1 c72688ef 2003-12-04 devnull #define YYFLAG 		-1000
  2 cae9bfe9 2005-02-14 devnull #define YYERROR		goto yyerrlab
  3 cae9bfe9 2005-02-14 devnull #define YYACCEPT	return(0)
  4 cae9bfe9 2005-02-14 devnull #define YYABORT		return(1)
  5 c72688ef 2003-12-04 devnull #define	yyclearin	yychar = -1
  6 c72688ef 2003-12-04 devnull #define	yyerrok		yyerrflag = 0
  7 c72688ef 2003-12-04 devnull 
  8 c72688ef 2003-12-04 devnull #ifdef	yydebug
  9 c72688ef 2003-12-04 devnull #include	"y.debug"
 10 c72688ef 2003-12-04 devnull #else
 11 c72688ef 2003-12-04 devnull #define	yydebug		0
 12 cae9bfe9 2005-02-14 devnull static	const	char*	yytoknames[1];		/* for debugging */
 13 cae9bfe9 2005-02-14 devnull static	const	char*	yystates[1];		/* for debugging */
 14 c72688ef 2003-12-04 devnull #endif
 15 c72688ef 2003-12-04 devnull 
 16 c72688ef 2003-12-04 devnull /*	parser for yacc output	*/
 17 cae9bfe9 2005-02-14 devnull #ifdef YYARG
 18 cae9bfe9 2005-02-14 devnull #define	yynerrs		yyarg->yynerrs
 19 cae9bfe9 2005-02-14 devnull #define	yyerrflag	yyarg->yyerrflag
 20 cae9bfe9 2005-02-14 devnull #define yyval		yyarg->yyval
 21 cae9bfe9 2005-02-14 devnull #define yylval		yyarg->yylval
 22 cae9bfe9 2005-02-14 devnull #else
 23 c72688ef 2003-12-04 devnull int	yynerrs = 0;		/* number of errors */
 24 c72688ef 2003-12-04 devnull int	yyerrflag = 0;		/* error recovery flag */
 25 cae9bfe9 2005-02-14 devnull #endif
 26 c72688ef 2003-12-04 devnull 
 27 c72688ef 2003-12-04 devnull extern	int	fprint(int, char*, ...);
 28 c72688ef 2003-12-04 devnull extern	int	sprint(char*, char*, ...);
 29 c72688ef 2003-12-04 devnull 
 30 cae9bfe9 2005-02-14 devnull static const char*
 31 c72688ef 2003-12-04 devnull yytokname(int yyc)
 32 c72688ef 2003-12-04 devnull {
 33 c72688ef 2003-12-04 devnull 	static char x[10];
 34 c72688ef 2003-12-04 devnull 
 35 c72688ef 2003-12-04 devnull 	if(yyc > 0 && yyc <= sizeof(yytoknames)/sizeof(yytoknames[0]))
 36 c72688ef 2003-12-04 devnull 	if(yytoknames[yyc-1])
 37 c72688ef 2003-12-04 devnull 		return yytoknames[yyc-1];
 38 c72688ef 2003-12-04 devnull 	sprint(x, "<%d>", yyc);
 39 c72688ef 2003-12-04 devnull 	return x;
 40 c72688ef 2003-12-04 devnull }
 41 c72688ef 2003-12-04 devnull 
 42 cae9bfe9 2005-02-14 devnull static const char*
 43 c72688ef 2003-12-04 devnull yystatname(int yys)
 44 c72688ef 2003-12-04 devnull {
 45 c72688ef 2003-12-04 devnull 	static char x[10];
 46 c72688ef 2003-12-04 devnull 
 47 c72688ef 2003-12-04 devnull 	if(yys >= 0 && yys < sizeof(yystates)/sizeof(yystates[0]))
 48 c72688ef 2003-12-04 devnull 	if(yystates[yys])
 49 c72688ef 2003-12-04 devnull 		return yystates[yys];
 50 c72688ef 2003-12-04 devnull 	sprint(x, "<%d>\n", yys);
 51 c72688ef 2003-12-04 devnull 	return x;
 52 c72688ef 2003-12-04 devnull }
 53 c72688ef 2003-12-04 devnull 
