Module: Byebug

Defined in:
ext/byebug/byebug.c

Defined Under Namespace

Classes: Breakpoint

Class Method Summary collapse

Class Method Details

._start ⇒ Object 



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# File 'ext/byebug/byebug.c', line 384

static VALUE
Byebug_start(VALUE self)
{
    VALUE result;

    if (BYEBUG_STARTED)
        result = Qfalse;
    else
    {
        Byebug_setup_tracepoints(self);
        result = Qtrue;
    }

    if (rb_block_given_p())
      rb_ensure(rb_yield, self, Byebug_stop, self);

    return result;
}

.add_catchpoint(value) ⇒ Object 



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# File 'ext/byebug/byebug.c', line 524

static VALUE
Byebug_add_catchpoint(VALUE self, VALUE value)
{
  if (TYPE(value) != T_STRING)
    rb_raise(rb_eTypeError, "value of a catchpoint must be String");

  rb_hash_aset(catchpoints, rb_str_dup(value), INT2FIX(0));
  return value;
}

.breakpoints ⇒ Object 



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# File 'ext/byebug/byebug.c', line 510

static VALUE
Byebug_breakpoints(VALUE self)
{
  return breakpoints;
}

.catchpoints ⇒ Object 



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# File 'ext/byebug/byebug.c', line 516

static VALUE
Byebug_catchpoints(VALUE self)
{
  if (catchpoints == Qnil)
    rb_raise(rb_eRuntimeError, "Byebug.start is not called yet.");
  return catchpoints;
}

.context ⇒ Object 



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# File 'ext/byebug/byebug.c', line 54

static VALUE
Byebug_context(VALUE self)
{
  if (context == Qnil) {
    context = Context_create();
  }
  return context;
}

.debug_at_exit ⇒ Object 



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# File 'ext/byebug/byebug.c', line 474

static VALUE
Byebug_at_exit(VALUE self)
{
  VALUE proc;
  if (!rb_block_given_p()) rb_raise(rb_eArgError, "called without a block");
  proc = rb_block_proc();
  rb_set_end_proc(debug_at_exit_i, proc);
  return proc;
}

.debug_load(*args) ⇒ Object 



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# File 'ext/byebug/byebug.c', line 418

static VALUE
Byebug_load(int argc, VALUE *argv, VALUE self)
{
    VALUE file, stop, context_object;
    debug_context_t *context;
    int state = 0;

    if (rb_scan_args(argc, argv, "11", &file, &stop) == 1)
    {
        stop = Qfalse;
    }

    Byebug_start(self);

    context_object = Byebug_context(self);
    Data_Get_Struct(context_object, debug_context_t, context);
    context->stack_size = 0;
    if (RTEST(stop)) context->steps = 1;

    /* Initializing $0 to the script's path */
    ruby_script(RSTRING_PTR(file));
    rb_load_protect(file, 0, &state);
    if (0 != state)
    {
        VALUE errinfo = rb_errinfo();
        //debug_suspend(self);
        reset_stepping_stop_points(context);
        rb_set_errinfo(Qnil);
        return errinfo;
    }

    /* We should run all at_exit handler's in order to provide, for instance, a
     * chance to run all defined test cases */
    rb_exec_end_proc();

    return Qnil;
}

.post_mortem=(value) ⇒ Object 



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# File 'ext/byebug/byebug.c', line 503

static VALUE
Byebug_set_post_mortem(VALUE self, VALUE value)
{
  post_mortem = RTEST(value) ? Qtrue : Qfalse;
  return value;
}

.post_mortem? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'ext/byebug/byebug.c', line 497

static VALUE
Byebug_post_mortem(VALUE self)
{
  return post_mortem;
}

.remove_tracepoints ⇒ Object 



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# File 'ext/byebug/byebug.c', line 332

static VALUE
Byebug_remove_tracepoints(VALUE self)
{
  context = Qnil;
  breakpoints = Qnil;
  catchpoints = Qnil;

  if (tpLine != Qnil) {
    rb_tracepoint_disable(tpLine);
    tpLine = Qnil;
  }
  if (tpCall != Qnil) {
    rb_tracepoint_disable(tpCall);
    tpCall = Qnil;
  }
  if (tpCCall != Qnil) {
    rb_tracepoint_disable(tpCCall);
    tpCCall = Qnil;
  }
  if (tpReturn != Qnil) {
    rb_tracepoint_disable(tpReturn);
    tpReturn = Qnil;
  }
  if (tpCReturn != Qnil) {
    rb_tracepoint_disable(tpCReturn);
    tpCReturn = Qnil;
  }
  if (tpRaise != Qnil) {
    rb_tracepoint_disable(tpRaise);
    tpRaise = Qnil;
  }
  return Qnil;
}

.setup_tracepoints ⇒ Object 



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# File 'ext/byebug/byebug.c', line 290

static VALUE
Byebug_setup_tracepoints(VALUE self)
{
  if (catchpoints != Qnil) return Qnil;

  breakpoints = rb_ary_new();
  catchpoints = rb_hash_new();

  tpLine = rb_tracepoint_new(Qnil,
    RUBY_EVENT_LINE,
    process_line_event, NULL);

  tpCall = rb_tracepoint_new(Qnil,
    RUBY_EVENT_CALL | RUBY_EVENT_B_CALL | RUBY_EVENT_CLASS,
    process_call_event, NULL);

  tpCCall = rb_tracepoint_new(Qnil,
    RUBY_EVENT_C_CALL,
    process_c_call_event, NULL);

  tpReturn = rb_tracepoint_new(Qnil,
    RUBY_EVENT_RETURN | RUBY_EVENT_B_RETURN | RUBY_EVENT_END,
    process_return_event, NULL);

  tpCReturn = rb_tracepoint_new(Qnil,
    RUBY_EVENT_C_RETURN,
    process_c_return_event, NULL);

  tpRaise = rb_tracepoint_new(Qnil,
    RUBY_EVENT_RAISE,
    process_raise_event, NULL);

  rb_tracepoint_enable(tpLine);
  rb_tracepoint_enable(tpCall);
  rb_tracepoint_enable(tpCCall);
  rb_tracepoint_enable(tpReturn);
  rb_tracepoint_enable(tpCReturn);
  rb_tracepoint_enable(tpRaise);

  return Qnil;
}

.started? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'ext/byebug/byebug.c', line 367

static VALUE
Byebug_started(VALUE self)
{
  return BYEBUG_STARTED;
}

.tracing=(value) ⇒ Object 



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# File 'ext/byebug/byebug.c', line 490

static VALUE
Byebug_set_tracing(VALUE self, VALUE value)
{
  tracing = RTEST(value) ? Qtrue : Qfalse;
  return value;
}

.tracing? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'ext/byebug/byebug.c', line 484

static VALUE
Byebug_tracing(VALUE self)
{
  return tracing;
}