[279] | 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 <stdlib.h>
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| 7 | #include <string.h>
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| 8 |
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| 9 | #include "mruby.h"
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| 10 | #include "mruby/irep.h"
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| 11 | #include "mrdb.h"
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| 12 | #include "mruby/debug.h"
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| 13 | #include "mruby/opcode.h"
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| 14 | #include "mruby/class.h"
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| 15 | #include "mruby/proc.h"
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| 16 | #include "mruby/variable.h"
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| 17 | #include "mrdberror.h"
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| 18 | #include "apibreak.h"
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| 19 |
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| 20 | #define MAX_BREAKPOINTNO (MAX_BREAKPOINT * 1024)
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| 21 | #define MRB_DEBUG_BP_FILE_OK (0x0001)
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| 22 | #define MRB_DEBUG_BP_LINENO_OK (0x0002)
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| 23 |
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| 24 | static uint16_t
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| 25 | check_lineno(mrb_irep_debug_info_file *info_file, uint16_t lineno)
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| 26 | {
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| 27 | uint32_t count = info_file->line_entry_count;
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| 28 | uint16_t l_idx;
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| 29 |
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| 30 | if (info_file->line_type == mrb_debug_line_ary) {
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| 31 | for (l_idx = 0; l_idx < count; ++l_idx) {
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| 32 | if (lineno == info_file->lines.ary[l_idx]) {
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| 33 | return lineno;
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| 34 | }
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| 35 | }
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| 36 | }
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| 37 | else {
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| 38 | for (l_idx = 0; l_idx < count; ++l_idx) {
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| 39 | if (lineno == info_file->lines.flat_map[l_idx].line) {
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| 40 | return lineno;
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| 41 | }
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| 42 | }
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| 43 | }
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| 44 |
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| 45 | return 0;
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| 46 | }
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| 47 |
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| 48 | static int32_t
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| 49 | get_break_index(mrb_debug_context *dbg, uint32_t bpno)
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| 50 | {
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| 51 | uint32_t i;
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| 52 | int32_t index;
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| 53 | char hit = FALSE;
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| 54 |
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| 55 | for (i = 0; i < dbg->bpnum; i++) {
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| 56 | if (dbg->bp[i].bpno == bpno) {
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| 57 | hit = TRUE;
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| 58 | index = i;
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| 59 | break;
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| 60 | }
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| 61 | }
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| 62 |
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| 63 | if (hit == FALSE) {
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| 64 | return MRB_DEBUG_BREAK_INVALID_NO;
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| 65 | }
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| 66 |
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| 67 | return index;
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| 68 | }
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| 69 |
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| 70 | static void
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| 71 | free_breakpoint(mrb_state *mrb, mrb_debug_breakpoint *bp)
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| 72 | {
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| 73 | switch (bp->type) {
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| 74 | case MRB_DEBUG_BPTYPE_LINE:
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| 75 | mrb_free(mrb, (void*)bp->point.linepoint.file);
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| 76 | break;
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| 77 | case MRB_DEBUG_BPTYPE_METHOD:
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| 78 | mrb_free(mrb, (void*)bp->point.methodpoint.method_name);
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| 79 | if (bp->point.methodpoint.class_name != NULL) {
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| 80 | mrb_free(mrb, (void*)bp->point.methodpoint.class_name);
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| 81 | }
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| 82 | break;
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| 83 | default:
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| 84 | break;
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| 85 | }
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| 86 | }
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| 87 |
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| 88 | static uint16_t
