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 "mruby.h"
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18 | #include "mruby/proc.h"
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19 | #include "mruby/array.h"
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20 | #include "mruby/string.h"
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21 | #include "mruby/compile.h"
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22 | #include "mruby/dump.h"
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23 | #include "mruby/variable.h"
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24 | #include <stdio.h>
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25 | #include <string.h>
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26 |
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27 | #ifndef ENABLE_STDIO
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28 | static void
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29 | p(mrb_state *mrb, mrb_value obj)
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30 | {
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31 | obj = mrb_funcall(mrb, obj, "inspect", 0);
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32 | fwrite(RSTRING_PTR(obj), RSTRING_LEN(obj), 1, stdout);
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33 | putc('\n', stdout);
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34 | }
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35 | #else
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36 | #define p(mrb,obj) mrb_p(mrb,obj)
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37 | #endif
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38 |
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39 | void mrb_show_version(mrb_state *);
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40 | void mrb_show_copyright(mrb_state *);
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41 |
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42 | struct _args {
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43 | FILE *rfp;
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44 | char* cmdline;
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45 | int fname : 1;
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46 | int mrbfile : 1;
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47 | int check_syntax : 1;
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48 | int verbose : 1;
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49 | int argc;
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50 | char** argv;
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51 | };
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52 |
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53 | static void
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54 | usage(const char *name)
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55 | {
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56 | static const char *const usage_msg[] = {
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57 | "switches:",
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58 | "-b load and execute RiteBinary (mrb) file",
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59 | "-c check syntax only",
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60 | "-e 'command' one line of script",
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61 | "-v print version number, then run in verbose mode",
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62 | "--verbose run in verbose mode",
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63 | "--version print the version",
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64 | "--copyright print the copyright",
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65 | NULL
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66 | };
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67 | const char *const *p = usage_msg;
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68 |
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69 | printf("Usage: %s [switches] programfile\n", name);
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70 | while(*p)
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71 | printf(" %s\n", *p++);
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72 | }
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73 |
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74 | static int
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75 | parse_args(mrb_state *mrb, int argc, char **argv, struct _args *args)
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76 | {
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77 | char **origargv = argv;
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78 | static const struct _args args_zero = { 0 };
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79 |
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80 | *args = args_zero;
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81 |
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82 | for (argc--,argv++; argc > 0; argc--,argv++) {
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83 | char *item;
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84 | if (argv[0][0] != '-') break;
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85 |
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86 | if (strlen(*argv) <= 1) {
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87 | argc--; argv++;
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88 | args->rfp = stdin;
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89 | break;
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90 | }
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91 |
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92 | item = argv[0] + 1;
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93 | switch (*item++) {
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94 | case 'b':
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95 | args->mrbfile = 1;
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96 | break;
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97 | case 'c':
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98 | args->check_syntax = 1;
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99 | break;
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100 | case 'e':
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101 | if (item[0]) {
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102 | goto append_cmdline;
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103 | }
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104 | else if (argc > 1) {
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105 | argc--; argv++;
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106 | item = argv[0];
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107 | append_cmdline:
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108 | if (!args->cmdline) {
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109 | char *buf;
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110 |
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111 | buf = (char *)mrb_malloc(mrb, strlen(item)+1);
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112 | strcpy(buf, item);
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113 | args->cmdline = buf;
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114 | }
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115 | else {
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116 | args->cmdline = (char *)mrb_realloc(mrb, args->cmdline, strlen(args->cmdline)+strlen(item)+2);
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117 | strcat(args->cmdline, "\n");
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118 | strcat(args->cmdline, item);
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119 | }
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120 | }
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121 | else {
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122 | printf("%s: No code specified for -e\n", *origargv);
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123 | return 0;
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124 | }
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125 | break;
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126 | case 'v':
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127 | mrb_show_version(mrb);
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128 | args->verbose = 1;
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129 | break;
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130 | case '-':
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131 | if (strcmp((*argv) + 2, "version") == 0) {
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132 | mrb_show_version(mrb);
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133 | exit(0);
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134 | }
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135 | else if (strcmp((*argv) + 2, "verbose") == 0) {
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136 | args->verbose = 1;
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137 | break;
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138 | }
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139 | else if (strcmp((*argv) + 2, "copyright") == 0) {
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140 | mrb_show_copyright(mrb);
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141 | exit(0);
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142 | }
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143 | else return -3;
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144 | return 0;
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145 | default:
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146 | return -4;
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147 | }
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148 | }
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149 |
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150 | if (args->rfp == NULL && args->cmdline == NULL) {
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151 | if (*argv == NULL) args->rfp = stdin;
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152 | else {
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153 | args->rfp = fopen(argv[0], args->mrbfile ? "rb" : "r");
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154 | if (args->rfp == NULL) {
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155 | printf("%s: Cannot open program file. (%s)\n", *origargv, *argv);
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156 | return 0;
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157 | }
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158 | args->fname = 1;
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159 | args->cmdline = argv[0];
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160 | argc--; argv++;
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161 | }
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162 | }
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163 | args->argv = (char **)mrb_realloc(mrb, args->argv, sizeof(char*) * (argc + 1));
