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| 1 | | /* |
| 2 | | * Copyright (c) 2015 Andrew Kelley |
| 3 | | * |
| 4 | | * This file is part of zig, which is MIT licensed. |
| 5 | | * See http://opensource.org/licenses/MIT |
| 6 | | */ |
| 7 | | #include "all_types.hpp" |
| 8 | | #include "analyze.hpp" |
| 9 | | #include "c_tokenizer.hpp" |
| 10 | | #include "error.hpp" |
| 11 | | #include "ir.hpp" |
| 12 | | #include "os.hpp" |
| 13 | | #include "translate_c.hpp" |
| 14 | | #include "parser.hpp" |
| 15 | | #include "zig_clang.h" |
| 16 | | |
| 17 | | #include <string.h> |
| 18 | | |
| 19 | | struct Alias { |
| 20 | | Buf *new_name; |
| 21 | | Buf *canon_name; |
| 22 | | }; |
| 23 | | |
| 24 | | enum TransScopeId { |
| 25 | | TransScopeIdSwitch, |
| 26 | | TransScopeIdVar, |
| 27 | | TransScopeIdBlock, |
| 28 | | TransScopeIdRoot, |
| 29 | | TransScopeIdWhile, |
| 30 | | }; |
| 31 | | |
| 32 | | struct TransScope { |
| 33 | | TransScopeId id; |
| 34 | | TransScope *parent; |
| 35 | | }; |
| 36 | | |
| 37 | | struct TransScopeSwitch { |
| 38 | | TransScope base; |
| 39 | | AstNode *switch_node; |
| 40 | | uint32_t case_index; |
| 41 | | bool found_default; |
| 42 | | Buf *end_label_name; |
| 43 | | }; |
| 44 | | |
| 45 | | struct TransScopeVar { |
| 46 | | TransScope base; |
| 47 | | Buf *c_name; |
| 48 | | Buf *zig_name; |
| 49 | | }; |
| 50 | | |
| 51 | | struct TransScopeBlock { |
| 52 | | TransScope base; |
| 53 | | AstNode *node; |
| 54 | | }; |
| 55 | | |
| 56 | | struct TransScopeRoot { |
| 57 | | TransScope base; |
| 58 | | }; |
| 59 | | |
| 60 | | struct TransScopeWhile { |
| 61 | | TransScope base; |
| 62 | | AstNode *node; |
| 63 | | }; |
| 64 | | |
| 65 | | struct Context { |
| 66 | | AstNode *root; |
| 67 | | bool want_export; |
| 68 | | HashMap<const void *, AstNode *, ptr_hash, ptr_eq> decl_table; |
| 69 | | HashMap<Buf *, AstNode *, buf_hash, buf_eql_buf> macro_table; |
| 70 | | HashMap<Buf *, AstNode *, buf_hash, buf_eql_buf> global_table; |
| 71 | | ZigClangSourceManager *source_manager; |
| 72 | | ZigList<Alias> aliases; |
| 73 | | bool warnings_on; |
| 74 | | |
| 75 | | CodeGen *codegen; |
| 76 | | ZigClangASTContext *ctx; |
| 77 | | |
| 78 | | TransScopeRoot *global_scope; |
| 79 | | HashMap<Buf *, bool, buf_hash, buf_eql_buf> ptr_params; |
| 80 | | }; |
| 81 | | |
| 82 | | enum ResultUsed { |
| 83 | | ResultUsedNo, |
| 84 | | ResultUsedYes, |
| 85 | | }; |
| 86 | | |
| 87 | | enum TransLRValue { |
| 88 | | TransLValue, |
| 89 | | TransRValue, |
| 90 | | }; |
| 91 | | |
| 92 | | static TransScopeRoot *trans_scope_root_create(Context *c); |
| 93 | | static TransScopeWhile *trans_scope_while_create(Context *c, TransScope *parent_scope); |
| 94 | | static TransScopeBlock *trans_scope_block_create(Context *c, TransScope *parent_scope); |
| 95 | | static TransScopeVar *trans_scope_var_create(Context *c, TransScope *parent_scope, Buf *wanted_name); |
| 96 | | static TransScopeSwitch *trans_scope_switch_create(Context *c, TransScope *parent_scope); |
| 97 | | |
| 98 | | static TransScopeBlock *trans_scope_block_find(TransScope *scope); |
| 99 | | |
| 100 | | static AstNode *resolve_record_decl(Context *c, const ZigClangRecordDecl *record_decl); |
| 101 | | static AstNode *resolve_enum_decl(Context *c, const ZigClangEnumDecl *enum_decl); |
| 102 | | static AstNode *resolve_typedef_decl(Context *c, const ZigClangTypedefNameDecl *typedef_decl); |
| 103 | | |
| 104 | | static int trans_stmt_extra(Context *c, TransScope *scope, const ZigClangStmt *stmt, |
| 105 | | ResultUsed result_used, TransLRValue lrval, |
| 106 | | AstNode **out_node, TransScope **out_child_scope, |
| 107 | | TransScope **out_node_scope); |
| 108 | | static TransScope *trans_stmt(Context *c, TransScope *scope, const ZigClangStmt *stmt, AstNode **out_node); |
| 109 | | static AstNode *trans_expr(Context *c, ResultUsed result_used, TransScope *scope, const ZigClangExpr *expr, TransLRValue lrval); |
| 110 | | static AstNode *trans_type(Context *c, const ZigClangType *ty, ZigClangSourceLocation source_loc); |
| 111 | | static AstNode *trans_qual_type(Context *c, ZigClangQualType qt, ZigClangSourceLocation source_loc); |
| 112 | | static AstNode *trans_bool_expr(Context *c, ResultUsed result_used, TransScope *scope, |
| 113 | | const ZigClangExpr *expr, TransLRValue lrval); |
| 114 | | static AstNode *trans_ap_value(Context *c, const ZigClangAPValue *ap_value, ZigClangQualType qt, |
| 115 | | ZigClangSourceLocation source_loc); |
| 116 | | static bool c_is_unsigned_integer(Context *c, ZigClangQualType qt); |
| 117 | | |
| 118 | | |
| 119 | | ATTRIBUTE_PRINTF(3, 4) |
| 120 | | static void emit_warning(Context *c, ZigClangSourceLocation sl, const char *format, ...) { |
| 121 | | if (!c->warnings_on) { |
| 122 | | return; |
| 123 | | } |
| 124 | | |
| 125 | | va_list ap; |
| 126 | | va_start(ap, format); |
| 127 | | Buf *msg = buf_vprintf(format, ap); |
| 128 | | va_end(ap); |
| 129 | | |
| 130 | | const char *filename_bytes = ZigClangSourceManager_getFilename(c->source_manager, |
| 131 | | ZigClangSourceManager_getSpellingLoc(c->source_manager, sl)); |
| 132 | | Buf *path; |
| 133 | | if (filename_bytes) { |
| 134 | | path = buf_create_from_str(filename_bytes); |
| 135 | | } else { |
| 136 | | path = buf_sprintf("(no file)"); |
| 137 | | } |
| 138 | | unsigned line = ZigClangSourceManager_getSpellingLineNumber(c->source_manager, sl); |
| 139 | | unsigned column = ZigClangSourceManager_getSpellingColumnNumber(c->source_manager, sl); |
| 140 | | fprintf(stderr, "%s:%u:%u: warning: %s\n", buf_ptr(path), line, column, buf_ptr(msg)); |
| 141 | | } |
| 142 | | |
| 143 | | static void add_global_weak_alias(Context *c, Buf *new_name, Buf *canon_name) { |
| 144 | | Alias *alias = c->aliases.add_one(); |
| 145 | | alias->new_name = new_name; |
| 146 | | alias->canon_name = canon_name; |
| 147 | | } |
| 148 | | |
| 149 | | static Buf *trans_lookup_zig_symbol(Context *c, TransScope *scope, Buf *c_symbol_name) { |
| 150 | | while (scope != nullptr) { |
| 151 | | if (scope->id == TransScopeIdVar) { |
| 152 | | TransScopeVar *var_scope = (TransScopeVar *)scope; |
| 153 | | if (buf_eql_buf(var_scope->c_name, c_symbol_name)) { |
| 154 | | return var_scope->zig_name; |
| 155 | | } |
| 156 | | } |
| 157 | | scope = scope->parent; |
| 158 | | } |
| 159 | | return c_symbol_name; |
| 160 | | } |
| 161 | | |
| 162 | | static AstNode * trans_create_node(Context *c, NodeType id) { |
| 163 | | AstNode *node = allocate<AstNode>(1); |
| 164 | | node->type = id; |
| 165 | | // TODO line/column. mapping to C file?? |
| 166 | | return node; |
| 167 | | } |
| 168 | | |
| 169 | | static AstNode *trans_create_node_break(Context *c, Buf *label_name, AstNode *value_node) { |
| 170 | | AstNode *node = trans_create_node(c, NodeTypeBreak); |
| 171 | | node->data.break_expr.name = label_name; |
| 172 | | node->data.break_expr.expr = value_node; |
| 173 | | return node; |
| 174 | | } |
| 175 | | |
| 176 | | static AstNode *trans_create_node_return(Context *c, AstNode *value_node) { |
| 177 | | AstNode *node = trans_create_node(c, NodeTypeReturnExpr); |
| 178 | | node->data.return_expr.kind = ReturnKindUnconditional; |
| 179 | | node->data.return_expr.expr = value_node; |
| 180 | | return node; |
| 181 | | } |
| 182 | | |
| 183 | | static AstNode *trans_create_node_if(Context *c, AstNode *cond_node, AstNode *then_node, AstNode *else_node) { |
| 184 | | AstNode *node = trans_create_node(c, NodeTypeIfBoolExpr); |
| 185 | | node->data.if_bool_expr.condition = cond_node; |
| 186 | | node->data.if_bool_expr.then_block = then_node; |
| 187 | | node->data.if_bool_expr.else_node = else_node; |
| 188 | | return node; |
| 189 | | } |
| 190 | | |
| 191 | | static AstNode *trans_create_node_float_lit(Context *c, double value) { |
| 192 | | AstNode *node = trans_create_node(c, NodeTypeFloatLiteral); |
| 193 | | node->data.float_literal.bigfloat = allocate<BigFloat>(1); |
| 194 | | bigfloat_init_64(node->data.float_literal.bigfloat, value); |
| 195 | | return node; |
| 196 | | } |
| 197 | | |
| 198 | | static AstNode *trans_create_node_symbol(Context *c, Buf *name) { |
| 199 | | AstNode *node = trans_create_node(c, NodeTypeSymbol); |
| 200 | | node->data.symbol_expr.symbol = name; |
| 201 | | return node; |
| 202 | | } |
| 203 | | |
| 204 | | static AstNode *trans_create_node_symbol_str(Context *c, const char *name) { |
| 205 | | return trans_create_node_symbol(c, buf_create_from_str(name)); |
| 206 | | } |
| 207 | | |
| 208 | | static AstNode *trans_create_node_builtin_fn_call(Context *c, Buf *name) { |
| 209 | | AstNode *node = trans_create_node(c, NodeTypeFnCallExpr); |
| 210 | | node->data.fn_call_expr.fn_ref_expr = trans_create_node_symbol(c, name); |
| 211 | | node->data.fn_call_expr.modifier = CallModifierBuiltin; |
| 212 | | return node; |
| 213 | | } |
| 214 | | |
| 215 | | static AstNode *trans_create_node_builtin_fn_call_str(Context *c, const char *name) { |
| 216 | | return trans_create_node_builtin_fn_call(c, buf_create_from_str(name)); |
| 217 | | } |
| 218 | | |
| 219 | | static AstNode *trans_create_node_opaque(Context *c) { |
| 220 | | return trans_create_node_builtin_fn_call_str(c, "OpaqueType"); |
| 221 | | } |
| 222 | | |
| 223 | | static AstNode *trans_create_node_cast(Context *c, AstNode *dest_type, AstNode *operand) { |
| 224 | | AstNode *node = trans_create_node(c, NodeTypeFnCallExpr); |
| 225 | | node->data.fn_call_expr.fn_ref_expr = trans_create_node_symbol(c, buf_create_from_str("as")); |
| 226 | | node->data.fn_call_expr.modifier = CallModifierBuiltin; |
| 227 | | node->data.fn_call_expr.params.append(dest_type); |
| 228 | | node->data.fn_call_expr.params.append(operand); |
| 229 | | return node; |
| 230 | | } |
| 231 | | |
| 232 | | static AstNode *trans_create_node_fn_call_1(Context *c, AstNode *fn_ref_expr, AstNode *arg1) { |
| 233 | | AstNode *node = trans_create_node(c, NodeTypeFnCallExpr); |
| 234 | | node->data.fn_call_expr.fn_ref_expr = fn_ref_expr; |
| 235 | | node->data.fn_call_expr.params.append(arg1); |
| 236 | | return node; |
| 237 | | } |
| 238 | | |
| 239 | | static AstNode *trans_create_node_field_access(Context *c, AstNode *container, Buf *field_name) { |
| 240 | | AstNode *node = trans_create_node(c, NodeTypeFieldAccessExpr); |
| 241 | | if (container->type == NodeTypeSymbol) { |
| 242 | | assert(container->data.symbol_expr.symbol != nullptr); |
| 243 | | } |
| 244 | | node->data.field_access_expr.struct_expr = container; |
| 245 | | node->data.field_access_expr.field_name = field_name; |
| 246 | | return node; |
| 247 | | } |
| 248 | | |
| 249 | | static AstNode *trans_create_node_field_access_str(Context *c, AstNode *container, const char *field_name) { |
| 250 | | return trans_create_node_field_access(c, container, buf_create_from_str(field_name)); |
| 251 | | } |
| 252 | | |
| 253 | | static AstNode *trans_create_node_ptr_deref(Context *c, AstNode *child_node) { |
| 254 | | AstNode *node = trans_create_node(c, NodeTypePtrDeref); |
| 255 | | node->data.ptr_deref_expr.target = child_node; |
| 256 | | return node; |
| 257 | | } |
| 258 | | |
| 259 | | static AstNode *trans_create_node_prefix_op(Context *c, PrefixOp op, AstNode *child_node) { |
| 260 | | AstNode *node = trans_create_node(c, NodeTypePrefixOpExpr); |
| 261 | | node->data.prefix_op_expr.prefix_op = op; |
| 262 | | node->data.prefix_op_expr.primary_expr = child_node; |
| 263 | | return node; |
| 264 | | } |
| 265 | | |
| 266 | | static AstNode *trans_create_node_unwrap_null(Context *c, AstNode *child_node) { |
| 267 | | AstNode *node = trans_create_node(c, NodeTypeUnwrapOptional); |
| 268 | | node->data.unwrap_optional.expr = child_node; |
| 269 | | return node; |
| 270 | | } |
| 271 | | |
| 272 | | static AstNode *trans_create_node_bin_op(Context *c, AstNode *lhs_node, BinOpType op, AstNode *rhs_node) { |
| 273 | | AstNode *node = trans_create_node(c, NodeTypeBinOpExpr); |
| 274 | | node->data.bin_op_expr.op1 = lhs_node; |
| 275 | | node->data.bin_op_expr.bin_op = op; |
| 276 | | node->data.bin_op_expr.op2 = rhs_node; |
| 277 | | return node; |
| 278 | | } |
| 279 | | |
| 280 | | static AstNode *maybe_suppress_result(Context *c, ResultUsed result_used, AstNode *node) { |
| 281 | | if (result_used == ResultUsedYes) return node; |
| 282 | | return trans_create_node_bin_op(c, |
| 283 | | trans_create_node_symbol_str(c, "_"), |
| 284 | | BinOpTypeAssign, |
| 285 | | node); |
| 286 | | } |
| 287 | | |
| 288 | | static TokenId ptr_len_to_token_id(PtrLen ptr_len) { |
| 289 | | switch (ptr_len) { |
| 290 | | case PtrLenSingle: |
| 291 | | return TokenIdStar; |
| 292 | | case PtrLenUnknown: |
| 293 | | return TokenIdLBracket; |
| 294 | | case PtrLenC: |
| 295 | | return TokenIdSymbol; |
| 296 | | } |
| 297 | | zig_unreachable(); |
| 298 | | } |
| 299 | | |
| 300 | | static AstNode *trans_create_node_ptr_type(Context *c, bool is_const, bool is_volatile, AstNode *child_node, PtrLen ptr_len) { |
| 301 | | AstNode *node = trans_create_node(c, NodeTypePointerType); |
| 302 | | node->data.pointer_type.star_token = allocate<ZigToken>(1); |
| 303 | | node->data.pointer_type.star_token->id = ptr_len_to_token_id(ptr_len); |
| 304 | | node->data.pointer_type.is_const = is_const; |
| 305 | | node->data.pointer_type.is_volatile = is_volatile; |
| 306 | | node->data.pointer_type.op_expr = child_node; |
| 307 | | return node; |
| 308 | | } |
| 309 | | |
| 310 | | static AstNode *trans_create_node_addr_of(Context *c, AstNode *child_node) { |
| 311 | | AstNode *node = trans_create_node(c, NodeTypePrefixOpExpr); |
| 312 | | node->data.prefix_op_expr.prefix_op = PrefixOpAddrOf; |
| 313 | | node->data.prefix_op_expr.primary_expr = child_node; |
| 314 | | return node; |
| 315 | | } |
| 316 | | |
| 317 | | static AstNode *trans_create_node_bool(Context *c, bool value) { |
| 318 | | AstNode *bool_node = trans_create_node(c, NodeTypeBoolLiteral); |
| 319 | | bool_node->data.bool_literal.value = value; |
| 320 | | return bool_node; |
| 321 | | } |
| 322 | | |
| 323 | | static AstNode *trans_create_node_str_lit(Context *c, Buf *buf) { |
| 324 | | AstNode *node = trans_create_node(c, NodeTypeStringLiteral); |
| 325 | | node->data.string_literal.buf = buf; |
| 326 | | return node; |
| 327 | | } |
| 328 | | |
| 329 | | static AstNode *trans_create_node_unsigned_negative(Context *c, uint64_t x, bool is_negative) { |
| 330 | | AstNode *node = trans_create_node(c, NodeTypeIntLiteral); |
| 331 | | node->data.int_literal.bigint = allocate<BigInt>(1); |
| 332 | | bigint_init_data(node->data.int_literal.bigint, &x, 1, is_negative); |
| 333 | | return node; |
| 334 | | } |
| 335 | | |
| 336 | | static AstNode *trans_create_node_unsigned(Context *c, uint64_t x) { |
| 337 | | return trans_create_node_unsigned_negative(c, x, false); |
| 338 | | } |
| 339 | | |
| 340 | | static AstNode *trans_create_node_unsigned_negative_type(Context *c, uint64_t x, bool is_negative, |
| 341 | | const char *type_name) |
| 342 | | { |
| 343 | | AstNode *lit_node = trans_create_node_unsigned_negative(c, x, is_negative); |
| 344 | | return trans_create_node_cast(c, trans_create_node_symbol_str(c, type_name), lit_node); |
| 345 | | } |
| 346 | | |
| 347 | | static AstNode *trans_create_node_array_type(Context *c, AstNode *size_node, AstNode *child_type_node) { |
| 348 | | AstNode *node = trans_create_node(c, NodeTypeArrayType); |
| 349 | | node->data.array_type.size = size_node; |
| 350 | | node->data.array_type.child_type = child_type_node; |
| 351 | | return node; |
| 352 | | } |
| 353 | | |
| 354 | | static AstNode *trans_create_node_var_decl(Context *c, VisibMod visib_mod, bool is_const, Buf *var_name, |
| 355 | | AstNode *type_node, AstNode *init_node) |
| 356 | | { |
| 357 | | AstNode *node = trans_create_node(c, NodeTypeVariableDeclaration); |
| 358 | | node->data.variable_declaration.visib_mod = visib_mod; |
| 359 | | node->data.variable_declaration.symbol = var_name; |
| 360 | | node->data.variable_declaration.is_const = is_const; |
| 361 | | node->data.variable_declaration.type = type_node; |
| 362 | | node->data.variable_declaration.expr = init_node; |
| 363 | | return node; |
| 364 | | } |
| 365 | | |
| 366 | | static AstNode *trans_create_node_var_decl_global(Context *c, bool is_const, Buf *var_name, AstNode *type_node, |
| 367 | | AstNode *init_node) |
| 368 | | { |
| 369 | | return trans_create_node_var_decl(c, VisibModPub, is_const, var_name, type_node, init_node); |
| 370 | | } |
| 371 | | |
| 372 | | static AstNode *trans_create_node_var_decl_local(Context *c, bool is_const, Buf *var_name, AstNode *type_node, |
| 373 | | AstNode *init_node) |
| 374 | | { |
| 375 | | return trans_create_node_var_decl(c, VisibModPrivate, is_const, var_name, type_node, init_node); |
| 376 | | } |
| 377 | | |
| 378 | | static AstNode *trans_create_node_inline_fn(Context *c, Buf *fn_name, AstNode *ref_node, AstNode *src_proto_node) { |
| 379 | | AstNode *fn_def = trans_create_node(c, NodeTypeFnDef); |
| 380 | | AstNode *fn_proto = trans_create_node(c, NodeTypeFnProto); |
| 381 | | fn_proto->data.fn_proto.visib_mod = VisibModPub; |
| 382 | | fn_proto->data.fn_proto.name = fn_name; |
| 383 | | fn_proto->data.fn_proto.fn_inline = FnInlineAlways; |
| 384 | | fn_proto->data.fn_proto.return_type = src_proto_node->data.fn_proto.return_type; // TODO ok for these to alias? |
| 385 | | |
| 386 | | fn_def->data.fn_def.fn_proto = fn_proto; |
| 387 | | fn_proto->data.fn_proto.fn_def_node = fn_def; |
| 388 | | |
| 389 | | AstNode *unwrap_node = trans_create_node_unwrap_null(c, ref_node); |
| 390 | | AstNode *fn_call_node = trans_create_node(c, NodeTypeFnCallExpr); |
| 391 | | fn_call_node->data.fn_call_expr.fn_ref_expr = unwrap_node; |
| 392 | | |
| 393 | | for (size_t i = 0; i < src_proto_node->data.fn_proto.params.length; i += 1) { |
| 394 | | AstNode *src_param_node = src_proto_node->data.fn_proto.params.at(i); |
| 395 | | Buf *param_name = src_param_node->data.param_decl.name; |
| 396 | | if (!param_name) param_name = buf_sprintf("arg%" ZIG_PRI_usize "", i); |
| 397 | | |
| 398 | | AstNode *dest_param_node = trans_create_node(c, NodeTypeParamDecl); |
| 399 | | dest_param_node->data.param_decl.name = param_name; |
| 400 | | dest_param_node->data.param_decl.type = src_param_node->data.param_decl.type; |
| 401 | | dest_param_node->data.param_decl.is_noalias = src_param_node->data.param_decl.is_noalias; |
| 402 | | fn_proto->data.fn_proto.params.append(dest_param_node); |
| 403 | | |
| 404 | | fn_call_node->data.fn_call_expr.params.append(trans_create_node_symbol(c, param_name)); |
| 405 | | |
| 406 | | } |
| 407 | | |
| 408 | | AstNode *block = trans_create_node(c, NodeTypeBlock); |
| 409 | | block->data.block.statements.resize(1); |
| 410 | | block->data.block.statements.items[0] = trans_create_node_return(c, fn_call_node); |
| 411 | | |
| 412 | | fn_def->data.fn_def.body = block; |
| 413 | | return fn_def; |
| 414 | | } |
| 415 | | |
| 416 | | static AstNode *trans_create_node_grouped_expr(Context *c, AstNode *child) { |
| 417 | | AstNode *node = trans_create_node(c, NodeTypeGroupedExpr); |
| 418 | | node->data.grouped_expr = child; |
| 419 | | return node; |
| 420 | | } |
| 421 | | |
| 422 | | static AstNode *get_global(Context *c, Buf *name) { |
| 423 | | { |
| 424 | | auto entry = c->global_table.maybe_get(name); |
| 425 | | if (entry) { |
| 426 | | return entry->value; |
| 427 | | } |
| 428 | | } |
| 429 | | { |
| 430 | | auto entry = c->macro_table.maybe_get(name); |
| 431 | | if (entry) |
| 432 | | return entry->value; |
| 433 | | } |
| 434 | | ZigType *type; |
| 435 | | if (get_primitive_type(c->codegen, name, &type) != ErrorPrimitiveTypeNotFound) { |
| 436 | | return trans_create_node_symbol(c, name); |
| 437 | | } |
| 438 | | return nullptr; |
| 439 | | } |
| 440 | | |
| 441 | | static void add_top_level_decl(Context *c, Buf *name, AstNode *node) { |
| 442 | | c->global_table.put(name, node); |
| 443 | | c->root->data.container_decl.decls.append(node); |
| 444 | | } |
| 445 | | |
| 446 | | static AstNode *add_global_var(Context *c, Buf *var_name, AstNode *value_node) { |
| 447 | | bool is_const = true; |
| 448 | | AstNode *type_node = nullptr; |
| 449 | | AstNode *node = trans_create_node_var_decl_global(c, is_const, var_name, type_node, value_node); |
| 450 | | add_top_level_decl(c, var_name, node); |
| 451 | | return node; |
| 452 | | } |
| 453 | | |
| 454 | | static AstNode *trans_create_node_apint(Context *c, const ZigClangAPSInt *aps_int) { |
| 455 | | AstNode *node = trans_create_node(c, NodeTypeIntLiteral); |
| 456 | | node->data.int_literal.bigint = allocate<BigInt>(1); |
| 457 | | bool is_negative = ZigClangAPSInt_isSigned(aps_int) && ZigClangAPSInt_isNegative(aps_int); |
| 458 | | if (!is_negative) { |
| 459 | | bigint_init_data(node->data.int_literal.bigint, |
| 460 | | ZigClangAPSInt_getRawData(aps_int), |
| 461 | | ZigClangAPSInt_getNumWords(aps_int), |
| 462 | | false); |
| 463 | | return node; |
| 464 | | } |
| 465 | | const ZigClangAPSInt *negated = ZigClangAPSInt_negate(aps_int); |
| 466 | | bigint_init_data(node->data.int_literal.bigint, ZigClangAPSInt_getRawData(negated), |
| 467 | | ZigClangAPSInt_getNumWords(negated), true); |
| 468 | | ZigClangAPSInt_free(negated); |
| 469 | | return node; |
| 470 | | } |
| 471 | | |
| 472 | | static AstNode *trans_create_node_apfloat(Context *c, const ZigClangAPFloat *ap_float) { |
| 473 | | uint8_t buf[128]; |
| 474 | | size_t written = ZigClangAPFloat_convertToHexString(ap_float, (char *)buf, 0, false, |
| 475 | | ZigClangAPFloat_roundingMode_NearestTiesToEven); |
| 476 | | AstNode *node = trans_create_node(c, NodeTypeFloatLiteral); |
| 477 | | node->data.float_literal.bigfloat = allocate<BigFloat>(1); |
| 478 | | if (bigfloat_init_buf(node->data.float_literal.bigfloat, buf, written)) { |
| 479 | | node->data.float_literal.overflow = true; |
| 480 | | } |
| 481 | | return node; |
| 482 | | } |
| 483 | | |
| 484 | | static const ZigClangType *qual_type_canon(ZigClangQualType qt) { |
| 485 | | ZigClangQualType canon = ZigClangQualType_getCanonicalType(qt); |
| 486 | | return ZigClangQualType_getTypePtr(canon); |
| 487 | | } |
| 488 | | |
| 489 | | static ZigClangQualType get_expr_qual_type(Context *c, const ZigClangExpr *expr) { |
| 490 | | // String literals in C are `char *` but they should really be `const char *`. |
| 491 | | if (ZigClangExpr_getStmtClass(expr) == ZigClangStmt_ImplicitCastExprClass) { |
| 492 | | const ZigClangImplicitCastExpr *cast_expr = reinterpret_cast<const ZigClangImplicitCastExpr *>(expr); |
| 493 | | if (ZigClangImplicitCastExpr_getCastKind(cast_expr) == ZigClangCK_ArrayToPointerDecay) { |
| 494 | | const ZigClangExpr *sub_expr = ZigClangImplicitCastExpr_getSubExpr(cast_expr); |
| 495 | | if (ZigClangExpr_getStmtClass(sub_expr) == ZigClangStmt_StringLiteralClass) { |
| 496 | | ZigClangQualType array_qt = ZigClangExpr_getType(sub_expr); |
| 497 | | const ZigClangArrayType *array_type = reinterpret_cast<const ZigClangArrayType *>( |
| 498 | | ZigClangQualType_getTypePtr(array_qt)); |
| 499 | | ZigClangQualType pointee_qt = ZigClangArrayType_getElementType(array_type); |
| 500 | | ZigClangQualType_addConst(&pointee_qt); |
| 501 | | return ZigClangASTContext_getPointerType(c->ctx, pointee_qt); |
| 502 | | } |
| 503 | | } |
| 504 | | } |
| 505 | | return ZigClangExpr_getType(expr); |
| 506 | | } |
| 507 | | |
| 508 | | static ZigClangQualType get_expr_qual_type_before_implicit_cast(Context *c, const ZigClangExpr *expr) { |
| 509 | | if (ZigClangExpr_getStmtClass(expr) == ZigClangStmt_ImplicitCastExprClass) { |
| 510 | | const ZigClangImplicitCastExpr *cast_expr = reinterpret_cast<const ZigClangImplicitCastExpr *>(expr); |
| 511 | | return get_expr_qual_type(c, ZigClangImplicitCastExpr_getSubExpr(cast_expr)); |
| 512 | | } |
| 513 | | return ZigClangExpr_getType(expr); |
| 514 | | } |
| 515 | | |
| 516 | | static AstNode *get_expr_type(Context *c, const ZigClangExpr *expr) { |
| 517 | | return trans_qual_type(c, get_expr_qual_type(c, expr), ZigClangExpr_getBeginLoc(expr)); |
| 518 | | } |
| 519 | | |
| 520 | | static bool is_c_void_type(AstNode *node) { |
| 521 | | return (node->type == NodeTypeSymbol && buf_eql_str(node->data.symbol_expr.symbol, "c_void")); |
| 522 | | } |
| 523 | | |
| 524 | | static bool qual_type_is_ptr(ZigClangQualType qt) { |
| 525 | | const ZigClangType *ty = qual_type_canon(qt); |
| 526 | | return ZigClangType_getTypeClass(ty) == ZigClangType_Pointer; |
| 527 | | } |
| 528 | | |
| 529 | | static const ZigClangFunctionProtoType *qual_type_get_fn_proto(ZigClangQualType qt, bool *is_ptr) { |
| 530 | | const ZigClangType *ty = qual_type_canon(qt); |
| 531 | | *is_ptr = false; |
| 532 | | |
| 533 | | if (ZigClangType_getTypeClass(ty) == ZigClangType_Pointer) { |
| 534 | | *is_ptr = true; |
| 535 | | ZigClangQualType child_qt = ZigClangType_getPointeeType(ty); |
| 536 | | ty = ZigClangQualType_getTypePtr(child_qt); |
| 537 | | } |
| 538 | | |
| 539 | | if (ZigClangType_getTypeClass(ty) == ZigClangType_FunctionProto) { |
| 540 | | return reinterpret_cast<const ZigClangFunctionProtoType*>(ty); |
| 541 | | } |
| 542 | | |
| 543 | | return nullptr; |
| 544 | | } |
| 545 | | |
| 546 | | static bool qual_type_is_fn_ptr(ZigClangQualType qt) { |
| 547 | | bool is_ptr; |
| 548 | | if (qual_type_get_fn_proto(qt, &is_ptr)) { |
| 549 | | return is_ptr; |
| 550 | | } |
| 551 | | |
| 552 | | return false; |
| 553 | | } |
| 554 | | |
| 555 | | static uint32_t qual_type_int_bit_width(Context *c, const ZigClangQualType qt, ZigClangSourceLocation source_loc) { |
| 556 | | const ZigClangType *ty = ZigClangQualType_getTypePtr(qt); |
| 557 | | switch (ZigClangType_getTypeClass(ty)) { |
| 558 | | case ZigClangType_Builtin: |
| 559 | | { |
| 560 | | const ZigClangBuiltinType *builtin_ty = reinterpret_cast<const ZigClangBuiltinType*>(ty); |
| 561 | | switch (ZigClangBuiltinType_getKind(builtin_ty)) { |
| 562 | | case ZigClangBuiltinTypeChar_U: |
| 563 | | case ZigClangBuiltinTypeUChar: |
| 564 | | case ZigClangBuiltinTypeChar_S: |
| 565 | | case ZigClangBuiltinTypeSChar: |
| 566 | | return 8; |
| 567 | | case ZigClangBuiltinTypeUInt128: |
| 568 | | case ZigClangBuiltinTypeInt128: |
| 569 | | return 128; |
| 570 | | default: |
| 571 | | return 0; |
| 572 | | } |
| 573 | | zig_unreachable(); |
| 574 | | } |
| 575 | | case ZigClangType_Typedef: |
| 576 | | { |
| 577 | | const ZigClangTypedefType *typedef_ty = reinterpret_cast<const ZigClangTypedefType*>(ty); |
| 578 | | const ZigClangTypedefNameDecl *typedef_decl = ZigClangTypedefType_getDecl(typedef_ty); |
| 579 | | const char *type_name = ZigClangDecl_getName_bytes_begin((const ZigClangDecl *)typedef_decl); |
| 580 | | if (strcmp(type_name, "uint8_t") == 0 || strcmp(type_name, "int8_t") == 0) { |
| 581 | | return 8; |
| 582 | | } else if (strcmp(type_name, "uint16_t") == 0 || strcmp(type_name, "int16_t") == 0) { |
| 583 | | return 16; |
| 584 | | } else if (strcmp(type_name, "uint32_t") == 0 || strcmp(type_name, "int32_t") == 0) { |
| 585 | | return 32; |
| 586 | | } else if (strcmp(type_name, "uint64_t") == 0 || strcmp(type_name, "int64_t") == 0) { |
| 587 | | return 64; |
| 588 | | } else { |
| 589 | | return 0; |
| 590 | | } |
| 591 | | } |
| 592 | | default: |
| 593 | | return 0; |
| 594 | | } |
| 595 | | zig_unreachable(); |
| 596 | | } |
| 597 | | |
| 598 | | |
| 599 | | static AstNode *qual_type_to_log2_int_ref(Context *c, const ZigClangQualType qt, |
| 600 | | ZigClangSourceLocation source_loc) |
| 601 | | { |
| 602 | | uint32_t int_bit_width = qual_type_int_bit_width(c, qt, source_loc); |
| 603 | | if (int_bit_width != 0) { |
| 604 | | // we can perform the log2 now. |
| 605 | | uint64_t cast_bit_width = log2_u64(int_bit_width); |
| 606 | | return trans_create_node_symbol(c, buf_sprintf("u%" ZIG_PRI_u64, cast_bit_width)); |
| 607 | | } |
| 608 | | |
| 609 | | AstNode *zig_type_node = trans_qual_type(c, qt, source_loc); |
| 610 | | |
| 611 | | // @import("std").math.Log2Int(c_long); |
| 612 | | // |
| 613 | | // FnCall |
| 614 | | // FieldAccess |
| 615 | | // FieldAccess |
| 616 | | // FnCall (.builtin = true) |
| 617 | | // Symbol "import" |
| 618 | | // ZigClangStringLiteral "std" |
| 619 | | // Symbol "math" |
| 620 | | // Symbol "Log2Int" |
| 621 | | // zig_type_node |
| 622 | | |
| 623 | | AstNode *import_fn_call = trans_create_node_builtin_fn_call_str(c, "import"); |
| 624 | | import_fn_call->data.fn_call_expr.params.append(trans_create_node_str_lit(c, buf_create_from_str("std"))); |
| 625 | | AstNode *inner_field_access = trans_create_node_field_access_str(c, import_fn_call, "math"); |
| 626 | | AstNode *outer_field_access = trans_create_node_field_access_str(c, inner_field_access, "Log2Int"); |
| 627 | | AstNode *log2int_fn_call = trans_create_node_fn_call_1(c, outer_field_access, zig_type_node); |
| 628 | | |
| 629 | | return log2int_fn_call; |
| 630 | | } |
| 631 | | |
| 632 | | static bool qual_type_child_is_fn_proto(ZigClangQualType qt) { |
| 633 | | const ZigClangType *ty = ZigClangQualType_getTypePtr(qt); |
| 634 | | if (ZigClangType_getTypeClass(ty) == ZigClangType_Paren) { |
| 635 | | const ZigClangParenType *paren_type = reinterpret_cast<const ZigClangParenType *>(ty); |
| 636 | | ZigClangQualType inner_type = ZigClangParenType_getInnerType(paren_type); |
| 637 | | if (ZigClangQualType_getTypeClass(inner_type) == ZigClangType_FunctionProto) { |
| 638 | | return true; |
| 639 | | } |
| 640 | | } else if (ZigClangType_getTypeClass(ty) == ZigClangType_Attributed) { |
| 641 | | const ZigClangAttributedType *attr_type = reinterpret_cast<const ZigClangAttributedType *>(ty); |
| 642 | | return qual_type_child_is_fn_proto(ZigClangAttributedType_getEquivalentType(attr_type)); |
| 643 | | } |
| 644 | | return false; |
| 645 | | } |
| 646 | | |
| 647 | | static AstNode* trans_c_ptr_cast(Context *c, ZigClangSourceLocation source_location, ZigClangQualType dest_type, |
| 648 | | ZigClangQualType src_type, AstNode *expr) |
| 649 | | { |
| 650 | | const ZigClangType *ty = ZigClangQualType_getTypePtr(dest_type); |
| 651 | | const ZigClangQualType child_type = ZigClangType_getPointeeType(ty); |
| 652 | | |
| 653 | | AstNode *dest_type_node = trans_type(c, ty, source_location); |
| 654 | | AstNode *child_type_node = trans_qual_type(c, child_type, source_location); |
| 655 | | |
| 656 | | // Implicit downcasting from higher to lower alignment values is forbidden, |
| 657 | | // use @alignCast to side-step this problem |
| 658 | | AstNode *ptrcast_node = trans_create_node_builtin_fn_call_str(c, "ptrCast"); |
| 659 | | ptrcast_node->data.fn_call_expr.params.append(dest_type_node); |
| 660 | | |
| 661 | | if (ZigClangType_isVoidType(qual_type_canon(child_type))) { |
| 662 | | // void has 1-byte alignment |
| 663 | | ptrcast_node->data.fn_call_expr.params.append(expr); |
| 664 | | } else { |
| 665 | | AstNode *alignof_node = trans_create_node_builtin_fn_call_str(c, "alignOf"); |
| 666 | | alignof_node->data.fn_call_expr.params.append(child_type_node); |
| 667 | | AstNode *aligncast_node = trans_create_node_builtin_fn_call_str(c, "alignCast"); |
| 668 | | aligncast_node->data.fn_call_expr.params.append(alignof_node); |
| 669 | | aligncast_node->data.fn_call_expr.params.append(expr); |
| 670 | | |
| 671 | | ptrcast_node->data.fn_call_expr.params.append(aligncast_node); |
| 672 | | } |
| 673 | | |
| 674 | | return ptrcast_node; |
| 675 | | } |
| 676 | | |
| 677 | | static AstNode* trans_c_cast(Context *c, ZigClangSourceLocation source_location, ZigClangQualType dest_type, |
| 678 | | ZigClangQualType src_type, AstNode *expr) |
| 679 | | { |
| 680 | | // The only way void pointer casts are valid C code, is if |
| 681 | | // the value of the expression is ignored. We therefore just |
| 682 | | // return the expr, and let the system that ignores values |
| 683 | | // translate this correctly. |
| 684 | | if (ZigClangType_isVoidType(qual_type_canon(dest_type))) { |
| 685 | | return expr; |
| 686 | | } |
| 687 | | if (ZigClangQualType_eq(dest_type, src_type)) { |
| 688 | | return expr; |
| 689 | | } |
| 690 | | if (qual_type_is_ptr(dest_type) && qual_type_is_ptr(src_type)) { |
| 691 | | return trans_c_ptr_cast(c, source_location, dest_type, src_type, expr); |
| 692 | | } |
| 693 | | if (c_is_unsigned_integer(c, dest_type) && qual_type_is_ptr(src_type)) { |
| 694 | | AstNode *addr_node = trans_create_node_builtin_fn_call_str(c, "ptrToInt"); |
| 695 | | addr_node->data.fn_call_expr.params.append(expr); |
| 696 | | return trans_create_node_cast(c, trans_qual_type(c, dest_type, source_location), addr_node); |
| 697 | | } |
| 698 | | if (c_is_unsigned_integer(c, src_type) && qual_type_is_ptr(dest_type)) { |
| 699 | | AstNode *ptr_node = trans_create_node_builtin_fn_call_str(c, "intToPtr"); |
| 700 | | ptr_node->data.fn_call_expr.params.append(trans_qual_type(c, dest_type, source_location)); |
| 701 | | ptr_node->data.fn_call_expr.params.append(expr); |
| 702 | | return ptr_node; |
| 703 | | } |
| 704 | | // TODO: maybe widen to increase size |
| 705 | | // TODO: maybe bitcast to change sign |
| 706 | | // TODO: maybe truncate to reduce size |
| 707 | | return trans_create_node_cast(c, trans_qual_type(c, dest_type, source_location), expr); |
| 708 | | } |
| 709 | | |