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| 89 | check_file_lineno(struct mrb_irep *irep, const char *file, uint16_t lineno)
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| 90 | {
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| 91 | mrb_irep_debug_info_file *info_file;
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| 92 | uint16_t result = 0;
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| 93 | uint16_t f_idx;
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| 94 | uint16_t fix_lineno;
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| 95 | uint16_t i;
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| 96 |
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| 97 | for (f_idx = 0; f_idx < irep->debug_info->flen; ++f_idx) {
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| 98 | info_file = irep->debug_info->files[f_idx];
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| 99 | if (!strcmp(info_file->filename, file)) {
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| 100 | result = MRB_DEBUG_BP_FILE_OK;
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| 101 |
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| 102 | fix_lineno = check_lineno(info_file, lineno);
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| 103 | if (fix_lineno != 0) {
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| 104 | return result | MRB_DEBUG_BP_LINENO_OK;
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| 105 | }
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| 106 | }
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| 107 | for (i = 0; i < irep->rlen; ++i) {
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| 108 | result |= check_file_lineno(irep->reps[i], file, lineno);
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| 109 | if (result == (MRB_DEBUG_BP_FILE_OK | MRB_DEBUG_BP_LINENO_OK)) {
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| 110 | return result;
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| 111 | }
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| 112 | }
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| 113 | }
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| 114 | return result;
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| 115 | }
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| 116 |
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| 117 | static const char*
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| 118 | get_class_name(mrb_state *mrb, struct RClass *class_obj)
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| 119 | {
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| 120 | struct RClass *outer;
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| 121 | mrb_sym class_sym;
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| 122 |
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| 123 | outer = mrb_class_outer_module(mrb, class_obj);
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| 124 | class_sym = mrb_class_sym(mrb, class_obj, outer);
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| 125 | return mrb_sym2name(mrb, class_sym);
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| 126 | }
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| 127 |
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| 128 | static int32_t
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| 129 | 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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| 130 | {
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| 131 | const char* class_name;
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| 132 | const char* method_name;
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| 133 | struct RProc* m;
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| 134 | struct RClass* sc;
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| 135 | const char* sn;
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| 136 | mrb_sym ssym;
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| 137 | mrb_debug_methodpoint *method_p;
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| 138 | mrb_bool is_defined;
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| 139 |
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| 140 | method_name = mrb_sym2name(mrb, method_sym);
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| 141 |
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| 142 | method_p = &bp->point.methodpoint;
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| 143 | if (strcmp(method_p->method_name, method_name) == 0) {
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| 144 | class_name = get_class_name(mrb, class_obj);
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| 145 | if (class_name == NULL) {
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| 146 | if (method_p->class_name == NULL) {
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| 147 | return bp->bpno;
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| 148 | }
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| 149 | }
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| 150 | else if (method_p->class_name != NULL) {
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| 151 | m = mrb_method_search_vm(mrb, &class_obj, method_sym);
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| 152 | if (m == NULL) {
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| 153 | return MRB_DEBUG_OK;
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| 154 | }
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| 155 | if (MRB_PROC_CFUNC_P(m)) {
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| 156 | *isCfunc = TRUE;
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| 157 | }
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| 158 |
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| 159 | is_defined = mrb_class_defined(mrb, method_p->class_name);
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| 160 | if (is_defined == FALSE) {
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| 161 | return MRB_DEBUG_OK;
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| 162 | }
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| 163 |
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| 164 | sc = mrb_class_get(mrb, method_p->class_name);
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| 165 | ssym = mrb_symbol(mrb_check_intern_cstr(mrb, method_p->method_name));
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| 166 | m = mrb_method_search_vm(mrb, &sc, ssym);
