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Merge pull request #4041 from zen3ger/1079-parametric-struct-from-other-package

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Check if procedure parameter type declares polymorphic args
This commit is contained in:
gingerBill
2024-08-13 13:59:06 +01:00
committed by GitHub
parent 069ad446cd dda89a69bf
commit 4c4f24b5f4
1 changed files with 21 additions and 0 deletions
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21
src/check_type.cpp
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@@ -2309,8 +2309,28 @@ gb_internal Type *check_get_results(CheckerContext *ctx, Scope *scope, Ast *_res
return tuple;
}
gb_internal void check_procedure_param_polymorphic_type(CheckerContext *ctx, Type *type, Ast *type_expr) {
GB_ASSERT_NOT_NULL(type_expr);
if (type == nullptr || ctx->in_polymorphic_specialization) { return; }
if (!is_type_polymorphic_record_unspecialized(type)) { return; }
bool invalid_polymorpic_type_use = false;
switch (type_expr->kind) {
case_ast_node(pt, Ident, type_expr);
invalid_polymorpic_type_use = true;
case_end;
case_ast_node(pt, SelectorExpr, type_expr);
invalid_polymorpic_type_use = true;
case_end;
}
if (invalid_polymorpic_type_use) {
gbString expr_str = expr_to_string(type_expr);
defer (gb_string_free(expr_str));
error(type_expr, "Invalid use of a non-specialized polymorphic type '%s'", expr_str);
}
}
// NOTE(bill): 'operands' is for generating non generic procedure type
gb_internal bool check_procedure_type(CheckerContext *ctx, Type *type, Ast *proc_type_node, Array<Operand> const *operands) {
@@ -2433,6 +2453,7 @@ gb_internal bool check_procedure_type(CheckerContext *ctx, Type *type, Ast *proc
if (e->kind != Entity_Variable) {
is_polymorphic = true;
} else if (is_type_polymorphic(e->type)) {
check_procedure_param_polymorphic_type(c, e->type, e->Variable.type_expr);
is_polymorphic = true;
}