1 | /*
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2 | ** apibreak.c
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3 | **
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4 | */
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5 |
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6 | #include <string.h>
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7 | #include "mruby.h"
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8 | #include "mruby/irep.h"
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9 | #include "mrdb.h"
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10 | #include "mruby/debug.h"
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11 | #include "mruby/opcode.h"
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12 | #include "mruby/class.h"
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13 | #include "mruby/proc.h"
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14 | #include "mruby/variable.h"
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15 | #include "mrdberror.h"
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16 | #include "apibreak.h"
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17 |
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18 | #define MAX_BREAKPOINTNO (MAX_BREAKPOINT * 1024)
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19 | #define MRB_DEBUG_BP_FILE_OK (0x0001)
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20 | #define MRB_DEBUG_BP_LINENO_OK (0x0002)
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21 |
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22 | static uint16_t
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23 | check_lineno( mrb_irep_debug_info_file *info_file, uint16_t lineno )
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24 | {
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25 | uint32_t count = info_file->line_entry_count;
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26 | uint16_t l_idx;
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27 |
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28 | if( info_file->line_type == mrb_debug_line_ary ) {
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29 | for (l_idx = 0; l_idx < count; ++l_idx) {
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30 | if(lineno == info_file->lines.ary[l_idx]) {
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31 | return lineno;
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32 | }
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33 | }
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34 | } else {
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35 | for (l_idx = 0; l_idx < count; ++l_idx) {
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36 | if(lineno == info_file->lines.flat_map[l_idx].line) {
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37 | return lineno;
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38 | }
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39 | }
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40 | }
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41 |
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42 | return 0;
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43 | }
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44 |
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45 | static int32_t
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46 | get_break_index( mrb_debug_context *dbg, int32_t bpno )
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47 | {
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48 | uint32_t i;
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49 | int32_t index;
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50 | char hit = FALSE;
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51 |
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52 | for(i = 0 ; i < dbg->bpnum; i++) {
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53 | if(dbg->bp[i].bpno == bpno) {
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54 | hit = TRUE;
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55 | index = i;
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56 | break;
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57 | }
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58 | }
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59 |
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60 | if(hit == FALSE) {
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61 | return MRB_DEBUG_BREAK_INVALID_NO;
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62 | }
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63 |
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64 | return index;
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65 | }
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66 |
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67 | static void
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68 | free_breakpoint( mrb_state *mrb, mrb_debug_breakpoint *bp )
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69 | {
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70 | switch(bp->type) {
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71 | case MRB_DEBUG_BPTYPE_LINE:
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72 | mrb_free(mrb, (void*)bp->point.linepoint.file);
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73 | break;
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74 | case MRB_DEBUG_BPTYPE_METHOD:
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75 | mrb_free(mrb, (void*)bp->point.methodpoint.method_name);
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76 | if(bp->point.methodpoint.class_name != NULL) {
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77 | mrb_free(mrb, (void*)bp->point.methodpoint.class_name);
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78 | }
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79 | break;
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80 | default:
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81 | break;
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82 | }
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83 | }
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84 |
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85 | static uint16_t
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86 | check_file_lineno( struct mrb_irep *irep, const char *file, uint16_t lineno )
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87 | {
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88 | mrb_irep_debug_info_file *info_file;
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89 | uint16_t result = 0;
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90 | uint16_t f_idx;
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91 | uint16_t fix_lineno;
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92 | uint16_t i;
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93 |
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94 | for (f_idx = 0; f_idx < irep->debug_info->flen; ++f_idx) {
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95 | info_file = irep->debug_info->files[f_idx];
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96 | if(!strcmp(info_file->filename, file)) {
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97 | result = MRB_DEBUG_BP_FILE_OK;
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98 |
