1 /* This file generated automatically using
2 * @Id: skel2c,v 1.4 2016/06/07 00:26:09 tom Exp @
5 /* @Id: yaccpar.skel,v 1.7 2016/06/06 23:35:55 Tom.Shields Exp @ */
9 /* If the skeleton is changed, the banner should be changed so that */
10 /* the altered version can be easily distinguished from the original. */
12 /* The #defines included with the banner are there because they are */
13 /* useful in subsequent code. The macros #defined in the header or */
14 /* the body either are not useful outside of semantic actions or */
15 /* are conditional. */
17 const char *const banner[] =
19 "/* original parser id follows */",
20 "/* yysccsid[] = \"@(#)yaccpar 1.9 (Berkeley) 02/21/93\" */",
21 "/* (use YYMAJOR/YYMINOR for ifdefs dependent on parser version) */",
24 CONCAT1("#define YYMAJOR ", YYMAJOR),
25 CONCAT1("#define YYMINOR ", YYMINOR),
27 CONCAT1("#define YYPATCH ", YYPATCH),
30 "#define YYEMPTY (-1)",
31 "#define yyclearin (yychar = YYEMPTY)",
32 "#define yyerrok (yyerrflag = 0)",
33 "#define YYRECOVERING() (yyerrflag != 0)",
34 "#define YYENOMEM (-2)",
39 const char *const xdecls[] =
42 "extern int YYPARSE_DECL();",
46 const char *const tables[] =
48 "extern YYINT yylhs[];",
49 "extern YYINT yylen[];",
50 "extern YYINT yydefred[];",
51 "extern YYINT yydgoto[];",
52 "extern YYINT yysindex[];",
53 "extern YYINT yyrindex[];",
54 "extern YYINT yygindex[];",
55 "extern YYINT yytable[];",
56 "extern YYINT yycheck[];",
58 "#if YYDEBUG || defined(yytname)",
59 "extern char *yyname[];",
62 "extern char *yyrule[];",
67 const char *const global_vars[] =
75 const char *const impure_vars[] =
85 const char *const hdr_defs[] =
88 "/* define the initial stack-sizes */",
91 "#define YYMAXDEPTH YYSTACKSIZE",
94 "#define YYSTACKSIZE YYMAXDEPTH",
96 "#define YYSTACKSIZE 10000",
97 "#define YYMAXDEPTH 10000",
101 "#define YYINITSTACKSIZE 200",
104 " unsigned stacksize;",
114 const char *const hdr_vars[] =
116 "/* variables for the parser stack */",
117 "static YYSTACKDATA yystack;",
121 const char *const body_vars[] =
128 " /* variables for the parser stack */",
129 " YYSTACKDATA yystack;",
133 const char *const body_1[] =
137 "#include <stdio.h> /* needed for printf */",
140 "#include <stdlib.h> /* needed for malloc, etc */",
141 "#include <string.h> /* needed for memset */",
143 "/* allocate initial stack or double stack size, up to YYMAXDEPTH */",
144 "static int yygrowstack(YYSTACKDATA *data)",
147 " unsigned newsize;",
151 " if ((newsize = data->stacksize) == 0)",
152 " newsize = YYINITSTACKSIZE;",
153 " else if (newsize >= YYMAXDEPTH)",
155 " else if ((newsize *= 2) > YYMAXDEPTH)",
156 " newsize = YYMAXDEPTH;",
158 " i = (int) (data->s_mark - data->s_base);",
159 " newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss));",
163 " data->s_base = newss;",
164 " data->s_mark = newss + i;",
166 " newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));",
170 " data->l_base = newvs;",
171 " data->l_mark = newvs + i;",
173 " data->stacksize = newsize;",
174 " data->s_last = data->s_base + newsize - 1;",
178 "#if YYPURE || defined(YY_NO_LEAKS)",
179 "static void yyfreestack(YYSTACKDATA *data)",
181 " free(data->s_base);",
182 " free(data->l_base);",
183 " memset(data, 0, sizeof(*data));",
186 "#define yyfreestack(data) /* nothing */",
189 "#define YYABORT goto yyabort",
190 "#define YYREJECT goto yyabort",
191 "#define YYACCEPT goto yyaccept",
192 "#define YYERROR goto yyerrlab",
200 const char *const body_2[] =
202 " int yym, yyn, yystate;",
206 " if ((yys = getenv(\"YYDEBUG\")) != 0)",
209 " if (yyn >= '0' && yyn <= '9')",
210 " yydebug = yyn - '0';",
217 const char *const body_3[] =
223 " yychar = YYEMPTY;",
227 " memset(&yystack, 0, sizeof(yystack));",
