dnscrypt-proxy/vendor/honnef.co/go/tools/pattern/fuzz.go

51 lines
802 B
Go
Raw Normal View History

2021-07-03 10:56:53 +02:00
// +build gofuzz
package pattern
import (
"go/ast"
goparser "go/parser"
"go/token"
"os"
"path/filepath"
"strings"
)
var files []*ast.File
func init() {
fset := token.NewFileSet()
filepath.Walk("/usr/lib/go/src", func(path string, info os.FileInfo, err error) error {
if err != nil {
// XXX error handling
panic(err)
}
if !strings.HasSuffix(path, ".go") {
return nil
}
f, err := goparser.ParseFile(fset, path, nil, 0)
if err != nil {
return nil
}
files = append(files, f)
return nil
})
}
func Fuzz(data []byte) int {
p := &Parser{}
pat, err := p.Parse(string(data))
if err != nil {
if strings.Contains(err.Error(), "internal error") {
panic(err)
}
return 0
}
_ = pat.Root.String()
for _, f := range files {
Match(pat.Root, f)
}
return 1
}