SimpleExpression

java.lang.Object
- cetus.hir.SimpleExpression

All Implemented Interfaces:

java.lang.Cloneable, java.lang.Comparable<SimpleExpression>, java.util.Comparator<SimpleExpression>

Direct Known Subclasses:

Symbolic
```
public class SimpleExpression
extends java.lang.Object
implements java.util.Comparator<SimpleExpression>, java.lang.Comparable<SimpleExpression>, java.lang.Cloneable
```
SimpleExpression is another form of representing an expression which is effective in symbolic manipulation. Expressions with commutative and associative operators are flattend for easier manipulation, and only a subset of the Cetus expressions is represented specifically with an abbreviated operator name. Other types are marked as general "TREE" whose children are recursively represented using SimpleExpression.

Method Summary

Methods
Modifier and Type	Method and Description
`SimpleExpression`	`clone()` Returns a clone of this simple expression.
`int`	`compare(SimpleExpression se1, SimpleExpression se2)` Returns if a simple expression is greater than, less than, or equal to the other.
`int`	`compareTo(SimpleExpression se)` Compares this simple expression with the given simple expression.
`boolean`	`equals(java.lang.Object o)` Checks if this simple expression is equal to the given object.
`static void`	`runtest(Program p)`
`java.lang.String`	`toString()` Returns a string representation of the simple expression.

Methods inherited from class java.lang.Object
getClass, hashCode, notify, notifyAll, wait, wait, wait

- Method Detail
  - toString
```
public java.lang.String toString()
```
    Returns a string representation of the simple expression.
    
    Overrides:
    
    toString in class java.lang.Object
    
    Returns:
    the string representation.
  - runtest
```
public static void runtest(Program p)
```
  - compareTo
```
public int compareTo(SimpleExpression se)
```
    Compares this simple expression with the given simple expression.
    
    Specified by:
    
    compareTo in interface java.lang.Comparable<SimpleExpression>
    
    Parameters:
    se - the given simple expression.
    
    Returns:
    the result of Expression.compareTo(Expression).
  - clone
```
public SimpleExpression clone()
```
    Returns a clone of this simple expression.
    
    Overrides:
    
    clone in class java.lang.Object
    
    Returns:
    a clone object.
  - equals
```
public boolean equals(java.lang.Object o)
```
    Checks if this simple expression is equal to the given object.
    
    Specified by:
    
    equals in interface java.util.Comparator<SimpleExpression>
    
    Overrides:
    
    equals in class java.lang.Object
    
    Parameters:
    o - the given object.
    
    Returns:
    true if it is, false otherwise.
  - compare
```
public int compare(SimpleExpression se1,
          SimpleExpression se2)
```
    Returns if a simple expression is greater than, less than, or equal to the other.
    
    Specified by:
    
    compare in interface java.util.Comparator<SimpleExpression>
    
    Parameters:
    se1 - the first simple expression.
    se2 - the second simple expression.
    
    Returns:
    the comparison result (-1, 0, 1).

Class SimpleExpression

Method Summary

Methods inherited from class java.lang.Object

Method Detail

toString

runtest

compareTo

clone

equals

compare