JSLanguageOptions

java.lang.Object
- java.lang.Record
- - com.oracle.truffle.js.runtime.JSLanguageOptions

```
public final class JSLanguageOptions
extends Record
```
Cached option values of per-language (Engine) options to allow for fast access in the interpreter and constant folding in compiled code. Generally speaking, the language instance (including parsed and compiled code, object shapes, etc.) cannot be shared if any of these options differ.

See Also:

JSContextOptions, JSParserOptions

Constructor Summary

Constructors
Constructor and Description
JSLanguageOptions(int ecmaScriptVersion, boolean strict, boolean annexB, boolean intl402, boolean regexpMatchIndices, boolean regexpUnicodeSets, boolean sharedArrayBuffer, boolean v8RealmBuiltin, boolean nashornCompatibilityMode, int stackTraceLimit, boolean parseOnly, boolean zoneRulesBasedTimeZones, boolean agentCanBlock, boolean printNoNewline, boolean commonJSRequire, boolean awaitOptimization, boolean allowEval, boolean disableWith, boolean regexDumpAutomata, boolean regexStepExecution, boolean regexAlwaysEager, boolean scriptEngineGlobalScopeImport, boolean hasForeignObjectPrototype, boolean hasForeignHashProperties, long functionArgumentsLimit, boolean test262Mode, boolean testV8Mode, boolean validateRegExpLiterals, int functionConstructorCacheSize, int regexCacheSize, int stringLengthLimit, boolean stringLazySubstrings, boolean bindMemberFunctions, boolean regexRegressionTestMode, boolean testCloneUninitialized, boolean lazyTranslation, int maxTypedArrayLength, int maxApplyArgumentLength, int maxPrototypeChainLength, boolean asyncStackTraces, int propertyCacheLimit, int functionCacheLimit, boolean topLevelAwait, boolean useUTCForLegacyDates, boolean webAssembly, boolean newSetMethods, boolean temporal, boolean iteratorHelpers, boolean asyncIteratorHelpers, boolean shadowRealm, boolean asyncContext, boolean v8Intrinsics, JSContextOptions.UnhandledRejectionsTrackingMode unhandledRejectionsMode, boolean operatorOverloading, boolean errorCause, boolean importAttributes, boolean jsonModules, boolean wasmBigInt, boolean esmEvalReturnsExports, boolean isMLEMode, boolean privateFieldsIn, boolean esmBareSpecifierRelativeLookup, boolean scopeOptimization, boolean bigInt, boolean classFields, boolean shebang, boolean syntaxExtensions, boolean scripting, boolean functionStatementError, boolean constAsVar, boolean profileTime, String locale)

