-static void
-showcallinfo(mrb_state *mrb)
-{
- mrb_callinfo *ci;
- mrb_int ciidx;
- const char *filename, *method, *sep;
- int i, line;
-
- printf("trace:\n");
- ciidx = mrb_fixnum(mrb_obj_iv_get(mrb, mrb->exc, mrb_intern(mrb, "ciidx")));
- 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)) {
- continue;
- }
- else {
- mrb_irep *irep = ci->proc->body.irep;
- if (irep->filename != NULL)
- filename = irep->filename;
- if (irep->lines != NULL) {
- mrb_code *pc;
-
- if (i+1 <= ciidx) {
- pc = mrb->cibase[i+1].pc;
- }
- else {
- pc = (mrb_code*)mrb_voidp(mrb_obj_iv_get(mrb, mrb->exc, mrb_intern(mrb, "lastpc")));
- }
- if (irep->iseq <= pc && pc < irep->iseq + irep->ilen) {
- line = irep->lines[pc - irep->iseq - 1];
- }
- }
- }
- if (line == -1) continue;
- if (ci->target_class == ci->proc->target_class)
- sep = ".";
- else
- sep = "#";
-
- method = mrb_sym2name(mrb, ci->mid);
- if (method) {
- const char *cn = mrb_class_name(mrb, ci->proc->target_class);
-
- if (cn) {
- printf("\t[%d] %s:%d:in %s%s%s\n", i, filename, line, cn, sep, method);
- }
- else {
- printf("\t[%d] %s:%d:in %s\n", i, filename, line, method);
- }
- }
- else {
- printf("\t[%d] %s:%d\n", i, filename, line);
- }
- }
-}
-