add pic_print_backtrace function
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a8de062bcb
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@ -187,6 +187,7 @@ noreturn void pic_abort(pic_state *, const char *);
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noreturn void pic_errorf(pic_state *, const char *, ...);
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noreturn void pic_errorf(pic_state *, const char *, ...);
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void pic_warnf(pic_state *, const char *, ...);
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void pic_warnf(pic_state *, const char *, ...);
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pic_str *pic_get_backtrace(pic_state *);
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pic_str *pic_get_backtrace(pic_state *);
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void pic_print_backtrace(pic_state *, struct pic_error *);
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/* obsoleted */
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/* obsoleted */
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noreturn static inline void pic_error(pic_state *pic, const char *msg)
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noreturn static inline void pic_error(pic_state *pic, const char *msg)
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49
src/debug.c
49
src/debug.c
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@ -14,11 +14,38 @@ pic_get_backtrace(pic_state *pic)
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pic_callinfo *ci;
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pic_callinfo *ci;
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pic_str *trace;
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pic_str *trace;
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trace = pic_str_new(pic, NULL, 0);
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for (ci = pic->ci; ci != pic->cibase; --ci) {
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struct pic_proc *proc = pic_proc_ptr(ci->fp[0]);
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trace = pic_strcat(pic, trace, pic_str_new_cstr(pic, " at "));
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trace = pic_strcat(pic, trace, pic_str_new_cstr(pic, pic_symbol_name(pic, pic_proc_name(proc))));
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if (pic_proc_func_p(proc)) {
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trace = pic_strcat(pic, trace, pic_str_new_cstr(pic, " (native function)\n"));
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} else if (pic_proc_irep_p(proc)) {
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trace = pic_strcat(pic, trace, pic_str_new_cstr(pic, " (unknown location)\n")); /* TODO */
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}
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}
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pic_gc_arena_restore(pic, ai);
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pic_gc_protect(pic, pic_obj_value(trace));
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return trace;
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}
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void
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pic_print_backtrace(pic_state *pic, struct pic_error *e)
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{
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int ai = pic_gc_arena_preserve(pic);
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pic_str *trace;
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assert(pic->err != NULL);
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assert(pic->err != NULL);
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trace = pic_str_new(pic, NULL, 0);
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trace = pic_str_new(pic, NULL, 0);
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switch (pic->err->type) {
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switch (e->type) {
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case PIC_ERROR_OTHER:
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case PIC_ERROR_OTHER:
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trace = pic_strcat(pic, trace, pic_str_new_cstr(pic, "error: "));
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trace = pic_strcat(pic, trace, pic_str_new_cstr(pic, "error: "));
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break;
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break;
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@ -33,25 +60,15 @@ pic_get_backtrace(pic_state *pic)
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break;
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break;
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}
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}
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trace = pic_strcat(pic, trace, pic->err->msg);
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trace = pic_strcat(pic, trace, e->msg);
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/* TODO: print error irritants */
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/* TODO: print error irritants */
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for (ci = pic->ci; ci != pic->cibase; --ci) {
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trace = pic_strcat(pic, trace, pic_str_new(pic, "\n", 1));
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struct pic_proc *proc = pic_proc_ptr(ci->fp[0]);
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trace = pic_strcat(pic, trace, pic_get_backtrace(pic));
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trace = pic_strcat(pic, trace, pic_str_new_cstr(pic, "\n at "));
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/* print! */
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trace = pic_strcat(pic, trace, pic_str_new_cstr(pic, pic_symbol_name(pic, pic_proc_name(proc))));
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printf("%s", pic_str_cstr(trace));
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if (pic_proc_func_p(proc)) {
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trace = pic_strcat(pic, trace, pic_str_new_cstr(pic, " (native function)"));
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} else if (pic_proc_irep_p(proc)) {
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trace = pic_strcat(pic, trace, pic_str_new_cstr(pic, " (unknown location)")); /* TODO */
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}
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}
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pic_gc_arena_restore(pic, ai);
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pic_gc_arena_restore(pic, ai);
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pic_gc_protect(pic, pic_obj_value(trace));
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return trace;
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}
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}
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@ -142,7 +142,7 @@ repl(pic_state *pic)
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}
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}
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}
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}
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pic_catch {
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pic_catch {
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printf("%s\n", pic_str_cstr(pic_get_backtrace(pic)));
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pic_print_backtrace(pic, pic->err);
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pic->err = NULL;
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pic->err = NULL;
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code[0] = '\0';
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code[0] = '\0';
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}
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}
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