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'use strict';
require('v8').setFlagsFromString('--allow-natives-syntax');
// Extracted from v8/src/runtime/runtime.h
const methodNames = [
"Abort",
"AbortJS",
"AbortCSAAssert",
"ArraySpeciesProtector",
"ClearFunctionFeedback",
"ClearMegamorphicStubCache",
"CompleteInobjectSlackTracking",
"ConstructConsString",
"ConstructDouble",
"ConstructSlicedString",
"DebugPrint",
"DebugPrintPtr",
"DebugTrace",
"DebugTrackRetainingPath",
"DeoptimizeFunction",
"DeserializeWasmModule",
"DisallowCodegenFromStrings",
"DisallowWasmCodegen",
"DisassembleFunction",
"DynamicMapChecksEnabled",
"EnableCodeLoggingForTesting",
"EnsureFeedbackVectorForFunction",
"FreezeWasmLazyCompilation",
"GetCallable",
"GetInitializerFunction",
"GetOptimizationStatus",
"GetUndetectable",
"GetWasmExceptionId",
"GetWasmExceptionValues",
"GetWasmRecoveredTrapCount",
"GlobalPrint",
"HasDictionaryElements",
"HasDoubleElements",
"HasElementsInALargeObjectSpace",
"HasFastElements",
"HasFastProperties",
"HasFixedBigInt64Elements",
"HasFixedBigUint64Elements",
"HasFixedFloat32Elements",
"HasFixedFloat64Elements",
"HasFixedInt16Elements",
"HasFixedInt32Elements",
"HasFixedInt8Elements",
"HasFixedUint16Elements",
"HasFixedUint32Elements",
"HasFixedUint8ClampedElements",
"HasFixedUint8Elements",
"HasHoleyElements",
"HasObjectElements",
"HasPackedElements",
"HasSloppyArgumentsElements",
"HasSmiElements",
"HasSmiOrObjectElements",
"HaveSameMap",
"HeapObjectVerify",
"ICsAreEnabled",
"InYoungGeneration",
"IsAsmWasmCode",
"IsBeingInterpreted",
"IsConcurrentRecompilationSupported",
"IsLiftoffFunction",
"IsThreadInWasm",
"IsWasmCode",
"IsWasmTrapHandlerEnabled",
"RegexpHasBytecode",
"RegexpHasNativeCode",
"RegexpTypeTag",
"MapIteratorProtector",
"NeverOptimizeFunction",
"NotifyContextDisposed",
"OptimizeFunctionOnNextCall",
"OptimizeOsr",
"NewRegExpWithBacktrackLimit",
"PrepareFunctionForOptimization",
"PrintWithNameForAssert",
"RunningInSimulator",
"RuntimeEvaluateREPL",
"SerializeDeserializeNow",
"SerializeWasmModule",
"SetAllocationTimeout",
"SetForceSlowPath",
"SetIteratorProtector",
"SetWasmCompileControls",
"SetWasmInstantiateControls",
"SetWasmThreadsEnabled",
"SimulateNewspaceFull",
"StringIteratorProtector",
"SystemBreak",
"TraceEnter",
"TraceExit",
"TurbofanStaticAssert",
"UnblockConcurrentRecompilation",
"WasmGetNumberOfInstances",
"WasmNumCodeSpaces",
"WasmTierDownModule",
"WasmTierUpFunction",
"WasmTierUpModule",
"WasmTraceEnter",
"WasmTraceExit",
"WasmTraceMemory",
"DeoptimizeNow",
// Strings
"FlattenString",
"GetSubstitution",
"InternalizeString",
"StringAdd",
"StringBuilderConcat",
"StringCharCodeAt",
"StringEqual",
"StringEscapeQuotes",
"StringGreaterThan",
"StringGreaterThanOrEqual",
"StringIncludes",
"StringIndexOf",
"StringIndexOfUnchecked",
"StringLastIndexOf",
"StringLessThan",
"StringLessThanOrEqual",
"StringMaxLength",
"StringReplaceOneCharWithString",
"StringCompareSequence",
"StringSubstring",
"StringToArray",
"StringTrim",
];
let api = {};
for (const method of methodNames) {
api[method] = function wrappedBuiltin(...args) {
if (!api[method].runtimeFunction[args.length]) {
let innerArgs = args.map((_, i) => 'a' + i);
api[method].runtimeFunction[args.length] =
Function(...innerArgs, `return %${method}(${innerArgs.join(',')})`);
}
let fn = api[method].runtimeFunction[args.length];
try {
return fn(...args);
} catch (e) {
require('v8').setFlagsFromString('--allow-natives-syntax');
return fn(...args);
}
}
api[method].runtimeFunction = [];
}
module.exports = api;
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