diff options
Diffstat (limited to 'src/pkg/regexp/syntax/parse.go')
| -rw-r--r-- | src/pkg/regexp/syntax/parse.go | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/pkg/regexp/syntax/parse.go b/src/pkg/regexp/syntax/parse.go index 6f8acbbef..2df775025 100644 --- a/src/pkg/regexp/syntax/parse.go +++ b/src/pkg/regexp/syntax/parse.go @@ -2,6 +2,10 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. +// Package syntax parses regular expressions into parse trees and compiles +// parse trees into programs. Most clients of regular expressions will use +// the facilities of package regexp (such as Compile and Match) instead of +// this package. package syntax import ( @@ -648,6 +652,9 @@ func literalRegexp(s string, flags Flags) *Regexp { // Parsing. +// Parse parses a regular expression string s, controlled by the specified +// Flags, and returns a regular expression parse tree. The syntax is +// described in the top-level comment for package regexp. func Parse(s string, flags Flags) (*Regexp, error) { if flags&Literal != 0 { // Trivial parser for literal string. @@ -1377,8 +1384,8 @@ func (p *parser) appendGroup(r []rune, g charGroup) []rune { } var anyTable = &unicode.RangeTable{ - []unicode.Range16{{0, 1<<16 - 1, 1}}, - []unicode.Range32{{1 << 16, unicode.MaxRune, 1}}, + R16: []unicode.Range16{{Lo: 0, Hi: 1<<16 - 1, Stride: 1}}, + R32: []unicode.Range32{{Lo: 1 << 16, Hi: unicode.MaxRune, Stride: 1}}, } // unicodeTable returns the unicode.RangeTable identified by name |