1 | /*
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2 | ** cmdprint.c - mruby debugger print command functions
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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 "mrdb.h"
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8 | #include <mruby/value.h>
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9 | #include <mruby/class.h>
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10 | #include <mruby/compile.h>
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11 | #include <mruby/error.h>
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12 | #include <mruby/numeric.h>
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13 | #include <mruby/string.h>
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14 | #include "apiprint.h"
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15 |
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16 | dbgcmd_state
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17 | dbgcmd_print(mrb_state *mrb, mrdb_state *mrdb)
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18 | {
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19 | mrb_value expr;
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20 | mrb_value result;
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21 | uint8_t wcnt;
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22 | int ai;
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23 |
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24 | if (mrdb->wcnt <= 1) {
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25 | puts("Parameter not specified.");
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26 | return DBGST_PROMPT;
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27 | }
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28 |
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29 | ai = mrb_gc_arena_save(mrb);
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30 |
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31 | /* eval expr */
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32 | expr = mrb_str_new_cstr(mrb, NULL);
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33 | for (wcnt=1; wcnt<mrdb->wcnt; wcnt++) {
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34 | expr = mrb_str_cat_lit(mrb, expr, " ");
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35 | expr = mrb_str_cat_cstr(mrb, expr, mrdb->words[wcnt]);
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36 | }
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37 |
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38 | result = mrb_debug_eval(mrb, mrdb->dbg, RSTRING_PTR(expr), RSTRING_LEN(expr), NULL, 0);
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39 |
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40 | /* $print_no = result */
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41 | printf("$%lu = ", (unsigned long)mrdb->print_no++);
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42 | fwrite(RSTRING_PTR(result), RSTRING_LEN(result), 1, stdout);
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43 | putc('\n', stdout);
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44 |
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45 | if (mrdb->print_no == 0) {
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46 | mrdb->print_no = 1;
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47 | }
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48 |
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49 | mrb_gc_arena_restore(mrb, ai);
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50 |
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51 | return DBGST_PROMPT;
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52 | }
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53 |
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54 | dbgcmd_state
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55 | dbgcmd_eval(mrb_state *mrb, mrdb_state *mrdb)
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56 | {
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57 | return dbgcmd_print(mrb, mrdb);
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58 | }
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59 |
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60 | dbgcmd_state
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61 | dbgcmd_info_local(mrb_state *mrb, mrdb_state *mrdb)
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62 | {
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63 | mrb_value result;
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64 | mrb_value s;
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65 | int ai;
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66 |
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67 | ai = mrb_gc_arena_save(mrb);
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68 |
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69 | result = mrb_debug_eval(mrb, mrdb->dbg, "local_variables", 0, NULL, 1);
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70 |
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71 | s = mrb_str_cat_lit(mrb, result, "\0");
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72 | printf("$%lu = %s\n", (unsigned long)mrdb->print_no++, RSTRING_PTR(s));
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73 |
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74 | if (mrdb->print_no == 0) {
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75 | mrdb->print_no = 1;
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76 | }
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77 |
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78 | mrb_gc_arena_restore(mrb, ai);
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79 |
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80 | return DBGST_PROMPT;
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81 | }
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