| ... | @@ -218,24 +218,54 @@ pub const Tree = struct { | ... | @@ -218,24 +218,54 @@ pub const Tree = struct { |
| 218 | } | 218 | } |
| 219 | const Positionals = @TypeOf(inst.positionals); | 219 | const Positionals = @TypeOf(inst.positionals); |
| 220 | try stream.writeAll("= " ++ @tagName(inst_tag) ++ "("); | 220 | try stream.writeAll("= " ++ @tagName(inst_tag) ++ "("); |
| 221 | inline for (@typeInfo(Positionals).Struct.fields) |arg_field, i| { | 221 | const pos_fields = @typeInfo(Positionals).Struct.fields; |
| | 222 | inline for (pos_fields) |arg_field, i| { |
| 222 | if (i != 0) { | 223 | if (i != 0) { |
| 223 | try stream.writeAll(", "); | 224 | try stream.writeAll(", "); |
| 224 | } | 225 | } |
| 225 | try self.writeParamToStream(stream, @field(inst.positionals, arg_field.name), inst_table); | 226 | try self.writeParamToStream(stream, @field(inst.positionals, arg_field.name), inst_table); |
| 226 | } | 227 | } |
| | 228 | |
| | 229 | comptime var need_comma = pos_fields.len != 0; |
| | 230 | const KW_Args = @TypeOf(inst.kw_args); |
| | 231 | inline for (@typeInfo(KW_Args).Struct.fields) |arg_field, i| { |
| | 232 | if (need_comma) { |
| | 233 | try stream.writeAll(",\n "); |
| | 234 | } |
| | 235 | if (@typeInfo(arg_field.field_type) == .Optional) { |
| | 236 | if (@field(inst.kw_args, arg_field.name)) |non_optional| { |
| | 237 | try stream.print("{}=", .{arg_field.name}); |
| | 238 | try self.writeParamToStream(stream, non_optional, inst_table); |
| | 239 | need_comma = true; |
| | 240 | } |
| | 241 | } else { |
| | 242 | try stream.print("{}=", .{arg_field.name}); |
| | 243 | try self.writeParamToStream(stream, @field(inst.kw_args, arg_field.name), inst_table); |
| | 244 | need_comma = true; |
| | 245 | } |
| | 246 | } |
| | 247 | |
| 227 | try stream.writeByte(')'); | 248 | try stream.writeByte(')'); |
| 228 | } | 249 | } |
| 229 | | 250 | |
| 230 | pub fn writeParamToStream(self: Tree, stream: var, param: var, inst_table: *const InstPtrTable) !void { | 251 | fn writeParamToStream(self: Tree, stream: var, param: var, inst_table: *const InstPtrTable) !void { |
| | 252 | if (@typeInfo(@TypeOf(param)) == .Enum) { |
| | 253 | return stream.writeAll(@tagName(param)); |
| | 254 | } |
| 231 | switch (@TypeOf(param)) { | 255 | switch (@TypeOf(param)) { |
| 232 | Value => { | 256 | Value => { |
| 233 | try stream.print("{}", .{param}); | 257 | try stream.print("{}", .{param}); |
| 234 | }, | 258 | }, |
| 235 | *Inst => { | 259 | *Inst => return self.writeInstParamToStream(stream, param, inst_table), |
| 236 | const info = inst_table.getValue(param).?; | 260 | []*Inst => { |
| 237 | const prefix = if (info.fn_body == null) "@" else "%"; | 261 | try stream.writeByte('['); |
| 238 | try stream.print("{}{}", .{ prefix, info.index }); | 262 | for (param) |inst, i| { |
| | 263 | if (i != 0) { |
| | 264 | try stream.writeAll(", "); |
| | 265 | } |
| | 266 | try self.writeInstParamToStream(stream, inst, inst_table); |
| | 267 | } |
| | 268 | try stream.writeByte(']'); |
| 239 | }, | 269 | }, |
| 240 | Inst.Fn.Body => { | 270 | Inst.Fn.Body => { |
| 241 | try stream.writeAll("{\n"); | 271 | try stream.writeAll("{\n"); |
| ... | @@ -246,9 +276,16 @@ pub const Tree = struct { | ... | @@ -246,9 +276,16 @@ pub const Tree = struct { |
| 246 | } | 276 | } |
| 247 | try stream.writeByte('}'); | 277 | try stream.writeByte('}'); |
| 248 | }, | 278 | }, |
| | 279 | bool => return stream.writeByte("01"[@boolToInt(param)]), |
| 249 | else => |T| @compileError("unimplemented: rendering parameter of type " ++ @typeName(T)), | 280 | else => |T| @compileError("unimplemented: rendering parameter of type " ++ @typeName(T)), |
| 250 | } | 281 | } |
| 251 | } | 282 | } |
| | 283 | |
| | 284 | fn writeInstParamToStream(self: Tree, stream: var, inst: *Inst, inst_table: *const InstPtrTable) !void { |
| | 285 | const info = inst_table.getValue(inst).?; |
| | 286 | const prefix = if (info.fn_body == null) "@" else "%"; |
| | 287 | try stream.print("{}{}", .{ prefix, info.index }); |
| | 288 | } |
| 252 | }; | 289 | }; |
| 253 | | 290 | |
| 254 | const ParseContext = struct { | 291 | const ParseContext = struct { |
Andrew Kelley <andrew@ziglang.org> 2020-04-19 23:59:00-04:00
src-self-hosted