com.caucho.quercus.expr
Class BinaryCommaExpr

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

public class BinaryCommaExpr
extends AbstractBinaryExpr

A "($foo, $bar)" comma expression (evaluates all and returns first).


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
BinaryCommaExpr(Expr left, Expr right)
           
BinaryCommaExpr(Location location, Expr left, Expr right)
           
 
Method Summary
 Value eval(Env env)
          Evaluates the expression.
 boolean evalBoolean(Env env)
          Evaluates the expression.
 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, 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
 

Constructor Detail

BinaryCommaExpr

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

BinaryCommaExpr

public BinaryCommaExpr(Expr left,
                       Expr right)
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.

toString

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