GT2/Ejectable/node_modules/hermes-engine/android/include/hermes/Public/RuntimeConfig.h

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2021-08-16 00:14:59 +00:00
/*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#ifndef HERMES_PUBLIC_RUNTIMECONFIG_H
#define HERMES_PUBLIC_RUNTIMECONFIG_H
#include "hermes/Public/CrashManager.h"
#include "hermes/Public/CtorConfig.h"
#include "hermes/Public/GCConfig.h"
#include <memory>
#ifdef HERMESVM_SERIALIZE
#include <vector>
namespace llvm {
class MemoryBuffer;
class raw_ostream;
} // namespace llvm
#endif
namespace hermes {
namespace vm {
class PinnedHermesValue;
#ifdef HERMESVM_SERIALIZE
class Serializer;
class Deserializer;
#endif
// Parameters for Runtime initialisation. Check documentation in README.md
// constexpr indicates that the default value is constexpr.
#define RUNTIME_FIELDS_BASE(F) \
/* Parameters to be passed on to the GC. */ \
F(HERMES_NON_CONSTEXPR, vm::GCConfig, GCConfig) \
\
/* Pre-allocated Register Stack */ \
F(constexpr, PinnedHermesValue *, RegisterStack, nullptr) \
\
/* Register Stack Size */ \
F(constexpr, unsigned, MaxNumRegisters, 1024 * 1024) \
\
/* Whether or not the JIT is enabled */ \
F(constexpr, bool, EnableJIT, false) \
\
/* Whether to allow eval and Function ctor */ \
F(constexpr, bool, EnableEval, true) \
\
/* Whether to verify the IR generated by eval and Function ctor */ \
F(constexpr, bool, VerifyEvalIR, false) \
\
/* Support for ES6 Proxy. */ \
F(constexpr, bool, ES6Proxy, false) \
\
/* Support for ES6 Symbol. */ \
F(constexpr, bool, ES6Symbol, true) \
\
/* Trace non-deterministic JS behavior */ \
F(constexpr, bool, TraceEnvironmentInteractions, false) \
\
/* Enable sampling certain statistics. */ \
F(constexpr, bool, EnableSampledStats, false) \
\
/* Whether to enable sampling profiler */ \
F(constexpr, bool, EnableSampleProfiling, false) \
\
/* Whether to randomize stack placement etc. */ \
F(constexpr, bool, RandomizeMemoryLayout, false) \
\
/* Eagerly read bytecode into page cache. */ \
F(constexpr, unsigned, BytecodeWarmupPercent, 0) \
\
/* Signal-based I/O tracking. Slows down execution. If enabled, */ \
/* all bytecode buffers > 64 kB passed to Hermes must be mmap:ed. */ \
F(constexpr, bool, TrackIO, false) \
\
/* Enable contents of HermesInternal */ \
F(constexpr, bool, EnableHermesInternal, true) \
\
/* Enable methods exposed to JS for testing */ \
F(constexpr, bool, EnableHermesInternalTestMethods, false) \
\
/* Allows Function.toString() to return the original source code */ \
/* if available. For this to work code must have been compiled at */ \
/* runtime with CompileFlags::allowFunctionToStringWithRuntimeSource set. */ \
F(constexpr, bool, AllowFunctionToStringWithRuntimeSource, false) \
\
/* An interface for managing crashes. */ \
F(HERMES_NON_CONSTEXPR, \
std::shared_ptr<CrashManager>, \
CrashMgr, \
new NopCrashManager) \
\
/* The flags passed from a VM experiment */ \
F(constexpr, uint32_t, VMExperimentFlags, 0) \
/* RUNTIME_FIELDS END */
#ifdef HERMESVM_SERIALIZE
using ExternalPointersVectorFunction = std::vector<void *>();
#define RUNTIME_FIELDS_SD(F) \
/* Should serialize after initialization */ \
F(HERMES_NON_CONSTEXPR, \
std::shared_ptr<llvm::raw_ostream>, \
SerializeAfterInitFile, \
nullptr) \
/* Should deserialize instead of initialization */ \
F(HERMES_NON_CONSTEXPR, \
std::shared_ptr<llvm::MemoryBuffer>, \
DeserializeFile, \
nullptr) \
/* A function to get pointer values not visible to Runtime. e.g. \
* function pointers defined in ConsoleHost*/ \
F(constexpr, \
ExternalPointersVectorFunction *, \
ExternalPointersVectorCallBack, \
nullptr)
#define RUNTIME_FIELDS(F) \
RUNTIME_FIELDS_BASE(F) \
RUNTIME_FIELDS_SD(F)
#else // ifndef HERMESVM_SERIALIZE
#define RUNTIME_FIELDS(F) RUNTIME_FIELDS_BASE(F)
#endif // HERMESVM_SERIALIZE
_HERMES_CTORCONFIG_STRUCT(RuntimeConfig, RUNTIME_FIELDS, {});
#undef RUNTIME_FIELDS
} // namespace vm
} // namespace hermes
#endif // HERMES_PUBLIC_RUNTIMECONFIG_H