| ... | ... | @@ -259,7 +259,7 @@ class TypePrinter: |
| 259 | 259 | def to_string(self): |
| 260 | 260 | tag = self.tag() |
| 261 | 261 | if tag is None: |
| 262 | | return 'Type.(invalid type)' |
| 262 | return '(invalid type)' |
| 263 | 263 | if self.val['tag_if_small_enough'] < TypePrinter.no_payload_count: |
| 264 | 264 | return '.%s' % str(tag) |
| 265 | 265 | return None |
| ... | ... | @@ -274,6 +274,96 @@ class TypePrinter: |
| 274 | 274 | if payload_type is not None: |
| 275 | 275 | yield ('payload', self.val['ptr_otherwise'].cast(payload_type.pointer()).dereference()['data']) |
| 276 | 276 | |
| 277 | class ValuePrinter: |
| 278 | no_payload_count = 4096 |
| 279 | |
| 280 | # Keep in sync with src/value.zig |
| 281 | # Values which have no payload do not need to be entered here. |
| 282 | payload_type_names = { |
| 283 | 'big_int_positive': 'BigInt', |
| 284 | 'big_int_negative': 'BigInt', |
| 285 | |
| 286 | 'extern_fn': 'ExternFn', |
| 287 | |
| 288 | 'decl_ref': 'Decl', |
| 289 | |
| 290 | 'repeated': 'SubValue', |
| 291 | 'eu_payload': 'SubValue', |
| 292 | 'opt_payload': 'SubValue', |
| 293 | 'empty_array_sentinel': 'SubValue', |
| 294 | |
| 295 | 'eu_payload_ptr': 'PayloadPtr', |
| 296 | 'opt_payload_ptr': 'PayloadPtr', |
| 297 | |
| 298 | 'bytes': 'Bytes', |
| 299 | 'enum_literal': 'Bytes', |
| 300 | |
| 301 | 'slice': 'Slice', |
| 302 | |
| 303 | 'enum_field_index': 'U32', |
| 304 | |
| 305 | 'ty': 'Ty', |
| 306 | 'int_type': 'IntType', |
| 307 | 'int_u64': 'U64', |
| 308 | 'int_i64': 'I64', |
| 309 | 'function': 'Function', |
| 310 | 'variable': 'Variable', |
| 311 | 'decl_ref_mut': 'DeclRefMut', |
| 312 | 'elem_ptr': 'ElemPtr', |
| 313 | 'field_ptr': 'FieldPtr', |
| 314 | 'float_16': 'Float_16', |
| 315 | 'float_32': 'Float_32', |
| 316 | 'float_64': 'Float_64', |
| 317 | 'float_80': 'Float_80', |
| 318 | 'float_128': 'Float_128', |
| 319 | 'error': 'Error', |
| 320 | 'inferred_alloc': 'InferredAlloc', |
| 321 | 'inferred_alloc_comptime': 'InferredAllocComptime', |
| 322 | 'aggregate': 'Aggregate', |
| 323 | 'union': 'Union', |
| 324 | 'bound_fn': 'BoundFn', |
| 325 | } |
| 326 | |
| 327 | def __init__(self, val): |
| 328 | self.val = val |
| 329 | |
| 330 | def tag(self): |
| 331 | tag_if_small_enough = self.val['tag_if_small_enough'] |
| 332 | tag_type = tag_if_small_enough.type |
| 333 | |
| 334 | if tag_if_small_enough < ValuePrinter.no_payload_count: |
| 335 | return tag_if_small_enough |
| 336 | else: |
| 337 | return self.val['ptr_otherwise'].dereference()['tag'] |
| 338 | |
| 339 | def payload_type(self): |
| 340 | tag = self.tag() |
| 341 | if tag is None: |
| 342 | return None |
| 343 | |
| 344 | type_name = ValuePrinter.payload_type_names.get(str(tag)) |
| 345 | if type_name is None: |
| 346 | return None |
| 347 | return gdb.lookup_type('struct value.%s' % type_name) |
| 348 | |
| 349 | def to_string(self): |
| 350 | tag = self.tag() |
| 351 | if tag is None: |
| 352 | return '(invalid value)' |
| 353 | if self.val['tag_if_small_enough'] < ValuePrinter.no_payload_count: |
| 354 | return '.%s' % str(tag) |
| 355 | return None |
| 356 | |
| 357 | def children(self): |
| 358 | if self.val['tag_if_small_enough'] < ValuePrinter.no_payload_count: |
| 359 | return |
| 360 | |
| 361 | yield ('tag', '.%s' % str(self.tag())) |
| 362 | |
| 363 | payload_type = self.payload_type() |
| 364 | if payload_type is not None: |
| 365 | yield ('payload', self.val['ptr_otherwise'].cast(payload_type.pointer()).dereference()['data']) |
| 366 | |
| 277 | 367 | pp1 = gdb.printing.RegexpCollectionPrettyPrinter('Zig stage1 compiler') |
| 278 | 368 | pp1.add_printer('Buf', '^Buf$', BufPrinter) |
| 279 | 369 | pp1.add_printer('ZigList<char>', '^ZigList<char>$', BufPrinter) |
| ... | ... | @@ -293,6 +383,7 @@ ppstd.add_printer('ArrayHashMap', r'^std\.array_hash_map\.ArrayHashMap(Unmanaged |
| 293 | 383 | gdb.printing.register_pretty_printer(gdb.current_objfile(), ppstd) |
| 294 | 384 | |
| 295 | 385 | pp2 = gdb.printing.RegexpCollectionPrettyPrinter('Zig stage2 compiler') |
| 296 | | ppstd.add_printer('Type', r'^type\.Type$', TypePrinter) |
| 386 | pp2.add_printer('Type', r'^type\.Type$', TypePrinter) |
| 387 | pp2.add_printer('Value', r'^value\.Value$', ValuePrinter) |
| 297 | 388 | gdb.printing.register_pretty_printer(gdb.current_objfile(), pp2) |
| 298 | 389 | |
Robin Voetter <robin@voetter.nl> 2022-03-16 17:57:31+01:00
src