authorgravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2016-04-21 09:47:41-07:00
committergravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2016-04-21 09:47:41-07:00
loga380b803ac8b4eefcde4d3d552cdcbc8010aa798
treede6309db31e1614467295bfd82c3bc27928bd27b
parentae600d2f7f89989c297c036f189b7bedfde910af

ability to use a struct with no fields

3 files changed, 15 insertions(+), 2 deletions(-)

src/analyze.cpp+2-1
......@@ -2219,7 +2219,8 @@ static TypeTableEntry *analyze_container_init_expr(CodeGen *g, ImportTableEntry
22192219 return container_type;
22202220 } else if (container_type->id == TypeTableEntryIdStruct &&
22212221 !container_type->data.structure.is_unknown_size_array &&
2222 kind == ContainerInitKindStruct)
2222 (kind == ContainerInitKindStruct || (kind == ContainerInitKindArray &&
2223 container_init_expr->entries.length == 0)))
22232224 {
22242225 StructValExprCodeGen *codegen = &container_init_expr->resolved_struct_val_expr;
22252226 codegen->type_entry = container_type;
src/codegen.cpp+3-1
......@@ -801,14 +801,16 @@ static LLVMValueRef gen_fn_call_expr(CodeGen *g, AstNode *node) {
801801 gen_param_values[gen_param_index] = node->data.fn_call_expr.tmp_ptr;
802802 gen_param_index += 1;
803803 }
804 if (struct_type) {
804 if (struct_type && type_has_bits(struct_type)) {
805805 gen_param_values[gen_param_index] = gen_expr(g, first_param_expr);
806 assert(gen_param_values[gen_param_index]);
806807 gen_param_index += 1;
807808 }
808809
809810 for (int i = 0; i < fn_call_param_count; i += 1) {
810811 AstNode *expr_node = node->data.fn_call_expr.params.at(i);
811812 LLVMValueRef param_value = gen_expr(g, expr_node);
813 assert(param_value);
812814 TypeTableEntry *param_type = get_expr_type(expr_node);
813815 if (is_var_args || type_has_bits(param_type)) {
814816 gen_param_values[gen_param_index] = param_value;
test/self_hosted.zig+10
......@@ -1285,3 +1285,13 @@ fn mangle_string(s: []u8) {
12851285 *c += 1;
12861286 }
12871287}
1288
1289#attribute("test")
1290fn empty_struct_method_call() {
1291 const es = EmptyStruct{};
1292 assert(es.method() == 1234);
1293}
1294struct EmptyStruct {
1295 #static_eval_enable(false)
1296 fn method(es: EmptyStruct) -> i32 { 1234 }
1297}