1 // Copyright 2018 The 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 15 package cue 16 17 import ( 18 "cuelang.org/go/cue/token" 19 "cuelang.org/go/internal/core/adt" 20 ) 21 22 func pos(n adt.Node) (p token.Pos) { 23 if n == nil { 24 return 25 } 26 src := n.Source() 27 if src == nil { 28 return 29 } 30 return src.Pos() 31 } 32