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Allow function types to have a calling convention. #1938

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This commit is contained in:
Christoffer Lerno
2025-02-07 22:03:15 +01:00
parent ea4c864d4b
commit 77db50bce8
3 changed files with 17 additions and 1 deletions
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11
src/compiler/sema_decls.c
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@@ -2450,6 +2450,11 @@ static const char *attribute_domain_to_string(AttributeDomain domain)
// Helper method
INLINE bool update_abi(Decl *decl, CallABI abi)
{
if (decl->decl_kind == DECL_TYPEDEF)
{
decl->typedef_decl.decl->fntype_decl.abi = abi;
return true;
}
decl->func_decl.signature.abi = abi;
return true;
}
@@ -2520,7 +2525,7 @@ static bool sema_analyse_attribute(SemaContext *context, ResolvedAttrData *attr_
[ATTRIBUTE_BENCHMARK] = ATTR_FUNC,
[ATTRIBUTE_BIGENDIAN] = ATTR_BITSTRUCT,
[ATTRIBUTE_BUILTIN] = ATTR_MACRO | ATTR_FUNC | ATTR_GLOBAL | ATTR_CONST,
[ATTRIBUTE_CALLCONV] = ATTR_FUNC | ATTR_INTERFACE_METHOD,
[ATTRIBUTE_CALLCONV] = ATTR_FUNC | ATTR_DEF | ATTR_INTERFACE_METHOD,
[ATTRIBUTE_COMPACT] = ATTR_STRUCT | ATTR_UNION,
[ATTRIBUTE_CONST] = ATTR_MACRO,
[ATTRIBUTE_DEPRECATED] = USER_DEFINED_TYPES | CALLABLE_TYPE | ATTR_CONST | ATTR_GLOBAL | ATTR_MEMBER | ATTR_BITSTRUCT_MEMBER | ATTR_INTERFACE,
@@ -2616,6 +2621,10 @@ static bool sema_analyse_attribute(SemaContext *context, ResolvedAttrData *attr_
decl->func_decl.attr_winmain = true;
break;
case ATTRIBUTE_CALLCONV:
if (domain == ATTR_DEF && (decl->decl_kind != DECL_TYPEDEF || !decl->typedef_decl.is_func))
{
RETURN_SEMA_ERROR(attr, "'@callconv' cannot only be used with fn types.");
}
if (!expr) RETURN_SEMA_ERROR(decl, "Expected a string argument.");
if (expr && !sema_analyse_expr(context, expr)) return false;
if (!expr_is_const_string(expr)) RETURN_SEMA_ERROR(expr, "Expected a constant string value as argument.");