com.caucho.quercus.expr
Class BinaryAddExpr

java.lang.Object
  extended by com.caucho.quercus.expr.Expr
      extended by com.caucho.quercus.expr.AbstractBinaryExpr
          extended by com.caucho.quercus.expr.BinaryAddExpr
Direct Known Subclasses:
BinaryAddExprPro

public class BinaryAddExpr
extends AbstractBinaryExpr

Represents a PHP add 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
 
Constructor Summary
protected BinaryAddExpr(Expr left, Expr right)
           
protected BinaryAddExpr(Location location, Expr left, Expr right)
           
 
Method Summary
 Value eval(Env env)
          Evaluates the expression, returning a Value, never a Var.
 boolean isDouble()
          Return true for a double value
 boolean isLong()
          Return true for a long value
 boolean isNumber()
          Return true for a number
 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, createClassField, createClassField, createCopy, createDeref, createFieldGet, createFieldGet, createIsset, createRef, createUnset, evalArg, evalArgs, evalArray, evalArrayAssign, evalAssignRef, evalAssignValue, evalBoolean, evalChar, evalConstant, evalConstantPrefix, evalConstantSuffix, evalCopy, evalDirty, evalDouble, evalIsset, evalLong, evalObject, evalPostIncrement, evalPreIncrement, evalRef, evalString, evalStringValue, evalTop, evalUnsetArray, evalValue, evalVar, getFileName, getFunctionLocation, getLine, getLocation, getLocationLine, isArray, isAssign, isBoolean, isConstant, isFalse, isLiteral, isRef, isString, isTrue, isVar, print
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

BinaryAddExpr

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

BinaryAddExpr

protected BinaryAddExpr(Expr left,
                        Expr right)
Method Detail

eval

public Value eval(Env env)
Description copied from class: Expr
Evaluates the expression, returning a Value, never a Var.

Specified by:
eval in class Expr
Parameters:
env - the calling environment.
Returns:
the expression value.

isDouble

public boolean isDouble()
Return true for a double value

Overrides:
isDouble in class Expr

isLong

public boolean isLong()
Return true for a long value

Overrides:
isLong in class Expr

isNumber

public boolean isNumber()
Return true for a number

Overrides:
isNumber in class Expr

toString

public java.lang.String toString()
Overrides:
toString in class Expr