home *** CD-ROM | disk | FTP | other *** search
- /***********************************************************
- Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
- The Netherlands.
-
- All Rights Reserved
-
- Permission to use, copy, modify, and distribute this software and its
- documentation for any purpose and without fee is hereby granted,
- provided that the above copyright notice appear in all copies and that
- both that copyright notice and this permission notice appear in
- supporting documentation, and that the names of Stichting Mathematisch
- Centrum or CWI or Corporation for National Research Initiatives or
- CNRI not be used in advertising or publicity pertaining to
- distribution of the software without specific, written prior
- permission.
-
- While CWI is the initial source for this software, a modified version
- is made available by the Corporation for National Research Initiatives
- (CNRI) at the Internet address ftp://ftp.python.org.
-
- STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
- REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
- MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
- CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
- DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
- PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- PERFORMANCE OF THIS SOFTWARE.
-
- ******************************************************************/
-
- /* Print a bunch of C initializers that represent a grammar */
-
- #include "pgenheaders.h"
- #include "grammar.h"
-
- /* Forward */
- static void printarcs PROTO((int, dfa *, FILE *));
- static void printstates PROTO((grammar *, FILE *));
- static void printdfas PROTO((grammar *, FILE *));
- static void printlabels PROTO((grammar *, FILE *));
-
- void
- printgrammar(g, fp)
- grammar *g;
- FILE *fp;
- {
- fprintf(fp, "#include \"pgenheaders.h\"\n");
- fprintf(fp, "#include \"grammar.h\"\n");
- printdfas(g, fp);
- printlabels(g, fp);
- fprintf(fp, "grammar gram = {\n");
- fprintf(fp, "\t%d,\n", g->g_ndfas);
- fprintf(fp, "\tdfas,\n");
- fprintf(fp, "\t{%d, labels},\n", g->g_ll.ll_nlabels);
- fprintf(fp, "\t%d\n", g->g_start);
- fprintf(fp, "};\n");
- }
-
- void
- printnonterminals(g, fp)
- grammar *g;
- FILE *fp;
- {
- dfa *d;
- int i;
-
- d = g->g_dfa;
- for (i = g->g_ndfas; --i >= 0; d++)
- fprintf(fp, "#define %s %d\n", d->d_name, d->d_type);
- }
-
- static void
- printarcs(i, d, fp)
- int i;
- dfa *d;
- FILE *fp;
- {
- arc *a;
- state *s;
- int j, k;
-
- s = d->d_state;
- for (j = 0; j < d->d_nstates; j++, s++) {
- fprintf(fp, "static arc arcs_%d_%d[%d] = {\n",
- i, j, s->s_narcs);
- a = s->s_arc;
- for (k = 0; k < s->s_narcs; k++, a++)
- fprintf(fp, "\t{%d, %d},\n", a->a_lbl, a->a_arrow);
- fprintf(fp, "};\n");
- }
- }
-
- static void
- printstates(g, fp)
- grammar *g;
- FILE *fp;
- {
- state *s;
- dfa *d;
- int i, j;
-
- d = g->g_dfa;
- for (i = 0; i < g->g_ndfas; i++, d++) {
- printarcs(i, d, fp);
- fprintf(fp, "static state states_%d[%d] = {\n",
- i, d->d_nstates);
- s = d->d_state;
- for (j = 0; j < d->d_nstates; j++, s++)
- fprintf(fp, "\t{%d, arcs_%d_%d},\n",
- s->s_narcs, i, j);
- fprintf(fp, "};\n");
- }
- }
-
- static void
- printdfas(g, fp)
- grammar *g;
- FILE *fp;
- {
- dfa *d;
- int i, j;
-
- printstates(g, fp);
- fprintf(fp, "static dfa dfas[%d] = {\n", g->g_ndfas);
- d = g->g_dfa;
- for (i = 0; i < g->g_ndfas; i++, d++) {
- fprintf(fp, "\t{%d, \"%s\", %d, %d, states_%d,\n",
- d->d_type, d->d_name, d->d_initial, d->d_nstates, i);
- fprintf(fp, "\t \"");
- for (j = 0; j < NBYTES(g->g_ll.ll_nlabels); j++)
- fprintf(fp, "\\%03o", d->d_first[j] & 0xff);
- fprintf(fp, "\"},\n");
- }
- fprintf(fp, "};\n");
- }
-
- static void
- printlabels(g, fp)
- grammar *g;
- FILE *fp;
- {
- label *l;
- int i;
-
- fprintf(fp, "static label labels[%d] = {\n", g->g_ll.ll_nlabels);
- l = g->g_ll.ll_label;
- for (i = g->g_ll.ll_nlabels; --i >= 0; l++) {
- if (l->lb_str == NULL)
- fprintf(fp, "\t{%d, 0},\n", l->lb_type);
- else
- fprintf(fp, "\t{%d, \"%s\"},\n",
- l->lb_type, l->lb_str);
- }
- fprintf(fp, "};\n");
- }
-