fmrisc.Syntax
Class SelectionTerm

java.lang.Object
  extended by fmrisc.Syntax.ASTBase
      extended by fmrisc.Syntax.ExpressionBase
          extended by fmrisc.Syntax.SelectionTerm
All Implemented Interfaces:
AST, Expression

public final class SelectionTerm
extends ExpressionBase

Handling of component access by index selections.


Constructor Summary
SelectionTerm(Expression base1, Selector base2)
          construct component selection from base1 and base2
 
Method Summary
 AST accept(ASTVisitor visitor)
          Accept visitor for a visit.
 Expression getBase()
          get base expression
 int getPriority()
          get binding level for printing (lower numbers mean greater binding power)
 Selector getSelector()
          get selector
 Expression instantiate()
          return copy of AST with value references instantiated by the substitutions set in the corresponding declaration identifiers
 void printCore(java.io.PrintWriter out)
          Prints text representation on out (without new line termination).
 
Methods inherited from class fmrisc.Syntax.ExpressionBase
printPriority
 
Methods inherited from class fmrisc.Syntax.ASTBase
print, printParens, toString
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface fmrisc.Syntax.AST
print, printParens, toString
 

Constructor Detail

SelectionTerm

public SelectionTerm(Expression base1,
                     Selector base2)
construct component selection from base1 and base2

Parameters:
base1 - the compound object
base2 - the selector
Method Detail

getPriority

public int getPriority()
get binding level for printing (lower numbers mean greater binding power)

Specified by:
getPriority in interface Expression
Specified by:
getPriority in class ExpressionBase
Returns:
the priority level

getBase

public Expression getBase()
get base expression

Returns:
the base expression

getSelector

public Selector getSelector()
get selector

Returns:
the selector expression

instantiate

public Expression instantiate()
return copy of AST with value references instantiated by the substitutions set in the corresponding declaration identifiers

Returns:
the instantiated copy

printCore

public void printCore(java.io.PrintWriter out)
Prints text representation on out (without new line termination).

Specified by:
printCore in interface AST
Specified by:
printCore in class ASTBase
Parameters:
out - the stream on which the text is written

accept

public AST accept(ASTVisitor visitor)
Accept visitor for a visit.

Parameters:
visitor - the visitor who is accepted by this node.
Returns:
the result of the visit (may be nul