| 710 | | static bool c_is_signed_integer(Context *c, ZigClangQualType qt) { |
| 711 | | const ZigClangType *c_type = qual_type_canon(qt); |
| 712 | | if (ZigClangType_getTypeClass(c_type) != ZigClangType_Builtin) |
| 713 | | return false; |
| 714 | | const ZigClangBuiltinType *builtin_ty = reinterpret_cast<const ZigClangBuiltinType*>(c_type); |
| 715 | | switch (ZigClangBuiltinType_getKind(builtin_ty)) { |
| 716 | | case ZigClangBuiltinTypeSChar: |
| 717 | | case ZigClangBuiltinTypeShort: |
| 718 | | case ZigClangBuiltinTypeInt: |
| 719 | | case ZigClangBuiltinTypeLong: |
| 720 | | case ZigClangBuiltinTypeLongLong: |
| 721 | | case ZigClangBuiltinTypeInt128: |
| 722 | | case ZigClangBuiltinTypeWChar_S: |
| 723 | | return true; |
| 724 | | default: |
| 725 | | return false; |
| 726 | | } |
| 727 | | } |
| 728 | | |
| 729 | | static bool c_is_unsigned_integer(Context *c, ZigClangQualType qt) { |
| 730 | | const ZigClangType *c_type = qual_type_canon(qt); |
| 731 | | if (ZigClangType_getTypeClass(c_type) != ZigClangType_Builtin) |
| 732 | | return false; |
| 733 | | const ZigClangBuiltinType *builtin_ty = reinterpret_cast<const ZigClangBuiltinType*>(c_type); |
| 734 | | switch (ZigClangBuiltinType_getKind(builtin_ty)) { |
| 735 | | case ZigClangBuiltinTypeChar_U: |
| 736 | | case ZigClangBuiltinTypeUChar: |
| 737 | | case ZigClangBuiltinTypeChar_S: |
| 738 | | case ZigClangBuiltinTypeUShort: |
| 739 | | case ZigClangBuiltinTypeUInt: |
| 740 | | case ZigClangBuiltinTypeULong: |
| 741 | | case ZigClangBuiltinTypeULongLong: |
| 742 | | case ZigClangBuiltinTypeUInt128: |
| 743 | | case ZigClangBuiltinTypeWChar_U: |
| 744 | | return true; |
| 745 | | default: |
| 746 | | return false; |
| 747 | | } |
| 748 | | } |
| 749 | | |
| 750 | | static bool c_is_builtin_type(Context *c, ZigClangQualType qt, ZigClangBuiltinTypeKind kind) { |
| 751 | | const ZigClangType *c_type = qual_type_canon(qt); |
| 752 | | if (ZigClangType_getTypeClass(c_type) != ZigClangType_Builtin) |
| 753 | | return false; |
| 754 | | const ZigClangBuiltinType *builtin_ty = reinterpret_cast<const ZigClangBuiltinType*>(c_type); |
| 755 | | return ZigClangBuiltinType_getKind(builtin_ty) == kind; |
| 756 | | } |
| 757 | | |
| 758 | | static bool c_is_float(Context *c, ZigClangQualType qt) { |
| 759 | | const ZigClangType *c_type = ZigClangQualType_getTypePtr(qt); |
| 760 | | if (ZigClangType_getTypeClass(c_type) != ZigClangType_Builtin) |
| 761 | | return false; |
| 762 | | const ZigClangBuiltinType *builtin_ty = reinterpret_cast<const ZigClangBuiltinType*>(c_type); |
| 763 | | switch (ZigClangBuiltinType_getKind(builtin_ty)) { |
| 764 | | case ZigClangBuiltinTypeHalf: |
| 765 | | case ZigClangBuiltinTypeFloat: |
| 766 | | case ZigClangBuiltinTypeDouble: |
| 767 | | case ZigClangBuiltinTypeFloat128: |
| 768 | | case ZigClangBuiltinTypeLongDouble: |
| 769 | | return true; |
| 770 | | default: |
| 771 | | return false; |
| 772 | | } |
| 773 | | } |
| 774 | | |
| 775 | | static bool qual_type_has_wrapping_overflow(Context *c, ZigClangQualType qt) { |
| 776 | | if (c_is_signed_integer(c, qt) || c_is_float(c, qt)) { |
| 777 | | // float and signed integer overflow is undefined behavior. |
| 778 | | return false; |
| 779 | | } else { |
| 780 | | // unsigned integer overflow wraps around. |
| 781 | | return true; |
| 782 | | } |
| 783 | | } |
| 784 | | |
| 785 | | static bool type_is_function(Context *c, const ZigClangType *ty, ZigClangSourceLocation source_loc) { |
| 786 | | switch (ZigClangType_getTypeClass(ty)) { |
| 787 | | case ZigClangType_FunctionProto: |
| 788 | | case ZigClangType_FunctionNoProto: |
| 789 | | return true; |
| 790 | | case ZigClangType_Elaborated: { |
| 791 | | const ZigClangElaboratedType *elaborated_ty = reinterpret_cast<const ZigClangElaboratedType*>(ty); |
| 792 | | ZigClangQualType qt = ZigClangElaboratedType_getNamedType(elaborated_ty); |
| 793 | | return type_is_function(c, ZigClangQualType_getTypePtr(qt), source_loc); |
| 794 | | } |
| 795 | | case ZigClangType_Typedef: { |
| 796 | | const ZigClangTypedefType *typedef_ty = reinterpret_cast<const ZigClangTypedefType*>(ty); |
| 797 | | const ZigClangTypedefNameDecl *typedef_decl = ZigClangTypedefType_getDecl(typedef_ty); |
| 798 | | ZigClangQualType underlying_type = ZigClangTypedefNameDecl_getUnderlyingType(typedef_decl); |
| 799 | | return type_is_function(c, ZigClangQualType_getTypePtr(underlying_type), source_loc); |
| 800 | | } |
| 801 | | default: |
| 802 | | return false; |
| 803 | | } |
| 804 | | } |
| 805 | | |
| 806 | | static bool type_is_opaque(Context *c, const ZigClangType *ty, ZigClangSourceLocation source_loc) { |
| 807 | | switch (ZigClangType_getTypeClass(ty)) { |
| 808 | | case ZigClangType_Builtin: { |
| 809 | | const ZigClangBuiltinType *builtin_ty = reinterpret_cast<const ZigClangBuiltinType*>(ty); |
| 810 | | return ZigClangBuiltinType_getKind(builtin_ty) == ZigClangBuiltinTypeVoid; |
| 811 | | } |
| 812 | | case ZigClangType_Record: { |
| 813 | | const ZigClangRecordType *record_ty = reinterpret_cast<const ZigClangRecordType*>(ty); |
| 814 | | const ZigClangRecordDecl *record_decl = ZigClangRecordType_getDecl(record_ty); |
| 815 | | const ZigClangRecordDecl *record_def = ZigClangRecordDecl_getDefinition(record_decl); |
| 816 | | if (record_def == nullptr) { |
| 817 | | return true; |
| 818 | | } |
| 819 | | for (ZigClangRecordDecl_field_iterator it = ZigClangRecordDecl_field_begin(record_def), |
| 820 | | it_end = ZigClangRecordDecl_field_end(record_def); |
| 821 | | ZigClangRecordDecl_field_iterator_neq(it, it_end); |
| 822 | | it = ZigClangRecordDecl_field_iterator_next(it)) |
| 823 | | { |
| 824 | | const ZigClangFieldDecl *field_decl = ZigClangRecordDecl_field_iterator_deref(it); |
| 825 | | |
| 826 | | if (ZigClangFieldDecl_isBitField(field_decl)) { |
| 827 | | return true; |
| 828 | | } |
| 829 | | } |
| 830 | | return false; |
| 831 | | } |
| 832 | | case ZigClangType_Elaborated: { |
| 833 | | const ZigClangElaboratedType *elaborated_ty = reinterpret_cast<const ZigClangElaboratedType*>(ty); |
| 834 | | ZigClangQualType qt = ZigClangElaboratedType_getNamedType(elaborated_ty); |
| 835 | | return type_is_opaque(c, ZigClangQualType_getTypePtr(qt), source_loc); |
| 836 | | } |
| 837 | | case ZigClangType_Typedef: { |
| 838 | | const ZigClangTypedefType *typedef_ty = reinterpret_cast<const ZigClangTypedefType*>(ty); |
| 839 | | const ZigClangTypedefNameDecl *typedef_decl = ZigClangTypedefType_getDecl(typedef_ty); |
| 840 | | ZigClangQualType underlying_type = ZigClangTypedefNameDecl_getUnderlyingType(typedef_decl); |
| 841 | | return type_is_opaque(c, ZigClangQualType_getTypePtr(underlying_type), source_loc); |
| 842 | | } |
| 843 | | default: |
| 844 | | return false; |
| 845 | | } |
| 846 | | } |
| 847 | | |
| 848 | | static AstNode *trans_type(Context *c, const ZigClangType *ty, ZigClangSourceLocation source_loc) { |
| 849 | | switch (ZigClangType_getTypeClass(ty)) { |
| 850 | | case ZigClangType_Builtin: |
| 851 | | { |
| 852 | | const ZigClangBuiltinType *builtin_ty = reinterpret_cast<const ZigClangBuiltinType *>(ty); |
| 853 | | switch (ZigClangBuiltinType_getKind(builtin_ty)) { |
| 854 | | case ZigClangBuiltinTypeVoid: |
| 855 | | return trans_create_node_symbol_str(c, "c_void"); |
| 856 | | case ZigClangBuiltinTypeBool: |
| 857 | | return trans_create_node_symbol_str(c, "bool"); |
| 858 | | case ZigClangBuiltinTypeChar_U: |
| 859 | | case ZigClangBuiltinTypeUChar: |
| 860 | | case ZigClangBuiltinTypeChar_S: |
| 861 | | case ZigClangBuiltinTypeChar8: |
| 862 | | return trans_create_node_symbol_str(c, "u8"); |
| 863 | | case ZigClangBuiltinTypeSChar: |
| 864 | | return trans_create_node_symbol_str(c, "i8"); |
| 865 | | case ZigClangBuiltinTypeUShort: |
| 866 | | return trans_create_node_symbol_str(c, "c_ushort"); |
| 867 | | case ZigClangBuiltinTypeUInt: |
| 868 | | return trans_create_node_symbol_str(c, "c_uint"); |
| 869 | | case ZigClangBuiltinTypeULong: |
| 870 | | return trans_create_node_symbol_str(c, "c_ulong"); |
| 871 | | case ZigClangBuiltinTypeULongLong: |
| 872 | | return trans_create_node_symbol_str(c, "c_ulonglong"); |
| 873 | | case ZigClangBuiltinTypeShort: |
| 874 | | return trans_create_node_symbol_str(c, "c_short"); |
| 875 | | case ZigClangBuiltinTypeInt: |
| 876 | | return trans_create_node_symbol_str(c, "c_int"); |
| 877 | | case ZigClangBuiltinTypeLong: |
| 878 | | return trans_create_node_symbol_str(c, "c_long"); |
| 879 | | case ZigClangBuiltinTypeLongLong: |
| 880 | | return trans_create_node_symbol_str(c, "c_longlong"); |
| 881 | | case ZigClangBuiltinTypeUInt128: |
| 882 | | return trans_create_node_symbol_str(c, "u128"); |
| 883 | | case ZigClangBuiltinTypeInt128: |
| 884 | | return trans_create_node_symbol_str(c, "i128"); |
| 885 | | case ZigClangBuiltinTypeFloat: |
| 886 | | return trans_create_node_symbol_str(c, "f32"); |
| 887 | | case ZigClangBuiltinTypeDouble: |
| 888 | | return trans_create_node_symbol_str(c, "f64"); |
| 889 | | case ZigClangBuiltinTypeFloat128: |
| 890 | | return trans_create_node_symbol_str(c, "f128"); |
| 891 | | case ZigClangBuiltinTypeFloat16: |
| 892 | | return trans_create_node_symbol_str(c, "f16"); |
| 893 | | case ZigClangBuiltinTypeLongDouble: |
| 894 | | return trans_create_node_symbol_str(c, "c_longdouble"); |
| 895 | | case ZigClangBuiltinTypeWChar_U: |
| 896 | | case ZigClangBuiltinTypeChar16: |
| 897 | | case ZigClangBuiltinTypeChar32: |
| 898 | | case ZigClangBuiltinTypeWChar_S: |
| 899 | | case ZigClangBuiltinTypeHalf: |
| 900 | | case ZigClangBuiltinTypeNullPtr: |
| 901 | | case ZigClangBuiltinTypeObjCId: |
| 902 | | case ZigClangBuiltinTypeObjCClass: |
| 903 | | case ZigClangBuiltinTypeObjCSel: |
| 904 | | case ZigClangBuiltinTypeOMPArraySection: |
| 905 | | case ZigClangBuiltinTypeDependent: |
| 906 | | case ZigClangBuiltinTypeOverload: |
| 907 | | case ZigClangBuiltinTypeBoundMember: |
| 908 | | case ZigClangBuiltinTypePseudoObject: |
| 909 | | case ZigClangBuiltinTypeUnknownAny: |
| 910 | | case ZigClangBuiltinTypeBuiltinFn: |
| 911 | | case ZigClangBuiltinTypeARCUnbridgedCast: |
| 912 | | case ZigClangBuiltinTypeShortAccum: |
| 913 | | case ZigClangBuiltinTypeAccum: |
| 914 | | case ZigClangBuiltinTypeLongAccum: |
| 915 | | case ZigClangBuiltinTypeUShortAccum: |
| 916 | | case ZigClangBuiltinTypeUAccum: |
| 917 | | case ZigClangBuiltinTypeULongAccum: |
| 918 | | |
| 919 | | case ZigClangBuiltinTypeOCLImage1dRO: |
| 920 | | case ZigClangBuiltinTypeOCLImage1dArrayRO: |
| 921 | | case ZigClangBuiltinTypeOCLImage1dBufferRO: |
| 922 | | case ZigClangBuiltinTypeOCLImage2dRO: |
| 923 | | case ZigClangBuiltinTypeOCLImage2dArrayRO: |
| 924 | | case ZigClangBuiltinTypeOCLImage2dDepthRO: |
| 925 | | case ZigClangBuiltinTypeOCLImage2dArrayDepthRO: |
| 926 | | case ZigClangBuiltinTypeOCLImage2dMSAARO: |
| 927 | | case ZigClangBuiltinTypeOCLImage2dArrayMSAARO: |
| 928 | | case ZigClangBuiltinTypeOCLImage2dMSAADepthRO: |
| 929 | | case ZigClangBuiltinTypeOCLImage2dArrayMSAADepthRO: |
| 930 | | case ZigClangBuiltinTypeOCLImage3dRO: |
| 931 | | case ZigClangBuiltinTypeOCLImage1dWO: |
| 932 | | case ZigClangBuiltinTypeOCLImage1dArrayWO: |
| 933 | | case ZigClangBuiltinTypeOCLImage1dBufferWO: |
| 934 | | case ZigClangBuiltinTypeOCLImage2dWO: |
| 935 | | case ZigClangBuiltinTypeOCLImage2dArrayWO: |
| 936 | | case ZigClangBuiltinTypeOCLImage2dDepthWO: |
| 937 | | case ZigClangBuiltinTypeOCLImage2dArrayDepthWO: |
| 938 | | case ZigClangBuiltinTypeOCLImage2dMSAAWO: |
| 939 | | case ZigClangBuiltinTypeOCLImage2dArrayMSAAWO: |
| 940 | | case ZigClangBuiltinTypeOCLImage2dMSAADepthWO: |
| 941 | | case ZigClangBuiltinTypeOCLImage2dArrayMSAADepthWO: |
| 942 | | case ZigClangBuiltinTypeOCLImage3dWO: |
| 943 | | case ZigClangBuiltinTypeOCLImage1dRW: |
| 944 | | case ZigClangBuiltinTypeOCLImage1dArrayRW: |
| 945 | | case ZigClangBuiltinTypeOCLImage1dBufferRW: |
| 946 | | case ZigClangBuiltinTypeOCLImage2dRW: |
| 947 | | case ZigClangBuiltinTypeOCLImage2dArrayRW: |
| 948 | | case ZigClangBuiltinTypeOCLImage2dDepthRW: |
| 949 | | case ZigClangBuiltinTypeOCLImage2dArrayDepthRW: |
| 950 | | case ZigClangBuiltinTypeOCLImage2dMSAARW: |
| 951 | | case ZigClangBuiltinTypeOCLImage2dArrayMSAARW: |
| 952 | | case ZigClangBuiltinTypeOCLImage2dMSAADepthRW: |
| 953 | | case ZigClangBuiltinTypeOCLImage2dArrayMSAADepthRW: |
| 954 | | case ZigClangBuiltinTypeOCLImage3dRW: |
| 955 | | case ZigClangBuiltinTypeOCLSampler: |
| 956 | | case ZigClangBuiltinTypeOCLEvent: |
| 957 | | case ZigClangBuiltinTypeOCLClkEvent: |
| 958 | | case ZigClangBuiltinTypeOCLQueue: |
| 959 | | case ZigClangBuiltinTypeOCLReserveID: |
| 960 | | case ZigClangBuiltinTypeShortFract: |
| 961 | | case ZigClangBuiltinTypeFract: |
| 962 | | case ZigClangBuiltinTypeLongFract: |
| 963 | | case ZigClangBuiltinTypeUShortFract: |
| 964 | | case ZigClangBuiltinTypeUFract: |
| 965 | | case ZigClangBuiltinTypeULongFract: |
| 966 | | case ZigClangBuiltinTypeSatShortAccum: |
| 967 | | case ZigClangBuiltinTypeSatAccum: |
| 968 | | case ZigClangBuiltinTypeSatLongAccum: |
| 969 | | case ZigClangBuiltinTypeSatUShortAccum: |
| 970 | | case ZigClangBuiltinTypeSatUAccum: |
| 971 | | case ZigClangBuiltinTypeSatULongAccum: |
| 972 | | case ZigClangBuiltinTypeSatShortFract: |
| 973 | | case ZigClangBuiltinTypeSatFract: |
| 974 | | case ZigClangBuiltinTypeSatLongFract: |
| 975 | | case ZigClangBuiltinTypeSatUShortFract: |
| 976 | | case ZigClangBuiltinTypeSatUFract: |
| 977 | | case ZigClangBuiltinTypeSatULongFract: |
| 978 | | case ZigClangBuiltinTypeOCLIntelSubgroupAVCMcePayload: |
| 979 | | case ZigClangBuiltinTypeOCLIntelSubgroupAVCImePayload: |
| 980 | | case ZigClangBuiltinTypeOCLIntelSubgroupAVCRefPayload: |
| 981 | | case ZigClangBuiltinTypeOCLIntelSubgroupAVCSicPayload: |
| 982 | | case ZigClangBuiltinTypeOCLIntelSubgroupAVCMceResult: |
| 983 | | case ZigClangBuiltinTypeOCLIntelSubgroupAVCImeResult: |
| 984 | | case ZigClangBuiltinTypeOCLIntelSubgroupAVCRefResult: |
| 985 | | case ZigClangBuiltinTypeOCLIntelSubgroupAVCSicResult: |
| 986 | | case ZigClangBuiltinTypeOCLIntelSubgroupAVCImeResultSingleRefStreamout: |
| 987 | | case ZigClangBuiltinTypeOCLIntelSubgroupAVCImeResultDualRefStreamout: |
| 988 | | case ZigClangBuiltinTypeOCLIntelSubgroupAVCImeSingleRefStreamin: |
| 989 | | case ZigClangBuiltinTypeOCLIntelSubgroupAVCImeDualRefStreamin: |
| 990 | | emit_warning(c, source_loc, "unsupported builtin type"); |
| 991 | | return nullptr; |
| 992 | | } |
| 993 | | break; |
| 994 | | } |
| 995 | | case ZigClangType_Pointer: |
| 996 | | { |
| 997 | | ZigClangQualType child_qt = ZigClangType_getPointeeType(ty); |
| 998 | | AstNode *child_node = trans_qual_type(c, child_qt, source_loc); |
| 999 | | if (child_node == nullptr) { |
| 1000 | | emit_warning(c, source_loc, "pointer to unsupported type"); |
| 1001 | | return nullptr; |
| 1002 | | } |
| 1003 | | |
| 1004 | | if (qual_type_child_is_fn_proto(child_qt)) { |
| 1005 | | return trans_create_node_prefix_op(c, PrefixOpOptional, child_node); |
| 1006 | | } |
| 1007 | | |
| 1008 | | if (type_is_function(c, ZigClangQualType_getTypePtr(child_qt), source_loc)) { |
| 1009 | | return trans_create_node_prefix_op(c, PrefixOpOptional, child_node); |
| 1010 | | } else if (type_is_opaque(c, ZigClangQualType_getTypePtr(child_qt), source_loc)) { |
| 1011 | | AstNode *pointer_node = trans_create_node_ptr_type(c, |
| 1012 | | ZigClangQualType_isConstQualified(child_qt), |
| 1013 | | ZigClangQualType_isVolatileQualified(child_qt), |
| 1014 | | child_node, PtrLenSingle); |
| 1015 | | return trans_create_node_prefix_op(c, PrefixOpOptional, pointer_node); |
| 1016 | | } else { |
| 1017 | | return trans_create_node_ptr_type(c, |
| 1018 | | ZigClangQualType_isConstQualified(child_qt), |
| 1019 | | ZigClangQualType_isVolatileQualified(child_qt), |
| 1020 | | child_node, PtrLenC); |
| 1021 | | } |
| 1022 | | } |
| 1023 | | case ZigClangType_Typedef: |
| 1024 | | { |
| 1025 | | const ZigClangTypedefType *typedef_ty = reinterpret_cast<const ZigClangTypedefType*>(ty); |
| 1026 | | const ZigClangTypedefNameDecl *typedef_decl = ZigClangTypedefType_getDecl(typedef_ty); |
| 1027 | | return resolve_typedef_decl(c, typedef_decl); |
| 1028 | | } |
| 1029 | | case ZigClangType_Elaborated: |
| 1030 | | { |
| 1031 | | const ZigClangElaboratedType *elaborated_ty = reinterpret_cast<const ZigClangElaboratedType*>(ty); |
| 1032 | | switch (ZigClangElaboratedType_getKeyword(elaborated_ty)) { |
| 1033 | | case ZigClangETK_Struct: |
| 1034 | | case ZigClangETK_Enum: |
| 1035 | | case ZigClangETK_Union: |
| 1036 | | return trans_qual_type(c, ZigClangElaboratedType_getNamedType(elaborated_ty), source_loc); |
| 1037 | | case ZigClangETK_Interface: |
| 1038 | | case ZigClangETK_Class: |
| 1039 | | case ZigClangETK_Typename: |
| 1040 | | case ZigClangETK_None: |
| 1041 | | emit_warning(c, source_loc, "unsupported elaborated type"); |
| 1042 | | return nullptr; |
| 1043 | | } |
| 1044 | | } |
| 1045 | | case ZigClangType_FunctionProto: |
| 1046 | | case ZigClangType_FunctionNoProto: |
| 1047 | | { |
| 1048 | | const ZigClangFunctionType *fn_ty = reinterpret_cast<const ZigClangFunctionType*>(ty); |
| 1049 | | |
| 1050 | | AstNode *proto_node = trans_create_node(c, NodeTypeFnProto); |
| 1051 | | switch (ZigClangFunctionType_getCallConv(fn_ty)) { |
| 1052 | | case ZigClangCallingConv_C: // __attribute__((cdecl)) |
| 1053 | | proto_node->data.fn_proto.cc = CallingConventionC; |
| 1054 | | proto_node->data.fn_proto.is_extern = true; |
| 1055 | | break; |
| 1056 | | case ZigClangCallingConv_X86StdCall: // __attribute__((stdcall)) |
| 1057 | | proto_node->data.fn_proto.cc = CallingConventionStdcall; |
| 1058 | | break; |
| 1059 | | case ZigClangCallingConv_X86FastCall: // __attribute__((fastcall)) |
| 1060 | | emit_warning(c, source_loc, "unsupported calling convention: x86 fastcall"); |
| 1061 | | return nullptr; |
| 1062 | | case ZigClangCallingConv_X86ThisCall: // __attribute__((thiscall)) |
| 1063 | | emit_warning(c, source_loc, "unsupported calling convention: x86 thiscall"); |
| 1064 | | return nullptr; |
| 1065 | | case ZigClangCallingConv_X86VectorCall: // __attribute__((vectorcall)) |
| 1066 | | emit_warning(c, source_loc, "unsupported calling convention: x86 vectorcall"); |
| 1067 | | return nullptr; |
| 1068 | | case ZigClangCallingConv_X86Pascal: // __attribute__((pascal)) |
| 1069 | | emit_warning(c, source_loc, "unsupported calling convention: x86 pascal"); |
| 1070 | | return nullptr; |
| 1071 | | case ZigClangCallingConv_Win64: // __attribute__((ms_abi)) |
| 1072 | | emit_warning(c, source_loc, "unsupported calling convention: win64"); |
| 1073 | | return nullptr; |
| 1074 | | case ZigClangCallingConv_X86_64SysV: // __attribute__((sysv_abi)) |
| 1075 | | emit_warning(c, source_loc, "unsupported calling convention: x86 64sysv"); |
| 1076 | | return nullptr; |
| 1077 | | case ZigClangCallingConv_X86RegCall: |
| 1078 | | emit_warning(c, source_loc, "unsupported calling convention: x86 reg"); |
| 1079 | | return nullptr; |
| 1080 | | case ZigClangCallingConv_AAPCS: // __attribute__((pcs("aapcs"))) |
| 1081 | | emit_warning(c, source_loc, "unsupported calling convention: aapcs"); |
| 1082 | | return nullptr; |
| 1083 | | case ZigClangCallingConv_AAPCS_VFP: // __attribute__((pcs("aapcs-vfp"))) |
| 1084 | | emit_warning(c, source_loc, "unsupported calling convention: aapcs-vfp"); |
| 1085 | | return nullptr; |
| 1086 | | case ZigClangCallingConv_IntelOclBicc: // __attribute__((intel_ocl_bicc)) |
| 1087 | | emit_warning(c, source_loc, "unsupported calling convention: intel_ocl_bicc"); |
| 1088 | | return nullptr; |
| 1089 | | case ZigClangCallingConv_SpirFunction: // default for OpenCL functions on SPIR target |
| 1090 | | emit_warning(c, source_loc, "unsupported calling convention: SPIR function"); |
| 1091 | | return nullptr; |
| 1092 | | case ZigClangCallingConv_OpenCLKernel: |
| 1093 | | emit_warning(c, source_loc, "unsupported calling convention: OpenCLKernel"); |
| 1094 | | return nullptr; |
| 1095 | | case ZigClangCallingConv_Swift: |
| 1096 | | emit_warning(c, source_loc, "unsupported calling convention: Swift"); |
| 1097 | | return nullptr; |
| 1098 | | case ZigClangCallingConv_PreserveMost: |
| 1099 | | emit_warning(c, source_loc, "unsupported calling convention: PreserveMost"); |
| 1100 | | return nullptr; |
| 1101 | | case ZigClangCallingConv_PreserveAll: |
| 1102 | | emit_warning(c, source_loc, "unsupported calling convention: PreserveAll"); |
| 1103 | | return nullptr; |
| 1104 | | case ZigClangCallingConv_AArch64VectorCall: |
| 1105 | | emit_warning(c, source_loc, "unsupported calling convention: AArch64VectorCall"); |
| 1106 | | return nullptr; |
| 1107 | | } |
| 1108 | | |
| 1109 | | if (ZigClangFunctionType_getNoReturnAttr(fn_ty)) { |
| 1110 | | proto_node->data.fn_proto.return_type = trans_create_node_symbol_str(c, "noreturn"); |
| 1111 | | } else { |
| 1112 | | proto_node->data.fn_proto.return_type = trans_qual_type(c, |
| 1113 | | ZigClangFunctionType_getReturnType(fn_ty), source_loc); |
| 1114 | | if (proto_node->data.fn_proto.return_type == nullptr) { |
| 1115 | | emit_warning(c, source_loc, "unsupported function proto return type"); |
| 1116 | | return nullptr; |
| 1117 | | } |
| 1118 | | // convert c_void to actual void (only for return type) |
| 1119 | | // we do want to look at the AstNode instead of ZigClangQualType, because |
| 1120 | | // if they do something like: |
| 1121 | | // typedef Foo void; |
| 1122 | | // void foo(void) -> Foo; |
| 1123 | | // we want to keep the return type AST node. |
| 1124 | | if (is_c_void_type(proto_node->data.fn_proto.return_type)) { |
| 1125 | | proto_node->data.fn_proto.return_type = trans_create_node_symbol_str(c, "void"); |
| 1126 | | } |
| 1127 | | } |
| 1128 | | |
| 1129 | | //emit_warning(c, source_loc, "TODO figure out fn prototype fn name"); |
| 1130 | | const char *fn_name = nullptr; |
| 1131 | | if (fn_name != nullptr) { |
| 1132 | | proto_node->data.fn_proto.name = buf_create_from_str(fn_name); |
| 1133 | | } |
| 1134 | | |
| 1135 | | if (ZigClangType_getTypeClass(ty) == ZigClangType_FunctionNoProto) { |
| 1136 | | return proto_node; |
| 1137 | | } |
| 1138 | | |
| 1139 | | const ZigClangFunctionProtoType *fn_proto_ty = reinterpret_cast<const ZigClangFunctionProtoType*>(ty); |
| 1140 | | |
| 1141 | | proto_node->data.fn_proto.is_var_args = ZigClangFunctionProtoType_isVariadic(fn_proto_ty); |
| 1142 | | size_t param_count = ZigClangFunctionProtoType_getNumParams(fn_proto_ty); |
| 1143 | | |
| 1144 | | for (size_t i = 0; i < param_count; i += 1) { |
| 1145 | | ZigClangQualType qt = ZigClangFunctionProtoType_getParamType(fn_proto_ty, i); |
| 1146 | | AstNode *param_type_node = trans_qual_type(c, qt, source_loc); |
| 1147 | | |
| 1148 | | if (param_type_node == nullptr) { |
| 1149 | | emit_warning(c, source_loc, "unresolved function proto parameter type"); |
| 1150 | | return nullptr; |
| 1151 | | } |
| 1152 | | |
| 1153 | | AstNode *param_node = trans_create_node(c, NodeTypeParamDecl); |
| 1154 | | //emit_warning(c, source_loc, "TODO figure out fn prototype param name"); |
| 1155 | | const char *param_name = nullptr; |
| 1156 | | if (param_name != nullptr) { |
| 1157 | | param_node->data.param_decl.name = buf_create_from_str(param_name); |
| 1158 | | } |
| 1159 | | param_node->data.param_decl.is_noalias = ZigClangQualType_isRestrictQualified(qt); |
| 1160 | | param_node->data.param_decl.type = param_type_node; |
| 1161 | | proto_node->data.fn_proto.params.append(param_node); |
| 1162 | | } |
| 1163 | | // TODO check for always_inline attribute |
| 1164 | | // TODO check for align attribute |
| 1165 | | |
| 1166 | | return proto_node; |
| 1167 | | } |
| 1168 | | case ZigClangType_Record: |
| 1169 | | { |
| 1170 | | const ZigClangRecordType *record_ty = reinterpret_cast<const ZigClangRecordType*>(ty); |
| 1171 | | return resolve_record_decl(c, ZigClangRecordType_getDecl(record_ty)); |
| 1172 | | } |
| 1173 | | case ZigClangType_Enum: |
| 1174 | | { |
| 1175 | | const ZigClangEnumType *enum_ty = reinterpret_cast<const ZigClangEnumType*>(ty); |
| 1176 | | return resolve_enum_decl(c, ZigClangEnumType_getDecl(enum_ty)); |
| 1177 | | } |
| 1178 | | case ZigClangType_ConstantArray: |
| 1179 | | { |
| 1180 | | const ZigClangConstantArrayType *const_arr_ty = reinterpret_cast<const ZigClangConstantArrayType *>(ty); |
| 1181 | | AstNode *child_type_node = trans_qual_type(c, |
| 1182 | | ZigClangConstantArrayType_getElementType(const_arr_ty), source_loc); |
| 1183 | | if (child_type_node == nullptr) { |
| 1184 | | emit_warning(c, source_loc, "unresolved array element type"); |
| 1185 | | return nullptr; |
| 1186 | | } |
| 1187 | | const ZigClangAPInt *size_ap_int = ZigClangConstantArrayType_getSize(const_arr_ty); |
| 1188 | | uint64_t size = ZigClangAPInt_getLimitedValue(size_ap_int, UINT64_MAX); |
| 1189 | | AstNode *size_node = trans_create_node_unsigned(c, size); |
| 1190 | | return trans_create_node_array_type(c, size_node, child_type_node); |
| 1191 | | } |
| 1192 | | case ZigClangType_Paren: |
| 1193 | | { |
| 1194 | | const ZigClangParenType *paren_ty = reinterpret_cast<const ZigClangParenType *>(ty); |
| 1195 | | return trans_qual_type(c, ZigClangParenType_getInnerType(paren_ty), source_loc); |
| 1196 | | } |
| 1197 | | case ZigClangType_Decayed: |
| 1198 | | { |
| 1199 | | const ZigClangDecayedType *decayed_ty = reinterpret_cast<const ZigClangDecayedType *>(ty); |
| 1200 | | return trans_qual_type(c, ZigClangDecayedType_getDecayedType(decayed_ty), source_loc); |
| 1201 | | } |
| 1202 | | case ZigClangType_Attributed: |
| 1203 | | { |
| 1204 | | const ZigClangAttributedType *attributed_ty = reinterpret_cast<const ZigClangAttributedType *>(ty); |
| 1205 | | return trans_qual_type(c, ZigClangAttributedType_getEquivalentType(attributed_ty), source_loc); |
| 1206 | | } |
| 1207 | | case ZigClangType_MacroQualified: |
| 1208 | | { |
| 1209 | | const ZigClangMacroQualifiedType *macroqualified_ty = reinterpret_cast<const ZigClangMacroQualifiedType *>(ty); |
| 1210 | | return trans_qual_type(c, ZigClangMacroQualifiedType_getModifiedType(macroqualified_ty), source_loc); |
| 1211 | | } |
| 1212 | | case ZigClangType_IncompleteArray: |
| 1213 | | { |
| 1214 | | const ZigClangIncompleteArrayType *incomplete_array_ty = reinterpret_cast<const ZigClangIncompleteArrayType *>(ty); |
| 1215 | | ZigClangQualType child_qt = ZigClangIncompleteArrayType_getElementType(incomplete_array_ty); |
| 1216 | | AstNode *child_type_node = trans_qual_type(c, child_qt, source_loc); |
| 1217 | | if (child_type_node == nullptr) { |
| 1218 | | emit_warning(c, source_loc, "unresolved array element type"); |
| 1219 | | return nullptr; |
| 1220 | | } |
| 1221 | | AstNode *pointer_node = trans_create_node_ptr_type(c, |
| 1222 | | ZigClangQualType_isConstQualified(child_qt), |
| 1223 | | ZigClangQualType_isVolatileQualified(child_qt), |
| 1224 | | child_type_node, PtrLenC); |
| 1225 | | return pointer_node; |
| 1226 | | } |
| 1227 | | case ZigClangType_BlockPointer: |
| 1228 | | case ZigClangType_LValueReference: |
| 1229 | | case ZigClangType_RValueReference: |
| 1230 | | case ZigClangType_MemberPointer: |
| 1231 | | case ZigClangType_VariableArray: |
| 1232 | | case ZigClangType_DependentSizedArray: |
| 1233 | | case ZigClangType_DependentSizedExtVector: |
| 1234 | | case ZigClangType_Vector: |
| 1235 | | case ZigClangType_ExtVector: |
| 1236 | | case ZigClangType_UnresolvedUsing: |
| 1237 | | case ZigClangType_Adjusted: |
| 1238 | | case ZigClangType_TypeOfExpr: |
| 1239 | | case ZigClangType_TypeOf: |
| 1240 | | case ZigClangType_Decltype: |
| 1241 | | case ZigClangType_UnaryTransform: |
| 1242 | | case ZigClangType_TemplateTypeParm: |
| 1243 | | case ZigClangType_SubstTemplateTypeParm: |
| 1244 | | case ZigClangType_SubstTemplateTypeParmPack: |
| 1245 | | case ZigClangType_TemplateSpecialization: |
| 1246 | | case ZigClangType_Auto: |
| 1247 | | case ZigClangType_InjectedClassName: |
| 1248 | | case ZigClangType_DependentName: |
| 1249 | | case ZigClangType_DependentTemplateSpecialization: |
| 1250 | | case ZigClangType_PackExpansion: |
| 1251 | | case ZigClangType_ObjCObject: |
| 1252 | | case ZigClangType_ObjCInterface: |
| 1253 | | case ZigClangType_Complex: |
| 1254 | | case ZigClangType_ObjCObjectPointer: |
| 1255 | | case ZigClangType_Atomic: |
| 1256 | | case ZigClangType_Pipe: |
| 1257 | | case ZigClangType_ObjCTypeParam: |
| 1258 | | case ZigClangType_DeducedTemplateSpecialization: |
| 1259 | | case ZigClangType_DependentAddressSpace: |
| 1260 | | case ZigClangType_DependentVector: |
| 1261 | | emit_warning(c, source_loc, "unsupported type: '%s'", ZigClangType_getTypeClassName(ty)); |
| 1262 | | return nullptr; |
| 1263 | | } |
| 1264 | | zig_unreachable(); |
| 1265 | | } |
| 1266 | | |
| 1267 | | static AstNode *trans_qual_type(Context *c, ZigClangQualType qt, ZigClangSourceLocation source_loc) { |
| 1268 | | return trans_type(c, ZigClangQualType_getTypePtr(qt), source_loc); |
| 1269 | | } |
| 1270 | | |
| 1271 | | static int trans_compound_stmt_inline(Context *c, TransScope *scope, const ZigClangCompoundStmt *stmt, |
| 1272 | | AstNode *block_node, TransScope **out_node_scope) |
| 1273 | | { |
| 1274 | | assert(block_node->type == NodeTypeBlock); |
| 1275 | | for (ZigClangCompoundStmt_const_body_iterator it = ZigClangCompoundStmt_body_begin(stmt), |
| 1276 | | end_it = ZigClangCompoundStmt_body_end(stmt); it != end_it; ++it) |
| 1277 | | { |
| 1278 | | AstNode *child_node; |
| 1279 | | scope = trans_stmt(c, scope, *it, &child_node); |
| 1280 | | if (scope == nullptr) |
| 1281 | | return ErrorUnexpected; |
| 1282 | | if (child_node != nullptr) |
| 1283 | | block_node->data.block.statements.append(child_node); |
| 1284 | | } |
| 1285 | | if (out_node_scope != nullptr) { |
| 1286 | | *out_node_scope = scope; |
| 1287 | | } |
| 1288 | | return ErrorNone; |
| 1289 | | } |
| 1290 | | |
| 1291 | | static AstNode *trans_compound_stmt(Context *c, TransScope *scope, const ZigClangCompoundStmt *stmt, |
| 1292 | | TransScope **out_node_scope) |
| 1293 | | { |
| 1294 | | TransScopeBlock *child_scope_block = trans_scope_block_create(c, scope); |
| 1295 | | if (trans_compound_stmt_inline(c, &child_scope_block->base, stmt, child_scope_block->node, out_node_scope)) |
| 1296 | | return nullptr; |
| 1297 | | return child_scope_block->node; |
| 1298 | | } |
| 1299 | | |
| 1300 | | static AstNode *trans_stmt_expr(Context *c, ResultUsed result_used, TransScope *scope, |
| 1301 | | const ZigClangStmtExpr *stmt, TransScope **out_node_scope) |
| 1302 | | { |
| 1303 | | AstNode *block = trans_compound_stmt(c, scope, ZigClangStmtExpr_getSubStmt(stmt), out_node_scope); |
| 1304 | | if (block == nullptr) |
| 1305 | | return block; |
| 1306 | | assert(block->type == NodeTypeBlock); |
| 1307 | | if (block->data.block.statements.length == 0) |
| 1308 | | return block; |
| 1309 | | |
| 1310 | | Buf *label = buf_create_from_str("x"); |
| 1311 | | block->data.block.name = label; |
| 1312 | | AstNode *return_expr = block->data.block.statements.pop(); |
| 1313 | | if (return_expr->type == NodeTypeBinOpExpr && |
| 1314 | | return_expr->data.bin_op_expr.bin_op == BinOpTypeAssign && |
| 1315 | | return_expr->data.bin_op_expr.op1->type == NodeTypeSymbol) |
| 1316 | | { |
| 1317 | | Buf *symbol_buf = return_expr->data.bin_op_expr.op1->data.symbol_expr.symbol; |
| 1318 | | if (strcmp("_", buf_ptr(symbol_buf)) == 0) |
| 1319 | | return_expr = return_expr->data.bin_op_expr.op2; |
| 1320 | | } |
| 1321 | | block->data.block.statements.append(trans_create_node_break(c, label, return_expr)); |
| 1322 | | return maybe_suppress_result(c, result_used, block); |
| 1323 | | } |
| 1324 | | |
| 1325 | | static AstNode *trans_return_stmt(Context *c, TransScope *scope, const ZigClangReturnStmt *stmt) { |
| 1326 | | const ZigClangExpr *value_expr = ZigClangReturnStmt_getRetValue(stmt); |
| 1327 | | if (value_expr == nullptr) { |
| 1328 | | return trans_create_node(c, NodeTypeReturnExpr); |
| 1329 | | } else { |
| 1330 | | AstNode *return_node = trans_create_node(c, NodeTypeReturnExpr); |
| 1331 | | return_node->data.return_expr.expr = trans_expr(c, ResultUsedYes, scope, value_expr, TransRValue); |
| 1332 | | if (return_node->data.return_expr.expr == nullptr) |
| 1333 | | return nullptr; |
| 1334 | | return return_node; |
| 1335 | | } |
| 1336 | | } |
| 1337 | | |
| 1338 | | static AstNode *trans_integer_literal(Context *c, ResultUsed result_used, const ZigClangIntegerLiteral *stmt) { |
| 1339 | | ZigClangExprEvalResult result; |
| 1340 | | if (!ZigClangIntegerLiteral_EvaluateAsInt(stmt, &result, c->ctx)) { |
| 1341 | | emit_warning(c, ZigClangExpr_getBeginLoc((ZigClangExpr*)stmt), "invalid integer literal"); |
| 1342 | | return nullptr; |
| 1343 | | } |
| 1344 | | AstNode *node = trans_create_node_apint(c, ZigClangAPValue_getInt(&result.Val)); |
| 1345 | | return maybe_suppress_result(c, result_used, node); |
| 1346 | | } |
| 1347 | | |
| 1348 | | static AstNode *trans_floating_literal(Context *c, ResultUsed result_used, const ZigClangFloatingLiteral *stmt) { |
| 1349 | | ZigClangAPFloat *result; |
| 1350 | | if (!ZigClangExpr_EvaluateAsFloat((const ZigClangExpr *)stmt, &result, c->ctx)) { |
| 1351 | | emit_warning(c, ZigClangExpr_getBeginLoc((ZigClangExpr*)stmt), "invalid floating literal"); |
