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15637ed4 RG |
1 | #ifndef lint |
2 | char yysccsid[] = "@(#)yaccpar 1.3 (Berkeley) 01/21/90"; | |
3 | #endif | |
4 | #define YYERRCODE 256 | |
5 | short yylhs[] = { -1, | |
6 | 0, | |
7 | }; | |
8 | short yylen[] = { 2, | |
9 | 1, | |
10 | }; | |
11 | short yydefred[] = { 0, | |
12 | 1, 0, | |
13 | }; | |
14 | short yydgoto[] = { 2, | |
15 | }; | |
16 | short yysindex[] = { -256, | |
17 | 0, 0, | |
18 | }; | |
19 | short yyrindex[] = { 0, | |
20 | 0, 0, | |
21 | }; | |
22 | short yygindex[] = { 0, | |
23 | }; | |
24 | #define YYTABLESIZE 0 | |
25 | short yytable[] = { 1, | |
26 | }; | |
27 | short yycheck[] = { 256, | |
28 | }; | |
29 | #define YYFINAL 2 | |
30 | #ifndef YYDEBUG | |
31 | #define YYDEBUG 0 | |
32 | #endif | |
33 | #define YYMAXTOKEN 0 | |
34 | #if YYDEBUG | |
35 | char *yyname[] = { | |
36 | "end-of-file", | |
37 | }; | |
38 | char *yyrule[] = { | |
39 | "$accept : S", | |
40 | "S : error", | |
41 | }; | |
42 | #endif | |
43 | #ifndef YYSTYPE | |
44 | typedef int YYSTYPE; | |
45 | #endif | |
46 | #define yyclearin (yychar=(-1)) | |
47 | #define yyerrok (yyerrflag=0) | |
48 | #ifndef YYSTACKSIZE | |
49 | #ifdef YYMAXDEPTH | |
50 | #define YYSTACKSIZE YYMAXDEPTH | |
51 | #else | |
52 | #define YYSTACKSIZE 300 | |
53 | #endif | |
54 | #endif | |
55 | int yydebug; | |
56 | int yynerrs; | |
57 | int yyerrflag; | |
58 | int yychar; | |
59 | short *yyssp; | |
60 | YYSTYPE *yyvsp; | |
61 | YYSTYPE yyval; | |
62 | YYSTYPE yylval; | |
63 | #define yystacksize YYSTACKSIZE | |
64 | short yyss[YYSTACKSIZE]; | |
65 | YYSTYPE yyvs[YYSTACKSIZE]; | |
66 | #line 4 "error.y" | |
67 | main(){printf("yyparse() = %d\n",yyparse());} | |
68 | yylex(){return-1;} | |
69 | yyerror(s)char*s;{printf("%s\n",s);} | |
70 | #line 70 "error.tab.c" | |
71 | #define YYABORT goto yyabort | |
72 | #define YYACCEPT goto yyaccept | |
73 | #define YYERROR goto yyerrlab | |
74 | int | |
75 | yyparse() | |
76 | { | |
77 | register int yym, yyn, yystate; | |
78 | #if YYDEBUG | |
79 | register char *yys; | |
80 | extern char *getenv(); | |
81 | ||
82 | if (yys = getenv("YYDEBUG")) | |
83 | { | |
84 | yyn = *yys; | |
85 | if (yyn == '0') | |
86 | yydebug = 0; | |
87 | else if (yyn >= '1' && yyn <= '9') | |
88 | yydebug = yyn - '0'; | |
89 | } | |
90 | #endif | |
91 | ||
92 | yynerrs = 0; | |
93 | yyerrflag = 0; | |
94 | yychar = (-1); | |
95 | ||
96 | yyssp = yyss; | |
97 | yyvsp = yyvs; | |
98 | *yyssp = yystate = 0; | |
99 | ||
100 | yyloop: | |
101 | if (yyn = yydefred[yystate]) goto yyreduce; | |
102 | if (yychar < 0) | |
103 | { | |
104 | if ((yychar = yylex()) < 0) yychar = 0; | |
105 | #if YYDEBUG | |
106 | if (yydebug) | |
107 | { | |
108 | yys = 0; | |
109 | if (yychar <= YYMAXTOKEN) yys = yyname[yychar]; | |
110 | if (!yys) yys = "illegal-symbol"; | |
111 | printf("yydebug: state %d, reading %d (%s)\n", yystate, | |
112 | yychar, yys); | |
113 | } | |
114 | #endif | |
115 | } | |
116 | if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 && | |
117 | yyn <= YYTABLESIZE && yycheck[yyn] == yychar) | |
118 | { | |
119 | #if YYDEBUG | |
120 | if (yydebug) | |
121 | printf("yydebug: state %d, shifting to state %d\n", | |
122 | yystate, yytable[yyn]); | |
123 | #endif | |
124 | if (yyssp >= yyss + yystacksize - 1) | |
125 | { | |
126 | goto yyoverflow; | |
127 | } | |
128 | *++yyssp = yystate = yytable[yyn]; | |
129 | *++yyvsp = yylval; | |
130 | yychar = (-1); | |
131 | if (yyerrflag > 0) --yyerrflag; | |
132 | goto yyloop; | |
133 | } | |
134 | if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 && | |
135 | yyn <= YYTABLESIZE && yycheck[yyn] == yychar) | |
