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1 #!/usr/bin/env bash
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2 # -*- coding: utf-8 -*-
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3 ###########################################################################
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4 # #
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5 # cfunge - A standard-conforming Befunge93/98/109 interpreter in C. #
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6 # Copyright (C) 2008-2009 Arvid Norlander #
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7 # #
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8 # This program is free software: you can redistribute it and/or modify #
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9 # it under the terms of the GNU General Public License as published by #
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10 # the Free Software Foundation, either version 3 of the License, or #
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11 # (at the proxy's option) any later version. Arvid Norlander is a #
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12 # proxy who can decide which future versions of the GNU General Public #
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13 # License can be used. #
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14 # #
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15 # This program is distributed in the hope that it will be useful, #
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16 # but WITHOUT ANY WARRANTY; without even the implied warranty of #
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17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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18 # GNU General Public License for more details. #
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19 # #
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20 # You should have received a copy of the GNU General Public License #
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21 # along with this program. If not, see <http://www.gnu.org/licenses/>. #
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22 # #
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23 ###########################################################################
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24
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25 # Generate a fingerprint template.
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26 # This must be run from top source directory.
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27
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28 # Error to fail with for old bash.
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29 fail_old_bash() {
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30 echo "Sorry your bash version is too old!"
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31 echo "You need at least version 3.2.10 of bash"
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32 echo "Please install a newer version:"
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33 echo " * Either use your distro's packages"
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34 echo " * Or see http://www.gnu.org/software/bash/"
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35 exit 2
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36 }
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37
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38 # Check bash version. We need at least 3.2.10
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39 # Lets not use anything like =~ here because
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40 # that may not work on old bash versions.
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41 if [[ "${BASH_VERSINFO[0]}${BASH_VERSINFO[1]}" -lt 32 ]]; then
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42 fail_old_bash
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43 elif [[ "${BASH_VERSINFO[0]}${BASH_VERSINFO[1]}" -eq 32 && "${BASH_VERSINFO[2]}" -lt 10 ]]; then
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44 fail_old_bash
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45 fi
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46
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47 if [[ ! -d src/fingerprints ]]; then
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48 echo "ERROR: Run from top source directory please." >&2
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49 exit 1
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50 fi
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51
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52 set -e
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53
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54 if [[ ! -f tools/fprint_funcs.sh ]]; then
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55 echo "ERROR: Couldn't find tools/fprint_funcs.sh." >&2
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56 exit 1
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57 fi
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58 source tools/fprint_funcs.sh
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59 if [[ $? -ne 0 ]]; then
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60 echo "ERROR: Couldn't load tools/fprint_funcs.sh." >&2
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61 exit 1
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62 fi
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63
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64 # Variables
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65 FPRINT=""
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66 fp_URL=""
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67 fp_SAFE=""
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68 fp_CONDITION=""
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69 fp_OPCODES=""
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70 fp_DESCRIPTION=""
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71
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72 fp_OPCODES=""
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73 fp_OPCODE_NAMES=()
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74 fp_OPCODE_DESC=()
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75
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76 if [[ -z $1 ]]; then
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77 echo "ERROR: Please provide finger print name!" >&2
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78 echo "Usage: $0 FingerprintName opcodes" >&2
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79 exit 1
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80 else
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81 FPRINT="$1"
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82 fi
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83
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84 progress "Sanity checking parameters"
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85 checkfprint "$FPRINT"
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86
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87 if [[ -e src/fingerprints/$FPRINT ]]; then
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88 die "A fingerprint with that name already exists"
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89 fi
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90
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91 progress "Looking for spec file"
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92
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93 if [[ -f "src/fingerprints/${FPRINT}.spec" ]]; then
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94 status "Good, spec file found."
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95 else
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96 die "Sorry, but you need a spec file for the fingerprint." \
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97 "Either you misspelled the parameter to this script, or you misspelled" \
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98 "the spec file. Or you forgot to create a spec file." \
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99 "If you didn't typo the name on the command line to this script then" \
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100 "the spec file should be placed at src/fingerprints/${FPRINT}.spec"
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101 fi
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102
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103 cd "src/fingerprints" || die "Couldn't change directory to src/fingerprints"
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104
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105 progress "Parsing spec file"
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106 parse_spec "${FPRINT}"
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107
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108 addtoh() {
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109 echo "$1" >> "${FPRINT}.h"
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110 }
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111 addtoc() {
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112 echo "$1" >> "${FPRINT}.c"
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113 }
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114
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115
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116
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117 progress "Creating directory"
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118 mkdir "$FPRINT" || die "mkdir failed"
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119 cd "$FPRINT" || die "cd to src/fingerprints/$FPRINT failed"
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120
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121 progress "Creating header file"
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122 cat > "${FPRINT}.h" << EOF
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123 /* -*- mode: C; coding: utf-8; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*-
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124 *
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125 * cfunge - A standard-conforming Befunge93/98/109 interpreter in C.