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`boolean`	`agentCanBlock()`
`boolean`	`allowEval()`
`boolean`	`annexB()`
`boolean`	`asyncContext()`
`boolean`	`asyncIteratorHelpers()`
`boolean`	`asyncStackTraces()`
`boolean`	`awaitOptimization()`
`boolean`	`bigInt()`
`boolean`	`bindMemberFunctions()`
`boolean`	`classFields()`
`boolean`	`commonJSRequire()`
`boolean`	`constAsVar()`
`boolean`	`disableWith()`
`int`	`ecmaScriptVersion()`
`boolean`	`equals(Object o)`
`boolean`	`errorCause()`
`boolean`	`esmBareSpecifierRelativeLookup()`
`boolean`	`esmEvalReturnsExports()`
`static JSLanguageOptions`	`fromContextOptions(JSContextOptions options)`
`static JSLanguageOptions`	`fromOptionValues(org.graalvm.polyglot.SandboxPolicy sandboxPolicy, org.graalvm.options.OptionValues optionValues)`
`long`	`functionArgumentsLimit()`
`int`	`functionCacheLimit()`
`int`	`functionConstructorCacheSize()`
`boolean`	`functionStatementError()`
`boolean`	`hasForeignHashProperties()`
`boolean`	`hasForeignObjectPrototype()`
`int`	`hashCode()`
`boolean`	`importAttributes()`
`boolean`	`intl402()`
`boolean`	`isMLEMode()`
`boolean`	`iteratorHelpers()`
`boolean`	`jsonModules()`
`boolean`	`lazyTranslation()`
`String`	`locale()`
`int`	`maxApplyArgumentLength()`
`int`	`maxPrototypeChainLength()`
`int`	`maxTypedArrayLength()`
`boolean`	`nashornCompatibilityMode()`
`boolean`	`newSetMethods()`
`boolean`	`operatorOverloading()`
`boolean`	`parseOnly()`
`boolean`	`printNoNewline()`
`boolean`	`privateFieldsIn()`
`boolean`	`profileTime()`
`int`	`propertyCacheLimit()`
`boolean`	`regexAlwaysEager()`
`int`	`regexCacheSize()`
`boolean`	`regexDumpAutomata()`
`boolean`	`regexpMatchIndices()`
`boolean`	`regexpUnicodeSets()`
`boolean`	`regexRegressionTestMode()`
`boolean`	`regexStepExecution()`
`boolean`	`scopeOptimization()`
`boolean`	`scriptEngineGlobalScopeImport()`
`boolean`	`scripting()`
`boolean`	`shadowRealm()`
`boolean`	`sharedArrayBuffer()`
`boolean`	`shebang()`
`int`	`stackTraceLimit()`
`boolean`	`strict()`
`boolean`	`stringLazySubstrings()`
`int`	`stringLengthLimit()`
`boolean`	`syntaxExtensions()`
`boolean`	`temporal()`
`boolean`	`test262Mode()`
`boolean`	`testCloneUninitialized()`
`boolean`	`testV8Mode()`
`boolean`	`topLevelAwait()`
`String`	`toString()`
`JSContextOptions.UnhandledRejectionsTrackingMode`	`unhandledRejectionsMode()`
`boolean`	`useUTCForLegacyDates()`
`boolean`	`v8Intrinsics()`
`boolean`	`v8RealmBuiltin()`
`boolean`	`validateRegExpLiterals()`
`boolean`	`wasmBigInt()`
`boolean`	`webAssembly()`
`boolean`	`zoneRulesBasedTimeZones()`

Methods inherited from class java.lang.Object
clone, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

JSLanguageOptions

public JSLanguageOptions(int ecmaScriptVersion,
                         boolean strict,
                         boolean annexB,
                         boolean intl402,
                         boolean regexpMatchIndices,
                         boolean regexpUnicodeSets,
                         boolean sharedArrayBuffer,
                         boolean v8RealmBuiltin,
                         boolean nashornCompatibilityMode,
                         int stackTraceLimit,
                         boolean parseOnly,
                         boolean zoneRulesBasedTimeZones,
                         boolean agentCanBlock,
                         boolean printNoNewline,
                         boolean commonJSRequire,
                         boolean awaitOptimization,
                         boolean allowEval,
                         boolean disableWith,
                         boolean regexDumpAutomata,
                         boolean regexStepExecution,
                         boolean regexAlwaysEager,
                         boolean scriptEngineGlobalScopeImport,
                         boolean hasForeignObjectPrototype,
                         boolean hasForeignHashProperties,
                         long functionArgumentsLimit,
                         boolean test262Mode,
                         boolean testV8Mode,
                         boolean validateRegExpLiterals,
                         int functionConstructorCacheSize,
                         int regexCacheSize,
                         int stringLengthLimit,
                         boolean stringLazySubstrings,
                         boolean bindMemberFunctions,
                         boolean regexRegressionTestMode,
                         boolean testCloneUninitialized,
                         boolean lazyTranslation,
                         int maxTypedArrayLength,
                         int maxApplyArgumentLength,
                         int maxPrototypeChainLength,
                         boolean asyncStackTraces,
                         int propertyCacheLimit,
                         int functionCacheLimit,
                         boolean topLevelAwait,
                         boolean useUTCForLegacyDates,
                         boolean webAssembly,
                         boolean newSetMethods,
                         boolean temporal,
                         boolean iteratorHelpers,
                         boolean asyncIteratorHelpers,
                         boolean shadowRealm,
                         boolean asyncContext,
                         boolean v8Intrinsics,
                         JSContextOptions.UnhandledRejectionsTrackingMode unhandledRejectionsMode,
                         boolean operatorOverloading,
                         boolean errorCause,
                         boolean importAttributes,
                         boolean jsonModules,
                         boolean wasmBigInt,
                         boolean esmEvalReturnsExports,
                         boolean isMLEMode,
                         boolean privateFieldsIn,
                         boolean esmBareSpecifierRelativeLookup,
                         boolean scopeOptimization,
                         boolean bigInt,
                         boolean classFields,
                         boolean shebang,
                         boolean syntaxExtensions,
                         boolean scripting,
                         boolean functionStatementError,
                         boolean constAsVar,
                         boolean profileTime,
                         String locale)

