| author |  Andrew Kelley <andrew@ziglang.org> 2016-05-13 13:08:54-07:00 |
| committer | Andrew Kelley <andrew@ziglang.org> 2016-05-13 13:08:54-07:00 |
| log | 33e3d5645344d5c8076a1f020d49917334f6902a |
| tree | cef7fac7e9eedd1c5004bdcf3aa02b0bacb9fb1c |
| parent | 65e0e85685ac704088cc0ee319c6e4c51adb0c8b |
add error for wrong return type of main
2 files changed, 15 insertions(+), 0 deletions(-)
src
test
src/analyze.cpp+11
| ... | @@ -1560,6 +1560,17 @@ static void preview_fn_proto_instance(CodeGen *g, ImportTableEntry *import, AstN | ... | @@ -1560,6 +1560,17 @@ static void preview_fn_proto_instance(CodeGen *g, ImportTableEntry *import, AstN |
| 1560 | 1560 | ||
| 1561 | proto_node->data.fn_proto.fn_table_entry = fn_table_entry; | 1561 | proto_node->data.fn_proto.fn_table_entry = fn_table_entry; |
| 1562 | resolve_function_proto(g, proto_node, fn_table_entry, import, containing_context); | 1562 | resolve_function_proto(g, proto_node, fn_table_entry, import, containing_context); |
| 1563 | |||
| 1564 | if (is_main_fn && !g->link_libc) { | ||
| 1565 | TypeTableEntry *err_void = get_error_type(g, g->builtin_types.entry_void); | ||
| 1566 | TypeTableEntry *actual_return_type = fn_table_entry->type_entry->data.fn.fn_type_id.return_type; | ||
| 1567 | if (actual_return_type != err_void) { | ||
| 1568 | AstNode *return_type_node = fn_table_entry->proto_node->data.fn_proto.return_type; | ||
| 1569 | add_node_error(g, return_type_node, | ||
| 1570 | buf_sprintf("expected return type of main to be '%%void', instead is '%s'", | ||
| 1571 | buf_ptr(&actual_return_type->name))); | ||
| 1572 | } | ||
| 1573 | } | ||
| 1563 | } | 1574 | } |
| 1564 | 1575 | ||
| 1565 | static void preview_fn_proto(CodeGen *g, ImportTableEntry *import, AstNode *proto_node) { | 1576 | static void preview_fn_proto(CodeGen *g, ImportTableEntry *import, AstNode *proto_node) { |
test/run_tests.cpp+4
| ... | @@ -1391,6 +1391,10 @@ fn something() -> %void { } | ... | @@ -1391,6 +1391,10 @@ fn something() -> %void { } |
| 1391 | ".tmp_source.zig:3:5: error: %return statement in function with return type 'void'", | 1391 | ".tmp_source.zig:3:5: error: %return statement in function with return type 'void'", |
| 1392 | ".tmp_source.zig:2:8: note: function return type here"); | 1392 | ".tmp_source.zig:2:8: note: function return type here"); |
| 1393 | 1393 | ||
| 1394 | add_compile_fail_case("wrong return type for main", R"SOURCE( | ||
| 1395 | pub fn main(args: [][]u8) { } | ||
| 1396 | )SOURCE", 1, ".tmp_source.zig:2:27: error: expected return type of main to be '%void', instead is 'void'"); | ||
| 1397 | |||
| 1394 | } | 1398 | } |
| 1395 | 1399 | ||
| 1396 | ////////////////////////////////////////////////////////////////////////////// | 1400 | ////////////////////////////////////////////////////////////////////////////// |