add result style error handling

1 files changed, 7 insertions, 1 deletions

diff --git a/tests/test_as_parser.c b/tests/test_as_parser.c
index 01ba413..096031f 100644
--- a/tests/test_as_parser.c
+++ b/tests/test_as_parser.c
@@ -14,12 +14,18 @@ char *input_buffer =
     "end:    eq\n";
 
 int main(int argc, char** argv) {
+    struct result result;
     printf("[TEST] assembler parser\n");
     // make a memory buffer to FILE*
     FILE *fp = fmemopen(input_buffer, strlen(input_buffer), "r");
     struct allocator * alct = new_allocator();
     struct token_stream * ts = new_token_stream(alct, fp);
-    struct prog * prog = parse_prog(alct, ts);
+    result = parse_prog(alct, ts);
+    if (result.errmsg != NULL) {
+        printf("error: %s\n", result.errmsg);
+    }
+    assert(result.errmsg == NULL);
+    struct prog* prog = result.value;
     
     // compare output
     struct stmt * * stmts = prog->stmts->stmts;