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Change behaviour of switch v in &value to make v have by-reference semantics

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This commit is contained in:
gingerBill
2020-03-24 14:29:54 +00:00
parent dfc63dcb60
commit 5cbb266ef5
5 changed files with 84 additions and 58 deletions
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src/check_stmt.cpp
+6 -2
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@@ -1155,10 +1155,12 @@ void check_type_switch_stmt(CheckerContext *ctx, Ast *node, u32 mod_flags) {
}
}
bool is_reference = false;
if (is_ptr &&
cc->list.count == 1 &&
case_type != nullptr) {
case_type = alloc_type_pointer(case_type);
is_reference = true;
}
if (cc->list.count > 1) {
@@ -1173,7 +1175,9 @@ void check_type_switch_stmt(CheckerContext *ctx, Ast *node, u32 mod_flags) {
{
Entity *tag_var = alloc_entity_variable(ctx->scope, lhs->Ident.token, case_type, EntityState_Resolved);
tag_var->flags |= EntityFlag_Used;
tag_var->flags |= EntityFlag_Value;
if (!is_reference) {
tag_var->flags |= EntityFlag_Value;
}
add_entity(ctx->checker, ctx->scope, lhs, tag_var);
add_entity_use(ctx, lhs, tag_var);
add_implicit_entity(ctx, stmt, tag_var);