1 files changed, 38 insertions, 6 deletions
diff --git a/vendor/github.com/bytedance/sonic/ast/error.go b/vendor/github.com/bytedance/sonic/ast/error.go
index f4c441ae6..00a04468e 100644
--- a/vendor/github.com/bytedance/sonic/ast/error.go
+++ b/vendor/github.com/bytedance/sonic/ast/error.go
@@ -8,23 +8,55 @@ import (
     `github.com/bytedance/sonic/internal/native/types`
 )
 
-func (self *Parser) syntaxError(err types.ParsingError) SyntaxError {
-    return SyntaxError{
-        Pos : self.p,
-        Src : self.s,
-        Code: err,
+
+func newError(err types.ParsingError, msg string) *Node {
+    return &Node{
+        t: V_ERROR,
+        l: uint(err),
+        p: unsafe.Pointer(&msg),
     }
 }
 
+// Error returns error message if the node is invalid
+func (self Node) Error() string {
+    if self.t != V_ERROR {
+        return ""
+    } else {
+        return *(*string)(self.p)
+    } 
+}
+
 func newSyntaxError(err SyntaxError) *Node {
     msg := err.Description()
     return &Node{
         t: V_ERROR,
-        v: int64(err.Code),
+        l: uint(err.Code),
         p: unsafe.Pointer(&msg),
     }
 }
 
+func (self *Parser) syntaxError(err types.ParsingError) SyntaxError {
+    return SyntaxError{
+        Pos : self.p,
+        Src : self.s,
+        Code: err,
+    }
+}
+
+func unwrapError(err error) *Node {
+    if se, ok := err.(*Node); ok {
+        return se
+    }else if sse, ok := err.(Node); ok {
+        return &sse
+    } else {
+        msg := err.Error()
+        return &Node{
+            t: V_ERROR,
+            p: unsafe.Pointer(&msg),
+        }
+    }
+}
+
 type SyntaxError struct {
     Pos  int
     Src  string