1 | /*
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2 | * This file comes from mruby. (renamed from tools/mruby/mruby.c)
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3 | * This file is distributed under ruby's license. (not under TOPPERS license)
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4 | * see https://github.com/mruby/mruby
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5 | * A little modification is done to to call initializer registering TECS components.
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6 | *
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7 | * ãã®ãã¡ã¤ã«ã¯ãmruby ã®ãã®ã§ãã
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8 | * mruby ã®ã©ã¤ã»ã³ã¹ã®ãã¨ã§ãé
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9 | å¸ããã¾ãã(TOPPERS ã©ã¤ã»ã³ã¹ã§ã¯ããã¾ãã)
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10 | * åç
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11 | §ï¼ https://github.com/mruby/mruby
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12 | * TECS ã³ã³ãã¼ãã³ããç»é²ããåæååãå¼ã¶ãããå°ãã®ä¿®æ£ããªããã¦ãã¾ãã
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13 | */
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14 |
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15 | #include "nMruby_tMrubyProc_tecsgen.h"
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16 |
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17 | #include <stdio.h>
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18 | #include <stdlib.h>
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19 | #include <string.h>
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20 | #include "mruby.h"
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21 | #include "mruby/array.h"
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22 | #include "mruby/compile.h"
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23 | #include "mruby/dump.h"
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24 | #include "mruby/variable.h"
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25 |
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26 | #ifndef ENABLE_STDIO
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27 | static void
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28 | p(mrb_state *mrb, mrb_value obj)
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29 | {
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30 | obj = mrb_funcall(mrb, obj, "inspect", 0);
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31 | fwrite(RSTRING_PTR(obj), RSTRING_LEN(obj), 1, stdout);
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32 | putc('\n', stdout);
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33 | }
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34 | #else
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35 | #define p(mrb,obj) mrb_p(mrb,obj)
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36 | #endif
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37 |
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38 | void mrb_show_version(mrb_state *);
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39 | void mrb_show_copyright(mrb_state *);
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40 |
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41 | struct _args {
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42 | FILE *rfp;
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43 | char* cmdline;
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44 | mrb_bool fname : 1;
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45 | mrb_bool mrbfile : 1;
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46 | mrb_bool check_syntax : 1;
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47 | mrb_bool verbose : 1;
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48 | int argc;
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49 | char** argv;
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50 | };
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51 |
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52 | static void
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53 | usage(const char *name)
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54 | {
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55 | static const char *const usage_msg[] = {
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56 | "switches:",
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57 | "-b load and execute RiteBinary (mrb) file",
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58 | "-c check syntax only",
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59 | "-e 'command' one line of script",
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60 | "-v print version number, then run in verbose mode",
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61 | "--verbose run in verbose mode",
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62 | "--version print the version",
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63 | "--copyright print the copyright",
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64 | NULL
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65 | };
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66 | const char *const *p = usage_msg;
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67 |
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68 | printf("Usage: %s [switches] programfile\n", name);
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69 | while (*p)
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70 | printf(" %s\n", *p++);
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71 | }
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72 |
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73 | static int
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74 | parse_args(mrb_state *mrb, int argc, char **argv, struct _args *args)
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75 | {
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76 | char **origargv = argv;
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77 | static const struct _args args_zero = { 0 };
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78 |
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79 | *args = args_zero;
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80 |
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81 | for (argc--,argv++; argc > 0; argc--,argv++) {
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82 | char *item;
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83 | if (argv[0][0] != '-') break;
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84 |
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85 | if (strlen(*argv) <= 1) {
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86 | argc--; argv++;
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87 | args->rfp = stdin;
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88 | break;
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89 | }
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90 |
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91 | item = argv[0] + 1;
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92 | switch (*item++) {
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93 | case 'b':
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94 | args->mrbfile = TRUE;
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95 | break;
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96 | case 'c':
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97 | args->check_syntax = TRUE;
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98 | break;
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99 | case 'e':
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100 | if (item[0]) {
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101 | goto append_cmdline;
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102 | }
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103 | else if (argc > 1) {
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104 | argc--; argv++;
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105 | item = argv[0];
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106 | append_cmdline:
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107 | if (!args->cmdline) {
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108 | size_t buflen;
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109 | char *buf;
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110 |
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111 | buflen = strlen(item) + 1;
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112 | buf = (char *)mrb_malloc(mrb, buflen);
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113 | memcpy(buf, item, buflen);
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114 | args->cmdline = buf;
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115 | }
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116 | else {
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117 | size_t cmdlinelen;
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118 | size_t itemlen;
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119 |
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120 | cmdlinelen = strlen(args->cmdline);
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121 | itemlen = strlen(item);
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122 | args->cmdline =
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123 | (char *)mrb_realloc(mrb, args->cmdline, cmdlinelen + itemlen + 2);
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124 | args->cmdline[cmdlinelen] = '\n';
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125 | memcpy(args->cmdline + cmdlinelen + 1, item, itemlen + 1);
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126 | }
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127 | }
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128 | else {
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129 | printf("%s: No code specified for -e\n", *origargv);
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130 | return EXIT_SUCCESS;
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131 | }
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132 | break;
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133 | case 'v':
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134 | if (!args->verbose) mrb_show_version(mrb);