 54 cae9bfe9 2005-02-14 devnull static long
 55 cae9bfe9 2005-02-14 devnull #ifdef YYARG
 56 cae9bfe9 2005-02-14 devnull yylex1(struct Yyarg *yyarg)
 57 cae9bfe9 2005-02-14 devnull #else
 58 c72688ef 2003-12-04 devnull yylex1(void)
 59 cae9bfe9 2005-02-14 devnull #endif
 60 c72688ef 2003-12-04 devnull {
 61 c72688ef 2003-12-04 devnull 	long yychar;
 62 cae9bfe9 2005-02-14 devnull 	const long *t3p;
 63 c72688ef 2003-12-04 devnull 	int c;
 64 c72688ef 2003-12-04 devnull 
 65 cae9bfe9 2005-02-14 devnull #ifdef YYARG	
 66 cae9bfe9 2005-02-14 devnull 	yychar = yylex(yyarg);
 67 cae9bfe9 2005-02-14 devnull #else
 68 c72688ef 2003-12-04 devnull 	yychar = yylex();
 69 cae9bfe9 2005-02-14 devnull #endif
 70 c72688ef 2003-12-04 devnull 	if(yychar <= 0) {
 71 c72688ef 2003-12-04 devnull 		c = yytok1[0];
 72 c72688ef 2003-12-04 devnull 		goto out;
 73 c72688ef 2003-12-04 devnull 	}
 74 c72688ef 2003-12-04 devnull 	if(yychar < sizeof(yytok1)/sizeof(yytok1[0])) {
 75 c72688ef 2003-12-04 devnull 		c = yytok1[yychar];
 76 c72688ef 2003-12-04 devnull 		goto out;
 77 c72688ef 2003-12-04 devnull 	}
 78 c72688ef 2003-12-04 devnull 	if(yychar >= YYPRIVATE)
 79 c72688ef 2003-12-04 devnull 		if(yychar < YYPRIVATE+sizeof(yytok2)/sizeof(yytok2[0])) {
 80 c72688ef 2003-12-04 devnull 			c = yytok2[yychar-YYPRIVATE];
 81 c72688ef 2003-12-04 devnull 			goto out;
 82 c72688ef 2003-12-04 devnull 		}
 83 c72688ef 2003-12-04 devnull 	for(t3p=yytok3;; t3p+=2) {
 84 c72688ef 2003-12-04 devnull 		c = t3p[0];
 85 c72688ef 2003-12-04 devnull 		if(c == yychar) {
 86 c72688ef 2003-12-04 devnull 			c = t3p[1];
 87 c72688ef 2003-12-04 devnull 			goto out;
 88 c72688ef 2003-12-04 devnull 		}
 89 c72688ef 2003-12-04 devnull 		if(c == 0)
 90 c72688ef 2003-12-04 devnull 			break;
 91 c72688ef 2003-12-04 devnull 	}
 92 c72688ef 2003-12-04 devnull 	c = 0;
 93 c72688ef 2003-12-04 devnull 
 94 c72688ef 2003-12-04 devnull out:
 95 c72688ef 2003-12-04 devnull 	if(c == 0)
 96 c72688ef 2003-12-04 devnull 		c = yytok2[1];	/* unknown char */
 97 c72688ef 2003-12-04 devnull 	if(yydebug >= 3)
 98 c72688ef 2003-12-04 devnull 		fprint(2, "lex %.4lux %s\n", yychar, yytokname(c));
 99 c72688ef 2003-12-04 devnull 	return c;
100 c72688ef 2003-12-04 devnull }
101 c72688ef 2003-12-04 devnull 
102 c72688ef 2003-12-04 devnull int
103 cae9bfe9 2005-02-14 devnull #ifdef YYARG
104 cae9bfe9 2005-02-14 devnull yyparse(struct Yyarg *yyarg)
105 cae9bfe9 2005-02-14 devnull #else
106 c72688ef 2003-12-04 devnull yyparse(void)
107 cae9bfe9 2005-02-14 devnull #endif
108 c72688ef 2003-12-04 devnull {
109 c72688ef 2003-12-04 devnull 	struct
110 c72688ef 2003-12-04 devnull 	{
111 c72688ef 2003-12-04 devnull 		YYSTYPE	yyv;
112 c72688ef 2003-12-04 devnull 		int	yys;
113 c72688ef 2003-12-04 devnull 	} yys[YYMAXDEPTH], *yyp, *yypt;
