#!/bin/sh # Copyright 2016 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. # Given a source directory, returns the non-test Go files that should # be built for this target. This implements Go's build constraints in # a shell script. There is similar code in testsuite/gotest. set -e LANG=C LC_ALL=C LC_CTYPE=C export LANG LC_ALL LC_CTYPE srcdir="" goarch="" goos="" extrafiles="" cmdlinetag="nosuchtag" cgotag="cgo" for arg; do case "x$arg" in x--srcdir) srcdir=$2 shift shift ;; x--srcdir=*) srcdir=`echo $1 | sed -e 's/^--srcdir=//'` shift ;; x--goarch) goarch=$2 shift shift ;; x--goarch=*) goarch=`echo $1 | sed -e 's/^--goarch=//'` shift ;; x--goos) goos=$2 shift shift ;; x--goos=*) goos=`echo $1 | sed -e 's/^--goos=//'` shift ;; x--extrafiles) extrafiles=$2 shift shift ;; x--extrafiles=*) extrafiles=`echo $1 | sed -e 's/^--extrafiles=//'` shift ;; x--tag) cmdlinetag=$2 shift shift ;; x--tag=*) cmdlinetag=`echo $1 | sed -e 's/^--tag=//'` shift ;; x--nocgo) cgotag="nosuchtag" shift ;; *) echo 1>&2 "unknown argument $arg" exit 1 ;; esac done cd $srcdir gofiles= for f in *.go; do case $f in *_test.go) ;; *.go) gofiles="$gofiles $f" ;; esac done if test "$gofiles" = ""; then echo 1>&2 "no non-test .go files in $srcdir" exit 1 fi matched= for f in $gofiles; do tag1=`echo $f | sed -e 's/^.*_\([^_]*\).go$/\1/'` tag2=`echo $f | sed -e 's/^.*_\([^_]*\)_[^_]*.go$/\1/'` if test x$tag1 = x$f; then tag1= fi if test x$tag2 = x$f; then tag2= fi case "$tag1" in "") ;; $goarch) ;; $goos) ;; aix | android | darwin | dragonfly | freebsd | linux | nacl | netbsd | openbsd | plan9 | solaris | windows) tag1=nonmatchingtag ;; 386 | amd64 | amd64p32 | arm | armbe | arm64 | arm64be | alpha | ia64 | m68k | ppc64 | ppc64le | mips | mipsle | mips64 | mips64le | mips64p32 | mips64p32le | ppc | s390 | s390x | sparc | sparc64) tag1=nonmatchingtag ;; esac case "$tag2" in "") ;; $goarch) ;; $goos) ;; aix | android | darwin | dragonfly | freebsd | linux | nacl | netbsd | openbsd | plan9 | solaris | windows) tag2=nonmatchingtag ;; 386 | amd64 | amd64p32 | arm | armbe | arm64 | arm64be | alpha | ia64 | m68k | ppc64 | ppc64le | mips | mipsle | mips64 | mips64le | mips64p32 | mips64p32le | ppc | s390 | s390x | sparc | sparc64) tag2=nonmatchingtag ;; esac if test x$tag1 != xnonmatchingtag -a x$tag2 != xnonmatchingtag; then # Pipe through cat so that `set -e` doesn't affect fgrep. tags=`sed '/^package /q' < $f | grep '^// +build ' | cat` omatch=true first=true match=false for tag in $tags; do case $tag in "//") ;; "+build") if test "$first" = "true"; then first=false elif test "$match" = "false"; then omatch=false fi match=false ;; $goos | $goarch | $cgotag | $cmdlinetag | "gccgo" | go1.[0-9]) match=true ;; "!"$goos | "!"$goarch | "!"$cgotag | "!"$cmdlinetag | "!gccgo" | "!"go1.[0-9]) ;; *,*) cmatch=true for ctag in `echo $tag | sed -e 's/,/ /g'`; do case $ctag in $goos | $goarch | $cgotag | $cmdlinetag | "gccgo" | go1.[0-9]) ;; "!"$goos | "!"$goarch | "!"$cgotag | "!"$cmdlinetag | "!gccgo" | "!"go1.[0-9]) cmatch=false ;; "!"*) ;; *) cmatch=false ;; esac done if test "$cmatch" = "true"; then match=true fi ;; "!"*) match=true ;; esac done if test "$match" = "false" -a "$first" = "false"; then omatch=false fi if test "$omatch" = "true"; then matched="$matched $srcdir/$f" fi fi done echo $matched $extrafiles exit 0