All Implemented Interfaces:

javax.xml.transform.SourceLocator, org.xml.sax.Locator

Direct Known Subclasses:

ExpExpVisitor, PushApply

public class ExpVisitor<R,D>
extends java.lang.Object
implements SourceLocator 

• Nested Class Summary

  • Nested classes/interfaces inherited from interface gnu.text.SourceLocator

    SourceLocator.Simple

• Field Summary

  Fields

  Modifier and Type	Field and Description
  protected LambdaExp	currentLambda
  protected java.lang.Object	exitValue If exitValue is set to non-null, the visit stops.
  protected SourceMessages	messages

• Constructor Summary

  Constructors

  Constructor and Description
  ExpVisitor ()

• Method Summary

  All Methods

  Modifier and Type	Method and Description
  protected R	defaultValue (Expression r, D d)
  void	error (char kind, java.lang.String message)
  int	getColumnNumber () Return current column number.
  Compilation	getCompilation () Get the Compilation associated with this visitor.
  LambdaExp	getCurrentLambda ()
  int	getEndColumn () Column (one-origin) of end of range; unknown/unspecified is -1.
  int	getEndLine () Line number (one-origin) of end of range; unknown/unspecified is -1.
  java.lang.Object	getExitValue ()
  java.lang.String	getFileName () Normally same as getSystemId.
  Language	getLanguage ()
  int	getLineNumber () Return current line number.
  SourceMessages	getMessages ()
  java.lang.String	getPublicId ()
  int	getStartColumn () Column (one-origin) of start of range; unknown/unspecified is -1.
  int	getStartLine () Line number (one-origin) of start of range; unknown/unspecified is -1.
  java.lang.String	getSystemId ()
  boolean	isStableSourceLocation () Normally same as getSystemId.
  Expression	noteError (java.lang.String message)
  void	setColumn (int column)
  void	setContext (Compilation comp)
  void	setFile (java.lang.String filename)
  void	setLine (int line)
  void	setLine (java.lang.String filename, int line, int column)
  protected Expression	update (Expression exp, R r)
  R	visit (Expression exp, D d) Call the visit method of argument Expression.
  static <R,D> R	visit (ExpVisitor<R,D> visitor, Expression exp, D d)
  Expression	visitAndUpdate (Expression exp, D d)
  protected R	visitApplyExp (ApplyExp exp, D d)
  protected R	visitBeginExp (BeginExp exp, D d)
  protected R	visitBlockExp (BlockExp exp, D d)
  protected R	visitCaseExp (CaseExp exp, D d)
  protected R	visitClassExp (ClassExp exp, D d)
  protected void	visitDeclarationType (Declaration decl)
  protected void	visitDeclarationTypes (ScopeExp exp)
  void	visitDefaultArgs (LambdaExp exp, D d)
  protected R	visitExitExp (ExitExp exp, D d)
  protected R	visitExpression (Expression exp, D d)
  Expression[]	visitExps (Expression[] exps, D d)
  Expression[]	visitExps (Expression[] exps, int n, D d) Call visit on the Expressions in an array.
  protected R	visitFluidLetExp (FluidLetExp exp, D d)
  protected R	visitIfExp (IfExp exp, D d)
  protected R	visitLambdaExp (LambdaExp exp, D d)
  protected R	visitLangExp (LangExp exp, D d)
  protected R	visitLetExp (LetExp exp, D d)
  protected R	visitModuleExp (ModuleExp exp, D d)
  protected R	visitObjectExp (ObjectExp exp, D d)
  protected R	visitQuoteExp (QuoteExp exp, D d)
  protected R	visitReferenceExp (ReferenceExp exp, D d)
  protected R	visitScopeExp (ScopeExp exp, D d)
  protected R	visitSetExp (SetExp exp, D d)
  protected R	visitSynchronizedExp (SynchronizedExp exp, D d)
  protected R	visitThisExp (ThisExp exp, D d)
  protected R	visitTryExp (TryExp exp, D d)

  • Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

• Field Detail

  • messages

    protected SourceMessages messages

  • currentLambda

    protected LambdaExp currentLambda

  • exitValue

    protected java.lang.Object exitValue

    If exitValue is set to non-null, the visit stops.

• Constructor Detail

  • ExpVisitor

    public ExpVisitor()

• Method Detail

  • getCompilation

    public Compilation getCompilation()

    Get the Compilation associated with this visitor.

  • getLanguage

    public Language getLanguage()

  • getMessages

    public SourceMessages getMessages()

  • defaultValue

    protected R defaultValue(Expression r,
     D d)

  • visitExpression

    protected R visitExpression(Expression exp,
     D d)

  • setContext

    public void setContext(Compilation comp)

  • visit

    public R visit(Expression exp,
     D d)

    Call the visit method of argument Expression. Could call Expression's visit 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 visitExps.

