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asm: Support v[idx] operand _syntax_

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This commit is contained in:
gingerBill
2026-08-27 12:01:10 +01:00
parent 87b9b39749
commit 3bb6254857
1 changed files with 20 additions and 7 deletions
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27
src/parser.cpp
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@@ -2468,6 +2468,7 @@ gb_internal Ast *parse_asm_register(AstFile *f) {
return reg;
}
gb_internal Ast *parse_asm_operand(AstFile *f, bool allow_memory_operand) {
Ast *operand = nullptr;
switch (f->curr_token.kind) {
case Token_Period:
{
@@ -2479,9 +2480,11 @@ gb_internal Ast *parse_asm_operand(AstFile *f, bool allow_memory_operand) {
return label_decl;
}
case Token_Ident:
return parse_ident(f);
operand = parse_ident(f);
break;
case Token_Mod:
return parse_asm_register(f);
operand = parse_asm_register(f);
break;
case Token_Integer:
case Token_Float:
case Token_Rune:
@@ -2572,9 +2575,18 @@ gb_internal Ast *parse_asm_operand(AstFile *f, bool allow_memory_operand) {
break;
}
syntax_error(f->curr_token, "Invalid asm operand, found '%.*s'", LIT(f->curr_token.string));
advance_token(f);
return nullptr;
if (operand == nullptr) {
syntax_error(f->curr_token, "Invalid asm operand, found '%.*s'", LIT(f->curr_token.string));
advance_token(f);
} else if (f->curr_token.kind == Token_OpenBracket) {
f->expr_level++;
Token open = expect_token(f, Token_OpenBracket);
Ast *index = parse_asm_operand(f, false);
Token close = expect_token(f, Token_CloseBracket);
f->expr_level--;
operand = ast_index_expr(f, operand, index, open, close);
}
return operand;
}
gb_internal Slice<Ast *> parse_asm_operands(AstFile *f) {
@@ -2839,10 +2851,11 @@ gb_internal Ast *parse_asm_template(AstFile *f) {
}
if (build_context.metrics.arch == TargetArch_amd64 ||
build_context.metrics.arch == TargetArch_riscv64) {
build_context.metrics.arch == TargetArch_riscv64 ||
build_context.metrics.arch == TargetArch_arm64) {
// okay
} else {
syntax_error(token, "asm templates are currently only supported on -target:*_amd64 or -target:*_riscv64");
syntax_error(token, "asm templates are currently only supported on -target:*_amd64 or -target:*_riscv64 or -target:*_arm64");
}
Ast *asm_template = alloc_ast_node(f, Ast_AsmTemplate);