1 files changed, 0 insertions, 103 deletions
diff --git a/vendor/github.com/mattermost/rsc/regexp/regmerge/merge.go b/vendor/github.com/mattermost/rsc/regexp/regmerge/merge.go
deleted file mode 100644
index 15f51cfa7..000000000
--- a/vendor/github.com/mattermost/rsc/regexp/regmerge/merge.go
+++ /dev/null
@@ -1,103 +0,0 @@
-// Copyright 2011 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.
-
-// Code to merge (join) multiple regexp progs into a single prog.
-// New code; not copied from anywhere.
-
-package main
-
-import "regexp/syntax"
-
-func joinProgs(progs []*syntax.Prog) *syntax.Prog {
-	all := &syntax.Prog{}
-	for i, p := range progs {
-		n := len(all.Inst)
-		all.Inst = append(all.Inst, p.Inst...)
-		match := shiftInst(all.Inst[n:], n)
-		if match < 0 {
-			// no match instruction; give up
-			all.Inst = []syntax.Inst{{Op: syntax.InstFail}}
-			all.Start = 0
-			return all
-		}
-		match += n
-		m := len(all.Inst)
-		all.Inst = append(all.Inst,
-			syntax.Inst{Op: syntax.InstAlt, Out: uint32(p.Start+n), Arg: uint32(m+1)},
-			syntax.Inst{Op: instByteRange, Arg: 0x00FF, Out: uint32(m)},
-			syntax.Inst{Op: instByteRange, Arg: 0x00FF, Out: uint32(match)},
-			syntax.Inst{Op: syntax.InstMatch},
-		)
-		all.Inst[match] = syntax.Inst{Op: syntax.InstAlt, Out: uint32(m+2), Arg: uint32(m+3)}
-
-		if i == 0 {
-			all.Start = m
-		} else {
-			old := all.Start
-			all.Start = len(all.Inst)
-			all.Inst = append(all.Inst, syntax.Inst{Op: syntax.InstAlt, Out: uint32(old), Arg: uint32(m)})
-		}
-	}
-
-	return all
-}
-
-func shiftInst(inst []syntax.Inst, n int) int {
-	match := -1
-	for i := range inst {
-		ip := &inst[i]
-		ip.Out += uint32(n)
-		if ip.Op == syntax.InstMatch {
-			if match >= 0 {
-				panic("double match")
-			}
-			match = i
-		}
-		if ip.Op == syntax.InstAlt || ip.Op == syntax.InstAltMatch {
-			ip.Arg += uint32(n)
-		}
-	}
-	return match
-}
-
-func (m *matcher) crunchProg() {
-	var rewrite [256]byte
-
-	for i := range m.prog.Inst {
-		ip := &m.prog.Inst[i]
-		switch ip.Op {
-		case instByteRange:
-			lo, hi := byte(ip.Arg>>8), byte(ip.Arg)
-			rewrite[lo] = 1
-			if hi < 255 {
-				rewrite[hi+1] = 1
-			}
-		case syntax.InstEmptyWidth:
-			switch op := syntax.EmptyOp(ip.Arg); {
-			case op&(syntax.EmptyBeginLine|syntax.EmptyEndLine) != 0:
-				rewrite['\n'] = 1
-				rewrite['\n'+1] = 1
-			case op&(syntax.EmptyWordBoundary|syntax.EmptyNoWordBoundary) != 0:
-				rewrite['A'] = 1
-				rewrite['Z'+1] = 1
-				rewrite['a'] = 1
-				rewrite['z'+1] = 1
-				rewrite['0'] = 1
-				rewrite['9'+1] = 1
-				rewrite['_'] = 1
-				rewrite['_'+1] = 1
-			}
-		}
-	}
-
-	rewrite[0] = 0
-	for i := 1; i < 256; i++ {
-		rewrite[i] += rewrite[i-1]
-	}
-	m.numByte = int(rewrite[255]) + 1
-
-	for i := 255; i >= 0; i-- {
-		m.undo[rewrite[i]] = byte(i)
-	}
-}