X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/e06f0c34427faedc7afbec9554adbffc4c87312e..8f52a1e790ca98162fc0625d81f3a032800d025e:/src/print.c diff --git a/src/print.c b/src/print.c index 17a47ab4..5f9ad9b6 100644 --- a/src/print.c +++ b/src/print.c @@ -1,114 +1,64 @@ /* Print information on generated parser, for bison, - Copyright (C) 1984, 1986, 1989 Free Software Foundation, Inc. + Copyright (C) 1984, 1986, 1989, 2000 Free Software Foundation, Inc. -This file is part of Bison, the GNU Compiler Compiler. + This file is part of Bison, the GNU Compiler Compiler. -Bison is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. + Bison is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. -Bison is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. + Bison is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. -You should have received a copy of the GNU General Public License -along with Bison; see the file COPYING. If not, write to -the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ + You should have received a copy of the GNU General Public License + along with Bison; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ -#include #include "system.h" -#include "machine.h" -#include "new.h" +#include "xalloc.h" #include "files.h" #include "gram.h" +#include "LR0.h" +#include "lalr.h" +#include "conflicts.h" +#include "getargs.h" #include "state.h" +#include "reader.h" +#include "print.h" - -extern char **tags; -extern int nstates; -extern short *accessing_symbol; -extern core **state_table; -extern shifts **shift_table; -extern errs **err_table; -extern reductions **reduction_table; -extern char *consistent; -extern char any_conflicts; -extern char *conflicts; -extern int final_state; - -extern void conflict_log(); -extern void verbose_conflict_log(); -extern void print_reductions(); - -void print_token(); -void print_state(); -void print_core(); -void print_actions(); -void print_grammar(); - -void -terse() -{ - if (any_conflicts) - { - conflict_log(); - } -} - - -void -verbose() -{ - register int i; - - if (any_conflicts) - verbose_conflict_log(); - - print_grammar(); - - for (i = 0; i < nstates; i++) - { - print_state(i); - } -} - - -void -print_token(extnum, token) -int extnum, token; +#if 0 +static void +print_token (int extnum, int token) { - fprintf(foutput, " type %d is %s\n", extnum, tags[token]); + fprintf (foutput, _(" type %d is %s\n"), extnum, tags[token]); } +#endif + +/*================================\ +| Report information on a state. | +\================================*/ -void -print_state(state) -int state; +static void +print_core (int state) { - fprintf(foutput, "\n\nstate %d\n\n", state); - print_core(state); - print_actions(state); -} - - -void -print_core(state) -int state; -{ - register int i; - register int k; - register int rule; - register core *statep; - register short *sp; - register short *sp1; + int i; + int k; + int rule; + core *statep; + short *sp; + short *sp1; statep = state_table[state]; k = statep->nitems; - if (k == 0) return; + if (k == 0) + return; for (i = 0; i < k; i++) { @@ -118,41 +68,39 @@ int state; sp++; rule = -(*sp); - fprintf(foutput, " %s -> ", tags[rlhs[rule]]); + fprintf (foutput, " %s -> ", tags[rlhs[rule]]); for (sp = ritem + rrhs[rule]; sp < sp1; sp++) { - fprintf(foutput, "%s ", tags[*sp]); + fprintf (foutput, "%s ", tags[*sp]); } - putc('.', foutput); + putc ('.', foutput); while (*sp > 0) { - fprintf(foutput, " %s", tags[*sp]); + fprintf (foutput, " %s", tags[*sp]); sp++; } - fprintf (foutput, " (rule %d)", rule); - putc('\n', foutput); + fprintf (foutput, _(" (rule %d)"), rule); + putc ('\n', foutput); } - putc('\n', foutput); + putc ('\n', foutput); } - -void -print_actions(state) -int state; +static void +print_actions (int state) { - register int i; - register int k; - register int state1; - register int symbol; - register shifts *shiftp; - register errs *errp; - register reductions *redp; - register int rule; + int i; + int k; + int state1; + int symbol; + shifts *shiftp; + errs *errp; + reductions *redp; + int rule; shiftp = shift_table[state]; redp = reduction_table[state]; @@ -161,9 +109,9 @@ int state; if (!shiftp && !redp) { if (final_state == state) - fprintf(foutput, " $default\taccept\n"); + fprintf (foutput, _(" $default\taccept\n")); else - fprintf(foutput, " NO ACTIONS\n"); + fprintf (foutput, _(" NO ACTIONS\n")); return; } @@ -173,20 +121,22 @@ int state; for (i = 0; i < k; i++) { - if (! shiftp->shifts[i]) continue; + if (!shiftp->shifts[i]) + continue; state1 = shiftp->shifts[i]; symbol = accessing_symbol[state1]; /* The following line used to be turned off. */ - if (ISVAR(symbol)) break; - if (symbol==0) /* I.e. strcmp(tags[symbol],"$")==0 */ - fprintf(foutput, " $ \tgo to state %d\n", state1); - else - fprintf(foutput, " %-4s\tshift, and go to state %d\n", - tags[symbol], state1); + if (ISVAR (symbol)) + break; + if (symbol == 0) /* I.e. strcmp(tags[symbol],"$")==0 */ + fprintf (foutput, _(" $ \tgo to state %d\n"), state1); + else + fprintf (foutput, _(" %-4s\tshift, and go to state %d\n"), + tags[symbol], state1); } if (i > 0) - putc('\n', foutput); + putc ('\n', foutput); } else { @@ -202,73 +152,100 @@ int state; for (j = 0; j < nerrs; j++) { - if (! errp->errs[j]) continue; + if (!errp->errs[j]) + continue; symbol = errp->errs[j]; - fprintf(foutput, " %-4s\terror (nonassociative)\n", tags[symbol]); + fprintf (foutput, _(" %-4s\terror (nonassociative)\n"), + tags[symbol]); } if (j > 0) - putc('\n', foutput); + putc ('\n', foutput); } if (consistent[state] && redp) { rule = redp->rules[0]; symbol = rlhs[rule]; - fprintf(foutput, " $default\treduce using rule %d (%s)\n\n", - rule, tags[symbol]); + fprintf (foutput, _(" $default\treduce using rule %d (%s)\n\n"), + rule, tags[symbol]); } else if (redp) { - print_reductions(state); + print_reductions (state); } if (i < k) { for (; i < k; i++) { - if (! shiftp->shifts[i]) continue; + if (!shiftp->shifts[i]) + continue; state1 = shiftp->shifts[i]; symbol = accessing_symbol[state1]; - fprintf(foutput, " %-4s\tgo to state %d\n", tags[symbol], state1); + fprintf (foutput, _(" %-4s\tgo to state %d\n"), tags[symbol], + state1); } - putc('\n', foutput); + putc ('\n', foutput); } } -#define END_TEST(end) \ - if (column + strlen(buffer) > (end)) \ - { fprintf (foutput, "%s\n ", buffer); column = 3; buffer[0] = 0; } \ - else - -void -print_grammar() +static void +print_state (int state) +{ + fputs ("\n\n", foutput); + fprintf (foutput, _("state %d"), state); + fputs ("\n\n", foutput); + print_core (state); + print_actions (state); +} + +/*-----------------------------------------. +| Print information on the whole grammar. | +`-----------------------------------------*/ + +#define END_TEST(end) \ + do { \ + if (column + strlen(buffer) > (end)) { \ + fprintf (foutput, "%s\n ", buffer); \ + column = 3; \ + buffer[0] = 0; \ + } \ + } while (0) + + +static void +print_grammar (void) { int i, j; - short* rule; + short *rule; char buffer[90]; int column = 0; /* rule # : LHS -> RHS */ - fputs("\nGrammar\n", foutput); + putc ('\n', foutput); + fputs (_("Grammar"), foutput); + putc ('\n', foutput); for (i = 1; i <= nrules; i++) /* Don't print rules disabled in reduce_grammar_tables. */ if (rlhs[i] >= 0) { - fprintf(foutput, "rule %-4d %s ->", i, tags[rlhs[i]]); + fprintf (foutput, _("rule %-4d %s ->"), i, tags[rlhs[i]]); rule = &ritem[rrhs[i]]; if (*rule > 0) while (*rule > 0) - fprintf(foutput, " %s", tags[*rule++]); + fprintf (foutput, " %s", tags[*rule++]); else - fputs (" /* empty */", foutput); - putc('\n', foutput); + fputs (_(" /* empty */"), foutput); + putc ('\n', foutput); } /* TERMINAL (type #) : rule #s terminal is on RHS */ - fputs("\nTerminals, with rules where they appear\n\n", foutput); - fprintf(foutput, "%s (-1)\n", tags[0]); + fputs ("\n", foutput); + fputs (_("Terminals, with rules where they appear"), foutput); + fputs ("\n\n", foutput); + fprintf (foutput, "%s (-1)\n", tags[0]); if (translations) { for (i = 0; i <= max_user_token_number; i++) @@ -276,7 +253,7 @@ print_grammar() { buffer[0] = 0; column = strlen (tags[token_translations[i]]); - fprintf(foutput, "%s", tags[token_translations[i]]); + fprintf (foutput, "%s", tags[token_translations[i]]); END_TEST (50); sprintf (buffer, " (%d)", i); @@ -286,7 +263,7 @@ print_grammar() if (*rule == token_translations[i]) { END_TEST (65); - sprintf (buffer + strlen(buffer), " %d", j); + sprintf (buffer + strlen (buffer), " %d", j); break; } } @@ -298,7 +275,7 @@ print_grammar() { buffer[0] = 0; column = strlen (tags[i]); - fprintf(foutput, "%s", tags[i]); + fprintf (foutput, "%s", tags[i]); END_TEST (50); sprintf (buffer, " (%d)", i); @@ -308,14 +285,16 @@ print_grammar() if (*rule == i) { END_TEST (65); - sprintf (buffer + strlen(buffer), " %d", j); + sprintf (buffer + strlen (buffer), " %d", j); break; } } fprintf (foutput, "%s\n", buffer); } - fputs("\nNonterminals, with rules where they appear\n\n", foutput); + fputs ("\n", foutput); + fputs (_("Nonterminals, with rules where they appear"), foutput); + fputs ("\n\n", foutput); for (i = ntokens; i <= nsyms - 1; i++) { int left_count = 0, right_count = 0; @@ -333,7 +312,7 @@ print_grammar() } buffer[0] = 0; - fprintf(foutput, "%s", tags[i]); + fprintf (foutput, "%s", tags[i]); column = strlen (tags[i]); sprintf (buffer, " (%d)", i); END_TEST (0); @@ -341,29 +320,29 @@ print_grammar() if (left_count > 0) { END_TEST (50); - sprintf (buffer + strlen(buffer), " on left:"); + sprintf (buffer + strlen (buffer), _(" on left:")); for (j = 1; j <= nrules; j++) { END_TEST (65); if (rlhs[j] == i) - sprintf (buffer + strlen(buffer), " %d", j); + sprintf (buffer + strlen (buffer), " %d", j); } } if (right_count > 0) { if (left_count > 0) - sprintf (buffer + strlen(buffer), ","); + sprintf (buffer + strlen (buffer), ","); END_TEST (50); - sprintf (buffer + strlen(buffer), " on right:"); + sprintf (buffer + strlen (buffer), _(" on right:")); for (j = 1; j <= nrules; j++) { for (rule = &ritem[rrhs[j]]; *rule > 0; rule++) if (*rule == i) { END_TEST (65); - sprintf (buffer + strlen(buffer), " %d", j); + sprintf (buffer + strlen (buffer), " %d", j); break; } } @@ -371,3 +350,19 @@ print_grammar() fprintf (foutput, "%s\n", buffer); } } + +void +print_results (void) +{ + int i; + + if (any_conflicts) + print_conflicts (); + + if (verbose_flag) + print_grammar (); + + if (verbose_flag) + for (i = 0; i < nstates; i++) + print_state (i); +}