I have some v8 Code which tries to Parse JSON I get a SIGSEGV once in a
while when I try to access the value. I am very confused about what is
happening.
Any help would be greatly appreciated.
The code to Parse JSON is
v8::Handle<v8::Value> FromJSONString(
v8::Handle<v8::Value> json_string) {
v8::HandleScope scope;
v8::Handle<v8::Context> context = v8::Context::GetCurrent();
v8::Handle<v8::Object> global = context->Global();
v8::Handle<v8::Value> JSON_value = global->Get(v8::String::New("JSON"));
if (!IsObject(JSON_value)) {
return scope.Close(v8::Undefined());
}
v8::Handle<v8::Object> JSON = JSON_value->ToObject();
v8::Handle<v8::Value> JSON_parse_value =
JSON->Get(v8::String::New("parse"));
if (JSON_parse_value.IsEmpty() || JSON_parse_value->IsNull() ||
JSON_parse_value->IsUndefined() ||!JSON_parse_value->IsFunction()) {
return scope.Close(v8::Undefined());
}
v8::Handle<v8::Function> JSON_parse =
v8::Handle<v8::Function>::Cast(JSON_parse_value);
return scope.Close(JSON_parse->Call(JSON, 1, &json_string));
}
And the code which calls this is at => For some reason accessing Value
results in a SIGSEGV.
bool extractSource(std::string* source, std::string& body) {
v8::HandleScope scope; // this is needed and clears the memory
if (body.empty()) {
return false;
}
v8::Handle<v8::Value> value = v8_server_utils::FromJSONString(body);
if (value->IsEmpty()) { // CRASHES HERE.
return false;
}
if (value->IsNull()) {
return false;
}
if (value->IsUndefined()) {
return false;
}
if (!value->IsObject()) {
return false;
}
auto object = value->ToObject();
auto source_key = v8::String::New("source");
if (object.IsEmpty() || object->IsNull() || object->IsUndefined() ||
!object->Has(source_key)) {
return false;
}
auto source_obj = object->Get(source_key);
*source = v8_server_utils::JSStringToCString(source_obj->ToString());
return true;
}
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