JSWebAssemblyModule.h [plain text]
#pragma once
#if ENABLE(WEBASSEMBLY)
#include "JSDestructibleObject.h"
#include "JSObject.h"
#include "UnconditionalFinalizer.h"
#include "WasmModule.h"
#include <wtf/Bag.h>
#include <wtf/Vector.h>
namespace JSC {
namespace Wasm {
class Module;
class Plan;
}
class SymbolTable;
class JSWebAssemblyCodeBlock;
class JSWebAssemblyMemory;
class WebAssemblyToJSCallee;
class JSWebAssemblyModule : public JSDestructibleObject {
public:
typedef JSDestructibleObject Base;
DECLARE_EXPORT_INFO;
JS_EXPORT_PRIVATE static JSWebAssemblyModule* createStub(VM&, ExecState*, Structure*, Wasm::Module::ValidationResult&&);
static Structure* createStructure(VM&, JSGlobalObject*, JSValue);
const Wasm::ModuleInformation& moduleInformation() const { return m_module->moduleInformation(); }
SymbolTable* exportSymbolTable() const { return m_exportSymbolTable.get(); }
Wasm::SignatureIndex signatureIndexFromFunctionIndexSpace(unsigned functionIndexSpace) const
{
return m_module->signatureIndexFromFunctionIndexSpace(functionIndexSpace);
}
WebAssemblyToJSCallee* callee() const { return m_callee.get(); }
JSWebAssemblyCodeBlock* codeBlock(Wasm::MemoryMode mode) { return m_codeBlocks[static_cast<size_t>(mode)].get(); }
const Vector<uint8_t>& source() const;
Wasm::Module& module() { return m_module.get(); }
void setCodeBlock(VM&, Wasm::MemoryMode, JSWebAssemblyCodeBlock*);
private:
friend class JSWebAssemblyCodeBlock;
JSWebAssemblyModule(VM&, Structure*, Ref<Wasm::Module>&&);
void finishCreation(VM&);
static void destroy(JSCell*);
static void visitChildren(JSCell*, SlotVisitor&);
Ref<Wasm::Module> m_module;
WriteBarrier<SymbolTable> m_exportSymbolTable;
WriteBarrier<JSWebAssemblyCodeBlock> m_codeBlocks[Wasm::NumberOfMemoryModes];
WriteBarrier<WebAssemblyToJSCallee> m_callee;
};
}
#endif // ENABLE(WEBASSEMBLY)