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final class com.oracle.truffle.polyglot.PolyglotReferences$WeakSingleContext extends com.oracle.truffle.polyglot.PolyglotReferences$AbstractContextReference
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: com.oracle.truffle.polyglot.PolyglotReferences$WeakSingleContext
  super_class: com.oracle.truffle.polyglot.PolyglotReferences$AbstractContextReference
{
  private final com.oracle.truffle.polyglot.PolyglotLanguage language;
    descriptor: Lcom/oracle/truffle/polyglot/PolyglotLanguage;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private volatile java.lang.ref.WeakReference<java.lang.Object> languageContextImpl;
    descriptor: Ljava/lang/ref/WeakReference;
    flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE
    Signature: Ljava/lang/ref/WeakReference<Ljava/lang/Object;>;
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.CompilerDirectives$CompilationFinal()

  private volatile java.lang.ref.WeakReference<com.oracle.truffle.polyglot.PolyglotLanguageContext> languageContext;
    descriptor: Ljava/lang/ref/WeakReference;
    flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE
    Signature: Ljava/lang/ref/WeakReference<Lcom/oracle/truffle/polyglot/PolyglotLanguageContext;>;

  static final boolean $assertionsDisabled;
    descriptor: Z
    flags: (0x1018) ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 215
            ldc Lcom/oracle/truffle/polyglot/PolyglotReferences;
            invokevirtual java.lang.Class.desiredAssertionStatus:()Z
            ifne 1
            iconst_1
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_0
      StackMap locals:
      StackMap stack: int
         2: putstatic com.oracle.truffle.polyglot.PolyglotReferences$WeakSingleContext.$assertionsDisabled:Z
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  void <init>(com.oracle.truffle.polyglot.PolyglotLanguage);
    descriptor: (Lcom/oracle/truffle/polyglot/PolyglotLanguage;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.oracle.truffle.polyglot.PolyglotReferences$WeakSingleContext this
        start local 1 // com.oracle.truffle.polyglot.PolyglotLanguage language
         0: .line 223
            aload 0 /* this */
            invokespecial com.oracle.truffle.polyglot.PolyglotReferences$AbstractContextReference.<init>:()V
         1: .line 224
            aload 0 /* this */
            aload 1 /* language */
            putfield com.oracle.truffle.polyglot.PolyglotReferences$WeakSingleContext.language:Lcom/oracle/truffle/polyglot/PolyglotLanguage;
         2: .line 225
            return
        end local 1 // com.oracle.truffle.polyglot.PolyglotLanguage language
        end local 0 // com.oracle.truffle.polyglot.PolyglotReferences$WeakSingleContext this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    3     0      this  Lcom/oracle/truffle/polyglot/PolyglotReferences$WeakSingleContext;
            0    3     1  language  Lcom/oracle/truffle/polyglot/PolyglotLanguage;
    MethodParameters:
          Name  Flags
      language  

