Simplification of API.

Parsing.jai

@@ -1061,6 +1061,10 @@ declaration :: (parse_state : *Parse_State) -> *AST_Node {
 }
 
 parse :: (result : *Compile_Result) {
+	if result.had_error {
+		return;
+	}
+	
 	for *file : result.files {
 		parse_state : Parse_State;
 		init_parse_state(*parse_state, file.tokens.tokens, file.file.path);