X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/95612cfa608188fc323ed3f8560cc6aea953ff32..7486e51b76ada1123adfc87d295036e25e985706:/src/output.c diff --git a/src/output.c b/src/output.c index 177e6c05..1f70e948 100644 --- a/src/output.c +++ b/src/output.c @@ -1,4 +1,4 @@ -/* Output the generated parsing program for bison, +/* Output the generated parsing program for Bison. Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002 Free Software Foundation, Inc. @@ -21,18 +21,22 @@ #include "system.h" -#include "quotearg.h" -#include "error.h" -#include "subpipe.h" -#include "getargs.h" + +#include +#include +#include +#include +#include + +#include "complain.h" #include "files.h" +#include "getargs.h" #include "gram.h" -#include "complain.h" +#include "muscle_tab.h" #include "output.h" #include "reader.h" #include "symtab.h" #include "tables.h" -#include "muscle_tab.h" /* From src/scan-skel.l. */ void scan_skel (FILE *); @@ -100,11 +104,11 @@ Name (const char *name, \ GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_unsigned_int_table, unsigned int) GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_int_table, int) GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_short_table, short) -GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_base_table, base_t) -GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_rule_number_table, rule_number_t) -GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_symbol_number_table, symbol_number_t) -GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_item_number_table, item_number_t) -GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_state_number_table, state_number_t) +GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_base_table, base_number) +GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_rule_number_table, rule_number) +GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_symbol_number_table, symbol_number) +GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_item_number_table, item_number) +GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_state_number_table, state_number) /*----------------------------------------------------------------------. @@ -162,9 +166,9 @@ prepare_symbols (void) symbols[i]->tag); /* Width of the next token, including the two quotes, the comma and the space. */ - int strsize = strlen (cp) + 2; + int width = strlen (cp) + 2; - if (j + strsize > 75) + if (j + width > 75) { obstack_sgrow (&format_obstack, "\n "); j = 2; @@ -172,7 +176,7 @@ prepare_symbols (void) MUSCLE_OBSTACK_SGROW (&format_obstack, cp); obstack_sgrow (&format_obstack, ", "); - j += strsize; + j += width; } /* Add a NULL entry to list of tokens (well, 0, as NULL might not be defined). */ @@ -204,19 +208,19 @@ prepare_symbols (void) static void prepare_rules (void) { - rule_number_t r; + rule_number r; unsigned int i = 0; - item_number_t *rhs = XMALLOC (item_number_t, nritems); + item_number *rhs = XMALLOC (item_number, nritems); unsigned int *prhs = XMALLOC (unsigned int, nrules); unsigned int *rline = XMALLOC (unsigned int, nrules); - symbol_number_t *r1 = XMALLOC (symbol_number_t, nrules); + symbol_number *r1 = XMALLOC (symbol_number, nrules); unsigned int *r2 = XMALLOC (unsigned int, nrules); short *dprec = XMALLOC (short, nrules); short *merger = XMALLOC (short, nrules); for (r = 0; r < nrules; ++r) { - item_number_t *rhsp = NULL; + item_number *rhsp = NULL; /* Index of rule R in RHS. */ prhs[r] = i; /* RHS of the rule R. */ @@ -229,13 +233,14 @@ prepare_rules (void) /* Separator in RHS. */ rhs[i++] = -1; /* Line where rule was defined. */ - rline[r] = rules[r].location.first_line; + rline[r] = rules[r].location.start.line; /* Dynamic precedence (GLR). */ dprec[r] = rules[r].dprec; /* Merger-function index (GLR). */ merger[r] = rules[r].merger; } - assert (i == nritems); + if (i != nritems) + abort (); muscle_insert_item_number_table ("rhs", rhs, ritem[0], 1, nritems); muscle_insert_unsigned_int_table ("prhs", prhs, 0, 0, nrules); @@ -263,9 +268,9 @@ prepare_rules (void) static void prepare_states (void) { - state_number_t i; - symbol_number_t *values = - (symbol_number_t *) alloca (sizeof (symbol_number_t) * nstates); + state_number i; + symbol_number *values = + (symbol_number *) alloca (sizeof (symbol_number) * nstates); for (i = 0; i < nstates; ++i) values[i] = states[i]->accessing_symbol; muscle_insert_symbol_number_table ("stos", values, @@ -285,7 +290,7 @@ prepare_states (void) static void user_actions_output (FILE *out) { - rule_number_t r; + rule_number r; fputs ("m4_define([b4_actions], \n[[", out); for (r = 0; r < nrules; ++r) @@ -294,8 +299,8 @@ user_actions_output (FILE *out) fprintf (out, " case %d:\n", r + 1); fprintf (out, "]b4_syncline([[%d]], ", - rules[r].action_location.first_line); - escaped_file_name_output (out, rules[r].action_location.file); + rules[r].action_location.start.line); + escaped_file_name_output (out, rules[r].action_location.start.file); fprintf (out, ")[\n"); fprintf (out, " %s\n break;\n\n", rules[r].action); @@ -339,36 +344,37 @@ token_definitions_output (FILE *out) fputs ("m4_define([b4_tokens], \n[", out); for (i = 0; i < ntokens; ++i) { - symbol_t *symbol = symbols[i]; - int number = symbol->user_token_number; + symbol *sym = symbols[i]; + int number = sym->user_token_number; /* At this stage, if there are literal aliases, they are part of SYMBOLS, so we should not find symbols which are the aliases here. */ - assert (number != USER_NUMBER_ALIAS); + if (number == USER_NUMBER_ALIAS) + abort (); /* Skip error token. */ - if (symbol == errtoken) + if (sym == errtoken) continue; /* If this string has an alias, then it is necessarily the alias which is to be output. */ - if (symbol->alias) - symbol = symbol->alias; + if (sym->alias) + sym = sym->alias; /* Don't output literal chars or strings (when defined only as a string). Note that must be done after the alias resolution: think about `%token 'f' "f"'. */ - if (symbol->tag[0] == '\'' || symbol->tag[0] == '\"') + if (sym->tag[0] == '\'' || sym->tag[0] == '\"') continue; /* Don't #define nonliteral tokens whose names contain periods or '$' (as does the default value of the EOF token). */ - if (strchr (symbol->tag, '.') || strchr (symbol->tag, '$')) + if (strchr (sym->tag, '.') || strchr (sym->tag, '$')) continue; fprintf (out, "%s[[[%s]], [%d]]", - first ? "" : ",\n", symbol->tag, number); + first ? "" : ",\n", sym->tag, number); first = 0; } @@ -390,20 +396,20 @@ symbol_destructors_output (FILE *out) for (i = 0; i < nsyms; ++i) if (symbols[i]->destructor) { - symbol_t *symbol = symbols[i]; + symbol *sym = symbols[i]; /* Filename, lineno, Symbol-name, Symbol-number, destructor, typename. */ fprintf (out, "%s[", first ? "" : ",\n"); - escaped_file_name_output (out, symbol->destructor_location.file); + escaped_file_name_output (out, sym->destructor_location.start.file); fprintf (out, ", [[%d]], [[%s]], [[%d]], [[%s]], [[%s]]]", - symbol->destructor_location.first_line, - symbol->tag, - symbol->number, - symbol->destructor, - symbol->type_name); + sym->destructor_location.start.line, + sym->tag, + sym->number, + sym->destructor, + sym->type_name); first = 0; } @@ -425,20 +431,20 @@ symbol_printers_output (FILE *out) for (i = 0; i < nsyms; ++i) if (symbols[i]->destructor) { - symbol_t *symbol = symbols[i]; + symbol *sym = symbols[i]; /* Filename, lineno, Symbol-name, Symbol-number, printer, typename. */ fprintf (out, "%s[", first ? "" : ",\n"); - escaped_file_name_output (out, symbol->printer_location.file); + escaped_file_name_output (out, sym->printer_location.start.file); fprintf (out, ", [[%d]], [[%s]], [[%d]], [[%s]], [[%s]]]", - symbol->printer_location.first_line, - symbol->tag, - symbol->number, - symbol->printer, - symbol->type_name); + sym->printer_location.start.line, + sym->tag, + sym->number, + sym->printer, + sym->type_name); first = 0; } @@ -526,10 +532,7 @@ output_skeleton (void) strcpy (full_path, pkgdatadir); full_path[pkgdatadirlen] = '/'; strcpy (full_path + pkgdatadirlen + 1, m4sugar); - in = fopen (full_path, "r"); - if (! in) - error (EXIT_FAILURE, errno, "%s", full_path); - xfclose (in); + xfclose (xfopen (full_path, "r")); strcpy (full_path + pkgdatadirlen + 1, skeleton); /* Create an m4 subprocess connected to us via two pipes. */ @@ -552,7 +555,7 @@ output_skeleton (void) out = fdopen (filter_fd[0], "w"); if (! out) - error (EXIT_FAILURE, errno, "fdopen"); + error (EXIT_FAILURE, get_errno (), "fdopen"); /* Output the definitions of all the muscles. */ fputs ("m4_init()\n", out); @@ -573,7 +576,7 @@ output_skeleton (void) timevar_push (TV_M4); in = fdopen (filter_fd[1], "r"); if (! in) - error (EXIT_FAILURE, errno, "fdopen"); + error (EXIT_FAILURE, get_errno (), "fdopen"); scan_skel (in); xfclose (in); reap_subpipe (pid, m4); @@ -591,8 +594,7 @@ prepare (void) MUSCLE_INSERT_INT ("pure", pure_parser); MUSCLE_INSERT_INT ("synclines_flag", !no_lines_flag); - /* FIXME: This is wrong: the muscles should decide whether they hold - a copy or not, but the situation is too obscure currently. */ + /* File names. */ MUSCLE_INSERT_STRING ("prefix", spec_name_prefix ? spec_name_prefix : "yy"); /* User Code. */