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99 | fix_lineno = check_lineno( info_file, lineno );
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100 | if(fix_lineno != 0) {
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101 | return result | MRB_DEBUG_BP_LINENO_OK;
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102 | }
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103 | }
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104 | for ( i=0; i < irep->rlen; ++i ) {
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105 | result |= check_file_lineno(irep->reps[i], file, lineno);
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106 | if(result == (MRB_DEBUG_BP_FILE_OK | MRB_DEBUG_BP_LINENO_OK)) {
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107 | return result;
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108 | }
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109 | }
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110 | }
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111 | return result;
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112 | }
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113 |
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114 | static const char*
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115 | get_class_name( mrb_state *mrb, struct RClass *class_obj )
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116 | {
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117 | struct RClass *outer;
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118 | mrb_sym class_sym;
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119 |
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120 | outer = mrb_class_outer_module(mrb, class_obj);
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121 | class_sym = mrb_class_sym(mrb, class_obj, outer);
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122 | return mrb_sym2name(mrb, class_sym);
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123 | }
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124 |
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125 | static int32_t
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126 | compare_break_method( mrb_state *mrb, mrb_debug_breakpoint *bp, struct RClass *class_obj, mrb_sym method_sym, mrb_bool* isCfunc )
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127 | {
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128 | const char* class_name;
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129 | const char* method_name;
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130 | struct RProc* m;
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131 | struct RClass* sc;
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132 | const char* sn;
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133 | mrb_sym ssym;
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134 | mrb_debug_methodpoint *method_p;
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135 | mrb_bool is_defined;
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136 |
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137 | method_name = mrb_sym2name(mrb, method_sym);
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138 |
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139 | method_p = &bp->point.methodpoint;
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140 | if(strcmp(method_p->method_name, method_name) == 0) {
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141 | class_name = get_class_name(mrb, class_obj);
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142 | if(class_name == NULL) {
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143 | if(method_p->class_name == NULL) {
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144 | return bp->bpno;
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145 | }
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146 | }
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147 | else if(method_p->class_name != NULL) {
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148 | m = mrb_method_search_vm(mrb, &class_obj, method_sym);
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149 | if(m == NULL) {
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150 | return MRB_DEBUG_OK;
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151 | }
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152 | if(MRB_PROC_CFUNC_P(m)) {
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153 | *isCfunc = TRUE;
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154 | }
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155 |
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156 | is_defined = mrb_class_defined(mrb, method_p->class_name);
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157 | if(is_defined == FALSE) {
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158 | return MRB_DEBUG_OK;
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159 | }
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160 |
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161 | sc = mrb_class_get(mrb, method_p->class_name);
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162 | ssym = mrb_symbol(mrb_check_intern_cstr(mrb, method_p->method_name));
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163 | m = mrb_method_search_vm(mrb, &sc, ssym);
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164 | if(m == NULL) {
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165 | return MRB_DEBUG_OK;
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166 | }
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167 |
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168 | class_name = get_class_name(mrb, class_obj);
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169 | sn = get_class_name(mrb, sc);
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170 | if(strcmp(sn, class_name) == 0) {
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171 | return bp->bpno;
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172 | }
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173 | }
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174 | }
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175 | return MRB_DEBUG_OK;
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176 | }
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177 |
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178 | int32_t
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179 | mrb_debug_set_break_line( mrb_state *mrb, mrb_debug_context *dbg, const char *file, uint16_t lineno)
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180 | {
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181 | int32_t index;
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182 | char* set_file;
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183 | uint16_t result;
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184 |
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185 | if((mrb == NULL)||(dbg == NULL)||(file == NULL)) {
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186 | return MRB_DEBUG_INVALID_ARGUMENT;
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187 | }
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188 |
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189 | if(dbg->bpnum >= MAX_BREAKPOINT) {
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190 | return MRB_DEBUG_BREAK_NUM_OVER;
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191 | }
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192 |
