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1 #!/bin/sh
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2 ##===- utils/llvmdo - Counts Lines Of Code -------------------*- Script -*-===##
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3 #
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4 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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5 # See https://llvm.org/LICENSE.txt for license information.
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6 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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7 #
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8 ##===----------------------------------------------------------------------===##
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9 #
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10 # This script is a general purpose "apply" function for the source files in LLVM
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11 # It uses "find" to locate all the source files and then applies the user's
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12 # command to them. As such, this command is often not used by itself much but
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13 # the other find related tools (countloc.sh,llvmgrep,getsrcs.sh,userloc.sh) are
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14 # all based on this script. This script defines "what is a source file" in
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15 # LLVM and so should be maintained if new directories, new file extensions,
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16 # etc. are used in LLVM as it progresses.
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17 #
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18 # Usage:
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19 # llvmdo [-topdir DIR] [-dirs "DIRNAMES..."] [-code-only] PROGRAM ARGS...
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20 #
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21 # The -topdir option allows you to specify the llvm source root directly. If it
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22 # is not specified then it will be obtained with llvm-config which must be built
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23 # and in your path.
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24 #
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25 # The -dirs argument allows you to specify the set of directories that are
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26 # searched. The default list of directories searched is:
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27 # include lib tools utils runtime autoconf docs test examples projects
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28 # Note that you must use quotes around the list of directory names.
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29 #
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30 # The -code-only option specifies that only those files that are considered
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31 # "code" should be visited. HTML documentation is considered code, but things
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32 # like README files, etc. are not.
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33 #
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34 # Finally, you simply specify whatever program you want to run against each
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35 # file and the arguments to give it. The PROGRAM will be given the file name
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36 # as its last argument.
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37 ##===----------------------------------------------------------------------===##
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38
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39 if test $# -lt 1 ; then
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40 echo "Usage: llvmdo [-topdir DIR] [-dirs "DIRNAMES..."] [-code-only] PROGRAM ARGS..."
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41 exit 1
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42 fi
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43
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44 if test "$1" = "-topdir" ; then
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45 TOPDIR="$2"
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46 shift; shift;
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47 else
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48 TOPDIR=`llvm-config --src-root`
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49 fi
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50
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51 if test "$1" = "-dirs" ; then
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52 LLVMDO_DIRS="$2"
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53 shift ; shift
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54 elif test -z "$LLVMDO_DIRS" ; then
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55 LLVMDO_DIRS="include lib tools utils runtime autoconf docs test examples projects cmake"
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56 fi
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57
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58 if test "$1" = "-code-only" ; then
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59 CODE_ONLY="set"
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60 shift
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61 else
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62 CODE_ONLY=""
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63 fi
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64
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65 if test "$1" = "" ; then
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66 echo "Missing program name to run"
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67 exit 1
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68 fi
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69
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70 PROGRAM=`which $1`
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71 if test ! -x "$PROGRAM" ; then
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72 echo "Can't execute $1"
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73 exit 1
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74 fi
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75 shift;
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76
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77 paths_to_ignore="\
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78 -path */.svn/ -o \
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79 -path */.svn/* -o \
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80 -path docs/doxygen/* -o \
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81 -path docs/CommandGuide/html/* -o \
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82 -path docs/CommandGuide/man/* -o \
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83 -path docs/CommandGuide/ps/* -o \
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84 -path docs/CommandGuide/man/* -o \
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85 -path docs/HistoricalNotes/* -o \
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86 -path docs/img/* -o \
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87 -path */.libs/* -o \
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88 -path lib/Support/bzip2/* -o \
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89 -path projects/llvm-test/* \
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90 "
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91 files_to_match="\
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92 -name *.ac \
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93 -o -name *.b \
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94 -o -name *.c \
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95 -o -name *.cc \
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96 -o -name *.cfg \
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97 -o -name *.cpp \
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98 -o -name *.css \
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99 -o -name *.def \
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100 -o -name *.el \
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101 -o -name *.exp \
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102 -o -name *.footer \
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103 -o -name *.gnuplot' \
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104 -o -name *.h \
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105 -o -name *.header \
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106 -o -name *.html \
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107 -o -name *.in \
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108 -o -name *.inc \
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109 -o -name *.intro \
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110 -o -name *.l \
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111 -o -name *.ll \
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112 -o -name *.lst \
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113 -o -name *.m4 \
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114 -o -name *.pod \
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115 -o -name *.pl \
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116 -o -name *.py \
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117 -o -name *.sh \
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118 -o -name *.schema \
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119 -o -name *.st \
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120 -o -name *.tcl \
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121 -o -name *.td \
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122 -o -name *.tr \
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123 -o -name *.y \
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124 -o -name Make* \
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125 -o -name *.cmake \
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126 -o -name llvmdo \
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127 -o -name llvmgrep \
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128 -o -name check-each-file \
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129 -o -name codgen-diff \
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130 -o -name llvm-native-gcc \
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131 -o -name llvm-native-gxx \
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132 -o -name makellvm \
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133 -o -path include/llvm/ADT/ilist \
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134 -o -path test/\*.ll \
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135 -o -path test/Scripts/not \
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136 -o -path runtime/\*.ll \
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137 "
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138 if test -z "$CODE_ONLY" ; then
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139 files_to_match="$files_to_match \
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140 -o -name *.txt \
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141 -o -name *.TXT \
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142 -o -name *.vim \
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143 -o -name vimrc \
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144 -o -name README \
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145 -o -name COPYING.LIB \
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146 -o -name LICENSE* "
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147 fi
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148 files_to_ignore="\
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149 -name \.* \
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150 -o -name *~ \
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151 -o -name #* \
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152 -o -name configure \
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153 -o -name slow.ll \
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154 -o -name *libtool* \
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155 -o -name ltdl* \
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156 -o -name ltdl.m4 \
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157 -o -name ltmain.m4 \
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158 -o -name ltmain.sh \
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159 -o -name aclocal.m4 \
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160 -o -name acinclude.m4 \
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161 -o -name *LoopSimplifyCrash.ll \
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162 -o -name *AST-Remove.ll \
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163 -o -name PPCPerfectShuffle.h \
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164 "
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165
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166 if test -d "$TOPDIR" ; then
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167 cd $TOPDIR
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168 # Have to use the right "find" on a per-platform basis. Most platforms have
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169 # Gnu find as "find", but Solaris does not.
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170 case `uname -s` in
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171 SunOS) find_prog=gfind ;;
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172 *) find_prog=find ;;
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173 esac
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174 # Turn off file name generation (globbing) so that substitution of the
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175 # variables doesn't cause the shell to create lists of file names
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176 set -f
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177 $find_prog $LLVMDO_DIRS -type f \
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178 \( $paths_to_ignore \) -prune \
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179 -o \( \( $files_to_match \) \! \( $files_to_ignore \) \
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180 -exec $PROGRAM "$@" {} \; \)
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181 else
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182 echo "Can't find LLVM top directory in $TOPDIR"
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183 fi
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