[270] | 1 | /*
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| 2 | ** apiprint.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 "mrdb.h"
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[331] | 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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[270] | 14 | #include "apiprint.h"
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| 15 |
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| 16 | static void
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| 17 | mrdb_check_syntax(mrb_state *mrb, mrb_debug_context *dbg, const char *expr, size_t len)
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| 18 | {
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| 19 | mrbc_context *c;
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| 20 |
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| 21 | c = mrbc_context_new(mrb);
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| 22 | c->no_exec = TRUE;
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| 23 | c->capture_errors = TRUE;
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[439] | 24 | mrbc_filename(mrb, c, (const char*)dbg->prvfile);
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[270] | 25 | c->lineno = dbg->prvline;
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| 26 |
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| 27 | /* Load program */
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| 28 | mrb_load_nstring_cxt(mrb, expr, len, c);
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| 29 |
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| 30 | mrbc_context_free(mrb, c);
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| 31 | }
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| 32 |
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| 33 | mrb_value
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[439] | 34 | mrb_debug_eval(mrb_state *mrb, mrb_debug_context *dbg, const char *expr, size_t len, mrb_bool *exc, int direct_eval)
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[270] | 35 | {
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[439] | 36 | void (*tmp)(struct mrb_state *, struct mrb_irep *, const mrb_code *, mrb_value *);
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[270] | 37 | mrb_value ruby_code;
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| 38 | mrb_value s;
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| 39 | mrb_value v;
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| 40 | mrb_value recv;
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| 41 |
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| 42 | /* disable code_fetch_hook */
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| 43 | tmp = mrb->code_fetch_hook;
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| 44 | mrb->code_fetch_hook = NULL;
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| 45 |
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| 46 | mrdb_check_syntax(mrb, dbg, expr, len);
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| 47 | if (mrb->exc) {
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| 48 | v = mrb_obj_value(mrb->exc);
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| 49 | mrb->exc = 0;
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| 50 | }
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[439] | 51 | else if (direct_eval) {
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| 52 | recv = dbg->regs[0];
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| 53 |
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| 54 | v = mrb_funcall(mrb, recv, expr, 0);
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| 55 | }
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[270] | 56 | else {
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| 57 | /*
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| 58 | * begin
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| 59 | * expr
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| 60 | * rescue => e
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| 61 | * e
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| 62 | * end
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| 63 | */
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| 64 | ruby_code = mrb_str_new_lit(mrb, "begin\n");
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| 65 | ruby_code = mrb_str_cat(mrb, ruby_code, expr, len);
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| 66 | ruby_code = mrb_str_cat_lit(mrb, ruby_code, "\nrescue => e\ne\nend");
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| 67 |
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| 68 | recv = dbg->regs[0];
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| 69 |
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| 70 | v = mrb_funcall(mrb, recv, "instance_eval", 1, ruby_code);
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| 71 | }
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| 72 |
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| 73 | if (exc) {
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| 74 | *exc = mrb_obj_is_kind_of(mrb, v, mrb->eException_class);
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| 75 | }
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| 76 |
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[439] | 77 | s = mrb_inspect(mrb, v);
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[270] | 78 |
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| 79 | /* enable code_fetch_hook */
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| 80 | mrb->code_fetch_hook = tmp;
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| 81 |
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| 82 | return s;
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| 83 | }
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