UnaryFunctionAnalyzer

java.lang.Object

picasso.parser.UnaryFunctionAnalyzer

All Implemented Interfaces:: SemanticAnalyzerInterface

Direct Known Subclasses:: FloorAnalyzer

public abstract class UnaryFunctionAnalyzer extends Object implements SemanticAnalyzerInterface

Parses a function that takes one expression as a parameter. XXX: Not sure if this class is necessary.

Author:: Sara Sprenkle

Constructor Summary

Constructors

Constructor

Description

UnaryFunctionAnalyzer()
Method Summary

Modifier and Type

Method

Description

abstract ExpressionTreeNode

generateExpressionTree(Stack<Token> tokens)

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- UnaryFunctionAnalyzer
  
  public UnaryFunctionAnalyzer()
Method Details
- generateExpressionTree
  
  public abstract ExpressionTreeNode generateExpressionTree(Stack<Token> tokens)
  
  Specified by:
  
  generateExpressionTree in interface SemanticAnalyzerInterface
  
  Parameters:
  
  tokens - in postfix order
  
  Returns:
  
  the root node for the expression represented by the top token