X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/6e30ede87a1c39c53842a6a747ecd9f7484d92a5..4323e0dac386d777d070c68564f1c0041b06935d:/src/gram.c diff --git a/src/gram.c b/src/gram.c index 10a1953a..ef5353a6 100644 --- a/src/gram.c +++ b/src/gram.c @@ -1,7 +1,7 @@ /* Allocate input grammar variables for Bison. - Copyright (C) 1984, 1986, 1989, 2001, 2002, 2003, 2005, 2006, 2007, - 2008, 2009, 2010 Free Software Foundation, Inc. + Copyright (C) 1984, 1986, 1989, 2001-2003, 2005-2012 Free Software + Foundation, Inc. This file is part of Bison, the GNU Compiler Compiler. @@ -21,13 +21,13 @@ #include #include "system.h" -#include - +#include "complain.h" +#include "getargs.h" #include "gram.h" +#include "print-xml.h" #include "reader.h" #include "reduce.h" #include "symtab.h" -#include "print-xml.h" /* Comments for these variables are in gram.h. */ @@ -76,7 +76,7 @@ rule_lhs_print (rule *r, symbol *previous_lhs, FILE *out) { int n; for (n = strlen (previous_lhs->tag); n > 0; --n) - fputc (' ', out); + fputc (' ', out); fputc ('|', out); } } @@ -87,10 +87,10 @@ rule_lhs_print_xml (rule *r, FILE *out, int level) xml_printf (out, level, "%s", r->lhs->tag); } -int +size_t rule_rhs_length (rule *r) { - int res = 0; + size_t res = 0; item_number *rhsp; for (rhsp = r->rhs; *rhsp >= 0; ++rhsp) ++res; @@ -104,12 +104,11 @@ rule_rhs_print (rule *r, FILE *out) { item_number *rp; for (rp = r->rhs; *rp >= 0; rp++) - fprintf (out, " %s", symbols[*rp]->tag); - fputc ('\n', out); + fprintf (out, " %s", symbols[*rp]->tag); } else { - fprintf (out, " /* %s */\n", _("empty")); + fprintf (out, " /* %s */", _("empty")); } } @@ -121,8 +120,8 @@ rule_rhs_print_xml (rule *r, FILE *out, int level) item_number *rp; xml_puts (out, level, ""); for (rp = r->rhs; *rp >= 0; rp++) - xml_printf (out, level + 1, "%s", - xml_escape (symbols[*rp]->tag)); + xml_printf (out, level + 1, "%s", + xml_escape (symbols[*rp]->tag)); xml_puts (out, level, ""); } else @@ -133,7 +132,7 @@ rule_rhs_print_xml (rule *r, FILE *out, int level) } } -void +static void rule_print (rule *r, FILE *out) { fprintf (out, "%s:", r->lhs->tag); @@ -163,7 +162,7 @@ ritem_longest_rhs (void) { int length = rule_rhs_length (&rules[r]); if (length > max) - max = length; + max = length; } return max; @@ -171,7 +170,7 @@ ritem_longest_rhs (void) void grammar_rules_partial_print (FILE *out, const char *title, - rule_filter filter) + rule_filter filter) { rule_number r; bool first = true; @@ -181,14 +180,15 @@ grammar_rules_partial_print (FILE *out, const char *title, for (r = 0; r < nrules + nuseless_productions; r++) { if (filter && !filter (&rules[r])) - continue; + continue; if (first) - fprintf (out, "%s\n\n", title); + fprintf (out, "%s\n\n", title); else if (previous_lhs && previous_lhs != rules[r].lhs) - fputc ('\n', out); + fputc ('\n', out); first = false; rule_lhs_print (&rules[r], previous_lhs, out); rule_rhs_print (&rules[r], out); + fprintf (out, "\n"); previous_lhs = rules[r].lhs; } if (!first) @@ -210,7 +210,7 @@ grammar_rules_print_xml (FILE *out, int level) for (r = 0; r < nrules + nuseless_productions; r++) { if (first) - xml_puts (out, level + 1, ""); + xml_puts (out, level + 1, ""); first = false; { char const *usefulness; @@ -243,8 +243,8 @@ grammar_dump (FILE *out, const char *title) { fprintf (out, "%s\n\n", title); fprintf (out, - "ntokens = %d, nvars = %d, nsyms = %d, nrules = %d, nritems = %d\n\n", - ntokens, nvars, nsyms, nrules, nritems); + "ntokens = %d, nvars = %d, nsyms = %d, nrules = %d, nritems = %d\n\n", + ntokens, nvars, nsyms, nrules, nritems); fprintf (out, "Variables\n---------\n\n"); @@ -254,9 +254,9 @@ grammar_dump (FILE *out, const char *title) for (i = ntokens; i < nsyms; i++) fprintf (out, "%5d %5d %5d %s\n", - i, - symbols[i]->prec, symbols[i]->assoc, - symbols[i]->tag); + i, + symbols[i]->prec, symbols[i]->assoc, + symbols[i]->tag); fprintf (out, "\n\n"); } @@ -266,25 +266,25 @@ grammar_dump (FILE *out, const char *title) fprintf (out, "Num (Prec, Assoc, Useful, Ritem Range) Lhs -> Rhs (Ritem range) [Num]\n"); for (i = 0; i < nrules + nuseless_productions; i++) { - rule *rule_i = &rules[i]; - item_number *rp = NULL; - unsigned int rhs_itemno = rule_i->rhs - ritem; - unsigned int rhs_count = 0; - /* Find the last RHS index in ritems. */ - for (rp = rule_i->rhs; *rp >= 0; ++rp) - ++rhs_count; - fprintf (out, "%3d (%2d, %2d, %2d, %2u-%2u) %2d ->", - i, - rule_i->prec ? rule_i->prec->prec : 0, - rule_i->prec ? rule_i->prec->assoc : 0, - rule_i->useful, - rhs_itemno, - rhs_itemno + rhs_count - 1, - rule_i->lhs->number); - /* Dumped the RHS. */ - for (rp = rule_i->rhs; *rp >= 0; rp++) - fprintf (out, " %3d", *rp); - fprintf (out, " [%d]\n", item_number_as_rule_number (*rp)); + rule *rule_i = &rules[i]; + item_number *rp = NULL; + unsigned int rhs_itemno = rule_i->rhs - ritem; + unsigned int rhs_count = 0; + /* Find the last RHS index in ritems. */ + for (rp = rule_i->rhs; *rp >= 0; ++rp) + ++rhs_count; + fprintf (out, "%3d (%2d, %2d, %2d, %2u-%2u) %2d ->", + i, + rule_i->prec ? rule_i->prec->prec : 0, + rule_i->prec ? rule_i->prec->assoc : 0, + rule_i->useful, + rhs_itemno, + rhs_itemno + rhs_count - 1, + rule_i->lhs->number); + /* Dumped the RHS. */ + for (rp = rule_i->rhs; *rp >= 0; rp++) + fprintf (out, " %3d", *rp); + fprintf (out, " [%d]\n", item_number_as_rule_number (*rp)); } } fprintf (out, "\n\n"); @@ -294,8 +294,9 @@ grammar_dump (FILE *out, const char *title) rule_number r; for (r = 0; r < nrules + nuseless_productions; r++) { - fprintf (out, "%-5d ", r); - rule_print (&rules[r], out); + fprintf (out, "%-5d ", r); + rule_print (&rules[r], out); + fprintf (out, "\n"); } } fprintf (out, "\n\n"); @@ -304,14 +305,19 @@ grammar_dump (FILE *out, const char *title) void grammar_rules_useless_report (const char *message) { - rule_number r; - for (r = 0; r < nrules ; ++r) - if (!rules[r].useful) - { - location_print (stderr, rules[r].location); - fprintf (stderr, ": %s: %s: ", _("warning"), message); - rule_print (&rules[r], stderr); - } + warnings w = Wother; + if (warnings_flag & w) + { + rule_number r; + for (r = 0; r < nrules ; ++r) + if (!rules[r].useful) + { + complain_at (rules[r].location, w | silent, "%s: ", message); + rule_print (&rules[r], stderr); + warnings_print_categories (w); + fprintf (stderr, "\n"); + } + } } void