| 1352 | | return nullptr; |
| 1353 | | } |
| 1354 | | AstNode *node = trans_create_node_apfloat(c, result); |
| 1355 | | return maybe_suppress_result(c, result_used, node); |
| 1356 | | } |
| 1357 | | |
| 1358 | | static AstNode *trans_character_literal(Context *c, ResultUsed result_used, const ZigClangCharacterLiteral *stmt) { |
| 1359 | | switch (ZigClangCharacterLiteral_getKind(stmt)) { |
| 1360 | | case ZigClangCharacterLiteral_CharacterKind_Ascii: |
| 1361 | | { |
| 1362 | | unsigned val = ZigClangCharacterLiteral_getValue(stmt); |
| 1363 | | // C has a somewhat obscure feature called multi-character character |
| 1364 | | // constant |
| 1365 | | if (val > 255) |
| 1366 | | return trans_create_node_unsigned(c, val); |
| 1367 | | } |
| 1368 | | // fallthrough |
| 1369 | | case ZigClangCharacterLiteral_CharacterKind_UTF8: |
| 1370 | | { |
| 1371 | | AstNode *node = trans_create_node(c, NodeTypeCharLiteral); |
| 1372 | | node->data.char_literal.value = ZigClangCharacterLiteral_getValue(stmt); |
| 1373 | | return maybe_suppress_result(c, result_used, node); |
| 1374 | | } |
| 1375 | | case ZigClangCharacterLiteral_CharacterKind_UTF16: |
| 1376 | | emit_warning(c, ZigClangCharacterLiteral_getBeginLoc(stmt), "TODO support UTF16 character literals"); |
| 1377 | | return nullptr; |
| 1378 | | case ZigClangCharacterLiteral_CharacterKind_UTF32: |
| 1379 | | emit_warning(c, ZigClangCharacterLiteral_getBeginLoc(stmt), "TODO support UTF32 character literals"); |
| 1380 | | return nullptr; |
| 1381 | | case ZigClangCharacterLiteral_CharacterKind_Wide: |
| 1382 | | emit_warning(c, ZigClangCharacterLiteral_getBeginLoc(stmt), "TODO support wide character literals"); |
| 1383 | | return nullptr; |
| 1384 | | } |
| 1385 | | zig_unreachable(); |
| 1386 | | } |
| 1387 | | |
| 1388 | | static AstNode *trans_constant_expr(Context *c, ResultUsed result_used, const ZigClangConstantExpr *expr) { |
| 1389 | | const ZigClangExpr *as_expr = reinterpret_cast<const ZigClangExpr *>(expr); |
| 1390 | | ZigClangExprEvalResult result; |
| 1391 | | if (!ZigClangExpr_EvaluateAsConstantExpr((const ZigClangExpr *)expr, &result, |
| 1392 | | ZigClangExpr_EvaluateForCodeGen, c->ctx)) |
| 1393 | | { |
| 1394 | | emit_warning(c, ZigClangExpr_getBeginLoc(as_expr), "invalid constant expression"); |
| 1395 | | return nullptr; |
| 1396 | | } |
| 1397 | | AstNode *node = trans_ap_value(c, &result.Val, ZigClangExpr_getType(as_expr), |
| 1398 | | ZigClangExpr_getBeginLoc(as_expr)); |
| 1399 | | return maybe_suppress_result(c, result_used, node); |
| 1400 | | } |
| 1401 | | |
| 1402 | | static AstNode *trans_conditional_operator(Context *c, ResultUsed result_used, TransScope *scope, |
| 1403 | | const ZigClangConditionalOperator *stmt) |
| 1404 | | { |
| 1405 | | AstNode *node = trans_create_node(c, NodeTypeIfBoolExpr); |
| 1406 | | |
| 1407 | | const ZigClangExpr *cond_expr = ZigClangConditionalOperator_getCond(stmt); |
| 1408 | | const ZigClangExpr *true_expr = ZigClangConditionalOperator_getTrueExpr(stmt); |
| 1409 | | const ZigClangExpr *false_expr = ZigClangConditionalOperator_getFalseExpr(stmt); |
| 1410 | | |
| 1411 | | node->data.if_bool_expr.condition = trans_expr(c, ResultUsedYes, scope, cond_expr, TransRValue); |
| 1412 | | if (node->data.if_bool_expr.condition == nullptr) |
| 1413 | | return nullptr; |
| 1414 | | |
| 1415 | | node->data.if_bool_expr.then_block = trans_expr(c, result_used, scope, true_expr, TransRValue); |
| 1416 | | if (node->data.if_bool_expr.then_block == nullptr) |
| 1417 | | return nullptr; |
| 1418 | | |
| 1419 | | node->data.if_bool_expr.else_node = trans_expr(c, result_used, scope, false_expr, TransRValue); |
| 1420 | | if (node->data.if_bool_expr.else_node == nullptr) |
| 1421 | | return nullptr; |
| 1422 | | |
| 1423 | | return maybe_suppress_result(c, result_used, node); |
| 1424 | | } |
| 1425 | | |
| 1426 | | static AstNode *trans_create_bin_op(Context *c, TransScope *scope, const ZigClangExpr *lhs, |
| 1427 | | BinOpType bin_op, const ZigClangExpr *rhs) |
| 1428 | | { |
| 1429 | | AstNode *node = trans_create_node(c, NodeTypeBinOpExpr); |
| 1430 | | node->data.bin_op_expr.bin_op = bin_op; |
| 1431 | | |
| 1432 | | node->data.bin_op_expr.op1 = trans_expr(c, ResultUsedYes, scope, lhs, TransRValue); |
| 1433 | | if (node->data.bin_op_expr.op1 == nullptr) |
| 1434 | | return nullptr; |
| 1435 | | |
| 1436 | | node->data.bin_op_expr.op2 = trans_expr(c, ResultUsedYes, scope, rhs, TransRValue); |
| 1437 | | if (node->data.bin_op_expr.op2 == nullptr) |
| 1438 | | return nullptr; |
| 1439 | | |
| 1440 | | return node; |
| 1441 | | } |
| 1442 | | |
| 1443 | | static AstNode *trans_create_bool_bin_op(Context *c, TransScope *scope, const ZigClangExpr *lhs, |
| 1444 | | BinOpType bin_op, const ZigClangExpr *rhs) |
| 1445 | | { |
| 1446 | | assert(bin_op == BinOpTypeBoolAnd || bin_op == BinOpTypeBoolOr); |
| 1447 | | AstNode *node = trans_create_node(c, NodeTypeBinOpExpr); |
| 1448 | | node->data.bin_op_expr.bin_op = bin_op; |
| 1449 | | |
| 1450 | | node->data.bin_op_expr.op1 = trans_bool_expr(c, ResultUsedYes, scope, lhs, TransRValue); |
| 1451 | | if (node->data.bin_op_expr.op1 == nullptr) |
| 1452 | | return nullptr; |
| 1453 | | |
| 1454 | | node->data.bin_op_expr.op2 = trans_bool_expr(c, ResultUsedYes, scope, rhs, TransRValue); |
| 1455 | | if (node->data.bin_op_expr.op2 == nullptr) |
| 1456 | | return nullptr; |
| 1457 | | |
| 1458 | | return node; |
| 1459 | | } |
| 1460 | | |
| 1461 | | static AstNode *trans_create_assign(Context *c, ResultUsed result_used, TransScope *scope, |
| 1462 | | const ZigClangExpr *lhs, const ZigClangExpr *rhs) |
| 1463 | | { |
| 1464 | | if (result_used == ResultUsedNo) { |
| 1465 | | // common case |
| 1466 | | AstNode *node = trans_create_node(c, NodeTypeBinOpExpr); |
| 1467 | | node->data.bin_op_expr.bin_op = BinOpTypeAssign; |
| 1468 | | |
| 1469 | | node->data.bin_op_expr.op1 = trans_expr(c, ResultUsedYes, scope, lhs, TransLValue); |
| 1470 | | if (node->data.bin_op_expr.op1 == nullptr) |
| 1471 | | return nullptr; |
| 1472 | | |
| 1473 | | node->data.bin_op_expr.op2 = trans_expr(c, ResultUsedYes, scope, rhs, TransRValue); |
| 1474 | | if (node->data.bin_op_expr.op2 == nullptr) |
| 1475 | | return nullptr; |
| 1476 | | |
| 1477 | | return node; |
| 1478 | | } else { |
| 1479 | | // worst case |
| 1480 | | // c: lhs = rhs |
| 1481 | | // zig: (x: { |
| 1482 | | // zig: const _tmp = rhs; |
| 1483 | | // zig: lhs = _tmp; |
| 1484 | | // zig: break :x _tmp |
| 1485 | | // zig: }) |
| 1486 | | |
| 1487 | | TransScopeBlock *child_scope = trans_scope_block_create(c, scope); |
| 1488 | | Buf *label_name = buf_create_from_str("x"); |
| 1489 | | child_scope->node->data.block.name = label_name; |
| 1490 | | |
| 1491 | | // const _tmp = rhs; |
| 1492 | | AstNode *rhs_node = trans_expr(c, ResultUsedYes, &child_scope->base, rhs, TransRValue); |
| 1493 | | if (rhs_node == nullptr) return nullptr; |
| 1494 | | // TODO: avoid name collisions with generated variable names |
| 1495 | | Buf* tmp_var_name = buf_create_from_str("_tmp"); |
| 1496 | | AstNode *tmp_var_decl = trans_create_node_var_decl_local(c, true, tmp_var_name, nullptr, rhs_node); |
| 1497 | | child_scope->node->data.block.statements.append(tmp_var_decl); |
| 1498 | | |
| 1499 | | // lhs = _tmp; |
| 1500 | | AstNode *lhs_node = trans_expr(c, ResultUsedYes, &child_scope->base, lhs, TransLValue); |
| 1501 | | if (lhs_node == nullptr) return nullptr; |
| 1502 | | child_scope->node->data.block.statements.append( |
| 1503 | | trans_create_node_bin_op(c, lhs_node, BinOpTypeAssign, |
| 1504 | | trans_create_node_symbol(c, tmp_var_name))); |
| 1505 | | |
| 1506 | | // break :x _tmp |
| 1507 | | AstNode *tmp_symbol_node = trans_create_node_symbol(c, tmp_var_name); |
| 1508 | | child_scope->node->data.block.statements.append(trans_create_node_break(c, label_name, tmp_symbol_node)); |
| 1509 | | |
| 1510 | | return trans_create_node_grouped_expr(c, child_scope->node); |
| 1511 | | } |
| 1512 | | } |
| 1513 | | |
| 1514 | | static AstNode *trans_create_shift_op(Context *c, TransScope *scope, ZigClangQualType result_type, |
| 1515 | | const ZigClangExpr *lhs_expr, BinOpType bin_op, const ZigClangExpr *rhs_expr) |
| 1516 | | { |
| 1517 | | ZigClangSourceLocation rhs_location = ZigClangExpr_getBeginLoc(rhs_expr); |
| 1518 | | AstNode *rhs_type = qual_type_to_log2_int_ref(c, result_type, rhs_location); |
| 1519 | | // lhs >> u5(rh) |
| 1520 | | |
| 1521 | | AstNode *lhs = trans_expr(c, ResultUsedYes, scope, lhs_expr, TransLValue); |
| 1522 | | if (lhs == nullptr) return nullptr; |
| 1523 | | |
| 1524 | | AstNode *rhs = trans_expr(c, ResultUsedYes, scope, rhs_expr, TransRValue); |
| 1525 | | if (rhs == nullptr) return nullptr; |
| 1526 | | AstNode *coerced_rhs = trans_create_node_cast(c, rhs_type, rhs); |
| 1527 | | |
| 1528 | | return trans_create_node_bin_op(c, lhs, bin_op, coerced_rhs); |
| 1529 | | } |
| 1530 | | |
| 1531 | | static AstNode *trans_binary_operator(Context *c, ResultUsed result_used, TransScope *scope, |
| 1532 | | const ZigClangBinaryOperator *stmt) |
| 1533 | | { |
| 1534 | | switch (ZigClangBinaryOperator_getOpcode(stmt)) { |
| 1535 | | case ZigClangBO_PtrMemD: |
| 1536 | | emit_warning(c, ZigClangBinaryOperator_getBeginLoc(stmt), "TODO handle more C binary operators: BO_PtrMemD"); |
| 1537 | | return nullptr; |
| 1538 | | case ZigClangBO_PtrMemI: |
| 1539 | | emit_warning(c, ZigClangBinaryOperator_getBeginLoc(stmt), "TODO handle more C binary operators: BO_PtrMemI"); |
| 1540 | | return nullptr; |
| 1541 | | case ZigClangBO_Cmp: |
| 1542 | | emit_warning(c, ZigClangBinaryOperator_getBeginLoc(stmt), "TODO handle more C binary operators: BO_Cmp"); |
| 1543 | | return nullptr; |
| 1544 | | case ZigClangBO_Mul: { |
| 1545 | | AstNode *node = trans_create_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), |
| 1546 | | qual_type_has_wrapping_overflow(c, ZigClangBinaryOperator_getType(stmt)) ? BinOpTypeMultWrap : BinOpTypeMult, |
| 1547 | | ZigClangBinaryOperator_getRHS(stmt)); |
| 1548 | | return maybe_suppress_result(c, result_used, node); |
| 1549 | | } |
| 1550 | | case ZigClangBO_Div: |
| 1551 | | if (qual_type_has_wrapping_overflow(c, ZigClangBinaryOperator_getType(stmt))) { |
| 1552 | | // unsigned/float division uses the operator |
| 1553 | | AstNode *node = trans_create_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), BinOpTypeDiv, ZigClangBinaryOperator_getRHS(stmt)); |
| 1554 | | return maybe_suppress_result(c, result_used, node); |
| 1555 | | } else { |
| 1556 | | // signed integer division uses @divTrunc |
| 1557 | | AstNode *fn_call = trans_create_node_builtin_fn_call_str(c, "divTrunc"); |
| 1558 | | AstNode *lhs = trans_expr(c, ResultUsedYes, scope, ZigClangBinaryOperator_getLHS(stmt), TransLValue); |
| 1559 | | if (lhs == nullptr) return nullptr; |
| 1560 | | fn_call->data.fn_call_expr.params.append(lhs); |
| 1561 | | AstNode *rhs = trans_expr(c, ResultUsedYes, scope, ZigClangBinaryOperator_getRHS(stmt), TransLValue); |
| 1562 | | if (rhs == nullptr) return nullptr; |
| 1563 | | fn_call->data.fn_call_expr.params.append(rhs); |
| 1564 | | return maybe_suppress_result(c, result_used, fn_call); |
| 1565 | | } |
| 1566 | | case ZigClangBO_Rem: |
| 1567 | | if (qual_type_has_wrapping_overflow(c, ZigClangBinaryOperator_getType(stmt))) { |
| 1568 | | // unsigned/float division uses the operator |
| 1569 | | AstNode *node = trans_create_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), BinOpTypeMod, ZigClangBinaryOperator_getRHS(stmt)); |
| 1570 | | return maybe_suppress_result(c, result_used, node); |
| 1571 | | } else { |
| 1572 | | // signed integer division uses @rem |
| 1573 | | AstNode *fn_call = trans_create_node_builtin_fn_call_str(c, "rem"); |
| 1574 | | AstNode *lhs = trans_expr(c, ResultUsedYes, scope, ZigClangBinaryOperator_getLHS(stmt), TransLValue); |
| 1575 | | if (lhs == nullptr) return nullptr; |
| 1576 | | fn_call->data.fn_call_expr.params.append(lhs); |
| 1577 | | AstNode *rhs = trans_expr(c, ResultUsedYes, scope, ZigClangBinaryOperator_getRHS(stmt), TransLValue); |
| 1578 | | if (rhs == nullptr) return nullptr; |
| 1579 | | fn_call->data.fn_call_expr.params.append(rhs); |
| 1580 | | return maybe_suppress_result(c, result_used, fn_call); |
| 1581 | | } |
| 1582 | | case ZigClangBO_Add: { |
| 1583 | | AstNode *node = trans_create_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), |
| 1584 | | qual_type_has_wrapping_overflow(c, ZigClangBinaryOperator_getType(stmt)) ? BinOpTypeAddWrap : BinOpTypeAdd, |
| 1585 | | ZigClangBinaryOperator_getRHS(stmt)); |
| 1586 | | return maybe_suppress_result(c, result_used, node); |
| 1587 | | } |
| 1588 | | case ZigClangBO_Sub: { |
| 1589 | | AstNode *node = trans_create_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), |
| 1590 | | qual_type_has_wrapping_overflow(c, ZigClangBinaryOperator_getType(stmt)) ? BinOpTypeSubWrap : BinOpTypeSub, |
| 1591 | | ZigClangBinaryOperator_getRHS(stmt)); |
| 1592 | | return maybe_suppress_result(c, result_used, node); |
| 1593 | | } |
| 1594 | | case ZigClangBO_Shl: { |
| 1595 | | AstNode *node = trans_create_shift_op(c, scope, ZigClangBinaryOperator_getType(stmt), ZigClangBinaryOperator_getLHS(stmt), BinOpTypeBitShiftLeft, ZigClangBinaryOperator_getRHS(stmt)); |
| 1596 | | return maybe_suppress_result(c, result_used, node); |
| 1597 | | } |
| 1598 | | case ZigClangBO_Shr: { |
| 1599 | | AstNode *node = trans_create_shift_op(c, scope, ZigClangBinaryOperator_getType(stmt), ZigClangBinaryOperator_getLHS(stmt), BinOpTypeBitShiftRight, ZigClangBinaryOperator_getRHS(stmt)); |
| 1600 | | return maybe_suppress_result(c, result_used, node); |
| 1601 | | } |
| 1602 | | case ZigClangBO_LT: { |
| 1603 | | AstNode *node =trans_create_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), BinOpTypeCmpLessThan, ZigClangBinaryOperator_getRHS(stmt)); |
| 1604 | | return maybe_suppress_result(c, result_used, node); |
| 1605 | | } |
| 1606 | | case ZigClangBO_GT: { |
| 1607 | | AstNode *node = trans_create_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), BinOpTypeCmpGreaterThan, ZigClangBinaryOperator_getRHS(stmt)); |
| 1608 | | return maybe_suppress_result(c, result_used, node); |
| 1609 | | } |
| 1610 | | case ZigClangBO_LE: { |
| 1611 | | AstNode *node = trans_create_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), BinOpTypeCmpLessOrEq, ZigClangBinaryOperator_getRHS(stmt)); |
| 1612 | | return maybe_suppress_result(c, result_used, node); |
| 1613 | | } |
| 1614 | | case ZigClangBO_GE: { |
| 1615 | | AstNode *node = trans_create_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), BinOpTypeCmpGreaterOrEq, ZigClangBinaryOperator_getRHS(stmt)); |
| 1616 | | return maybe_suppress_result(c, result_used, node); |
| 1617 | | } |
| 1618 | | case ZigClangBO_EQ: { |
| 1619 | | AstNode *node = trans_create_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), BinOpTypeCmpEq, ZigClangBinaryOperator_getRHS(stmt)); |
| 1620 | | return maybe_suppress_result(c, result_used, node); |
| 1621 | | } |
| 1622 | | case ZigClangBO_NE: { |
| 1623 | | AstNode *node = trans_create_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), BinOpTypeCmpNotEq, ZigClangBinaryOperator_getRHS(stmt)); |
| 1624 | | return maybe_suppress_result(c, result_used, node); |
| 1625 | | } |
| 1626 | | case ZigClangBO_And: { |
| 1627 | | AstNode *node = trans_create_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), BinOpTypeBinAnd, ZigClangBinaryOperator_getRHS(stmt)); |
| 1628 | | return maybe_suppress_result(c, result_used, node); |
| 1629 | | } |
| 1630 | | case ZigClangBO_Xor: { |
| 1631 | | AstNode *node = trans_create_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), BinOpTypeBinXor, ZigClangBinaryOperator_getRHS(stmt)); |
| 1632 | | return maybe_suppress_result(c, result_used, node); |
| 1633 | | } |
| 1634 | | case ZigClangBO_Or: { |
| 1635 | | AstNode *node = trans_create_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), BinOpTypeBinOr, ZigClangBinaryOperator_getRHS(stmt)); |
| 1636 | | return maybe_suppress_result(c, result_used, node); |
| 1637 | | } |
| 1638 | | case ZigClangBO_LAnd: { |
| 1639 | | AstNode *node = trans_create_bool_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), BinOpTypeBoolAnd, ZigClangBinaryOperator_getRHS(stmt)); |
| 1640 | | return maybe_suppress_result(c, result_used, node); |
| 1641 | | } |
| 1642 | | case ZigClangBO_LOr: { |
| 1643 | | AstNode *node = trans_create_bool_bin_op(c, scope, ZigClangBinaryOperator_getLHS(stmt), BinOpTypeBoolOr, ZigClangBinaryOperator_getRHS(stmt)); |
| 1644 | | return maybe_suppress_result(c, result_used, node); |
| 1645 | | } |
| 1646 | | case ZigClangBO_Assign: |
| 1647 | | return trans_create_assign(c, result_used, scope, ZigClangBinaryOperator_getLHS(stmt), ZigClangBinaryOperator_getRHS(stmt)); |
| 1648 | | case ZigClangBO_Comma: |
| 1649 | | { |
| 1650 | | TransScopeBlock *scope_block = trans_scope_block_create(c, scope); |
| 1651 | | Buf *label_name = buf_create_from_str("x"); |
| 1652 | | scope_block->node->data.block.name = label_name; |
| 1653 | | |
| 1654 | | AstNode *lhs = trans_expr(c, ResultUsedNo, &scope_block->base, ZigClangBinaryOperator_getLHS(stmt), TransRValue); |
| 1655 | | if (lhs == nullptr) |
| 1656 | | return nullptr; |
| 1657 | | scope_block->node->data.block.statements.append(lhs); |
| 1658 | | |
| 1659 | | AstNode *rhs = trans_expr(c, ResultUsedYes, &scope_block->base, ZigClangBinaryOperator_getRHS(stmt), TransRValue); |
| 1660 | | if (rhs == nullptr) |
| 1661 | | return nullptr; |
| 1662 | | |
| 1663 | | rhs = trans_create_node_break(c, label_name, rhs); |
| 1664 | | scope_block->node->data.block.statements.append(rhs); |
| 1665 | | return maybe_suppress_result(c, result_used, scope_block->node); |
| 1666 | | } |
| 1667 | | case ZigClangBO_MulAssign: |
| 1668 | | case ZigClangBO_DivAssign: |
| 1669 | | case ZigClangBO_RemAssign: |
| 1670 | | case ZigClangBO_AddAssign: |
| 1671 | | case ZigClangBO_SubAssign: |
| 1672 | | case ZigClangBO_ShlAssign: |
| 1673 | | case ZigClangBO_ShrAssign: |
| 1674 | | case ZigClangBO_AndAssign: |
| 1675 | | case ZigClangBO_XorAssign: |
| 1676 | | case ZigClangBO_OrAssign: |
| 1677 | | zig_unreachable(); |
| 1678 | | } |
| 1679 | | |
| 1680 | | zig_unreachable(); |
| 1681 | | } |
| 1682 | | |
| 1683 | | static AstNode *trans_create_compound_assign_shift(Context *c, ResultUsed result_used, TransScope *scope, |
| 1684 | | const ZigClangCompoundAssignOperator *stmt, BinOpType assign_op, BinOpType bin_op) |
| 1685 | | { |
| 1686 | | ZigClangSourceLocation rhs_location = ZigClangExpr_getBeginLoc(ZigClangCompoundAssignOperator_getRHS(stmt)); |
| 1687 | | ZigClangQualType computation_lhs_type = ZigClangCompoundAssignOperator_getComputationLHSType(stmt); |
| 1688 | | AstNode *rhs_type = qual_type_to_log2_int_ref(c, computation_lhs_type, rhs_location); |
| 1689 | | ZigClangQualType computation_result_type = ZigClangCompoundAssignOperator_getComputationResultType(stmt); |
| 1690 | | |
| 1691 | | bool use_intermediate_casts = ZigClangQualType_getTypePtr(computation_lhs_type) != |
| 1692 | | ZigClangQualType_getTypePtr(computation_result_type); |
| 1693 | | if (!use_intermediate_casts && result_used == ResultUsedNo) { |
| 1694 | | // simple common case, where the C and Zig are identical: |
| 1695 | | // lhs >>= rhs |
| 1696 | | AstNode *lhs = trans_expr(c, ResultUsedYes, scope, ZigClangCompoundAssignOperator_getLHS(stmt), TransLValue); |
| 1697 | | if (lhs == nullptr) return nullptr; |
| 1698 | | |
| 1699 | | AstNode *rhs = trans_expr(c, ResultUsedYes, scope, ZigClangCompoundAssignOperator_getRHS(stmt), TransRValue); |
| 1700 | | if (rhs == nullptr) return nullptr; |
| 1701 | | AstNode *coerced_rhs = trans_create_node_cast(c, rhs_type, rhs); |
| 1702 | | |
| 1703 | | return trans_create_node_bin_op(c, lhs, assign_op, coerced_rhs); |
| 1704 | | } else { |
| 1705 | | // need more complexity. worst case, this looks like this: |
| 1706 | | // c: lhs >>= rhs |
| 1707 | | // zig: (x: { |
| 1708 | | // zig: const _ref = &lhs; |
| 1709 | | // zig: *_ref = result_type(operation_type(*_ref) >> u5(rhs)); |
| 1710 | | // zig: break :x *_ref |
| 1711 | | // zig: }) |
| 1712 | | // where u5 is the appropriate type |
| 1713 | | |
| 1714 | | TransScopeBlock *child_scope = trans_scope_block_create(c, scope); |
| 1715 | | Buf *label_name = buf_create_from_str("x"); |
| 1716 | | child_scope->node->data.block.name = label_name; |
| 1717 | | |
| 1718 | | // const _ref = &lhs; |
| 1719 | | AstNode *lhs = trans_expr(c, ResultUsedYes, &child_scope->base, |
| 1720 | | ZigClangCompoundAssignOperator_getLHS(stmt), TransLValue); |
| 1721 | | if (lhs == nullptr) return nullptr; |
| 1722 | | AstNode *addr_of_lhs = trans_create_node_addr_of(c, lhs); |
| 1723 | | // TODO: avoid name collisions with generated variable names |
| 1724 | | Buf* tmp_var_name = buf_create_from_str("_ref"); |
| 1725 | | AstNode *tmp_var_decl = trans_create_node_var_decl_local(c, true, tmp_var_name, nullptr, addr_of_lhs); |
| 1726 | | child_scope->node->data.block.statements.append(tmp_var_decl); |
| 1727 | | |
| 1728 | | // *_ref = result_type(operation_type(*_ref) >> u5(rhs)); |
| 1729 | | |
| 1730 | | AstNode *rhs = trans_expr(c, ResultUsedYes, &child_scope->base, ZigClangCompoundAssignOperator_getRHS(stmt), TransRValue); |
| 1731 | | if (rhs == nullptr) return nullptr; |
| 1732 | | AstNode *coerced_rhs = trans_create_node_cast(c, rhs_type, rhs); |
| 1733 | | |
| 1734 | | // operation_type(*_ref) |
| 1735 | | AstNode *operation_type_cast = trans_c_cast(c, rhs_location, |
| 1736 | | computation_lhs_type, |
| 1737 | | ZigClangExpr_getType(ZigClangCompoundAssignOperator_getLHS(stmt)), |
| 1738 | | trans_create_node_ptr_deref(c, trans_create_node_symbol(c, tmp_var_name))); |
| 1739 | | |
| 1740 | | // result_type(... >> u5(rhs)) |
| 1741 | | AstNode *result_type_cast = trans_c_cast(c, rhs_location, |
| 1742 | | computation_result_type, |
| 1743 | | computation_lhs_type, |
| 1744 | | trans_create_node_bin_op(c, |
| 1745 | | operation_type_cast, |
| 1746 | | bin_op, |
| 1747 | | coerced_rhs)); |
| 1748 | | |
| 1749 | | // *_ref = ... |
| 1750 | | AstNode *assign_statement = trans_create_node_bin_op(c, |
| 1751 | | trans_create_node_ptr_deref(c, |
| 1752 | | trans_create_node_symbol(c, tmp_var_name)), |
| 1753 | | BinOpTypeAssign, result_type_cast); |
| 1754 | | |
| 1755 | | child_scope->node->data.block.statements.append(assign_statement); |
| 1756 | | |
| 1757 | | if (result_used == ResultUsedYes) { |
| 1758 | | // break :x *_ref |
| 1759 | | child_scope->node->data.block.statements.append( |
| 1760 | | trans_create_node_break(c, label_name, |
| 1761 | | trans_create_node_ptr_deref(c, |
| 1762 | | trans_create_node_symbol(c, tmp_var_name)))); |
| 1763 | | } |
| 1764 | | |
| 1765 | | return trans_create_node_grouped_expr(c, child_scope->node); |
| 1766 | | } |
| 1767 | | } |
| 1768 | | |
| 1769 | | static AstNode *trans_create_compound_assign(Context *c, ResultUsed result_used, TransScope *scope, |
| 1770 | | const ZigClangCompoundAssignOperator *stmt, BinOpType assign_op, BinOpType bin_op) |
| 1771 | | { |
| 1772 | | if (result_used == ResultUsedNo) { |
| 1773 | | // simple common case, where the C and Zig are identical: |
| 1774 | | // lhs += rhs |
| 1775 | | AstNode *lhs = trans_expr(c, ResultUsedYes, scope, ZigClangCompoundAssignOperator_getLHS(stmt), TransLValue); |
| 1776 | | if (lhs == nullptr) return nullptr; |
| 1777 | | AstNode *rhs = trans_expr(c, ResultUsedYes, scope, ZigClangCompoundAssignOperator_getRHS(stmt), TransRValue); |
| 1778 | | if (rhs == nullptr) return nullptr; |
| 1779 | | return trans_create_node_bin_op(c, lhs, assign_op, rhs); |
| 1780 | | } else { |
| 1781 | | // need more complexity. worst case, this looks like this: |
| 1782 | | // c: lhs += rhs |
| 1783 | | // zig: (x: { |
| 1784 | | // zig: const _ref = &lhs; |
| 1785 | | // zig: *_ref = *_ref + rhs; |
| 1786 | | // zig: break :x *_ref |
| 1787 | | // zig: }) |
| 1788 | | |
| 1789 | | TransScopeBlock *child_scope = trans_scope_block_create(c, scope); |
| 1790 | | Buf *label_name = buf_create_from_str("x"); |
| 1791 | | child_scope->node->data.block.name = label_name; |
| 1792 | | |
| 1793 | | // const _ref = &lhs; |
| 1794 | | AstNode *lhs = trans_expr(c, ResultUsedYes, &child_scope->base, |
| 1795 | | ZigClangCompoundAssignOperator_getLHS(stmt), TransLValue); |
| 1796 | | if (lhs == nullptr) return nullptr; |
| 1797 | | AstNode *addr_of_lhs = trans_create_node_addr_of(c, lhs); |
| 1798 | | // TODO: avoid name collisions with generated variable names |
| 1799 | | Buf* tmp_var_name = buf_create_from_str("_ref"); |
| 1800 | | AstNode *tmp_var_decl = trans_create_node_var_decl_local(c, true, tmp_var_name, nullptr, addr_of_lhs); |
| 1801 | | child_scope->node->data.block.statements.append(tmp_var_decl); |
| 1802 | | |
| 1803 | | // *_ref = *_ref + rhs; |
| 1804 | | |
| 1805 | | AstNode *rhs = trans_expr(c, ResultUsedYes, &child_scope->base, |
| 1806 | | ZigClangCompoundAssignOperator_getRHS(stmt), TransRValue); |
| 1807 | | if (rhs == nullptr) return nullptr; |
| 1808 | | |
| 1809 | | AstNode *assign_statement = trans_create_node_bin_op(c, |
| 1810 | | trans_create_node_ptr_deref(c, |
| 1811 | | trans_create_node_symbol(c, tmp_var_name)), |
| 1812 | | BinOpTypeAssign, |
| 1813 | | trans_create_node_bin_op(c, |
| 1814 | | trans_create_node_ptr_deref(c, |
| 1815 | | trans_create_node_symbol(c, tmp_var_name)), |
| 1816 | | bin_op, |
| 1817 | | rhs)); |
| 1818 | | child_scope->node->data.block.statements.append(assign_statement); |
| 1819 | | |
| 1820 | | // break :x *_ref |
| 1821 | | child_scope->node->data.block.statements.append( |
| 1822 | | trans_create_node_break(c, label_name, |
| 1823 | | trans_create_node_ptr_deref(c, |
| 1824 | | trans_create_node_symbol(c, tmp_var_name)))); |
| 1825 | | |
| 1826 | | return trans_create_node_grouped_expr(c, child_scope->node); |
| 1827 | | } |
| 1828 | | } |
| 1829 | | |
| 1830 | | |
| 1831 | | static AstNode *trans_compound_assign_operator(Context *c, ResultUsed result_used, TransScope *scope, |
| 1832 | | const ZigClangCompoundAssignOperator *stmt) |
| 1833 | | { |
| 1834 | | switch (ZigClangCompoundAssignOperator_getOpcode(stmt)) { |
| 1835 | | case ZigClangBO_MulAssign: |
| 1836 | | if (qual_type_has_wrapping_overflow(c, ZigClangCompoundAssignOperator_getType(stmt))) |
| 1837 | | return trans_create_compound_assign(c, result_used, scope, stmt, BinOpTypeAssignTimesWrap, BinOpTypeMultWrap); |
| 1838 | | else |
| 1839 | | return trans_create_compound_assign(c, result_used, scope, stmt, BinOpTypeAssignTimes, BinOpTypeMult); |
| 1840 | | case ZigClangBO_DivAssign: |
| 1841 | | emit_warning(c, ZigClangCompoundAssignOperator_getBeginLoc(stmt), "TODO handle more C compound assign operators: BO_DivAssign"); |
| 1842 | | return nullptr; |
| 1843 | | case ZigClangBO_RemAssign: |
| 1844 | | emit_warning(c, ZigClangCompoundAssignOperator_getBeginLoc(stmt), "TODO handle more C compound assign operators: BO_RemAssign"); |
| 1845 | | return nullptr; |
| 1846 | | case ZigClangBO_Cmp: |
| 1847 | | emit_warning(c, ZigClangCompoundAssignOperator_getBeginLoc(stmt), "TODO handle more C compound assign operators: BO_Cmp"); |
| 1848 | | return nullptr; |
| 1849 | | case ZigClangBO_AddAssign: |
| 1850 | | if (qual_type_has_wrapping_overflow(c, ZigClangCompoundAssignOperator_getType(stmt))) |
| 1851 | | return trans_create_compound_assign(c, result_used, scope, stmt, BinOpTypeAssignPlusWrap, BinOpTypeAddWrap); |
| 1852 | | else |
| 1853 | | return trans_create_compound_assign(c, result_used, scope, stmt, BinOpTypeAssignPlus, BinOpTypeAdd); |
| 1854 | | case ZigClangBO_SubAssign: |
| 1855 | | if (qual_type_has_wrapping_overflow(c, ZigClangCompoundAssignOperator_getType(stmt))) |
| 1856 | | return trans_create_compound_assign(c, result_used, scope, stmt, BinOpTypeAssignMinusWrap, BinOpTypeSubWrap); |
| 1857 | | else |
| 1858 | | return trans_create_compound_assign(c, result_used, scope, stmt, BinOpTypeAssignMinus, BinOpTypeSub); |
| 1859 | | case ZigClangBO_ShlAssign: |
| 1860 | | return trans_create_compound_assign_shift(c, result_used, scope, stmt, BinOpTypeAssignBitShiftLeft, BinOpTypeBitShiftLeft); |
| 1861 | | case ZigClangBO_ShrAssign: |
| 1862 | | return trans_create_compound_assign_shift(c, result_used, scope, stmt, BinOpTypeAssignBitShiftRight, BinOpTypeBitShiftRight); |
| 1863 | | case ZigClangBO_AndAssign: |
| 1864 | | return trans_create_compound_assign(c, result_used, scope, stmt, BinOpTypeAssignBitAnd, BinOpTypeBinAnd); |
| 1865 | | case ZigClangBO_XorAssign: |
| 1866 | | return trans_create_compound_assign(c, result_used, scope, stmt, BinOpTypeAssignBitXor, BinOpTypeBinXor); |
| 1867 | | case ZigClangBO_OrAssign: |
| 1868 | | return trans_create_compound_assign(c, result_used, scope, stmt, BinOpTypeAssignBitOr, BinOpTypeBinOr); |
| 1869 | | case ZigClangBO_PtrMemD: |
| 1870 | | case ZigClangBO_PtrMemI: |
| 1871 | | case ZigClangBO_Assign: |
| 1872 | | case ZigClangBO_Mul: |
| 1873 | | case ZigClangBO_Div: |
| 1874 | | case ZigClangBO_Rem: |
| 1875 | | case ZigClangBO_Add: |
| 1876 | | case ZigClangBO_Sub: |
| 1877 | | case ZigClangBO_Shl: |
| 1878 | | case ZigClangBO_Shr: |
| 1879 | | case ZigClangBO_LT: |
| 1880 | | case ZigClangBO_GT: |
| 1881 | | case ZigClangBO_LE: |
| 1882 | | case ZigClangBO_GE: |
| 1883 | | case ZigClangBO_EQ: |
| 1884 | | case ZigClangBO_NE: |
| 1885 | | case ZigClangBO_And: |
| 1886 | | case ZigClangBO_Xor: |
| 1887 | | case ZigClangBO_Or: |
| 1888 | | case ZigClangBO_LAnd: |
| 1889 | | case ZigClangBO_LOr: |
| 1890 | | case ZigClangBO_Comma: |
| 1891 | | zig_unreachable(); |
| 1892 | | } |
| 1893 | | |
| 1894 | | zig_unreachable(); |
| 1895 | | } |
| 1896 | | |
| 1897 | | static AstNode *trans_implicit_cast_expr(Context *c, ResultUsed result_used, TransScope *scope, |
| 1898 | | const ZigClangImplicitCastExpr *stmt) |
| 1899 | | { |
| 1900 | | switch (ZigClangImplicitCastExpr_getCastKind(stmt)) { |
| 1901 | | case ZigClangCK_LValueToRValue: |
| 1902 | | return trans_expr(c, ResultUsedYes, scope, ZigClangImplicitCastExpr_getSubExpr(stmt), TransRValue); |
| 1903 | | case ZigClangCK_IntegralCast: |
| 1904 | | { |
| 1905 | | AstNode *target_node = trans_expr(c, ResultUsedYes, scope, ZigClangImplicitCastExpr_getSubExpr(stmt), TransRValue); |
| 1906 | | if (target_node == nullptr) |
| 1907 | | return nullptr; |
| 1908 | | AstNode *node = trans_c_cast(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), |
| 1909 | | ZigClangExpr_getType(reinterpret_cast<const ZigClangExpr *>(stmt)), |
| 1910 | | ZigClangExpr_getType(ZigClangImplicitCastExpr_getSubExpr(stmt)), |
| 1911 | | target_node); |
| 1912 | | return maybe_suppress_result(c, result_used, node); |
| 1913 | | } |
| 1914 | | case ZigClangCK_FunctionToPointerDecay: |
| 1915 | | case ZigClangCK_ArrayToPointerDecay: |
| 1916 | | { |
| 1917 | | AstNode *target_node = trans_expr(c, ResultUsedYes, scope, ZigClangImplicitCastExpr_getSubExpr(stmt), TransRValue); |
| 1918 | | if (target_node == nullptr) |
| 1919 | | return nullptr; |
| 1920 | | return maybe_suppress_result(c, result_used, target_node); |
| 1921 | | } |
| 1922 | | case ZigClangCK_BitCast: |
| 1923 | | { |
| 1924 | | AstNode *target_node = trans_expr(c, ResultUsedYes, scope, ZigClangImplicitCastExpr_getSubExpr(stmt), TransRValue); |
| 1925 | | if (target_node == nullptr) |
| 1926 | | return nullptr; |
| 1927 | | |
| 1928 | | const ZigClangQualType dest_type = get_expr_qual_type(c, reinterpret_cast<const ZigClangExpr *>(stmt)); |
| 1929 | | const ZigClangQualType src_type = get_expr_qual_type(c, ZigClangImplicitCastExpr_getSubExpr(stmt)); |
| 1930 | | |
| 1931 | | return trans_c_cast(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), |
| 1932 | | dest_type, src_type, target_node); |
| 1933 | | } |
| 1934 | | case ZigClangCK_NullToPointer: |
| 1935 | | return trans_create_node(c, NodeTypeNullLiteral); |
| 1936 | | case ZigClangCK_NoOp: |
| 1937 | | return trans_expr(c, ResultUsedYes, scope, ZigClangImplicitCastExpr_getSubExpr(stmt), TransRValue); |
| 1938 | | case ZigClangCK_Dependent: |
| 1939 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C translation cast CK_Dependent"); |
| 1940 | | return nullptr; |
| 1941 | | case ZigClangCK_LValueBitCast: |
| 1942 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C translation cast CK_LValueBitCast"); |
| 1943 | | return nullptr; |
| 1944 | | case ZigClangCK_BaseToDerived: |
| 1945 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C translation cast CK_BaseToDerived"); |
| 1946 | | return nullptr; |
| 1947 | | case ZigClangCK_DerivedToBase: |
| 1948 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C translation cast CK_DerivedToBase"); |
| 1949 | | return nullptr; |
| 1950 | | case ZigClangCK_UncheckedDerivedToBase: |
| 1951 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C translation cast CK_UncheckedDerivedToBase"); |
| 1952 | | return nullptr; |
| 1953 | | case ZigClangCK_Dynamic: |
| 1954 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C translation cast CK_Dynamic"); |
| 1955 | | return nullptr; |
| 1956 | | case ZigClangCK_ToUnion: |
