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show line numbers in backtrace.

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This commit is contained in:
Tomoyuki Sahara
2012-11-01 17:02:08 +09:00
parent 80ed166e9f
commit 9622d65a6b
1 changed files with 20 additions and 10 deletions
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tools/mruby/mruby.c
+20 -10
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@@ -168,28 +168,38 @@ showcallinfo(mrb_state *mrb)
mrb_callinfo *ci;
mrb_int ciidx;
const char *filename, *sep;
int i;
int i, line;
printf("trace:\n");
ciidx = mrb_fixnum(mrb_obj_iv_get(mrb, mrb->exc, mrb_intern(mrb, "ciidx")));
for (i = 1; i <= ciidx; i++) {
if (ciidx >= mrb->ciend - mrb->cibase)
ciidx = 10; /* ciidx is broken... */
for (i = ciidx; i >= 0; i--) {
ci = &mrb->cibase[i];
filename = "(unknown)";
line = -1;
if (MRB_PROC_CFUNC_P(ci->proc))
if (MRB_PROC_CFUNC_P(ci->proc)) {
filename = "(cfunc)";
else {
filename = ci->proc->body.irep->filename;
if (filename == NULL)
filename = "(unknown)";
} else {
mrb_irep *irep = ci->proc->body.irep;
if (irep->filename != NULL)
filename = irep->filename;
if (irep->lines != NULL && i+1 <= ciidx) {
mrb_code *pc = mrb->cibase[i+1].pc;
if (irep->iseq <= pc && pc < irep->iseq + irep->ilen) {
line = irep->lines[pc - irep->iseq - 1];
}
}
}
if (ci->target_class == ci->proc->target_class)
sep = ".";
else
sep = "#";
printf(" ci[%d]: %s:in %s%s%s\n",
i, filename,
printf("\t[%d] %s:%d:in %s%s%s\n",
i, filename, line,
mrb_class_name(mrb, ci->proc->target_class),
sep,
mrb_sym2name(mrb, ci->mid));