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typeid as keyword (ready to implement polymorphic name parameters)

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gingerBill
2018-09-02 15:56:36 +01:00
parent eb274cf316
commit 220485a2d2
16 changed files with 275 additions and 88 deletions
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src/check_type.cpp
+29
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@@ -1190,6 +1190,7 @@ Type *check_get_params(CheckerContext *ctx, Scope *scope, Ast *_params, bool *is
if (specialization == t_invalid){
specialization = nullptr;
}
// warning(type_expr, "'type' parameters are deprecated, please use a polymorphic identifier with a type of 'typeid'. For example, '$T: typeid'");
if (operands != nullptr) {
detemine_type_from_operand = true;
@@ -1263,10 +1264,30 @@ Type *check_get_params(CheckerContext *ctx, Scope *scope, Ast *_params, bool *is
for_array(j, p->names) {
Ast *name = p->names[j];
bool is_poly_name = false;
switch (name->kind) {
case Ast_Ident:
break;
case Ast_PolyType:
GB_ASSERT(name->PolyType.specialization == nullptr);
is_poly_name = true;
name = name->PolyType.type;
break;
}
if (!ast_node_expect(name, Ast_Ident)) {
continue;
}
if (is_poly_name) {
if (type != nullptr && is_type_typeid(type)) {
is_type_param = true;
} else {
error(name, "Polymorphic names are not yet supported for non-typeid parameters");
}
}
Entity *param = nullptr;
if (is_type_param) {
if (operands != nullptr) {
@@ -2022,6 +2043,14 @@ bool check_type_internal(CheckerContext *ctx, Ast *e, Type **type, Type *named_t
return check_type_internal(ctx, dt->type, type, named_type);
case_end;
case_ast_node(tt, TypeidType, e);
e->tav.mode = Addressing_Type;
e->tav.type = t_typeid;
*type = t_typeid;
set_base_type(named_type, *type);
return true;
case_end;
case_ast_node(pt, PolyType, e);
Ast *ident = pt->type;
if (ident->kind != Ast_Ident) {