| 1957 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C translation cast CK_ToUnion"); |
| 1958 | | return nullptr; |
| 1959 | | case ZigClangCK_NullToMemberPointer: |
| 1960 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C translation cast CK_NullToMemberPointer"); |
| 1961 | | return nullptr; |
| 1962 | | case ZigClangCK_BaseToDerivedMemberPointer: |
| 1963 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C translation cast CK_BaseToDerivedMemberPointer"); |
| 1964 | | return nullptr; |
| 1965 | | case ZigClangCK_DerivedToBaseMemberPointer: |
| 1966 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C translation cast CK_DerivedToBaseMemberPointer"); |
| 1967 | | return nullptr; |
| 1968 | | case ZigClangCK_MemberPointerToBoolean: |
| 1969 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C translation cast CK_MemberPointerToBoolean"); |
| 1970 | | return nullptr; |
| 1971 | | case ZigClangCK_ReinterpretMemberPointer: |
| 1972 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C translation cast CK_ReinterpretMemberPointer"); |
| 1973 | | return nullptr; |
| 1974 | | case ZigClangCK_UserDefinedConversion: |
| 1975 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C translation cast CK_UserDefinedConversion"); |
| 1976 | | return nullptr; |
| 1977 | | case ZigClangCK_ConstructorConversion: |
| 1978 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_ConstructorConversion"); |
| 1979 | | return nullptr; |
| 1980 | | case ZigClangCK_PointerToBoolean: |
| 1981 | | { |
| 1982 | | const ZigClangExpr *expr = ZigClangImplicitCastExpr_getSubExpr(stmt); |
| 1983 | | AstNode *val = trans_expr(c, ResultUsedYes, scope, expr, TransRValue); |
| 1984 | | if (val == nullptr) |
| 1985 | | return nullptr; |
| 1986 | | |
| 1987 | | AstNode *val_ptr = trans_create_node_builtin_fn_call_str(c, "ptrToInt"); |
| 1988 | | val_ptr->data.fn_call_expr.params.append(val); |
| 1989 | | |
| 1990 | | AstNode *zero = trans_create_node_unsigned(c, 0); |
| 1991 | | |
| 1992 | | // Translate as @ptrToInt((&val) != 0) |
| 1993 | | return trans_create_node_bin_op(c, val_ptr, BinOpTypeCmpNotEq, zero); |
| 1994 | | } |
| 1995 | | case ZigClangCK_ToVoid: |
| 1996 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_ToVoid"); |
| 1997 | | return nullptr; |
| 1998 | | case ZigClangCK_VectorSplat: |
| 1999 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_VectorSplat"); |
| 2000 | | return nullptr; |
| 2001 | | case ZigClangCK_IntegralToBoolean: |
| 2002 | | { |
| 2003 | | const ZigClangExpr *expr = ZigClangImplicitCastExpr_getSubExpr(stmt); |
| 2004 | | |
| 2005 | | bool expr_val; |
| 2006 | | if (ZigClangExpr_EvaluateAsBooleanCondition(expr, &expr_val, c->ctx, false)) { |
| 2007 | | return trans_create_node_bool(c, expr_val); |
| 2008 | | } |
| 2009 | | |
| 2010 | | AstNode *val = trans_expr(c, ResultUsedYes, scope, expr, TransRValue); |
| 2011 | | if (val == nullptr) |
| 2012 | | return nullptr; |
| 2013 | | |
| 2014 | | AstNode *zero = trans_create_node_unsigned(c, 0); |
| 2015 | | |
| 2016 | | // Translate as val != 0 |
| 2017 | | return trans_create_node_bin_op(c, val, BinOpTypeCmpNotEq, zero); |
| 2018 | | } |
| 2019 | | case ZigClangCK_PointerToIntegral: |
| 2020 | | { |
| 2021 | | AstNode *target_node = trans_expr(c, ResultUsedYes, scope, ZigClangImplicitCastExpr_getSubExpr(stmt), TransRValue); |
| 2022 | | if (target_node == nullptr) |
| 2023 | | return nullptr; |
| 2024 | | |
| 2025 | | AstNode *dest_type_node = get_expr_type(c, (const ZigClangExpr *)stmt); |
| 2026 | | if (dest_type_node == nullptr) |
| 2027 | | return nullptr; |
| 2028 | | |
| 2029 | | AstNode *val_node = trans_create_node_builtin_fn_call_str(c, "ptrToInt"); |
| 2030 | | val_node->data.fn_call_expr.params.append(target_node); |
| 2031 | | // @ptrToInt always returns a usize |
| 2032 | | AstNode *node = trans_create_node_builtin_fn_call_str(c, "intCast"); |
| 2033 | | node->data.fn_call_expr.params.append(dest_type_node); |
| 2034 | | node->data.fn_call_expr.params.append(val_node); |
| 2035 | | |
| 2036 | | return maybe_suppress_result(c, result_used, node); |
| 2037 | | } |
| 2038 | | case ZigClangCK_IntegralToPointer: |
| 2039 | | { |
| 2040 | | AstNode *target_node = trans_expr(c, ResultUsedYes, scope, ZigClangImplicitCastExpr_getSubExpr(stmt), TransRValue); |
| 2041 | | if (target_node == nullptr) |
| 2042 | | return nullptr; |
| 2043 | | |
| 2044 | | AstNode *dest_type_node = get_expr_type(c, (const ZigClangExpr *)stmt); |
| 2045 | | if (dest_type_node == nullptr) |
| 2046 | | return nullptr; |
| 2047 | | |
| 2048 | | AstNode *node = trans_create_node_builtin_fn_call_str(c, "intToPtr"); |
| 2049 | | node->data.fn_call_expr.params.append(dest_type_node); |
| 2050 | | node->data.fn_call_expr.params.append(target_node); |
| 2051 | | |
| 2052 | | return maybe_suppress_result(c, result_used, node); |
| 2053 | | } |
| 2054 | | case ZigClangCK_IntegralToFloating: |
| 2055 | | case ZigClangCK_FloatingToIntegral: |
| 2056 | | { |
| 2057 | | AstNode *target_node = trans_expr(c, ResultUsedYes, scope, ZigClangImplicitCastExpr_getSubExpr(stmt), TransRValue); |
| 2058 | | if (target_node == nullptr) |
| 2059 | | return nullptr; |
| 2060 | | |
| 2061 | | AstNode *dest_type_node = get_expr_type(c, (const ZigClangExpr *)stmt); |
| 2062 | | if (dest_type_node == nullptr) |
| 2063 | | return nullptr; |
| 2064 | | |
| 2065 | | char const *fn = (ZigClangImplicitCastExpr_getCastKind(stmt) == ZigClangCK_IntegralToFloating) ? |
| 2066 | | "intToFloat" : "floatToInt"; |
| 2067 | | AstNode *node = trans_create_node_builtin_fn_call_str(c, fn); |
| 2068 | | node->data.fn_call_expr.params.append(dest_type_node); |
| 2069 | | node->data.fn_call_expr.params.append(target_node); |
| 2070 | | |
| 2071 | | return maybe_suppress_result(c, result_used, node); |
| 2072 | | } |
| 2073 | | case ZigClangCK_FixedPointCast: |
| 2074 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_FixedPointCast"); |
| 2075 | | return nullptr; |
| 2076 | | case ZigClangCK_FixedPointToBoolean: |
| 2077 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_FixedPointToBoolean"); |
| 2078 | | return nullptr; |
| 2079 | | case ZigClangCK_FloatingToBoolean: |
| 2080 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_FloatingToBoolean"); |
| 2081 | | return nullptr; |
| 2082 | | case ZigClangCK_BooleanToSignedIntegral: |
| 2083 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_BooleanToSignedIntegral"); |
| 2084 | | return nullptr; |
| 2085 | | case ZigClangCK_FloatingCast: |
| 2086 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_FloatingCast"); |
| 2087 | | return nullptr; |
| 2088 | | case ZigClangCK_CPointerToObjCPointerCast: |
| 2089 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_CPointerToObjCPointerCast"); |
| 2090 | | return nullptr; |
| 2091 | | case ZigClangCK_BlockPointerToObjCPointerCast: |
| 2092 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_BlockPointerToObjCPointerCast"); |
| 2093 | | return nullptr; |
| 2094 | | case ZigClangCK_AnyPointerToBlockPointerCast: |
| 2095 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_AnyPointerToBlockPointerCast"); |
| 2096 | | return nullptr; |
| 2097 | | case ZigClangCK_ObjCObjectLValueCast: |
| 2098 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_ObjCObjectLValueCast"); |
| 2099 | | return nullptr; |
| 2100 | | case ZigClangCK_FloatingRealToComplex: |
| 2101 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_FloatingRealToComplex"); |
| 2102 | | return nullptr; |
| 2103 | | case ZigClangCK_FloatingComplexToReal: |
| 2104 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_FloatingComplexToReal"); |
| 2105 | | return nullptr; |
| 2106 | | case ZigClangCK_FloatingComplexToBoolean: |
| 2107 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_FloatingComplexToBoolean"); |
| 2108 | | return nullptr; |
| 2109 | | case ZigClangCK_FloatingComplexCast: |
| 2110 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_FloatingComplexCast"); |
| 2111 | | return nullptr; |
| 2112 | | case ZigClangCK_FloatingComplexToIntegralComplex: |
| 2113 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_FloatingComplexToIntegralComplex"); |
| 2114 | | return nullptr; |
| 2115 | | case ZigClangCK_IntegralRealToComplex: |
| 2116 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_IntegralRealToComplex"); |
| 2117 | | return nullptr; |
| 2118 | | case ZigClangCK_IntegralComplexToReal: |
| 2119 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_IntegralComplexToReal"); |
| 2120 | | return nullptr; |
| 2121 | | case ZigClangCK_IntegralComplexToBoolean: |
| 2122 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_IntegralComplexToBoolean"); |
| 2123 | | return nullptr; |
| 2124 | | case ZigClangCK_IntegralComplexCast: |
| 2125 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_IntegralComplexCast"); |
| 2126 | | return nullptr; |
| 2127 | | case ZigClangCK_IntegralComplexToFloatingComplex: |
| 2128 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_IntegralComplexToFloatingComplex"); |
| 2129 | | return nullptr; |
| 2130 | | case ZigClangCK_ARCProduceObject: |
| 2131 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_ARCProduceObject"); |
| 2132 | | return nullptr; |
| 2133 | | case ZigClangCK_ARCConsumeObject: |
| 2134 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_ARCConsumeObject"); |
| 2135 | | return nullptr; |
| 2136 | | case ZigClangCK_ARCReclaimReturnedObject: |
| 2137 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_ARCReclaimReturnedObject"); |
| 2138 | | return nullptr; |
| 2139 | | case ZigClangCK_ARCExtendBlockObject: |
| 2140 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_ARCExtendBlockObject"); |
| 2141 | | return nullptr; |
| 2142 | | case ZigClangCK_AtomicToNonAtomic: |
| 2143 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_AtomicToNonAtomic"); |
| 2144 | | return nullptr; |
| 2145 | | case ZigClangCK_NonAtomicToAtomic: |
| 2146 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_NonAtomicToAtomic"); |
| 2147 | | return nullptr; |
| 2148 | | case ZigClangCK_CopyAndAutoreleaseBlockObject: |
| 2149 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_CopyAndAutoreleaseBlockObject"); |
| 2150 | | return nullptr; |
| 2151 | | case ZigClangCK_BuiltinFnToFnPtr: |
| 2152 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_BuiltinFnToFnPtr"); |
| 2153 | | return nullptr; |
| 2154 | | case ZigClangCK_ZeroToOCLOpaqueType: |
| 2155 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_ZeroToOCLOpaqueType"); |
| 2156 | | return nullptr; |
| 2157 | | case ZigClangCK_AddressSpaceConversion: |
| 2158 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_AddressSpaceConversion"); |
| 2159 | | return nullptr; |
| 2160 | | case ZigClangCK_IntToOCLSampler: |
| 2161 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_IntToOCLSampler"); |
| 2162 | | return nullptr; |
| 2163 | | case ZigClangCK_LValueToRValueBitCast: |
| 2164 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_LValueToRValueBitCast"); |
| 2165 | | return nullptr; |
| 2166 | | case ZigClangCK_FixedPointToIntegral: |
| 2167 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_FixedPointToIntegral"); |
| 2168 | | return nullptr; |
| 2169 | | case ZigClangCK_IntegralToFixedPoint: |
| 2170 | | emit_warning(c, ZigClangImplicitCastExpr_getBeginLoc(stmt), "TODO handle C CK_IntegralToFixedPointral"); |
| 2171 | | return nullptr; |
| 2172 | | } |
| 2173 | | zig_unreachable(); |
| 2174 | | } |
| 2175 | | |
| 2176 | | static AstNode *trans_decl_ref_expr(Context *c, TransScope *scope, const ZigClangDeclRefExpr *stmt, TransLRValue lrval) { |
| 2177 | | const ZigClangValueDecl *value_decl = ZigClangDeclRefExpr_getDecl(stmt); |
| 2178 | | Buf *c_symbol_name = buf_create_from_str(ZigClangDecl_getName_bytes_begin((const ZigClangDecl *)value_decl)); |
| 2179 | | Buf *zig_symbol_name = trans_lookup_zig_symbol(c, scope, c_symbol_name); |
| 2180 | | if (lrval == TransLValue) { |
| 2181 | | c->ptr_params.put(zig_symbol_name, true); |
| 2182 | | } |
| 2183 | | return trans_create_node_symbol(c, zig_symbol_name); |
| 2184 | | } |
| 2185 | | |
| 2186 | | static AstNode *trans_create_post_crement(Context *c, ResultUsed result_used, TransScope *scope, |
| 2187 | | const ZigClangUnaryOperator *stmt, BinOpType assign_op) |
| 2188 | | { |
| 2189 | | const ZigClangExpr *op_expr = ZigClangUnaryOperator_getSubExpr(stmt); |
| 2190 | | |
| 2191 | | if (result_used == ResultUsedNo) { |
| 2192 | | // common case |
| 2193 | | // c: expr++ |
| 2194 | | // zig: expr += 1 |
| 2195 | | return trans_create_node_bin_op(c, |
| 2196 | | trans_expr(c, ResultUsedYes, scope, op_expr, TransLValue), |
| 2197 | | assign_op, |
| 2198 | | trans_create_node_unsigned(c, 1)); |
| 2199 | | } |
| 2200 | | // worst case |
| 2201 | | // c: expr++ |
| 2202 | | // zig: (x: { |
| 2203 | | // zig: const _ref = &expr; |
| 2204 | | // zig: const _tmp = *_ref; |
| 2205 | | // zig: *_ref += 1; |
| 2206 | | // zig: break :x _tmp |
| 2207 | | // zig: }) |
| 2208 | | TransScopeBlock *child_scope = trans_scope_block_create(c, scope); |
| 2209 | | Buf *label_name = buf_create_from_str("x"); |
| 2210 | | child_scope->node->data.block.name = label_name; |
| 2211 | | |
| 2212 | | // const _ref = &expr; |
| 2213 | | AstNode *expr = trans_expr(c, ResultUsedYes, &child_scope->base, op_expr, TransLValue); |
| 2214 | | if (expr == nullptr) return nullptr; |
| 2215 | | AstNode *addr_of_expr = trans_create_node_addr_of(c, expr); |
| 2216 | | // TODO: avoid name collisions with generated variable names |
| 2217 | | Buf* ref_var_name = buf_create_from_str("_ref"); |
| 2218 | | AstNode *ref_var_decl = trans_create_node_var_decl_local(c, true, ref_var_name, nullptr, addr_of_expr); |
| 2219 | | child_scope->node->data.block.statements.append(ref_var_decl); |
| 2220 | | |
| 2221 | | // const _tmp = *_ref; |
| 2222 | | Buf* tmp_var_name = buf_create_from_str("_tmp"); |
| 2223 | | AstNode *tmp_var_decl = trans_create_node_var_decl_local(c, true, tmp_var_name, nullptr, |
| 2224 | | trans_create_node_ptr_deref(c, |
| 2225 | | trans_create_node_symbol(c, ref_var_name))); |
| 2226 | | child_scope->node->data.block.statements.append(tmp_var_decl); |
| 2227 | | |
| 2228 | | // *_ref += 1; |
| 2229 | | AstNode *assign_statement = trans_create_node_bin_op(c, |
| 2230 | | trans_create_node_ptr_deref(c, |
| 2231 | | trans_create_node_symbol(c, ref_var_name)), |
| 2232 | | assign_op, |
| 2233 | | trans_create_node_unsigned(c, 1)); |
| 2234 | | child_scope->node->data.block.statements.append(assign_statement); |
| 2235 | | |
| 2236 | | // break :x _tmp |
| 2237 | | child_scope->node->data.block.statements.append(trans_create_node_break(c, label_name, trans_create_node_symbol(c, tmp_var_name))); |
| 2238 | | |
| 2239 | | return trans_create_node_grouped_expr(c, child_scope->node); |
| 2240 | | } |
| 2241 | | |
| 2242 | | static AstNode *trans_create_pre_crement(Context *c, ResultUsed result_used, TransScope *scope, |
| 2243 | | const ZigClangUnaryOperator *stmt, BinOpType assign_op) |
| 2244 | | { |
| 2245 | | const ZigClangExpr *op_expr = ZigClangUnaryOperator_getSubExpr(stmt); |
| 2246 | | |
| 2247 | | if (result_used == ResultUsedNo) { |
| 2248 | | // common case |
| 2249 | | // c: ++expr |
| 2250 | | // zig: expr += 1 |
| 2251 | | return trans_create_node_bin_op(c, |
| 2252 | | trans_expr(c, ResultUsedYes, scope, op_expr, TransLValue), |
| 2253 | | assign_op, |
| 2254 | | trans_create_node_unsigned(c, 1)); |
| 2255 | | } |
| 2256 | | // worst case |
| 2257 | | // c: ++expr |
| 2258 | | // zig: (x: { |
| 2259 | | // zig: const _ref = &expr; |
| 2260 | | // zig: *_ref += 1; |
| 2261 | | // zig: break :x *_ref |
| 2262 | | // zig: }) |
| 2263 | | TransScopeBlock *child_scope = trans_scope_block_create(c, scope); |
| 2264 | | Buf *label_name = buf_create_from_str("x"); |
| 2265 | | child_scope->node->data.block.name = label_name; |
| 2266 | | |
| 2267 | | // const _ref = &expr; |
| 2268 | | AstNode *expr = trans_expr(c, ResultUsedYes, &child_scope->base, op_expr, TransLValue); |
| 2269 | | if (expr == nullptr) return nullptr; |
| 2270 | | AstNode *addr_of_expr = trans_create_node_addr_of(c, expr); |
| 2271 | | // TODO: avoid name collisions with generated variable names |
| 2272 | | Buf* ref_var_name = buf_create_from_str("_ref"); |
| 2273 | | AstNode *ref_var_decl = trans_create_node_var_decl_local(c, true, ref_var_name, nullptr, addr_of_expr); |
| 2274 | | child_scope->node->data.block.statements.append(ref_var_decl); |
| 2275 | | |
| 2276 | | // *_ref += 1; |
| 2277 | | AstNode *assign_statement = trans_create_node_bin_op(c, |
| 2278 | | trans_create_node_ptr_deref(c, |
| 2279 | | trans_create_node_symbol(c, ref_var_name)), |
| 2280 | | assign_op, |
| 2281 | | trans_create_node_unsigned(c, 1)); |
| 2282 | | child_scope->node->data.block.statements.append(assign_statement); |
| 2283 | | |
| 2284 | | // break :x *_ref |
| 2285 | | AstNode *deref_expr = trans_create_node_ptr_deref(c, |
| 2286 | | trans_create_node_symbol(c, ref_var_name)); |
| 2287 | | child_scope->node->data.block.statements.append(trans_create_node_break(c, label_name, deref_expr)); |
| 2288 | | |
| 2289 | | return trans_create_node_grouped_expr(c, child_scope->node); |
| 2290 | | } |
| 2291 | | |
| 2292 | | static AstNode *trans_unary_operator(Context *c, ResultUsed result_used, TransScope *scope, |
| 2293 | | const ZigClangUnaryOperator *stmt) |
| 2294 | | { |
| 2295 | | switch (ZigClangUnaryOperator_getOpcode(stmt)) { |
| 2296 | | case ZigClangUO_PostInc: |
| 2297 | | if (qual_type_has_wrapping_overflow(c, ZigClangUnaryOperator_getType(stmt))) |
| 2298 | | return trans_create_post_crement(c, result_used, scope, stmt, BinOpTypeAssignPlusWrap); |
| 2299 | | else |
| 2300 | | return trans_create_post_crement(c, result_used, scope, stmt, BinOpTypeAssignPlus); |
| 2301 | | case ZigClangUO_PostDec: |
| 2302 | | if (qual_type_has_wrapping_overflow(c, ZigClangUnaryOperator_getType(stmt))) |
| 2303 | | return trans_create_post_crement(c, result_used, scope, stmt, BinOpTypeAssignMinusWrap); |
| 2304 | | else |
| 2305 | | return trans_create_post_crement(c, result_used, scope, stmt, BinOpTypeAssignMinus); |
| 2306 | | case ZigClangUO_PreInc: |
| 2307 | | if (qual_type_has_wrapping_overflow(c, ZigClangUnaryOperator_getType(stmt))) |
| 2308 | | return trans_create_pre_crement(c, result_used, scope, stmt, BinOpTypeAssignPlusWrap); |
| 2309 | | else |
| 2310 | | return trans_create_pre_crement(c, result_used, scope, stmt, BinOpTypeAssignPlus); |
| 2311 | | case ZigClangUO_PreDec: |
| 2312 | | if (qual_type_has_wrapping_overflow(c, ZigClangUnaryOperator_getType(stmt))) |
| 2313 | | return trans_create_pre_crement(c, result_used, scope, stmt, BinOpTypeAssignMinusWrap); |
| 2314 | | else |
| 2315 | | return trans_create_pre_crement(c, result_used, scope, stmt, BinOpTypeAssignMinus); |
| 2316 | | case ZigClangUO_AddrOf: |
| 2317 | | { |
| 2318 | | AstNode *value_node = trans_expr(c, result_used, scope, ZigClangUnaryOperator_getSubExpr(stmt), TransLValue); |
| 2319 | | if (value_node == nullptr) |
| 2320 | | return value_node; |
| 2321 | | return trans_create_node_addr_of(c, value_node); |
| 2322 | | } |
| 2323 | | case ZigClangUO_Deref: |
| 2324 | | { |
| 2325 | | AstNode *value_node = trans_expr(c, result_used, scope, ZigClangUnaryOperator_getSubExpr(stmt), TransRValue); |
| 2326 | | if (value_node == nullptr) |
| 2327 | | return nullptr; |
| 2328 | | bool is_fn_ptr = qual_type_is_fn_ptr(ZigClangExpr_getType(ZigClangUnaryOperator_getSubExpr(stmt))); |
| 2329 | | if (is_fn_ptr) |
| 2330 | | return value_node; |
| 2331 | | AstNode *unwrapped = trans_create_node_unwrap_null(c, value_node); |
| 2332 | | return trans_create_node_ptr_deref(c, unwrapped); |
| 2333 | | } |
| 2334 | | case ZigClangUO_Plus: |
| 2335 | | emit_warning(c, ZigClangUnaryOperator_getBeginLoc(stmt), "TODO handle C translation UO_Plus"); |
| 2336 | | return nullptr; |
| 2337 | | case ZigClangUO_Minus: |
| 2338 | | { |
| 2339 | | const ZigClangExpr *op_expr = ZigClangUnaryOperator_getSubExpr(stmt); |
| 2340 | | if (!qual_type_has_wrapping_overflow(c, ZigClangExpr_getType(op_expr))) { |
| 2341 | | AstNode *node = trans_create_node(c, NodeTypePrefixOpExpr); |
| 2342 | | node->data.prefix_op_expr.prefix_op = PrefixOpNegation; |
| 2343 | | |
| 2344 | | node->data.prefix_op_expr.primary_expr = trans_expr(c, ResultUsedYes, scope, op_expr, TransRValue); |
| 2345 | | if (node->data.prefix_op_expr.primary_expr == nullptr) |
| 2346 | | return nullptr; |
| 2347 | | |
| 2348 | | return node; |
| 2349 | | } else if (c_is_unsigned_integer(c, ZigClangExpr_getType(op_expr))) { |
| 2350 | | // we gotta emit 0 -% x |
| 2351 | | AstNode *node = trans_create_node(c, NodeTypeBinOpExpr); |
| 2352 | | node->data.bin_op_expr.op1 = trans_create_node_unsigned(c, 0); |
| 2353 | | |
| 2354 | | node->data.bin_op_expr.op2 = trans_expr(c, ResultUsedYes, scope, op_expr, TransRValue); |
| 2355 | | if (node->data.bin_op_expr.op2 == nullptr) |
| 2356 | | return nullptr; |
| 2357 | | |
| 2358 | | node->data.bin_op_expr.bin_op = BinOpTypeSubWrap; |
| 2359 | | return node; |
| 2360 | | } else { |
| 2361 | | emit_warning(c, ZigClangUnaryOperator_getBeginLoc(stmt), "C negation with non float non integer"); |
| 2362 | | return nullptr; |
| 2363 | | } |
| 2364 | | } |
| 2365 | | case ZigClangUO_Not: |
| 2366 | | { |
| 2367 | | const ZigClangExpr *op_expr = ZigClangUnaryOperator_getSubExpr(stmt); |
| 2368 | | AstNode *sub_node = trans_expr(c, ResultUsedYes, scope, op_expr, TransRValue); |
| 2369 | | if (sub_node == nullptr) |
| 2370 | | return nullptr; |
| 2371 | | |
| 2372 | | return trans_create_node_prefix_op(c, PrefixOpBinNot, sub_node); |
| 2373 | | } |
| 2374 | | case ZigClangUO_LNot: |
| 2375 | | { |
| 2376 | | const ZigClangExpr *op_expr = ZigClangUnaryOperator_getSubExpr(stmt); |
| 2377 | | AstNode *sub_node = trans_bool_expr(c, ResultUsedYes, scope, op_expr, TransRValue); |
| 2378 | | if (sub_node == nullptr) |
| 2379 | | return nullptr; |
| 2380 | | |
| 2381 | | return trans_create_node_prefix_op(c, PrefixOpBoolNot, sub_node); |
| 2382 | | } |
| 2383 | | case ZigClangUO_Real: |
| 2384 | | emit_warning(c, ZigClangUnaryOperator_getBeginLoc(stmt), "TODO handle C translation UO_Real"); |
| 2385 | | return nullptr; |
| 2386 | | case ZigClangUO_Imag: |
| 2387 | | emit_warning(c, ZigClangUnaryOperator_getBeginLoc(stmt), "TODO handle C translation UO_Imag"); |
| 2388 | | return nullptr; |
| 2389 | | case ZigClangUO_Extension: |
| 2390 | | return trans_expr(c, result_used, scope, ZigClangUnaryOperator_getSubExpr(stmt), TransLValue); |
| 2391 | | case ZigClangUO_Coawait: |
| 2392 | | emit_warning(c, ZigClangUnaryOperator_getBeginLoc(stmt), "TODO handle C translation UO_Coawait"); |
| 2393 | | return nullptr; |
| 2394 | | } |
| 2395 | | zig_unreachable(); |
| 2396 | | } |
| 2397 | | |
| 2398 | | static int trans_local_declaration(Context *c, TransScope *scope, const ZigClangDeclStmt *stmt, |
| 2399 | | AstNode **out_node, TransScope **out_scope) |
| 2400 | | { |
| 2401 | | // declarations are added via the scope |
| 2402 | | *out_node = nullptr; |
| 2403 | | |
| 2404 | | TransScopeBlock *scope_block = trans_scope_block_find(scope); |
| 2405 | | assert(scope_block != nullptr); |
| 2406 | | |
| 2407 | | for (ZigClangDeclStmt_const_decl_iterator iter = ZigClangDeclStmt_decl_begin(stmt), |
| 2408 | | iter_end = ZigClangDeclStmt_decl_end(stmt); |
| 2409 | | iter != iter_end; ++iter) |
| 2410 | | { |
| 2411 | | ZigClangDecl *decl = *iter; |
| 2412 | | switch (ZigClangDecl_getKind(decl)) { |
| 2413 | | case ZigClangDeclVar: { |
| 2414 | | ZigClangVarDecl *var_decl = (ZigClangVarDecl *)decl; |
| 2415 | | ZigClangQualType qual_type = ZigClangVarDecl_getTypeSourceInfo_getType(var_decl); |
| 2416 | | AstNode *init_node = nullptr; |
| 2417 | | if (ZigClangVarDecl_hasInit(var_decl)) { |
| 2418 | | init_node = trans_expr(c, ResultUsedYes, scope, ZigClangVarDecl_getInit(var_decl), TransRValue); |
| 2419 | | if (init_node == nullptr) |
| 2420 | | return ErrorUnexpected; |
| 2421 | | |
| 2422 | | } else { |
| 2423 | | init_node = trans_create_node(c, NodeTypeUndefinedLiteral); |
| 2424 | | } |
| 2425 | | AstNode *type_node = trans_qual_type(c, qual_type, ZigClangDeclStmt_getBeginLoc(stmt)); |
| 2426 | | if (type_node == nullptr) |
| 2427 | | return ErrorUnexpected; |
| 2428 | | |
| 2429 | | Buf *c_symbol_name = buf_create_from_str(ZigClangDecl_getName_bytes_begin((const ZigClangDecl *)var_decl)); |
| 2430 | | |
| 2431 | | TransScopeVar *var_scope = trans_scope_var_create(c, scope, c_symbol_name); |
| 2432 | | scope = &var_scope->base; |
| 2433 | | |
| 2434 | | AstNode *node = trans_create_node_var_decl_local(c, |
| 2435 | | ZigClangQualType_isConstQualified(qual_type), |
| 2436 | | var_scope->zig_name, type_node, init_node); |
| 2437 | | |
| 2438 | | scope_block->node->data.block.statements.append(node); |
| 2439 | | continue; |
| 2440 | | } |
| 2441 | | case ZigClangDeclAccessSpec: |
| 2442 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle decl kind AccessSpec"); |
| 2443 | | return ErrorUnexpected; |
| 2444 | | case ZigClangDeclBlock: |
| 2445 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Block"); |
| 2446 | | return ErrorUnexpected; |
| 2447 | | case ZigClangDeclCaptured: |
| 2448 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Captured"); |
| 2449 | | return ErrorUnexpected; |
| 2450 | | case ZigClangDeclClassScopeFunctionSpecialization: |
| 2451 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ClassScopeFunctionSpecialization"); |
| 2452 | | return ErrorUnexpected; |
| 2453 | | case ZigClangDeclEmpty: |
| 2454 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Empty"); |
| 2455 | | return ErrorUnexpected; |
| 2456 | | case ZigClangDeclExport: |
| 2457 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Export"); |
| 2458 | | return ErrorUnexpected; |
| 2459 | | case ZigClangDeclExternCContext: |
| 2460 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ExternCContext"); |
| 2461 | | return ErrorUnexpected; |
| 2462 | | case ZigClangDeclFileScopeAsm: |
| 2463 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C FileScopeAsm"); |
| 2464 | | return ErrorUnexpected; |
| 2465 | | case ZigClangDeclFriend: |
| 2466 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Friend"); |
| 2467 | | return ErrorUnexpected; |
| 2468 | | case ZigClangDeclFriendTemplate: |
| 2469 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C FriendTemplate"); |
| 2470 | | return ErrorUnexpected; |
| 2471 | | case ZigClangDeclImport: |
| 2472 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Import"); |
| 2473 | | return ErrorUnexpected; |
| 2474 | | case ZigClangDeclLinkageSpec: |
| 2475 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C LinkageSpec"); |
| 2476 | | return ErrorUnexpected; |
| 2477 | | case ZigClangDeclLabel: |
| 2478 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Label"); |
| 2479 | | return ErrorUnexpected; |
| 2480 | | case ZigClangDeclNamespace: |
| 2481 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Namespace"); |
| 2482 | | return ErrorUnexpected; |
| 2483 | | case ZigClangDeclNamespaceAlias: |
| 2484 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C NamespaceAlias"); |
| 2485 | | return ErrorUnexpected; |
| 2486 | | case ZigClangDeclObjCCompatibleAlias: |
| 2487 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ObjCCompatibleAlias"); |
| 2488 | | return ErrorUnexpected; |
| 2489 | | case ZigClangDeclObjCCategory: |
| 2490 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ObjCCategory"); |
| 2491 | | return ErrorUnexpected; |
| 2492 | | case ZigClangDeclObjCCategoryImpl: |
| 2493 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ObjCCategoryImpl"); |
| 2494 | | return ErrorUnexpected; |
| 2495 | | case ZigClangDeclObjCImplementation: |
| 2496 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ObjCImplementation"); |
| 2497 | | return ErrorUnexpected; |
| 2498 | | case ZigClangDeclObjCInterface: |
| 2499 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ObjCInterface"); |
| 2500 | | return ErrorUnexpected; |
| 2501 | | case ZigClangDeclObjCProtocol: |
| 2502 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ObjCProtocol"); |
| 2503 | | return ErrorUnexpected; |
| 2504 | | case ZigClangDeclObjCMethod: |
| 2505 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ObjCMethod"); |
| 2506 | | return ErrorUnexpected; |
| 2507 | | case ZigClangDeclObjCProperty: |
| 2508 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ObjCProperty"); |
| 2509 | | return ErrorUnexpected; |
| 2510 | | case ZigClangDeclBuiltinTemplate: |
| 2511 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C BuiltinTemplate"); |
| 2512 | | return ErrorUnexpected; |
| 2513 | | case ZigClangDeclClassTemplate: |
| 2514 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ClassTemplate"); |
| 2515 | | return ErrorUnexpected; |
| 2516 | | case ZigClangDeclFunctionTemplate: |
| 2517 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C FunctionTemplate"); |
| 2518 | | return ErrorUnexpected; |
| 2519 | | case ZigClangDeclTypeAliasTemplate: |
| 2520 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C TypeAliasTemplate"); |
| 2521 | | return ErrorUnexpected; |
| 2522 | | case ZigClangDeclVarTemplate: |
| 2523 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C VarTemplate"); |
| 2524 | | return ErrorUnexpected; |
| 2525 | | case ZigClangDeclTemplateTemplateParm: |
| 2526 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C TemplateTemplateParm"); |
| 2527 | | return ErrorUnexpected; |
| 2528 | | case ZigClangDeclEnum: |
| 2529 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Enum"); |
| 2530 | | return ErrorUnexpected; |
| 2531 | | case ZigClangDeclRecord: |
| 2532 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Record"); |
| 2533 | | return ErrorUnexpected; |
| 2534 | | case ZigClangDeclCXXRecord: |
| 2535 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C CXXRecord"); |
| 2536 | | return ErrorUnexpected; |
| 2537 | | case ZigClangDeclClassTemplateSpecialization: |
| 2538 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ClassTemplateSpecialization"); |
| 2539 | | return ErrorUnexpected; |
| 2540 | | case ZigClangDeclClassTemplatePartialSpecialization: |
| 2541 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ClassTemplatePartialSpecialization"); |
| 2542 | | return ErrorUnexpected; |
| 2543 | | case ZigClangDeclTemplateTypeParm: |
| 2544 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C TemplateTypeParm"); |
| 2545 | | return ErrorUnexpected; |
| 2546 | | case ZigClangDeclObjCTypeParam: |
| 2547 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ObjCTypeParam"); |
| 2548 | | return ErrorUnexpected; |
| 2549 | | case ZigClangDeclTypeAlias: |
| 2550 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C TypeAlias"); |
| 2551 | | return ErrorUnexpected; |
| 2552 | | case ZigClangDeclTypedef: |
| 2553 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Typedef"); |
| 2554 | | return ErrorUnexpected; |
| 2555 | | case ZigClangDeclUnresolvedUsingTypename: |
| 2556 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C UnresolvedUsingTypename"); |
| 2557 | | return ErrorUnexpected; |
| 2558 | | case ZigClangDeclUsing: |
| 2559 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Using"); |
| 2560 | | return ErrorUnexpected; |
| 2561 | | case ZigClangDeclUsingDirective: |
| 2562 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C UsingDirective"); |
| 2563 | | return ErrorUnexpected; |
| 2564 | | case ZigClangDeclUsingPack: |
| 2565 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C UsingPack"); |
| 2566 | | return ErrorUnexpected; |
| 2567 | | case ZigClangDeclUsingShadow: |
| 2568 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C UsingShadow"); |
| 2569 | | return ErrorUnexpected; |
| 2570 | | case ZigClangDeclConstructorUsingShadow: |
| 2571 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ConstructorUsingShadow"); |
| 2572 | | return ErrorUnexpected; |
| 2573 | | case ZigClangDeclBinding: |
| 2574 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Binding"); |
| 2575 | | return ErrorUnexpected; |
| 2576 | | case ZigClangDeclField: |
| 2577 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Field"); |
| 2578 | | return ErrorUnexpected; |
| 2579 | | case ZigClangDeclObjCAtDefsField: |
| 2580 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ObjCAtDefsField"); |
| 2581 | | return ErrorUnexpected; |
| 2582 | | case ZigClangDeclObjCIvar: |
| 2583 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ObjCIvar"); |
| 2584 | | return ErrorUnexpected; |
| 2585 | | case ZigClangDeclFunction: |
| 2586 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Function"); |
| 2587 | | return ErrorUnexpected; |
| 2588 | | case ZigClangDeclCXXDeductionGuide: |
| 2589 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C CXXDeductionGuide"); |
| 2590 | | return ErrorUnexpected; |
| 2591 | | case ZigClangDeclCXXMethod: |
| 2592 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C CXXMethod"); |
| 2593 | | return ErrorUnexpected; |
| 2594 | | case ZigClangDeclCXXConstructor: |
| 2595 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C CXXConstructor"); |
| 2596 | | return ErrorUnexpected; |
