added vendor
This commit is contained in:
109
vendor/golang.org/x/tools/go/buildutil/fakecontext.go
generated
vendored
Normal file
109
vendor/golang.org/x/tools/go/buildutil/fakecontext.go
generated
vendored
Normal file
@ -0,0 +1,109 @@
|
||||
package buildutil
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"go/build"
|
||||
"io"
|
||||
"io/ioutil"
|
||||
"os"
|
||||
"path"
|
||||
"path/filepath"
|
||||
"sort"
|
||||
"strings"
|
||||
"time"
|
||||
)
|
||||
|
||||
// FakeContext returns a build.Context for the fake file tree specified
|
||||
// by pkgs, which maps package import paths to a mapping from file base
|
||||
// names to contents.
|
||||
//
|
||||
// The fake Context has a GOROOT of "/go" and no GOPATH, and overrides
|
||||
// the necessary file access methods to read from memory instead of the
|
||||
// real file system.
|
||||
//
|
||||
// Unlike a real file tree, the fake one has only two levels---packages
|
||||
// and files---so ReadDir("/go/src/") returns all packages under
|
||||
// /go/src/ including, for instance, "math" and "math/big".
|
||||
// ReadDir("/go/src/math/big") would return all the files in the
|
||||
// "math/big" package.
|
||||
//
|
||||
func FakeContext(pkgs map[string]map[string]string) *build.Context {
|
||||
clean := func(filename string) string {
|
||||
f := path.Clean(filepath.ToSlash(filename))
|
||||
// Removing "/go/src" while respecting segment
|
||||
// boundaries has this unfortunate corner case:
|
||||
if f == "/go/src" {
|
||||
return ""
|
||||
}
|
||||
return strings.TrimPrefix(f, "/go/src/")
|
||||
}
|
||||
|
||||
ctxt := build.Default // copy
|
||||
ctxt.GOROOT = "/go"
|
||||
ctxt.GOPATH = ""
|
||||
ctxt.Compiler = "gc"
|
||||
ctxt.IsDir = func(dir string) bool {
|
||||
dir = clean(dir)
|
||||
if dir == "" {
|
||||
return true // needed by (*build.Context).SrcDirs
|
||||
}
|
||||
return pkgs[dir] != nil
|
||||
}
|
||||
ctxt.ReadDir = func(dir string) ([]os.FileInfo, error) {
|
||||
dir = clean(dir)
|
||||
var fis []os.FileInfo
|
||||
if dir == "" {
|
||||
// enumerate packages
|
||||
for importPath := range pkgs {
|
||||
fis = append(fis, fakeDirInfo(importPath))
|
||||
}
|
||||
} else {
|
||||
// enumerate files of package
|
||||
for basename := range pkgs[dir] {
|
||||
fis = append(fis, fakeFileInfo(basename))
|
||||
}
|
||||
}
|
||||
sort.Sort(byName(fis))
|
||||
return fis, nil
|
||||
}
|
||||
ctxt.OpenFile = func(filename string) (io.ReadCloser, error) {
|
||||
filename = clean(filename)
|
||||
dir, base := path.Split(filename)
|
||||
content, ok := pkgs[path.Clean(dir)][base]
|
||||
if !ok {
|
||||
return nil, fmt.Errorf("file not found: %s", filename)
|
||||
}
|
||||
return ioutil.NopCloser(strings.NewReader(content)), nil
|
||||
}
|
||||
ctxt.IsAbsPath = func(path string) bool {
|
||||
path = filepath.ToSlash(path)
|
||||
// Don't rely on the default (filepath.Path) since on
|
||||
// Windows, it reports virtual paths as non-absolute.
|
||||
return strings.HasPrefix(path, "/")
|
||||
}
|
||||
return &ctxt
|
||||
}
|
||||
|
||||
type byName []os.FileInfo
|
||||
|
||||
func (s byName) Len() int { return len(s) }
|
||||
func (s byName) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
|
||||
func (s byName) Less(i, j int) bool { return s[i].Name() < s[j].Name() }
|
||||
|
||||
type fakeFileInfo string
|
||||
|
||||
func (fi fakeFileInfo) Name() string { return string(fi) }
|
||||
func (fakeFileInfo) Sys() interface{} { return nil }
|
||||
func (fakeFileInfo) ModTime() time.Time { return time.Time{} }
|
||||
func (fakeFileInfo) IsDir() bool { return false }
|
||||
func (fakeFileInfo) Size() int64 { return 0 }
|
||||
func (fakeFileInfo) Mode() os.FileMode { return 0644 }
|
||||
|
||||
type fakeDirInfo string
|
||||
|
||||
func (fd fakeDirInfo) Name() string { return string(fd) }
|
||||
func (fakeDirInfo) Sys() interface{} { return nil }
|
||||
func (fakeDirInfo) ModTime() time.Time { return time.Time{} }
|
||||
func (fakeDirInfo) IsDir() bool { return true }
|
||||
func (fakeDirInfo) Size() int64 { return 0 }
|
||||
func (fakeDirInfo) Mode() os.FileMode { return 0755 }
|
Reference in New Issue
Block a user