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Diffstat (limited to 'js/public/ContextOptions.h')
| -rw-r--r-- | js/public/ContextOptions.h | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/js/public/ContextOptions.h b/js/public/ContextOptions.h new file mode 100644 index 0000000000..25744ce9ea --- /dev/null +++ b/js/public/ContextOptions.h @@ -0,0 +1,255 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * vim: set ts=8 sts=2 et sw=2 tw=80: + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* JavaScript API. */ + +#ifndef js_ContextOptions_h +#define js_ContextOptions_h + +#include "jstypes.h" // JS_PUBLIC_API + +#include "js/CompileOptions.h" // PrefableCompileOptions +#include "js/WasmFeatures.h" + +struct JS_PUBLIC_API JSContext; + +namespace JS { + +class JS_PUBLIC_API ContextOptions { + public: + // clang-format off + ContextOptions() + : wasm_(true), + wasmForTrustedPrinciples_(true), + wasmVerbose_(false), + wasmBaseline_(true), + wasmIon_(true), +#define WASM_FEATURE(NAME, LOWER_NAME, STAGE, ...) wasm##NAME##_(STAGE == WasmFeatureStage::Default), + JS_FOR_WASM_FEATURES(WASM_FEATURE) +#undef WASM_FEATURE + testWasmAwaitTier2_(false), + disableIon_(false), + disableEvalSecurityChecks_(false), + asyncStack_(true), + asyncStackCaptureDebuggeeOnly_(false), + throwOnDebuggeeWouldRun_(true), + dumpStackOnDebuggeeWouldRun_(false), +#ifdef JS_ENABLE_SMOOSH + trackNotImplemented_(false), + trySmoosh_(false), +#endif + fuzzing_(false) { + } + // clang-format on + + bool asmJS() const { + return compileOptions_.asmJSOption() == AsmJSOption::Enabled; + } + AsmJSOption asmJSOption() const { return compileOptions_.asmJSOption(); } + ContextOptions& setAsmJS(bool flag) { + compileOptions_.setAsmJS(flag); + return *this; + } + ContextOptions& setAsmJSOption(AsmJSOption option) { + compileOptions_.setAsmJSOption(option); + return *this; + } + + bool wasm() const { return wasm_; } + ContextOptions& setWasm(bool flag) { + wasm_ = flag; + return *this; + } + ContextOptions& toggleWasm() { + wasm_ = !wasm_; + return *this; + } + + bool wasmForTrustedPrinciples() const { return wasmForTrustedPrinciples_; } + ContextOptions& setWasmForTrustedPrinciples(bool flag) { + wasmForTrustedPrinciples_ = flag; + return *this; + } + + bool wasmVerbose() const { return wasmVerbose_; } + ContextOptions& setWasmVerbose(bool flag) { + wasmVerbose_ = flag; + return *this; + } + + bool wasmBaseline() const { return wasmBaseline_; } + ContextOptions& setWasmBaseline(bool flag) { + wasmBaseline_ = flag; + return *this; + } + + bool wasmIon() const { return wasmIon_; } + ContextOptions& setWasmIon(bool flag) { + wasmIon_ = flag; + return *this; + } + + bool testWasmAwaitTier2() const { return testWasmAwaitTier2_; } + ContextOptions& setTestWasmAwaitTier2(bool flag) { + testWasmAwaitTier2_ = flag; + return *this; + } + +#define WASM_FEATURE(NAME, ...) \ + bool wasm##NAME() const { return wasm##NAME##_; } \ + ContextOptions& setWasm##NAME(bool flag) { \ + wasm##NAME##_ = flag; \ + return *this; \ + } + JS_FOR_WASM_FEATURES(WASM_FEATURE) +#undef WASM_FEATURE + + bool throwOnAsmJSValidationFailure() const { + return compileOptions_.throwOnAsmJSValidationFailure(); + } + ContextOptions& setThrowOnAsmJSValidationFailure(bool flag) { + compileOptions_.setThrowOnAsmJSValidationFailure(flag); + return *this; + } + ContextOptions& toggleThrowOnAsmJSValidationFailure() { + compileOptions_.toggleThrowOnAsmJSValidationFailure(); + return *this; + } + + // Override to allow disabling Ion for this context irrespective of the + // process-wide Ion-enabled setting. This must be set right after creating + // the context. + bool disableIon() const { return