| 2597 | | case ZigClangDeclCXXConversion: |
| 2598 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C CXXConversion"); |
| 2599 | | return ErrorUnexpected; |
| 2600 | | case ZigClangDeclCXXDestructor: |
| 2601 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C CXXDestructor"); |
| 2602 | | return ErrorUnexpected; |
| 2603 | | case ZigClangDeclMSProperty: |
| 2604 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C MSProperty"); |
| 2605 | | return ErrorUnexpected; |
| 2606 | | case ZigClangDeclNonTypeTemplateParm: |
| 2607 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C NonTypeTemplateParm"); |
| 2608 | | return ErrorUnexpected; |
| 2609 | | case ZigClangDeclDecomposition: |
| 2610 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Decomposition"); |
| 2611 | | return ErrorUnexpected; |
| 2612 | | case ZigClangDeclImplicitParam: |
| 2613 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ImplicitParam"); |
| 2614 | | return ErrorUnexpected; |
| 2615 | | case ZigClangDeclOMPCapturedExpr: |
| 2616 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C OMPCapturedExpr"); |
| 2617 | | return ErrorUnexpected; |
| 2618 | | case ZigClangDeclParmVar: |
| 2619 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ParmVar"); |
| 2620 | | return ErrorUnexpected; |
| 2621 | | case ZigClangDeclVarTemplateSpecialization: |
| 2622 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C VarTemplateSpecialization"); |
| 2623 | | return ErrorUnexpected; |
| 2624 | | case ZigClangDeclVarTemplatePartialSpecialization: |
| 2625 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C VarTemplatePartialSpecialization"); |
| 2626 | | return ErrorUnexpected; |
| 2627 | | case ZigClangDeclEnumConstant: |
| 2628 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C EnumConstant"); |
| 2629 | | return ErrorUnexpected; |
| 2630 | | case ZigClangDeclIndirectField: |
| 2631 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C IndirectField"); |
| 2632 | | return ErrorUnexpected; |
| 2633 | | case ZigClangDeclOMPDeclareReduction: |
| 2634 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C OMPDeclareReduction"); |
| 2635 | | return ErrorUnexpected; |
| 2636 | | case ZigClangDeclUnresolvedUsingValue: |
| 2637 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C UnresolvedUsingValue"); |
| 2638 | | return ErrorUnexpected; |
| 2639 | | case ZigClangDeclOMPRequires: |
| 2640 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C OMPRequires"); |
| 2641 | | return ErrorUnexpected; |
| 2642 | | case ZigClangDeclOMPThreadPrivate: |
| 2643 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C OMPThreadPrivate"); |
| 2644 | | return ErrorUnexpected; |
| 2645 | | case ZigClangDeclObjCPropertyImpl: |
| 2646 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C ObjCPropertyImpl"); |
| 2647 | | return ErrorUnexpected; |
| 2648 | | case ZigClangDeclPragmaComment: |
| 2649 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C PragmaComment"); |
| 2650 | | return ErrorUnexpected; |
| 2651 | | case ZigClangDeclPragmaDetectMismatch: |
| 2652 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C PragmaDetectMismatch"); |
| 2653 | | return ErrorUnexpected; |
| 2654 | | case ZigClangDeclStaticAssert: |
| 2655 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C StaticAssert"); |
| 2656 | | return ErrorUnexpected; |
| 2657 | | case ZigClangDeclTranslationUnit: |
| 2658 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C TranslationUnit"); |
| 2659 | | return ErrorUnexpected; |
| 2660 | | case ZigClangDeclConcept: |
| 2661 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C Concept"); |
| 2662 | | return ErrorUnexpected; |
| 2663 | | case ZigClangDeclOMPDeclareMapper: |
| 2664 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C OMPDeclareMapper"); |
| 2665 | | return ErrorUnexpected; |
| 2666 | | case ZigClangDeclOMPAllocate: |
| 2667 | | emit_warning(c, ZigClangDeclStmt_getBeginLoc(stmt), "TODO handle C OMPAllocate"); |
| 2668 | | return ErrorUnexpected; |
| 2669 | | } |
| 2670 | | zig_unreachable(); |
| 2671 | | } |
| 2672 | | |
| 2673 | | *out_scope = scope; |
| 2674 | | return ErrorNone; |
| 2675 | | } |
| 2676 | | |
| 2677 | | static AstNode *to_enum_zero_cmp(Context *c, AstNode *expr, AstNode *enum_type) { |
| 2678 | | AstNode *tag_type = trans_create_node_builtin_fn_call_str(c, "TagType"); |
| 2679 | | tag_type->data.fn_call_expr.params.append(enum_type); |
| 2680 | | |
| 2681 | | // @TagType(Enum)(0) |
| 2682 | | AstNode *zero = trans_create_node_unsigned_negative(c, 0, false); |
| 2683 | | AstNode *casted_zero = trans_create_node_cast(c, tag_type, zero); |
| 2684 | | |
| 2685 | | // @bitCast(Enum, @TagType(Enum)(0)) |
| 2686 | | AstNode *bitcast = trans_create_node_builtin_fn_call_str(c, "bitCast"); |
| 2687 | | bitcast->data.fn_call_expr.params.append(enum_type); |
| 2688 | | bitcast->data.fn_call_expr.params.append(casted_zero); |
| 2689 | | |
| 2690 | | return trans_create_node_bin_op(c, expr, BinOpTypeCmpNotEq, bitcast); |
| 2691 | | } |
| 2692 | | |
| 2693 | | static AstNode *trans_bool_expr(Context *c, ResultUsed result_used, TransScope *scope, const ZigClangExpr *expr, TransLRValue lrval) { |
| 2694 | | AstNode *res = trans_expr(c, result_used, scope, expr, lrval); |
| 2695 | | if (res == nullptr) |
| 2696 | | return nullptr; |
| 2697 | | |
| 2698 | | switch (res->type) { |
| 2699 | | case NodeTypeBinOpExpr: |
| 2700 | | switch (res->data.bin_op_expr.bin_op) { |
| 2701 | | case BinOpTypeBoolOr: |
| 2702 | | case BinOpTypeBoolAnd: |
| 2703 | | case BinOpTypeCmpEq: |
| 2704 | | case BinOpTypeCmpNotEq: |
| 2705 | | case BinOpTypeCmpLessThan: |
| 2706 | | case BinOpTypeCmpGreaterThan: |
| 2707 | | case BinOpTypeCmpLessOrEq: |
| 2708 | | case BinOpTypeCmpGreaterOrEq: |
| 2709 | | return res; |
| 2710 | | default: |
| 2711 | | break; |
| 2712 | | } |
| 2713 | | |
| 2714 | | case NodeTypePrefixOpExpr: |
| 2715 | | switch (res->data.prefix_op_expr.prefix_op) { |
| 2716 | | case PrefixOpBoolNot: |
| 2717 | | return res; |
| 2718 | | default: |
| 2719 | | break; |
| 2720 | | } |
| 2721 | | |
| 2722 | | case NodeTypeBoolLiteral: |
| 2723 | | return res; |
| 2724 | | |
| 2725 | | default: |
| 2726 | | break; |
| 2727 | | } |
| 2728 | | |
| 2729 | | |
| 2730 | | const ZigClangType *ty = ZigClangQualType_getTypePtr(get_expr_qual_type_before_implicit_cast(c, expr)); |
| 2731 | | auto classs = ZigClangType_getTypeClass(ty); |
| 2732 | | switch (classs) { |
| 2733 | | case ZigClangType_Builtin: |
| 2734 | | { |
| 2735 | | const ZigClangBuiltinType *builtin_ty = reinterpret_cast<const ZigClangBuiltinType*>(ty); |
| 2736 | | switch (ZigClangBuiltinType_getKind(builtin_ty)) { |
| 2737 | | case ZigClangBuiltinTypeBool: |
| 2738 | | case ZigClangBuiltinTypeChar_U: |
| 2739 | | case ZigClangBuiltinTypeUChar: |
| 2740 | | case ZigClangBuiltinTypeChar_S: |
| 2741 | | case ZigClangBuiltinTypeSChar: |
| 2742 | | case ZigClangBuiltinTypeUShort: |
| 2743 | | case ZigClangBuiltinTypeUInt: |
| 2744 | | case ZigClangBuiltinTypeULong: |
| 2745 | | case ZigClangBuiltinTypeULongLong: |
| 2746 | | case ZigClangBuiltinTypeShort: |
| 2747 | | case ZigClangBuiltinTypeInt: |
| 2748 | | case ZigClangBuiltinTypeLong: |
| 2749 | | case ZigClangBuiltinTypeLongLong: |
| 2750 | | case ZigClangBuiltinTypeUInt128: |
| 2751 | | case ZigClangBuiltinTypeInt128: |
| 2752 | | case ZigClangBuiltinTypeFloat: |
| 2753 | | case ZigClangBuiltinTypeDouble: |
| 2754 | | case ZigClangBuiltinTypeFloat128: |
| 2755 | | case ZigClangBuiltinTypeLongDouble: |
| 2756 | | case ZigClangBuiltinTypeWChar_U: |
| 2757 | | case ZigClangBuiltinTypeChar8: |
| 2758 | | case ZigClangBuiltinTypeChar16: |
| 2759 | | case ZigClangBuiltinTypeChar32: |
| 2760 | | case ZigClangBuiltinTypeWChar_S: |
| 2761 | | case ZigClangBuiltinTypeFloat16: |
| 2762 | | return trans_create_node_bin_op(c, res, BinOpTypeCmpNotEq, trans_create_node_unsigned_negative(c, 0, false)); |
| 2763 | | case ZigClangBuiltinTypeNullPtr: |
| 2764 | | return trans_create_node_bin_op(c, res, BinOpTypeCmpNotEq, |
| 2765 | | trans_create_node(c, NodeTypeNullLiteral)); |
| 2766 | | |
| 2767 | | case ZigClangBuiltinTypeVoid: |
| 2768 | | case ZigClangBuiltinTypeHalf: |
| 2769 | | case ZigClangBuiltinTypeObjCId: |
| 2770 | | case ZigClangBuiltinTypeObjCClass: |
| 2771 | | case ZigClangBuiltinTypeObjCSel: |
| 2772 | | case ZigClangBuiltinTypeOMPArraySection: |
| 2773 | | case ZigClangBuiltinTypeDependent: |
| 2774 | | case ZigClangBuiltinTypeOverload: |
| 2775 | | case ZigClangBuiltinTypeBoundMember: |
| 2776 | | case ZigClangBuiltinTypePseudoObject: |
| 2777 | | case ZigClangBuiltinTypeUnknownAny: |
| 2778 | | case ZigClangBuiltinTypeBuiltinFn: |
| 2779 | | case ZigClangBuiltinTypeARCUnbridgedCast: |
| 2780 | | case ZigClangBuiltinTypeOCLImage1dRO: |
| 2781 | | case ZigClangBuiltinTypeOCLImage1dArrayRO: |
| 2782 | | case ZigClangBuiltinTypeOCLImage1dBufferRO: |
| 2783 | | case ZigClangBuiltinTypeOCLImage2dRO: |
| 2784 | | case ZigClangBuiltinTypeOCLImage2dArrayRO: |
| 2785 | | case ZigClangBuiltinTypeOCLImage2dDepthRO: |
| 2786 | | case ZigClangBuiltinTypeOCLImage2dArrayDepthRO: |
| 2787 | | case ZigClangBuiltinTypeOCLImage2dMSAARO: |
| 2788 | | case ZigClangBuiltinTypeOCLImage2dArrayMSAARO: |
| 2789 | | case ZigClangBuiltinTypeOCLImage2dMSAADepthRO: |
| 2790 | | case ZigClangBuiltinTypeOCLImage2dArrayMSAADepthRO: |
| 2791 | | case ZigClangBuiltinTypeOCLImage3dRO: |
| 2792 | | case ZigClangBuiltinTypeOCLImage1dWO: |
| 2793 | | case ZigClangBuiltinTypeOCLImage1dArrayWO: |
| 2794 | | case ZigClangBuiltinTypeOCLImage1dBufferWO: |
| 2795 | | case ZigClangBuiltinTypeOCLImage2dWO: |
| 2796 | | case ZigClangBuiltinTypeOCLImage2dArrayWO: |
| 2797 | | case ZigClangBuiltinTypeOCLImage2dDepthWO: |
| 2798 | | case ZigClangBuiltinTypeOCLImage2dArrayDepthWO: |
| 2799 | | case ZigClangBuiltinTypeOCLImage2dMSAAWO: |
| 2800 | | case ZigClangBuiltinTypeOCLImage2dArrayMSAAWO: |
| 2801 | | case ZigClangBuiltinTypeOCLImage2dMSAADepthWO: |
| 2802 | | case ZigClangBuiltinTypeOCLImage2dArrayMSAADepthWO: |
| 2803 | | case ZigClangBuiltinTypeOCLImage3dWO: |
| 2804 | | case ZigClangBuiltinTypeOCLImage1dRW: |
| 2805 | | case ZigClangBuiltinTypeOCLImage1dArrayRW: |
| 2806 | | case ZigClangBuiltinTypeOCLImage1dBufferRW: |
| 2807 | | case ZigClangBuiltinTypeOCLImage2dRW: |
| 2808 | | case ZigClangBuiltinTypeOCLImage2dArrayRW: |
| 2809 | | case ZigClangBuiltinTypeOCLImage2dDepthRW: |
| 2810 | | case ZigClangBuiltinTypeOCLImage2dArrayDepthRW: |
| 2811 | | case ZigClangBuiltinTypeOCLImage2dMSAARW: |
| 2812 | | case ZigClangBuiltinTypeOCLImage2dArrayMSAARW: |
| 2813 | | case ZigClangBuiltinTypeOCLImage2dMSAADepthRW: |
| 2814 | | case ZigClangBuiltinTypeOCLImage2dArrayMSAADepthRW: |
| 2815 | | case ZigClangBuiltinTypeOCLImage3dRW: |
| 2816 | | case ZigClangBuiltinTypeOCLSampler: |
| 2817 | | case ZigClangBuiltinTypeOCLEvent: |
| 2818 | | case ZigClangBuiltinTypeOCLClkEvent: |
| 2819 | | case ZigClangBuiltinTypeOCLQueue: |
| 2820 | | case ZigClangBuiltinTypeOCLReserveID: |
| 2821 | | case ZigClangBuiltinTypeShortAccum: |
| 2822 | | case ZigClangBuiltinTypeAccum: |
| 2823 | | case ZigClangBuiltinTypeLongAccum: |
| 2824 | | case ZigClangBuiltinTypeUShortAccum: |
| 2825 | | case ZigClangBuiltinTypeUAccum: |
| 2826 | | case ZigClangBuiltinTypeULongAccum: |
| 2827 | | case ZigClangBuiltinTypeShortFract: |
| 2828 | | case ZigClangBuiltinTypeFract: |
| 2829 | | case ZigClangBuiltinTypeLongFract: |
| 2830 | | case ZigClangBuiltinTypeUShortFract: |
| 2831 | | case ZigClangBuiltinTypeUFract: |
| 2832 | | case ZigClangBuiltinTypeULongFract: |
| 2833 | | case ZigClangBuiltinTypeSatShortAccum: |
| 2834 | | case ZigClangBuiltinTypeSatAccum: |
| 2835 | | case ZigClangBuiltinTypeSatLongAccum: |
| 2836 | | case ZigClangBuiltinTypeSatUShortAccum: |
| 2837 | | case ZigClangBuiltinTypeSatUAccum: |
| 2838 | | case ZigClangBuiltinTypeSatULongAccum: |
| 2839 | | case ZigClangBuiltinTypeSatShortFract: |
| 2840 | | case ZigClangBuiltinTypeSatFract: |
| 2841 | | case ZigClangBuiltinTypeSatLongFract: |
| 2842 | | case ZigClangBuiltinTypeSatUShortFract: |
| 2843 | | case ZigClangBuiltinTypeSatUFract: |
| 2844 | | case ZigClangBuiltinTypeSatULongFract: |
| 2845 | | case ZigClangBuiltinTypeOCLIntelSubgroupAVCMcePayload: |
| 2846 | | case ZigClangBuiltinTypeOCLIntelSubgroupAVCImePayload: |
| 2847 | | case ZigClangBuiltinTypeOCLIntelSubgroupAVCRefPayload: |
| 2848 | | case ZigClangBuiltinTypeOCLIntelSubgroupAVCSicPayload: |
| 2849 | | case ZigClangBuiltinTypeOCLIntelSubgroupAVCMceResult: |
| 2850 | | case ZigClangBuiltinTypeOCLIntelSubgroupAVCImeResult: |
| 2851 | | case ZigClangBuiltinTypeOCLIntelSubgroupAVCRefResult: |
| 2852 | | case ZigClangBuiltinTypeOCLIntelSubgroupAVCSicResult: |
| 2853 | | case ZigClangBuiltinTypeOCLIntelSubgroupAVCImeResultSingleRefStreamout: |
| 2854 | | case ZigClangBuiltinTypeOCLIntelSubgroupAVCImeResultDualRefStreamout: |
| 2855 | | case ZigClangBuiltinTypeOCLIntelSubgroupAVCImeSingleRefStreamin: |
| 2856 | | case ZigClangBuiltinTypeOCLIntelSubgroupAVCImeDualRefStreamin: |
| 2857 | | return res; |
| 2858 | | } |
| 2859 | | break; |
| 2860 | | } |
| 2861 | | case ZigClangType_Pointer: |
| 2862 | | return trans_create_node_bin_op(c, res, BinOpTypeCmpNotEq, trans_create_node(c, NodeTypeNullLiteral)); |
| 2863 | | |
| 2864 | | case ZigClangType_Typedef: |
| 2865 | | { |
| 2866 | | const ZigClangTypedefType *typedef_ty = reinterpret_cast<const ZigClangTypedefType*>(ty); |
| 2867 | | const ZigClangTypedefNameDecl *typedef_decl = ZigClangTypedefType_getDecl(typedef_ty); |
| 2868 | | auto existing_entry = c->decl_table.maybe_get((void*)ZigClangTypedefNameDecl_getCanonicalDecl(typedef_decl)); |
| 2869 | | if (existing_entry) { |
| 2870 | | return existing_entry->value; |
| 2871 | | } |
| 2872 | | |
| 2873 | | return res; |
| 2874 | | } |
| 2875 | | |
| 2876 | | case ZigClangType_Enum: |
| 2877 | | { |
| 2878 | | const ZigClangEnumType *enum_ty = reinterpret_cast<const ZigClangEnumType *>(ty); |
| 2879 | | AstNode *enum_type = resolve_enum_decl(c, ZigClangEnumType_getDecl(enum_ty)); |
| 2880 | | return to_enum_zero_cmp(c, res, enum_type); |
| 2881 | | } |
| 2882 | | |
| 2883 | | case ZigClangType_Elaborated: |
| 2884 | | { |
| 2885 | | const ZigClangElaboratedType *elaborated_ty = reinterpret_cast<const ZigClangElaboratedType*>(ty); |
| 2886 | | switch (ZigClangElaboratedType_getKeyword(elaborated_ty)) { |
| 2887 | | case ZigClangETK_Enum: { |
| 2888 | | AstNode *enum_type = trans_qual_type(c, ZigClangElaboratedType_getNamedType(elaborated_ty), |
| 2889 | | ZigClangExpr_getBeginLoc(expr)); |
| 2890 | | return to_enum_zero_cmp(c, res, enum_type); |
| 2891 | | } |
| 2892 | | case ZigClangETK_Struct: |
| 2893 | | case ZigClangETK_Union: |
| 2894 | | case ZigClangETK_Interface: |
| 2895 | | case ZigClangETK_Class: |
| 2896 | | case ZigClangETK_Typename: |
| 2897 | | case ZigClangETK_None: |
| 2898 | | return res; |
| 2899 | | } |
| 2900 | | } |
| 2901 | | |
| 2902 | | case ZigClangType_FunctionProto: |
| 2903 | | case ZigClangType_Record: |
| 2904 | | case ZigClangType_ConstantArray: |
| 2905 | | case ZigClangType_Paren: |
| 2906 | | case ZigClangType_Decayed: |
| 2907 | | case ZigClangType_Attributed: |
| 2908 | | case ZigClangType_IncompleteArray: |
| 2909 | | case ZigClangType_BlockPointer: |
| 2910 | | case ZigClangType_LValueReference: |
| 2911 | | case ZigClangType_RValueReference: |
| 2912 | | case ZigClangType_MemberPointer: |
| 2913 | | case ZigClangType_VariableArray: |
| 2914 | | case ZigClangType_DependentSizedArray: |
| 2915 | | case ZigClangType_DependentSizedExtVector: |
| 2916 | | case ZigClangType_Vector: |
| 2917 | | case ZigClangType_ExtVector: |
| 2918 | | case ZigClangType_FunctionNoProto: |
| 2919 | | case ZigClangType_UnresolvedUsing: |
| 2920 | | case ZigClangType_Adjusted: |
| 2921 | | case ZigClangType_TypeOfExpr: |
| 2922 | | case ZigClangType_TypeOf: |
| 2923 | | case ZigClangType_Decltype: |
| 2924 | | case ZigClangType_UnaryTransform: |
| 2925 | | case ZigClangType_TemplateTypeParm: |
| 2926 | | case ZigClangType_SubstTemplateTypeParm: |
| 2927 | | case ZigClangType_SubstTemplateTypeParmPack: |
| 2928 | | case ZigClangType_TemplateSpecialization: |
| 2929 | | case ZigClangType_Auto: |
| 2930 | | case ZigClangType_InjectedClassName: |
| 2931 | | case ZigClangType_DependentName: |
| 2932 | | case ZigClangType_DependentTemplateSpecialization: |
| 2933 | | case ZigClangType_PackExpansion: |
| 2934 | | case ZigClangType_ObjCObject: |
| 2935 | | case ZigClangType_ObjCInterface: |
| 2936 | | case ZigClangType_Complex: |
| 2937 | | case ZigClangType_ObjCObjectPointer: |
| 2938 | | case ZigClangType_Atomic: |
| 2939 | | case ZigClangType_Pipe: |
| 2940 | | case ZigClangType_ObjCTypeParam: |
| 2941 | | case ZigClangType_DeducedTemplateSpecialization: |
| 2942 | | case ZigClangType_DependentAddressSpace: |
| 2943 | | case ZigClangType_DependentVector: |
| 2944 | | case ZigClangType_MacroQualified: |
| 2945 | | return res; |
| 2946 | | } |
| 2947 | | zig_unreachable(); |
| 2948 | | } |
| 2949 | | |
| 2950 | | static AstNode *trans_while_loop(Context *c, TransScope *scope, const ZigClangWhileStmt *stmt) { |
| 2951 | | TransScopeWhile *while_scope = trans_scope_while_create(c, scope); |
| 2952 | | |
| 2953 | | while_scope->node->data.while_expr.condition = trans_bool_expr(c, ResultUsedYes, scope, |
| 2954 | | ZigClangWhileStmt_getCond(stmt), TransRValue); |
| 2955 | | if (while_scope->node->data.while_expr.condition == nullptr) |
| 2956 | | return nullptr; |
| 2957 | | |
| 2958 | | TransScope *body_scope = trans_stmt(c, &while_scope->base, ZigClangWhileStmt_getBody(stmt), |
| 2959 | | &while_scope->node->data.while_expr.body); |
| 2960 | | if (body_scope == nullptr) |
| 2961 | | return nullptr; |
| 2962 | | |
| 2963 | | return while_scope->node; |
| 2964 | | } |
| 2965 | | |
| 2966 | | static AstNode *trans_if_statement(Context *c, TransScope *scope, const ZigClangIfStmt *stmt) { |
| 2967 | | // if (c) t |
| 2968 | | // if (c) t else e |
| 2969 | | AstNode *if_node = trans_create_node(c, NodeTypeIfBoolExpr); |
| 2970 | | |
| 2971 | | TransScope *then_scope = trans_stmt(c, scope, ZigClangIfStmt_getThen(stmt), &if_node->data.if_bool_expr.then_block); |
| 2972 | | if (then_scope == nullptr) |
| 2973 | | return nullptr; |
| 2974 | | |
| 2975 | | if (ZigClangIfStmt_getElse(stmt) != nullptr) { |
| 2976 | | TransScope *else_scope = trans_stmt(c, scope, ZigClangIfStmt_getElse(stmt), &if_node->data.if_bool_expr.else_node); |
| 2977 | | if (else_scope == nullptr) |
| 2978 | | return nullptr; |
| 2979 | | } |
| 2980 | | |
| 2981 | | if_node->data.if_bool_expr.condition = trans_bool_expr(c, ResultUsedYes, scope, ZigClangIfStmt_getCond(stmt), |
| 2982 | | TransRValue); |
| 2983 | | if (if_node->data.if_bool_expr.condition == nullptr) |
| 2984 | | return nullptr; |
| 2985 | | |
| 2986 | | return if_node; |
| 2987 | | } |
| 2988 | | |
| 2989 | | static AstNode *trans_call_expr(Context *c, ResultUsed result_used, TransScope *scope, const ZigClangCallExpr *stmt) { |
| 2990 | | AstNode *node = trans_create_node(c, NodeTypeFnCallExpr); |
| 2991 | | |
| 2992 | | AstNode *callee_raw_node = trans_expr(c, ResultUsedYes, scope, ZigClangCallExpr_getCallee(stmt), TransRValue); |
| 2993 | | if (callee_raw_node == nullptr) |
| 2994 | | return nullptr; |
| 2995 | | |
| 2996 | | bool is_ptr = false; |
| 2997 | | const ZigClangFunctionProtoType *fn_ty = qual_type_get_fn_proto( |
| 2998 | | ZigClangExpr_getType(ZigClangCallExpr_getCallee(stmt)), &is_ptr); |
| 2999 | | AstNode *callee_node = nullptr; |
| 3000 | | if (is_ptr && fn_ty) { |
| 3001 | | if (ZigClangExpr_getStmtClass(ZigClangCallExpr_getCallee(stmt)) == ZigClangStmt_ImplicitCastExprClass) { |
| 3002 | | const ZigClangImplicitCastExpr *implicit_cast = reinterpret_cast<const ZigClangImplicitCastExpr *>( |
| 3003 | | ZigClangCallExpr_getCallee(stmt)); |
| 3004 | | if (ZigClangImplicitCastExpr_getCastKind(implicit_cast) == ZigClangCK_FunctionToPointerDecay) { |
| 3005 | | const ZigClangExpr *subexpr = ZigClangImplicitCastExpr_getSubExpr(implicit_cast); |
| 3006 | | if (ZigClangExpr_getStmtClass(subexpr) == ZigClangStmt_DeclRefExprClass) { |
| 3007 | | const ZigClangDeclRefExpr *decl_ref = reinterpret_cast<const ZigClangDeclRefExpr *>(subexpr); |
| 3008 | | const ZigClangNamedDecl *named_decl = ZigClangDeclRefExpr_getFoundDecl(decl_ref); |
| 3009 | | if (ZigClangDecl_getKind((const ZigClangDecl *)named_decl) == ZigClangDeclFunction) { |
| 3010 | | callee_node = callee_raw_node; |
| 3011 | | } |
| 3012 | | } |
| 3013 | | } |
| 3014 | | } |
| 3015 | | if (callee_node == nullptr) { |
| 3016 | | callee_node = trans_create_node_unwrap_null(c, callee_raw_node); |
| 3017 | | } |
| 3018 | | } else { |
| 3019 | | callee_node = callee_raw_node; |
| 3020 | | } |
| 3021 | | |
| 3022 | | node->data.fn_call_expr.fn_ref_expr = callee_node; |
| 3023 | | |
| 3024 | | unsigned num_args = ZigClangCallExpr_getNumArgs(stmt); |
| 3025 | | const ZigClangExpr * const* args = ZigClangCallExpr_getArgs(stmt); |
| 3026 | | for (unsigned i = 0; i < num_args; i += 1) { |
| 3027 | | AstNode *arg_node = trans_expr(c, ResultUsedYes, scope, args[i], TransRValue); |
| 3028 | | if (arg_node == nullptr) |
| 3029 | | return nullptr; |
| 3030 | | |
| 3031 | | node->data.fn_call_expr.params.append(arg_node); |
| 3032 | | } |
| 3033 | | |
| 3034 | | if (result_used == ResultUsedNo && fn_ty && |
| 3035 | | !ZigClangType_isVoidType(qual_type_canon(ZigClangFunctionProtoType_getReturnType(fn_ty)))) |
| 3036 | | { |
| 3037 | | node = trans_create_node_bin_op(c, trans_create_node_symbol_str(c, "_"), BinOpTypeAssign, node); |
| 3038 | | } |
| 3039 | | |
| 3040 | | return node; |
| 3041 | | } |
| 3042 | | |
| 3043 | | static AstNode *trans_member_expr(Context *c, ResultUsed result_used, TransScope *scope, |
| 3044 | | const ZigClangMemberExpr *stmt) |
| 3045 | | { |
| 3046 | | AstNode *container_node = trans_expr(c, ResultUsedYes, scope, ZigClangMemberExpr_getBase(stmt), TransRValue); |
| 3047 | | if (container_node == nullptr) |
| 3048 | | return nullptr; |
| 3049 | | |
| 3050 | | if (ZigClangMemberExpr_isArrow(stmt)) { |
| 3051 | | container_node = trans_create_node_ptr_deref(c, container_node); |
| 3052 | | } |
| 3053 | | |
| 3054 | | const char *name = ZigClangDecl_getName_bytes_begin((const ZigClangDecl *)ZigClangMemberExpr_getMemberDecl(stmt)); |
| 3055 | | |
| 3056 | | AstNode *node = trans_create_node_field_access_str(c, container_node, name); |
| 3057 | | return maybe_suppress_result(c, result_used, node); |
| 3058 | | } |
| 3059 | | |
| 3060 | | static AstNode *trans_array_subscript_expr(Context *c, ResultUsed result_used, TransScope *scope, |
| 3061 | | const ZigClangArraySubscriptExpr *stmt) |
| 3062 | | { |
| 3063 | | AstNode *container_node = trans_expr(c, ResultUsedYes, scope, ZigClangArraySubscriptExpr_getBase(stmt), |
| 3064 | | TransRValue); |
| 3065 | | if (container_node == nullptr) |
| 3066 | | return nullptr; |
| 3067 | | |
| 3068 | | AstNode *idx_node = trans_expr(c, ResultUsedYes, scope, ZigClangArraySubscriptExpr_getIdx(stmt), TransRValue); |
| 3069 | | if (idx_node == nullptr) |
| 3070 | | return nullptr; |
| 3071 | | |
| 3072 | | |
| 3073 | | AstNode *node = trans_create_node(c, NodeTypeArrayAccessExpr); |
| 3074 | | node->data.array_access_expr.array_ref_expr = container_node; |
| 3075 | | node->data.array_access_expr.subscript = idx_node; |
| 3076 | | return maybe_suppress_result(c, result_used, node); |
| 3077 | | } |
| 3078 | | |
| 3079 | | static AstNode *trans_c_style_cast_expr(Context *c, ResultUsed result_used, TransScope *scope, |
| 3080 | | const ZigClangCStyleCastExpr *stmt, TransLRValue lrvalue) |
| 3081 | | { |
| 3082 | | AstNode *sub_expr_node = trans_expr(c, ResultUsedYes, scope, ZigClangCStyleCastExpr_getSubExpr(stmt), lrvalue); |
| 3083 | | if (sub_expr_node == nullptr) |
| 3084 | | return nullptr; |
| 3085 | | |
| 3086 | | AstNode *cast = trans_c_cast(c, ZigClangCStyleCastExpr_getBeginLoc(stmt), ZigClangCStyleCastExpr_getType(stmt), |
| 3087 | | ZigClangExpr_getType(ZigClangCStyleCastExpr_getSubExpr(stmt)), sub_expr_node); |
| 3088 | | if (cast == nullptr) |
| 3089 | | return nullptr; |
| 3090 | | |
| 3091 | | return maybe_suppress_result(c, result_used, cast); |
| 3092 | | } |
| 3093 | | |
| 3094 | | static AstNode *trans_unary_expr_or_type_trait_expr(Context *c, ResultUsed result_used, |
| 3095 | | TransScope *scope, const ZigClangUnaryExprOrTypeTraitExpr *stmt) |
| 3096 | | { |
| 3097 | | AstNode *type_node = trans_qual_type(c, ZigClangUnaryExprOrTypeTraitExpr_getTypeOfArgument(stmt), |
| 3098 | | ZigClangUnaryExprOrTypeTraitExpr_getBeginLoc(stmt)); |
| 3099 | | if (type_node == nullptr) |
| 3100 | | return nullptr; |
| 3101 | | |
| 3102 | | AstNode *node = trans_create_node_builtin_fn_call_str(c, "sizeOf"); |
| 3103 | | node->data.fn_call_expr.params.append(type_node); |
| 3104 | | return maybe_suppress_result(c, result_used, node); |
| 3105 | | } |
| 3106 | | |
| 3107 | | static AstNode *trans_do_loop(Context *c, TransScope *parent_scope, const ZigClangDoStmt *stmt) { |
| 3108 | | TransScopeWhile *while_scope = trans_scope_while_create(c, parent_scope); |
| 3109 | | |
| 3110 | | while_scope->node->data.while_expr.condition = trans_create_node_bool(c, true); |
| 3111 | | |
| 3112 | | AstNode *body_node; |
| 3113 | | TransScope *child_scope; |
| 3114 | | if (ZigClangStmt_getStmtClass(ZigClangDoStmt_getBody(stmt)) == ZigClangStmt_CompoundStmtClass) { |
| 3115 | | // there's already a block in C, so we'll append our condition to it. |
| 3116 | | // c: do { |
| 3117 | | // c: a; |
| 3118 | | // c: b; |
| 3119 | | // c: } while(c); |
| 3120 | | // zig: while (true) { |
| 3121 | | // zig: a; |
| 3122 | | // zig: b; |
| 3123 | | // zig: if (!cond) break; |
| 3124 | | // zig: } |
| 3125 | | |
| 3126 | | // We call the low level function so that we can set child_scope to the scope of the generated block. |
| 3127 | | if (trans_stmt_extra(c, &while_scope->base, ZigClangDoStmt_getBody(stmt), ResultUsedNo, TransRValue, |
| 3128 | | &body_node, nullptr, &child_scope)) |
| 3129 | | { |
| 3130 | | return nullptr; |
| 3131 | | } |
| 3132 | | assert(body_node->type == NodeTypeBlock); |
| 3133 | | } else { |
| 3134 | | // the C statement is without a block, so we need to create a block to contain it. |
| 3135 | | // c: do |
| 3136 | | // c: a; |
| 3137 | | // c: while(c); |
| 3138 | | // zig: while (true) { |
| 3139 | | // zig: a; |
| 3140 | | // zig: if (!cond) break; |
| 3141 | | // zig: } |
| 3142 | | TransScopeBlock *child_block_scope = trans_scope_block_create(c, &while_scope->base); |
| 3143 | | body_node = child_block_scope->node; |
| 3144 | | AstNode *child_statement; |
| 3145 | | child_scope = trans_stmt(c, &child_block_scope->base, ZigClangDoStmt_getBody(stmt), &child_statement); |
| 3146 | | if (child_scope == nullptr) return nullptr; |
| 3147 | | if (child_statement != nullptr) { |
| 3148 | | body_node->data.block.statements.append(child_statement); |
| 3149 | | } |
| 3150 | | } |
| 3151 | | |
| 3152 | | // if (!cond) break; |
| 3153 | | AstNode *condition_node = trans_expr(c, ResultUsedYes, child_scope, ZigClangDoStmt_getCond(stmt), TransRValue); |
| 3154 | | if (condition_node == nullptr) return nullptr; |
| 3155 | | AstNode *terminator_node = trans_create_node(c, NodeTypeIfBoolExpr); |
| 3156 | | terminator_node->data.if_bool_expr.condition = trans_create_node_prefix_op(c, PrefixOpBoolNot, condition_node); |
| 3157 | | terminator_node->data.if_bool_expr.then_block = trans_create_node(c, NodeTypeBreak); |
| 3158 | | |
| 3159 | | assert(terminator_node != nullptr); |
| 3160 | | body_node->data.block.statements.append(terminator_node); |
| 3161 | | |
| 3162 | | while_scope->node->data.while_expr.body = body_node; |
| 3163 | | |
| 3164 | | return while_scope->node; |
| 3165 | | } |
| 3166 | | |
| 3167 | | static AstNode *trans_for_loop(Context *c, TransScope *parent_scope, const ZigClangForStmt *stmt) { |
| 3168 | | AstNode *loop_block_node; |
| 3169 | | TransScopeWhile *while_scope; |
| 3170 | | TransScope *cond_scope; |
| 3171 | | const ZigClangStmt *init_stmt = ZigClangForStmt_getInit(stmt); |
| 3172 | | if (init_stmt == nullptr) { |
| 3173 | | while_scope = trans_scope_while_create(c, parent_scope); |
| 3174 | | loop_block_node = while_scope->node; |
| 3175 | | cond_scope = parent_scope; |
| 3176 | | } else { |
| 3177 | | TransScopeBlock *child_scope = trans_scope_block_create(c, parent_scope); |
| 3178 | | loop_block_node = child_scope->node; |
| 3179 | | |
| 3180 | | AstNode *vars_node; |
| 3181 | | cond_scope = trans_stmt(c, &child_scope->base, init_stmt, &vars_node); |
| 3182 | | if (cond_scope == nullptr) |
| 3183 | | return nullptr; |
| 3184 | | if (vars_node != nullptr) |
| 3185 | | child_scope->node->data.block.statements.append(vars_node); |
| 3186 | | |
| 3187 | | while_scope = trans_scope_while_create(c, cond_scope); |
| 3188 | | |
| 3189 | | child_scope->node->data.block.statements.append(while_scope->node); |
| 3190 | | } |
| 3191 | | |
| 3192 | | const ZigClangExpr *cond_expr = ZigClangForStmt_getCond(stmt); |
| 3193 | | if (cond_expr == nullptr) { |
| 3194 | | while_scope->node->data.while_expr.condition = trans_create_node_bool(c, true); |
| 3195 | | } else { |
| 3196 | | while_scope->node->data.while_expr.condition = trans_bool_expr(c, ResultUsedYes, cond_scope, |
| 3197 | | cond_expr, TransRValue); |
| 3198 | | |
| 3199 | | if (while_scope->node->data.while_expr.condition == nullptr) |
| 3200 | | return nullptr; |
| 3201 | | } |
| 3202 | | |
| 3203 | | const ZigClangExpr *inc_expr = ZigClangForStmt_getInc(stmt); |
| 3204 | | if (inc_expr != nullptr) { |
| 3205 | | AstNode *inc_node = trans_expr(c, ResultUsedNo, cond_scope, inc_expr, TransRValue); |
| 3206 | | if (inc_node == nullptr) |
| 3207 | | return nullptr; |
| 3208 | | while_scope->node->data.while_expr.continue_expr = inc_node; |
| 3209 | | } |
| 3210 | | |
| 3211 | | AstNode *body_statement; |
| 3212 | | TransScope *body_scope = trans_stmt(c, &while_scope->base, ZigClangForStmt_getBody(stmt), &body_statement); |
| 3213 | | if (body_scope == nullptr) |
| 3214 | | return nullptr; |
| 3215 | | |
| 3216 | | if (body_statement == nullptr) { |
| 3217 | | while_scope->node->data.while_expr.body = trans_create_node(c, NodeTypeBlock); |
| 3218 | | } else { |
| 3219 | | while_scope->node->data.while_expr.body = body_statement; |
| 3220 | | } |
| 3221 | | |
| 3222 | | return loop_block_node; |
| 3223 | | } |
| 3224 | | |
| 3225 | | static AstNode *trans_switch_stmt(Context *c, TransScope *parent_scope, const ZigClangSwitchStmt *stmt) { |
| 3226 | | TransScopeBlock *block_scope = trans_scope_block_create(c, parent_scope); |
| 3227 | | |
| 3228 | | TransScopeSwitch *switch_scope; |
| 3229 | | |
| 3230 | | const ZigClangDeclStmt *var_decl_stmt = ZigClangSwitchStmt_getConditionVariableDeclStmt(stmt); |
| 3231 | | if (var_decl_stmt == nullptr) { |
| 3232 | | switch_scope = trans_scope_switch_create(c, &block_scope->base); |
| 3233 | | } else { |
| 3234 | | AstNode *vars_node; |
| 3235 | | TransScope *var_scope = trans_stmt(c, &block_scope->base, (const ZigClangStmt *)var_decl_stmt, &vars_node); |
| 3236 | | if (var_scope == nullptr) |
| 3237 | | return nullptr; |
| 3238 | | if (vars_node != nullptr) |
| 3239 | | block_scope->node->data.block.statements.append(vars_node); |
| 3240 | | switch_scope = trans_scope_switch_create(c, var_scope); |
| 3241 | | } |
| 3242 | | block_scope->node->data.block.statements.append(switch_scope->switch_node); |
| 3243 | | |
| 3244 | | // TODO avoid name collisions |
| 3245 | | Buf *end_label_name = buf_create_from_str("__switch"); |
| 3246 | | switch_scope->end_label_name = end_label_name; |
| 3247 | | block_scope->node->data.block.name = end_label_name; |
| 3248 | | |
| 3249 | | const ZigClangExpr *cond_expr = ZigClangSwitchStmt_getCond(stmt); |
| 3250 | | assert(cond_expr != nullptr); |
| 3251 | | |
| 3252 | | AstNode *expr_node = trans_expr(c, ResultUsedYes, &block_scope->base, cond_expr, TransRValue); |
| 3253 | | if (expr_node == nullptr) |
| 3254 | | return nullptr; |
| 3255 | | switch_scope->switch_node->data.switch_expr.expr = expr_node; |
| 3256 | | |
| 3257 | | AstNode *body_node; |
| 3258 | | const ZigClangStmt *body_stmt = ZigClangSwitchStmt_getBody(stmt); |
| 3259 | | if (ZigClangStmt_getStmtClass(body_stmt) == ZigClangStmt_CompoundStmtClass) { |
| 3260 | | if (trans_compound_stmt_inline(c, &switch_scope->base, (const ZigClangCompoundStmt *)body_stmt, |
| 3261 | | block_scope->node, nullptr)) |
| 3262 | | { |
| 3263 | | return nullptr; |
| 3264 | | } |
| 3265 | | } else { |
| 3266 | | TransScope *body_scope = trans_stmt(c, &switch_scope->base, body_stmt, &body_node); |
| 3267 | | if (body_scope == nullptr) |
| 3268 | | return nullptr; |
| 3269 | | if (body_node != nullptr) |
| 3270 | | block_scope->node->data.block.statements.append(body_node); |
| 3271 | | } |
| 3272 | | |
| 3273 | | if (!switch_scope->found_default && !ZigClangSwitchStmt_isAllEnumCasesCovered(stmt)) { |
| 3274 | | AstNode *prong_node = trans_create_node(c, NodeTypeSwitchProng); |
| 3275 | | prong_node->data.switch_prong.expr = trans_create_node_break(c, end_label_name, nullptr); |
