1 // Copyright 2019 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 //go:build gofuzz 16 17 package scanner 18 19 import ( 20 "cuelang.org/go/cue/token" 21 ) 22 23 func Fuzz(b []byte) int { 24 retCode := 1 25 eh := func(_ token.Pos, msg string, args []interface{}) { 26 retCode = 0 27 } 28 29 var s Scanner 30 s.Init(token.NewFile("", -1, len(b)), b, eh, ScanComments) 31 32 for { 33 _, tok, _ := s.Scan() 34 if tok == token.EOF { 35 break 36 } 37 } 38 return retCode 39 } 40