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164 | memcpy(args->argv, argv, (argc+1) * sizeof(char*));
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165 | args->argc = argc;
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166 |
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167 | return 0;
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168 | }
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169 |
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170 | static void
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171 | cleanup(mrb_state *mrb, struct _args *args)
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172 | {
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173 | if (args->rfp && args->rfp != stdin)
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174 | fclose(args->rfp);
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175 | if (args->cmdline && !args->fname)
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176 | mrb_free(mrb, args->cmdline);
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177 | if (args->argv)
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178 | mrb_free(mrb, args->argv);
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179 | mrb_close(mrb);
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180 | }
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181 |
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182 | static void
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183 | showcallinfo(mrb_state *mrb)
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184 | {
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185 | mrb_callinfo *ci;
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186 | mrb_int ciidx;
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187 | const char *filename, *method, *sep;
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188 | int i, line;
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189 |
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190 | printf("trace:\n");
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191 | ciidx = mrb_fixnum(mrb_obj_iv_get(mrb, mrb->exc, mrb_intern(mrb, "ciidx")));
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192 | if (ciidx >= mrb->ciend - mrb->cibase)
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193 | ciidx = 10; /* ciidx is broken... */
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194 |
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195 | for (i = ciidx; i >= 0; i--) {
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196 | ci = &mrb->cibase[i];
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197 | filename = "(unknown)";
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198 | line = -1;
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199 |
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200 | if (MRB_PROC_CFUNC_P(ci->proc)) {
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201 | continue;
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202 | }
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203 | else {
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204 | mrb_irep *irep = ci->proc->body.irep;
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205 | if (irep->filename != NULL)
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206 | filename = irep->filename;
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207 | if (irep->lines != NULL && i+1 <= ciidx) {
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208 | mrb_code *pc = mrb->cibase[i+1].pc;
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209 | if (irep->iseq <= pc && pc < irep->iseq + irep->ilen) {
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210 | line = irep->lines[pc - irep->iseq - 1];
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211 | }
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212 | }
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213 | }
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214 | if (ci->target_class == ci->proc->target_class)
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215 | sep = ".";
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216 | else
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217 | sep = "#";
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218 |
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219 | method = mrb_sym2name(mrb, ci->mid);
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220 | printf("\t[%d] %s:%d%s%s%s%s\n",
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221 | i, filename, line,
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222 | method ? ":in " : "",
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223 | method ? mrb_class_name(mrb, ci->proc->target_class) : "",
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224 | method ? sep : "",
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225 | method ? method : "");
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226 | }
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227 | }
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228 |
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229 | int
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230 | eMain_main( CELLIDX idx, int argc, const char **argv)
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231 | {
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232 | CELLCB *p_cellcb = GET_CELLCB( idx );
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233 | mrb_state *mrb = mrb_open();
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234 | int n = -1;
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235 | int i;
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236 | struct _args args;
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237 | mrb_value ARGV;
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238 |
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239 | cInit_initializeBridge( mrb );
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240 |
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241 | if (mrb == NULL) {
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242 | fprintf(stderr, "Invalid mrb_state, exiting mruby\n");
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243 | return EXIT_FAILURE;
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244 | }
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245 |
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246 | n = parse_args(mrb, argc, (char **)argv, &args);
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247 | if (n < 0 || (args.cmdline == NULL && args.rfp == NULL)) {
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248 | cleanup(mrb, &args);
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249 | usage(argv[0]);
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250 | return n;
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251 | }
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252 |
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253 | ARGV = mrb_ary_new_capa(mrb, args.argc);
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254 | for (i = 0; i < args.argc; i++) {
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255 | mrb_ary_push(mrb, ARGV, mrb_str_new(mrb, args.argv[i], strlen(args.argv[i])));
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256 | }
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257 | mrb_define_global_const(mrb, "ARGV", ARGV);
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258 |
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259 | if (args.mrbfile) {
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260 | n = mrb_load_irep(mrb, args.rfp);
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261 | if (n < 0) {
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262 | fprintf(stderr, "failed to load mrb file: %s\n", args.cmdline);
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263 | }
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264 | else if (!args.check_syntax) {
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265 | mrb_run(mrb, mrb_proc_new(mrb, mrb->irep[n]), mrb_top_self(mrb));
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266 | n = 0;
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267 | if (mrb->exc) {
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268 | showcallinfo(mrb);
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269 | p(mrb, mrb_obj_value(mrb->exc));
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270 | n = -1;
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271 | }
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272 | }
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273 | }
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274 | else {
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275 | mrbc_context *c = mrbc_context_new(mrb);
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276 | mrb_value v;
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277 |
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278 | if (args.verbose)
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279 | c->dump_result = 1;
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280 | if (args.check_syntax)
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281 | c->no_exec = 1;
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282 |
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283 | if (args.rfp) {
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284 | mrbc_filename(mrb, c, args.cmdline ? args.cmdline : "-");
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285 | v = mrb_load_file_cxt(mrb, args.rfp, c);
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286 | }
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287 | else {
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288 | mrbc_filename(mrb, c, "-e");
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289 | v = mrb_load_string_cxt(mrb, args.cmdline, c);
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290 | }
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291 | mrbc_context_free(mrb, c);
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292 | if (mrb->exc) {
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293 | if (!mrb_undef_p(v)) {
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294 | showcallinfo(mrb);
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295 | p(mrb, mrb_obj_value(mrb->exc));
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296 | }
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297 | n = -1;
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298 | }
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299 | else if (args.check_syntax) {
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300 | printf("Syntax OK\n");
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301 | }
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302 | }
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303 | cleanup(mrb, &args);
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304 |
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305 | return n == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
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306 | }
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