com.caucho.quercus.expr

Class ConstExpr

java.lang.Object

com.caucho.quercus.expr.Expr

com.caucho.quercus.expr.ConstExpr

public class ConstExpr
extends Expr

Represents a PHP constant expression.

Field Summary

Fields

Modifier and Type	Field and Description
protected java.lang.String	_var

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

COMPILE_ARG_MAX, NULL_ARGS

Constructor Summary

Constructors

Constructor and Description
ConstExpr(Location location, java.lang.String var)
ConstExpr(java.lang.String var)

Method Summary

Modifier and Type	Method and Description
Expr	createClassConst(QuercusParser parser, Expr name) Creates a class field Foo::$bar
Expr	createClassConst(QuercusParser parser, StringValue name) Creates a class field Foo::bar
Expr	createClassField(QuercusParser parser, Expr name) Creates a class field Foo::${bar}
Expr	createClassField(QuercusParser parser, StringValue name) Creates a class field Foo::$bar
Value	eval(Env env) Evaluates the expression.
Value	evalConstant() Returns true for literal
QuercusClass	evalQuercusClass(Env env) Evaluates as a QuercusClass.
java.lang.String	getVar() Returns the variable.
java.lang.String	toString()

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

assign, canRead, createAssign, createAssignFrom, createAssignRef, createCall, createCopy, createDeref, createFieldGet, createFieldGet, createIsset, createRef, createUnset, equals, evalArg, evalArgs, evalArray, evalArrayAssign, evalArrayAssignRef, evalArrayAssignRef, evalArrayAssignTail, evalAssignRef, evalAssignRef, evalAssignValue, evalAssignValue, evalBoolean, evalChar, evalConstantPrefix, evalConstantSuffix, evalCopy, evalDirty, evalDouble, evalEmpty, evalIsset, evalIssetValue, evalLong, evalObject, evalPostIncrement, evalPreIncrement, evalRef, evalString, evalStringValue, evalTop, evalUnsetArray, evalValue, evalVar, getFileName, getFunctionLocation, getLine, getLocation, getLocationLine, isArray, isAssign, isBoolean, isConstant, isDouble, isFalse, isLiteral, isLong, isNumber, isRef, isString, isTrue, isVar, print

Methods inherited from class java.lang.Object

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

Field Detail

_var

protected final java.lang.String _var

Constructor Detail

ConstExpr

public ConstExpr(Location location,
                 java.lang.String var)

ConstExpr

public ConstExpr(java.lang.String var)

Method Detail

getVar

public java.lang.String getVar()

Returns the variable.

createClassConst

public Expr createClassConst(QuercusParser parser,
                             StringValue name)

Creates a class field Foo::bar

Overrides:

createClassConst in class Expr

createClassConst

public Expr createClassConst(QuercusParser parser,
                             Expr name)

Creates a class field Foo::$bar

Overrides:

createClassConst in class Expr

createClassField

public Expr createClassField(QuercusParser parser,
                             StringValue name)

Creates a class field Foo::$bar

Overrides:

createClassField in class Expr

createClassField

public Expr createClassField(QuercusParser parser,
                             Expr name)

Creates a class field Foo::${bar}

Overrides:

createClassField in class Expr

evalConstant

public Value evalConstant()

Returns true for literal

Overrides:

evalConstant in class Expr

Returns:

the expression value.

eval

public Value eval(Env env)

Evaluates the expression.

Specified by:

eval in class Expr

Parameters:

env - the calling environment.

Returns:

the expression value.

evalQuercusClass

public QuercusClass evalQuercusClass(Env env)

Description copied from class: Expr

Evaluates as a QuercusClass.

Overrides:

evalQuercusClass in class Expr

toString

public java.lang.String toString()

Overrides:

toString in class Expr