| 3276 | | switch_scope->switch_node->data.switch_expr.prongs.append(prong_node); |
| 3277 | | } |
| 3278 | | |
| 3279 | | return block_scope->node; |
| 3280 | | } |
| 3281 | | |
| 3282 | | static TransScopeSwitch *trans_scope_switch_find(TransScope *scope) { |
| 3283 | | while (scope != nullptr) { |
| 3284 | | if (scope->id == TransScopeIdSwitch) { |
| 3285 | | return (TransScopeSwitch *)scope; |
| 3286 | | } |
| 3287 | | scope = scope->parent; |
| 3288 | | } |
| 3289 | | return nullptr; |
| 3290 | | } |
| 3291 | | |
| 3292 | | static int trans_switch_case(Context *c, TransScope *parent_scope, const ZigClangCaseStmt *stmt, AstNode **out_node, |
| 3293 | | TransScope **out_scope) { |
| 3294 | | *out_node = nullptr; |
| 3295 | | |
| 3296 | | if (ZigClangCaseStmt_getRHS(stmt) != nullptr) { |
| 3297 | | emit_warning(c, ZigClangCaseStmt_getBeginLoc(stmt), "TODO support GNU switch case a ... b extension"); |
| 3298 | | return ErrorUnexpected; |
| 3299 | | } |
| 3300 | | |
| 3301 | | TransScopeSwitch *switch_scope = trans_scope_switch_find(parent_scope); |
| 3302 | | assert(switch_scope != nullptr); |
| 3303 | | |
| 3304 | | Buf *label_name = buf_sprintf("__case_%" PRIu32, switch_scope->case_index); |
| 3305 | | switch_scope->case_index += 1; |
| 3306 | | |
| 3307 | | { |
| 3308 | | // Add the prong |
| 3309 | | AstNode *prong_node = trans_create_node(c, NodeTypeSwitchProng); |
| 3310 | | AstNode *item_node = trans_expr(c, ResultUsedYes, &switch_scope->base, ZigClangCaseStmt_getLHS(stmt), |
| 3311 | | TransRValue); |
| 3312 | | if (item_node == nullptr) |
| 3313 | | return ErrorUnexpected; |
| 3314 | | prong_node->data.switch_prong.items.append(item_node); |
| 3315 | | prong_node->data.switch_prong.expr = trans_create_node_break(c, label_name, nullptr); |
| 3316 | | switch_scope->switch_node->data.switch_expr.prongs.append(prong_node); |
| 3317 | | } |
| 3318 | | |
| 3319 | | TransScopeBlock *scope_block = trans_scope_block_find(parent_scope); |
| 3320 | | |
| 3321 | | AstNode *case_block = trans_create_node(c, NodeTypeBlock); |
| 3322 | | case_block->data.block.name = label_name; |
| 3323 | | case_block->data.block.statements = scope_block->node->data.block.statements; |
| 3324 | | scope_block->node->data.block.statements = {0}; |
| 3325 | | scope_block->node->data.block.statements.append(case_block); |
| 3326 | | |
| 3327 | | AstNode *sub_stmt_node; |
| 3328 | | TransScope *new_scope = trans_stmt(c, parent_scope, ZigClangCaseStmt_getSubStmt(stmt), &sub_stmt_node); |
| 3329 | | if (new_scope == nullptr) |
| 3330 | | return ErrorUnexpected; |
| 3331 | | if (sub_stmt_node != nullptr) |
| 3332 | | scope_block->node->data.block.statements.append(sub_stmt_node); |
| 3333 | | |
| 3334 | | *out_scope = new_scope; |
| 3335 | | return ErrorNone; |
| 3336 | | } |
| 3337 | | |
| 3338 | | static int trans_switch_default(Context *c, TransScope *parent_scope, const ZigClangDefaultStmt *stmt, |
| 3339 | | AstNode **out_node, TransScope **out_scope) |
| 3340 | | { |
| 3341 | | *out_node = nullptr; |
| 3342 | | |
| 3343 | | TransScopeSwitch *switch_scope = trans_scope_switch_find(parent_scope); |
| 3344 | | assert(switch_scope != nullptr); |
| 3345 | | |
| 3346 | | Buf *label_name = buf_sprintf("__default"); |
| 3347 | | |
| 3348 | | { |
| 3349 | | // Add the prong |
| 3350 | | AstNode *prong_node = trans_create_node(c, NodeTypeSwitchProng); |
| 3351 | | prong_node->data.switch_prong.expr = trans_create_node_break(c, label_name, nullptr); |
| 3352 | | switch_scope->switch_node->data.switch_expr.prongs.append(prong_node); |
| 3353 | | switch_scope->found_default = true; |
| 3354 | | } |
| 3355 | | |
| 3356 | | TransScopeBlock *scope_block = trans_scope_block_find(parent_scope); |
| 3357 | | |
| 3358 | | AstNode *case_block = trans_create_node(c, NodeTypeBlock); |
| 3359 | | case_block->data.block.name = label_name; |
| 3360 | | case_block->data.block.statements = scope_block->node->data.block.statements; |
| 3361 | | scope_block->node->data.block.statements = {0}; |
| 3362 | | scope_block->node->data.block.statements.append(case_block); |
| 3363 | | |
| 3364 | | AstNode *sub_stmt_node; |
| 3365 | | TransScope *new_scope = trans_stmt(c, parent_scope, ZigClangDefaultStmt_getSubStmt(stmt), &sub_stmt_node); |
| 3366 | | if (new_scope == nullptr) |
| 3367 | | return ErrorUnexpected; |
| 3368 | | if (sub_stmt_node != nullptr) |
| 3369 | | scope_block->node->data.block.statements.append(sub_stmt_node); |
| 3370 | | |
| 3371 | | *out_scope = new_scope; |
| 3372 | | return ErrorNone; |
| 3373 | | } |
| 3374 | | |
| 3375 | | static AstNode *trans_string_literal(Context *c, ResultUsed result_used, TransScope *scope, |
| 3376 | | const ZigClangStringLiteral *stmt) |
| 3377 | | { |
| 3378 | | switch (ZigClangStringLiteral_getKind(stmt)) { |
| 3379 | | case ZigClangStringLiteral_StringKind_Ascii: |
| 3380 | | case ZigClangStringLiteral_StringKind_UTF8: { |
| 3381 | | size_t str_len; |
| 3382 | | const char *str_ptr = ZigClangStringLiteral_getString_bytes_begin_size(stmt, &str_len); |
| 3383 | | AstNode *node = trans_create_node_str_lit(c, buf_create_from_mem(str_ptr, str_len)); |
| 3384 | | return maybe_suppress_result(c, result_used, node); |
| 3385 | | } |
| 3386 | | case ZigClangStringLiteral_StringKind_UTF16: |
| 3387 | | emit_warning(c, ZigClangStmt_getBeginLoc((const ZigClangStmt *)stmt), "TODO support UTF16 string literals"); |
| 3388 | | return nullptr; |
| 3389 | | case ZigClangStringLiteral_StringKind_UTF32: |
| 3390 | | emit_warning(c, ZigClangStmt_getBeginLoc((const ZigClangStmt *)stmt), "TODO support UTF32 string literals"); |
| 3391 | | return nullptr; |
| 3392 | | case ZigClangStringLiteral_StringKind_Wide: |
| 3393 | | emit_warning(c, ZigClangStmt_getBeginLoc((const ZigClangStmt *)stmt), "TODO support wide string literals"); |
| 3394 | | return nullptr; |
| 3395 | | } |
| 3396 | | zig_unreachable(); |
| 3397 | | } |
| 3398 | | |
| 3399 | | static AstNode *trans_break_stmt(Context *c, TransScope *scope, const ZigClangBreakStmt *stmt) { |
| 3400 | | TransScope *cur_scope = scope; |
| 3401 | | while (cur_scope != nullptr) { |
| 3402 | | if (cur_scope->id == TransScopeIdWhile) { |
| 3403 | | return trans_create_node(c, NodeTypeBreak); |
| 3404 | | } else if (cur_scope->id == TransScopeIdSwitch) { |
| 3405 | | TransScopeSwitch *switch_scope = (TransScopeSwitch *)cur_scope; |
| 3406 | | return trans_create_node_break(c, switch_scope->end_label_name, nullptr); |
| 3407 | | } |
| 3408 | | cur_scope = cur_scope->parent; |
| 3409 | | } |
| 3410 | | zig_unreachable(); |
| 3411 | | } |
| 3412 | | |
| 3413 | | static AstNode *trans_continue_stmt(Context *c, TransScope *scope, const ZigClangContinueStmt *stmt) { |
| 3414 | | return trans_create_node(c, NodeTypeContinue); |
| 3415 | | } |
| 3416 | | |
| 3417 | | static AstNode *trans_predefined_expr(Context *c, ResultUsed result_used, TransScope *scope, |
| 3418 | | const ZigClangPredefinedExpr *expr) |
| 3419 | | { |
| 3420 | | return trans_string_literal(c, result_used, scope, ZigClangPredefinedExpr_getFunctionName(expr)); |
| 3421 | | } |
| 3422 | | |
| 3423 | | static int wrap_stmt(AstNode **out_node, TransScope **out_scope, TransScope *in_scope, AstNode *result_node) { |
| 3424 | | if (result_node == nullptr) |
| 3425 | | return ErrorUnexpected; |
| 3426 | | *out_node = result_node; |
| 3427 | | if (out_scope != nullptr) |
| 3428 | | *out_scope = in_scope; |
| 3429 | | return ErrorNone; |
| 3430 | | } |
| 3431 | | |
| 3432 | | static int trans_stmt_extra(Context *c, TransScope *scope, const ZigClangStmt *stmt, |
| 3433 | | ResultUsed result_used, TransLRValue lrvalue, |
| 3434 | | AstNode **out_node, TransScope **out_child_scope, |
| 3435 | | TransScope **out_node_scope) |
| 3436 | | { |
| 3437 | | ZigClangStmtClass sc = ZigClangStmt_getStmtClass(stmt); |
| 3438 | | switch (sc) { |
| 3439 | | case ZigClangStmt_ReturnStmtClass: |
| 3440 | | return wrap_stmt(out_node, out_child_scope, scope, |
| 3441 | | trans_return_stmt(c, scope, (const ZigClangReturnStmt *)stmt)); |
| 3442 | | case ZigClangStmt_CompoundStmtClass: |
| 3443 | | return wrap_stmt(out_node, out_child_scope, scope, |
| 3444 | | trans_compound_stmt(c, scope, (const ZigClangCompoundStmt *)stmt, out_node_scope)); |
| 3445 | | case ZigClangStmt_IntegerLiteralClass: |
| 3446 | | return wrap_stmt(out_node, out_child_scope, scope, |
| 3447 | | trans_integer_literal(c, result_used, (const ZigClangIntegerLiteral *)stmt)); |
| 3448 | | case ZigClangStmt_ConditionalOperatorClass: |
| 3449 | | return wrap_stmt(out_node, out_child_scope, scope, |
| 3450 | | trans_conditional_operator(c, result_used, scope, (const ZigClangConditionalOperator *)stmt)); |
| 3451 | | case ZigClangStmt_BinaryOperatorClass: |
| 3452 | | return wrap_stmt(out_node, out_child_scope, scope, |
| 3453 | | trans_binary_operator(c, result_used, scope, (const ZigClangBinaryOperator *)stmt)); |
| 3454 | | case ZigClangStmt_CompoundAssignOperatorClass: |
| 3455 | | return wrap_stmt(out_node, out_child_scope, scope, |
| 3456 | | trans_compound_assign_operator(c, result_used, scope, (const ZigClangCompoundAssignOperator *)stmt)); |
| 3457 | | case ZigClangStmt_ImplicitCastExprClass: |
| 3458 | | return wrap_stmt(out_node, out_child_scope, scope, |
| 3459 | | trans_implicit_cast_expr(c, result_used, scope, (const ZigClangImplicitCastExpr *)stmt)); |
| 3460 | | case ZigClangStmt_DeclRefExprClass: |
| 3461 | | return wrap_stmt(out_node, out_child_scope, scope, |
| 3462 | | trans_decl_ref_expr(c, scope, (const ZigClangDeclRefExpr *)stmt, lrvalue)); |
| 3463 | | case ZigClangStmt_UnaryOperatorClass: |
| 3464 | | return wrap_stmt(out_node, out_child_scope, scope, |
| 3465 | | trans_unary_operator(c, result_used, scope, (const ZigClangUnaryOperator *)stmt)); |
| 3466 | | case ZigClangStmt_DeclStmtClass: |
| 3467 | | return trans_local_declaration(c, scope, (const ZigClangDeclStmt *)stmt, out_node, out_child_scope); |
| 3468 | | case ZigClangStmt_DoStmtClass: |
| 3469 | | case ZigClangStmt_WhileStmtClass: { |
| 3470 | | AstNode *while_node = sc == ZigClangStmt_DoStmtClass |
| 3471 | | ? trans_do_loop(c, scope, (const ZigClangDoStmt *)stmt) |
| 3472 | | : trans_while_loop(c, scope, (const ZigClangWhileStmt *)stmt); |
| 3473 | | |
| 3474 | | if (while_node == nullptr) |
| 3475 | | return ErrorUnexpected; |
| 3476 | | |
| 3477 | | assert(while_node->type == NodeTypeWhileExpr); |
| 3478 | | if (while_node->data.while_expr.body == nullptr) |
| 3479 | | while_node->data.while_expr.body = trans_create_node(c, NodeTypeBlock); |
| 3480 | | |
| 3481 | | return wrap_stmt(out_node, out_child_scope, scope, while_node); |
| 3482 | | } |
| 3483 | | case ZigClangStmt_IfStmtClass: |
| 3484 | | return wrap_stmt(out_node, out_child_scope, scope, |
| 3485 | | trans_if_statement(c, scope, (const ZigClangIfStmt *)stmt)); |
| 3486 | | case ZigClangStmt_CallExprClass: |
| 3487 | | return wrap_stmt(out_node, out_child_scope, scope, |
| 3488 | | trans_call_expr(c, result_used, scope, (const ZigClangCallExpr *)stmt)); |
| 3489 | | case ZigClangStmt_NullStmtClass: |
| 3490 | | *out_node = trans_create_node(c, NodeTypeBlock); |
| 3491 | | *out_child_scope = scope; |
| 3492 | | return ErrorNone; |
| 3493 | | case ZigClangStmt_MemberExprClass: |
| 3494 | | return wrap_stmt(out_node, out_child_scope, scope, |
| 3495 | | trans_member_expr(c, result_used, scope, (const ZigClangMemberExpr *)stmt)); |
| 3496 | | case ZigClangStmt_ArraySubscriptExprClass: |
| 3497 | | return wrap_stmt(out_node, out_child_scope, scope, |
| 3498 | | trans_array_subscript_expr(c, result_used, scope, (const ZigClangArraySubscriptExpr *)stmt)); |
| 3499 | | case ZigClangStmt_CStyleCastExprClass: |
| 3500 | | return wrap_stmt(out_node, out_child_scope, scope, |
| 3501 | | trans_c_style_cast_expr(c, result_used, scope, (const ZigClangCStyleCastExpr *)stmt, lrvalue)); |
| 3502 | | case ZigClangStmt_UnaryExprOrTypeTraitExprClass: |
| 3503 | | return wrap_stmt(out_node, out_child_scope, scope, |
| 3504 | | trans_unary_expr_or_type_trait_expr(c, result_used, scope, (const ZigClangUnaryExprOrTypeTraitExpr *)stmt)); |
| 3505 | | case ZigClangStmt_ForStmtClass: { |
| 3506 | | AstNode *node = trans_for_loop(c, scope, (const ZigClangForStmt *)stmt); |
| 3507 | | return wrap_stmt(out_node, out_child_scope, scope, node); |
| 3508 | | } |
| 3509 | | case ZigClangStmt_StringLiteralClass: |
| 3510 | | return wrap_stmt(out_node, out_child_scope, scope, |
| 3511 | | trans_string_literal(c, result_used, scope, (const ZigClangStringLiteral *)stmt)); |
| 3512 | | case ZigClangStmt_BreakStmtClass: |
| 3513 | | return wrap_stmt(out_node, out_child_scope, scope, |
| 3514 | | trans_break_stmt(c, scope, (const ZigClangBreakStmt *)stmt)); |
| 3515 | | case ZigClangStmt_ContinueStmtClass: |
| 3516 | | return wrap_stmt(out_node, out_child_scope, scope, |
| 3517 | | trans_continue_stmt(c, scope, (const ZigClangContinueStmt *)stmt)); |
| 3518 | | case ZigClangStmt_ParenExprClass: |
| 3519 | | return wrap_stmt(out_node, out_child_scope, scope, |
| 3520 | | trans_expr(c, result_used, scope, |
| 3521 | | ZigClangParenExpr_getSubExpr((const ZigClangParenExpr *)stmt), lrvalue)); |
| 3522 | | case ZigClangStmt_SwitchStmtClass: |
| 3523 | | return wrap_stmt(out_node, out_child_scope, scope, |
| 3524 | | trans_switch_stmt(c, scope, (const ZigClangSwitchStmt *)stmt)); |
| 3525 | | case ZigClangStmt_CaseStmtClass: |
| 3526 | | return trans_switch_case(c, scope, (const ZigClangCaseStmt *)stmt, out_node, out_child_scope); |
| 3527 | | case ZigClangStmt_DefaultStmtClass: |
| 3528 | | return trans_switch_default(c, scope, (const ZigClangDefaultStmt *)stmt, out_node, out_child_scope); |
| 3529 | | case ZigClangStmt_ConstantExprClass: |
| 3530 | | return wrap_stmt(out_node, out_child_scope, scope, |
| 3531 | | trans_constant_expr(c, result_used, (const ZigClangConstantExpr *)stmt)); |
| 3532 | | case ZigClangStmt_PredefinedExprClass: |
| 3533 | | return wrap_stmt(out_node, out_child_scope, scope, |
| 3534 | | trans_predefined_expr(c, result_used, scope, (const ZigClangPredefinedExpr *)stmt)); |
| 3535 | | case ZigClangStmt_StmtExprClass: |
| 3536 | | return wrap_stmt(out_node, out_child_scope, scope, |
| 3537 | | trans_stmt_expr(c, result_used, scope, (const ZigClangStmtExpr *)stmt, out_node_scope)); |
| 3538 | | case ZigClangStmt_NoStmtClass: |
| 3539 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C NoStmtClass"); |
| 3540 | | return ErrorUnexpected; |
| 3541 | | case ZigClangStmt_GCCAsmStmtClass: |
| 3542 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C GCCAsmStmtClass"); |
| 3543 | | return ErrorUnexpected; |
| 3544 | | case ZigClangStmt_MSAsmStmtClass: |
| 3545 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C MSAsmStmtClass"); |
| 3546 | | return ErrorUnexpected; |
| 3547 | | case ZigClangStmt_AttributedStmtClass: |
| 3548 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C AttributedStmtClass"); |
| 3549 | | return ErrorUnexpected; |
| 3550 | | case ZigClangStmt_CXXCatchStmtClass: |
| 3551 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXCatchStmtClass"); |
| 3552 | | return ErrorUnexpected; |
| 3553 | | case ZigClangStmt_CXXForRangeStmtClass: |
| 3554 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXForRangeStmtClass"); |
| 3555 | | return ErrorUnexpected; |
| 3556 | | case ZigClangStmt_CXXTryStmtClass: |
| 3557 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXTryStmtClass"); |
| 3558 | | return ErrorUnexpected; |
| 3559 | | case ZigClangStmt_CapturedStmtClass: |
| 3560 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CapturedStmtClass"); |
| 3561 | | return ErrorUnexpected; |
| 3562 | | case ZigClangStmt_CoreturnStmtClass: |
| 3563 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CoreturnStmtClass"); |
| 3564 | | return ErrorUnexpected; |
| 3565 | | case ZigClangStmt_CoroutineBodyStmtClass: |
| 3566 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CoroutineBodyStmtClass"); |
| 3567 | | return ErrorUnexpected; |
| 3568 | | case ZigClangStmt_BinaryConditionalOperatorClass: |
| 3569 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C BinaryConditionalOperatorClass"); |
| 3570 | | return ErrorUnexpected; |
| 3571 | | case ZigClangStmt_AddrLabelExprClass: |
| 3572 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C AddrLabelExprClass"); |
| 3573 | | return ErrorUnexpected; |
| 3574 | | case ZigClangStmt_ArrayInitIndexExprClass: |
| 3575 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ArrayInitIndexExprClass"); |
| 3576 | | return ErrorUnexpected; |
| 3577 | | case ZigClangStmt_ArrayInitLoopExprClass: |
| 3578 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ArrayInitLoopExprClass"); |
| 3579 | | return ErrorUnexpected; |
| 3580 | | case ZigClangStmt_ArrayTypeTraitExprClass: |
| 3581 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ArrayTypeTraitExprClass"); |
| 3582 | | return ErrorUnexpected; |
| 3583 | | case ZigClangStmt_AsTypeExprClass: |
| 3584 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C AsTypeExprClass"); |
| 3585 | | return ErrorUnexpected; |
| 3586 | | case ZigClangStmt_AtomicExprClass: |
| 3587 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C AtomicExprClass"); |
| 3588 | | return ErrorUnexpected; |
| 3589 | | case ZigClangStmt_BlockExprClass: |
| 3590 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C BlockExprClass"); |
| 3591 | | return ErrorUnexpected; |
| 3592 | | case ZigClangStmt_CXXBindTemporaryExprClass: |
| 3593 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXBindTemporaryExprClass"); |
| 3594 | | return ErrorUnexpected; |
| 3595 | | case ZigClangStmt_CXXBoolLiteralExprClass: |
| 3596 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXBoolLiteralExprClass"); |
| 3597 | | return ErrorUnexpected; |
| 3598 | | case ZigClangStmt_CXXConstructExprClass: |
| 3599 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXConstructExprClass"); |
| 3600 | | return ErrorUnexpected; |
| 3601 | | case ZigClangStmt_CXXTemporaryObjectExprClass: |
| 3602 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXTemporaryObjectExprClass"); |
| 3603 | | return ErrorUnexpected; |
| 3604 | | case ZigClangStmt_CXXDefaultArgExprClass: |
| 3605 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXDefaultArgExprClass"); |
| 3606 | | return ErrorUnexpected; |
| 3607 | | case ZigClangStmt_CXXDefaultInitExprClass: |
| 3608 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXDefaultInitExprClass"); |
| 3609 | | return ErrorUnexpected; |
| 3610 | | case ZigClangStmt_CXXDeleteExprClass: |
| 3611 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXDeleteExprClass"); |
| 3612 | | return ErrorUnexpected; |
| 3613 | | case ZigClangStmt_CXXDependentScopeMemberExprClass: |
| 3614 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXDependentScopeMemberExprClass"); |
| 3615 | | return ErrorUnexpected; |
| 3616 | | case ZigClangStmt_CXXFoldExprClass: |
| 3617 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXFoldExprClass"); |
| 3618 | | return ErrorUnexpected; |
| 3619 | | case ZigClangStmt_CXXInheritedCtorInitExprClass: |
| 3620 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXInheritedCtorInitExprClass"); |
| 3621 | | return ErrorUnexpected; |
| 3622 | | case ZigClangStmt_CXXNewExprClass: |
| 3623 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXNewExprClass"); |
| 3624 | | return ErrorUnexpected; |
| 3625 | | case ZigClangStmt_CXXNoexceptExprClass: |
| 3626 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXNoexceptExprClass"); |
| 3627 | | return ErrorUnexpected; |
| 3628 | | case ZigClangStmt_CXXNullPtrLiteralExprClass: |
| 3629 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXNullPtrLiteralExprClass"); |
| 3630 | | return ErrorUnexpected; |
| 3631 | | case ZigClangStmt_CXXPseudoDestructorExprClass: |
| 3632 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXPseudoDestructorExprClass"); |
| 3633 | | return ErrorUnexpected; |
| 3634 | | case ZigClangStmt_CXXScalarValueInitExprClass: |
| 3635 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXScalarValueInitExprClass"); |
| 3636 | | return ErrorUnexpected; |
| 3637 | | case ZigClangStmt_CXXStdInitializerListExprClass: |
| 3638 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXStdInitializerListExprClass"); |
| 3639 | | return ErrorUnexpected; |
| 3640 | | case ZigClangStmt_CXXThisExprClass: |
| 3641 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXThisExprClass"); |
| 3642 | | return ErrorUnexpected; |
| 3643 | | case ZigClangStmt_CXXThrowExprClass: |
| 3644 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXThrowExprClass"); |
| 3645 | | return ErrorUnexpected; |
| 3646 | | case ZigClangStmt_CXXTypeidExprClass: |
| 3647 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXTypeidExprClass"); |
| 3648 | | return ErrorUnexpected; |
| 3649 | | case ZigClangStmt_CXXUnresolvedConstructExprClass: |
| 3650 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXUnresolvedConstructExprClass"); |
| 3651 | | return ErrorUnexpected; |
| 3652 | | case ZigClangStmt_CXXUuidofExprClass: |
| 3653 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXUuidofExprClass"); |
| 3654 | | return ErrorUnexpected; |
| 3655 | | case ZigClangStmt_CUDAKernelCallExprClass: |
| 3656 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CUDAKernelCallExprClass"); |
| 3657 | | return ErrorUnexpected; |
| 3658 | | case ZigClangStmt_CXXMemberCallExprClass: |
| 3659 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXMemberCallExprClass"); |
| 3660 | | return ErrorUnexpected; |
| 3661 | | case ZigClangStmt_CXXOperatorCallExprClass: |
| 3662 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXOperatorCallExprClass"); |
| 3663 | | return ErrorUnexpected; |
| 3664 | | case ZigClangStmt_UserDefinedLiteralClass: |
| 3665 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C UserDefinedLiteralClass"); |
| 3666 | | return ErrorUnexpected; |
| 3667 | | case ZigClangStmt_CXXFunctionalCastExprClass: |
| 3668 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXFunctionalCastExprClass"); |
| 3669 | | return ErrorUnexpected; |
| 3670 | | case ZigClangStmt_CXXConstCastExprClass: |
| 3671 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXConstCastExprClass"); |
| 3672 | | return ErrorUnexpected; |
| 3673 | | case ZigClangStmt_CXXDynamicCastExprClass: |
| 3674 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXDynamicCastExprClass"); |
| 3675 | | return ErrorUnexpected; |
| 3676 | | case ZigClangStmt_CXXReinterpretCastExprClass: |
| 3677 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXReinterpretCastExprClass"); |
| 3678 | | return ErrorUnexpected; |
| 3679 | | case ZigClangStmt_CXXStaticCastExprClass: |
| 3680 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CXXStaticCastExprClass"); |
| 3681 | | return ErrorUnexpected; |
| 3682 | | case ZigClangStmt_ObjCBridgedCastExprClass: |
| 3683 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCBridgedCastExprClass"); |
| 3684 | | return ErrorUnexpected; |
| 3685 | | case ZigClangStmt_CharacterLiteralClass: |
| 3686 | | return wrap_stmt(out_node, out_child_scope, scope, |
| 3687 | | trans_character_literal(c, result_used, (const ZigClangCharacterLiteral *)stmt)); |
| 3688 | | return ErrorUnexpected; |
| 3689 | | case ZigClangStmt_ChooseExprClass: |
| 3690 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ChooseExprClass"); |
| 3691 | | return ErrorUnexpected; |
| 3692 | | case ZigClangStmt_CompoundLiteralExprClass: |
| 3693 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CompoundLiteralExprClass"); |
| 3694 | | return ErrorUnexpected; |
| 3695 | | case ZigClangStmt_ConvertVectorExprClass: |
| 3696 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ConvertVectorExprClass"); |
| 3697 | | return ErrorUnexpected; |
| 3698 | | case ZigClangStmt_CoawaitExprClass: |
| 3699 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CoawaitExprClass"); |
| 3700 | | return ErrorUnexpected; |
| 3701 | | case ZigClangStmt_CoyieldExprClass: |
| 3702 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C CoyieldExprClass"); |
| 3703 | | return ErrorUnexpected; |
| 3704 | | case ZigClangStmt_DependentCoawaitExprClass: |
| 3705 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C DependentCoawaitExprClass"); |
| 3706 | | return ErrorUnexpected; |
| 3707 | | case ZigClangStmt_DependentScopeDeclRefExprClass: |
| 3708 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C DependentScopeDeclRefExprClass"); |
| 3709 | | return ErrorUnexpected; |
| 3710 | | case ZigClangStmt_DesignatedInitExprClass: |
| 3711 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C DesignatedInitExprClass"); |
| 3712 | | return ErrorUnexpected; |
| 3713 | | case ZigClangStmt_DesignatedInitUpdateExprClass: |
| 3714 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C DesignatedInitUpdateExprClass"); |
| 3715 | | return ErrorUnexpected; |
| 3716 | | case ZigClangStmt_ExpressionTraitExprClass: |
| 3717 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ExpressionTraitExprClass"); |
| 3718 | | return ErrorUnexpected; |
| 3719 | | case ZigClangStmt_ExtVectorElementExprClass: |
| 3720 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ExtVectorElementExprClass"); |
| 3721 | | return ErrorUnexpected; |
| 3722 | | case ZigClangStmt_FixedPointLiteralClass: |
| 3723 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C FixedPointLiteralClass"); |
| 3724 | | return ErrorUnexpected; |
| 3725 | | case ZigClangStmt_FloatingLiteralClass: |
| 3726 | | return wrap_stmt(out_node, out_child_scope, scope, |
| 3727 | | trans_floating_literal(c, result_used, (const ZigClangFloatingLiteral *)stmt)); |
| 3728 | | case ZigClangStmt_ExprWithCleanupsClass: |
| 3729 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ExprWithCleanupsClass"); |
| 3730 | | return ErrorUnexpected; |
| 3731 | | case ZigClangStmt_FunctionParmPackExprClass: |
| 3732 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C FunctionParmPackExprClass"); |
| 3733 | | return ErrorUnexpected; |
| 3734 | | case ZigClangStmt_GNUNullExprClass: |
| 3735 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C GNUNullExprClass"); |
| 3736 | | return ErrorUnexpected; |
| 3737 | | case ZigClangStmt_GenericSelectionExprClass: |
| 3738 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C GenericSelectionExprClass"); |
| 3739 | | return ErrorUnexpected; |
| 3740 | | case ZigClangStmt_ImaginaryLiteralClass: |
| 3741 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ImaginaryLiteralClass"); |
| 3742 | | return ErrorUnexpected; |
| 3743 | | case ZigClangStmt_ImplicitValueInitExprClass: |
| 3744 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ImplicitValueInitExprClass"); |
| 3745 | | return ErrorUnexpected; |
| 3746 | | case ZigClangStmt_InitListExprClass: |
| 3747 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C InitListExprClass"); |
| 3748 | | return ErrorUnexpected; |
| 3749 | | case ZigClangStmt_LambdaExprClass: |
| 3750 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C LambdaExprClass"); |
| 3751 | | return ErrorUnexpected; |
| 3752 | | case ZigClangStmt_MSPropertyRefExprClass: |
| 3753 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C MSPropertyRefExprClass"); |
| 3754 | | return ErrorUnexpected; |
| 3755 | | case ZigClangStmt_MSPropertySubscriptExprClass: |
| 3756 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C MSPropertySubscriptExprClass"); |
| 3757 | | return ErrorUnexpected; |
| 3758 | | case ZigClangStmt_MaterializeTemporaryExprClass: |
| 3759 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C MaterializeTemporaryExprClass"); |
| 3760 | | return ErrorUnexpected; |
| 3761 | | case ZigClangStmt_NoInitExprClass: |
| 3762 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C NoInitExprClass"); |
| 3763 | | return ErrorUnexpected; |
| 3764 | | case ZigClangStmt_OMPArraySectionExprClass: |
| 3765 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPArraySectionExprClass"); |
| 3766 | | return ErrorUnexpected; |
| 3767 | | case ZigClangStmt_ObjCArrayLiteralClass: |
| 3768 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCArrayLiteralClass"); |
| 3769 | | return ErrorUnexpected; |
| 3770 | | case ZigClangStmt_ObjCAvailabilityCheckExprClass: |
| 3771 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCAvailabilityCheckExprClass"); |
| 3772 | | return ErrorUnexpected; |
| 3773 | | case ZigClangStmt_ObjCBoolLiteralExprClass: |
| 3774 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCBoolLiteralExprClass"); |
| 3775 | | return ErrorUnexpected; |
| 3776 | | case ZigClangStmt_ObjCBoxedExprClass: |
| 3777 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCBoxedExprClass"); |
| 3778 | | return ErrorUnexpected; |
| 3779 | | case ZigClangStmt_ObjCDictionaryLiteralClass: |
| 3780 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCDictionaryLiteralClass"); |
| 3781 | | return ErrorUnexpected; |
| 3782 | | case ZigClangStmt_ObjCEncodeExprClass: |
| 3783 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCEncodeExprClass"); |
| 3784 | | return ErrorUnexpected; |
| 3785 | | case ZigClangStmt_ObjCIndirectCopyRestoreExprClass: |
| 3786 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCIndirectCopyRestoreExprClass"); |
| 3787 | | return ErrorUnexpected; |
| 3788 | | case ZigClangStmt_ObjCIsaExprClass: |
| 3789 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCIsaExprClass"); |
| 3790 | | return ErrorUnexpected; |
| 3791 | | case ZigClangStmt_ObjCIvarRefExprClass: |
| 3792 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCIvarRefExprClass"); |
| 3793 | | return ErrorUnexpected; |
| 3794 | | case ZigClangStmt_ObjCMessageExprClass: |
| 3795 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCMessageExprClass"); |
| 3796 | | return ErrorUnexpected; |
| 3797 | | case ZigClangStmt_ObjCPropertyRefExprClass: |
| 3798 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCPropertyRefExprClass"); |
| 3799 | | return ErrorUnexpected; |
| 3800 | | case ZigClangStmt_ObjCProtocolExprClass: |
| 3801 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCProtocolExprClass"); |
| 3802 | | return ErrorUnexpected; |
| 3803 | | case ZigClangStmt_ObjCSelectorExprClass: |
| 3804 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCSelectorExprClass"); |
| 3805 | | return ErrorUnexpected; |
| 3806 | | case ZigClangStmt_ObjCStringLiteralClass: |
| 3807 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCStringLiteralClass"); |
| 3808 | | return ErrorUnexpected; |
| 3809 | | case ZigClangStmt_ObjCSubscriptRefExprClass: |
| 3810 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCSubscriptRefExprClass"); |
| 3811 | | return ErrorUnexpected; |
| 3812 | | case ZigClangStmt_OffsetOfExprClass: |
| 3813 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OffsetOfExprClass"); |
| 3814 | | return ErrorUnexpected; |
| 3815 | | case ZigClangStmt_OpaqueValueExprClass: |
| 3816 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OpaqueValueExprClass"); |
| 3817 | | return ErrorUnexpected; |
| 3818 | | case ZigClangStmt_UnresolvedLookupExprClass: |
| 3819 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C UnresolvedLookupExprClass"); |
| 3820 | | return ErrorUnexpected; |
| 3821 | | case ZigClangStmt_UnresolvedMemberExprClass: |
| 3822 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C UnresolvedMemberExprClass"); |
| 3823 | | return ErrorUnexpected; |
| 3824 | | case ZigClangStmt_PackExpansionExprClass: |
| 3825 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C PackExpansionExprClass"); |
| 3826 | | return ErrorUnexpected; |
| 3827 | | case ZigClangStmt_ParenListExprClass: |
| 3828 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ParenListExprClass"); |
| 3829 | | return ErrorUnexpected; |
| 3830 | | case ZigClangStmt_PseudoObjectExprClass: |
| 3831 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C PseudoObjectExprClass"); |
| 3832 | | return ErrorUnexpected; |
| 3833 | | case ZigClangStmt_ShuffleVectorExprClass: |
| 3834 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ShuffleVectorExprClass"); |
| 3835 | | return ErrorUnexpected; |
| 3836 | | case ZigClangStmt_SizeOfPackExprClass: |
| 3837 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C SizeOfPackExprClass"); |
| 3838 | | return ErrorUnexpected; |
| 3839 | | case ZigClangStmt_SubstNonTypeTemplateParmExprClass: |
| 3840 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C SubstNonTypeTemplateParmExprClass"); |
| 3841 | | return ErrorUnexpected; |
| 3842 | | case ZigClangStmt_SubstNonTypeTemplateParmPackExprClass: |
| 3843 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C SubstNonTypeTemplateParmPackExprClass"); |
| 3844 | | return ErrorUnexpected; |
| 3845 | | case ZigClangStmt_TypeTraitExprClass: |
| 3846 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C TypeTraitExprClass"); |
| 3847 | | return ErrorUnexpected; |
| 3848 | | case ZigClangStmt_TypoExprClass: |
| 3849 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C TypoExprClass"); |
| 3850 | | return ErrorUnexpected; |
| 3851 | | case ZigClangStmt_VAArgExprClass: |
| 3852 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C VAArgExprClass"); |
| 3853 | | return ErrorUnexpected; |
| 3854 | | case ZigClangStmt_GotoStmtClass: |
| 3855 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C GotoStmtClass"); |
