com.caucho.quercus.expr
Class ArrayGetExpr

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

Direct Known Subclasses:

ArrayGetExprPro, ArrayGetGetExprPro

public class ArrayGetExpr
extends AbstractVarExpr

Represents a PHP array reference expression.

Field Summary

protected Expr	_expr
protected Expr	_index

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

COMPILE_ARG_MAX

Constructor Summary

ArrayGetExpr(Expr expr, Expr index)

ArrayGetExpr(Location location, Expr expr, Expr index)

Method Summary

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	evalAssignRef(Env env, Value value) Evaluates the expression.
Value	evalAssignValue(Env env, Value value) Evaluates the expression.
Value	evalCopy(Env env) Evaluates the expression as a copyable result.
Value	evalDirty(Env env) Evaluates the expression, marking as dirty.
boolean	evalIsset(Env env) Evaluates the expression as an isset().
Value	evalObject(Env env) Evaluates the expression, creating an object if the value is unset.
void	evalUnset(Env env) Evaluates the expression.
Var	evalVar(Env env) Evaluates the expression.
Expr	getExpr() Returns the expr.
Expr	getIndex() Returns the index.
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, createCall, createClassConst, createClassField, createClassField, createDeref, createFieldGet, createFieldGet, createIsset, evalArgs, evalArrayAssign, evalBoolean, evalChar, evalConstant, evalConstantPrefix, evalConstantSuffix, evalDouble, 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

_expr

protected final Expr _expr

_index

protected final Expr _index

Constructor Detail

ArrayGetExpr

public ArrayGetExpr(Location location,
                    Expr expr,
                    Expr index)

ArrayGetExpr

public ArrayGetExpr(Expr expr,
                    Expr index)

Method Detail

getExpr

public Expr getExpr()

Returns the expr.

getIndex

public Expr getIndex()

Returns the index.

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 as a copyable result.

Overrides:

evalCopy in class AbstractVarExpr

Parameters:

env - the calling environment.

Returns:

the expression value.

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.

evalDirty

public Value evalDirty(Env env)

Evaluates the expression, marking as dirty.

Overrides:

evalDirty in class Expr

Parameters:

env - the calling environment.

Returns:

the expression value.

evalObject

public Value evalObject(Env env)

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

Overrides:

evalObject 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.

evalIsset

public boolean evalIsset(Env env)

Evaluates the expression as an isset().

Overrides:

evalIsset in class Expr

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