114 cae9bfe9 2005-02-14 devnull 	const short *yyxi;
115 c72688ef 2003-12-04 devnull 	int yyj, yym, yystate, yyn, yyg;
116 c72688ef 2003-12-04 devnull 	long yychar;
117 cae9bfe9 2005-02-14 devnull #ifndef YYARG
118 c72688ef 2003-12-04 devnull 	YYSTYPE save1, save2;
119 c72688ef 2003-12-04 devnull 	int save3, save4;
120 c72688ef 2003-12-04 devnull 
121 c72688ef 2003-12-04 devnull 	save1 = yylval;
122 c72688ef 2003-12-04 devnull 	save2 = yyval;
123 c72688ef 2003-12-04 devnull 	save3 = yynerrs;
124 c72688ef 2003-12-04 devnull 	save4 = yyerrflag;
125 cae9bfe9 2005-02-14 devnull #endif
126 c72688ef 2003-12-04 devnull 
127 c72688ef 2003-12-04 devnull 	yystate = 0;
128 c72688ef 2003-12-04 devnull 	yychar = -1;
129 c72688ef 2003-12-04 devnull 	yynerrs = 0;
130 c72688ef 2003-12-04 devnull 	yyerrflag = 0;
131 c72688ef 2003-12-04 devnull 	yyp = &yys[-1];
132 c72688ef 2003-12-04 devnull 	goto yystack;
133 c72688ef 2003-12-04 devnull 
134 c72688ef 2003-12-04 devnull ret0:
135 c72688ef 2003-12-04 devnull 	yyn = 0;
136 c72688ef 2003-12-04 devnull 	goto ret;
137 c72688ef 2003-12-04 devnull 
138 c72688ef 2003-12-04 devnull ret1:
139 c72688ef 2003-12-04 devnull 	yyn = 1;
140 c72688ef 2003-12-04 devnull 	goto ret;
141 c72688ef 2003-12-04 devnull 
142 c72688ef 2003-12-04 devnull ret:
143 cae9bfe9 2005-02-14 devnull #ifndef YYARG
144 c72688ef 2003-12-04 devnull 	yylval = save1;
145 c72688ef 2003-12-04 devnull 	yyval = save2;
146 c72688ef 2003-12-04 devnull 	yynerrs = save3;
147 c72688ef 2003-12-04 devnull 	yyerrflag = save4;
148 cae9bfe9 2005-02-14 devnull #endif
149 c72688ef 2003-12-04 devnull 	return yyn;
150 c72688ef 2003-12-04 devnull 
151 c72688ef 2003-12-04 devnull yystack:
152 c72688ef 2003-12-04 devnull 	/* put a state and value onto the stack */
153 c72688ef 2003-12-04 devnull 	if(yydebug >= 4)
154 c72688ef 2003-12-04 devnull 		fprint(2, "char %s in %s", yytokname(yychar), yystatname(yystate));
155 c72688ef 2003-12-04 devnull 
156 c72688ef 2003-12-04 devnull 	yyp++;
157 c72688ef 2003-12-04 devnull 	if(yyp >= &yys[YYMAXDEPTH]) {
158 c72688ef 2003-12-04 devnull 		yyerror("yacc stack overflow");
159 c72688ef 2003-12-04 devnull 		goto ret1;
160 c72688ef 2003-12-04 devnull 	}
161 c72688ef 2003-12-04 devnull 	yyp->yys = yystate;
162 c72688ef 2003-12-04 devnull 	yyp->yyv = yyval;
163 c72688ef 2003-12-04 devnull 
164 c72688ef 2003-12-04 devnull yynewstate:
165 c72688ef 2003-12-04 devnull 	yyn = yypact[yystate];
166 c72688ef 2003-12-04 devnull 	if(yyn <= YYFLAG)
167 c72688ef 2003-12-04 devnull 		goto yydefault; /* simple state */
168 c72688ef 2003-12-04 devnull 	if(yychar < 0)
169 cae9bfe9 2005-02-14 devnull #ifdef YYARG
170 cae9bfe9 2005-02-14 devnull 		yychar = yylex1(yyarg);
171 cae9bfe9 2005-02-14 devnull #else
172 c72688ef 2003-12-04 devnull 		yychar = yylex1();
173 cae9bfe9 2005-02-14 devnull #endif
