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 <stdlib.h>
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7 |
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8 | #include "mrdb.h"
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9 | #include "mruby/value.h"
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10 | #include "mruby/class.h"
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11 | #include "mruby/compile.h"
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12 | #include "mruby/error.h"
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13 | #include "mruby/numeric.h"
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14 | #include "mruby/string.h"
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15 | #include "apiprint.h"
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16 |
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17 | dbgcmd_state
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18 | dbgcmd_print(mrb_state *mrb, mrdb_state *mrdb)
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19 | {
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20 | mrb_value expr;
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21 | mrb_value result;
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22 | mrb_value s;
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23 | uint8_t wcnt;
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24 | int ai;
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25 |
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26 | if (mrdb->wcnt <= 1) {
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27 | puts("Parameter not specified.");
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28 | return DBGST_PROMPT;
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29 | }
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30 |
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31 | ai = mrb_gc_arena_save(mrb);
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32 |
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33 | /* eval expr */
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34 | expr = mrb_str_new_cstr(mrb, NULL);
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35 | for (wcnt = 1; wcnt < mrdb->wcnt; wcnt++) {
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36 | expr = mrb_str_cat_lit(mrb, expr, " ");
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37 | expr = mrb_str_cat_cstr(mrb, expr, mrdb->words[wcnt]);
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38 | }
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39 |
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40 | result = mrb_debug_eval(mrb, mrdb->dbg, RSTRING_PTR(expr), RSTRING_LEN(expr), NULL);
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41 |
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42 | /* $print_no = result */
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43 | s = mrb_str_cat_lit(mrb, result, "\0");
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44 | printf("$%lu = %s\n", (unsigned long)mrdb->print_no++, RSTRING_PTR(s));
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45 |
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46 | if (mrdb->print_no == 0) {
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47 | mrdb->print_no = 1;
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48 | }
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49 |
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50 | mrb_gc_arena_restore(mrb, ai);
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51 |
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52 | return DBGST_PROMPT;
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53 | }
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54 |
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55 | dbgcmd_state
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56 | dbgcmd_eval(mrb_state *mrb, mrdb_state *mrdb)
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57 | {
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58 | return dbgcmd_print(mrb, mrdb);
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59 | }
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