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Java Source Code / Java Documentation » Scripting » Nice » gnu.expr 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   gnu.expr.Parser

Parser
public class Parser (Code)
A very abstract "parser". Converts some input representation to Expression trees.


Field Summary
protected  intcurrent_column
    
protected  Stringcurrent_filename
    
protected  intcurrent_line
    
protected  ScopeExpcurrent_scope
    
public  booleanimmediate
     If doing immediate evaluation.
protected  SourceMessagesmessages
    

Constructor Summary
public  Parser(SourceMessages messages)
    

Method Summary
public  LambdaExpcurrentLambda()
    
public  ModuleExpcurrentModule()
    
public  ScopeExpcurrentScope()
    
public  voiderror(char severity, String message)
    
public  voiderror(char severity, Declaration decl, String msg1, String msg2)
    
final public  intgetColumn()
    
final public  StringgetFile()
    
public  InterpretergetInterpreter()
    
final public  intgetLine()
    
public  SourceMessagesgetMessages()
    
public  Declarationlookup(String name, int namespace)
    
public  voidmustCompileHere()
     Note that we have seen a construct that must be compiled, not evaluated.
public  Expressionparse(Object input)
     This may not make sense, except for Lisp-like languages. For those, 'input' an s-expression from the reader.
public  voidpop(ScopeExp scope)
    
final public  voidpop()
    
public  voidpush(ScopeExp scope)
    
public  voidsetColumn(int column)
    
public  voidsetFile(String filename)
    
public  voidsetLine(int line)
    
public  voidsetLine(String filename, int line, int column)
    
public  voidsetMessages(SourceMessages messages)
    

Field Detail
current_column
protected int current_column(Code)



current_filename
protected String current_filename(Code)



current_line
protected int current_line(Code)



current_scope
protected ScopeExp current_scope(Code)



immediate
public boolean immediate(Code)
If doing immediate evaluation.



messages
protected SourceMessages messages(Code)




Constructor Detail
Parser
public Parser(SourceMessages messages)(Code)




Method Detail
currentLambda
public LambdaExp currentLambda()(Code)



currentModule
public ModuleExp currentModule()(Code)



currentScope
public ScopeExp currentScope()(Code)



error
public void error(char severity, String message)(Code)



error
public void error(char severity, Declaration decl, String msg1, String msg2)(Code)



getColumn
final public int getColumn()(Code)



getFile
final public String getFile()(Code)



getInterpreter
public Interpreter getInterpreter()(Code)



getLine
final public int getLine()(Code)



getMessages
public SourceMessages getMessages()(Code)



lookup
public Declaration lookup(String name, int namespace)(Code)



mustCompileHere
public void mustCompileHere()(Code)
Note that we have seen a construct that must be compiled, not evaluated. If we are not inside a lambda (which is always compiled), but only inside the outer-most ModuleExp, note that it must be compiled.



parse
public Expression parse(Object input)(Code)
This may not make sense, except for Lisp-like languages. For those, 'input' an s-expression from the reader.



pop
public void pop(ScopeExp scope)(Code)



pop
final public void pop()(Code)



push
public void push(ScopeExp scope)(Code)



setColumn
public void setColumn(int column)(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)



setMessages
public void setMessages(SourceMessages messages)(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)

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