X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/87ceef7346e3e217534007843d45f88d65ab3f04..8c182d059230c46d9c641503c87cdc675f8cfe4f:/src/output.c?ds=sidebyside diff --git a/src/output.c b/src/output.c index 7a687513..124c0d9f 100644 --- a/src/output.c +++ b/src/output.c @@ -1,6 +1,6 @@ /* Output the generated parsing program for Bison. - Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002 + Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. This file is part of Bison, the GNU Compiler Compiler. @@ -45,7 +45,7 @@ void scan_skel (FILE *); static struct obstack format_obstack; -int error_verbose = 0; +bool error_verbose = false; @@ -159,31 +159,30 @@ prepare_symbols (void) /* tname -- token names. */ { int i; - int j = 0; + /* We assume that the table will be output starting at column 2. */ + int j = 2; for (i = 0; i < nsyms; i++) { - /* Be sure not to use twice the same QUOTEARG slot: - SYMBOL_TAG_GET uses slot 0. */ - const char *cp = - quotearg_n_style (1, c_quoting_style, - symbols[i]->tag); - /* Width of the next token, including the two quotes, the comma - and the space. */ + const char *cp = quotearg_style (c_quoting_style, symbols[i]->tag); + /* Width of the next token, including the two quotes, the + comma and the space. */ int width = strlen (cp) + 2; if (j + width > 75) { - obstack_sgrow (&format_obstack, "\n "); - j = 2; + obstack_sgrow (&format_obstack, "\n "); + j = 1; } + if (i) + obstack_1grow (&format_obstack, ' '); MUSCLE_OBSTACK_SGROW (&format_obstack, cp); - obstack_sgrow (&format_obstack, ", "); + obstack_1grow (&format_obstack, ','); j += width; } /* Add a NULL entry to list of tokens (well, 0, as NULL might not be defined). */ - obstack_sgrow (&format_obstack, "0"); + obstack_sgrow (&format_obstack, " 0"); /* Finish table and store. */ obstack_1grow (&format_obstack, 0); @@ -254,6 +253,7 @@ prepare_rules (void) muscle_insert_short_table ("merger", merger, 0, 0, nrules); MUSCLE_INSERT_INT ("rules_number", nrules); + MUSCLE_INSERT_INT ("max_left_semantic_context", max_left_semantic_context); free (rhs); free (prhs); @@ -325,10 +325,10 @@ merger_output (FILE *out) for (n = 1, p = merge_functions; p != NULL; n += 1, p = p->next) { if (p->type[0] == '\0') - fprintf (out, " case %d: yyval = %s (*yy0, *yy1); break;\n", + fprintf (out, " case %d: *yy0 = %s (*yy0, *yy1); break;\n", n, p->name); else - fprintf (out, " case %d: yyval.%s = %s (*yy0, *yy1); break;\n", + fprintf (out, " case %d: yy0->%s = %s (*yy0, *yy1); break;\n", n, p->type, p->name); } fputs ("]])\n\n", out); @@ -342,7 +342,7 @@ static void token_definitions_output (FILE *out) { int i; - int first = 1; + char const *sep = ""; fputs ("m4_define([b4_tokens], \n[", out); for (i = 0; i < ntokens; ++i) @@ -377,9 +377,8 @@ token_definitions_output (FILE *out) continue; fprintf (out, "%s[[[%s]], [%d]]", - first ? "" : ",\n", sym->tag, number); - - first = 0; + sep, sym->tag, number); + sep = ",\n"; } fputs ("])\n\n", out); } @@ -393,7 +392,7 @@ static void symbol_destructors_output (FILE *out) { int i; - int first = 1; + char const *sep = ""; fputs ("m4_define([b4_symbol_destructors], \n[", out); for (i = 0; i < nsyms; ++i) @@ -404,8 +403,8 @@ symbol_destructors_output (FILE *out) /* Filename, lineno, Symbol-name, Symbol-number, destructor, typename. */ - fprintf (out, "%s[", - first ? "" : ",\n"); + fprintf (out, "%s[", sep); + sep = ",\n"; escaped_file_name_output (out, sym->destructor_location.start.file); fprintf (out, ", [[%d]], [[%s]], [[%d]], [[%s]], [[%s]]]", sym->destructor_location.start.line, @@ -413,8 +412,6 @@ symbol_destructors_output (FILE *out) sym->number, sym->destructor, sym->type_name); - - first = 0; } fputs ("])\n\n", out); } @@ -428,19 +425,19 @@ static void symbol_printers_output (FILE *out) { int i; - int first = 1; + char const *sep = ""; fputs ("m4_define([b4_symbol_printers], \n[", out); for (i = 0; i < nsyms; ++i) - if (symbols[i]->destructor) + if (symbols[i]->printer) { symbol *sym = symbols[i]; /* Filename, lineno, Symbol-name, Symbol-number, printer, typename. */ - fprintf (out, "%s[", - first ? "" : ",\n"); + fprintf (out, "%s[", sep); + sep = ",\n"; escaped_file_name_output (out, sym->printer_location.start.file); fprintf (out, ", [[%d]], [[%s]], [[%d]], [[%s]], [[%s]]]", sym->printer_location.start.line, @@ -448,8 +445,6 @@ symbol_printers_output (FILE *out) sym->number, sym->printer, sym->type_name); - - first = 0; } fputs ("])\n\n", out); } @@ -513,7 +508,7 @@ output_skeleton (void) FILE *in; FILE *out; int filter_fd[2]; - char const *argv[7]; + char const *argv[6]; pid_t pid; /* Compute the names of the package data dir and skeleton file. @@ -521,6 +516,8 @@ output_skeleton (void) installation. A faulty installation can cause deadlock, so a cheap sanity check is worthwhile. */ char const m4sugar[] = "m4sugar/m4sugar.m4"; + char *full_m4sugar; + char *full_cm4; char *full_path; char const *p; char const *m4 = (p = getenv ("M4")) ? p : M4; @@ -535,25 +532,29 @@ output_skeleton (void) strcpy (full_path, pkgdatadir); full_path[pkgdatadirlen] = '/'; strcpy (full_path + pkgdatadirlen + 1, m4sugar); - xfclose (xfopen (full_path, "r")); + full_m4sugar = xstrdup (full_path); + strcpy (full_path + pkgdatadirlen + 1, "c.m4"); + full_cm4 = xstrdup (full_path); strcpy (full_path + pkgdatadirlen + 1, skeleton); + xfclose (xfopen (full_m4sugar, "r")); /* Create an m4 subprocess connected to us via two pipes. */ if (trace_flag & trace_tools) - fprintf (stderr, "running: %s -I %s %s - %s\n", - m4, pkgdatadir, m4sugar, full_path); + fprintf (stderr, "running: %s %s - %s %s\n", + m4, full_m4sugar, full_cm4, full_path); argv[0] = m4; - argv[1] = "-I"; - argv[2] = pkgdatadir; - argv[3] = m4sugar; - argv[4] = "-"; - argv[5] = full_path; - argv[6] = NULL; + argv[1] = full_m4sugar; + argv[2] = "-"; + argv[3] = full_cm4; + argv[4] = full_path; + argv[5] = NULL; init_subpipe (); pid = create_subpipe (argv, filter_fd); + free (full_m4sugar); + free (full_cm4); free (full_path); out = fdopen (filter_fd[0], "w"); @@ -590,12 +591,12 @@ static void prepare (void) { /* Flags. */ - MUSCLE_INSERT_INT ("debug", debug_flag); - MUSCLE_INSERT_INT ("defines_flag", defines_flag); - MUSCLE_INSERT_INT ("error_verbose", error_verbose); - MUSCLE_INSERT_INT ("locations_flag", locations_flag); - MUSCLE_INSERT_INT ("pure", pure_parser); - MUSCLE_INSERT_INT ("synclines_flag", !no_lines_flag); + MUSCLE_INSERT_BOOL ("debug", debug_flag); + MUSCLE_INSERT_BOOL ("defines_flag", defines_flag); + MUSCLE_INSERT_BOOL ("error_verbose", error_verbose); + MUSCLE_INSERT_BOOL ("locations_flag", locations_flag); + MUSCLE_INSERT_BOOL ("pure", pure_parser); + MUSCLE_INSERT_BOOL ("synclines_flag", !no_lines_flag); /* File names. */ MUSCLE_INSERT_STRING ("prefix", spec_name_prefix ? spec_name_prefix : "yy"); @@ -609,7 +610,7 @@ prepare (void) /* Find the right skeleton file. */ if (!skeleton) { - if (glr_parser) + if (glr_parser || nondeterministic_parser) skeleton = "glr.c"; else skeleton = "yacc.c";