com.caucho.quercus.expr

Class BinaryCharAtExpr

java.lang.Object

com.caucho.quercus.expr.Expr

com.caucho.quercus.expr.AbstractVarExpr

com.caucho.quercus.expr.BinaryCharAtExpr

public class BinaryCharAtExpr
extends AbstractVarExpr

Represents the character at expression

Field Summary

Fields

Modifier and Type	Field and Description
protected Expr	_indexExpr
protected Expr	_objExpr

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

COMPILE_ARG_MAX, NULL_ARGS

Constructor Summary

Constructors

Constructor and Description
BinaryCharAtExpr(Expr objExpr, Expr indexExpr)
BinaryCharAtExpr(Location location, Expr objExpr, Expr indexExpr)

Method Summary

Modifier and Type	Method and Description
Value	eval(Env env) Evaluates the expression.
Value	evalArg(Env env, boolean isTop) Evaluates the expression.
Value	evalAssignRef(Env env, Value value) Evaluates the expression as an assignment.
void	evalUnset(Env env) Evaluates the expression.
Var	evalVar(Env env) Evaluates the expression.
java.lang.String	toString()

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

assign, createAssign, createAssignRef, createCopy, createRef, createUnset, evalArray, evalAssignValue, evalCopy, evalObject, evalRef, isVar

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

canRead, createAssignFrom, createCall, createClassConst, createClassConst, createClassField, createClassField, createDeref, createFieldGet, createFieldGet, createIsset, equals, evalArgs, evalArrayAssign, evalArrayAssignRef, evalArrayAssignRef, evalArrayAssignTail, evalAssignRef, evalAssignValue, evalBoolean, evalChar, evalConstant, evalConstantPrefix, evalConstantSuffix, evalDirty, evalDouble, evalEmpty, evalIsset, evalIssetValue, evalLong, evalPostIncrement, evalPreIncrement, evalQuercusClass, evalString, evalStringValue, evalTop, evalUnsetArray, evalValue, getFileName, getFunctionLocation, getLine, getLocation, getLocationLine, isArray, isAssign, isBoolean, isConstant, isDouble, isFalse, isLiteral, isLong, isNumber, isRef, isString, isTrue, print

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

_objExpr

protected final Expr _objExpr

_indexExpr

protected final Expr _indexExpr

Constructor Detail

BinaryCharAtExpr

public BinaryCharAtExpr(Location location,
                        Expr objExpr,
                        Expr indexExpr)

BinaryCharAtExpr

public BinaryCharAtExpr(Expr objExpr,
                        Expr indexExpr)

Method Detail

eval

public Value eval(Env env)

Evaluates the expression.

Specified by:

eval in class AbstractVarExpr

Parameters:

env - the calling environment.

Returns:

the expression value.

evalVar

public Var evalVar(Env env)

Evaluates the expression.

Specified by:

evalVar in class AbstractVarExpr

Parameters:

env - the calling environment.

Returns:

the expression value.

evalArg

public Value evalArg(Env env,
                     boolean isTop)

Evaluates the expression.

Overrides:

evalArg in class AbstractVarExpr

Parameters:

env - the calling environment.

Returns:

the expression value.

evalAssignRef

public Value evalAssignRef(Env env,
                           Value value)

Evaluates the expression as an assignment.

Specified by:

evalAssignRef in class AbstractVarExpr

Parameters:

env - the calling environment.

Returns:

the expression value.

evalUnset

public void evalUnset(Env env)

Evaluates the expression.

Specified by:

evalUnset in class AbstractVarExpr

Parameters:

env - the calling environment.

toString

public java.lang.String toString()

Overrides:

toString in class Expr