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| 167 | if (m == NULL) {
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| 168 | return MRB_DEBUG_OK;
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| 169 | }
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| 170 |
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| 171 | class_name = get_class_name(mrb, class_obj);
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| 172 | sn = get_class_name(mrb, sc);
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| 173 | if (strcmp(sn, class_name) == 0) {
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| 174 | return bp->bpno;
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| 175 | }
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| 176 | }
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| 177 | }
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| 178 | return MRB_DEBUG_OK;
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| 179 | }
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| 180 |
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| 181 | int32_t
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| 182 | mrb_debug_set_break_line(mrb_state *mrb, mrb_debug_context *dbg, const char *file, uint16_t lineno)
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| 183 | {
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| 184 | int32_t index;
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| 185 | char* set_file;
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| 186 | uint16_t result;
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| 187 |
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| 188 | if ((mrb == NULL) || (dbg == NULL) || (file == NULL)) {
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| 189 | return MRB_DEBUG_INVALID_ARGUMENT;
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| 190 | }
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| 191 |
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| 192 | if (dbg->bpnum >= MAX_BREAKPOINT) {
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| 193 | return MRB_DEBUG_BREAK_NUM_OVER;
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| 194 | }
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| 195 |
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| 196 | if (dbg->next_bpno > MAX_BREAKPOINTNO) {
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| 197 | return MRB_DEBUG_BREAK_NO_OVER;
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| 198 | }
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| 199 |
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| 200 | /* file and lineno check (line type mrb_debug_line_ary only.) */
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| 201 | result = check_file_lineno(dbg->root_irep, file, lineno);
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| 202 | if (result == 0) {
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| 203 | return MRB_DEBUG_BREAK_INVALID_FILE;
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| 204 | }
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| 205 | else if (result == MRB_DEBUG_BP_FILE_OK) {
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| 206 | return MRB_DEBUG_BREAK_INVALID_LINENO;
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| 207 | }
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| 208 |
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| 209 | int len = strlen(file) + 1;
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| 210 | set_file = (char *)mrb_malloc(mrb, len);
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| 211 |
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| 212 | index = dbg->bpnum;
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| 213 | dbg->bp[index].bpno = dbg->next_bpno;
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| 214 | dbg->next_bpno++;
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| 215 | dbg->bp[index].enable = TRUE;
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| 216 | dbg->bp[index].type = MRB_DEBUG_BPTYPE_LINE;
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| 217 | dbg->bp[index].point.linepoint.lineno = lineno;
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| 218 | dbg->bpnum++;
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| 219 |
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| 220 | strlcpy(set_file, file, len);
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| 221 |
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| 222 | dbg->bp[index].point.linepoint.file = set_file;
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| 223 |
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| 224 | return dbg->bp[index].bpno;
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| 225 | }
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| 226 |
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| 227 | int32_t
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| 228 | mrb_debug_set_break_method(mrb_state *mrb, mrb_debug_context *dbg, const char *class_name, const char *method_name)
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| 229 | {
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| 230 | int32_t index;
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| 231 | char* set_class;
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| 232 | char* set_method;
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| 233 | int len;
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| 234 |
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| 235 | if ((mrb == NULL) || (dbg == NULL) || (method_name == NULL)) {
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| 236 | return MRB_DEBUG_INVALID_ARGUMENT;
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| 237 | }
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| 238 |
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| 239 | if (dbg->bpnum >= MAX_BREAKPOINT) {
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| 240 | return MRB_DEBUG_BREAK_NUM_OVER;
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| 241 | }
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| 242 |
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| 243 | if (dbg->next_bpno > MAX_BREAKPOINTNO) {
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| 244 | return MRB_DEBUG_BREAK_NO_OVER;
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| 245 | }
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| 246 |
