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fmt.String_Buffer, Fix issue #44, Tweak overloading rules

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Ginger Bill
2017-04-26 19:43:17 +01:00
parent 29efdc5fc1
commit 5b8be25938
11 changed files with 439 additions and 259 deletions
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src/check_decl.c
+43 -32
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@@ -413,7 +413,7 @@ void check_var_decl(Checker *c, Entity *e, Entity **entities, isize entity_count
}
void check_alias_decl(Checker *c, Entity *e, AstNode *expr) {
void check_alias_decl(Checker *c, Entity *e, AstNode *expr, Type *named_type) {
GB_ASSERT(e->type == NULL);
GB_ASSERT(e->kind == Entity_Alias);
@@ -431,36 +431,47 @@ void check_alias_decl(Checker *c, Entity *e, AstNode *expr) {
return;
}
if (expr->kind == AstNode_Ident) {
Operand o = {0};
Entity *f = check_ident(c, &o, expr, NULL, NULL, true);
if (f != NULL) {
e->Alias.original = f;
e->type = f->type;
}
return;
} else if (expr->kind == AstNode_SelectorExpr) {
Operand o = {0};
Entity *f = check_selector(c, &o, expr, NULL);
if (f != NULL) {
e->Alias.original = f;
e->type = f->type;
}
return;
}
Operand o = {0};
check_expr_or_type(c, &o, expr);
if (o.mode == Addressing_Invalid) {
return;
}
switch (o.mode) {
case Addressing_Type:
e->type = o.type;
break;
default:
Operand operand = {0};
check_expr_or_type(c, &operand, expr);
if (operand.mode != Addressing_Type) {
error_node(expr, "#alias declarations only allow types");
return;
}
e->kind = Entity_TypeName;
e->TypeName.is_type_alias = true;
e->type = NULL;
DeclInfo *d = c->context.decl;
d->type_expr = expr;
check_type_decl(c, e, d->type_expr, named_type);
// Operand o = {0};
// Entity *f = NULL;
// if (expr->kind == AstNode_Ident) {
// f = check_ident(c, &o, expr, NULL, NULL, true);
// } else if (expr->kind == AstNode_SelectorExpr) {
// f = check_selector(c, &o, expr, NULL);
// } else {
// check_expr_or_type(c, &o, expr);
// }
// if (o.mode == Addressing_Invalid) {
// return;
// }
// switch (o.mode) {
// case Addressing_Type:
// e->type = o.type;
// // e->kind = Entity_TypeName;
// // e->TypeName.is_type_alias = true;
// e->Alias.kind = EntityAlias_Type;
// e->Alias.original = f;
// break;
// default:
// error_node(expr, "#alias declarations only allow types");
// e->kind = Entity_Invalid;
// e->type = t_invalid;
// break;
// }
}
void check_entity_decl(Checker *c, Entity *e, DeclInfo *d, Type *named_type) {
@@ -495,12 +506,12 @@ void check_entity_decl(Checker *c, Entity *e, DeclInfo *d, Type *named_type) {
case Entity_TypeName:
check_type_decl(c, e, d->type_expr, named_type);
break;
case Entity_Alias:
check_alias_decl(c, e, d->init_expr, named_type);
break;
case Entity_Procedure:
check_proc_lit(c, e, d);
break;
case Entity_Alias:
check_alias_decl(c, e, d->init_expr);
break;
}
c->context = prev;