Make TP#return_value return the value of the ivar set

st0012 · st0012 · commit d77b0903dd2a · 2025-06-05T22:30:51.000+01:00
diff --git a/vm_trace.c b/vm_trace.c
@@ -1020,6 +1020,10 @@ rb_tracearg_return_value(rb_trace_arg_t *trace_arg)
     if (trace_arg->event & (RUBY_EVENT_RETURN | RUBY_EVENT_C_RETURN | RUBY_EVENT_B_RETURN)) {
         /* ok */
     }
+    else if (trace_arg->event == RUBY_EVENT_IVAR_SET) {
+        VALUE pair = trace_arg->data;
+        return RARRAY_AREF(pair, 1);
+    }
     else {
         rb_raise(rb_eRuntimeError, "not supported by this event");
     }

Original file line number	Diff line number	Diff line change
`@@ -1020,6 +1020,10 @@ rb_tracearg_return_value(rb_trace_arg_t *trace_arg)`
`1020`	`1020`	`if (trace_arg->event & (RUBY_EVENT_RETURN \| RUBY_EVENT_C_RETURN \| RUBY_EVENT_B_RETURN)) {`
`1021`	`1021`	`/* ok */`
`1022`	`1022`	`}`
	`1023`	`+ else if (trace_arg->event == RUBY_EVENT_IVAR_SET) {`
	`1024`	`+ VALUE pair = trace_arg->data;`
	`1025`	`+ return RARRAY_AREF(pair, 1);`
	`1026`	`+ }`
`1023`	`1027`	`else {`
`1024`	`1028`	`rb_raise(rb_eRuntimeError, "not supported by this event");`
`1025`	`1029`	`}`