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1 /*
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2 * Copyright (c) 2005 Gregor Richards
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3 *
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4 * This file is part of egobfi.
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5 *
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6 * egobfi is free software; you can redistribute it and/or modify
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7 * it under the terms of the GNU General Public License as published by
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8 * the Free Software Foundation; either version 2 of the License, or
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9 * (at your option) any later version.
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10 *
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11 * egobfi is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 * GNU General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU General Public License
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17 * along with egobfi; if not, write to the Free Software
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18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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19 */
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20
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21 #include "../config.h"
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22
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23 #include <stdio.h>
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24 #include <stdlib.h>
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25 #include <string.h>
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26
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27 #ifdef HAVE_WCHAR_H
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28 #include <wchar.h>
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29 #endif
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30
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31 #ifndef EGOBFC
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32 #include "bfi.h"
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33 #else
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34 #include "bfc.h"
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35 #endif
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36 #include "egobfi.h"
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37 #ifndef EGOBFC2M
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38 #include "optimize.h"
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39 #else
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40 #include "c2m.h"
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41 #endif
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42 /*#include "optim2.h"*/
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43
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44 int wrapping = 1;
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45 int debug = 0;
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46 int eof = 0;
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47 int compile = 0;
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48 int unicode = 0;
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49
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50 #ifdef EGOBFC
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51 int bytewidth = 1;
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52 #else
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53 USEINT bwmax;
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54 USEINT *mem;
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55 int mlen;
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56 USEINT *mend;
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57 USEINT *mptr;
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58 #endif
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59
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60 char *iprog;
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61 int iplen;
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62 int ipptr;
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63
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64 #ifndef EGOBFC2M
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65 struct bfi *prog;
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66 int plen;
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67 int pptr;
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68 #else
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69 void (*prog)();
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70 void (*tprog)();
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71 int plen;
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72 int pptr;
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73 #endif
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74
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75 int main(int argc, char **argv)
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76 {
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77 int i;
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78 FILE *bfin = stdin;
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79
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80 for (i = 1; i < argc; i++) {
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81 if (argv[i][0] == '-') {
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82 if (!strcmp(argv[i], "-wrap")) {
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83 /* set wrapping on or off */
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84 i++;
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85 if (!strcmp(argv[i], "off"))
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86 wrapping = 0;
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87 } else if (!strcmp(argv[i], "-debug")) {
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88 debug = 1;
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89 } else if (!strcmp(argv[i], "-eof")) {
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90 /* choose eof mode */
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91 i++;
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92 switch (argv[i][0]) {
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93 case '-':
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94 eof = -1;
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95 break;
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96
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97 case 'n':
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98 case 'N':
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99 eof = 1; /* 1 means no change */
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100 break;
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101 }
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102 #ifdef HAVE_WCHAR_H
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103 } else if (!strcmp(argv[i], "-unicode")) {
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104 i++;
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105 if (!strcmp(argv[i], "on")) {
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106 /* make sure it's supported at this level */
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107 int chk;
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108 #ifndef EGOBFC
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109 chk = sizeof(USEINT);
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110 #else
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111 chk = bytewidth;
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112 #endif
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113 if(sizeof(wint_t) > chk) {
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114 fprintf(stderr, "Sorry, I can't support unicode with this bitwidth!\n");
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115 exit(1);
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116 }
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117 unicode = 1;
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118 }
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119 #endif
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120 #ifdef EGOBFC
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121 } else if (!strcmp(argv[i], "-width")) {
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122 i++;
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123 bytewidth = atoi(argv[i]) >> 3;
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124 #endif
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125 } else if(!strcmp(argv[i], "-h") ||
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126 !strcmp(argv[i], "-help") ||
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127 !strcmp(argv[i], "--help")) {
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128 /* display help */
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129 fprintf(stderr, "Use: %s [options] [file]\n"
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130 "Options:\n"
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131 " -eof {0|-|n}\n"
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132 " set EOF mode: 0, -1 or no-change (respectively)\n"
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133 " [default: 0]\n"
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134 " -debug\n"
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135 " activate the # command [default off]\n"
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136 #ifndef EGOBFC2M
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137 " -unicode {on|off}\n"
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138 " set unicode mode on or off [default off]\n"
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139 #ifndef EGOBFC
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140 " -wrap {on|off}\n"
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141 " set wrappong on or off [default on]\n"
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142 #endif
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143 #endif
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144
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145 #ifdef EGOBFC
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146 " -width {8|16|32}\n"
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147 " set the bitwidth [default 8]\n"
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148 #endif
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149 ,
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150 #ifndef EGOBFC
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151 #ifndef EGOBFC2M
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152 /* egobfi */ "egobfi{width}"
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153 #else
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154 /* egobfc2m */ "egobfc2m"
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155 #endif
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156 #else
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157 /* egobfc */ "egobfc"
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158 #endif
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159 );
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160 exit(0);
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161 } else {
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162 fprintf(stderr, "Argument not recognized: %s\n", argv[i]);
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163 exit(1);
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164 }
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165 } else {
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166 /* this is our input file */
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167 bfin = fopen(argv[i], "r");
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168 if (bfin == NULL) {
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169 perror(argv[i]);
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170 exit(1);
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171 }
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172 }
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173 }
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174
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175 /* get our max */
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176 #ifndef EGOBFC
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177 bwmax = (USEINT) -1;
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178 #endif
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179
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180 /* initialize our memory */
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181 #ifndef EGOBFC
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182 mem = (USEINT *) malloc(30000 * sizeof(USEINT));
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183 mlen = 30000;
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184 mend = mem + mlen;
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185 mptr = mem;
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186 #endif
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187 iprog = (char *) malloc(30000);
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188 iplen = 30000;
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189 ipptr = 0;
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190 #ifndef EGOBFC2M
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191 prog = (struct bfi *) malloc(30000 * sizeof(struct bfi));
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192 plen = 30000;
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193 pptr = 0;
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194 #else
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195 prog = (void *) malloc(250000);
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196 tprog = prog;
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197 plen = 250000;
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198 pptr = 0;
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199 #endif
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200
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201 /* 0 it all */
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202 #ifndef EGOBFC
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203 memset(mem, 0, mlen * sizeof(USEINT));
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204 #endif
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205 memset(iprog, 0, iplen);
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206 #ifndef EGOBFC2M
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207 memset(prog, 0, plen * sizeof(struct bfi));
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208 #endif
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209
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210 /* read in our BF */
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211 while (!feof(bfin) && !ferror(bfin)) {
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212 iprog[ipptr] = getc(bfin);
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213 if (ISBF(iprog[ipptr])) {
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214 ipptr++;
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215 CHKIPSZ(ipptr)
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216 }
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217 }
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218 ipptr = 0;
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219
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220 #ifndef EGOBFC2M
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221 /* optimize */
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222 optimize();
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223 /*optim2(); This seems to slow it down more than anything ...*/
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224
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225 #ifndef EGOBFC
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226 /* and interpret */
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227 bf_interpret();
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228 #else
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229 /* and compile */
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230 bf_compile();
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231 #endif
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232 #else
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233 /* compile to memory and run */
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234 c2m();
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235 #endif
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236
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237 return 0;
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238 }
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