exp/norm: maketables tool for generating tables for normalization.

R=r, bsiegert, r, alex.brainman
CC=golang-dev
https://golang.org/cl/4662080

.hgignore

@@ -41,6 +41,7 @@ src/cmd/gc/y1.tab.c
 src/cmd/gc/yerr.h
 src/cmd/goinstall/syslist.go
 src/pkg/Make.deps
+src/pkg/exp/norm/maketables
 src/pkg/exp/ogle/ogle
 src/pkg/go/build/syslist.go
 src/pkg/os/signal/unix.go

src/pkg/Makefile

@@ -80,6 +80,7 @@ DIRS=\
 	exp/datafmt\
 	exp/gui\
 	exp/gui/x11\
+	exp/norm\
 	exp/regexp/syntax\
 	exp/template\
 	expvar\

src/pkg/exp/norm/Makefile

@@ -0,0 +1,32 @@
+# 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.
+
+include ../../../Make.inc
+
+TARG=exp/norm
+GOFILES=\
+	tables.go\
+
+include ../../../Make.pkg
+
+CLEANFILES+=maketables
+
+maketables: maketables.go
+	$(GC) maketables.go
+	$(LD) -o maketables maketables.$O
+
+tables:	maketables
+	./maketables > tables.go
+	gofmt -w tables.go
+
+# Build (but do not run) maketables during testing,
+# just to make sure it still compiles.
+testshort: maketables
+
+# Downloads from www.unicode.org, so not part
+# of standard test scripts.
+test: testtables
+
+testtables: maketables
+	./maketables -test -tables=