com.caucho.quercus.expr
Class ThisExpr

java.lang.Object
  com.caucho.quercus.expr.Expr
      com.caucho.quercus.expr.AbstractVarExpr
          com.caucho.quercus.expr.ThisExpr

Direct Known Subclasses:

ThisExprPro

public class ThisExpr
extends AbstractVarExpr

Represents the 'this' expression.

Field Summary

protected InterpretedClassDef

_quercusClass

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

COMPILE_ARG_MAX

Constructor Summary

ThisExpr(InterpretedClassDef quercusClass)

Method Summary

Expr	createFieldGet(ExprFactory factory, Expr name) Creates a field ref
Expr	createFieldGet(ExprFactory factory, StringValue name) Creates a field ref
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.
Value	evalAssignValue(Env env, Value value) Evaluates the expression.
void	evalUnset(Env env) Evaluates the expression.
Var	evalVar(Env env) Evaluates the expression.
InterpretedClassDef	getQuercusClass()
java.lang.String	toString()

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

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

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

canRead, createAssignFrom, createCall, createClassConst, createClassField, createClassField, createDeref, createIsset, evalArgs, evalArrayAssign, evalBoolean, evalChar, evalConstant, evalConstantPrefix, evalConstantSuffix, evalDirty, evalDouble, evalIsset, evalLong, evalPostIncrement, evalPreIncrement, 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, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

_quercusClass

protected final InterpretedClassDef _quercusClass

Constructor Detail

ThisExpr

public ThisExpr(InterpretedClassDef quercusClass)

Method Detail

getQuercusClass

public InterpretedClassDef getQuercusClass()

createFieldGet

public Expr createFieldGet(ExprFactory factory,
                           StringValue name)

Creates a field ref

Overrides:

createFieldGet in class Expr

createFieldGet

public Expr createFieldGet(ExprFactory factory,
                           Expr name)

Creates a field ref

Overrides:

createFieldGet in class Expr

eval

public Value eval(Env env)

Evaluates the expression.

Specified by:

eval 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.

evalVar

public Var evalVar(Env env)

Evaluates the expression.

Specified by:

evalVar in class AbstractVarExpr

Parameters:

env - the calling environment.

Returns:

the expression value.

evalAssignValue

public Value evalAssignValue(Env env,
                             Value value)

Evaluates the expression.

Overrides:

evalAssignValue in class AbstractVarExpr

Parameters:

env - the calling environment.

Returns:

the expression value.

evalAssignRef

public Value evalAssignRef(Env env,
                           Value value)

Evaluates the expression.

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