Method Detail

fromOptionValues

public static JSLanguageOptions fromOptionValues(org.graalvm.polyglot.SandboxPolicy sandboxPolicy,
                                                 org.graalvm.options.OptionValues optionValues)

fromContextOptions

public static JSLanguageOptions fromContextOptions(JSContextOptions options)

toString
```
public final String toString()
```
Specified by:

toString in class Record

hashCode
```
public final int hashCode()
```
Specified by:

hashCode in class Record

equals

public final boolean equals(Object o)

Specified by:: equals in class Record

ecmaScriptVersion
```
public int ecmaScriptVersion()
```

strict
```
public boolean strict()
```

annexB
```
public boolean annexB()
```

intl402
```
public boolean intl402()
```

regexpMatchIndices
```
public boolean regexpMatchIndices()
```

regexpUnicodeSets
```
public boolean regexpUnicodeSets()
```

sharedArrayBuffer
```
public boolean sharedArrayBuffer()
```

v8RealmBuiltin
```
public boolean v8RealmBuiltin()
```

nashornCompatibilityMode

public boolean nashornCompatibilityMode()

stackTraceLimit
```
public int stackTraceLimit()
```

parseOnly
```
public boolean parseOnly()
```

zoneRulesBasedTimeZones

public boolean zoneRulesBasedTimeZones()

agentCanBlock
```
public boolean agentCanBlock()
```

printNoNewline
```
public boolean printNoNewline()
```

commonJSRequire
```
public boolean commonJSRequire()
```

awaitOptimization
```
public boolean awaitOptimization()
```

allowEval
```
public boolean allowEval()
```

disableWith
```
public boolean disableWith()
```

regexDumpAutomata
```
public boolean regexDumpAutomata()
```

regexStepExecution
```
public boolean regexStepExecution()
```

regexAlwaysEager
```
public boolean regexAlwaysEager()
```

scriptEngineGlobalScopeImport

public boolean scriptEngineGlobalScopeImport()

hasForeignObjectPrototype

public boolean hasForeignObjectPrototype()

hasForeignHashProperties

public boolean hasForeignHashProperties()

functionArgumentsLimit
```
public long functionArgumentsLimit()
```

test262Mode
```
public boolean test262Mode()
```

testV8Mode
```
public boolean testV8Mode()
```

validateRegExpLiterals

public boolean validateRegExpLiterals()

functionConstructorCacheSize

public int functionConstructorCacheSize()

regexCacheSize
```
public int regexCacheSize()
```

stringLengthLimit
```
public int stringLengthLimit()
```

stringLazySubstrings
```
public boolean stringLazySubstrings()
```

bindMemberFunctions
```
public boolean bindMemberFunctions()
```

regexRegressionTestMode

public boolean regexRegressionTestMode()

testCloneUninitialized

public boolean testCloneUninitialized()

