com.caucho.quercus.expr
Class BinaryAndExpr

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

public class BinaryAndExpr
extends AbstractBinaryExpr

Represents a logical and 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
BinaryAndExpr(Expr left, Expr right)
           
BinaryAndExpr(Location location, Expr left, Expr right)
           
 
Method Summary
 Value eval(Env env)
          Evaluates the expression.
 boolean evalBoolean(Env env)
          Evaluates the expression.
 boolean isBoolean()
          Returns true for a boolean.
 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, 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, isConstant, isDouble, isFalse, isLiteral, isLong, isNumber, isRef, isString, isTrue, isVar, print
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

BinaryAndExpr

public BinaryAndExpr(Location location,
                     Expr left,
                     Expr right)

BinaryAndExpr

public BinaryAndExpr(Expr left,
                     Expr right)
Method Detail

isBoolean

public boolean isBoolean()
Returns true for a boolean.

Overrides:
isBoolean in class Expr

eval

public Value eval(Env env)
Evaluates the expression.

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

evalBoolean

public boolean evalBoolean(Env env)
Evaluates the expression.

Overrides:
evalBoolean in class Expr
Parameters:
env - the calling environment.
Returns:
the expression value.

toString

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