Java Doc for ExpWalker.java in  » Scripting » Kawa » gnu » expr » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Scripting » Kawa » gnu.expr   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    gnu.expr.ExpWalker All known Subclasses:   gnu.expr.PushApply,  gnu.expr.ChainLambdas,  gnu.expr.ResolveNames,  gnu.expr.InlineCalls,  gnu.expr.FindCapturedVars,  gnu.expr.FindTailCalls, ExpWalker public class ExpWalker implements gnu.text.SourceLocator(Code) Class for doing a tree-walk over an Expression tree. Field Summary  Compilation comp      protected  LambdaExp currentLambda       Object exitValue      If exitValue is set to non-null, the walk stops. protected  SourceMessages messages      Method Summary public  void error(char kind, String message)      final public  int getColumnNumber()      public  Compilation getCompilation()      Get the Compilation associated with this walker. final public  LambdaExp getCurrentLambda()      final public  String getFileName()      final public  int getLineNumber()      public  SourceMessages getMessages()      public  String getPublicId()      public  String getSystemId()      public  boolean isStableSourceLocation()      Normally same as getSystemId. public  Expression noteError(String message)      public  void setColumn(int column)      public  void setContext(Compilation comp)      public  void setFile(String filename)      public  void setLine(int line)      public  void setLine(String filename, int line, int column)      public  Expression walk(Expression exp)      Call the walk method of argument Expression. Could call Expression's walk directly, but this allows us to interpose a method call on each Expression. protected  Expression walkApplyExp(ApplyExp exp)      protected  Expression walkBeginExp(BeginExp exp)      protected  Expression walkBlockExp(BlockExp exp)      protected  Expression walkClassExp(ClassExp exp)      final protected  void walkDeclarationType(Declaration decl)      final protected  void walkDeclarationTypes(ScopeExp exp)      public  void walkDefaultArgs(LambdaExp exp)      protected  Expression walkExitExp(ExitExp exp)      protected  Expression walkExpression(Expression exp)      public  Expression[] walkExps(Expression[] exps)      public  Expression[] walkExps(Expression[] exps, int n)      Call walk on the Expressions in an array. protected  Expression walkFluidLetExp(FluidLetExp exp)      protected  Expression walkIfExp(IfExp exp)      protected  Expression walkLambdaExp(LambdaExp exp)      protected  Expression walkLangExp(LangExp exp)      protected  Expression walkLetExp(LetExp exp)      protected  Expression walkModuleExp(ModuleExp exp)      protected  Expression walkObjectExp(ObjectExp exp)      protected  Expression walkQuoteExp(QuoteExp exp)      protected  Expression walkReferenceExp(ReferenceExp exp)      protected  Expression walkScopeExp(ScopeExp exp)      protected  Expression walkSetExp(SetExp exp)      protected  Expression walkSynchronizedExp(SynchronizedExp exp)      protected  Expression walkThisExp(ThisExp exp)      protected  Expression walkTryExp(TryExp exp)      Field Detail comp Compilation comp(Code) currentLambda protected LambdaExp currentLambda(Code) exitValue Object exitValue(Code) If exitValue is set to non-null, the walk stops. messages protected SourceMessages messages(Code) Method Detail error public void error(char kind, String message)(Code) getColumnNumber final public int getColumnNumber()(Code) getCompilation public Compilation getCompilation()(Code) Get the Compilation associated with this walker. getCurrentLambda final public LambdaExp getCurrentLambda()(Code) getFileName final public String getFileName()(Code) getLineNumber final public int getLineNumber()(Code) getMessages public SourceMessages getMessages()(Code) getPublicId public String getPublicId()(Code) getSystemId public String getSystemId()(Code) isStableSourceLocation public boolean isStableSourceLocation()(Code) Normally same as getSystemId. noteError public Expression noteError(String message)(Code) setColumn public void setColumn(int column)(Code) setContext public void setContext(Compilation comp)(Code) setFile public void setFile(String filename)(Code) setLine public void setLine(int line)(Code) setLine public void setLine(String filename, int line, int column)(Code) walk public Expression walk(Expression exp)(Code) Call the walk method of argument Expression. Could call Expression's walk directly, but this allows us to interpose a method call on each Expression. We use it to note the Expression's line number. Should not need to be overridden; if you do, you may also want to override walkExps. walkApplyExp protected Expression walkApplyExp(ApplyExp exp)(Code) walkBeginExp protected Expression walkBeginExp(BeginExp exp)(Code) walkBlockExp protected Expression walkBlockExp(BlockExp exp)(Code) walkClassExp protected Expression walkClassExp(ClassExp exp)(Code) walkDeclarationType final protected void walkDeclarationType(Declaration decl)(Code) walkDeclarationTypes final protected void walkDeclarationTypes(ScopeExp exp)(Code) walkDefaultArgs public void walkDefaultArgs(LambdaExp exp)(Code) walkExitExp protected Expression walkExitExp(ExitExp exp)(Code) walkExpression protected Expression walkExpression(Expression exp)(Code) walkExps public Expression[] walkExps(Expression[] exps)(Code) walkExps public Expression[] walkExps(Expression[] exps, int n)(Code) Call walk on the Expressions in an array. However, the walk method is inlined for speed. walkFluidLetExp protected Expression walkFluidLetExp(FluidLetExp exp)(Code) walkIfExp protected Expression walkIfExp(IfExp exp)(Code) walkLambdaExp protected Expression walkLambdaExp(LambdaExp exp)(Code) walkLangExp protected Expression walkLangExp(LangExp exp)(Code) walkLetExp protected Expression walkLetExp(LetExp exp)(Code) walkModuleExp protected Expression walkModuleExp(ModuleExp exp)(Code) walkObjectExp protected Expression walkObjectExp(ObjectExp exp)(Code) walkQuoteExp protected Expression walkQuoteExp(QuoteExp exp)(Code) walkReferenceExp protected Expression walkReferenceExp(ReferenceExp exp)(Code) walkScopeExp protected Expression walkScopeExp(ScopeExp exp)(Code) walkSetExp protected Expression walkSetExp(SetExp exp)(Code) walkSynchronizedExp protected Expression walkSynchronizedExp(SynchronizedExp exp)(Code) walkThisExp protected Expression walkThisExp(ThisExp exp)(Code) walkTryExp protected Expression walkTryExp(TryExp exp)(Code) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)