lazyTranslation
```
public boolean lazyTranslation()
```

maxTypedArrayLength
```
public int maxTypedArrayLength()
```

maxApplyArgumentLength
```
public int maxApplyArgumentLength()
```

maxPrototypeChainLength
```
public int maxPrototypeChainLength()
```

asyncStackTraces
```
public boolean asyncStackTraces()
```

propertyCacheLimit
```
public int propertyCacheLimit()
```

functionCacheLimit
```
public int functionCacheLimit()
```

topLevelAwait
```
public boolean topLevelAwait()
```

useUTCForLegacyDates
```
public boolean useUTCForLegacyDates()
```

webAssembly
```
public boolean webAssembly()
```

newSetMethods
```
public boolean newSetMethods()
```

temporal
```
public boolean temporal()
```

iteratorHelpers
```
public boolean iteratorHelpers()
```

asyncIteratorHelpers
```
public boolean asyncIteratorHelpers()
```

shadowRealm
```
public boolean shadowRealm()
```

asyncContext
```
public boolean asyncContext()
```

v8Intrinsics
```
public boolean v8Intrinsics()
```

unhandledRejectionsMode

public JSContextOptions.UnhandledRejectionsTrackingMode unhandledRejectionsMode()

operatorOverloading
```
public boolean operatorOverloading()
```

errorCause
```
public boolean errorCause()
```

importAttributes
```
public boolean importAttributes()
```

jsonModules
```
public boolean jsonModules()
```

wasmBigInt
```
public boolean wasmBigInt()
```

esmEvalReturnsExports

public boolean esmEvalReturnsExports()

isMLEMode
```
public boolean isMLEMode()
```

privateFieldsIn
```
public boolean privateFieldsIn()
```

esmBareSpecifierRelativeLookup

public boolean esmBareSpecifierRelativeLookup()

scopeOptimization
```
public boolean scopeOptimization()
```

bigInt
```
public boolean bigInt()
```

classFields
```
public boolean classFields()
```

shebang
```
public boolean shebang()
```

syntaxExtensions
```
public boolean syntaxExtensions()
```

scripting
```
public boolean scripting()
```

functionStatementError

public boolean functionStatementError()

constAsVar
```
public boolean constAsVar()
```

profileTime
```
public boolean profileTime()
```

locale
```
public String locale()
```

Class JSLanguageOptions

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

JSLanguageOptions

Method Detail

fromOptionValues

fromContextOptions

toString

hashCode

equals

ecmaScriptVersion

strict

annexB

intl402

regexpMatchIndices

regexpUnicodeSets

sharedArrayBuffer

v8RealmBuiltin

nashornCompatibilityMode

stackTraceLimit

parseOnly

zoneRulesBasedTimeZones

agentCanBlock

printNoNewline

commonJSRequire

awaitOptimization

allowEval

disableWith

regexDumpAutomata

regexStepExecution

regexAlwaysEager

scriptEngineGlobalScopeImport

hasForeignObjectPrototype

hasForeignHashProperties

functionArgumentsLimit

test262Mode

testV8Mode

validateRegExpLiterals

functionConstructorCacheSize

regexCacheSize

stringLengthLimit

stringLazySubstrings

bindMemberFunctions

regexRegressionTestMode

testCloneUninitialized

lazyTranslation

maxTypedArrayLength

maxApplyArgumentLength

maxPrototypeChainLength

asyncStackTraces

propertyCacheLimit

functionCacheLimit

topLevelAwait

useUTCForLegacyDates

webAssembly

newSetMethods

temporal

iteratorHelpers

asyncIteratorHelpers

shadowRealm

asyncContext

v8Intrinsics

unhandledRejectionsMode

operatorOverloading

errorCause

importAttributes

jsonModules

wasmBigInt

esmEvalReturnsExports

isMLEMode

privateFieldsIn

esmBareSpecifierRelativeLookup

scopeOptimization

bigInt

classFields

shebang

syntaxExtensions

scripting