(
&mut self,
id_map: &mut FxHashMap<&'a str, Word>,
defined_ids: &mut FxHashSet<Word>,
id_to_type_map: &mut FxHashMap<Word, Word>,
asm_block: &mut AsmBlock,
| 407 | } |
| 408 | |
| 409 | fn codegen_asm<'a>( |
| 410 | &mut self, |
| 411 | id_map: &mut FxHashMap<&'a str, Word>, |
| 412 | defined_ids: &mut FxHashSet<Word>, |
| 413 | id_to_type_map: &mut FxHashMap<Word, Word>, |
| 414 | asm_block: &mut AsmBlock, |
| 415 | mut tokens: impl Iterator<Item = Token<'a, 'cx, 'tcx>>, |
| 416 | ) where |
| 417 | 'cx: 'a, |
| 418 | 'tcx: 'a, |
| 419 | { |
| 420 | let mut first_token = match tokens.next() { |
| 421 | Some(tok) => tok, |
| 422 | None => return, |
| 423 | }; |
| 424 | // Parse result_id in front of instruction: |
| 425 | // %z = OpAdd %ty %x %y |
| 426 | let out_register = if match first_token { |
| 427 | Token::Placeholder(_, _) => true, |
| 428 | Token::Word(id_str) if id_str.starts_with('%') => true, |
| 429 | Token::Word(_) | Token::String(_) | Token::Typeof(_, _, _) => false, |
| 430 | } { |
| 431 | let result_id = match self.parse_id_out(id_map, defined_ids, first_token) { |
| 432 | Some(result_id) => result_id, |
| 433 | None => return, |
| 434 | }; |
| 435 | if let Some(Token::Word("=")) = tokens.next() { |
| 436 | } else { |
| 437 | self.err("expected equals after result id specifier"); |
| 438 | return; |
| 439 | } |
| 440 | first_token = if let Some(tok) = tokens.next() { |
| 441 | tok |
| 442 | } else { |
| 443 | self.err("expected instruction after equals"); |
| 444 | return; |
| 445 | }; |
| 446 | Some(result_id) |
| 447 | } else { |
| 448 | None |
| 449 | }; |
| 450 | let inst_name = match first_token { |
| 451 | Token::Word(inst_name) => inst_name, |
| 452 | Token::String(_) => { |
| 453 | self.err("cannot use a string as an instruction"); |
| 454 | return; |
| 455 | } |
| 456 | Token::Placeholder(_, span) | Token::Typeof(_, span, _) => { |
| 457 | self.tcx |
| 458 | .sess |
| 459 | .span_err(span, "cannot use a dynamic value as an instruction type"); |
| 460 | return; |
| 461 | } |
| 462 | }; |
| 463 | let inst_class = inst_name |
| 464 | .strip_prefix("Op") |
| 465 | .and_then(|n| self.instruction_table.table.get(n)); |
| 466 | let inst_class = if let Some(inst) = inst_class { |
no test coverage detected