com.caucho.quercus.expr
Class BinaryAssignExpr

java.lang.Object
  com.caucho.quercus.expr.Expr
      com.caucho.quercus.expr.BinaryAssignExpr

Direct Known Subclasses:

BinaryAssignExprPro

public class BinaryAssignExpr
extends Expr

Represents a PHP assignment expression.

Field Summary

protected Expr	_value
protected AbstractVarExpr	_var

Fields inherited from class com.caucho.quercus.expr.Expr

COMPILE_ARG_MAX

Constructor Summary

BinaryAssignExpr(AbstractVarExpr var, Expr value)

BinaryAssignExpr(Location location, AbstractVarExpr var, Expr value)

Method Summary

Expr	createCopy(ExprFactory factory) Creates a assignment
Value	eval(Env env) Evaluates the expression.
Value	evalCopy(Env env) Evaluates the expression.
Value	evalRef(Env env) Evaluates the expression.
boolean	isAssign() Returns true if a static false value.
java.lang.String	toString()

Methods inherited from class com.caucho.quercus.expr.Expr

assign, canRead, createAssign, createAssignFrom, createAssignRef, createCall, createClassConst, createClassField, createClassField, createDeref, createFieldGet, createFieldGet, createIsset, createRef, createUnset, evalArg, evalArgs, evalArray, evalArrayAssign, evalAssignRef, evalAssignValue, evalBoolean, evalChar, evalConstant, evalConstantPrefix, evalConstantSuffix, evalDirty, evalDouble, evalIsset, evalLong, evalObject, evalPostIncrement, evalPreIncrement, evalString, evalStringValue, evalTop, evalUnsetArray, evalValue, evalVar, getFileName, getFunctionLocation, getLine, getLocation, getLocationLine, isArray, 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

_var

protected final AbstractVarExpr _var

_value

protected final Expr _value

Constructor Detail

BinaryAssignExpr

public BinaryAssignExpr(Location location,
                        AbstractVarExpr var,
                        Expr value)

BinaryAssignExpr

public BinaryAssignExpr(AbstractVarExpr var,
                        Expr value)

Method Detail

createCopy

public Expr createCopy(ExprFactory factory)

Creates a assignment

Overrides:

createCopy in class Expr

Parameters:

location -

isAssign

public boolean isAssign()

Returns true if a static false value.

Overrides:

isAssign 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.

evalCopy

public Value evalCopy(Env env)

Evaluates the expression.

Overrides:

evalCopy in class Expr

Parameters:

env - the calling environment.

Returns:

the expression value.

evalRef

public Value evalRef(Env env)

Evaluates the expression.

Overrides:

evalRef in class Expr

Parameters:

env - the calling environment.

Returns:

the expression value.

toString

public java.lang.String toString()

Overrides:

toString in class Expr