diff options
Diffstat (limited to 'vm_trace.c')
| -rw-r--r-- | vm_trace.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/vm_trace.c b/vm_trace.c index bae4649cf7..10ee1ca18e 100644 --- a/vm_trace.c +++ b/vm_trace.c @@ -805,6 +805,45 @@ fill_id_and_klass(rb_trace_arg_t *trace_arg) } VALUE +rb_tracearg_parameters(rb_trace_arg_t *trace_arg) +{ + switch(trace_arg->event) { + case RUBY_EVENT_CALL: + case RUBY_EVENT_RETURN: + case RUBY_EVENT_B_CALL: + case RUBY_EVENT_B_RETURN: { + const rb_control_frame_t *cfp = rb_vm_get_ruby_level_next_cfp(trace_arg->ec, trace_arg->cfp); + if (cfp) { + int is_proc = 0; + if (VM_FRAME_TYPE(cfp) == VM_FRAME_MAGIC_BLOCK && !VM_FRAME_LAMBDA_P(cfp)) { + is_proc = 1; + } + return rb_iseq_parameters(cfp->iseq, is_proc); + } + break; + } + case RUBY_EVENT_C_CALL: + case RUBY_EVENT_C_RETURN: { + fill_id_and_klass(trace_arg); + if (trace_arg->klass && trace_arg->id) { + const rb_method_entry_t *me; + VALUE iclass = Qnil; + me = rb_method_entry_without_refinements(trace_arg->klass, trace_arg->id, &iclass); + return rb_unnamed_parameters(rb_method_entry_arity(me)); + } + break; + } + case RUBY_EVENT_RAISE: + case RUBY_EVENT_LINE: + case RUBY_EVENT_CLASS: + case RUBY_EVENT_END: + rb_raise(rb_eRuntimeError, "not supported by this event"); + break; + } + return Qnil; +} + +VALUE rb_tracearg_method_id(rb_trace_arg_t *trace_arg) { fill_id_and_klass(trace_arg); @@ -920,6 +959,15 @@ tracepoint_attr_path(VALUE tpval) } /* + * Return the parameters of the method or block that the current hook belongs to + */ +static VALUE +tracepoint_attr_parameters(VALUE tpval) +{ + return rb_tracearg_parameters(get_trace_arg()); +} + +/* * Return the name at the definition of the method being called */ static VALUE @@ -1502,6 +1550,7 @@ Init_vm_trace(void) rb_define_method(rb_cTracePoint, "event", tracepoint_attr_event, 0); rb_define_method(rb_cTracePoint, "lineno", tracepoint_attr_lineno, 0); rb_define_method(rb_cTracePoint, "path", tracepoint_attr_path, 0); + rb_define_method(rb_cTracePoint, "parameters", tracepoint_attr_parameters, 0); rb_define_method(rb_cTracePoint, "method_id", tracepoint_attr_method_id, 0); rb_define_method(rb_cTracePoint, "callee_id", tracepoint_attr_callee_id, 0); rb_define_method(rb_cTracePoint, "defined_class", tracepoint_attr_defined_class, 0); |