diff options
Diffstat (limited to 'vendor/golang.org/x/tools/go/buildutil/tags.go')
-rw-r--r-- | vendor/golang.org/x/tools/go/buildutil/tags.go | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/vendor/golang.org/x/tools/go/buildutil/tags.go b/vendor/golang.org/x/tools/go/buildutil/tags.go deleted file mode 100644 index 486606f3..00000000 --- a/vendor/golang.org/x/tools/go/buildutil/tags.go +++ /dev/null @@ -1,75 +0,0 @@ -package buildutil - -// This logic was copied from stringsFlag from $GOROOT/src/cmd/go/build.go. - -import "fmt" - -const TagsFlagDoc = "a list of `build tags` to consider satisfied during the build. " + - "For more information about build tags, see the description of " + - "build constraints in the documentation for the go/build package" - -// TagsFlag is an implementation of the flag.Value and flag.Getter interfaces that parses -// a flag value in the same manner as go build's -tags flag and -// populates a []string slice. -// -// See $GOROOT/src/go/build/doc.go for description of build tags. -// See $GOROOT/src/cmd/go/doc.go for description of 'go build -tags' flag. -// -// Example: -// flag.Var((*buildutil.TagsFlag)(&build.Default.BuildTags), "tags", buildutil.TagsFlagDoc) -type TagsFlag []string - -func (v *TagsFlag) Set(s string) error { - var err error - *v, err = splitQuotedFields(s) - if *v == nil { - *v = []string{} - } - return err -} - -func (v *TagsFlag) Get() interface{} { return *v } - -func splitQuotedFields(s string) ([]string, error) { - // Split fields allowing '' or "" around elements. - // Quotes further inside the string do not count. - var f []string - for len(s) > 0 { - for len(s) > 0 && isSpaceByte(s[0]) { - s = s[1:] - } - if len(s) == 0 { - break - } - // Accepted quoted string. No unescaping inside. - if s[0] == '"' || s[0] == '\'' { - quote := s[0] - s = s[1:] - i := 0 - for i < len(s) && s[i] != quote { - i++ - } - if i >= len(s) { - return nil, fmt.Errorf("unterminated %c string", quote) - } - f = append(f, s[:i]) - s = s[i+1:] - continue - } - i := 0 - for i < len(s) && !isSpaceByte(s[i]) { - i++ - } - f = append(f, s[:i]) - s = s[i:] - } - return f, nil -} - -func (v *TagsFlag) String() string { - return "<tagsFlag>" -} - -func isSpaceByte(c byte) bool { - return c == ' ' || c == '\t' || c == '\n' || c == '\r' -} |