Class FunctionEnvironment

java.lang.Object
com.oracle.truffle.js.parser.env.Environment
com.oracle.truffle.js.parser.env.FunctionEnvironment
public final class FunctionEnvironment extends Environment

  • Field Details

    • DYNAMIC_SCOPE_IDENTIFIER

      public static final com.oracle.truffle.api.strings.TruffleString DYNAMIC_SCOPE_IDENTIFIER

  • Constructor Details

    • FunctionEnvironment

      public FunctionEnvironment(Environment parent, NodeFactory factory, JSContext context, Scope scope, boolean isStrictMode, boolean isEval, boolean isDirectEval, boolean isArrowFunction, boolean isGeneratorFunction, boolean isDerivedConstructor, boolean isAsyncFunction, boolean isGlobal, boolean hasSyntheticArguments)

  • Method Details

    • declareLocalVar

      public JSFrameSlot declareLocalVar(Object name)
      Overrides:
      declareLocalVar in class Environment

    • declareInternalSlot

      public JSFrameSlot declareInternalSlot(Object name)
      Overrides:
      declareInternalSlot in class Environment

    • getReturnSlot

      public JSFrameSlot getReturnSlot()

    • hasReturnSlot

      public boolean hasReturnSlot()

    • getAsyncResultSlot

      public JSFrameSlot getAsyncResultSlot()

    • getAsyncContextSlot

      public JSFrameSlot getAsyncContextSlot()

    • getYieldResultSlot

      public JSFrameSlot getYieldResultSlot()

    • getCurrentBlockScopeSlot

      public JSFrameSlot getCurrentBlockScopeSlot()
      Overrides:
      getCurrentBlockScopeSlot in class Environment

    • isEval

      public boolean isEval()

    • isArrowFunction

      public boolean isArrowFunction()

    • isGeneratorFunction

      public boolean isGeneratorFunction()

    • getBlockFrameDescriptor

      public JSFrameDescriptor getBlockFrameDescriptor()
      Overrides:
      getBlockFrameDescriptor in class Environment

    • findBlockFrameSlot

      public JSFrameSlot findBlockFrameSlot(Object name)
      Overrides:
      findBlockFrameSlot in class Environment

    • findFunctionFrameSlot

      public JSFrameSlot findFunctionFrameSlot(Object name)
      Overrides:
      findFunctionFrameSlot in class Environment

    • pushContinueTarget

      public FunctionEnvironment.JumpTargetCloseable<ContinueTarget> pushContinueTarget(String label)

    • pushBreakTarget

      public FunctionEnvironment.JumpTargetCloseable<BreakTarget> pushBreakTarget(String label)

    • findBreakTarget

      public BreakTarget findBreakTarget(Object label)

    • findContinueTarget

      public ContinueTarget findContinueTarget(Object label)

    • hasReturn

      public boolean hasReturn()

    • addReturn

      public void addReturn()

    • hasAwait

      public boolean hasAwait()

    • addAwait

      public void addAwait()

    • hasYield

      public boolean hasYield()

    • addYield

      public void addYield()

    • setDirectArgumentsAccess

      public void setDirectArgumentsAccess(boolean directArgumentsAccess)

    • isDirectArgumentsAccess

      public boolean isDirectArgumentsAccess()

    • addMappedParameter

      public void addMappedParameter(JSFrameSlot slot, int index)

    • getFunctionName

      public com.oracle.truffle.api.strings.TruffleString getFunctionName()

    • setFunctionName

      public void setFunctionName(com.oracle.truffle.api.strings.TruffleString functionName)

    • getInternalFunctionName

      public com.oracle.truffle.api.strings.TruffleString getInternalFunctionName()

    • setInternalFunctionName

      public void setInternalFunctionName(com.oracle.truffle.api.strings.TruffleString internalFunctionName)

    • getExplicitOrInternalFunctionName

      public com.oracle.truffle.api.strings.TruffleString getExplicitOrInternalFunctionName()

    • setNamedFunctionExpression

      public void setNamedFunctionExpression(boolean isNamedExpression)

    • isNamedFunctionExpression

      protected boolean isNamedFunctionExpression()

    • needsParentFrame

      public boolean needsParentFrame()

    • setNeedsParentFrame

      public void setNeedsParentFrame(boolean needsParentFrame)

    • freeze

      public void freeze()

    • isFrozen

      public boolean isFrozen()

    • isDeepFrozen

      public boolean isDeepFrozen()

    • hasMappedParameters

      public boolean hasMappedParameters()

    • getFunctionFrameDescriptor

      public JSFrameDescriptor getFunctionFrameDescriptor()
      Overrides:
      getFunctionFrameDescriptor in class Environment

    • isStrictMode

      public boolean isStrictMode()
      Overrides:
      isStrictMode in class Environment

    • getParentFunction

      public FunctionEnvironment getParentFunction()

    • getNonArrowParentFunction

      public FunctionEnvironment getNonArrowParentFunction()

    • getScopeLevel

      public int getScopeLevel()
      Overrides:
      getScopeLevel in class Environment

    • isGlobal

      public boolean isGlobal()

    • hasSyntheticArguments

      public boolean hasSyntheticArguments()

    • returnsLastStatementResult

      public boolean returnsLastStatementResult()

    • setIsDynamicallyScoped

      public void setIsDynamicallyScoped(boolean isDynamicallyScoped)

    • isDynamicallyScoped

      public boolean isDynamicallyScoped()
      Function is dynamically scope because it's non-strict and has a direct eval call.
      Overrides:
      isDynamicallyScoped in class Environment

    • isDynamicScopeContext

      public boolean isDynamicScopeContext()
      Description copied from class: Environment
      Environment chain contains a dynamic scope (eval or with) that may shadow variables.
      Overrides:
      isDynamicScopeContext in class Environment

    • getVariableEnvironment

      public Environment getVariableEnvironment()
      Overrides:
      getVariableEnvironment in class Environment

    • isDirectEval

      public boolean isDirectEval()

    • isIndirectEval

      public boolean isIndirectEval()

    • isCallerContextEval

      public boolean isCallerContextEval()

    • inDirectEval

      public boolean inDirectEval()

    • setNeedsNewTarget

      public void setNeedsNewTarget(boolean needsNewTarget)

    • setRestParameter

      public void setRestParameter(boolean restParameter)

    • hasRestParameter

      public boolean hasRestParameter()

    • setSimpleParameterList

      public void setSimpleParameterList(boolean simpleParameterList)

    • hasSimpleParameterList

      public boolean hasSimpleParameterList()

    • getLeadingArgumentCount

      public int getLeadingArgumentCount()

    • isDerivedConstructor

      public boolean isDerivedConstructor()

    • getThisFunctionLevel

      public int getThisFunctionLevel()
      Returns the number of function levels to skip to reach the function with the [[ThisValue]]. Loosely resembles GetThisEnvironment(), but we need to consider eval functions, too.

    • isAsyncFunction

      public boolean isAsyncFunction()

    • isAsyncGeneratorFunction

      public boolean isAsyncGeneratorFunction()

    • getScope

      public Scope getScope()
      Overrides:
      getScope in class Environment

    • isModule

      public boolean isModule()

    • isScriptOrModule

      public boolean isScriptOrModule()

    • prepareForDirectEval

      public void prepareForDirectEval()

    • toStringImpl

      protected String toStringImpl(Map<String,Integer> state)
      Overrides:
      toStringImpl in class Environment