Package org.mvel2.optimizers

Class AbstractOptimizer

java.lang.Object

org.mvel2.compiler.AbstractParser

org.mvel2.optimizers.AbstractOptimizer

All Implemented Interfaces:

Serializable, Parser

Direct Known Subclasses:

ASMAccessorOptimizer, DynamicOptimizer, PropertyVerifier, ReflectiveAccessorOptimizer

public class AbstractOptimizer
extends AbstractParser

Author:

Christopher Brock

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected static int	BEAN
protected static int	COL
protected boolean	collection
protected Class	currType
protected static int	METH
protected boolean	nullSafe
protected boolean	staticAccess
protected int	tkStart
protected static int	WITH

Fields inherited from class org.mvel2.compiler.AbstractParser

CLASS_LITERALS, compileMode, ctx, cursor, debugSymbols, dStack, end, expr, fields, GET, GET_OR_CREATE, greedy, lastLineStart, lastNode, lastWasComment, lastWasIdentifier, lastWasLineLabel, lastWasVar, length, LEVEL_0_PROPERTY_ONLY, LEVEL_1_BASIC_LANG, LEVEL_2_MULTI_STATEMENT, LEVEL_3_ITERATION, LEVEL_4_ASSIGNMENT, LEVEL_5_CONTROL_FLOW, line, literalOnly, LITERALS, OP_CONTINUE, OP_NOT_LITERAL, OP_OVERFLOW, OP_RESET_FRAME, OP_TERMINATE, OPERATORS, pCtx, REMOVE, SET, splitAccumulator, st, start, stk, variableFactory

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractOptimizer()
protected	AbstractOptimizer(ParserContext pCtx)

Method Summary

Modifier and Type	Method	Description
protected String	capture()
protected int	findLastUnion()
protected int	nextSubToken()
protected boolean	scanTo(char c)
protected Object	tryStaticAccess()	Try static access of the property, and return an instance of the Field, Method of Class if successful.
protected void	whiteSpaceSkip()	Skip to the next non-whitespace position.

Methods inherited from class org.mvel2.compiler.AbstractParser

addFatalError, addFatalError, arithmeticFunctionReduction, captureIdentifier, captureToEOS, captureToEOSorEOL, captureToEOT, captureToNextTokenJunction, expectEOS, expectNextChar_IW, getCursor, getExpression, handleSubstatement, handleUnion, ifThenElseBlockContinues, incNextNonBlank, isArithmeticOperator, isNextIdentifier, isNextIdentifierOrLiteral, isStatementNotManuallyTerminated, lastNonWhite, loadLanguageFeaturesByLevel, lookAhead, lookAhead, lookBehind, lookToLast, nextNonBlank, nextToken, nextTokenSkipSymbols, reduce, setExpression, setExpression, setLanguageLevel, setupParser, skipWhitespace, tokenContinues, trimLeft, trimRight, trimWhitespace

Methods inherited from class java.lang.Object

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

Field Detail

BEAN

protected static final int BEAN

See Also:

Constant Field Values

METH

protected static final int METH

See Also:

Constant Field Values

COL

protected static final int COL

See Also:

Constant Field Values

WITH

protected static final int WITH

See Also:

Constant Field Values

collection

protected boolean collection

nullSafe

protected boolean nullSafe

currType

protected Class currType

staticAccess

protected boolean staticAccess

tkStart

protected int tkStart

Constructor Detail

AbstractOptimizer

protected AbstractOptimizer()

AbstractOptimizer

protected AbstractOptimizer(ParserContext pCtx)

Method Detail

tryStaticAccess

protected Object tryStaticAccess()

Try static access of the property, and return an instance of the Field, Method of Class if successful.

Returns:

- Field, Method or Class instance.

nextSubToken

protected int nextSubToken()

capture

protected String capture()

whiteSpaceSkip

protected void whiteSpaceSkip()

Skip to the next non-whitespace position.

scanTo

protected boolean scanTo(char c)

Parameters:

c - - character to scan to.

Returns:

- returns true is end of statement is hit, false if the scan scar is countered.

findLastUnion

protected int findLastUnion()