  public java.lang.Object get();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=1
        start local 0 // com.oracle.truffle.polyglot.PolyglotReferences$WeakSingleContext this
         0: .line 229
            getstatic com.oracle.truffle.polyglot.PolyglotReferences$WeakSingleContext.$assertionsDisabled:Z
            ifne 1
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotReferences$WeakSingleContext.language:Lcom/oracle/truffle/polyglot/PolyglotLanguage;
            invokevirtual com.oracle.truffle.polyglot.PolyglotLanguage.assertCorrectEngine:()Z
            ifne 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 230
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotReferences$WeakSingleContext.languageContextImpl:Ljava/lang/ref/WeakReference;
            astore 1 /* ref */
        start local 1 // java.lang.ref.WeakReference ref
         2: .line 231
            aload 1 /* ref */
            ifnonnull 5
         3: .line 232
            invokestatic com.oracle.truffle.api.CompilerDirectives.transferToInterpreterAndInvalidate:()V
         4: .line 233
            aload 0 /* this */
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotReferences$WeakSingleContext.language:Lcom/oracle/truffle/polyglot/PolyglotLanguage;
            invokevirtual com.oracle.truffle.polyglot.PolyglotLanguage.getCurrentLanguageContext:()Lcom/oracle/truffle/polyglot/PolyglotLanguageContext;
            invokevirtual com.oracle.truffle.polyglot.PolyglotReferences$WeakSingleContext.initialize:(Lcom/oracle/truffle/polyglot/PolyglotLanguageContext;)Ljava/lang/ref/WeakReference;
            astore 1 /* ref */
         5: .line 235
      StackMap locals: java.lang.ref.WeakReference
      StackMap stack:
            aload 1 /* ref */
            invokevirtual java.lang.ref.WeakReference.get:()Ljava/lang/Object;
            astore 2 /* context */
        start local 2 // java.lang.Object context
         6: .line 236
            getstatic com.oracle.truffle.polyglot.PolyglotReferences$WeakSingleContext.$assertionsDisabled:Z
            ifne 7
            aload 2 /* context */
            invokestatic com.oracle.truffle.polyglot.PolyglotReferences.checkContextCollected:(Ljava/lang/Object;)Z
            ifne 7
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         7: .line 237
      StackMap locals: java.lang.Object
      StackMap stack:
            getstatic com.oracle.truffle.polyglot.PolyglotReferences$WeakSingleContext.$assertionsDisabled:Z
            ifne 8
            aload 2 /* context */
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.PolyglotReferences$WeakSingleContext.languageContext:Ljava/lang/ref/WeakReference;
            invokestatic com.oracle.truffle.polyglot.PolyglotReferences$WeakSingleContext.assertDirectContextAccess:(Ljava/lang/Object;Ljava/lang/ref/WeakReference;)Z
            ifne 8
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         8: .line 238
      StackMap locals:
      StackMap stack:
            aload 2 /* context */
            areturn
        end local 2 // java.lang.Object context
        end local 1 // java.lang.ref.WeakReference ref
        end local 0 // com.oracle.truffle.polyglot.PolyglotReferences$WeakSingleContext this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    9     0     this  Lcom/oracle/truffle/polyglot/PolyglotReferences$WeakSingleContext;
            2    9     1      ref  Ljava/lang/ref/WeakReference<Ljava/lang/Object;>;
            6    9     2  context  Ljava/lang/Object;

  private java.lang.ref.WeakReference<java.lang.Object> initialize(com.oracle.truffle.polyglot.PolyglotLanguageContext);
    descriptor: (Lcom/oracle/truffle/polyglot/PolyglotLanguageContext;)Ljava/lang/ref/WeakReference;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=3, args_size=2
        start local 0 // com.oracle.truffle.polyglot.PolyglotReferences$WeakSingleContext this
        start local 1 // com.oracle.truffle.polyglot.PolyglotLanguageContext langContext
         0: .line 243
            getstatic com.oracle.truffle.polyglot.PolyglotReferences$WeakSingleContext.$assertionsDisabled:Z
            ifne 1
            aload 0 /* this */
            aload 1 /* langContext */
            invokevirtual com.oracle.truffle.polyglot.PolyglotReferences$WeakSingleContext.setLanguageContext:(Lcom/oracle/truffle/polyglot/PolyglotLanguageContext;)Z
            ifne 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 244
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            new java.lang.ref.WeakReference
            dup
            aload 1 /* langContext */
            invokevirtual com.oracle.truffle.polyglot.PolyglotLanguageContext.getContextImpl:()Ljava/lang/Object;
            invokespecial java.lang.ref.WeakReference.<init>:(Ljava/lang/Object;)V
            dup
            astore 2 /* ref */
        start local 2 // java.lang.ref.WeakReference ref
         2: putfield com.oracle.truffle.polyglot.PolyglotReferences$WeakSingleContext.languageContextImpl:Ljava/lang/ref/WeakReference;
         3: .line 245
            aload 2 /* ref */
            areturn
        end local 2 // java.lang.ref.WeakReference ref
        end local 1 // com.oracle.truffle.polyglot.PolyglotLanguageContext langContext
        end local 0 // com.oracle.truffle.polyglot.PolyglotReferences$WeakSingleContext this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    4     0         this  Lcom/oracle/truffle/polyglot/PolyglotReferences$WeakSingleContext;
            0    4     1  langContext  Lcom/oracle/truffle/polyglot/PolyglotLanguageContext;
            2    4     2          ref  Ljava/lang/ref/WeakReference<Ljava/lang/Object;>;
    Signature: (Lcom/oracle/truffle/polyglot/PolyglotLanguageContext;)Ljava/lang/ref/WeakReference<Ljava/lang/Object;>;
    MethodParameters:
             Name  Flags
      langContext  