174 c72688ef 2003-12-04 devnull 	yyn += yychar;
175 c72688ef 2003-12-04 devnull 	if(yyn < 0 || yyn >= YYLAST)
176 c72688ef 2003-12-04 devnull 		goto yydefault;
177 c72688ef 2003-12-04 devnull 	yyn = yyact[yyn];
178 c72688ef 2003-12-04 devnull 	if(yychk[yyn] == yychar) { /* valid shift */
179 c72688ef 2003-12-04 devnull 		yychar = -1;
180 c72688ef 2003-12-04 devnull 		yyval = yylval;
181 c72688ef 2003-12-04 devnull 		yystate = yyn;
182 c72688ef 2003-12-04 devnull 		if(yyerrflag > 0)
183 c72688ef 2003-12-04 devnull 			yyerrflag--;
184 c72688ef 2003-12-04 devnull 		goto yystack;
185 c72688ef 2003-12-04 devnull 	}
186 c72688ef 2003-12-04 devnull 
187 c72688ef 2003-12-04 devnull yydefault:
188 c72688ef 2003-12-04 devnull 	/* default state action */
189 c72688ef 2003-12-04 devnull 	yyn = yydef[yystate];
190 c72688ef 2003-12-04 devnull 	if(yyn == -2) {
191 c72688ef 2003-12-04 devnull 		if(yychar < 0)
192 cae9bfe9 2005-02-14 devnull #ifdef YYARG
193 cae9bfe9 2005-02-14 devnull 		yychar = yylex1(yyarg);
194 cae9bfe9 2005-02-14 devnull #else
195 cae9bfe9 2005-02-14 devnull 		yychar = yylex1();
196 cae9bfe9 2005-02-14 devnull #endif
197 c72688ef 2003-12-04 devnull 
198 c72688ef 2003-12-04 devnull 		/* look through exception table */
199 c72688ef 2003-12-04 devnull 		for(yyxi=yyexca;; yyxi+=2)
200 c72688ef 2003-12-04 devnull 			if(yyxi[0] == -1 && yyxi[1] == yystate)
201 c72688ef 2003-12-04 devnull 				break;
202 c72688ef 2003-12-04 devnull 		for(yyxi += 2;; yyxi += 2) {
203 c72688ef 2003-12-04 devnull 			yyn = yyxi[0];
204 c72688ef 2003-12-04 devnull 			if(yyn < 0 || yyn == yychar)
205 c72688ef 2003-12-04 devnull 				break;
206 c72688ef 2003-12-04 devnull 		}
207 c72688ef 2003-12-04 devnull 		yyn = yyxi[1];
208 c72688ef 2003-12-04 devnull 		if(yyn < 0)
209 c72688ef 2003-12-04 devnull 			goto ret0;
210 c72688ef 2003-12-04 devnull 	}
211 c72688ef 2003-12-04 devnull 	if(yyn == 0) {
212 c72688ef 2003-12-04 devnull 		/* error ... attempt to resume parsing */
213 c72688ef 2003-12-04 devnull 		switch(yyerrflag) {
214 c72688ef 2003-12-04 devnull 		case 0:   /* brand new error */
215 c72688ef 2003-12-04 devnull 			yyerror("syntax error");
216 c72688ef 2003-12-04 devnull 			if(yydebug >= 1) {
217 c72688ef 2003-12-04 devnull 				fprint(2, "%s", yystatname(yystate));
218 c72688ef 2003-12-04 devnull 				fprint(2, "saw %s\n", yytokname(yychar));
219 c72688ef 2003-12-04 devnull 			}
220 53e2a4c6 2005-02-17 devnull 			goto yyerrlab;
221 53e2a4c6 2005-02-17 devnull 		yyerrlab:
222 cae9bfe9 2005-02-14 devnull 			yynerrs++;
223 c72688ef 2003-12-04 devnull 
224 c72688ef 2003-12-04 devnull 		case 1:
225 c72688ef 2003-12-04 devnull 		case 2: /* incompletely recovered error ... try again */
226 c72688ef 2003-12-04 devnull 			yyerrflag = 3;
227 c72688ef 2003-12-04 devnull 