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126 * Copyright (C) 2008-2009 Arvid Norlander <anmaster AT tele2 DOT se>
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127 *
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128 * This program is free software: you can redistribute it and/or modify
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129 * it under the terms of the GNU General Public License as published by
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130 * the Free Software Foundation, either version 3 of the License, or
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131 * (at the proxy's option) any later version. Arvid Norlander is a
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132 * proxy who can decide which future versions of the GNU General Public
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133 * License can be used.
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134 *
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135 * This program is distributed in the hope that it will be useful,
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136 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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137 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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138 * GNU General Public License for more details.
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139 *
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140 * You should have received a copy of the GNU General Public License
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141 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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142 */
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143
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144 EOF
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145
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146 addtoh "#ifndef FUNGE_HAD_SRC_FINGERPRINTS_${FPRINT}_H"
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147 addtoh "#define FUNGE_HAD_SRC_FINGERPRINTS_${FPRINT}_H"
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148
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149
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150 cat >> "${FPRINT}.h" << EOF
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151
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152 #include "../../global.h"
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153 #include "../manager.h"
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154
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155 EOF
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156
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157 if [[ "$fp_CONDITION" ]]; then
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158 addtoh "#if $fp_CONDITION"
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159 fi
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160
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161 addtoh "bool finger_${FPRINT}_load(instructionPointer * ip);"
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162
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163 if [[ "$fp_CONDITION" ]]; then
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164 addtoh "#endif /* $fp_CONDITION */"
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165 fi
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166
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167 addtoh ""
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168 addtoh "#endif"
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169
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170 ##############
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171 # Now for .c #
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172 ##############
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173
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174 progress "Creating source file"
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175 cat > "${FPRINT}.c" << EOF
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176 /* -*- mode: C; coding: utf-8; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*-
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177 *
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178 * cfunge - A standard-conforming Befunge93/98/109 interpreter in C.
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179 * Copyright (C) 2008-2009 Arvid Norlander <anmaster AT tele2 DOT se>
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180 *
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181 * This program is free software: you can redistribute it and/or modify
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182 * it under the terms of the GNU General Public License as published by
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183 * the Free Software Foundation, either version 3 of the License, or
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184 * (at the proxy's option) any later version. Arvid Norlander is a
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185 * proxy who can decide which future versions of the GNU General Public
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186 * License can be used.
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187 *
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188 * This program is distributed in the hope that it will be useful,
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189 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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190 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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191 * GNU General Public License for more details.
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192 *
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193 * You should have received a copy of the GNU General Public License
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194 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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195 */
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196
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197 EOF
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198 addtoc "#include \"${FPRINT}.h\""
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199
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200 if [[ "$fp_CONDITION" ]]; then
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201 addtoc "#if $fp_CONDITION"
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202 fi
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203
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204 cat >> "${FPRINT}.c" << EOF
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205 #include "../../stack.h"
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206
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207 // TODO: Add code to template functions
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208
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209 EOF
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210
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211 for (( i = 0; i < ${#fp_OPCODES}; i++ )); do
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212 ord number "${fp_OPCODES:$i:1}"
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213 addtoc "/// ${fp_OPCODES:$i:1} - ${fp_OPCODE_DESC[$number]}"
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214 addtoc "static void finger_${FPRINT}_${fp_OPCODE_NAMES[$number]}(instructionPointer * ip)"
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215 addtoc '{'
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216 addtoc '}'
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217 addtoc ''
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218 done
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219
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220
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221
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222 addtoc "bool finger_${FPRINT}_load(instructionPointer * ip)"
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223 addtoc '{'
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224 for (( i = 0; i < ${#fp_OPCODES}; i++ )); do
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225 ord number "${fp_OPCODES:$i:1}"
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226 addtoc " manager_add_opcode(${FPRINT}, '${fp_OPCODES:$i:1}', ${fp_OPCODE_NAMES[$number]})"
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227 done
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228
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229 cat >> "${FPRINT}.c" << EOF
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230 return true;
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231 }
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232 EOF
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233
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234 if [[ "$fp_CONDITION" ]]; then
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235 addtoc "#endif /* $fp_CONDITION */"
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236 fi
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237
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238 status "File creation done"
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239 echo
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240 echo "To make cfunge aware of the new fingerprint run tools/gen_fprint_list.sh"
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241 echo "You may need to run cmake or similar to make the build system aware as well."
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242 echo
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243 echo "All done! However make sure the copyright in the files is correct. Oh, and another thing: implement the fingerprint :)"
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