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Improve asm support

Browse source 
Including:

 - Infer `label {}` and `const` operands.
 - Correctly handle unsafe check inside `label {}`.
 - Fix an embarrassing parser typo that cause labels to never be part of the AST
This commit is contained in:
Chayim Refael Friedman 2025-05-15 23:36:00 +03:00
parent f8e784353b
commit 5ed11234cc
10 changed files with 186 additions and 40 deletions
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8
crates/parser/src/grammar/expressions/atom.rs
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@ -381,10 +381,14 @@ fn parse_asm_expr(p: &mut Parser<'_>, m: Marker) -> Option<CompletedMarker> {
op.complete(p, ASM_REG_OPERAND);
op_n.complete(p, ASM_OPERAND_NAMED);
} else if p.eat_contextual_kw(T![label]) {
// test asm_label
// fn foo() {
// builtin#asm("", label {});
// }
dir_spec.abandon(p);
block_expr(p);
op.complete(p, ASM_OPERAND_NAMED);
op_n.complete(p, ASM_LABEL);
op.complete(p, ASM_LABEL);
op_n.complete(p, ASM_OPERAND_NAMED);
} else if p.eat(T![const]) {
dir_spec.abandon(p);
expr(p);