Comments

Author: iluuu1994

Zend/zend_compile.c

@@ -4612,14 +4612,15 @@ static void zend_compile_ns_call(znode *result, znode *name_node, zend_ast *args
 {
 	int name_constants = zend_add_ns_func_name_literal(Z_STR(name_node->u.constant));
 
-	/* Find frameless function with same name */
+	/* Find frameless function with same name. */
 	zend_function *frameless_function = NULL;
 	if (args_ast->kind != ZEND_AST_CALLABLE_CONVERT
 	 && !zend_args_contain_unpack_or_named(zend_ast_get_list(args_ast))) {
 		zend_string *lc_func_name = Z_STR_P(CT_CONSTANT_EX(CG(active_op_array), name_constants + 2));
 		frameless_function = zend_hash_find_ptr(CG(function_table), lc_func_name);
 	}
 
+	/* Check whether any frameless handler may actually be used. */
 	uint32_t jmp_fl_opnum = 0;
 	const zend_frameless_function_info *frameless_function_info = NULL;
 	if (frameless_function) {
@@ -4633,14 +4634,15 @@ static void zend_compile_ns_call(znode *result, znode *name_node, zend_ast *args
 		}
 	}
 
+	/* Compile ns call. */
 	zend_op *opline = get_next_op();
 	opline->opcode = ZEND_INIT_NS_FCALL_BY_NAME;
 	opline->op2_type = IS_CONST;
 	opline->op2.constant = name_constants;
 	opline->result.num = zend_alloc_cache_slot();
-
 	zend_compile_call_common(result, args_ast, NULL, lineno);
 
+	/* Compile frameless call. */
 	if (frameless_function_info) {
 		uint32_t jmp_end_opnum = zend_emit_jump(0);
 		uint32_t jmp_fl_target = get_next_op_number();