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193 | if(dbg->next_bpno > MAX_BREAKPOINTNO) {
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194 | return MRB_DEBUG_BREAK_NO_OVER;
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195 | }
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196 |
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197 | /* file and lineno check (line type mrb_debug_line_ary only.) */
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198 | result = check_file_lineno( dbg->root_irep, file, lineno );
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199 | if(result == 0) {
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200 | return MRB_DEBUG_BREAK_INVALID_FILE;
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201 | }else if(result == MRB_DEBUG_BP_FILE_OK) {
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202 | return MRB_DEBUG_BREAK_INVALID_LINENO;
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203 | }
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204 |
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205 | set_file = mrb_malloc(mrb, strlen(file) + 1);
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206 |
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207 | index = dbg->bpnum;
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208 | dbg->bp[index].bpno = dbg->next_bpno;
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209 | dbg->next_bpno++;
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210 | dbg->bp[index].enable = TRUE;
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211 | dbg->bp[index].type = MRB_DEBUG_BPTYPE_LINE;
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212 | dbg->bp[index].point.linepoint.lineno = lineno;
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213 | dbg->bpnum++;
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214 |
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215 | strncpy(set_file, file, strlen(file) + 1);
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216 |
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217 | dbg->bp[index].point.linepoint.file = set_file;
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218 |
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219 | return dbg->bp[index].bpno;
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220 | }
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221 |
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222 | int32_t
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223 | mrb_debug_set_break_method( mrb_state *mrb, mrb_debug_context *dbg, const char *class_name, const char *method_name )
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224 | {
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225 | int32_t index;
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226 | char* set_class;
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227 | char* set_method;
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228 |
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229 | if((mrb == NULL) || (dbg == NULL) || (method_name == NULL)) {
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230 | return MRB_DEBUG_INVALID_ARGUMENT;
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231 | }
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232 |
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233 | if(dbg->bpnum >= MAX_BREAKPOINT) {
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234 | return MRB_DEBUG_BREAK_NUM_OVER;
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235 | }
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236 |
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237 | if(dbg->next_bpno > MAX_BREAKPOINTNO) {
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238 | return MRB_DEBUG_BREAK_NO_OVER;
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239 | }
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240 |
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241 | if(class_name != NULL) {
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242 | set_class = mrb_malloc(mrb, strlen(class_name) + 1);
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243 | strncpy(set_class, class_name, strlen(class_name) + 1);
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244 | }
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245 | else {
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246 | set_class = NULL;
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247 | }
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248 |
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249 | set_method = mrb_malloc(mrb, strlen(method_name) + 1);
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250 |
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251 | strncpy(set_method, method_name, strlen(method_name) + 1);
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252 |
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253 | index = dbg->bpnum;
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254 | dbg->bp[index].bpno = dbg->next_bpno;
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255 | dbg->next_bpno++;
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256 | dbg->bp[index].enable = TRUE;
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257 | dbg->bp[index].type = MRB_DEBUG_BPTYPE_METHOD;
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258 | dbg->bp[index].point.methodpoint.method_name = set_method;
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259 | dbg->bp[index].point.methodpoint.class_name = set_class;
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260 | dbg->bpnum++;
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261 |
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262 | return dbg->bp[index].bpno;
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263 | }
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264 |
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265 | int32_t
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266 | mrb_debug_get_breaknum( mrb_state *mrb, mrb_debug_context *dbg )
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267 | {
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268 | if((mrb == NULL) || (dbg == NULL)) {
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269 | return MRB_DEBUG_INVALID_ARGUMENT;
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270 | }
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271 |
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272 | return dbg->bpnum;
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273 | }
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274 |
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275 | int32_t
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276 | mrb_debug_get_break_all( mrb_state *mrb, mrb_debug_context *dbg, uint32_t size, mrb_debug_breakpoint *bp )
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277 | {
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278 | uint32_t get_size = 0;
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279 |
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280 | if((mrb == NULL) || (dbg == NULL) || (bp == NULL)) {
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281 | return MRB_DEBUG_INVALID_ARGUMENT;
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282 | }
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283 |
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284 | if(dbg->bpnum >= size) {