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135 | args->verbose = TRUE;
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136 | break;
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137 | case '-':
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138 | if (strcmp((*argv) + 2, "version") == 0) {
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139 | mrb_show_version(mrb);
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140 | exit(EXIT_SUCCESS);
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141 | }
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142 | else if (strcmp((*argv) + 2, "verbose") == 0) {
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143 | args->verbose = TRUE;
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144 | break;
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145 | }
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146 | else if (strcmp((*argv) + 2, "copyright") == 0) {
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147 | mrb_show_copyright(mrb);
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148 | exit(EXIT_SUCCESS);
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149 | }
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150 | default:
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151 | return EXIT_FAILURE;
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152 | }
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153 | }
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154 |
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155 | if (args->rfp == NULL && args->cmdline == NULL) {
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156 | if (*argv == NULL) args->rfp = stdin;
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157 | else {
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158 | args->rfp = fopen(argv[0], args->mrbfile ? "rb" : "r");
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159 | if (args->rfp == NULL) {
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160 | printf("%s: Cannot open program file. (%s)\n", *origargv, *argv);
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161 | return EXIT_FAILURE;
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162 | }
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163 | args->fname = TRUE;
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164 | args->cmdline = argv[0];
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165 | argc--; argv++;
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166 | }
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167 | }
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168 | args->argv = (char **)mrb_realloc(mrb, args->argv, sizeof(char*) * (argc + 1));
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169 | memcpy(args->argv, argv, (argc+1) * sizeof(char*));
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170 | args->argc = argc;
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171 |
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172 | return EXIT_SUCCESS;
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173 | }
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174 |
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175 | static void
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176 | cleanup(mrb_state *mrb, struct _args *args)
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177 | {
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178 | if (args->rfp && args->rfp != stdin)
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179 | fclose(args->rfp);
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180 | if (args->cmdline && !args->fname)
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181 | mrb_free(mrb, args->cmdline);
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182 | if (args->argv)
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183 | mrb_free(mrb, args->argv);
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184 | mrb_close(mrb);
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185 | }
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186 |
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187 | int
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188 | // main(int argc, char **argv)
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189 | eMain_main( CELLIDX idx, int argc, const char **argv)
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190 |
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191 | {
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192 | CELLCB *p_cellcb = GET_CELLCB( idx );
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193 | mrb_state *mrb = mrb_open();
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194 | int n = -1;
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195 | int i;
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196 | struct _args args;
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197 | mrb_value ARGV;
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198 | mrbc_context *c;
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199 | mrb_value v;
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200 | mrb_sym zero_sym;
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201 |
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202 | cInit_initializeBridge( mrb ); // TECS
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203 |
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204 |
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205 | if (mrb == NULL) {
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206 | fputs("Invalid mrb_state, exiting mruby\n", stderr);
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207 | return EXIT_FAILURE;
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208 | }
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209 |
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210 | n = parse_args(mrb, argc, (char **)argv, &args);
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211 | if (n == EXIT_FAILURE || (args.cmdline == NULL && args.rfp == NULL)) {
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212 | cleanup(mrb, &args);
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213 | usage(argv[0]);
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214 | return n;
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215 | }
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216 |
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217 | ARGV = mrb_ary_new_capa(mrb, args.argc);
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218 | for (i = 0; i < args.argc; i++) {
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219 | mrb_ary_push(mrb, ARGV, mrb_str_new_cstr(mrb, args.argv[i]));
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220 | }
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221 | mrb_define_global_const(mrb, "ARGV", ARGV);
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222 |
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223 | c = mrbc_context_new(mrb);
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224 | if (args.verbose)
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225 | c->dump_result = TRUE;
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226 | if (args.check_syntax)
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227 | c->no_exec = TRUE;
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228 |
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229 | /* Set $0 */
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230 | zero_sym = mrb_intern_lit(mrb, "$0");
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231 | if (args.rfp) {
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232 | char *cmdline;
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233 | cmdline = args.cmdline ? args.cmdline : "-";
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234 | mrbc_filename(mrb, c, cmdline);
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235 | mrb_gv_set(mrb, zero_sym, mrb_str_new_cstr(mrb, cmdline));
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236 | }
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237 | else {
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238 | mrbc_filename(mrb, c, "-e");
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239 | mrb_gv_set(mrb, zero_sym, mrb_str_new_lit(mrb, "-e"));
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240 | }
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241 |
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242 | /* Load program */
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243 | if (args.mrbfile) {
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244 | v = mrb_load_irep_file_cxt(mrb, args.rfp, c);
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245 | }
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246 | else if (args.rfp) {
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247 | v = mrb_load_file_cxt(mrb, args.rfp, c);
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248 | }
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249 | else {
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250 | v = mrb_load_string_cxt(mrb, args.cmdline, c);
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251 | }
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252 |
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253 | mrbc_context_free(mrb, c);
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254 | if (mrb->exc) {
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255 | if (!mrb_undef_p(v)) {
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256 | mrb_print_error(mrb);
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257 | }
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258 | n = -1;
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259 | }
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260 | else if (args.check_syntax) {
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261 | printf("Syntax OK\n");
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262 | }
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263 | cleanup(mrb, &args);
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264 |
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265 | return n == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
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266 | }
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