ref: add type/classname result for each gen_* function

src/compiler/generator/gen_class.c

@@ -6,14 +6,14 @@
 #include <string.h>
 
 // Class definition
-bool gen_class(fzl_gen_t *gen, fzl_node_t *node)
+gen_res_t gen_class(fzl_gen_t *gen, fzl_node_t *node)
 {
   if (!gen || !node)
-    return false;
+    return (gen_res_t){.error = true};
 
   fzl_gen_ctx_t *ctx = gen_ctx(gen, FZL_GEN_CTX_TYPE_CLASS, node);
   if (!ctx)
-    return false;
+    return (gen_res_t){.error = true};
 
   gen->classes[gen->classes_count] = fzl_mkctable(node->class.name->value);
   fzl_ctable_t *class              = gen->classes[gen->classes_count++];
@@ -37,7 +37,7 @@ bool gen_class(fzl_gen_t *gen, fzl_node_t *node)
     if (!resolved)
     {
       free(class->fields);
-      return false;
+      return (gen_res_t){.error = true};
     }
 
     class->fields[class->fields_count] = (fzl_ctable_field_t){
@@ -63,10 +63,10 @@ bool gen_class(fzl_gen_t *gen, fzl_node_t *node)
       free(fn->fn.name->value);
 
     fn->fn.name->value = method_name;
-    if (!gen_common(gen, fn))
+    if (gen_common(gen, fn).error)
     {
       free(class->fields);
-      return false;
+      return (gen_res_t){.error = true};
     }
   }
 
@@ -74,8 +74,8 @@ bool gen_class(fzl_gen_t *gen, fzl_node_t *node)
   if (!ctx)
   {
     free(class->fields);
-    return false;
+    return (gen_res_t){.error = true};
   }
 
-  return true;
+  return (gen_res_t){.error = false, .type = FZL_TYPE_NULL, .classname = NULL};
 }