com.caucho.quercus.expr
Class VarExprPro

java.lang.Object
  com.caucho.quercus.expr.Expr
      com.caucho.quercus.expr.AbstractVarExpr
          com.caucho.quercus.expr.VarExpr
              com.caucho.quercus.expr.VarExprPro

All Implemented Interfaces:

ExprPro

Direct Known Subclasses:

VarTempExprPro

public class VarExprPro
extends VarExpr
implements ExprPro

Represents a PHP variable expression.

Field Summary

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

_name

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

COMPILE_ARG_MAX

Constructor Summary

VarExprPro(InfoVarPro var)

Method Summary

VarExprPro	analyzeMerge(VarExprPro mergeVar) Sets the assignment state of the variable.
VarExprPro	analyzeVarState(VarState state) Sets the assignment state of the variable.
void	assign(QuercusParser parser) Creates the assignment.
Expr	copy(Location location) Copy for things like $a .= "test";
Expr	createAssignRef(QuercusParser parser, Expr value) Creates the assignment.
ExprGenerator	getGenerator() Returns the expression's generator.
void	getVariables(java.util.HashSet<VarExpr> vars) Returns the variables used in the expression
InfoVarPro	getVarInfo() Returns the variable info.
VarState	getVarState() Returns the assignment state of the variable.
VarState	getVarState(VarExpr var, VarExpr owner) Returns the variables state.
boolean	isValue()
void	setInitializedVar(boolean isInit)
void	setVarState(VarState state) Sets the assignment state of the variable.

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

createAssign, equals, eval, evalArg, evalArray, evalAssignRef, evalAssignValue, evalCopy, evalIsset, evalObject, evalTop, evalUnset, evalVar, getJavaVar, getName, hashCode, toString

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

createCopy, createRef, createUnset, evalRef, isVar

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

canRead, createAssignFrom, createCall, createClassConst, createClassField, createClassField, createDeref, createFieldGet, createFieldGet, createIsset, evalArgs, evalArrayAssign, evalBoolean, evalChar, evalConstant, evalConstantPrefix, evalConstantSuffix, evalDirty, evalDouble, evalLong, evalPostIncrement, evalPreIncrement, evalString, evalStringValue, 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, notify, notifyAll, wait, wait, wait

Constructor Detail

VarExprPro

public VarExprPro(InfoVarPro var)

Method Detail

getVarInfo

public InfoVarPro getVarInfo()

Returns the variable info.

Overrides:

getVarInfo in class VarExpr

isValue

public boolean isValue()

copy

public Expr copy(Location location)

Copy for things like $a .= "test";

Overrides:

copy in class VarExpr

Parameters:

location -

assign

public void assign(QuercusParser parser)

Creates the assignment.

Overrides:

assign in class VarExpr

createAssignRef

public Expr createAssignRef(QuercusParser parser,
                            Expr value)

Creates the assignment.

Overrides:

createAssignRef in class VarExpr

analyzeVarState

public VarExprPro analyzeVarState(VarState state)

Sets the assignment state of the variable.

getVariables

public void getVariables(java.util.HashSet<VarExpr> vars)

Returns the variables used in the expression

Parameters:

vars - the variables used in the function

getVarState

public VarState getVarState()

Returns the assignment state of the variable.

setVarState

public void setVarState(VarState state)

Sets the assignment state of the variable.

analyzeMerge

public VarExprPro analyzeMerge(VarExprPro mergeVar)

Sets the assignment state of the variable.

getVarState

public VarState getVarState(VarExpr var,
                            VarExpr owner)

Returns the variables state.

Parameters:

var - the variables to test

owner - the owning expression

setInitializedVar

public void setInitializedVar(boolean isInit)

getGenerator

public ExprGenerator getGenerator()

Description copied from interface: ExprPro

Returns the expression's generator.

Specified by:

getGenerator in interface ExprPro