github.com/guyezi/gofrontend@v0.0.0-20200228202240-7a62a49e62c0/libgo/match.sh (about) 1 #!/bin/sh 2 3 # Copyright 2016 The Go Authors. All rights reserved. 4 # Use of this source code is governed by a BSD-style 5 # license that can be found in the LICENSE file. 6 7 # Given a source directory, returns the non-test Go files that should 8 # be built for this target. This implements Go's build constraints in 9 # a shell script. There is similar code in testsuite/gotest. 10 11 set -e 12 13 LANG=C 14 LC_ALL=C 15 LC_CTYPE=C 16 export LANG LC_ALL LC_CTYPE 17 18 srcdir="" 19 goarch="" 20 goos="" 21 extrafiles="" 22 cmdlinetag="nosuchtag" 23 cgotag="cgo" 24 25 for arg; do 26 case "x$arg" in 27 x--srcdir) 28 srcdir=$2 29 shift 30 shift 31 ;; 32 x--srcdir=*) 33 srcdir=`echo $1 | sed -e 's/^--srcdir=//'` 34 shift 35 ;; 36 x--goarch) 37 goarch=$2 38 shift 39 shift 40 ;; 41 x--goarch=*) 42 goarch=`echo $1 | sed -e 's/^--goarch=//'` 43 shift 44 ;; 45 x--goos) 46 goos=$2 47 shift 48 shift 49 ;; 50 x--goos=*) 51 goos=`echo $1 | sed -e 's/^--goos=//'` 52 shift 53 ;; 54 x--extrafiles) 55 extrafiles=$2 56 shift 57 shift 58 ;; 59 x--extrafiles=*) 60 extrafiles=`echo $1 | sed -e 's/^--extrafiles=//'` 61 shift 62 ;; 63 x--tag) 64 cmdlinetag=$2 65 shift 66 shift 67 ;; 68 x--tag=*) 69 cmdlinetag=`echo $1 | sed -e 's/^--tag=//'` 70 shift 71 ;; 72 x--nocgo) 73 cgotag="nosuchtag" 74 shift 75 ;; 76 *) 77 echo 1>&2 "unknown argument $arg" 78 exit 1 79 ;; 80 esac 81 done 82 83 cd $srcdir 84 85 gofiles= 86 for f in *.go; do 87 case $f in 88 *_test.go) 89 ;; 90 *.go) 91 gofiles="$gofiles $f" 92 ;; 93 esac 94 done 95 96 if test "$gofiles" = ""; then 97 echo 1>&2 "no non-test .go files in $srcdir" 98 exit 1 99 fi 100 101 matched= 102 for f in $gofiles; do 103 tag1=`echo $f | sed -e 's/^.*_\([^_]*\).go$/\1/'` 104 tag2=`echo $f | sed -e 's/^.*_\([^_]*\)_[^_]*.go$/\1/'` 105 if test x$tag1 = x$f; then 106 tag1= 107 fi 108 if test x$tag2 = x$f; then 109 tag2= 110 fi 111 112 case "$tag1" in 113 "") ;; 114 $goarch) ;; 115 $goos) ;; 116 aix | android | darwin | dragonfly | freebsd | illumos | hurd | js | linux | nacl | netbsd | openbsd | plan9 | solaris | windows) 117 tag1=nonmatchingtag 118 ;; 119 386 | amd64 | amd64p32 | arm | armbe | arm64 | arm64be | alpha | ia64 | m68k | mips | mipsle | mips64 | mips64le | mips64p32 | mips64p32le | nios2 | ppc | ppc64 | ppc64le | riscv64 | s390 | s390x | sh | shbe | sparc | sparc64 | wasm) 120 tag1=nonmatchingtag 121 ;; 122 esac 123 124 case "$tag2" in 125 "") ;; 126 $goarch) ;; 127 $goos) ;; 128 aix | android | darwin | dragonfly | freebsd | hurd | illumos | js | linux | nacl | netbsd | openbsd | plan9 | solaris | windows) 129 tag2=nonmatchingtag 130 ;; 131 386 | amd64 | amd64p32 | arm | armbe | arm64 | arm64be | alpha | ia64 | m68k | mips | mipsle | mips64 | mips64le | mips64p32 | mips64p32le | nios2 | ppc | ppc64 | ppc64le | riscv64 | s390 | s390x | sh | shbe | sparc | sparc64 | wasm) 132 tag2=nonmatchingtag 133 ;; 134 esac 135 136 if test x$tag1 != xnonmatchingtag -a x$tag2 != xnonmatchingtag; then 137 # Pipe through cat so that `set -e` doesn't affect fgrep. 138 tags=`sed '/^package /q' < $f | grep '^// *+build ' | cat` 139 omatch=true 140 first=true 141 match=false 142 for tag in $tags; do 143 case $tag in 144 "//") 145 ;; 146 "+build" | "//+build") 147 if test "$first" = "true"; then 148 first=false 149 elif test "$match" = "false"; then 150 omatch=false 151 fi 152 match=false 153 ;; 154 $goos | $goarch | $cgotag | $cmdlinetag | "gccgo" | go1.[0-9]) 155 match=true 156 ;; 157 "!"$goos | "!"$goarch | "!"$cgotag | "!"$cmdlinetag | "!gccgo" | "!"go1.[0-9]) 158 ;; 159 *,*) 160 cmatch=true 161 for ctag in `echo $tag | sed -e 's/,/ /g'`; do 162 case $ctag in 163 $goos | $goarch | $cgotag | $cmdlinetag | "gccgo" | go1.[0-9]) 164 ;; 165 "!"$goos | "!"$goarch | "!"$cgotag | "!"$cmdlinetag | "!gccgo" | "!"go1.[0-9]) 166 cmatch=false 167 ;; 168 "!"*) 169 ;; 170 *) 171 cmatch=false 172 ;; 173 esac 174 done 175 if test "$cmatch" = "true"; then 176 match=true 177 fi 178 ;; 179 "!"*) 180 match=true 181 ;; 182 esac 183 done 184 185 if test "$match" = "false" -a "$first" = "false"; then 186 omatch=false 187 fi 188 189 if test "$omatch" = "true"; then 190 matched="$matched $srcdir/$f" 191 fi 192 fi 193 done 194 195 echo $matched $extrafiles 196 197 exit 0