  private static boolean assertDirectContextAccess(, java.lang.ref.WeakReference<com.oracle.truffle.polyglot.PolyglotLanguageContext>);
    descriptor: (Ljava/lang/Object;Ljava/lang/ref/WeakReference;)Z
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // java.lang.Object seenContext
        start local 1 // java.lang.ref.WeakReference contextRef
         0: .line 249
            aload 1 /* contextRef */
            ifnonnull 2
         1: .line 254
            iconst_1
            ireturn
         2: .line 256
      StackMap locals:
      StackMap stack:
            aload 1 /* contextRef */
            invokevirtual java.lang.ref.WeakReference.get:()Ljava/lang/Object;
            checkcast com.oracle.truffle.polyglot.PolyglotLanguageContext
            astore 2 /* context */
        start local 2 // com.oracle.truffle.polyglot.PolyglotLanguageContext context
         3: .line 257
            aload 2 /* context */
            ifnonnull 5
         4: .line 258
            aconst_null
            invokestatic com.oracle.truffle.polyglot.PolyglotReferences.invalidSharingError:(Lcom/oracle/truffle/polyglot/PolyglotEngineImpl;)Ljava/lang/AssertionError;
            athrow
         5: .line 260
      StackMap locals: com.oracle.truffle.polyglot.PolyglotLanguageContext
      StackMap stack:
            aload 2 /* context */
            aload 0 /* seenContext */
            invokestatic com.oracle.truffle.polyglot.PolyglotReferences.assertDirectContextAccess:(Lcom/oracle/truffle/polyglot/PolyglotLanguageContext;Ljava/lang/Object;)Z
            ireturn
        end local 2 // com.oracle.truffle.polyglot.PolyglotLanguageContext context
        end local 1 // java.lang.ref.WeakReference contextRef
        end local 0 // java.lang.Object seenContext
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    6     0  seenContext  Ljava/lang/Object;
            0    6     1   contextRef  Ljava/lang/ref/WeakReference<Lcom/oracle/truffle/polyglot/PolyglotLanguageContext;>;
            3    6     2      context  Lcom/oracle/truffle/polyglot/PolyglotLanguageContext;
    Signature: (Ljava/lang/Object;Ljava/lang/ref/WeakReference<Lcom/oracle/truffle/polyglot/PolyglotLanguageContext;>;)Z
    MethodParameters:
             Name  Flags
      seenContext  
      contextRef   

  private boolean setLanguageContext(com.oracle.truffle.polyglot.PolyglotLanguageContext);
    descriptor: (Lcom/oracle/truffle/polyglot/PolyglotLanguageContext;)Z
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // com.oracle.truffle.polyglot.PolyglotReferences$WeakSingleContext this
        start local 1 // com.oracle.truffle.polyglot.PolyglotLanguageContext langContext
         0: .line 264
            aload 0 /* this */
            new java.lang.ref.WeakReference
            dup
            aload 1 /* langContext */
            invokespecial java.lang.ref.WeakReference.<init>:(Ljava/lang/Object;)V
            putfield com.oracle.truffle.polyglot.PolyglotReferences$WeakSingleContext.languageContext:Ljava/lang/ref/WeakReference;
         1: .line 265
            iconst_1
            ireturn
        end local 1 // com.oracle.truffle.polyglot.PolyglotLanguageContext langContext
        end local 0 // com.oracle.truffle.polyglot.PolyglotReferences$WeakSingleContext this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    2     0         this  Lcom/oracle/truffle/polyglot/PolyglotReferences$WeakSingleContext;
            0    2     1  langContext  Lcom/oracle/truffle/polyglot/PolyglotLanguageContext;
    MethodParameters:
             Name  Flags
      langContext  
}
SourceFile: "PolyglotReferences.java"
NestHost: com.oracle.truffle.polyglot.PolyglotReferences
InnerClasses:
  public abstract CompilationFinal = com.oracle.truffle.api.CompilerDirectives$CompilationFinal of com.oracle.truffle.api.CompilerDirectives
  abstract AbstractContextReference = com.oracle.truffle.polyglot.PolyglotReferences$AbstractContextReference of com.oracle.truffle.polyglot.PolyglotReferences
  private final WeakSingleContext = com.oracle.truffle.polyglot.PolyglotReferences$WeakSingleContext of com.oracle.truffle.polyglot.PolyglotReferences