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285 | get_size = size;
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286 | }
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287 | else {
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288 | get_size = dbg->bpnum;
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289 | }
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290 |
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291 | memcpy(bp, dbg->bp, sizeof(mrb_debug_breakpoint) * get_size);
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292 |
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293 | return get_size;
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294 | }
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295 |
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296 | int32_t
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297 | mrb_debug_get_break( mrb_state *mrb, mrb_debug_context *dbg, uint32_t bpno, mrb_debug_breakpoint *bp )
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298 | {
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299 | uint32_t index;
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300 |
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301 | if((mrb == NULL) || (dbg == NULL) || (bp == NULL)) {
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302 | return MRB_DEBUG_INVALID_ARGUMENT;
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303 | }
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304 |
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305 | index = get_break_index(dbg, bpno);
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306 | if(index == MRB_DEBUG_BREAK_INVALID_NO) {
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307 | return MRB_DEBUG_BREAK_INVALID_NO;
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308 | }
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309 |
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310 | bp->bpno = dbg->bp[index].bpno;
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311 | bp->enable = dbg->bp[index].enable;
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312 | bp->point = dbg->bp[index].point;
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313 | bp->type = dbg->bp[index].type;
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314 |
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315 | return 0;
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316 | }
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317 |
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318 | int32_t
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319 | mrb_debug_delete_break( mrb_state *mrb, mrb_debug_context *dbg, uint32_t bpno )
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320 | {
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321 | uint32_t i;
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322 | int32_t index;
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323 |
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324 | if((mrb == NULL) ||(dbg == NULL)) {
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325 | return MRB_DEBUG_INVALID_ARGUMENT;
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326 | }
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327 |
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328 | index = get_break_index(dbg, bpno);
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329 | if(index == MRB_DEBUG_BREAK_INVALID_NO) {
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330 | return MRB_DEBUG_BREAK_INVALID_NO;
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331 | }
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332 |
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333 | free_breakpoint(mrb, &dbg->bp[index]);
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334 |
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335 | for(i = index ; i < dbg->bpnum; i++) {
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336 | if((i + 1) == dbg->bpnum) {
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337 | memset(&dbg->bp[i], 0, sizeof(mrb_debug_breakpoint));
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338 | }
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339 | else {
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340 | memcpy(&dbg->bp[i], &dbg->bp[i + 1], sizeof(mrb_debug_breakpoint));
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341 | }
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342 | }
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343 |
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344 | dbg->bpnum--;
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345 |
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346 | return MRB_DEBUG_OK;
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347 | }
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348 |
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349 | int32_t
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350 | mrb_debug_delete_break_all( mrb_state *mrb, mrb_debug_context *dbg )
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351 | {
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352 | uint32_t i;
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353 |
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354 | if((mrb == NULL) || (dbg == NULL)) {
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355 | return MRB_DEBUG_INVALID_ARGUMENT;
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356 | }
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357 |
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358 | for(i = 0 ; i < dbg->bpnum ; i++) {
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359 | free_breakpoint(mrb, &dbg->bp[i]);
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360 | }
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361 |
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362 | dbg->bpnum = 0;
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363 |
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364 | return MRB_DEBUG_OK;
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365 | }
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366 |
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367 | int32_t
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368 | mrb_debug_enable_break( mrb_state *mrb, mrb_debug_context *dbg, uint32_t bpno )
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369 | {
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370 | int32_t index = 0;
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371 |
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372 | if((mrb == NULL) || (dbg == NULL)) {
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373 | return MRB_DEBUG_INVALID_ARGUMENT;
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374 | }
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375 |
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376 | index = get_break_index(dbg, bpno);
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377 | if(index == MRB_DEBUG_BREAK_INVALID_NO) {
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378 | return MRB_DEBUG_BREAK_INVALID_NO;
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379 | }
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380 |
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381 | dbg->bp[index].enable = TRUE;
