Add error logging and corresponding tests for parser syntax errors

v0/test_parser.c

@@ -17,7 +17,37 @@ static void test_parser_bad_module_name(void) {
 	TokenStream* ts = tokenstream_open("test.c", "import other_module;");
 	Module* m = parser_parse(ts);
 
-	assert_log_file("bad_module_name.log", "expected error to be logged for bad module name");
+	assert_log_file("v0/tests/bad_module_name.txt", "expected error to be logged for bad module name");
+
+	parser_free(m);
+	tokenstream_close(ts);
+}
+
+static void test_parser_missing_semicolon_module(void) {
+	TokenStream* ts = tokenstream_open("test.c", "module my_module");
+	Module* m = parser_parse(ts);
+
+	assert_log_file("v0/tests/missing_semicolon_module.txt", "expected error for missing semicolon");
+
+	parser_free(m);
+	tokenstream_close(ts);
+}
+
+static void test_parser_missing_semicolon_import(void) {
+	TokenStream* ts = tokenstream_open("test.c", "module my_module; import other_module");
+	Module* m = parser_parse(ts);
+
+	assert_log_file("v0/tests/missing_semicolon_import.txt", "expected error for missing semicolon");
+
+	parser_free(m);
+	tokenstream_close(ts);
+}
+
+static void test_parser_bad_import_name(void) {
+	TokenStream* ts = tokenstream_open("test.c", "module my_module; import ;");
+	Module* m = parser_parse(ts);
+
+	assert_log_file("v0/tests/bad_import_name.txt", "expected error for bad import name");
 
 	parser_free(m);
 	tokenstream_close(ts);
@@ -36,4 +66,4 @@ static void test_parser_imports(void) {
 
 	parser_free(m);
 	tokenstream_close(ts);
-}
+}