  • visit

    public static <R,D> R visit(ExpVisitor<R,D> visitor,
     Expression exp,
     D d)

  • update

    protected Expression update(Expression exp,
     R r)

  • visitApplyExp

    protected R visitApplyExp(ApplyExp exp,
     D d)

  • visitIfExp

    protected R visitIfExp(IfExp exp,
     D d)

  • visitCaseExp

    protected R visitCaseExp(CaseExp exp,
     D d)

  • visitDeclarationType

    protected void visitDeclarationType(Declaration decl)

  • visitDeclarationTypes

    protected final void visitDeclarationTypes(ScopeExp exp)

  • visitScopeExp

    protected R visitScopeExp(ScopeExp exp,
     D d)

  • visitLetExp

    protected R visitLetExp(LetExp exp,
     D d)

  • visitLambdaExp

    protected R visitLambdaExp(LambdaExp exp,
     D d)

  • visitClassExp

    protected R visitClassExp(ClassExp exp,
     D d)

  • visitObjectExp

    protected R visitObjectExp(ObjectExp exp,
     D d)

  • visitModuleExp

    protected R visitModuleExp(ModuleExp exp,
     D d)

  • visitSetExp

    protected R visitSetExp(SetExp exp,
     D d)

  • visitTryExp

    protected R visitTryExp(TryExp exp,
     D d)

  • visitBeginExp

    protected R visitBeginExp(BeginExp exp,
     D d)

  • visitQuoteExp

    protected R visitQuoteExp(QuoteExp exp,
     D d)

  • visitReferenceExp

    protected R visitReferenceExp(ReferenceExp exp,
     D d)

  • visitThisExp

    protected R visitThisExp(ThisExp exp,
     D d)

  • visitSynchronizedExp

    protected R visitSynchronizedExp(SynchronizedExp exp,
     D d)

  • visitBlockExp

    protected R visitBlockExp(BlockExp exp,
     D d)

  • visitExitExp

    protected R visitExitExp(ExitExp exp,
     D d)

  • visitFluidLetExp

    protected R visitFluidLetExp(FluidLetExp exp,
     D d)

  • visitLangExp

    protected R visitLangExp(LangExp exp,
     D d)

  • getExitValue

    public java.lang.Object getExitValue()

  • getCurrentLambda

    public final LambdaExp getCurrentLambda()

  • visitAndUpdate

    public Expression visitAndUpdate(Expression exp,
     D d)

  • visitExps

    public Expression[] visitExps(Expression[] exps,
     D d)

  • visitExps

    public Expression[] visitExps(Expression[] exps,
     int n,
     D d)

    Call visit on the Expressions in an array. However, the visit method is inlined for speed.

  • visitDefaultArgs

    public void visitDefaultArgs(LambdaExp exp,
     D d)

  • error

    public void error(char kind,
     java.lang.String message)

  • noteError

    public Expression noteError(java.lang.String message)

  • getFileName

    public final java.lang.String getFileName()

    Description copied from interface: SourceLocator
    Normally same as getSystemId.

  • getLineNumber

    public final int getLineNumber()

    Description copied from interface: SourceLocator
    Return current line number. Normally the same as getStartLine(). The "first" line is line 1; unknown is -1.

    Specified by:

    getLineNumber in interface javax.xml.transform.SourceLocator

    Specified by:

    getLineNumber in interface org.xml.sax.Locator

  • getColumnNumber

    public final int getColumnNumber()

    Description copied from interface: SourceLocator
    Return current column number. Normally the same as getStartColumn(). The "first" column is column 1; unknown is -1.

    Specified by:

    getColumnNumber in interface javax.xml.transform.SourceLocator

    Specified by:

    getColumnNumber in interface org.xml.sax.Locator

  • getStartLine

    public final int getStartLine()

    Description copied from interface: SourceLocator
    Line number (one-origin) of start of range; unknown/unspecified is -1.

  • getStartColumn

    public final int getStartColumn()

    Description copied from interface: SourceLocator
    Column (one-origin) of start of range; unknown/unspecified is -1.

  • getEndLine

    public final int getEndLine()

    Description copied from interface: SourceLocator
    Line number (one-origin) of end of range; unknown/unspecified is -1.

  • getEndColumn

    public final int getEndColumn()

    Description copied from interface: SourceLocator
    Column (one-origin) of end of range; unknown/unspecified is -1.

  • getPublicId

    public java.lang.String getPublicId()

    Specified by:

    getPublicId in interface javax.xml.transform.SourceLocator

    Specified by:

    getPublicId in interface org.xml.sax.Locator

  • getSystemId

    public java.lang.String getSystemId()

    Specified by:

    getSystemId in interface javax.xml.transform.SourceLocator

    Specified by:

    getSystemId in interface org.xml.sax.Locator

  • isStableSourceLocation

    public boolean isStableSourceLocation()

    Normally same as getSystemId.

  • setFile

    public void setFile(java.lang.String filename)

  • setLine

    public void setLine(int line)

  • setColumn

    public void setColumn(int column)

  • setLine

    public void setLine(java.lang.String filename,
     int line,
     int column)