com.caucho.quercus.expr

Class BinarySubExpr

java.lang.Object

com.caucho.quercus.expr.Expr

com.caucho.quercus.expr.AbstractBinaryExpr

com.caucho.quercus.expr.BinarySubExpr

public class BinarySubExpr
extends AbstractBinaryExpr

A "$b - $a" subtract expression.

Field Summary

Fields inherited from class com.caucho.quercus.expr.AbstractBinaryExpr

_left, _right

Fields inherited from class com.caucho.quercus.expr.Expr

COMPILE_ARG_MAX, NULL_ARGS

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	BinarySubExpr(Expr left, Expr right)
protected	BinarySubExpr(Location location, Expr left, Expr right)

Method Summary

Modifier and Type	Method and Description
Value	eval(Env env) Evaluates the expression returning the expression value.
java.lang.String	toString()

Methods inherited from class com.caucho.quercus.expr.AbstractBinaryExpr

getLeft, getRight

Methods inherited from class com.caucho.quercus.expr.Expr

assign, canRead, createAssign, createAssignFrom, createAssignRef, createCall, createClassConst, createClassConst, createClassField, createClassField, createCopy, createDeref, createFieldGet, createFieldGet, createIsset, createRef, createUnset, equals, evalArg, evalArgs, evalArray, evalArrayAssign, evalArrayAssignRef, evalArrayAssignRef, evalArrayAssignTail, evalAssignRef, evalAssignRef, evalAssignValue, evalAssignValue, evalBoolean, evalChar, evalConstant, evalConstantPrefix, evalConstantSuffix, evalCopy, evalDirty, evalDouble, evalEmpty, evalIsset, evalIssetValue, evalLong, evalObject, evalPostIncrement, evalPreIncrement, evalQuercusClass, evalRef, evalString, evalStringValue, evalTop, evalUnsetArray, evalValue, evalVar, getFileName, getFunctionLocation, getLine, getLocation, getLocationLine, isArray, isAssign, isBoolean, isConstant, isDouble, isFalse, isLiteral, isLong, isNumber, isRef, isString, isTrue, isVar, print

Methods inherited from class java.lang.Object

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

Constructor Detail

BinarySubExpr

protected BinarySubExpr(Location location,
                        Expr left,
                        Expr right)

BinarySubExpr

protected BinarySubExpr(Expr left,
                        Expr right)

Method Detail

eval

public Value eval(Env env)

Evaluates the expression returning the expression value.

Specified by:

eval in class Expr

Parameters:

env - the quercus environment

Returns:

the resulting value

toString

public java.lang.String toString()

Overrides:

toString in class Expr