Class: Ruby::Coverage::Tracer

Inherits:
Object
  • Object
show all
Defined in:
ext/ruby/coverage/tracer.c

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Object 



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# File 'ext/ruby/coverage/tracer.c', line 148

static VALUE Ruby_Coverage_Tracer_initialize(VALUE self)
{
	struct Ruby_Coverage_Tracer *tracer;
	TypedData_Get_Struct(self, struct Ruby_Coverage_Tracer,
	                     &Ruby_Coverage_Tracer_type, tracer);

	RB_OBJ_WRITE(self, &tracer->callback, rb_block_proc());

	return self;
}

Instance Method Details

#start ⇒ Object 



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# File 'ext/ruby/coverage/tracer.c', line 292

static VALUE Ruby_Coverage_Tracer_start(VALUE self)
{
	#ifdef HAVE_RB_TRACEARG_INSTRUCTION_SEQUENCE
	rb_add_event_hook2(
		(rb_event_hook_func_t)Ruby_Coverage_Tracer_on_script_compiled,
		RUBY_EVENT_SCRIPT_COMPILED,
		self,
		RUBY_EVENT_HOOK_FLAG_SAFE | RUBY_EVENT_HOOK_FLAG_RAW_ARG
	);
	#else
	struct Ruby_Coverage_Tracer *tracer;
	TypedData_Get_Struct(self, struct Ruby_Coverage_Tracer, &Ruby_Coverage_Tracer_type, tracer);

	if (NIL_P(tracer->script_compiled_tracepoint)) {
		RB_OBJ_WRITE(self, &tracer->script_compiled_tracepoint,
			rb_tracepoint_new(Qnil, RUBY_EVENT_SCRIPT_COMPILED,
				Ruby_Coverage_Tracer_on_script_compiled, tracer));
	}

	rb_tracepoint_enable(tracer->script_compiled_tracepoint);
	#endif

	rb_add_event_hook2(
		(rb_event_hook_func_t)Ruby_Coverage_Tracer_on_line,
		RUBY_EVENT_LINE,
		self,
		RUBY_EVENT_HOOK_FLAG_SAFE | RUBY_EVENT_HOOK_FLAG_RAW_ARG
	);

	return self;
}

#stop ⇒ Object 



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# File 'ext/ruby/coverage/tracer.c', line 324

static VALUE Ruby_Coverage_Tracer_stop(VALUE self)
{
	struct Ruby_Coverage_Tracer *tracer;
	TypedData_Get_Struct(self, struct Ruby_Coverage_Tracer, &Ruby_Coverage_Tracer_type, tracer);

	#ifdef HAVE_RB_TRACEARG_INSTRUCTION_SEQUENCE
	rb_remove_event_hook_with_data((rb_event_hook_func_t)Ruby_Coverage_Tracer_on_script_compiled, self);
	#else
	if (!NIL_P(tracer->script_compiled_tracepoint)) {
		rb_tracepoint_disable(tracer->script_compiled_tracepoint);
	}
	#endif

	rb_remove_event_hook_with_data((rb_event_hook_func_t)Ruby_Coverage_Tracer_on_line, self);

	tracer->last_path_pointer = 0;
	RB_OBJ_WRITE(self, &tracer->last_counts, Qnil);

	return self;
}