[inspector] support for nested scheduled breaks

test/inspector/inspector-test.cc

Index: test/inspector/inspector-test.cc
diff --git a/test/inspector/inspector-test.cc b/test/inspector/inspector-test.cc
index 841be28f043fcf6fbc60f04830896c1c332aa215..b3dbcb4f52a9cd05733236a0f83dffa46a742f0f 100644
--- a/test/inspector/inspector-test.cc
+++ b/test/inspector/inspector-test.cc
@@ -335,7 +335,8 @@ class InspectorExtension : public v8::Extension {
                       "native function detachInspector();"
                       "native function setMaxAsyncTaskStacks();"
                       "native function breakProgram();"
-                      "native function createObjectWithStrictCheck();") {}
+                      "native function createObjectWithStrictCheck();"
+                      "native function callWithScheduledBreak();") {}
 
   virtual v8::Local<v8::FunctionTemplate> GetNativeFunctionTemplate(
       v8::Isolate* isolate, v8::Local<v8::String> name) {
@@ -373,6 +374,13 @@ class InspectorExtension : public v8::Extension {
                    .FromJust()) {
       return v8::FunctionTemplate::New(
           isolate, InspectorExtension::CreateObjectWithStrictCheck);
+    } else if (name->Equals(context, v8::String::NewFromUtf8(
+                                         isolate, "callWithScheduledBreak",
+                                         v8::NewStringType::kNormal)
+                                         .ToLocalChecked())
+                   .FromJust()) {
+      return v8::FunctionTemplate::New(
+          isolate, InspectorExtension::CallWithScheduledBreak);
     }
     return v8::Local<v8::FunctionTemplate>();
   }
@@ -447,6 +455,30 @@ class InspectorExtension : public v8::Extension {
         templ->NewInstance(args.GetIsolate()->GetCurrentContext())
             .ToLocalChecked());
   }
+
+  static void CallWithScheduledBreak(
+      const v8::FunctionCallbackInfo<v8::Value>& args) {
+    if (args.Length() != 3 || !args[0]->IsFunction() || !args[1]->IsString() ||
+        !args[2]->IsString()) {
+      fprintf(stderr, "Internal error: breakProgram('reason', 'details').");
+      Exit();
+    }
+    v8_inspector::V8InspectorSession* session =
+        InspectorClientImpl::SessionFromContext(
+            args.GetIsolate()->GetCurrentContext());
+    CHECK(session);
+
+    v8::internal::Vector<uint16_t> reason = ToVector(args[1].As<v8::String>());
+    v8_inspector::StringView reason_view(reason.start(), reason.length());
+    v8::internal::Vector<uint16_t> details = ToVector(args[2].As<v8::String>());
+    v8_inspector::StringView details_view(details.start(), details.length());
+    session->schedulePauseOnNextStatement(reason_view, details_view);
+    v8::Local<v8::Context> context = args.GetIsolate()->GetCurrentContext();
+    v8::MaybeLocal<v8::Value> result;
+    result = args[0].As<v8::Function>()->Call(context, context->Global(), 0,
+                                              nullptr);
+    session->cancelPauseOnNextStatement();
+  }
 };
 
 v8::Local<v8::String> ToString(v8::Isolate* isolate,