ptolemy.moml.unit
Class UParser

java.lang.Object
  ptolemy.moml.unit.UParser

All Implemented Interfaces:

UParserConstants

public class UParser
extends java.lang.Object
implements UParserConstants

This file implements a Unit parser for Ptolemy II using the JavaCC parser generator.

Since:

Ptolemy II 7.1

Version:

UParser.jj,v 1.9 2004/04/14 14:18:38 rowland Exp

Author:

Rowland R Johnson

Accepted Rating:

Red (rowland)

Proposed Rating:

Red (rowland)

Nested Class Summary

(package private) static class	UParser.JJCalls
private static class	UParser.LookaheadSuccess

Field Summary

(package private) boolean	debug
private UParser.JJCalls[]	jj_2_rtns
private int	jj_endpos
private java.util.Vector	jj_expentries
private int[]	jj_expentry
private int	jj_gc
private int	jj_gen
(package private) SimpleCharStream	jj_input_stream
private int	jj_kind
private int	jj_la
private int[]	jj_la1
private static int[]	jj_la1_0
private Token	jj_lastpos
private int[]	jj_lasttokens
private UParser.LookaheadSuccess	jj_ls
Token	jj_nt
private int	jj_ntk
private boolean	jj_rescan
private Token	jj_scanpos
boolean	lookingAhead
Token	token
UParserTokenManager	token_source

Fields inherited from interface ptolemy.moml.unit.UParserConstants

DEFAULT, DIVIDE, DOLLAR, DOUBLE, EOF, EQUALS, EXPONENT, INTEGER, LETTER, LPAREN, LT, MINUS, MULTIPLY, PLUS, PORT, POWER, RPAREN, SEMICOLON, tokenImage, UNITLABEL

Constructor Summary

UParser()

UParser(java.io.InputStream stream)

UParser(java.io.InputStream stream, java.lang.String encoding)

UParser(java.io.Reader stream)

UParser(UParserTokenManager tm)

Method Summary

void	disable_tracing()
void	enable_tracing()
UnitEquation	Equation()
java.util.Vector	Equations()
int	exponent()
ParseException	generateParseException()
Token	getNextToken()
Token	getToken(int index)
private boolean	jj_2_1(int xla)
private boolean	jj_2_2(int xla)
private boolean	jj_3_1()
private boolean	jj_3_2()
private boolean	jj_3R_10()
private boolean	jj_3R_11()
private boolean	jj_3R_12()
private boolean	jj_3R_13()
private boolean	jj_3R_3()
private boolean	jj_3R_4()
private boolean	jj_3R_5()
private boolean	jj_3R_6()
private boolean	jj_3R_7()
private boolean	jj_3R_8()
private boolean	jj_3R_9()
private void	jj_add_error_token(int kind, int pos)
private Token	jj_consume_token(int kind)
private static void	jj_la1_0()
private int	jj_ntk()
private void	jj_rescan_token()
private void	jj_save(int index, int xla)
private boolean	jj_scan_token(int kind)
double	number()
java.util.Vector	parseEquations(java.lang.String expression) Parse a set of equations separated by semicolons.
UnitExpr	parseUnitExpr(java.lang.String expression) Parse a unit expression.
void	ReInit(java.io.InputStream stream)
void	ReInit(java.io.InputStream stream, java.lang.String encoding)
void	ReInit(java.io.Reader stream)
void	ReInit(UParserTokenManager tm)
UnitExpr	uExpr()
Token	unit()
UnitTerm	uTerm()

Methods inherited from class java.lang.Object

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

Field Detail

debug

boolean debug

token_source

public UParserTokenManager token_source

jj_input_stream

SimpleCharStream jj_input_stream

token

public Token token

jj_nt

public Token jj_nt

jj_ntk

private int jj_ntk

jj_scanpos

private Token jj_scanpos

jj_lastpos

private Token jj_lastpos

jj_la

private int jj_la

lookingAhead

public boolean lookingAhead

jj_gen

private int jj_gen

jj_la1

private final int[] jj_la1

jj_la1_0

private static int[] jj_la1_0

jj_2_rtns

private final UParser.JJCalls[] jj_2_rtns

jj_rescan

private boolean jj_rescan

jj_gc

private int jj_gc

jj_ls

private final UParser.LookaheadSuccess jj_ls

jj_expentries

private java.util.Vector jj_expentries

jj_expentry

private int[] jj_expentry

jj_kind

private int jj_kind

jj_lasttokens

private int[] jj_lasttokens

jj_endpos

private int jj_endpos

Constructor Detail

UParser

public UParser()

UParser

public UParser(java.io.InputStream stream)

UParser

public UParser(java.io.InputStream stream,
               java.lang.String encoding)

UParser

public UParser(java.io.Reader stream)

UParser

public UParser(UParserTokenManager tm)

Method Detail

parseUnitExpr

public UnitExpr parseUnitExpr(java.lang.String expression)
                       throws ParseException

Parse a unit expression.

Parameters:

expression -

Throws:

ParseException - If parsing error is encountered.

parseEquations

public java.util.Vector parseEquations(java.lang.String expression)
                                throws ParseException

Parse a set of equations separated by semicolons.

Parameters:

expression -

Throws:

ParseException - If parsing error is encountered.

uExpr

public final UnitExpr uExpr()
                     throws ParseException

Throws:

ParseException

uTerm

public final UnitTerm uTerm()
                     throws ParseException

Throws:

ParseException

unit

public final Token unit()
                 throws ParseException

Throws:

ParseException

Equations

public final java.util.Vector Equations()
                                 throws ParseException

Throws:

ParseException

Equation

public final UnitEquation Equation()
                            throws ParseException

Throws:

ParseException

exponent

public final int exponent()
                   throws ParseException

Throws:

ParseException

number

public final double number()
                    throws ParseException

Throws:

ParseException

jj_2_1

private final boolean jj_2_1(int xla)

jj_2_2

private final boolean jj_2_2(int xla)

jj_3R_9

private final boolean jj_3R_9()

jj_3R_7

private final boolean jj_3R_7()

jj_3R_13

private final boolean jj_3R_13()

jj_3R_3

private final boolean jj_3R_3()

jj_3R_12

private final boolean jj_3R_12()

jj_3R_11

private final boolean jj_3R_11()

jj_3R_4

private final boolean jj_3R_4()

jj_3_2

private final boolean jj_3_2()

jj_3R_6

private final boolean jj_3R_6()

jj_3R_10

private final boolean jj_3R_10()

jj_3R_5

private final boolean jj_3R_5()

jj_3R_8

private final boolean jj_3R_8()

jj_3_1

private final boolean jj_3_1()

jj_la1_0

private static void jj_la1_0()

ReInit

public void ReInit(java.io.InputStream stream)

ReInit

public void ReInit(java.io.InputStream stream,
                   java.lang.String encoding)

ReInit

public void ReInit(java.io.Reader stream)

ReInit

public void ReInit(UParserTokenManager tm)

jj_consume_token

private final Token jj_consume_token(int kind)
                              throws ParseException

Throws:

ParseException

jj_scan_token

private final boolean jj_scan_token(int kind)

getNextToken

public final Token getNextToken()

getToken

public final Token getToken(int index)

jj_ntk

private final int jj_ntk()

jj_add_error_token

private void jj_add_error_token(int kind,
                                int pos)

generateParseException

public ParseException generateParseException()

enable_tracing

public final void enable_tracing()

disable_tracing

public final void disable_tracing()

jj_rescan_token

private final void jj_rescan_token()

jj_save

private final void jj_save(int index,
                           int xla)