com.caucho.quercus.expr
Class ThisFieldExpr

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

Direct Known Subclasses:

ThisFieldExprPro

public class ThisFieldExpr
extends AbstractVarExpr

Represents a PHP field reference.

Field Summary

protected StringValue	_name
protected ThisExpr	_qThis

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

COMPILE_ARG_MAX

Constructor Summary

ThisFieldExpr(ThisExpr qThis, StringValue name)

Method Summary

Expr	createCall(QuercusParser parser, Location location, java.util.ArrayList<Expr> args) Creates a function call expression
Value	eval(Env env) Evaluates the expression.
Value	evalArg(Env env, boolean isTop) Evaluates the expression.
Value	evalArray(Env env) Evaluates the expression, creating an array if the value is unset..
Value	evalArrayAssign(Env env, Value index, Value value) Evaluates as an array index assign ($a[index] = value).
Value	evalAssignRef(Env env, Value value) Evaluates the expression.
Value	evalAssignValue(Env env, Value value) Evaluates the expression.
Value	evalCopy(Env env) Evaluates the expression.
Value	evalObject(Env env) Evaluates the expression, creating an array if the value is unset..
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, evalRef, isVar

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

canRead, createAssignFrom, createClassConst, createClassField, createClassField, createDeref, createFieldGet, createFieldGet, createIsset, evalArgs, 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

_qThis

protected final ThisExpr _qThis

_name

protected final StringValue _name

Constructor Detail

ThisFieldExpr

public ThisFieldExpr(ThisExpr qThis,
                     StringValue name)

Method Detail

createCall

public Expr createCall(QuercusParser parser,
                       Location location,
                       java.util.ArrayList<Expr> args)
                throws java.io.IOException

Creates a function call expression

Overrides:

createCall in class Expr

Throws:

java.io.IOException

eval

public Value eval(Env env)

Evaluates the expression.

Specified by:

eval in class AbstractVarExpr

Parameters:

env - the calling environment.

Returns:

the expression value.

evalCopy

public Value evalCopy(Env env)

Evaluates the expression.

Overrides:

evalCopy 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.

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.

evalArrayAssign

public Value evalArrayAssign(Env env,
                             Value index,
                             Value value)

Evaluates as an array index assign ($a[index] = value).

Overrides:

evalArrayAssign in class Expr

Returns:

what was assigned

evalArray

public Value evalArray(Env env)

Evaluates the expression, creating an array if the value is unset..

Overrides:

evalArray in class AbstractVarExpr

Parameters:

env - the calling environment.

Returns:

the expression value.

evalObject

public Value evalObject(Env env)

Evaluates the expression, creating an array if the value is unset..

Overrides:

evalObject 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