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Begin adding WebCore classes to bun

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Jarred Sumner
2022-03-27 22:37:55 -07:00
parent 4bf5dc1df9
commit ed4f4ae4e2
123 changed files with 12708 additions and 1005 deletions
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82
src/javascript/jsc/bindings/JSDOMGlobalObject.cpp Normal file
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#include "JSDOMGlobalObject.h"
#include "JavaScriptCore/JSCast.h"
#include "ZigGlobalObject.h"
namespace WebCore {
// static JSDOMGlobalObject& callerGlobalObject(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame* callFrame, bool skipFirstFrame, bool lookUpFromVMEntryScope)
// {
// VM& vm = lexicalGlobalObject.vm();
// if (callFrame) {
// class GetCallerGlobalObjectFunctor {
// public:
// GetCallerGlobalObjectFunctor(bool skipFirstFrame)
// : m_skipFirstFrame(skipFirstFrame)
// {
// }
// StackVisitor::Status operator()(StackVisitor& visitor) const
// {
// if (m_skipFirstFrame) {
// if (!m_hasSkippedFirstFrame) {
// m_hasSkippedFirstFrame = true;
// return StackVisitor::Continue;
// }
// }
// if (auto* codeBlock = visitor->codeBlock())
// m_globalObject = codeBlock->globalObject();
// else {
// ASSERT(visitor->callee().rawPtr());
// // FIXME: Callee is not an object if the caller is Web Assembly.
// // Figure out what to do here. We can probably get the global object
// // from the top-most Wasm Instance. https://bugs.webkit.org/show_bug.cgi?id=165721
// if (visitor->callee().isCell() && visitor->callee().asCell()->isObject())
// m_globalObject = jsCast<JSObject*>(visitor->callee().asCell())->globalObject();
// }
// return StackVisitor::Done;
// }
// JSC::JSGlobalObject* globalObject() const { return m_globalObject; }
// private:
// bool m_skipFirstFrame { false };
// mutable bool m_hasSkippedFirstFrame { false };
// mutable JSC::JSGlobalObject* m_globalObject { nullptr };
// };
// GetCallerGlobalObjectFunctor iter(skipFirstFrame);
// callFrame->iterate(vm, iter);
// if (iter.globalObject())
// return *jsCast<JSDOMGlobalObject*>(iter.globalObject());
// }
// // In the case of legacyActiveGlobalObjectForAccessor, it is possible that vm.topCallFrame is nullptr when the script is evaluated as JSONP.
// // Since we put JSGlobalObject to VMEntryScope, we can retrieve the right globalObject from that.
// // For callerGlobalObject, we do not check vm.entryScope to keep it the old behavior.
// if (lookUpFromVMEntryScope) {
// if (vm.entryScope) {
// if (auto* result = vm.entryScope->globalObject())
// return *jsCast<JSDOMGlobalObject*>(result);
// }
// }
// // If we cannot find JSGlobalObject in caller frames, we just return the current lexicalGlobalObject.
// return *jsCast<JSDOMGlobalObject*>(&lexicalGlobalObject);
// }
// JSDOMGlobalObject& callerGlobalObject(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame* callFrame)
// {
// constexpr bool skipFirstFrame = true;
// constexpr bool lookUpFromVMEntryScope = false;
// return callerGlobalObject(lexicalGlobalObject, callFrame, skipFirstFrame, lookUpFromVMEntryScope);
// }
// JSDOMGlobalObject& legacyActiveGlobalObjectForAccessor(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame* callFrame)
// {
// constexpr bool skipFirstFrame = false;
// constexpr bool lookUpFromVMEntryScope = true;
// return callerGlobalObject(lexicalGlobalObject, callFrame, skipFirstFrame, lookUpFromVMEntryScope);
// }
}