com.caucho.quercus.expr
Class ThisExpr

java.lang.Object
  extended by com.caucho.quercus.expr.Expr
      extended by com.caucho.quercus.expr.AbstractVarExpr
          extended by 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