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382 |
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383 | return MRB_DEBUG_OK;
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384 | }
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385 |
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386 | int32_t
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387 | mrb_debug_enable_break_all( mrb_state *mrb, mrb_debug_context *dbg )
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388 | {
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389 | uint32_t i;
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390 |
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391 | if((mrb == NULL) || (dbg == NULL)) {
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392 | return MRB_DEBUG_INVALID_ARGUMENT;
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393 | }
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394 |
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395 | for(i = 0 ; i < dbg->bpnum; i++) {
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396 | dbg->bp[i].enable = TRUE;
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397 | }
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398 |
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399 | return MRB_DEBUG_OK;
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400 | }
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401 |
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402 | int32_t
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403 | mrb_debug_disable_break( mrb_state *mrb, mrb_debug_context *dbg, uint32_t bpno )
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404 | {
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405 | int32_t index = 0;
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406 |
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407 | if((mrb == NULL) || (dbg == NULL)) {
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408 | return MRB_DEBUG_INVALID_ARGUMENT;
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409 | }
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410 |
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411 | index = get_break_index(dbg, bpno);
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412 | if(index == MRB_DEBUG_BREAK_INVALID_NO) {
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413 | return MRB_DEBUG_BREAK_INVALID_NO;
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414 | }
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415 |
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416 | dbg->bp[index].enable = FALSE;
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417 |
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418 | return MRB_DEBUG_OK;
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419 | }
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420 |
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421 | int32_t
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422 | mrb_debug_disable_break_all( mrb_state *mrb, mrb_debug_context *dbg )
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423 | {
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424 | uint32_t i;
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425 |
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426 | if((mrb == NULL) || (dbg == NULL)) {
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427 | return MRB_DEBUG_INVALID_ARGUMENT;
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428 | }
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429 |
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430 | for(i = 0 ; i < dbg->bpnum; i++) {
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431 | dbg->bp[i].enable = FALSE;
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432 | }
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433 |
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434 | return MRB_DEBUG_OK;
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435 | }
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436 |
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437 | static mrb_bool
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438 | check_start_pc_for_line( mrb_irep *irep, mrb_code *pc, uint16_t line )
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439 | {
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440 | if( pc > irep->iseq ) {
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441 | if( line == mrb_debug_get_line(irep, (uint32_t)(pc - irep->iseq - 1))) {
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442 | return FALSE;
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443 | }
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444 | }
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445 | return TRUE;
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446 | }
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447 |
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448 | int32_t
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449 | mrb_debug_check_breakpoint_line( mrb_state *mrb, mrb_debug_context *dbg, const char *file, uint16_t line )
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450 | {
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451 | mrb_debug_breakpoint *bp;
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452 | mrb_debug_linepoint *line_p;
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453 | int i;
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454 |
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455 | if((mrb == NULL) || (dbg == NULL) || (file == NULL) || (line <= 0)) {
|
---|
456 | return MRB_DEBUG_INVALID_ARGUMENT;
|
---|
457 | }
|
---|
458 |
|
---|
459 | if(!check_start_pc_for_line(dbg->irep, dbg->pc, line)) {
|
---|
460 | return MRB_DEBUG_OK;
|
---|
461 | }
|
---|
462 |
|
---|
463 | bp = dbg->bp;
|
---|
464 | for(i=0; i<dbg->bpnum; i++) {
|
---|
465 | switch (bp->type) {
|
---|
466 | case MRB_DEBUG_BPTYPE_LINE:
|
---|
467 | if(bp->enable == TRUE) {
|
---|
468 | line_p = &bp->point.linepoint;
|
---|
469 | if((strcmp(line_p->file, file) == 0) && (line_p->lineno == line)) {
|
---|
470 | return bp->bpno;
|
---|
471 | }
|
---|
472 | }
|
---|
473 | break;
|
---|
474 | case MRB_DEBUG_BPTYPE_METHOD:
|
---|
475 | break;
|
---|
476 | case MRB_DEBUG_BPTYPE_NONE:
|
---|
477 | default:
|
---|
478 | return MRB_DEBUG_OK;
|
---|
479 | }
|
---|
480 | bp++;
|
---|
481 | }
|
---|
482 | return MRB_DEBUG_OK;
|
---|
483 | }
|
---|
484 |
|
---|
485 |
|
---|
486 | int32_t
|
---|
487 | mrb_debug_check_breakpoint_method( mrb_state *mrb, mrb_debug_context *dbg, struct RClass *class_obj, mrb_sym method_sym, mrb_bool* isCfunc )
|
---|
488 | {
|
---|
489 | mrb_debug_breakpoint *bp;
|
---|
490 | int32_t bpno;
|
---|
491 | int i;
|
---|
492 |
|
---|
493 | if((mrb == NULL) || (dbg == NULL) || (class_obj == NULL)) {
|
---|
494 | return MRB_DEBUG_INVALID_ARGUMENT;
|
---|
495 | }
|
---|
496 |
|
---|
497 | bp = dbg->bp;
|
---|
498 | for(i=0; i<dbg->bpnum; i++) {
|
---|
499 | if(bp->type == MRB_DEBUG_BPTYPE_METHOD) {
|
---|
500 | if(bp->enable == TRUE) {
|
---|
501 | bpno = compare_break_method(mrb, bp, class_obj, method_sym, isCfunc);
|
---|
502 | if(bpno > 0) {
|
---|
503 | return bpno;
|
---|
504 | }
|
---|
505 | }
|
---|
506 | }
|
---|
507 | else if(bp->type == MRB_DEBUG_BPTYPE_NONE) {
|
---|
508 | break;
|
---|
509 | }
|
---|
510 | bp++;
|
---|
511 | }
|
---|
512 |
|
---|
513 | return 0;
|
---|
514 | }
|
---|
515 |
|
---|
516 |
|
---|