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// Copyright 2016 CoreOS, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package code
import (
"fmt"
"io"
)
type Binding struct {
pkg string
fppath string
fps []*Failpoint
}
func NewBinding(pkg string, fppath string, fps []*Failpoint) *Binding {
return &Binding{pkg, fppath, fps}
}
// Write writes the fp.generated.go file for a package.
func (b *Binding) Write(dst io.Writer) error {
hdr := "// GENERATED BY GOFAIL. DO NOT EDIT.\n\n" +
"package " + b.pkg +
"\n\nimport \"go.etcd.io/gofail/runtime\"\n\n"
if _, err := fmt.Fprint(dst, hdr); err != nil {
return err
}
for _, fp := range b.fps {
_, err := fmt.Fprintf(
dst,
"var %s *runtime.Failpoint = runtime.NewFailpoint(%q, %q, %v)\n",
fp.Runtime(),
b.fppath,
fp.Name(),
fp.goFailGo,
)
if err != nil {
return err
}
}
return nil
}
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