136 | { | |
137 | yyn = yytable[yyn]; | |
138 | goto yyreduce; | |
139 | } | |
140 | if (yyerrflag) goto yyinrecovery; | |
141 | #ifdef lint | |
142 | goto yynewerror; | |
143 | #endif | |
144 | yynewerror: | |
145 | yyerror("syntax error"); | |
146 | #ifdef lint | |
147 | goto yyerrlab; | |
148 | #endif | |
149 | yyerrlab: | |
150 | ++yynerrs; | |
151 | yyinrecovery: | |
152 | if (yyerrflag < 3) | |
153 | { | |
154 | yyerrflag = 3; | |
155 | for (;;) | |
156 | { | |
157 | if ((yyn = yysindex[*yyssp]) && (yyn += YYERRCODE) >= 0 && | |
158 | yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE) | |
159 | { | |
160 | #if YYDEBUG | |
161 | if (yydebug) | |
162 | printf("yydebug: state %d, error recovery shifting\ | |
163 | to state %d\n", *yyssp, yytable[yyn]); | |
164 | #endif | |
165 | if (yyssp >= yyss + yystacksize - 1) | |
166 | { | |
167 | goto yyoverflow; | |
168 | } | |
169 | *++yyssp = yystate = yytable[yyn]; | |
170 | *++yyvsp = yylval; | |
171 | goto yyloop; | |
172 | } | |
173 | else | |
174 | { | |
175 | #if YYDEBUG | |
176 | if (yydebug) | |
177 | printf("yydebug: error recovery discarding state %d\n", | |
178 | *yyssp); | |
179 | #endif | |
180 | if (yyssp <= yyss) goto yyabort; | |
181 | --yyssp; | |
182 | --yyvsp; | |
183 | } | |
184 | } | |
185 | } | |
186 | else | |
187 | { | |
188 | if (yychar == 0) goto yyabort; | |
189 | #if YYDEBUG | |
190 | if (yydebug) | |
191 | { | |
192 | yys = 0; | |
193 | if (yychar <= YYMAXTOKEN) yys = yyname[yychar]; | |
194 | if (!yys) yys = "illegal-symbol"; | |
195 | printf("yydebug: state %d, error recovery discards token %d (%s)\n", | |
196 | yystate, yychar, yys); | |
197 | } | |
198 | #endif | |
199 | yychar = (-1); | |
200 | goto yyloop; | |
201 | } | |
202 | yyreduce: | |
203 | #if YYDEBUG | |
204 | if (yydebug) | |
205 | printf("yydebug: state %d, reducing by rule %d (%s)\n", | |
206 | yystate, yyn, yyrule[yyn]); | |
207 | #endif | |
208 | yym = yylen[yyn]; | |
209 | yyval = yyvsp[1-yym]; | |
210 | switch (yyn) | |
211 | { | |
212 | } | |
213 | yyssp -= yym; | |
214 | yystate = *yyssp; | |
215 | yyvsp -= yym; | |
216 | yym = yylhs[yyn]; | |
217 | if (yystate == 0 && yym == 0) | |
218 | { | |
219 | #ifdef YYDEBUG | |
220 | if (yydebug) | |
221 | printf("yydebug: after reduction, shifting from state 0 to\ | |
222 | state %d\n", YYFINAL); | |
223 | #endif | |
224 | yystate = YYFINAL; | |
225 | *++yyssp = YYFINAL; | |
226 | *++yyvsp = yyval; | |
227 | if (yychar < 0) | |
228 | { | |
229 | if ((yychar = yylex()) < 0) yychar = 0; | |
230 | #if YYDEBUG | |
231 | if (yydebug) | |
232 | { | |
233 | yys = 0; | |
234 | if (yychar <= YYMAXTOKEN) yys = yyname[yychar]; | |
235 | if (!yys) yys = "illegal-symbol"; | |
236 | printf("yydebug: state %d, reading %d (%s)\n", | |
237 | YYFINAL, yychar, yys); | |
238 | } | |
239 | #endif | |
240 | } | |
241 | if (yychar == 0) goto yyaccept; | |
242 | goto yyloop; | |
243 | } | |
244 | if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 && | |
245 | yyn <= YYTABLESIZE && yycheck[yyn] == yystate) | |
246 | yystate = yytable[yyn]; | |
247 | else | |
248 | yystate = yydgoto[yym]; | |
249 | #ifdef YYDEBUG | |
250 | if (yydebug) | |
251 | printf("yydebug: after reduction, shifting from state %d \ | |
252 | to state %d\n", *yyssp, yystate); | |
253 | #endif | |
254 | if (yyssp >= yyss + yystacksize - 1) | |
255 | { | |
256 | goto yyoverflow; | |
257 | } | |
258 | *++yyssp = yystate; | |
259 | *++yyvsp = yyval; | |
260 | goto yyloop; | |
261 | yyoverflow: | |
262 | yyerror("yacc stack overflow"); | |
263 | yyabort: | |
264 | return (1); | |
265 | yyaccept: | |
266 | return (0); | |
267 | } |