Package org.openlca.expressions

Class FormulaParser

java.lang.Object

org.openlca.expressions.FormulaParser

All Implemented Interfaces:

FormulaParserConstants

public class FormulaParser
extends Object
implements FormulaParserConstants

Field Summary

Fields

Modifier and Type	Field	Description
protected Stack<Expression>	argStack
protected FunctionFactory	functionFactory
Token	jj_nt	Next token.
Token	token	Current token.
FormulaParserTokenManager	token_source	Generated Token Manager.
protected List<VariableFunction>	variables

Fields inherited from interface org.openlca.expressions.FormulaParserConstants

AND, DEFAULT, DIGIT, DIGITS, DIVIDE, EOF, EQ, EXPONENT, GT, GTEQ, IDENTIFIER, INTDIVIDE, LETTER, LT, LTEQ, MINUS, MOD, MULTIPLY, NEQ, NUMBER, OR, OTHERCHARS, PLUS, POW, tokenImage, XOR

Constructor Summary

Constructors

Constructor	Description
FormulaParser(InputStream stream)	Constructor with InputStream.
FormulaParser(InputStream stream, String encoding)	Constructor with InputStream and supplied encoding
FormulaParser(Reader stream)	Constructor.
FormulaParser(Reader reader, FunctionFactory functionFactory)
FormulaParser(FormulaParserTokenManager tm)	Constructor with generated Token Manager.

Method Summary

Modifier and Type	Method	Description
final void	compare()
final void	disable_tracing()	Disable tracing.
final void	element()
final void	enable_tracing()	Enable tracing.
final void	expand()
final void	function()
ParseException	generateParseException()	Generate ParseException.
Expression	getExpression()
final Token	getNextToken()	Get the next Token.
final Token	getToken(int index)	Get the specific Token.
List<VariableFunction>	getVariables()
final void	logicalAnd()
final void	logicalOr()
final void	logicalXor()
final void	parse()
final void	power()
final void	realsum()
void	ReInit(InputStream stream)	Reinitialise.
void	ReInit(InputStream stream, String encoding)	Reinitialise.
void	ReInit(Reader stream)	Reinitialise.
void	ReInit(FormulaParserTokenManager tm)	Reinitialise.
final void	term()
final void	unary()

Methods inherited from class java.lang.Object

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

Field Details

argStack

protected Stack<Expression> argStack

functionFactory

protected FunctionFactory functionFactory

variables

protected List<VariableFunction> variables

token_source

public FormulaParserTokenManager token_source

Generated Token Manager.

token

public Token token

Current token.

jj_nt

public Token jj_nt

Next token.

Constructor Details

FormulaParser

public FormulaParser(Reader reader,
 FunctionFactory functionFactory)

FormulaParser

public FormulaParser(InputStream stream)

Constructor with InputStream.

FormulaParser

public FormulaParser(InputStream stream,
 String encoding)

Constructor with InputStream and supplied encoding

FormulaParser

public FormulaParser(Reader stream)

Constructor.

FormulaParser

public FormulaParser(FormulaParserTokenManager tm)

Constructor with generated Token Manager.

Method Details

getExpression

public Expression getExpression()

getVariables

public List<VariableFunction> getVariables()

parse

public final void parse()
                 throws ParseException

Throws:

ParseException

expand

public final void expand()
                  throws ParseException

Throws:

ParseException

logicalOr

public final void logicalOr()
                     throws ParseException

Throws:

ParseException

logicalXor

public final void logicalXor()
                      throws ParseException

Throws:

ParseException

logicalAnd

public final void logicalAnd()
                      throws ParseException

Throws:

ParseException

compare

public final void compare()
                   throws ParseException

Throws:

ParseException

realsum

public final void realsum()
                   throws ParseException

Throws:

ParseException

term

public final void term()
                throws ParseException

Throws:

ParseException

power

public final void power()
                 throws ParseException

Throws:

ParseException

unary

public final void unary()
                 throws ParseException

Throws:

ParseException

element

public final void element()
                   throws ParseException

Throws:

ParseException

function

public final void function()
                    throws ParseException

Throws:

ParseException

ReInit

public void ReInit(InputStream stream)

Reinitialise.

ReInit

public void ReInit(InputStream stream,
 String encoding)

Reinitialise.

ReInit

public void ReInit(Reader stream)

Reinitialise.

ReInit

public void ReInit(FormulaParserTokenManager tm)

Reinitialise.

getNextToken

public final Token getNextToken()

Get the next Token.

getToken

public final Token getToken(int index)

Get the specific Token.

generateParseException

public ParseException generateParseException()

Generate ParseException.

enable_tracing

public final void enable_tracing()

Enable tracing.

disable_tracing

public final void disable_tracing()

Disable tracing.