diff options
Diffstat (limited to 'libgo/go/regexp/syntax/regexp.go')
| -rw-r--r-- | libgo/go/regexp/syntax/regexp.go | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/libgo/go/regexp/syntax/regexp.go b/libgo/go/regexp/syntax/regexp.go index 0fe9269..a3f56f8 100644 --- a/libgo/go/regexp/syntax/regexp.go +++ b/libgo/go/regexp/syntax/regexp.go @@ -8,7 +8,6 @@ package syntax // In this package, re is always a *Regexp and r is always a rune. import ( - "bytes" "strconv" "strings" "unicode" @@ -27,6 +26,8 @@ type Regexp struct { Name string // capturing name, for OpCapture } +//go:generate stringer -type Op -trimprefix Op + // An Op is a single regular expression operator. type Op uint8 @@ -112,7 +113,7 @@ func (x *Regexp) Equal(y *Regexp) bool { } // writeRegexp writes the Perl syntax for the regular expression re to b. -func writeRegexp(b *bytes.Buffer, re *Regexp) { +func writeRegexp(b *strings.Builder, re *Regexp) { switch re.Op { default: b.WriteString("<invalid op" + strconv.Itoa(int(re.Op)) + ">") @@ -243,14 +244,14 @@ func writeRegexp(b *bytes.Buffer, re *Regexp) { } func (re *Regexp) String() string { - var b bytes.Buffer + var b strings.Builder writeRegexp(&b, re) return b.String() } const meta = `\.+*?()|[]{}^$` -func escape(b *bytes.Buffer, r rune, force bool) { +func escape(b *strings.Builder, r rune, force bool) { if unicode.IsPrint(r) { if strings.ContainsRune(meta, r) || force { b.WriteRune('\\') |