com.caucho.quercus.expr
Class ConstExpr

java.lang.Object
  com.caucho.quercus.expr.Expr
      com.caucho.quercus.expr.ConstExpr

Direct Known Subclasses:

ConstExprPro

public class ConstExpr
extends Expr

Represents a PHP constant expression.

Field Summary

protected java.lang.String

_var

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

COMPILE_ARG_MAX

Constructor Summary

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

ConstExpr(java.lang.String var)

Method Summary

Expr	createClassConst(QuercusParser parser, java.lang.String name) Creates a class field Foo::bar
Expr	createClassField(QuercusParser parser, Expr name) Creates a class field Foo::${bar}
Expr	createClassField(QuercusParser parser, java.lang.String name) Creates a class field Foo::$bar
Value	eval(Env env) Evaluates the expression.
Value	evalConstant() Returns true for literal
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, evalArg, evalArgs, evalArray, evalArrayAssign, evalAssignRef, evalAssignValue, evalBoolean, evalChar, evalConstantPrefix, evalConstantSuffix, evalCopy, evalDirty, evalDouble, evalIsset, 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, equals, 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,
                             java.lang.String name)

Creates a class field Foo::bar

Overrides:

createClassConst in class Expr

createClassField

public Expr createClassField(QuercusParser parser,
                             java.lang.String 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.

toString

public java.lang.String toString()

Overrides:

toString in class Expr