228 c72688ef 2003-12-04 devnull 			/* find a state where "error" is a legal shift action */
229 c72688ef 2003-12-04 devnull 			while(yyp >= yys) {
230 c72688ef 2003-12-04 devnull 				yyn = yypact[yyp->yys] + YYERRCODE;
231 c72688ef 2003-12-04 devnull 				if(yyn >= 0 && yyn < YYLAST) {
232 c72688ef 2003-12-04 devnull 					yystate = yyact[yyn];  /* simulate a shift of "error" */
233 c72688ef 2003-12-04 devnull 					if(yychk[yystate] == YYERRCODE)
234 c72688ef 2003-12-04 devnull 						goto yystack;
235 c72688ef 2003-12-04 devnull 				}
236 c72688ef 2003-12-04 devnull 
237 c72688ef 2003-12-04 devnull 				/* the current yyp has no shift onn "error", pop stack */
238 c72688ef 2003-12-04 devnull 				if(yydebug >= 2)
239 c72688ef 2003-12-04 devnull 					fprint(2, "error recovery pops state %d, uncovers %d\n",
240 c72688ef 2003-12-04 devnull 						yyp->yys, (yyp-1)->yys );
241 c72688ef 2003-12-04 devnull 				yyp--;
242 c72688ef 2003-12-04 devnull 			}
243 c72688ef 2003-12-04 devnull 			/* there is no state on the stack with an error shift ... abort */
244 c72688ef 2003-12-04 devnull 			goto ret1;
245 c72688ef 2003-12-04 devnull 
246 c72688ef 2003-12-04 devnull 		case 3:  /* no shift yet; clobber input char */
247 c72688ef 2003-12-04 devnull 			if(yydebug >= 2)
248 c72688ef 2003-12-04 devnull 				fprint(2, "error recovery discards %s\n", yytokname(yychar));
249 c72688ef 2003-12-04 devnull 			if(yychar == YYEOFCODE)
250 c72688ef 2003-12-04 devnull 				goto ret1;
251 c72688ef 2003-12-04 devnull 			yychar = -1;
252 c72688ef 2003-12-04 devnull 			goto yynewstate;   /* try again in the same state */
253 c72688ef 2003-12-04 devnull 		}
254 c72688ef 2003-12-04 devnull 	}
255 c72688ef 2003-12-04 devnull 
256 c72688ef 2003-12-04 devnull 	/* reduction by production yyn */
257 c72688ef 2003-12-04 devnull 	if(yydebug >= 2)
258 c72688ef 2003-12-04 devnull 		fprint(2, "reduce %d in:\n\t%s", yyn, yystatname(yystate));
259 c72688ef 2003-12-04 devnull 
260 c72688ef 2003-12-04 devnull 	yypt = yyp;
261 c72688ef 2003-12-04 devnull 	yyp -= yyr2[yyn];
262 c72688ef 2003-12-04 devnull 	yyval = (yyp+1)->yyv;
263 c72688ef 2003-12-04 devnull 	yym = yyn;
264 c72688ef 2003-12-04 devnull 
265 c72688ef 2003-12-04 devnull 	/* consult goto table to find next state */
266 c72688ef 2003-12-04 devnull 	yyn = yyr1[yyn];
267 c72688ef 2003-12-04 devnull 	yyg = yypgo[yyn];
268 c72688ef 2003-12-04 devnull 	yyj = yyg + yyp->yys + 1;
269 c72688ef 2003-12-04 devnull 
270 c72688ef 2003-12-04 devnull 	if(yyj >= YYLAST || yychk[yystate=yyact[yyj]] != -yyn)
271 c72688ef 2003-12-04 devnull 		yystate = yyact[yyg];
272 c72688ef 2003-12-04 devnull 	switch(yym) {
273 c72688ef 2003-12-04 devnull 		$A
274 c72688ef 2003-12-04 devnull 	}
275 c72688ef 2003-12-04 devnull 	goto yystack;  /* stack new state and value */
276 c72688ef 2003-12-04 devnull }