230 " if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;",
231 " yystack.s_mark = yystack.s_base;",
232 " yystack.l_mark = yystack.l_base;",
234 " *yystack.s_mark = 0;",
237 " if ((yyn = yydefred[yystate]) != 0) goto yyreduce;",
241 " if (yychar < 0) yychar = YYEOF;",
245 " if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];",
246 " printf(\"%sdebug: state %d, reading %d (%s)\\n\",",
247 " YYPREFIX, yystate, yychar, yys);",
251 " if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 &&",
252 " yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)",
256 " printf(\"%sdebug: state %d, shifting to state %d\\n\",",
257 " YYPREFIX, yystate, yytable[yyn]);",
259 " if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;",
260 " yystate = yytable[yyn];",
261 " *++yystack.s_mark = yytable[yyn];",
262 " *++yystack.l_mark = yylval;",
263 " yychar = YYEMPTY;",
264 " if (yyerrflag > 0) --yyerrflag;",
267 " if (((yyn = yyrindex[yystate]) != 0) && (yyn += yychar) >= 0 &&",
268 " yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)",
270 " yyn = yytable[yyn];",
273 " if (yyerrflag != 0) goto yyinrecovery;",
275 " YYERROR_CALL(\"syntax error\");",
277 " goto yyerrlab; /* redundant goto avoids 'unused label' warning */",
282 " if (yyerrflag < 3)",
287 " if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 &&",
288 " yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE)",
292 " printf(\"%sdebug: state %d, error recovery shifting\\",
293 " to state %d\\n\", YYPREFIX, *yystack.s_mark, yytable[yyn]);",
295 " if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;",
296 " yystate = yytable[yyn];",
297 " *++yystack.s_mark = yytable[yyn];",
298 " *++yystack.l_mark = yylval;",
305 " printf(\"%sdebug: error recovery discarding state %d\\n\",",
306 " YYPREFIX, *yystack.s_mark);",
308 " if (yystack.s_mark <= yystack.s_base) goto yyabort;",
309 " --yystack.s_mark;",
310 " --yystack.l_mark;",
316 " if (yychar == YYEOF) goto yyabort;",
320 " if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];",
321 " printf(\"%sdebug: state %d, error recovery discards token %d (%s)\\n\",",
322 " YYPREFIX, yystate, yychar, yys);",
325 " yychar = YYEMPTY;",
332 " printf(\"%sdebug: state %d, reducing by rule %d (%s)\\n\",",
333 " YYPREFIX, yystate, yyn, yyrule[yyn]);",
335 " yym = yylen[yyn];",
337 " yyval = yystack.l_mark[1-yym];",
339 " memset(&yyval, 0, sizeof yyval);",
346 const char *const trailer[] =
349 " yystack.s_mark -= yym;",
350 " yystate = *yystack.s_mark;",
351 " yystack.l_mark -= yym;",
352 " yym = yylhs[yyn];",
353 " if (yystate == 0 && yym == 0)",
357 " printf(\"%sdebug: after reduction, shifting from state 0 to\\",
358 " state %d\\n\", YYPREFIX, YYFINAL);",
360 " yystate = YYFINAL;",
361 " *++yystack.s_mark = YYFINAL;",
362 " *++yystack.l_mark = yyval;",
366 " if (yychar < 0) yychar = YYEOF;",
370 " if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];",
371 " printf(\"%sdebug: state %d, reading %d (%s)\\n\",",
372 " YYPREFIX, YYFINAL, yychar, yys);",
376 " if (yychar == YYEOF) goto yyaccept;",
379 " if (((yyn = yygindex[yym]) != 0) && (yyn += yystate) >= 0 &&",
380 " yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yystate)",
381 " yystate = yytable[yyn];",
383 " yystate = yydgoto[yym];",
386 " printf(\"%sdebug: after reduction, shifting from state %d \\",
387 "to state %d\\n\", YYPREFIX, *yystack.s_mark, yystate);",
389 " if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;",
390 " *++yystack.s_mark = (YYINT) yystate;",
391 " *++yystack.l_mark = yyval;",
395 " YYERROR_CALL(\"yacc stack overflow\");",
398 " yyfreestack(&yystack);",
402 " yyfreestack(&yystack);",
409 write_section(FILE * fp, const char *const section[])
414 for (i = 0; (s = section[i]) != 0; ++i)
418 fprintf(fp, "%s\n", s);