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no namespace required when switching on enum

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See #43
This commit is contained in:
Andrew Kelley
2016-02-04 16:09:06 -07:00
parent 5490f907fe
commit a4cba900e5
5 changed files with 59 additions and 51 deletions
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21
src/codegen.cpp
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@@ -2357,21 +2357,16 @@ static LLVMValueRef gen_switch_expr(CodeGen *g, AstNode *node) {
for (int item_i = 0; item_i < prong_node->data.switch_prong.items.length; item_i += 1) {
AstNode *item_node = prong_node->data.switch_prong.items.at(item_i);
assert(item_node->type != NodeTypeSwitchRange);
assert(get_resolved_expr(item_node)->const_val.ok);
LLVMValueRef val_handle = gen_expr(g, item_node);
LLVMValueRef val;
if (handle_is_ptr(target_type)) {
if (target_type->id == TypeTableEntryIdEnum) {
ConstExprValue *item_const_val = &get_resolved_expr(item_node)->const_val;
assert(item_const_val->ok);
assert(get_expr_type(item_node)->id == TypeTableEntryIdEnum);
val = LLVMConstInt(target_type->data.enumeration.tag_type->type_ref,
item_const_val->data.x_enum.tag, false);
} else {
zig_unreachable();
}
if (target_type->id == TypeTableEntryIdEnum) {
assert(item_node->type == NodeTypeSymbol);
TypeEnumField *enum_field = item_node->data.symbol_expr.enum_field;
assert(enum_field);
val = LLVMConstInt(target_type->data.enumeration.tag_type->type_ref,
enum_field->value, false);
} else {
val = val_handle;
assert(get_resolved_expr(item_node)->const_val.ok);
val = gen_expr(g, item_node);
}
LLVMAddCase(switch_instr, val, prong_block);
}