disableIon_; } + ContextOptions& setDisableIon() { + disableIon_ = true; + return *this; + } + + bool importAttributes() const { return compileOptions_.importAttributes(); } + ContextOptions& setImportAttributes(bool enabled) { + compileOptions_.setImportAttributes(enabled); + return *this; + } + + bool importAttributesAssertSyntax() const { + return compileOptions_.importAttributesAssertSyntax(); + } + ContextOptions& setImportAttributesAssertSyntax(bool enabled) { + compileOptions_.setImportAttributesAssertSyntax(enabled); + return *this; + } + + // Override to allow disabling the eval restriction security checks for + // this context. + bool disableEvalSecurityChecks() const { return disableEvalSecurityChecks_; } + ContextOptions& setDisableEvalSecurityChecks() { + disableEvalSecurityChecks_ = true; + return *this; + } + + bool asyncStack() const { return asyncStack_; } + ContextOptions& setAsyncStack(bool flag) { + asyncStack_ = flag; + return *this; + } + + bool asyncStackCaptureDebuggeeOnly() const { + return asyncStackCaptureDebuggeeOnly_; + } + ContextOptions& setAsyncStackCaptureDebuggeeOnly(bool flag) { + asyncStackCaptureDebuggeeOnly_ = flag; + return *this; + } + + // Enable/disable support for parsing '//(#@) source(Mapping)?URL=' pragmas. + bool sourcePragmas() const { return compileOptions_.sourcePragmas(); } + ContextOptions& setSourcePragmas(bool flag) { + compileOptions_.setSourcePragmas(flag); + return *this; + } + + bool throwOnDebuggeeWouldRun() const { return throwOnDebuggeeWouldRun_; } + ContextOptions& setThrowOnDebuggeeWouldRun(bool flag) { + throwOnDebuggeeWouldRun_ = flag; + return *this; + } + + bool dumpStackOnDebuggeeWouldRun() const { + return dumpStackOnDebuggeeWouldRun_; + } + ContextOptions& setDumpStackOnDebuggeeWouldRun(bool flag) { + dumpStackOnDebuggeeWouldRun_ = flag; + return *this; + } + +#ifdef JS_ENABLE_SMOOSH + // Track Number of Not Implemented Calls by writing to a file + bool trackNotImplemented() const { return trackNotImplemented_; } + ContextOptions& setTrackNotImplemented(bool flag) { + trackNotImplemented_ = flag; + return *this; + } + + // Try compiling SmooshMonkey frontend first, and fallback to C++ + // implementation when it fails. + bool trySmoosh() const { return trySmoosh_; } + ContextOptions& setTrySmoosh(bool flag) { + trySmoosh_ = flag; + return *this; + } + +#endif // JS_ENABLE_SMOOSH + + bool fuzzing() const { return fuzzing_; } + // Defined out-of-line because it depends on a compile-time option + ContextOptions& setFuzzing(bool flag); + + void disableOptionsForSafeMode() { + setAsmJSOption(AsmJSOption::DisabledByAsmJSPref); + setWasmBaseline(false); + } + + PrefableCompileOptions& compileOptions() { return compileOptions_; } + const PrefableCompileOptions& compileOptions() const { + return compileOptions_; + } + + private: + // WASM options. + bool wasm_ : 1; + bool wasmForTrustedPrinciples_ : 1; + bool wasmVerbose_ : 1; + bool wasmBaseline_ : 1; + bool wasmIon_ : 1; +#define WASM_FEATURE(NAME, ...) bool wasm##NAME##_ : 1; + JS_FOR_WASM_FEATURES(WASM_FEATURE) +#undef WASM_FEATURE + bool testWasmAwaitTier2_ : 1; + + // JIT options. + bool disableIon_ : 1; + bool disableEvalSecurityChecks_ : 1; + + // Runtime options. + bool asyncStack_ : 1; + bool asyncStackCaptureDebuggeeOnly_ : 1; + bool throwOnDebuggeeWouldRun_ : 1; + bool dumpStackOnDebuggeeWouldRun_ : 1; +#ifdef JS_ENABLE_SMOOSH + bool trackNotImplemented_ : 1; + bool trySmoosh_ : 1; +#endif + bool fuzzing_ : 1; + + // Compile options. + PrefableCompileOptions compileOptions_; +}; + +JS_PUBLIC_API ContextOptions& ContextOptionsRef(JSContext* cx); + +} // namespace JS + +#endif // js_ContextOptions_h |