1// Copyright 2020 CUE Authors
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package runtime
16
17import (
18 "cuelang.org/go/cue/ast"
19 "cuelang.org/go/cue/errors"
20 "cuelang.org/go/cue/token"
21)
22
23var _ errors.Error = &nodeError{}
24
25// A nodeError is an error associated with processing an AST node.
26type nodeError struct {
27 path []string // optional
28 n ast.Node
29
30 errors.Message
31}
32
33func (n *nodeError) Error() string {
34 return errors.String(n)
35}
36
37func nodeErrorf(n ast.Node, format string, args ...interface{}) *nodeError {
38 return &nodeError{
39 n: n,
40 Message: errors.NewMessagef(format, args...),
41 }
42}
43
44func (e *nodeError) Position() token.Pos {
45 return e.n.Pos()
46}
47
48func (e *nodeError) InputPositions() []token.Pos { return nil }
49
50func (e *nodeError) Path() []string {
51 return e.path
52}