react-native/ReactCommon/bridge/JSCHelpers.h

47 lines
1.0 KiB
C++

// Copyright 2004-present Facebook. All Rights Reserved.
#pragma once
#include <JavaScriptCore/JSContextRef.h>
#include <JavaScriptCore/JSObjectRef.h>
#include <JavaScriptCore/JSValueRef.h>
#include <stdexcept>
#include <algorithm>
namespace facebook {
namespace react {
struct JsException : std::runtime_error {
using std::runtime_error::runtime_error;
};
inline void throwJSExecutionException(const char* msg) {
throw JsException(msg);
}
template <typename... Args>
inline void throwJSExecutionException(const char* fmt, Args... args) {
int msgSize = snprintf(nullptr, 0, fmt, args...);
msgSize = std::min(512, msgSize + 1);
char *msg = (char*) alloca(msgSize);
snprintf(msg, msgSize, fmt, args...);
throw JsException(msg);
}
void installGlobalFunction(
JSGlobalContextRef ctx,
const char* name,
JSObjectCallAsFunctionCallback callback);
JSValueRef makeJSCException(
JSContextRef ctx,
const char* exception_text);
JSValueRef evaluateScript(
JSContextRef ctx,
JSStringRef script,
JSStringRef sourceURL);
} }