diff options
Diffstat (limited to 'src/pkg/exp/regexp/syntax/compile.go')
| -rw-r--r-- | src/pkg/exp/regexp/syntax/compile.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/pkg/exp/regexp/syntax/compile.go b/src/pkg/exp/regexp/syntax/compile.go index ec9556fde..5ea2425c3 100644 --- a/src/pkg/exp/regexp/syntax/compile.go +++ b/src/pkg/exp/regexp/syntax/compile.go @@ -86,6 +86,7 @@ func Compile(re *Regexp) (*Prog, os.Error) { func (c *compiler) init() { c.p = new(Prog) + c.p.NumCap = 2 // implicit ( and ) for whole match $0 c.inst(InstFail) } @@ -185,6 +186,10 @@ func (c *compiler) cap(arg uint32) frag { f := c.inst(InstCapture) f.out = patchList(f.i << 1) c.p.Inst[f.i].Arg = arg + + if c.p.NumCap < int(arg)+1 { + c.p.NumCap = int(arg) + 1 + } return f } |