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| 247 | if (class_name != NULL) {
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| 248 | len = strlen(class_name) + 1;
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| 249 | set_class = (char *)mrb_malloc(mrb, len);
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| 250 | strlcpy(set_class, class_name, len);
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| 251 | }
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| 252 | else {
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| 253 | set_class = NULL;
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| 254 | }
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| 255 |
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| 256 | len = strlen(method_name) + 1;
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| 257 | set_method = (char *)mrb_malloc(mrb, len);
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| 258 |
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| 259 | strlcpy(set_method, method_name, len);
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| 260 |
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| 261 | index = dbg->bpnum;
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| 262 | dbg->bp[index].bpno = dbg->next_bpno;
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| 263 | dbg->next_bpno++;
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| 264 | dbg->bp[index].enable = TRUE;
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| 265 | dbg->bp[index].type = MRB_DEBUG_BPTYPE_METHOD;
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| 266 | dbg->bp[index].point.methodpoint.method_name = set_method;
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| 267 | dbg->bp[index].point.methodpoint.class_name = set_class;
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| 268 | dbg->bpnum++;
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| 269 |
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| 270 | return dbg->bp[index].bpno;
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| 271 | }
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| 272 |
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| 273 | int32_t
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| 274 | mrb_debug_get_breaknum(mrb_state *mrb, mrb_debug_context *dbg)
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| 275 | {
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| 276 | if ((mrb == NULL) || (dbg == NULL)) {
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| 277 | return MRB_DEBUG_INVALID_ARGUMENT;
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| 278 | }
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| 279 |
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| 280 | return dbg->bpnum;
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| 281 | }
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| 282 |
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| 283 | int32_t
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| 284 | mrb_debug_get_break_all(mrb_state *mrb, mrb_debug_context *dbg, uint32_t size, mrb_debug_breakpoint bp[])
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| 285 | {
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| 286 | uint32_t get_size = 0;
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| 287 |
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| 288 | if ((mrb == NULL) || (dbg == NULL) || (bp == NULL)) {
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| 289 | return MRB_DEBUG_INVALID_ARGUMENT;
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| 290 | }
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| 291 |
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| 292 | if (dbg->bpnum >= size) {
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| 293 | get_size = size;
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| 294 | }
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| 295 | else {
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| 296 | get_size = dbg->bpnum;
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| 297 | }
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| 298 |
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| 299 | memcpy(bp, dbg->bp, sizeof(mrb_debug_breakpoint) * get_size);
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| 300 |
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| 301 | return get_size;
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| 302 | }
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| 303 |
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| 304 | int32_t
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| 305 | mrb_debug_get_break(mrb_state *mrb, mrb_debug_context *dbg, uint32_t bpno, mrb_debug_breakpoint *bp)
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| 306 | {
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| 307 | int32_t index;
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| 308 |
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| 309 | if ((mrb == NULL) || (dbg == NULL) || (bp == NULL)) {
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| 310 | return MRB_DEBUG_INVALID_ARGUMENT;
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| 311 | }
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| 312 |
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| 313 | index = get_break_index(dbg, bpno);
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| 314 | if (index == MRB_DEBUG_BREAK_INVALID_NO) {
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| 315 | return MRB_DEBUG_BREAK_INVALID_NO;
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| 316 | }
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| 317 |
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| 318 | bp->bpno = dbg->bp[index].bpno;
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| 319 | bp->enable = dbg->bp[index].enable;
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| 320 | bp->point = dbg->bp[index].point;
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| 321 | bp->type = dbg->bp[index].type;
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| 322 |
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| 323 | return 0;
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| 324 | }
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| 325 |
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| 326 | int32_t
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| 327 | mrb_debug_delete_break(mrb_state *mrb, mrb_debug_context *dbg, uint32_t bpno)
