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exceptions.cc
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exceptions.cc
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <string>
#include <inttypes.h>
#include "libplatform/libplatform.h"
#include "v8.h"
extern void _v8_internal_Print_Object(void* object);
using namespace v8;
Isolate* isolate;
int age = 41;
void doit(const FunctionCallbackInfo<Value>& args) {
String::Utf8Value str(args.GetIsolate(), args[0]);
printf("doit argument = %s...\n", *str);
args.GetReturnValue().Set(String::NewFromUtf8(args.GetIsolate(), "done", NewStringType::kNormal).ToLocalChecked());
}
void ageGetter(Local<String> property, const PropertyCallbackInfo<Value>& info) {
info.GetReturnValue().Set(age);
}
void ageSetter(Local<String> property, Local<Value> value, const PropertyCallbackInfo<void>& info) {
age = value->Int32Value(info.GetIsolate()->GetCurrentContext()).FromJust();
}
void propertyListener(Local<String> name, const PropertyCallbackInfo<Value>& info) {
String::Utf8Value utf8_value(info.GetIsolate(), name);
std::string key = std::string(*utf8_value);
printf("ageListener called for nam %s.\n", key.c_str());
}
static void OnMessage(Local<Message> message, Local<Value> error) {
printf("OnMessage message: \n");
printf("LineNumber: %d\n",
message->GetLineNumber(isolate->GetCurrentContext()).FromJust());
printf("StartPosistion: %d\n", message->GetStartPosition());
printf("ErrorLevel: %d\n", message->ErrorLevel());
message->PrintCurrentStackTrace(isolate, stdout);
printf("\nOnMessage error: ");
_v8_internal_Print_Object(*error);
printf("Length: %s\n", *String::Utf8Value(isolate, error));
printf("\n");
}
static void OnFatalError(const char* location, const char* message) {
printf("OnFatalError...%s : %s\n", location, message);
//exit(1);
}
int main(int argc, char* argv[]) {
V8::InitializeExternalStartupData(argv[0]);
std::unique_ptr<Platform> platform = platform::NewDefaultPlatform();
V8::InitializePlatform(platform.get());
V8::Initialize();
Isolate::CreateParams create_params;
create_params.array_buffer_allocator = v8::ArrayBuffer::Allocator::NewDefaultAllocator();
isolate = Isolate::New(create_params);
{
isolate->AddMessageListener(OnMessage);
isolate->SetFatalErrorHandler(OnFatalError);
Isolate::Scope isolate_scope(isolate);
TryCatch try_catch(isolate);
try_catch.SetVerbose(true);
HandleScope handle_scope(isolate);
Local<ObjectTemplate> global = ObjectTemplate::New(isolate);
Local<Context> context = Context::New(isolate, NULL, global);
Context::Scope context_scope(context);
const char *js = "age = ajj40";
Local<String> source = String::NewFromUtf8(isolate, js, NewStringType::kNormal).ToLocalChecked();
Local<Script> script = Script::Compile(context, source).ToLocalChecked();
//Local<Value> result = script->Run(context).ToLocalChecked();
MaybeLocal<Value> result = script->Run(context);
if (try_catch.HasCaught()) {
printf("Caught: %s\n", *String::Utf8Value(isolate, try_catch.Exception()));
//Local<Value> stack = try_catch.StackTrace(context).ToLocalChecked();
//printf("StackFrames: %d\n", *(stack)->GetFrameCount());
}
//String::Utf8Value utf8(result);
//printf("%s\n", *utf8);
}
// Dispose the isolate and tear down V8.
isolate->Dispose();
V8::Dispose();
V8::ShutdownPlatform();
return 0;
}