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#include <stdio.h>
#include <stdlib.h>
#include "napi.h"
#include "string.h"
using namespace Napi;
Value createScope(const CallbackInfo& info) {
{
HandleScope scope(info.Env());
String::New(info.Env(), "inner-scope");
}
return String::New(info.Env(), "scope");
}
Value createScopeFromExisting(const CallbackInfo& info) {
{
napi_handle_scope scope;
napi_open_handle_scope(info.Env(), &scope);
HandleScope scope_existing(info.Env(), scope);
String::New(scope_existing.Env(), "inner-existing-scope");
}
return String::New(info.Env(), "existing_scope");
}
Value escapeFromScope(const CallbackInfo& info) {
Value result;
{
EscapableHandleScope scope(info.Env());
result = scope.Escape(String::New(info.Env(), "inner-scope"));
}
return result;
}
Value escapeFromExistingScope(const CallbackInfo& info) {
Value result;
{
napi_escapable_handle_scope scope;
napi_open_escapable_handle_scope(info.Env(), &scope);
EscapableHandleScope scope_existing(info.Env(), scope);
result = scope_existing.Escape(
String::New(scope_existing.Env(), "inner-existing-scope"));
}
return result;
}
#define LOOP_MAX 1000000
Value stressEscapeFromScope(const CallbackInfo& info) {
Value result;
for (int i = 0; i < LOOP_MAX; i++) {
EscapableHandleScope scope(info.Env());
char buffer[128];
snprintf(buffer, 128, "%d", i);
std::string name = std::string("inner-scope") + std::string(buffer);
Value newValue = String::New(info.Env(), name.c_str());
if (i == (LOOP_MAX - 1)) {
result = scope.Escape(newValue);
}
}
return result;
}
Value doubleEscapeFromScope(const CallbackInfo& info) {
Value result;
{
EscapableHandleScope scope(info.Env());
result = scope.Escape(String::New(info.Env(), "inner-scope"));
result = scope.Escape(String::New(info.Env(), "inner-scope"));
}
return result;
}
Object InitHandleScope(Env env) {
Object exports = Object::New(env);
exports["createScope"] = Function::New(env, createScope);
exports["createScopeFromExisting"] =
Function::New(env, createScopeFromExisting);
exports["escapeFromScope"] = Function::New(env, escapeFromScope);
exports["escapeFromExistingScope"] =
Function::New(env, escapeFromExistingScope);
exports["stressEscapeFromScope"] = Function::New(env, stressEscapeFromScope);
exports["doubleEscapeFromScope"] = Function::New(env, doubleEscapeFromScope);
return exports;
}
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