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| 328 | {
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| 329 | uint32_t i;
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| 330 | int32_t index;
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| 331 |
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| 332 | if ((mrb == NULL) || (dbg == NULL)) {
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| 333 | return MRB_DEBUG_INVALID_ARGUMENT;
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| 334 | }
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| 335 |
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| 336 | index = get_break_index(dbg, bpno);
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| 337 | if (index == MRB_DEBUG_BREAK_INVALID_NO) {
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| 338 | return MRB_DEBUG_BREAK_INVALID_NO;
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| 339 | }
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| 340 |
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| 341 | free_breakpoint(mrb, &dbg->bp[index]);
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| 342 |
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| 343 | for (i = index; i < dbg->bpnum; i++) {
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| 344 | if ((i + 1) == dbg->bpnum) {
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| 345 | memset(&dbg->bp[i], 0, sizeof(mrb_debug_breakpoint));
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| 346 | }
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| 347 | else {
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| 348 | memcpy(&dbg->bp[i], &dbg->bp[i + 1], sizeof(mrb_debug_breakpoint));
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| 349 | }
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| 350 | }
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| 351 |
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| 352 | dbg->bpnum--;
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| 353 |
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| 354 | return MRB_DEBUG_OK;
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| 355 | }
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| 356 |
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| 357 | int32_t
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| 358 | mrb_debug_delete_break_all(mrb_state *mrb, mrb_debug_context *dbg)
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| 359 | {
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| 360 | uint32_t i;
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| 361 |
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| 362 | if ((mrb == NULL) || (dbg == NULL)) {
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| 363 | return MRB_DEBUG_INVALID_ARGUMENT;
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| 364 | }
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| 365 |
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| 366 | for (i = 0; i < dbg->bpnum; i++) {
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| 367 | free_breakpoint(mrb, &dbg->bp[i]);
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| 368 | }
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| 369 |
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| 370 | dbg->bpnum = 0;
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| 371 |
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| 372 | return MRB_DEBUG_OK;
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| 373 | }
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| 374 |
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| 375 | int32_t
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| 376 | mrb_debug_enable_break(mrb_state *mrb, mrb_debug_context *dbg, uint32_t bpno)
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| 377 | {
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| 378 | int32_t index = 0;
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| 379 |
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| 380 | if ((mrb == NULL) || (dbg == NULL)) {
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| 381 | return MRB_DEBUG_INVALID_ARGUMENT;
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| 382 | }
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| 383 |
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| 384 | index = get_break_index(dbg, bpno);
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| 385 | if (index == MRB_DEBUG_BREAK_INVALID_NO) {
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| 386 | return MRB_DEBUG_BREAK_INVALID_NO;
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| 387 | }
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| 388 |
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| 389 | dbg->bp[index].enable = TRUE;
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| 390 |
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| 391 | return MRB_DEBUG_OK;
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| 392 | }
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| 393 |
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| 394 | int32_t
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| 395 | mrb_debug_enable_break_all(mrb_state *mrb, mrb_debug_context *dbg)
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| 396 | {
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| 397 | uint32_t i;
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| 398 |
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| 399 | if ((mrb == NULL) || (dbg == NULL)) {
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| 400 | return MRB_DEBUG_INVALID_ARGUMENT;
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| 401 | }
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| 402 |
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| 403 | for (i = 0; i < dbg->bpnum; i++) {
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| 404 | dbg->bp[i].enable = TRUE;
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| 405 | }
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| 406 |
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| 407 | return MRB_DEBUG_OK;
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| 408 | }
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| 409 |
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| 410 | int32_t