| 3856 | | return ErrorUnexpected; |
| 3857 | | case ZigClangStmt_IndirectGotoStmtClass: |
| 3858 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C IndirectGotoStmtClass"); |
| 3859 | | return ErrorUnexpected; |
| 3860 | | case ZigClangStmt_LabelStmtClass: |
| 3861 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C LabelStmtClass"); |
| 3862 | | return ErrorUnexpected; |
| 3863 | | case ZigClangStmt_MSDependentExistsStmtClass: |
| 3864 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C MSDependentExistsStmtClass"); |
| 3865 | | return ErrorUnexpected; |
| 3866 | | case ZigClangStmt_OMPAtomicDirectiveClass: |
| 3867 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPAtomicDirectiveClass"); |
| 3868 | | return ErrorUnexpected; |
| 3869 | | case ZigClangStmt_OMPBarrierDirectiveClass: |
| 3870 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPBarrierDirectiveClass"); |
| 3871 | | return ErrorUnexpected; |
| 3872 | | case ZigClangStmt_OMPCancelDirectiveClass: |
| 3873 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPCancelDirectiveClass"); |
| 3874 | | return ErrorUnexpected; |
| 3875 | | case ZigClangStmt_OMPCancellationPointDirectiveClass: |
| 3876 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPCancellationPointDirectiveClass"); |
| 3877 | | return ErrorUnexpected; |
| 3878 | | case ZigClangStmt_OMPCriticalDirectiveClass: |
| 3879 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPCriticalDirectiveClass"); |
| 3880 | | return ErrorUnexpected; |
| 3881 | | case ZigClangStmt_OMPFlushDirectiveClass: |
| 3882 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPFlushDirectiveClass"); |
| 3883 | | return ErrorUnexpected; |
| 3884 | | case ZigClangStmt_OMPDistributeDirectiveClass: |
| 3885 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPDistributeDirectiveClass"); |
| 3886 | | return ErrorUnexpected; |
| 3887 | | case ZigClangStmt_OMPDistributeParallelForDirectiveClass: |
| 3888 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPDistributeParallelForDirectiveClass"); |
| 3889 | | return ErrorUnexpected; |
| 3890 | | case ZigClangStmt_OMPDistributeParallelForSimdDirectiveClass: |
| 3891 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPDistributeParallelForSimdDirectiveClass"); |
| 3892 | | return ErrorUnexpected; |
| 3893 | | case ZigClangStmt_OMPDistributeSimdDirectiveClass: |
| 3894 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPDistributeSimdDirectiveClass"); |
| 3895 | | return ErrorUnexpected; |
| 3896 | | case ZigClangStmt_OMPForDirectiveClass: |
| 3897 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPForDirectiveClass"); |
| 3898 | | return ErrorUnexpected; |
| 3899 | | case ZigClangStmt_OMPForSimdDirectiveClass: |
| 3900 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPForSimdDirectiveClass"); |
| 3901 | | return ErrorUnexpected; |
| 3902 | | case ZigClangStmt_OMPParallelForDirectiveClass: |
| 3903 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPParallelForDirectiveClass"); |
| 3904 | | return ErrorUnexpected; |
| 3905 | | case ZigClangStmt_OMPParallelForSimdDirectiveClass: |
| 3906 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPParallelForSimdDirectiveClass"); |
| 3907 | | return ErrorUnexpected; |
| 3908 | | case ZigClangStmt_OMPSimdDirectiveClass: |
| 3909 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPSimdDirectiveClass"); |
| 3910 | | return ErrorUnexpected; |
| 3911 | | case ZigClangStmt_OMPTargetParallelForSimdDirectiveClass: |
| 3912 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTargetParallelForSimdDirectiveClass"); |
| 3913 | | return ErrorUnexpected; |
| 3914 | | case ZigClangStmt_OMPTargetSimdDirectiveClass: |
| 3915 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTargetSimdDirectiveClass"); |
| 3916 | | return ErrorUnexpected; |
| 3917 | | case ZigClangStmt_OMPTargetTeamsDistributeDirectiveClass: |
| 3918 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTargetTeamsDistributeDirectiveClass"); |
| 3919 | | return ErrorUnexpected; |
| 3920 | | case ZigClangStmt_OMPTargetTeamsDistributeParallelForDirectiveClass: |
| 3921 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTargetTeamsDistributeParallelForDirectiveClass"); |
| 3922 | | return ErrorUnexpected; |
| 3923 | | case ZigClangStmt_OMPTargetTeamsDistributeParallelForSimdDirectiveClass: |
| 3924 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTargetTeamsDistributeParallelForSimdDirectiveClass"); |
| 3925 | | return ErrorUnexpected; |
| 3926 | | case ZigClangStmt_OMPTargetTeamsDistributeSimdDirectiveClass: |
| 3927 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTargetTeamsDistributeSimdDirectiveClass"); |
| 3928 | | return ErrorUnexpected; |
| 3929 | | case ZigClangStmt_OMPTaskLoopDirectiveClass: |
| 3930 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTaskLoopDirectiveClass"); |
| 3931 | | return ErrorUnexpected; |
| 3932 | | case ZigClangStmt_OMPTaskLoopSimdDirectiveClass: |
| 3933 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTaskLoopSimdDirectiveClass"); |
| 3934 | | return ErrorUnexpected; |
| 3935 | | case ZigClangStmt_OMPTeamsDistributeDirectiveClass: |
| 3936 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTeamsDistributeDirectiveClass"); |
| 3937 | | return ErrorUnexpected; |
| 3938 | | case ZigClangStmt_OMPTeamsDistributeParallelForDirectiveClass: |
| 3939 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTeamsDistributeParallelForDirectiveClass"); |
| 3940 | | return ErrorUnexpected; |
| 3941 | | case ZigClangStmt_OMPTeamsDistributeParallelForSimdDirectiveClass: |
| 3942 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTeamsDistributeParallelForSimdDirectiveClass"); |
| 3943 | | return ErrorUnexpected; |
| 3944 | | case ZigClangStmt_OMPTeamsDistributeSimdDirectiveClass: |
| 3945 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTeamsDistributeSimdDirectiveClass"); |
| 3946 | | return ErrorUnexpected; |
| 3947 | | case ZigClangStmt_OMPMasterDirectiveClass: |
| 3948 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPMasterDirectiveClass"); |
| 3949 | | return ErrorUnexpected; |
| 3950 | | case ZigClangStmt_OMPOrderedDirectiveClass: |
| 3951 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPOrderedDirectiveClass"); |
| 3952 | | return ErrorUnexpected; |
| 3953 | | case ZigClangStmt_OMPParallelDirectiveClass: |
| 3954 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPParallelDirectiveClass"); |
| 3955 | | return ErrorUnexpected; |
| 3956 | | case ZigClangStmt_OMPParallelSectionsDirectiveClass: |
| 3957 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPParallelSectionsDirectiveClass"); |
| 3958 | | return ErrorUnexpected; |
| 3959 | | case ZigClangStmt_OMPSectionDirectiveClass: |
| 3960 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPSectionDirectiveClass"); |
| 3961 | | return ErrorUnexpected; |
| 3962 | | case ZigClangStmt_OMPSectionsDirectiveClass: |
| 3963 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPSectionsDirectiveClass"); |
| 3964 | | return ErrorUnexpected; |
| 3965 | | case ZigClangStmt_OMPSingleDirectiveClass: |
| 3966 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPSingleDirectiveClass"); |
| 3967 | | return ErrorUnexpected; |
| 3968 | | case ZigClangStmt_OMPTargetDataDirectiveClass: |
| 3969 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTargetDataDirectiveClass"); |
| 3970 | | return ErrorUnexpected; |
| 3971 | | case ZigClangStmt_OMPTargetDirectiveClass: |
| 3972 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTargetDirectiveClass"); |
| 3973 | | return ErrorUnexpected; |
| 3974 | | case ZigClangStmt_OMPTargetEnterDataDirectiveClass: |
| 3975 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTargetEnterDataDirectiveClass"); |
| 3976 | | return ErrorUnexpected; |
| 3977 | | case ZigClangStmt_OMPTargetExitDataDirectiveClass: |
| 3978 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTargetExitDataDirectiveClass"); |
| 3979 | | return ErrorUnexpected; |
| 3980 | | case ZigClangStmt_OMPTargetParallelDirectiveClass: |
| 3981 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTargetParallelDirectiveClass"); |
| 3982 | | return ErrorUnexpected; |
| 3983 | | case ZigClangStmt_OMPTargetParallelForDirectiveClass: |
| 3984 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTargetParallelForDirectiveClass"); |
| 3985 | | return ErrorUnexpected; |
| 3986 | | case ZigClangStmt_OMPTargetTeamsDirectiveClass: |
| 3987 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTargetTeamsDirectiveClass"); |
| 3988 | | return ErrorUnexpected; |
| 3989 | | case ZigClangStmt_OMPTargetUpdateDirectiveClass: |
| 3990 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTargetUpdateDirectiveClass"); |
| 3991 | | return ErrorUnexpected; |
| 3992 | | case ZigClangStmt_OMPTaskDirectiveClass: |
| 3993 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTaskDirectiveClass"); |
| 3994 | | return ErrorUnexpected; |
| 3995 | | case ZigClangStmt_OMPTaskgroupDirectiveClass: |
| 3996 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTaskgroupDirectiveClass"); |
| 3997 | | return ErrorUnexpected; |
| 3998 | | case ZigClangStmt_OMPTaskwaitDirectiveClass: |
| 3999 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTaskwaitDirectiveClass"); |
| 4000 | | return ErrorUnexpected; |
| 4001 | | case ZigClangStmt_OMPTaskyieldDirectiveClass: |
| 4002 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTaskyieldDirectiveClass"); |
| 4003 | | return ErrorUnexpected; |
| 4004 | | case ZigClangStmt_OMPTeamsDirectiveClass: |
| 4005 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C OMPTeamsDirectiveClass"); |
| 4006 | | return ErrorUnexpected; |
| 4007 | | case ZigClangStmt_ObjCAtCatchStmtClass: |
| 4008 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCAtCatchStmtClass"); |
| 4009 | | return ErrorUnexpected; |
| 4010 | | case ZigClangStmt_ObjCAtFinallyStmtClass: |
| 4011 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCAtFinallyStmtClass"); |
| 4012 | | return ErrorUnexpected; |
| 4013 | | case ZigClangStmt_ObjCAtSynchronizedStmtClass: |
| 4014 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCAtSynchronizedStmtClass"); |
| 4015 | | return ErrorUnexpected; |
| 4016 | | case ZigClangStmt_ObjCAtThrowStmtClass: |
| 4017 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCAtThrowStmtClass"); |
| 4018 | | return ErrorUnexpected; |
| 4019 | | case ZigClangStmt_ObjCAtTryStmtClass: |
| 4020 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCAtTryStmtClass"); |
| 4021 | | return ErrorUnexpected; |
| 4022 | | case ZigClangStmt_ObjCAutoreleasePoolStmtClass: |
| 4023 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCAutoreleasePoolStmtClass"); |
| 4024 | | return ErrorUnexpected; |
| 4025 | | case ZigClangStmt_ObjCForCollectionStmtClass: |
| 4026 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C ObjCForCollectionStmtClass"); |
| 4027 | | return ErrorUnexpected; |
| 4028 | | case ZigClangStmt_SEHExceptStmtClass: |
| 4029 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C SEHExceptStmtClass"); |
| 4030 | | return ErrorUnexpected; |
| 4031 | | case ZigClangStmt_SEHFinallyStmtClass: |
| 4032 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C SEHFinallyStmtClass"); |
| 4033 | | return ErrorUnexpected; |
| 4034 | | case ZigClangStmt_SEHLeaveStmtClass: |
| 4035 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C SEHLeaveStmtClass"); |
| 4036 | | return ErrorUnexpected; |
| 4037 | | case ZigClangStmt_SEHTryStmtClass: |
| 4038 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C SEHTryStmtClass"); |
| 4039 | | return ErrorUnexpected; |
| 4040 | | case ZigClangStmt_BuiltinBitCastExprClass: |
| 4041 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C BuiltinBitCastExprClass"); |
| 4042 | | return ErrorUnexpected; |
| 4043 | | case ZigClangStmt_SourceLocExprClass: |
| 4044 | | emit_warning(c, ZigClangStmt_getBeginLoc(stmt), "TODO handle C SourceLocExprClass"); |
| 4045 | | return ErrorUnexpected; |
| 4046 | | } |
| 4047 | | zig_unreachable(); |
| 4048 | | } |
| 4049 | | |
| 4050 | | // Returns null if there was an error |
| 4051 | | static AstNode *trans_expr(Context *c, ResultUsed result_used, TransScope *scope, const ZigClangExpr *expr, |
| 4052 | | TransLRValue lrval) |
| 4053 | | { |
| 4054 | | AstNode *result_node; |
| 4055 | | TransScope *result_scope; |
| 4056 | | if (trans_stmt_extra(c, scope, (const ZigClangStmt *)expr, result_used, lrval, &result_node, &result_scope, nullptr)) { |
| 4057 | | return nullptr; |
| 4058 | | } |
| 4059 | | return result_node; |
| 4060 | | } |
| 4061 | | |
| 4062 | | // Statements have no result and no concept of L or R value. |
| 4063 | | // Returns child scope, or null if there was an error |
| 4064 | | static TransScope *trans_stmt(Context *c, TransScope *scope, const ZigClangStmt *stmt, AstNode **out_node) { |
| 4065 | | TransScope *child_scope; |
| 4066 | | if (trans_stmt_extra(c, scope, stmt, ResultUsedNo, TransRValue, out_node, &child_scope, nullptr)) { |
| 4067 | | return nullptr; |
| 4068 | | } |
| 4069 | | return child_scope; |
| 4070 | | } |
| 4071 | | |
| 4072 | | static void visit_fn_decl(Context *c, const ZigClangFunctionDecl *fn_decl) { |
| 4073 | | Buf *fn_name = buf_create_from_str(ZigClangDecl_getName_bytes_begin((const ZigClangDecl *)fn_decl)); |
| 4074 | | |
| 4075 | | if (get_global(c, fn_name)) { |
| 4076 | | // we already saw this function |
| 4077 | | return; |
| 4078 | | } |
| 4079 | | |
| 4080 | | AstNode *proto_node = trans_qual_type(c, ZigClangFunctionDecl_getType(fn_decl), |
| 4081 | | ZigClangFunctionDecl_getLocation(fn_decl)); |
| 4082 | | if (proto_node == nullptr) { |
| 4083 | | emit_warning(c, ZigClangFunctionDecl_getLocation(fn_decl), |
| 4084 | | "unable to resolve prototype of function '%s'", buf_ptr(fn_name)); |
| 4085 | | return; |
| 4086 | | } |
| 4087 | | |
| 4088 | | proto_node->data.fn_proto.name = fn_name; |
| 4089 | | proto_node->data.fn_proto.is_extern = !ZigClangFunctionDecl_hasBody(fn_decl); |
| 4090 | | |
| 4091 | | ZigClangStorageClass sc = ZigClangFunctionDecl_getStorageClass(fn_decl); |
| 4092 | | if (sc == ZigClangStorageClass_None) { |
| 4093 | | proto_node->data.fn_proto.visib_mod = VisibModPub; |
| 4094 | | proto_node->data.fn_proto.is_export = ZigClangFunctionDecl_hasBody(fn_decl) ? c->want_export : false; |
| 4095 | | } else if (sc == ZigClangStorageClass_Extern || sc == ZigClangStorageClass_Static) { |
| 4096 | | proto_node->data.fn_proto.visib_mod = VisibModPub; |
| 4097 | | } else if (sc == ZigClangStorageClass_PrivateExtern) { |
| 4098 | | emit_warning(c, ZigClangFunctionDecl_getLocation(fn_decl), "unsupported storage class: private extern"); |
| 4099 | | return; |
| 4100 | | } else { |
| 4101 | | emit_warning(c, ZigClangFunctionDecl_getLocation(fn_decl), "unsupported storage class: unknown"); |
| 4102 | | return; |
| 4103 | | } |
| 4104 | | |
| 4105 | | TransScope *scope = &c->global_scope->base; |
| 4106 | | |
| 4107 | | for (size_t i = 0; i < proto_node->data.fn_proto.params.length; i += 1) { |
| 4108 | | AstNode *param_node = proto_node->data.fn_proto.params.at(i); |
| 4109 | | const ZigClangParmVarDecl *param = ZigClangFunctionDecl_getParamDecl(fn_decl, i); |
| 4110 | | const char *name = ZigClangDecl_getName_bytes_begin((const ZigClangDecl *)param); |
| 4111 | | |
| 4112 | | Buf *proto_param_name; |
| 4113 | | if (strlen(name) != 0) { |
| 4114 | | proto_param_name = buf_create_from_str(name); |
| 4115 | | } else { |
| 4116 | | proto_param_name = param_node->data.param_decl.name; |
| 4117 | | if (proto_param_name == nullptr) { |
| 4118 | | proto_param_name = buf_sprintf("arg%" ZIG_PRI_usize "", i); |
| 4119 | | } |
| 4120 | | } |
| 4121 | | |
| 4122 | | TransScopeVar *scope_var = trans_scope_var_create(c, scope, proto_param_name); |
| 4123 | | scope = &scope_var->base; |
| 4124 | | |
| 4125 | | param_node->data.param_decl.name = scope_var->zig_name; |
| 4126 | | } |
| 4127 | | |
| 4128 | | if (!ZigClangFunctionDecl_hasBody(fn_decl)) { |
| 4129 | | // just a prototype |
| 4130 | | add_top_level_decl(c, proto_node->data.fn_proto.name, proto_node); |
| 4131 | | return; |
| 4132 | | } |
| 4133 | | |
| 4134 | | // actual function definition with body |
| 4135 | | c->ptr_params.clear(); |
| 4136 | | const ZigClangStmt *body = ZigClangFunctionDecl_getBody(fn_decl); |
| 4137 | | AstNode *actual_body_node; |
| 4138 | | TransScope *result_scope = trans_stmt(c, scope, body, &actual_body_node); |
| 4139 | | if (result_scope == nullptr) { |
| 4140 | | emit_warning(c, ZigClangFunctionDecl_getLocation(fn_decl), "unable to translate function"); |
| 4141 | | return; |
| 4142 | | } |
| 4143 | | assert(actual_body_node != nullptr); |
| 4144 | | assert(actual_body_node->type == NodeTypeBlock); |
| 4145 | | |
| 4146 | | // it worked |
| 4147 | | |
| 4148 | | AstNode *body_node_with_param_inits = trans_create_node(c, NodeTypeBlock); |
| 4149 | | |
| 4150 | | for (size_t i = 0; i < proto_node->data.fn_proto.params.length; i += 1) { |
| 4151 | | AstNode *param_node = proto_node->data.fn_proto.params.at(i); |
| 4152 | | Buf *good_name = param_node->data.param_decl.name; |
| 4153 | | |
| 4154 | | if (c->ptr_params.maybe_get(good_name) != nullptr) { |
| 4155 | | // TODO: avoid name collisions |
| 4156 | | Buf *mangled_name = buf_sprintf("_arg_%s", buf_ptr(good_name)); |
| 4157 | | param_node->data.param_decl.name = mangled_name; |
| 4158 | | |
| 4159 | | // var c_name = _mangled_name; |
| 4160 | | AstNode *parameter_init = trans_create_node_var_decl_local(c, false, good_name, nullptr, trans_create_node_symbol(c, mangled_name)); |
| 4161 | | |
| 4162 | | body_node_with_param_inits->data.block.statements.append(parameter_init); |
| 4163 | | } |
| 4164 | | } |
| 4165 | | |
| 4166 | | for (size_t i = 0; i < actual_body_node->data.block.statements.length; i += 1) { |
| 4167 | | body_node_with_param_inits->data.block.statements.append(actual_body_node->data.block.statements.at(i)); |
| 4168 | | } |
| 4169 | | |
| 4170 | | AstNode *fn_def_node = trans_create_node(c, NodeTypeFnDef); |
| 4171 | | fn_def_node->data.fn_def.fn_proto = proto_node; |
| 4172 | | fn_def_node->data.fn_def.body = body_node_with_param_inits; |
| 4173 | | |
| 4174 | | proto_node->data.fn_proto.fn_def_node = fn_def_node; |
| 4175 | | add_top_level_decl(c, fn_def_node->data.fn_def.fn_proto->data.fn_proto.name, fn_def_node); |
| 4176 | | } |
| 4177 | | |
| 4178 | | static AstNode *resolve_typdef_as_builtin(Context *c, const ZigClangTypedefNameDecl *typedef_decl, const char *primitive_name) { |
| 4179 | | AstNode *node = trans_create_node_symbol_str(c, primitive_name); |
| 4180 | | c->decl_table.put(typedef_decl, node); |
| 4181 | | return node; |
| 4182 | | } |
| 4183 | | |
| 4184 | | static AstNode *resolve_typedef_decl(Context *c, const ZigClangTypedefNameDecl *typedef_decl) { |
| 4185 | | auto existing_entry = c->decl_table.maybe_get((void*)ZigClangTypedefNameDecl_getCanonicalDecl(typedef_decl)); |
| 4186 | | if (existing_entry) { |
| 4187 | | return existing_entry->value; |
| 4188 | | } |
| 4189 | | |
| 4190 | | ZigClangQualType child_qt = ZigClangTypedefNameDecl_getUnderlyingType(typedef_decl); |
| 4191 | | Buf *type_name = buf_create_from_str(ZigClangDecl_getName_bytes_begin((const ZigClangDecl *)typedef_decl)); |
| 4192 | | |
| 4193 | | if (buf_eql_str(type_name, "uint8_t")) { |
| 4194 | | return resolve_typdef_as_builtin(c, typedef_decl, "u8"); |
| 4195 | | } else if (buf_eql_str(type_name, "int8_t")) { |
| 4196 | | return resolve_typdef_as_builtin(c, typedef_decl, "i8"); |
| 4197 | | } else if (buf_eql_str(type_name, "uint16_t")) { |
| 4198 | | return resolve_typdef_as_builtin(c, typedef_decl, "u16"); |
| 4199 | | } else if (buf_eql_str(type_name, "int16_t")) { |
| 4200 | | return resolve_typdef_as_builtin(c, typedef_decl, "i16"); |
| 4201 | | } else if (buf_eql_str(type_name, "uint32_t")) { |
| 4202 | | return resolve_typdef_as_builtin(c, typedef_decl, "u32"); |
| 4203 | | } else if (buf_eql_str(type_name, "int32_t")) { |
| 4204 | | return resolve_typdef_as_builtin(c, typedef_decl, "i32"); |
| 4205 | | } else if (buf_eql_str(type_name, "uint64_t")) { |
| 4206 | | return resolve_typdef_as_builtin(c, typedef_decl, "u64"); |
| 4207 | | } else if (buf_eql_str(type_name, "int64_t")) { |
| 4208 | | return resolve_typdef_as_builtin(c, typedef_decl, "i64"); |
| 4209 | | } else if (buf_eql_str(type_name, "intptr_t")) { |
| 4210 | | return resolve_typdef_as_builtin(c, typedef_decl, "isize"); |
| 4211 | | } else if (buf_eql_str(type_name, "uintptr_t")) { |
| 4212 | | return resolve_typdef_as_builtin(c, typedef_decl, "usize"); |
| 4213 | | } else if (buf_eql_str(type_name, "ssize_t")) { |
| 4214 | | return resolve_typdef_as_builtin(c, typedef_decl, "isize"); |
| 4215 | | } else if (buf_eql_str(type_name, "size_t")) { |
| 4216 | | return resolve_typdef_as_builtin(c, typedef_decl, "usize"); |
| 4217 | | } |
| 4218 | | |
| 4219 | | // if the underlying type is anonymous, we can special case it to just |
| 4220 | | // use the name of this typedef |
| 4221 | | // TODO |
| 4222 | | |
| 4223 | | // trans_qual_type here might cause us to look at this typedef again so we put the item in the map first |
| 4224 | | AstNode *symbol_node = trans_create_node_symbol(c, type_name); |
| 4225 | | c->decl_table.put(ZigClangTypedefNameDecl_getCanonicalDecl(typedef_decl), symbol_node); |
| 4226 | | |
| 4227 | | AstNode *type_node = trans_qual_type(c, child_qt, ZigClangTypedefNameDecl_getLocation(typedef_decl)); |
| 4228 | | if (type_node == nullptr) { |
| 4229 | | emit_warning(c, ZigClangTypedefNameDecl_getLocation(typedef_decl), |
| 4230 | | "typedef %s - unresolved child type", buf_ptr(type_name)); |
| 4231 | | c->decl_table.put(typedef_decl, nullptr); |
| 4232 | | // TODO add global var with type_name equal to @compileError("unable to resolve C type") |
| 4233 | | return nullptr; |
| 4234 | | } |
| 4235 | | add_global_var(c, type_name, type_node); |
| 4236 | | |
| 4237 | | return symbol_node; |
| 4238 | | } |
| 4239 | | |
| 4240 | | struct AstNode *demote_enum_to_opaque(Context *c, const ZigClangEnumDecl *enum_decl, Buf *full_type_name, |
| 4241 | | Buf *bare_name) |
| 4242 | | { |
| 4243 | | AstNode *opaque_node = trans_create_node_opaque(c); |
| 4244 | | if (full_type_name == nullptr) { |
| 4245 | | c->decl_table.put(ZigClangEnumDecl_getCanonicalDecl(enum_decl), opaque_node); |
| 4246 | | return opaque_node; |
| 4247 | | } |
| 4248 | | AstNode *symbol_node = trans_create_node_symbol(c, full_type_name); |
| 4249 | | add_global_weak_alias(c, bare_name, full_type_name); |
| 4250 | | add_global_var(c, full_type_name, opaque_node); |
| 4251 | | c->decl_table.put(ZigClangEnumDecl_getCanonicalDecl(enum_decl), symbol_node); |
| 4252 | | return symbol_node; |
| 4253 | | } |
| 4254 | | |
| 4255 | | static AstNode *resolve_enum_decl(Context *c, const ZigClangEnumDecl *enum_decl) { |
| 4256 | | auto existing_entry = c->decl_table.maybe_get(ZigClangEnumDecl_getCanonicalDecl(enum_decl)); |
| 4257 | | if (existing_entry) { |
| 4258 | | return existing_entry->value; |
| 4259 | | } |
| 4260 | | |
| 4261 | | const char *raw_name = ZigClangDecl_getName_bytes_begin((const ZigClangDecl *)enum_decl); |
| 4262 | | bool is_anonymous = (raw_name[0] == 0); |
| 4263 | | Buf *bare_name = is_anonymous ? nullptr : buf_create_from_str(raw_name); |
| 4264 | | Buf *full_type_name = is_anonymous ? nullptr : buf_sprintf("enum_%s", buf_ptr(bare_name)); |
| 4265 | | |
| 4266 | | const ZigClangEnumDecl *enum_def = ZigClangEnumDecl_getDefinition(enum_decl); |
| 4267 | | if (!enum_def) { |
| 4268 | | return demote_enum_to_opaque(c, enum_decl, full_type_name, bare_name); |
| 4269 | | } |
| 4270 | | |
| 4271 | | |
| 4272 | | bool pure_enum = true; |
| 4273 | | uint32_t field_count = 0; |
| 4274 | | for (ZigClangEnumDecl_enumerator_iterator it = ZigClangEnumDecl_enumerator_begin(enum_def), |
| 4275 | | it_end = ZigClangEnumDecl_enumerator_end(enum_def); |
| 4276 | | ZigClangEnumDecl_enumerator_iterator_neq(it, it_end); |
| 4277 | | it = ZigClangEnumDecl_enumerator_iterator_next(it), field_count += 1) |
| 4278 | | { |
| 4279 | | const ZigClangEnumConstantDecl *enum_const = ZigClangEnumDecl_enumerator_iterator_deref(it); |
| 4280 | | if (ZigClangEnumConstantDecl_getInitExpr(enum_const)) { |
| 4281 | | pure_enum = false; |
| 4282 | | } |
| 4283 | | } |
| 4284 | | AstNode *tag_int_type = trans_qual_type(c, ZigClangEnumDecl_getIntegerType(enum_decl), |
| 4285 | | ZigClangEnumDecl_getLocation(enum_decl)); |
| 4286 | | assert(tag_int_type); |
| 4287 | | |
| 4288 | | AstNode *enum_node = trans_create_node(c, NodeTypeContainerDecl); |
| 4289 | | enum_node->data.container_decl.kind = ContainerKindEnum; |
| 4290 | | enum_node->data.container_decl.layout = ContainerLayoutExtern; |
| 4291 | | // TODO only emit this tag type if the enum tag type is not the default. |
| 4292 | | // I don't know what the default is, need to figure out how clang is deciding. |
| 4293 | | // it appears to at least be different across gcc/msvc |
| 4294 | | if (!c_is_builtin_type(c, ZigClangEnumDecl_getIntegerType(enum_decl), ZigClangBuiltinTypeUInt) && |
| 4295 | | !c_is_builtin_type(c, ZigClangEnumDecl_getIntegerType(enum_decl), ZigClangBuiltinTypeInt)) |
| 4296 | | { |
| 4297 | | enum_node->data.container_decl.init_arg_expr = tag_int_type; |
| 4298 | | } |
| 4299 | | enum_node->data.container_decl.fields.resize(field_count); |
| 4300 | | uint32_t i = 0; |
| 4301 | | for (ZigClangEnumDecl_enumerator_iterator it = ZigClangEnumDecl_enumerator_begin(enum_def), |
| 4302 | | it_end = ZigClangEnumDecl_enumerator_end(enum_def); |
| 4303 | | ZigClangEnumDecl_enumerator_iterator_neq(it, it_end); |
| 4304 | | it = ZigClangEnumDecl_enumerator_iterator_next(it), i += 1) |
| 4305 | | { |
| 4306 | | const ZigClangEnumConstantDecl *enum_const = ZigClangEnumDecl_enumerator_iterator_deref(it); |
| 4307 | | |
| 4308 | | Buf *enum_val_name = buf_create_from_str(ZigClangDecl_getName_bytes_begin((const ZigClangDecl *)enum_const)); |
| 4309 | | Buf *field_name; |
| 4310 | | if (bare_name != nullptr && buf_starts_with_buf(enum_val_name, bare_name)) { |
| 4311 | | field_name = buf_slice(enum_val_name, buf_len(bare_name), buf_len(enum_val_name)); |
| 4312 | | } else { |
| 4313 | | field_name = enum_val_name; |
| 4314 | | } |
| 4315 | | |
| 4316 | | AstNode *int_node = pure_enum && !is_anonymous ? |
| 4317 | | nullptr : trans_create_node_apint(c, ZigClangEnumConstantDecl_getInitVal(enum_const)); |
| 4318 | | AstNode *field_node = trans_create_node(c, NodeTypeStructField); |
| 4319 | | field_node->data.struct_field.name = field_name; |
| 4320 | | field_node->data.struct_field.type = nullptr; |
| 4321 | | field_node->data.struct_field.value = int_node; |
| 4322 | | enum_node->data.container_decl.fields.items[i] = field_node; |
| 4323 | | |
| 4324 | | // in C each enum value is in the global namespace. so we put them there too. |
| 4325 | | // at this point we can rely on the enum emitting successfully |
| 4326 | | if (is_anonymous) { |
| 4327 | | Buf *enum_val_name = buf_create_from_str(ZigClangDecl_getName_bytes_begin((const ZigClangDecl *)enum_const)); |
| 4328 | | add_global_var(c, enum_val_name, int_node); |
| 4329 | | } else { |
| 4330 | | AstNode *field_access_node = trans_create_node_field_access(c, |
| 4331 | | trans_create_node_symbol(c, full_type_name), field_name); |
| 4332 | | add_global_var(c, enum_val_name, field_access_node); |
| 4333 | | } |
| 4334 | | } |
| 4335 | | |
| 4336 | | if (is_anonymous) { |
| 4337 | | c->decl_table.put(ZigClangEnumDecl_getCanonicalDecl(enum_decl), enum_node); |
| 4338 | | return enum_node; |
| 4339 | | } else { |
| 4340 | | AstNode *symbol_node = trans_create_node_symbol(c, full_type_name); |
| 4341 | | add_global_weak_alias(c, bare_name, full_type_name); |
| 4342 | | add_global_var(c, full_type_name, enum_node); |
| 4343 | | c->decl_table.put(ZigClangEnumDecl_getCanonicalDecl(enum_decl), symbol_node); |
| 4344 | | return enum_node; |
| 4345 | | } |
| 4346 | | } |
| 4347 | | |
| 4348 | | static AstNode *demote_struct_to_opaque(Context *c, const ZigClangRecordDecl *record_decl, |
| 4349 | | Buf *full_type_name, Buf *bare_name) |
| 4350 | | { |
| 4351 | | AstNode *opaque_node = trans_create_node_opaque(c); |
| 4352 | | if (full_type_name == nullptr) { |
| 4353 | | c->decl_table.put(ZigClangRecordDecl_getCanonicalDecl(record_decl), opaque_node); |
| 4354 | | return opaque_node; |
| 4355 | | } |
| 4356 | | AstNode *symbol_node = trans_create_node_symbol(c, full_type_name); |
| 4357 | | add_global_weak_alias(c, bare_name, full_type_name); |
| 4358 | | add_global_var(c, full_type_name, opaque_node); |
| 4359 | | c->decl_table.put(ZigClangRecordDecl_getCanonicalDecl(record_decl), symbol_node); |
| 4360 | | return symbol_node; |
| 4361 | | } |
| 4362 | | |
| 4363 | | static AstNode *resolve_record_decl(Context *c, const ZigClangRecordDecl *record_decl) { |
| 4364 | | auto existing_entry = c->decl_table.maybe_get(ZigClangRecordDecl_getCanonicalDecl(record_decl)); |
| 4365 | | if (existing_entry) { |
| 4366 | | return existing_entry->value; |
| 4367 | | } |
| 4368 | | |
| 4369 | | const char *raw_name = ZigClangDecl_getName_bytes_begin((const ZigClangDecl *)record_decl); |
| 4370 | | const char *container_kind_name; |
| 4371 | | ContainerKind container_kind; |
| 4372 | | if (ZigClangRecordDecl_isUnion(record_decl)) { |
| 4373 | | container_kind_name = "union"; |
| 4374 | | container_kind = ContainerKindUnion; |
| 4375 | | } else if (ZigClangRecordDecl_isStruct(record_decl)) { |
| 4376 | | container_kind_name = "struct"; |
| 4377 | | container_kind = ContainerKindStruct; |
| 4378 | | } else { |
| 4379 | | emit_warning(c, ZigClangRecordDecl_getLocation(record_decl), |
| 4380 | | "skipping record %s, not a struct or union", raw_name); |
| 4381 | | c->decl_table.put(ZigClangRecordDecl_getCanonicalDecl(record_decl), nullptr); |
| 4382 | | return nullptr; |
| 4383 | | } |
| 4384 | | |
| 4385 | | bool is_anonymous = ZigClangRecordDecl_isAnonymousStructOrUnion(record_decl) || raw_name[0] == 0; |
| 4386 | | Buf *bare_name = is_anonymous ? nullptr : buf_create_from_str(raw_name); |
| 4387 | | Buf *full_type_name = (bare_name == nullptr) ? |
| 4388 | | nullptr : buf_sprintf("%s_%s", container_kind_name, buf_ptr(bare_name)); |
| 4389 | | |
| 4390 | | const ZigClangRecordDecl *record_def = ZigClangRecordDecl_getDefinition(record_decl); |
| 4391 | | if (record_def == nullptr) { |
| 4392 | | return demote_struct_to_opaque(c, record_decl, full_type_name, bare_name); |
| 4393 | | } |
| 4394 | | |
| 4395 | | // count fields and validate |
| 4396 | | uint32_t field_count = 0; |
| 4397 | | for (ZigClangRecordDecl_field_iterator it = ZigClangRecordDecl_field_begin(record_def), |
| 4398 | | it_end = ZigClangRecordDecl_field_end(record_def); |
| 4399 | | ZigClangRecordDecl_field_iterator_neq(it, it_end); |
| 4400 | | it = ZigClangRecordDecl_field_iterator_next(it), field_count += 1) |
| 4401 | | { |
| 4402 | | const ZigClangFieldDecl *field_decl = ZigClangRecordDecl_field_iterator_deref(it); |
| 4403 | | |
| 4404 | | if (ZigClangFieldDecl_isBitField(field_decl)) { |
| 4405 | | emit_warning(c, ZigClangFieldDecl_getLocation(field_decl), |
| 4406 | | "%s %s demoted to opaque type - has bitfield", container_kind_name, |
| 4407 | | is_anonymous ? "(anon)" : buf_ptr(bare_name)); |
| 4408 | | return demote_struct_to_opaque(c, record_decl, full_type_name, bare_name); |
| 4409 | | } |
| 4410 | | } |
| 4411 | | |
| 4412 | | AstNode *struct_node = trans_create_node(c, NodeTypeContainerDecl); |
| 4413 | | struct_node->data.container_decl.kind = container_kind; |
| 4414 | | struct_node->data.container_decl.layout = ContainerLayoutExtern; |
| 4415 | | |
| 4416 | | // TODO handle attribute packed |
| 4417 | | |
| 4418 | | struct_node->data.container_decl.fields.resize(field_count); |
| 4419 | | |
| 4420 | | // must be before fields in case a circular reference happens |
| 4421 | | if (is_anonymous) { |
| 4422 | | c->decl_table.put(ZigClangRecordDecl_getCanonicalDecl(record_decl), struct_node); |
| 4423 | | } else { |
| 4424 | | c->decl_table.put(ZigClangRecordDecl_getCanonicalDecl(record_decl), trans_create_node_symbol(c, full_type_name)); |
| 4425 | | } |
| 4426 | | |
| 4427 | | uint32_t i = 0; |
| 4428 | | for (ZigClangRecordDecl_field_iterator it = ZigClangRecordDecl_field_begin(record_def), |
| 4429 | | it_end = ZigClangRecordDecl_field_end(record_def); |
| 4430 | | ZigClangRecordDecl_field_iterator_neq(it, it_end); |
| 4431 | | it = ZigClangRecordDecl_field_iterator_next(it), i += 1) |
| 4432 | | { |
| 4433 | | const ZigClangFieldDecl *field_decl = ZigClangRecordDecl_field_iterator_deref(it); |
| 4434 | | |
| 4435 | | AstNode *field_node = trans_create_node(c, NodeTypeStructField); |
| 4436 | | field_node->data.struct_field.name = buf_create_from_str(ZigClangDecl_getName_bytes_begin((const ZigClangDecl *)field_decl)); |
| 4437 | | field_node->data.struct_field.type = trans_qual_type(c, ZigClangFieldDecl_getType(field_decl), |
| 4438 | | ZigClangFieldDecl_getLocation(field_decl)); |
| 4439 | | |
| 4440 | | if (field_node->data.struct_field.type == nullptr) { |
| 4441 | | emit_warning(c, ZigClangFieldDecl_getLocation(field_decl), |
| 4442 | | "%s %s demoted to opaque type - unresolved type", |
