[GR-27551] Dummy implementation of some methods of V8 profiling API.

PullRequest: js/1986

Author: iamstolis

graal-nodejs/deps/v8/src/graal/v8.cc

@@ -452,7 +452,25 @@ namespace v8 {
         return nullptr;
     }
 
+    SnapshotObjectId HeapProfiler::GetHeapStats(OutputStream* stream, int64_t* timestamp_us) {
+        TRACE
+        stream->WriteAsciiChunk(nullptr, 0);
+        stream->EndOfStream();
+        return 0;
+    }
+
+    SnapshotObjectId HeapProfiler::GetObjectId(Local<Value> value) {
+        TRACE
+        return kUnknownObjectId;
+    }
+
+    void HeapProfiler::StopTrackingHeapObjects() {
+        TRACE
+    }
+
     void HeapSnapshot::Serialize(OutputStream* stream, SerializationFormat format) const {
+        stream->WriteAsciiChunk("\"unsupported\"", 13);
+        stream->EndOfStream();
         TRACE
     }
 
@@ -470,6 +488,11 @@ namespace v8 {
         return nullptr;
     }
 
+    SnapshotObjectId HeapSnapshot::GetMaxSnapshotJSObjectId() const {
+        TRACE
+        return 0;
+    }
+
     SnapshotObjectId HeapGraphNode::GetId() const {
         TRACE
         return 0;
@@ -490,6 +513,11 @@ namespace v8 {
         return 0;
     }
 
+    Local<String> HeapGraphNode::GetName() const {
+        TRACE
+        return String::NewFromUtf8Literal(Isolate::GetCurrent(), "unknown");
+    }
+
     void Isolate::GetHeapStatistics(HeapStatistics* heap_statistics) {
         GraalIsolate* graal_isolate = reinterpret_cast<GraalIsolate*> (this);
         graal_isolate->ResetSharedBuffer();
@@ -3261,6 +3289,11 @@ namespace v8 {
         TRACE
     }
 
+    int CpuProfile::GetSamplesCount() const {
+        TRACE
+        return 0;
+    }
+
     const CpuProfileNode* CpuProfile::GetTopDownRoot() const {
         TRACE
         return nullptr;
@@ -3301,6 +3334,26 @@ namespace v8 {
         return String::NewFromUtf8Literal(Isolate::GetCurrent(), "unknown");
     }
 
+    const char* CpuProfileNode::GetBailoutReason() const {
+        TRACE
+        return "unknown";
+    }
+
+    unsigned CpuProfileNode::GetNodeId() const {
+        TRACE
+        return 0;
+    }
+
+    unsigned int CpuProfileNode::GetHitLineCount() const {
+        TRACE
+        return 0;
+    }
+
+    bool CpuProfileNode::GetLineTicks(LineTick* entries, unsigned int length) const {
+        TRACE
+        return false;
+    }
+
     SnapshotCreator::SnapshotCreator(Isolate* isolate, const intptr_t* external_references, StartupData* existing_blob) {
         TRACE
     }