56 lines
1.8 KiB
C++
56 lines
1.8 KiB
C++
// Copyright 2004-present Facebook. All Rights Reserved.
|
|
|
|
#include "JSCHelpers.h"
|
|
|
|
#include <JavaScriptCore/JSStringRef.h>
|
|
#include <glog/logging.h>
|
|
|
|
#include "Value.h"
|
|
|
|
namespace facebook {
|
|
namespace react {
|
|
|
|
void installGlobalFunction(
|
|
JSGlobalContextRef ctx,
|
|
const char* name,
|
|
JSObjectCallAsFunctionCallback callback) {
|
|
JSStringRef jsName = JSStringCreateWithUTF8CString(name);
|
|
JSObjectRef functionObj = JSObjectMakeFunctionWithCallback(
|
|
ctx, jsName, callback);
|
|
JSObjectRef globalObject = JSContextGetGlobalObject(ctx);
|
|
JSObjectSetProperty(ctx, globalObject, jsName, functionObj, 0, NULL);
|
|
JSStringRelease(jsName);
|
|
}
|
|
|
|
JSValueRef makeJSCException(
|
|
JSContextRef ctx,
|
|
const char* exception_text) {
|
|
JSStringRef message = JSStringCreateWithUTF8CString(exception_text);
|
|
JSValueRef exceptionString = JSValueMakeString(ctx, message);
|
|
JSStringRelease(message);
|
|
return JSValueToObject(ctx, exceptionString, NULL);
|
|
}
|
|
|
|
JSValueRef evaluateScript(JSContextRef context, JSStringRef script, JSStringRef source) {
|
|
JSValueRef exn, result;
|
|
result = JSEvaluateScript(context, script, NULL, source, 0, &exn);
|
|
if (result == nullptr) {
|
|
Value exception = Value(context, exn);
|
|
std::string exceptionText = exception.toString().str();
|
|
LOG(ERROR) << "Got JS Exception: " << exceptionText;
|
|
auto line = exception.asObject().getProperty("line");
|
|
|
|
std::ostringstream locationInfo;
|
|
std::string file = source != nullptr ? String::ref(source).str() : "";
|
|
locationInfo << "(" << (file.length() ? file : "<unknown file>");
|
|
if (line != nullptr && line.isNumber()) {
|
|
locationInfo << ":" << line.asInteger();
|
|
}
|
|
locationInfo << ")";
|
|
throwJSExecutionException("%s %s", exceptionText.c_str(), locationInfo.str().c_str());
|
|
}
|
|
return result;
|
|
}
|
|
|
|
} }
|