| 4443 | | container_kind_name, |
| 4444 | | is_anonymous ? "(anon)" : buf_ptr(bare_name)); |
| 4445 | | |
| 4446 | | return demote_struct_to_opaque(c, record_decl, full_type_name, bare_name); |
| 4447 | | } |
| 4448 | | |
| 4449 | | struct_node->data.container_decl.fields.items[i] = field_node; |
| 4450 | | } |
| 4451 | | |
| 4452 | | if (is_anonymous) { |
| 4453 | | return struct_node; |
| 4454 | | } else { |
| 4455 | | add_global_weak_alias(c, bare_name, full_type_name); |
| 4456 | | add_global_var(c, full_type_name, struct_node); |
| 4457 | | return trans_create_node_symbol(c, full_type_name); |
| 4458 | | } |
| 4459 | | } |
| 4460 | | |
| 4461 | | static AstNode *trans_ap_value(Context *c, const ZigClangAPValue *ap_value, ZigClangQualType qt, |
| 4462 | | ZigClangSourceLocation source_loc) |
| 4463 | | { |
| 4464 | | switch (ZigClangAPValue_getKind(ap_value)) { |
| 4465 | | case ZigClangAPValueInt: |
| 4466 | | return trans_create_node_apint(c, ZigClangAPValue_getInt(ap_value)); |
| 4467 | | case ZigClangAPValueNone: |
| 4468 | | return trans_create_node(c, NodeTypeUndefinedLiteral); |
| 4469 | | case ZigClangAPValueArray: { |
| 4470 | | emit_warning(c, source_loc, "TODO add a test case for this code"); |
| 4471 | | |
| 4472 | | unsigned init_count = ZigClangAPValue_getArrayInitializedElts(ap_value); |
| 4473 | | unsigned all_count = ZigClangAPValue_getArraySize(ap_value); |
| 4474 | | unsigned leftover_count = all_count - init_count; |
| 4475 | | AstNode *init_node = trans_create_node(c, NodeTypeContainerInitExpr); |
| 4476 | | AstNode *arr_type_node = trans_qual_type(c, qt, source_loc); |
| 4477 | | if (leftover_count != 0) { // We can't use the size of the final array for a partial initializer. |
| 4478 | | bigint_init_unsigned(arr_type_node->data.array_type.size->data.int_literal.bigint, init_count); |
| 4479 | | } |
| 4480 | | init_node->data.container_init_expr.type = arr_type_node; |
| 4481 | | init_node->data.container_init_expr.kind = ContainerInitKindArray; |
| 4482 | | |
| 4483 | | const ZigClangType *qt_type = ZigClangQualType_getTypePtr(qt); |
| 4484 | | ZigClangQualType child_qt = ZigClangArrayType_getElementType(ZigClangType_getAsArrayTypeUnsafe(qt_type)); |
| 4485 | | |
| 4486 | | for (size_t i = 0; i < init_count; i += 1) { |
| 4487 | | const ZigClangAPValue *elem_ap_val = ZigClangAPValue_getArrayInitializedElt(ap_value, i); |
| 4488 | | AstNode *elem_node = trans_ap_value(c, elem_ap_val, child_qt, source_loc); |
| 4489 | | if (elem_node == nullptr) |
| 4490 | | return nullptr; |
| 4491 | | init_node->data.container_init_expr.entries.append(elem_node); |
| 4492 | | } |
| 4493 | | if (leftover_count == 0) { |
| 4494 | | return init_node; |
| 4495 | | } |
| 4496 | | |
| 4497 | | const ZigClangAPValue *filler_ap_val = ZigClangAPValue_getArrayFiller(ap_value); |
| 4498 | | AstNode *filler_node = trans_ap_value(c, filler_ap_val, child_qt, source_loc); |
| 4499 | | if (filler_node == nullptr) |
| 4500 | | return nullptr; |
| 4501 | | |
| 4502 | | AstNode* filler_arr_type = trans_create_node(c, NodeTypeArrayType); |
| 4503 | | *filler_arr_type = *arr_type_node; |
| 4504 | | filler_arr_type->data.array_type.size = trans_create_node_unsigned(c, 1); |
| 4505 | | |
| 4506 | | AstNode *filler_arr_1 = trans_create_node(c, NodeTypeContainerInitExpr); |
| 4507 | | filler_arr_1->data.container_init_expr.type = filler_arr_type; |
| 4508 | | filler_arr_1->data.container_init_expr.kind = ContainerInitKindArray; |
| 4509 | | filler_arr_1->data.container_init_expr.entries.append(filler_node); |
| 4510 | | |
| 4511 | | AstNode *rhs_node; |
| 4512 | | if (leftover_count == 1) { |
| 4513 | | rhs_node = filler_arr_1; |
| 4514 | | } else { |
| 4515 | | AstNode *amt_node = trans_create_node_unsigned(c, leftover_count); |
| 4516 | | rhs_node = trans_create_node_bin_op(c, filler_arr_1, BinOpTypeArrayMult, amt_node); |
| 4517 | | } |
| 4518 | | |
| 4519 | | if (init_count == 0) { |
| 4520 | | return rhs_node; |
| 4521 | | } |
| 4522 | | |
| 4523 | | return trans_create_node_bin_op(c, init_node, BinOpTypeArrayCat, rhs_node); |
| 4524 | | } |
| 4525 | | case ZigClangAPValueLValue: { |
| 4526 | | const ZigClangAPValueLValueBase lval_base = ZigClangAPValue_getLValueBase(ap_value); |
| 4527 | | if (const ZigClangExpr *expr = ZigClangAPValueLValueBase_dyn_cast_Expr(lval_base)) { |
| 4528 | | return trans_expr(c, ResultUsedYes, &c->global_scope->base, expr, TransRValue); |
| 4529 | | } |
| 4530 | | emit_warning(c, source_loc, "TODO handle initializer LValue ValueDecl"); |
| 4531 | | return nullptr; |
| 4532 | | } |
| 4533 | | case ZigClangAPValueFloat: |
| 4534 | | emit_warning(c, source_loc, "unsupported initializer value kind: Float"); |
| 4535 | | return nullptr; |
| 4536 | | case ZigClangAPValueComplexInt: |
| 4537 | | emit_warning(c, source_loc, "unsupported initializer value kind: ComplexInt"); |
| 4538 | | return nullptr; |
| 4539 | | case ZigClangAPValueComplexFloat: |
| 4540 | | emit_warning(c, source_loc, "unsupported initializer value kind: ComplexFloat"); |
| 4541 | | return nullptr; |
| 4542 | | case ZigClangAPValueVector: |
| 4543 | | emit_warning(c, source_loc, "unsupported initializer value kind: Vector"); |
| 4544 | | return nullptr; |
| 4545 | | case ZigClangAPValueStruct: |
| 4546 | | emit_warning(c, source_loc, "unsupported initializer value kind: Struct"); |
| 4547 | | return nullptr; |
| 4548 | | case ZigClangAPValueUnion: |
| 4549 | | emit_warning(c, source_loc, "unsupported initializer value kind: Union"); |
| 4550 | | return nullptr; |
| 4551 | | case ZigClangAPValueMemberPointer: |
| 4552 | | emit_warning(c, source_loc, "unsupported initializer value kind: MemberPointer"); |
| 4553 | | return nullptr; |
| 4554 | | case ZigClangAPValueAddrLabelDiff: |
| 4555 | | emit_warning(c, source_loc, "unsupported initializer value kind: AddrLabelDiff"); |
| 4556 | | return nullptr; |
| 4557 | | case ZigClangAPValueIndeterminate: |
| 4558 | | emit_warning(c, source_loc, "unsupported initializer value kind: Indeterminate"); |
| 4559 | | return nullptr; |
| 4560 | | case ZigClangAPValueFixedPoint: |
| 4561 | | emit_warning(c, source_loc, "unsupported initializer value kind: FixedPoint"); |
| 4562 | | return nullptr; |
| 4563 | | } |
| 4564 | | zig_unreachable(); |
| 4565 | | } |
| 4566 | | |
| 4567 | | static void visit_var_decl(Context *c, const ZigClangVarDecl *var_decl) { |
| 4568 | | Buf *name = buf_create_from_str(ZigClangDecl_getName_bytes_begin((const ZigClangDecl *)var_decl)); |
| 4569 | | |
| 4570 | | switch (ZigClangVarDecl_getTLSKind(var_decl)) { |
| 4571 | | case ZigClangVarDecl_TLSKind_None: |
| 4572 | | break; |
| 4573 | | case ZigClangVarDecl_TLSKind_Static: |
| 4574 | | emit_warning(c, ZigClangVarDecl_getLocation(var_decl), |
| 4575 | | "ignoring variable '%s' - static thread local storage", buf_ptr(name)); |
| 4576 | | return; |
| 4577 | | case ZigClangVarDecl_TLSKind_Dynamic: |
| 4578 | | emit_warning(c, ZigClangVarDecl_getLocation(var_decl), |
| 4579 | | "ignoring variable '%s' - dynamic thread local storage", buf_ptr(name)); |
| 4580 | | return; |
| 4581 | | } |
| 4582 | | |
| 4583 | | ZigClangQualType qt = ZigClangVarDecl_getType(var_decl); |
| 4584 | | AstNode *var_type = trans_qual_type(c, qt, ZigClangVarDecl_getLocation(var_decl)); |
| 4585 | | if (var_type == nullptr) { |
| 4586 | | emit_warning(c, ZigClangVarDecl_getLocation(var_decl), "ignoring variable '%s' - unresolved type", buf_ptr(name)); |
| 4587 | | return; |
| 4588 | | } |
| 4589 | | |
| 4590 | | bool is_extern = ZigClangVarDecl_hasExternalStorage(var_decl); |
| 4591 | | bool is_static = ZigClangVarDecl_isFileVarDecl(var_decl); |
| 4592 | | bool is_const = ZigClangQualType_isConstQualified(qt); |
| 4593 | | |
| 4594 | | if (is_static && !is_extern) { |
| 4595 | | AstNode *init_node; |
| 4596 | | if (ZigClangVarDecl_hasInit(var_decl)) { |
| 4597 | | const ZigClangAPValue *ap_value = ZigClangVarDecl_evaluateValue(var_decl); |
| 4598 | | if (ap_value == nullptr) { |
| 4599 | | emit_warning(c, ZigClangVarDecl_getLocation(var_decl), |
| 4600 | | "ignoring variable '%s' - unable to evaluate initializer", buf_ptr(name)); |
| 4601 | | return; |
| 4602 | | } |
| 4603 | | init_node = trans_ap_value(c, ap_value, qt, ZigClangVarDecl_getLocation(var_decl)); |
| 4604 | | if (init_node == nullptr) |
| 4605 | | return; |
| 4606 | | } else { |
| 4607 | | init_node = trans_create_node(c, NodeTypeUndefinedLiteral); |
| 4608 | | } |
| 4609 | | |
| 4610 | | AstNode *var_node = trans_create_node_var_decl_global(c, is_const, name, var_type, init_node); |
| 4611 | | add_top_level_decl(c, name, var_node); |
| 4612 | | return; |
| 4613 | | } |
| 4614 | | |
| 4615 | | if (is_extern) { |
| 4616 | | AstNode *var_node = trans_create_node_var_decl_global(c, is_const, name, var_type, nullptr); |
| 4617 | | var_node->data.variable_declaration.is_extern = true; |
| 4618 | | add_top_level_decl(c, name, var_node); |
| 4619 | | return; |
| 4620 | | } |
| 4621 | | |
| 4622 | | emit_warning(c, ZigClangVarDecl_getLocation(var_decl), |
| 4623 | | "ignoring variable '%s' - non-extern, non-static variable", buf_ptr(name)); |
| 4624 | | return; |
| 4625 | | } |
| 4626 | | |
| 4627 | | static bool decl_visitor(void *context, const ZigClangDecl *decl) { |
| 4628 | | Context *c = (Context*)context; |
| 4629 | | |
| 4630 | | switch (ZigClangDecl_getKind(decl)) { |
| 4631 | | case ZigClangDeclFunction: |
| 4632 | | visit_fn_decl(c, reinterpret_cast<const ZigClangFunctionDecl*>(decl)); |
| 4633 | | break; |
| 4634 | | case ZigClangDeclTypedef: |
| 4635 | | resolve_typedef_decl(c, reinterpret_cast<const ZigClangTypedefNameDecl *>(decl)); |
| 4636 | | break; |
| 4637 | | case ZigClangDeclEnum: |
| 4638 | | resolve_enum_decl(c, reinterpret_cast<const ZigClangEnumDecl *>(decl)); |
| 4639 | | break; |
| 4640 | | case ZigClangDeclRecord: |
| 4641 | | resolve_record_decl(c, reinterpret_cast<const ZigClangRecordDecl *>(decl)); |
| 4642 | | break; |
| 4643 | | case ZigClangDeclVar: |
| 4644 | | visit_var_decl(c, reinterpret_cast<const ZigClangVarDecl *>(decl)); |
| 4645 | | break; |
| 4646 | | default: |
| 4647 | | emit_warning(c, ZigClangDecl_getLocation(decl), "ignoring %s decl", ZigClangDecl_getDeclKindName(decl)); |
| 4648 | | } |
| 4649 | | |
| 4650 | | return true; |
| 4651 | | } |
| 4652 | | |
| 4653 | | static bool name_exists_global(Context *c, Buf *name) { |
| 4654 | | return get_global(c, name) != nullptr; |
| 4655 | | } |
| 4656 | | |
| 4657 | | static bool name_exists_scope(Context *c, Buf *name, TransScope *scope) { |
| 4658 | | while (scope != nullptr) { |
| 4659 | | if (scope->id == TransScopeIdVar) { |
| 4660 | | TransScopeVar *var_scope = (TransScopeVar *)scope; |
| 4661 | | if (buf_eql_buf(name, var_scope->zig_name)) { |
| 4662 | | return true; |
| 4663 | | } |
| 4664 | | } |
| 4665 | | scope = scope->parent; |
| 4666 | | } |
| 4667 | | return name_exists_global(c, name); |
| 4668 | | } |
| 4669 | | |
| 4670 | | static Buf *get_unique_name(Context *c, Buf *name, TransScope *scope) { |
| 4671 | | Buf *proposed_name = name; |
| 4672 | | int count = 0; |
| 4673 | | while (name_exists_scope(c, proposed_name, scope)) { |
| 4674 | | if (proposed_name == name) { |
| 4675 | | proposed_name = buf_alloc(); |
| 4676 | | } |
| 4677 | | buf_resize(proposed_name, 0); |
| 4678 | | buf_appendf(proposed_name, "%s_%d", buf_ptr(name), count); |
| 4679 | | count += 1; |
| 4680 | | } |
| 4681 | | return proposed_name; |
| 4682 | | } |
| 4683 | | |
| 4684 | | static TransScopeRoot *trans_scope_root_create(Context *c) { |
| 4685 | | TransScopeRoot *result = allocate<TransScopeRoot>(1); |
| 4686 | | result->base.id = TransScopeIdRoot; |
| 4687 | | return result; |
| 4688 | | } |
| 4689 | | |
| 4690 | | static TransScopeWhile *trans_scope_while_create(Context *c, TransScope *parent_scope) { |
| 4691 | | TransScopeWhile *result = allocate<TransScopeWhile>(1); |
| 4692 | | result->base.id = TransScopeIdWhile; |
| 4693 | | result->base.parent = parent_scope; |
| 4694 | | result->node = trans_create_node(c, NodeTypeWhileExpr); |
| 4695 | | return result; |
| 4696 | | } |
| 4697 | | |
| 4698 | | static TransScopeBlock *trans_scope_block_create(Context *c, TransScope *parent_scope) { |
| 4699 | | TransScopeBlock *result = allocate<TransScopeBlock>(1); |
| 4700 | | result->base.id = TransScopeIdBlock; |
| 4701 | | result->base.parent = parent_scope; |
| 4702 | | result->node = trans_create_node(c, NodeTypeBlock); |
| 4703 | | return result; |
| 4704 | | } |
| 4705 | | |
| 4706 | | static TransScopeVar *trans_scope_var_create(Context *c, TransScope *parent_scope, Buf *wanted_name) { |
| 4707 | | TransScopeVar *result = allocate<TransScopeVar>(1); |
| 4708 | | result->base.id = TransScopeIdVar; |
| 4709 | | result->base.parent = parent_scope; |
| 4710 | | result->c_name = wanted_name; |
| 4711 | | result->zig_name = get_unique_name(c, wanted_name, parent_scope); |
| 4712 | | return result; |
| 4713 | | } |
| 4714 | | |
| 4715 | | static TransScopeSwitch *trans_scope_switch_create(Context *c, TransScope *parent_scope) { |
| 4716 | | TransScopeSwitch *result = allocate<TransScopeSwitch>(1); |
| 4717 | | result->base.id = TransScopeIdSwitch; |
| 4718 | | result->base.parent = parent_scope; |
| 4719 | | result->switch_node = trans_create_node(c, NodeTypeSwitchExpr); |
| 4720 | | return result; |
| 4721 | | } |
| 4722 | | |
| 4723 | | static TransScopeBlock *trans_scope_block_find(TransScope *scope) { |
| 4724 | | while (scope != nullptr) { |
| 4725 | | if (scope->id == TransScopeIdBlock) { |
| 4726 | | return (TransScopeBlock *)scope; |
| 4727 | | } |
| 4728 | | scope = scope->parent; |
| 4729 | | } |
| 4730 | | return nullptr; |
| 4731 | | } |
| 4732 | | |
| 4733 | | static void render_aliases(Context *c) { |
| 4734 | | for (size_t i = 0; i < c->aliases.length; i += 1) { |
| 4735 | | Alias *alias = &c->aliases.at(i); |
| 4736 | | if (name_exists_global(c, alias->new_name)) |
| 4737 | | continue; |
| 4738 | | |
| 4739 | | add_global_var(c, alias->new_name, trans_create_node_symbol(c, alias->canon_name)); |
| 4740 | | } |
| 4741 | | } |
| 4742 | | |
| 4743 | | static AstNode *trans_lookup_ast_container_typeof(Context *c, AstNode *ref_node); |
| 4744 | | |
| 4745 | | static AstNode *trans_lookup_ast_container(Context *c, AstNode *type_node) { |
| 4746 | | if (type_node == nullptr) { |
| 4747 | | return nullptr; |
| 4748 | | } else if (type_node->type == NodeTypeContainerDecl) { |
| 4749 | | return type_node; |
| 4750 | | } else if (type_node->type == NodeTypePrefixOpExpr) { |
| 4751 | | return type_node; |
| 4752 | | } else if (type_node->type == NodeTypeSymbol) { |
| 4753 | | AstNode *existing_node = get_global(c, type_node->data.symbol_expr.symbol); |
| 4754 | | if (existing_node == nullptr) |
| 4755 | | return nullptr; |
| 4756 | | if (existing_node->type != NodeTypeVariableDeclaration) |
| 4757 | | return nullptr; |
| 4758 | | return trans_lookup_ast_container(c, existing_node->data.variable_declaration.expr); |
| 4759 | | } else if (type_node->type == NodeTypeFieldAccessExpr) { |
| 4760 | | AstNode *container_node = trans_lookup_ast_container_typeof(c, type_node->data.field_access_expr.struct_expr); |
| 4761 | | if (container_node == nullptr) |
| 4762 | | return nullptr; |
| 4763 | | if (container_node->type != NodeTypeContainerDecl) |
| 4764 | | return container_node; |
| 4765 | | |
| 4766 | | for (size_t i = 0; i < container_node->data.container_decl.fields.length; i += 1) { |
| 4767 | | AstNode *field_node = container_node->data.container_decl.fields.items[i]; |
| 4768 | | if (buf_eql_buf(field_node->data.struct_field.name, type_node->data.field_access_expr.field_name)) { |
| 4769 | | return trans_lookup_ast_container(c, field_node->data.struct_field.type); |
| 4770 | | } |
| 4771 | | } |
| 4772 | | return nullptr; |
| 4773 | | } else { |
| 4774 | | return nullptr; |
| 4775 | | } |
| 4776 | | } |
| 4777 | | |
| 4778 | | static AstNode *trans_lookup_ast_container_typeof(Context *c, AstNode *ref_node) { |
| 4779 | | if (ref_node->type == NodeTypeSymbol) { |
| 4780 | | AstNode *existing_node = get_global(c, ref_node->data.symbol_expr.symbol); |
| 4781 | | if (existing_node == nullptr) |
| 4782 | | return nullptr; |
| 4783 | | if (existing_node->type != NodeTypeVariableDeclaration) |
| 4784 | | return nullptr; |
| 4785 | | return trans_lookup_ast_container(c, existing_node->data.variable_declaration.type); |
| 4786 | | } else if (ref_node->type == NodeTypeFieldAccessExpr) { |
| 4787 | | AstNode *container_node = trans_lookup_ast_container_typeof(c, ref_node->data.field_access_expr.struct_expr); |
| 4788 | | if (container_node == nullptr) |
| 4789 | | return nullptr; |
| 4790 | | if (container_node->type != NodeTypeContainerDecl) |
| 4791 | | return container_node; |
| 4792 | | for (size_t i = 0; i < container_node->data.container_decl.fields.length; i += 1) { |
| 4793 | | AstNode *field_node = container_node->data.container_decl.fields.items[i]; |
| 4794 | | if (buf_eql_buf(field_node->data.struct_field.name, ref_node->data.field_access_expr.field_name)) { |
| 4795 | | return trans_lookup_ast_container(c, field_node->data.struct_field.type); |
| 4796 | | } |
| 4797 | | } |
| 4798 | | return nullptr; |
| 4799 | | } else { |
| 4800 | | return nullptr; |
| 4801 | | } |
| 4802 | | } |
| 4803 | | |
| 4804 | | static AstNode *trans_lookup_ast_maybe_fn(Context *c, AstNode *ref_node) { |
| 4805 | | AstNode *prefix_node = trans_lookup_ast_container_typeof(c, ref_node); |
| 4806 | | if (prefix_node == nullptr) |
| 4807 | | return nullptr; |
| 4808 | | if (prefix_node->type != NodeTypePrefixOpExpr) |
| 4809 | | return nullptr; |
| 4810 | | if (prefix_node->data.prefix_op_expr.prefix_op != PrefixOpOptional) |
| 4811 | | return nullptr; |
| 4812 | | |
| 4813 | | AstNode *fn_proto_node = prefix_node->data.prefix_op_expr.primary_expr; |
| 4814 | | if (fn_proto_node->type != NodeTypeFnProto) |
| 4815 | | return nullptr; |
| 4816 | | |
| 4817 | | return fn_proto_node; |
| 4818 | | } |
| 4819 | | |
| 4820 | | static void render_macros(Context *c) { |
| 4821 | | auto it = c->macro_table.entry_iterator(); |
| 4822 | | for (;;) { |
| 4823 | | auto *entry = it.next(); |
| 4824 | | if (!entry) |
| 4825 | | break; |
| 4826 | | |
| 4827 | | AstNode *proto_node; |
| 4828 | | AstNode *value_node = entry->value; |
| 4829 | | if (value_node->type == NodeTypeFnDef) { |
| 4830 | | add_top_level_decl(c, value_node->data.fn_def.fn_proto->data.fn_proto.name, value_node); |
| 4831 | | } else if ((proto_node = trans_lookup_ast_maybe_fn(c, value_node))) { |
| 4832 | | // If a macro aliases a global variable which is a function pointer, we conclude that |
| 4833 | | // the macro is intended to represent a function that assumes the function pointer |
| 4834 | | // variable is non-null and calls it. |
| 4835 | | AstNode *inline_fn_node = trans_create_node_inline_fn(c, entry->key, value_node, proto_node); |
| 4836 | | add_top_level_decl(c, entry->key, inline_fn_node); |
| 4837 | | } else { |
| 4838 | | add_global_var(c, entry->key, value_node); |
| 4839 | | } |
| 4840 | | } |
| 4841 | | } |
| 4842 | | |
| 4843 | | static AstNode *parse_ctok_primary_expr(Context *c, CTokenize *ctok, size_t *tok_i); |
| 4844 | | static AstNode *parse_ctok_expr(Context *c, CTokenize *ctok, size_t *tok_i); |
| 4845 | | static AstNode *parse_ctok_prefix_op_expr(Context *c, CTokenize *ctok, size_t *tok_i); |
| 4846 | | |
| 4847 | | static AstNode *parse_ctok_num_lit(Context *c, CTokenize *ctok, size_t *tok_i, bool negate) { |
| 4848 | | CTok *tok = &ctok->tokens.at(*tok_i); |
| 4849 | | if (tok->id == CTokIdNumLitInt) { |
| 4850 | | *tok_i += 1; |
| 4851 | | switch (tok->data.num_lit_int.suffix) { |
| 4852 | | case CNumLitSuffixNone: |
| 4853 | | return trans_create_node_unsigned_negative(c, tok->data.num_lit_int.x, negate); |
| 4854 | | case CNumLitSuffixL: |
| 4855 | | return trans_create_node_unsigned_negative_type(c, tok->data.num_lit_int.x, negate, "c_long"); |
| 4856 | | case CNumLitSuffixU: |
| 4857 | | return trans_create_node_unsigned_negative_type(c, tok->data.num_lit_int.x, negate, "c_uint"); |
| 4858 | | case CNumLitSuffixLU: |
| 4859 | | return trans_create_node_unsigned_negative_type(c, tok->data.num_lit_int.x, negate, "c_ulong"); |
| 4860 | | case CNumLitSuffixLL: |
| 4861 | | return trans_create_node_unsigned_negative_type(c, tok->data.num_lit_int.x, negate, "c_longlong"); |
| 4862 | | case CNumLitSuffixLLU: |
| 4863 | | return trans_create_node_unsigned_negative_type(c, tok->data.num_lit_int.x, negate, "c_ulonglong"); |
| 4864 | | } |
| 4865 | | zig_unreachable(); |
| 4866 | | } else if (tok->id == CTokIdNumLitFloat) { |
| 4867 | | *tok_i += 1; |
| 4868 | | double value = negate ? -tok->data.num_lit_float : tok->data.num_lit_float; |
| 4869 | | return trans_create_node_float_lit(c, value); |
| 4870 | | } |
| 4871 | | return nullptr; |
| 4872 | | } |
| 4873 | | |
| 4874 | | static AstNode *parse_ctok_primary_expr(Context *c, CTokenize *ctok, size_t *tok_i) { |
| 4875 | | CTok *tok = &ctok->tokens.at(*tok_i); |
| 4876 | | switch (tok->id) { |
| 4877 | | case CTokIdCharLit: |
| 4878 | | *tok_i += 1; |
| 4879 | | return trans_create_node_unsigned(c, tok->data.char_lit); |
| 4880 | | case CTokIdStrLit: |
| 4881 | | *tok_i += 1; |
| 4882 | | return trans_create_node_str_lit(c, buf_create_from_buf(&tok->data.str_lit)); |
| 4883 | | case CTokIdMinus: |
| 4884 | | *tok_i += 1; |
| 4885 | | return parse_ctok_num_lit(c, ctok, tok_i, true); |
| 4886 | | case CTokIdNumLitInt: |
| 4887 | | case CTokIdNumLitFloat: |
| 4888 | | return parse_ctok_num_lit(c, ctok, tok_i, false); |
| 4889 | | case CTokIdSymbol: |
| 4890 | | { |
| 4891 | | *tok_i += 1; |
| 4892 | | Buf *symbol_name = buf_create_from_buf(&tok->data.symbol); |
| 4893 | | return trans_create_node_symbol(c, symbol_name); |
| 4894 | | } |
| 4895 | | case CTokIdLParen: |
| 4896 | | { |
| 4897 | | *tok_i += 1; |
| 4898 | | AstNode *inner_node = parse_ctok_expr(c, ctok, tok_i); |
| 4899 | | if (inner_node == nullptr) { |
| 4900 | | return nullptr; |
| 4901 | | } |
| 4902 | | |
| 4903 | | CTok *next_tok = &ctok->tokens.at(*tok_i); |
| 4904 | | if (next_tok->id == CTokIdRParen) { |
| 4905 | | *tok_i += 1; |
| 4906 | | return inner_node; |
| 4907 | | } |
| 4908 | | |
| 4909 | | AstNode *node_to_cast = parse_ctok_expr(c, ctok, tok_i); |
| 4910 | | if (node_to_cast == nullptr) { |
| 4911 | | return nullptr; |
| 4912 | | } |
| 4913 | | |
| 4914 | | CTok *next_tok2 = &ctok->tokens.at(*tok_i); |
| 4915 | | if (next_tok2->id != CTokIdRParen) { |
| 4916 | | return nullptr; |
| 4917 | | } |
| 4918 | | *tok_i += 1; |
| 4919 | | |
| 4920 | | |
| 4921 | | //if (@typeId(@TypeOf(x)) == @import("builtin").TypeId.Pointer) |
| 4922 | | // @ptrCast(dest, x) |
| 4923 | | //else if (@typeId(@TypeOf(x)) == @import("builtin").TypeId.Integer) |
| 4924 | | // @intToPtr(dest, x) |
| 4925 | | //else |
| 4926 | | // (dest)(x) |
| 4927 | | |
| 4928 | | AstNode *import_builtin = trans_create_node_builtin_fn_call_str(c, "import"); |
| 4929 | | import_builtin->data.fn_call_expr.params.append(trans_create_node_str_lit(c, buf_create_from_str("builtin"))); |
| 4930 | | AstNode *typeid_type = trans_create_node_field_access_str(c, import_builtin, "TypeId"); |
| 4931 | | AstNode *typeid_pointer = trans_create_node_field_access_str(c, typeid_type, "Pointer"); |
| 4932 | | AstNode *typeid_integer = trans_create_node_field_access_str(c, typeid_type, "Int"); |
| 4933 | | AstNode *typeof_x = trans_create_node_builtin_fn_call_str(c, "TypeOf"); |
| 4934 | | typeof_x->data.fn_call_expr.params.append(node_to_cast); |
| 4935 | | AstNode *typeid_value = trans_create_node_builtin_fn_call_str(c, "typeId"); |
| 4936 | | typeid_value->data.fn_call_expr.params.append(typeof_x); |
| 4937 | | |
| 4938 | | AstNode *outer_if_cond = trans_create_node_bin_op(c, typeid_value, BinOpTypeCmpEq, typeid_pointer); |
| 4939 | | AstNode *inner_if_cond = trans_create_node_bin_op(c, typeid_value, BinOpTypeCmpEq, typeid_integer); |
| 4940 | | AstNode *inner_if_then = trans_create_node_builtin_fn_call_str(c, "intToPtr"); |
| 4941 | | inner_if_then->data.fn_call_expr.params.append(inner_node); |
| 4942 | | inner_if_then->data.fn_call_expr.params.append(node_to_cast); |
| 4943 | | AstNode *inner_if_else = trans_create_node_cast(c, inner_node, node_to_cast); |
| 4944 | | AstNode *inner_if = trans_create_node_if(c, inner_if_cond, inner_if_then, inner_if_else); |
| 4945 | | AstNode *outer_if_then = trans_create_node_builtin_fn_call_str(c, "ptrCast"); |
| 4946 | | outer_if_then->data.fn_call_expr.params.append(inner_node); |
| 4947 | | outer_if_then->data.fn_call_expr.params.append(node_to_cast); |
| 4948 | | return trans_create_node_if(c, outer_if_cond, outer_if_then, inner_if); |
| 4949 | | } |
| 4950 | | case CTokIdDot: |
| 4951 | | case CTokIdEOF: |
| 4952 | | case CTokIdRParen: |
| 4953 | | case CTokIdAsterisk: |
| 4954 | | case CTokIdBang: |
| 4955 | | case CTokIdTilde: |
| 4956 | | case CTokIdShl: |
| 4957 | | case CTokIdLt: |
| 4958 | | // not able to make sense of this |
| 4959 | | return nullptr; |
| 4960 | | } |
| 4961 | | zig_unreachable(); |
| 4962 | | } |
| 4963 | | |
| 4964 | | static AstNode *parse_ctok_expr(Context *c, CTokenize *ctok, size_t *tok_i) { |
| 4965 | | return parse_ctok_prefix_op_expr(c, ctok, tok_i); |
| 4966 | | } |
| 4967 | | |
| 4968 | | static AstNode *parse_ctok_suffix_op_expr(Context *c, CTokenize *ctok, size_t *tok_i) { |
| 4969 | | AstNode *node = parse_ctok_primary_expr(c, ctok, tok_i); |
| 4970 | | if (node == nullptr) |
| 4971 | | return nullptr; |
| 4972 | | |
| 4973 | | while (true) { |
| 4974 | | CTok *first_tok = &ctok->tokens.at(*tok_i); |
| 4975 | | if (first_tok->id == CTokIdDot) { |
| 4976 | | *tok_i += 1; |
| 4977 | | |
| 4978 | | CTok *name_tok = &ctok->tokens.at(*tok_i); |
| 4979 | | if (name_tok->id != CTokIdSymbol) { |
| 4980 | | return nullptr; |
| 4981 | | } |
| 4982 | | *tok_i += 1; |
| 4983 | | |
| 4984 | | node = trans_create_node_field_access(c, node, buf_create_from_buf(&name_tok->data.symbol)); |
| 4985 | | } else if (first_tok->id == CTokIdAsterisk) { |
| 4986 | | *tok_i += 1; |
| 4987 | | |
| 4988 | | node = trans_create_node_ptr_type(c, false, false, node, PtrLenC); |
| 4989 | | } else if (first_tok->id == CTokIdShl) { |
| 4990 | | *tok_i += 1; |
| 4991 | | |
| 4992 | | AstNode *rhs_node = parse_ctok_expr(c, ctok, tok_i); |
| 4993 | | if (rhs_node == nullptr) |
| 4994 | | return nullptr; |
| 4995 | | node = trans_create_node_bin_op(c, node, BinOpTypeBitShiftLeft, rhs_node); |
| 4996 | | } else { |
| 4997 | | return node; |
| 4998 | | } |
| 4999 | | } |
| 5000 | | } |
| 5001 | | |
| 5002 | | static AstNode *parse_ctok_prefix_op_expr(Context *c, CTokenize *ctok, size_t *tok_i) { |
| 5003 | | CTok *op_tok = &ctok->tokens.at(*tok_i); |
| 5004 | | |
| 5005 | | switch (op_tok->id) { |
| 5006 | | case CTokIdBang: |
| 5007 | | { |
| 5008 | | *tok_i += 1; |
| 5009 | | AstNode *prefix_op_expr = parse_ctok_prefix_op_expr(c, ctok, tok_i); |
| 5010 | | if (prefix_op_expr == nullptr) |
| 5011 | | return nullptr; |
| 5012 | | return trans_create_node_prefix_op(c, PrefixOpBoolNot, prefix_op_expr); |
| 5013 | | } |
| 5014 | | case CTokIdMinus: |
| 5015 | | { |
| 5016 | | *tok_i += 1; |
| 5017 | | AstNode *prefix_op_expr = parse_ctok_prefix_op_expr(c, ctok, tok_i); |
| 5018 | | if (prefix_op_expr == nullptr) |
| 5019 | | return nullptr; |
| 5020 | | return trans_create_node_prefix_op(c, PrefixOpNegation, prefix_op_expr); |
| 5021 | | } |
| 5022 | | case CTokIdTilde: |
| 5023 | | { |
| 5024 | | *tok_i += 1; |
| 5025 | | AstNode *prefix_op_expr = parse_ctok_prefix_op_expr(c, ctok, tok_i); |
| 5026 | | if (prefix_op_expr == nullptr) |
| 5027 | | return nullptr; |
| 5028 | | return trans_create_node_prefix_op(c, PrefixOpBinNot, prefix_op_expr); |
| 5029 | | } |
| 5030 | | case CTokIdAsterisk: |
| 5031 | | { |
| 5032 | | *tok_i += 1; |
| 5033 | | AstNode *prefix_op_expr = parse_ctok_prefix_op_expr(c, ctok, tok_i); |
| 5034 | | if (prefix_op_expr == nullptr) |
| 5035 | | return nullptr; |
| 5036 | | return trans_create_node_ptr_deref(c, prefix_op_expr); |
| 5037 | | } |
| 5038 | | default: |
| 5039 | | return parse_ctok_suffix_op_expr(c, ctok, tok_i); |
| 5040 | | } |
| 5041 | | } |
| 5042 | | |
| 5043 | | static void process_macro(Context *c, CTokenize *ctok, Buf *name, const char *char_ptr) { |
| 5044 | | tokenize_c_macro(ctok, (const uint8_t *)char_ptr); |
| 5045 | | |
| 5046 | | if (ctok->error) { |
| 5047 | | return; |
| 5048 | | } |
| 5049 | | |
| 5050 | | size_t tok_i = 0; |
| 5051 | | CTok *name_tok = &ctok->tokens.at(tok_i); |
| 5052 | | assert(name_tok->id == CTokIdSymbol && buf_eql_buf(&name_tok->data.symbol, name)); |
| 5053 | | tok_i += 1; |
| 5054 | | |
| 5055 | | AstNode *result_node = parse_ctok_suffix_op_expr(c, ctok, &tok_i); |
| 5056 | | if (result_node == nullptr) { |
| 5057 | | return; |
| 5058 | | } |
| 5059 | | CTok *eof_tok = &ctok->tokens.at(tok_i); |
| 5060 | | if (eof_tok->id != CTokIdEOF) { |
| 5061 | | return; |
| 5062 | | } |
| 5063 | | if (result_node->type == NodeTypeSymbol) { |
| 5064 | | // if it equals itself, ignore. for example, from stdio.h: |
| 5065 | | // #define stdin stdin |
| 5066 | | Buf *symbol_name = result_node->data.symbol_expr.symbol; |
| 5067 | | if (buf_eql_buf(name, symbol_name)) { |
| 5068 | | return; |
| 5069 | | } |
| 5070 | | } |
| 5071 | | c->macro_table.put(name, result_node); |
| 5072 | | } |
| 5073 | | |
| 5074 | | static void process_preprocessor_entities(Context *c, ZigClangASTUnit *unit) { |
| 5075 | | CTokenize ctok = {{0}}; |
| 5076 | | |
| 5077 | | // TODO if we see #undef, delete it from the table |
| 5078 | | for (ZigClangPreprocessingRecord_iterator it = ZigClangASTUnit_getLocalPreprocessingEntities_begin(unit), |
| 5079 | | it_end = ZigClangASTUnit_getLocalPreprocessingEntities_end(unit); it.I != it_end.I; it.I += 1) |
| 5080 | | { |
| 5081 | | ZigClangPreprocessedEntity *entity = ZigClangPreprocessingRecord_iterator_deref(it); |
| 5082 | | |
| 5083 | | switch (ZigClangPreprocessedEntity_getKind(entity)) { |
| 5084 | | case ZigClangPreprocessedEntity_InvalidKind: |
| 5085 | | case ZigClangPreprocessedEntity_InclusionDirectiveKind: |
| 5086 | | case ZigClangPreprocessedEntity_MacroExpansionKind: |
| 5087 | | continue; |
| 5088 | | case ZigClangPreprocessedEntity_MacroDefinitionKind: |
| 5089 | | { |
| 5090 | | ZigClangMacroDefinitionRecord *macro = reinterpret_cast<ZigClangMacroDefinitionRecord *>(entity); |
| 5091 | | const char *raw_name = ZigClangMacroDefinitionRecord_getName_getNameStart(macro); |
| 5092 | | ZigClangSourceLocation begin_loc = ZigClangMacroDefinitionRecord_getSourceRange_getBegin(macro); |
| 5093 | | ZigClangSourceLocation end_loc = ZigClangMacroDefinitionRecord_getSourceRange_getEnd(macro); |
| 5094 | | |
| 5095 | | if (ZigClangSourceLocation_eq(begin_loc, end_loc)) { |
| 5096 | | // this means it is a macro without a value |
| 5097 | | // we don't care about such things |
| 5098 | | continue; |
| 5099 | | } |
| 5100 | | Buf *name = buf_create_from_str(raw_name); |
| 5101 | | if (name_exists_global(c, name)) { |
| 5102 | | continue; |
| 5103 | | } |
| 5104 | | |
| 5105 | | const char *begin_c = ZigClangSourceManager_getCharacterData(c->source_manager, begin_loc); |
| 5106 | | process_macro(c, &ctok, name, begin_c); |
| 5107 | | } |
| 5108 | | } |
| 5109 | | } |
| 5110 | | } |
| 5111 | | |
| 5112 | | Error parse_h_file(CodeGen *codegen, AstNode **out_root_node, |
| 5113 | | Stage2ErrorMsg **errors_ptr, size_t *errors_len, |
| 5114 | | const char **args_begin, const char **args_end, |
| 5115 | | TranslateMode mode, const char *resources_path) |
| 5116 | | { |
| 5117 | | Context context = {0}; |
| 5118 | | Context *c = &context; |
| 5119 | | c->warnings_on = codegen->verbose_cimport; |
| 5120 | | if (mode == TranslateModeImport) { |
| 5121 | | c->want_export = false; |
| 5122 | | } else { |
| 5123 | | c->want_export = true; |
| 5124 | | } |
| 5125 | | c->decl_table.init(8); |
| 5126 | | c->macro_table.init(8); |
| 5127 | | c->global_table.init(8); |
| 5128 | | c->ptr_params.init(8); |
| 5129 | | c->codegen = codegen; |
| 5130 | | c->global_scope = trans_scope_root_create(c); |
| 5131 | | |
| 5132 | | ZigClangASTUnit *ast_unit = ZigClangLoadFromCommandLine(args_begin, args_end, errors_ptr, errors_len, |
| 5133 | | resources_path); |
| 5134 | | if (ast_unit == nullptr) { |
| 5135 | | if (*errors_len == 0) return ErrorNoMem; |
| 5136 | | return ErrorCCompileErrors; |
| 5137 | | } |
| 5138 | | |
| 5139 | | c->ctx = ZigClangASTUnit_getASTContext(ast_unit); |
| 5140 | | c->source_manager = ZigClangASTUnit_getSourceManager(ast_unit); |
| 5141 | | c->root = trans_create_node(c, NodeTypeContainerDecl); |
| 5142 | | c->root->data.container_decl.is_root = true; |
| 5143 | | |
| 5144 | | ZigClangASTUnit_visitLocalTopLevelDecls(ast_unit, c, decl_visitor); |
| 5145 | | |
| 5146 | | process_preprocessor_entities(c, ast_unit); |
| 5147 | | |
| 5148 | | render_macros(c); |
| 5149 | | render_aliases(c); |
| 5150 | | |
| 5151 | | *out_root_node = c->root; |
| 5152 | | |
| 5153 | | ZigClangASTUnit_delete(ast_unit); |
| 5154 | | |
| 5155 | | return ErrorNone; |
| 5156 | | } |
Veikka Tuominen <git@vexu.eu> 2019-12-21 14:38:32+02:00