com.caucho.quercus.expr
Class ConditionalExpr

java.lang.Object
  extended by com.caucho.quercus.expr.Expr
      extended by com.caucho.quercus.expr.ConditionalExpr
Direct Known Subclasses:
ConditionalExprPro

public class ConditionalExpr
extends Expr

Represents a conditional expression.


Field Summary
protected  Expr _falseExpr
           
protected  Expr _test
           
protected  Expr _trueExpr
           
 
Fields inherited from class com.caucho.quercus.expr.Expr
COMPILE_ARG_MAX
 
Constructor Summary
ConditionalExpr(Expr test, Expr trueExpr, Expr falseExpr)
           
ConditionalExpr(Location location, Expr test, Expr trueExpr, Expr falseExpr)
           
 
Method Summary
 Value eval(Env env)
          Evaluates the expression.
 boolean evalBoolean(Env env)
          Evaluates the expression.
 Value evalCopy(Env env)
          Evaluates the expression.
 java.lang.String toString()
           
 
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, evalDirty, evalDouble, evalIsset, evalLong, evalObject, evalPostIncrement, evalPreIncrement, 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, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

_test

protected final Expr _test

_trueExpr

protected final Expr _trueExpr

_falseExpr

protected final Expr _falseExpr
Constructor Detail

ConditionalExpr

public ConditionalExpr(Location location,
                       Expr test,
                       Expr trueExpr,
                       Expr falseExpr)

ConditionalExpr

public ConditionalExpr(Expr test,
                       Expr trueExpr,
                       Expr falseExpr)
Method Detail

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.

evalCopy

public Value evalCopy(Env env)
Evaluates the expression.

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

toString

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