com.caucho.quercus.expr
Class BinaryEqExpr

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

public class BinaryEqExpr
extends AbstractBinaryExpr

Represents a PHP equality testing 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
BinaryEqExpr(Expr left, Expr right)
           
BinaryEqExpr(Location location, Expr left, Expr right)
           
 
Method Summary
 Value eval(Env env)
          Evaluates the equality as a boolean.
 boolean evalBoolean(Env env)
          Evaluates the equality as a boolean.
 boolean isBoolean()
          Returns true if the expression evaluates to 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

BinaryEqExpr

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

BinaryEqExpr

public BinaryEqExpr(Expr left,
                    Expr right)
Method Detail

isBoolean

public boolean isBoolean()
Description copied from class: Expr
Returns true if the expression evaluates to a boolean.

Overrides:
isBoolean in class Expr

eval

public Value eval(Env env)
Evaluates the equality as a boolean.

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

evalBoolean

public boolean evalBoolean(Env env)
Evaluates the equality as a boolean.

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