Package org.apfloat.calc

Class CalculatorParser

java.lang.Object

org.apfloat.calc.CalculatorParser

All Implemented Interfaces:

CalculatorParserConstants

public class CalculatorParser
extends Object
implements CalculatorParserConstants

Field Summary

Fields

Modifier and Type	Field	Description
Token	jj_nt	Next token.
Token	token	Current token.
CalculatorParserTokenManager	token_source	Generated Token Manager.

Fields inherited from interface org.apfloat.calc.CalculatorParserConstants

DECIMAL, DEFAULT, DELIMITER, DIGIT, EOF, EOL, IDENTIFIER, IMAGINARY, INTEGER, INVALID_CHAR, LETTER, tokenImage

Constructor Summary

Constructors

Constructor	Description
CalculatorParser(InputStream stream)	Constructor with InputStream.
CalculatorParser(InputStream in, OutputStream out, CalculatorImpl calculatorImpl)
CalculatorParser(InputStream stream, String encoding)	Constructor with InputStream and supplied encoding
CalculatorParser(Reader stream)	Constructor.
CalculatorParser(Reader in, PrintWriter out, CalculatorImpl calculatorImpl)
CalculatorParser(Reader in, Writer out, CalculatorImpl calculatorImpl)
CalculatorParser(CalculatorParserTokenManager tm)	Constructor with generated Token Manager.

Method Summary

Modifier and Type	Method	Description
final Number	additiveExpression()
final List<Number>	argumentList()
final Number	assignmentExpression()
final Number	constant()
final void	disable_tracing()	Disable tracing.
final Number	element()
final void	enable_tracing()	Enable tracing.
final Number	expression()
final Number	factorialExpression()
final Number	function()
ParseException	generateParseException()	Generate ParseException.
final Token	getNextToken()	Get the next Token.
final Token	getToken(int index)	Get the specific Token.
final String	identifier()
final Number	multiplicativeExpression()
final boolean	parseOneLine()
final Number	powerExpression()
void	ReInit(InputStream stream)	Reinitialise.
void	ReInit(InputStream stream, String encoding)	Reinitialise.
void	ReInit(Reader stream)	Reinitialise.
void	ReInit(CalculatorParserTokenManager tm)	Reinitialise.
final boolean	trace_enabled()	Trace enabled.
final Number	unaryExpression()
final String	variable()

Methods inherited from class java.lang.Object

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

Field Details

token_source

public CalculatorParserTokenManager token_source

Generated Token Manager.

token

public Token token

Current token.

jj_nt

public Token jj_nt

Next token.

Constructor Details

CalculatorParser

public CalculatorParser(InputStream in,
 OutputStream out,
 CalculatorImpl calculatorImpl)

CalculatorParser

public CalculatorParser(Reader in,
 Writer out,
 CalculatorImpl calculatorImpl)

CalculatorParser

public CalculatorParser(Reader in,
 PrintWriter out,
 CalculatorImpl calculatorImpl)

CalculatorParser

public CalculatorParser(InputStream stream)

Constructor with InputStream.

CalculatorParser

public CalculatorParser(InputStream stream,
 String encoding)

Constructor with InputStream and supplied encoding

CalculatorParser

public CalculatorParser(Reader stream)

Constructor.

CalculatorParser

public CalculatorParser(CalculatorParserTokenManager tm)

Constructor with generated Token Manager.

Method Details

parseOneLine

public final boolean parseOneLine()
                           throws ParseException

Throws:

ParseException

expression

public final Number expression()
                        throws ParseException

Throws:

ParseException

assignmentExpression

public final Number assignmentExpression()
                                  throws ParseException

Throws:

ParseException

additiveExpression

public final Number additiveExpression()
                                throws ParseException

Throws:

ParseException

multiplicativeExpression

public final Number multiplicativeExpression()
                                      throws ParseException

Throws:

ParseException

unaryExpression

public final Number unaryExpression()
                             throws ParseException

Throws:

ParseException

powerExpression

public final Number powerExpression()
                             throws ParseException

Throws:

ParseException

factorialExpression

public final Number factorialExpression()
                                 throws ParseException

Throws:

ParseException

element

public final Number element()
                     throws ParseException

Throws:

ParseException

variable

public final String variable()
                      throws ParseException

Throws:

ParseException

function

public final Number function()
                      throws ParseException

Throws:

ParseException

argumentList

public final List<Number> argumentList()
                                throws ParseException

Throws:

ParseException

identifier

public final String identifier()
                        throws ParseException

Throws:

ParseException

constant

public final Number constant()
                      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(CalculatorParserTokenManager 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.

trace_enabled

public final boolean trace_enabled()

Trace enabled.

enable_tracing

public final void enable_tracing()

Enable tracing.

disable_tracing

public final void disable_tracing()

Disable tracing.