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https://github.com/status-im/react-native.git
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156e5d9837
Summary: Introduces the inspector library supporting the Chrome Debugging Protocol for JavaScriptCore. Eventually this will mean that it is possible to attach the Chrome inspector directly to the JSC instance running on the device. This library doesn't define the actual transport but leaves that up to the platform layer. The main entry point (and the only exported header) is `Inspector.h`. This diff only introduces the basics supporting the `Schema` and `Inspector` domains meaning it doesn't have any features yet. These will come in following diffs. Reviewed By: michalgr Differential Revision: D4021490 fbshipit-source-id: 517fd9033051c11ba97d312b16382445ae85d3f3
119 lines
3.0 KiB
C++
119 lines
3.0 KiB
C++
// Copyright 2004-present Facebook. All Rights Reserved.
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#pragma once
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#include "Value.h"
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#include <JavaScriptCore/JSContextRef.h>
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#include <JavaScriptCore/JSObjectRef.h>
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#include <JavaScriptCore/JSValueRef.h>
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#include <stdexcept>
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#include <algorithm>
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#include <functional>
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namespace facebook {
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namespace react {
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inline void throwJSExecutionException(const char* msg) {
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throw JSException(msg);
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}
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template <typename... Args>
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inline void throwJSExecutionException(const char* fmt, Args... args) {
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int msgSize = snprintf(nullptr, 0, fmt, args...);
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msgSize = std::min(512, msgSize + 1);
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char *msg = (char*) alloca(msgSize);
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snprintf(msg, msgSize, fmt, args...);
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throw JSException(msg);
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}
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template <typename... Args>
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inline void throwJSExecutionExceptionWithStack(const char* msg, const char* stack) {
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throw JSException(msg, stack);
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}
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using JSFunction = std::function<JSValueRef(JSContextRef, JSObjectRef, size_t, const JSValueRef[])>;
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JSObjectRef makeFunction(
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JSContextRef ctx,
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const char* name,
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JSFunction function);
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void installGlobalFunction(
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JSGlobalContextRef ctx,
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const char* name,
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JSFunction function);
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JSObjectRef makeFunction(
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JSGlobalContextRef ctx,
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const char* name,
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JSObjectCallAsFunctionCallback callback);
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void installGlobalFunction(
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JSGlobalContextRef ctx,
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const char* name,
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JSObjectCallAsFunctionCallback callback);
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void installGlobalProxy(
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JSGlobalContextRef ctx,
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const char* name,
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JSObjectGetPropertyCallback callback);
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void removeGlobal(JSGlobalContextRef ctx, const char* name);
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JSValueRef makeJSCException(
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JSContextRef ctx,
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const char* exception_text);
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JSValueRef evaluateScript(
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JSContextRef ctx,
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JSStringRef script,
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JSStringRef sourceURL);
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#if WITH_FBJSCEXTENSIONS
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JSValueRef evaluateSourceCode(
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JSContextRef ctx,
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JSSourceCodeRef source,
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JSStringRef sourceURL);
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#endif
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void formatAndThrowJSException(
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JSContextRef ctx,
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JSValueRef exn,
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JSStringRef sourceURL);
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JSValueRef makeJSError(JSContextRef ctx, const char *error);
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JSValueRef translatePendingCppExceptionToJSError(JSContextRef ctx, const char *exceptionLocation);
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JSValueRef translatePendingCppExceptionToJSError(JSContextRef ctx, JSObjectRef jsFunctionCause);
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template<JSValueRef (method)(JSContextRef ctx,
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JSObjectRef function,
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JSObjectRef thisObject,
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size_t argumentCount,
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const JSValueRef arguments[],
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JSValueRef *exception)>
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inline JSObjectCallAsFunctionCallback exceptionWrapMethod() {
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struct funcWrapper {
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static JSValueRef call(
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JSContextRef ctx,
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JSObjectRef function,
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JSObjectRef thisObject,
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size_t argumentCount,
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const JSValueRef arguments[],
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JSValueRef *exception) {
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try {
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return (*method)(ctx, function, thisObject, argumentCount, arguments, exception);
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} catch (...) {
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*exception = translatePendingCppExceptionToJSError(ctx, function);
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return JSValueMakeUndefined(ctx);
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}
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}
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};
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return &funcWrapper::call;
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}
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} }
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