| #!/bin/sh |
| |
| set -e |
| out=$GOROOT/src/pkg/regexp/syntax/doc.go |
| cp syntax.txt $out |
| sam -d $out <<'!' |
| ,x g/NOT SUPPORTED/d |
| /^Unicode character class/,$d |
| ,s/[«»]//g |
| ,x g/^Possessive repetitions:/d |
| ,x g/\\C/d |
| ,x g/Flag syntax/d |
| ,s/.=(true|false)/flag &/g |
| ,s/^Flags:/ Flag syntax is xyz (set) or -xyz (clear) or xy-z (set xy, clear z). The flags are:\n/ |
| ,s/\n\n\n+/\n\n/g |
| ,x/(^.* .*\n)+/ | awk -F' ' '{printf(" %-14s %s\n", $1, $2)}' |
| 1,2c |
| // Copyright 2012 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| // DO NOT EDIT. This file is generated by mksyntaxgo from the RE2 distribution. |
| |
| /* |
| 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. |
| |
| Syntax |
| |
| The regular expression syntax understood by this package when parsing with the Perl flag is as follows. |
| Parts of the syntax can be disabled by passing alternate flags to Parse. |
| |
| . |
| $a |
| */ |
| package syntax |
| . |
| w |
| q |
| ! |
