static void
tp_call_trace(VALUE tpval, rb_trace_arg_t *trace_arg)
{
rb_tp_t *tp = tpptr(tpval);
if (tp->func) {
(*tp->func)(tpval, tp->data);
}
else {
rb_proc_call_with_block((VALUE)tp->proc, 1, &tpval, Qnil);
}
}
/*
* call-seq:
* trace.disable -> true or false
* trace.disable { block } -> obj
*
* Deactivates the trace
*
* Return true if trace was enabled.
* Return false if trace was disabled.
*
* trace.enabled? #=> true
* trace.disable #=> false (previous status)
* trace.enabled? #=> false
* trace.disable #=> false
*
* If a block is given, the trace will only be disable within the scope of the
* block.
*
* trace.enabled?
* #=> true
*
* trace.disable do
* trace.enabled?
* # only disabled for this block
* end
*
* trace.enabled?
* #=> true
*
* Note: You cannot access event hooks within the block.
*
* trace.disable { p tp.lineno }
* #=> RuntimeError: access from outside
*/
static VALUE
tracepoint_disable_m(VALUE tpval)
{
rb_tp_t *tp = tpptr(tpval);
int previous_tracing = tp->tracing;
rb_tracepoint_disable(tpval);
if (rb_block_given_p()) {
return rb_ensure(rb_yield, Qnil,
previous_tracing ? rb_tracepoint_enable : rb_tracepoint_disable,
tpval);
}
else {
return previous_tracing ? Qtrue : Qfalse;
}
}
VALUE
rb_tracepoint_disable(VALUE tpval)
{
rb_tp_t *tp;
tp = tpptr(tpval);
if (tp->target_th) {
rb_thread_remove_event_hook_with_data(tp->target_th->self, (rb_event_hook_func_t)tp_call_trace, tpval);
}
else {
rb_remove_event_hook_with_data((rb_event_hook_func_t)tp_call_trace, tpval);
}
tp->tracing = 0;
return Qundef;
}
static VALUE
tracepoint_inspect(VALUE self)
{
rb_tp_t *tp = tpptr(self);
rb_trace_arg_t *trace_arg = GET_THREAD()->trace_arg;
if (trace_arg) {
switch (trace_arg->event) {
case RUBY_EVENT_LINE:
case RUBY_EVENT_SPECIFIED_LINE:
{
VALUE sym = rb_tracearg_method_id(trace_arg);
if (NIL_P(sym))
goto default_inspect;
return rb_sprintf("#<TracePoint:%"PRIsVALUE"@%"PRIsVALUE":%d in `%"PRIsVALUE"'>",
rb_tracearg_event(trace_arg),
rb_tracearg_path(trace_arg),
FIX2INT(rb_tracearg_lineno(trace_arg)),
sym);
}
case RUBY_EVENT_CALL:
case RUBY_EVENT_C_CALL:
case RUBY_EVENT_RETURN:
case RUBY_EVENT_C_RETURN:
return rb_sprintf("#<TracePoint:%"PRIsVALUE" `%"PRIsVALUE"'@%"PRIsVALUE":%d>",
rb_tracearg_event(trace_arg),
rb_tracearg_method_id(trace_arg),
rb_tracearg_path(trace_arg),
FIX2INT(rb_tracearg_lineno(trace_arg)));
case RUBY_EVENT_THREAD_BEGIN:
case RUBY_EVENT_THREAD_END:
return rb_sprintf("#<TracePoint:%"PRIsVALUE" %"PRIsVALUE">",
rb_tracearg_event(trace_arg),
rb_tracearg_self(trace_arg));
default:
default_inspect:
return rb_sprintf("#<TracePoint:%"PRIsVALUE"@%"PRIsVALUE":%d>",
rb_tracearg_event(trace_arg),
rb_tracearg_path(trace_arg),
FIX2INT(rb_tracearg_lineno(trace_arg)));
}
}
else {
return rb_sprintf("#<TracePoint:%s>", tp->tracing ? "enabled" : "disabled");
}
}
VALUE
rb_tracepoint_enable(VALUE tpval)
{
rb_tp_t *tp;
tp = tpptr(tpval);
if (tp->target_th) {
rb_thread_add_event_hook2(tp->target_th->self, (rb_event_hook_func_t)tp_call_trace, tp->events, tpval,
RUBY_EVENT_HOOK_FLAG_SAFE | RUBY_EVENT_HOOK_FLAG_RAW_ARG);
}
else {
rb_add_event_hook2((rb_event_hook_func_t)tp_call_trace, tp->events, tpval,
RUBY_EVENT_HOOK_FLAG_SAFE | RUBY_EVENT_HOOK_FLAG_RAW_ARG);
}
tp->tracing = 1;
return Qundef;
}
/*
* call-seq:
* trace.enabled? -> true or false
*
* The current status of the trace
*/
VALUE
rb_tracepoint_enabled_p(VALUE tpval)
{
rb_tp_t *tp = tpptr(tpval);
return tp->tracing ? Qtrue : Qfalse;
}