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| 411 | mrb_debug_disable_break(mrb_state *mrb, mrb_debug_context *dbg, uint32_t bpno)
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| 412 | {
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| 413 | int32_t index = 0;
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| 414 |
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| 415 | if ((mrb == NULL) || (dbg == NULL)) {
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| 416 | return MRB_DEBUG_INVALID_ARGUMENT;
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| 417 | }
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| 418 |
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| 419 | index = get_break_index(dbg, bpno);
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| 420 | if (index == MRB_DEBUG_BREAK_INVALID_NO) {
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| 421 | return MRB_DEBUG_BREAK_INVALID_NO;
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| 422 | }
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| 423 |
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| 424 | dbg->bp[index].enable = FALSE;
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| 425 |
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| 426 | return MRB_DEBUG_OK;
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| 427 | }
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| 428 |
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| 429 | int32_t
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| 430 | mrb_debug_disable_break_all(mrb_state *mrb, mrb_debug_context *dbg)
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| 431 | {
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| 432 | uint32_t i;
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| 433 |
|
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| 434 | if ((mrb == NULL) || (dbg == NULL)) {
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| 435 | return MRB_DEBUG_INVALID_ARGUMENT;
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| 436 | }
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| 437 |
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| 438 | for (i = 0; i < dbg->bpnum; i++) {
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| 439 | dbg->bp[i].enable = FALSE;
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| 440 | }
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| 441 |
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| 442 | return MRB_DEBUG_OK;
|
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| 443 | }
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| 444 |
|
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| 445 | static mrb_bool
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| 446 | check_start_pc_for_line(mrb_irep *irep, mrb_code *pc, uint16_t line)
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| 447 | {
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| 448 | if (pc > irep->iseq) {
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| 449 | if (line == mrb_debug_get_line(irep, (uint32_t)(pc - irep->iseq - 1))) {
|
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| 450 | return FALSE;
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| 451 | }
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| 452 | }
|
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| 453 | return TRUE;
|
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| 454 | }
|
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| 455 |
|
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| 456 | int32_t
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| 457 | mrb_debug_check_breakpoint_line(mrb_state *mrb, mrb_debug_context *dbg, const char *file, uint16_t line)
|
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| 458 | {
|
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| 459 | mrb_debug_breakpoint *bp;
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| 460 | mrb_debug_linepoint *line_p;
|
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| 461 | uint32_t i;
|
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| 462 |
|
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| 463 | if ((mrb == NULL) || (dbg == NULL) || (file == NULL) || (line <= 0)) {
|
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| 464 | return MRB_DEBUG_INVALID_ARGUMENT;
|
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| 465 | }
|
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| 466 |
|
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| 467 | if (!check_start_pc_for_line(dbg->irep, dbg->pc, line)) {
|
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| 468 | return MRB_DEBUG_OK;
|
---|
| 469 | }
|
---|
| 470 |
|
---|
| 471 | bp = dbg->bp;
|
---|
| 472 | for (i = 0; i < dbg->bpnum; i++) {
|
---|
| 473 | switch (bp->type) {
|
---|
| 474 | case MRB_DEBUG_BPTYPE_LINE:
|
---|
| 475 | if (bp->enable == TRUE) {
|
---|
| 476 | line_p = &bp->point.linepoint;
|
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| 477 | if ((strcmp(line_p->file, file) == 0) && (line_p->lineno == line)) {
|
---|
| 478 | return bp->bpno;
|
---|
| 479 | }
|
---|
| 480 | }
|
---|
| 481 | break;
|
---|
| 482 | case MRB_DEBUG_BPTYPE_METHOD:
|
---|
| 483 | break;
|
---|
| 484 | case MRB_DEBUG_BPTYPE_NONE:
|
---|
| 485 | default:
|
---|
| 486 | return MRB_DEBUG_OK;
|
---|
| 487 | }
|
---|
| 488 | bp++;
|
---|
| 489 | }
|
---|
| 490 | return MRB_DEBUG_OK;
|
---|
| 491 | }
|
---|
| 492 |
|
---|
| 493 |
|
---|
| 494 | int32_t
|
---|
| 495 | mrb_debug_check_breakpoint_method(mrb_state *mrb, mrb_debug_context *dbg, struct RClass *class_obj, mrb_sym method_sym, mrb_bool* isCfunc)
|
---|
| 496 | {
|
---|
| 497 | mrb_debug_breakpoint *bp;
|
---|
| 498 | int32_t bpno;
|
---|
| 499 | uint32_t i;
|
---|
| 500 |
|
---|
| 501 | if ((mrb == NULL) || (dbg == NULL) || (class_obj == NULL)) {
|
---|
| 502 | return MRB_DEBUG_INVALID_ARGUMENT;
|
---|
| 503 | }
|
---|
| 504 |
|
---|
| 505 | bp = dbg->bp;
|
---|
| 506 | for (i = 0; i < dbg->bpnum; i++) {
|
---|
| 507 | if (bp->type == MRB_DEBUG_BPTYPE_METHOD) {
|
---|
| 508 | if (bp->enable == TRUE) {
|
---|
| 509 | bpno = compare_break_method(mrb, bp, class_obj, method_sym, isCfunc);
|
---|
| 510 | if (bpno > 0) {
|
---|
| 511 | return bpno;
|
---|
| 512 | }
|
---|
| 513 | }
|
---|
| 514 | }
|
---|
| 515 | else if (bp->type == MRB_DEBUG_BPTYPE_NONE) {
|
---|
| 516 | break;
|
---|
| 517 | }
|
---|
| 518 | bp++;
|
---|
| 519 | }
|
---|
| 520 |
|
---|
| 521 | return 0;
|
---|
| 522 | }
|
---|
| 523 |
|
---|
| 524 |
|
---|