eece496.parsetree
Class Parser

java.lang.Object
  eece496.parsetree.Parser

public class Parser

extends java.lang.Object

Encapsulates yacc() parser functionality in a Java class for quick code development

Field Summary

static short	ALL
static short	AND
static short	IF
(package private) static boolean	interactive
static short	IS_PRODUCED
static short	IS_TRUE_IF
static short	MUTUALLY_EXCLUSIVE_CONDITIONS
static short	NONTEXT
static short	NOT
static short	NUM
static short	OF_FOLLOWING_CONDITIONS_ARE_TRUE
static short	ONE_OR_MORE
static short	OR
(package private) int	statemax
(package private) int	stateptr
(package private) int	stateptrmax
(package private) int[]	statestk
static short	TEXT
static short	THE_SYSTEM_SHALL
static short	UPON_INTERNAL_EVENT
static short	UPON_RECEIPT_OF_A
(package private) int	valptr
(package private) ParserVal[]	valstk
static short	WHEN
(package private) int	yychar
(package private) static short[]	yycheck
(package private) boolean	yydebug
(package private) static short[]	yydefred
(package private) static short[]	yydgoto
static short	YYERRCODE
(package private) int	yyerrflag
(package private) static short	YYFINAL
(package private) static short[]	yygindex
(package private) static short[]	yylen
(package private) static short[]	yylhs
(package private) ParserVal	yylval
(package private) int	yym
(package private) static short	YYMAXTOKEN
(package private) int	yyn
(package private) static java.lang.String[]	yyname
(package private) int	yynerrs
(package private) static short[]	yyrindex
(package private) static java.lang.String[]	yyrule
(package private) java.lang.String	yys
(package private) static short[]	yysindex
(package private) static int	YYSTACKSIZE
(package private) int	yystate
(package private) static short[]	yytable
(package private) static int	YYTABLESIZE
(package private) java.lang.String	yytext
(package private) ParserVal	yyval

Constructor Summary

Parser()
Default constructor.

Parser(boolean debugMe)
Create a parser, setting the debug to true or false.

Parser(java.io.Reader r)

Method Summary

(package private) void	debug(java.lang.String msg)
(package private) void	dump_stacks(int count)
(package private) boolean	init_stacks()
static void	main(java.lang.String[] args)
void	run() A default run method, used for operating this parser object in the background.
(package private) void	state_drop(int cnt)
(package private) int	state_peek(int relative)
(package private) int	state_pop()
(package private) void	state_push(int state)
(package private) void	val_drop(int cnt)
(package private) void	val_init()
(package private) ParserVal	val_peek(int relative)
(package private) ParserVal	val_pop()
(package private) void	val_push(ParserVal val)
void	yyerror(java.lang.String error)
(package private) void	yylexdebug(int state, int ch)
int	yyparse()

Methods inherited from class java.lang.Object

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

Field Detail

yydebug

boolean yydebug

yynerrs

int yynerrs

yyerrflag

int yyerrflag

yychar

int yychar

YYSTACKSIZE

static final int YYSTACKSIZE

See Also:

Constant Field Values

statestk

int[] statestk

stateptr

int stateptr

stateptrmax

int stateptrmax

statemax

int statemax

yytext

java.lang.String yytext

yyval

ParserVal yyval

yylval

ParserVal yylval

valstk

ParserVal[] valstk

valptr

int valptr

IF

public static final short IF

See Also:

Constant Field Values

THE_SYSTEM_SHALL

public static final short THE_SYSTEM_SHALL

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Constant Field Values

ONE_OR_MORE

public static final short ONE_OR_MORE

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Constant Field Values

ALL

public static final short ALL

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Constant Field Values

OF_FOLLOWING_CONDITIONS_ARE_TRUE

public static final short OF_FOLLOWING_CONDITIONS_ARE_TRUE

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Constant Field Values

IS_TRUE_IF

public static final short IS_TRUE_IF

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Constant Field Values

MUTUALLY_EXCLUSIVE_CONDITIONS

public static final short MUTUALLY_EXCLUSIVE_CONDITIONS

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Constant Field Values

UPON_RECEIPT_OF_A

public static final short UPON_RECEIPT_OF_A

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Constant Field Values

WHEN

public static final short WHEN

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Constant Field Values

IS_PRODUCED

public static final short IS_PRODUCED

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Constant Field Values

UPON_INTERNAL_EVENT

public static final short UPON_INTERNAL_EVENT

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Constant Field Values

AND

public static final short AND

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Constant Field Values

OR

public static final short OR

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Constant Field Values

NOT

public static final short NOT

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Constant Field Values

TEXT

public static final short TEXT

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Constant Field Values

NONTEXT

public static final short NONTEXT

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Constant Field Values

NUM

public static final short NUM

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Constant Field Values

YYERRCODE

public static final short YYERRCODE

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Constant Field Values

yylhs

static final short[] yylhs

yylen

static final short[] yylen

yydefred

static final short[] yydefred

yydgoto

static final short[] yydgoto

yysindex

static final short[] yysindex

yyrindex

static final short[] yyrindex

yygindex

static final short[] yygindex

YYTABLESIZE

static final int YYTABLESIZE

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Constant Field Values

yytable

static final short[] yytable

yycheck

static final short[] yycheck

YYFINAL

static final short YYFINAL

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Constant Field Values

YYMAXTOKEN

static final short YYMAXTOKEN

See Also:

Constant Field Values

yyname

static final java.lang.String[] yyname

yyrule

static final java.lang.String[] yyrule

interactive

static boolean interactive

yyn

int yyn

yym

int yym

yystate

int yystate

yys

java.lang.String yys

Constructor Detail

Parser

public Parser(java.io.Reader r)

Parser

public Parser()

Default constructor. Turn off with -Jnoconstruct .

Parser

public Parser(boolean debugMe)

Create a parser, setting the debug to true or false.

Parameters:

debugMe - true for debugging, false for no debug.

Method Detail

debug

void debug(java.lang.String msg)

state_push

void state_push(int state)

state_pop

int state_pop()

state_drop

void state_drop(int cnt)

state_peek

int state_peek(int relative)

init_stacks

boolean init_stacks()

dump_stacks

void dump_stacks(int count)

val_init

void val_init()

val_push

void val_push(ParserVal val)

val_pop

ParserVal val_pop()

val_drop

void val_drop(int cnt)

val_peek

ParserVal val_peek(int relative)

yyerror

public void yyerror(java.lang.String error)
             throws java.lang.Exception

Throws:

java.lang.Exception

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

Throws:

java.lang.Exception

yylexdebug

void yylexdebug(int state,
                int ch)

yyparse

public int yyparse()
            throws java.lang.Exception

Throws:

java.lang.Exception

run

public void run()
         throws java.lang.Exception

A default run method, used for operating this parser object in the background. It is intended for extending Thread or implementing Runnable. Turn off with -Jnorun .

Throws:

java.lang.Exception