/* Output the generated parsing program for Bison.
- Copyright (C) 1984, 1986, 1989, 1992, 2000-2012 Free Software
+ Copyright (C) 1984, 1986, 1989, 1992, 2000-2013 Free Software
Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
#include <concat-filename.h>
#include <configmake.h>
-#include <error.h>
#include <filename.h>
#include <get-errno.h>
#include <quotearg.h>
#include "symtab.h"
#include "tables.h"
-# define ARRAY_CARDINALITY(Array) (sizeof (Array) / sizeof *(Array))
-
static struct obstack format_obstack;
int i; \
int j = 1; \
\
- obstack_fgrow1 (&format_obstack, "%6d", first); \
+ obstack_printf (&format_obstack, "%6d", first); \
for (i = begin; i < end; ++i) \
{ \
obstack_1grow (&format_obstack, ','); \
} \
else \
++j; \
- obstack_fgrow1 (&format_obstack, "%6d", table_data[i]); \
+ obstack_printf (&format_obstack, "%6d", table_data[i]); \
if (table_data[i] < min) \
min = table_data[i]; \
if (max < table_data[i]) \
max = table_data[i]; \
} \
- obstack_1grow (&format_obstack, 0); \
- muscle_insert (name, obstack_finish (&format_obstack)); \
+ muscle_insert (name, obstack_finish0 (&format_obstack)); \
\
lmin = min; \
lmax = max; \
- /* Build `NAME_min' and `NAME_max' in the obstack. */ \
- obstack_fgrow1 (&format_obstack, "%s_min", name); \
- obstack_1grow (&format_obstack, 0); \
- MUSCLE_INSERT_LONG_INT (obstack_finish (&format_obstack), lmin); \
- obstack_fgrow1 (&format_obstack, "%s_max", name); \
- obstack_1grow (&format_obstack, 0); \
- MUSCLE_INSERT_LONG_INT (obstack_finish (&format_obstack), lmax); \
+ /* Build 'NAME_min' and 'NAME_max' in the obstack. */ \
+ obstack_printf (&format_obstack, "%s_min", name); \
+ MUSCLE_INSERT_LONG_INT (obstack_finish0 (&format_obstack), lmin); \
+ obstack_printf (&format_obstack, "%s_max", name); \
+ MUSCLE_INSERT_LONG_INT (obstack_finish0 (&format_obstack), lmax); \
}
GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_unsigned_int_table, unsigned int)
GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_state_number_table, state_number)
-/*--------------------------------------------------------------------.
-| Print to OUT a representation of STRING escaped both for C and M4. |
-`--------------------------------------------------------------------*/
+/*----------------------------------------------------------------.
+| Print to OUT a representation of CP quoted and escaped for M4. |
+`----------------------------------------------------------------*/
static void
-escaped_output (FILE *out, char const *string)
+quoted_output (FILE *out, char const *cp)
{
- char const *p;
fprintf (out, "[[");
- for (p = quotearg_style (c_quoting_style, string); *p; p++)
- switch (*p)
+ for (; *cp; cp++)
+ switch (*cp)
{
case '$': fputs ("$][", out); break;
case '@': fputs ("@@", out); break;
case '[': fputs ("@{", out); break;
case ']': fputs ("@}", out); break;
- default: fputc (*p, out); break;
+ default: fputc (*cp, out); break;
}
fprintf (out, "]]");
}
+/*----------------------------------------------------------------.
+| Print to OUT a representation of STRING quoted and escaped both |
+| for C and M4. |
+`----------------------------------------------------------------*/
+
+static void
+string_output (FILE *out, char const *string)
+{
+ quoted_output (out, quotearg_style (c_quoting_style, string));
+}
+
/*------------------------------------------------------------------.
| Prepare the muscles related to the symbols: translate, tname, and |
static void
prepare_symbols (void)
{
- MUSCLE_INSERT_BOOL ("token_table", token_table_flag);
MUSCLE_INSERT_INT ("tokens_number", ntokens);
MUSCLE_INSERT_INT ("nterms_number", nvars);
MUSCLE_INSERT_INT ("symbols_number", nsyms);
if (i)
obstack_1grow (&format_obstack, ' ');
- MUSCLE_OBSTACK_SGROW (&format_obstack, cp);
+ obstack_escape (&format_obstack, cp);
free (cp);
obstack_1grow (&format_obstack, ',');
j += width;
obstack_sgrow (&format_obstack, " ]b4_null[");
/* Finish table and store. */
- obstack_1grow (&format_obstack, 0);
- muscle_insert ("tname", obstack_finish (&format_obstack));
+ muscle_insert ("tname", obstack_finish0 (&format_obstack));
}
/* Output YYTOKNUM. */
static int
symbol_type_name_cmp (const symbol **lhs, const symbol **rhs)
{
- int res = UNIQSTR_CMP((*lhs)->type_name, (*rhs)->type_name);
- if (res)
- return res;
- return (*lhs)->number - (*rhs)->number;
+ int res = uniqstr_cmp ((*lhs)->type_name, (*rhs)->type_name);
+ if (!res)
+ res = (*lhs)->number - (*rhs)->number;
+ return res;
}
fputs ("m4_define([b4_type_names],\n[", out);
for (i = 0; i < nsyms; /* nothing */)
{
- // The index of the first symbol of the current type-name.
+ /* The index of the first symbol of the current type-name. */
int i0 = i;
fputs (i ? ",\n[" : "[", out);
for (; i < nsyms && syms[i]->type_name == syms[i0]->type_name; ++i)
fprintf (out, "b4_%scase(%d, [b4_syncline(%d, ",
rules[r].is_predicate ? "predicate_" : "",
r + 1, rules[r].action_location.start.line);
- escaped_output (out, rules[r].action_location.start.file);
+ string_output (out, rules[r].action_location.start.file);
fprintf (out, ")\n[ %s]])\n\n", rules[r].action);
}
fputs ("])\n\n", out);
const char *key;
const char *value;
-#define SET_KEY(Entry) \
- obstack_fgrow2 (&format_obstack, "symbol(%d, %s)", i, Entry); \
- obstack_1grow (&format_obstack, 0); \
- key = obstack_finish (&format_obstack);
+#define SET_KEY(Entry) \
+ obstack_printf (&format_obstack, "symbol(%d, %s)", \
+ i, Entry); \
+ key = obstack_finish0 (&format_obstack);
+
+#define SET_KEY2(Entry, Suffix) \
+ obstack_printf (&format_obstack, "symbol(%d, %s_%s)", \
+ i, Entry, Suffix); \
+ key = obstack_finish0 (&format_obstack);
- // Whether the symbol has an identifier.
+ /* Whether the symbol has an identifier. */
value = symbol_id_get (sym);
SET_KEY("has_id");
MUSCLE_INSERT_INT (key, !!value);
- // Its identifier.
+ /* Its identifier. */
SET_KEY("id");
MUSCLE_INSERT_STRING (key, value ? value : "");
- // Its tag. Typically for documentation purpose.
+ /* Its tag. Typically for documentation purpose. */
SET_KEY("tag");
MUSCLE_INSERT_STRING (key, sym->tag);
SET_KEY("type");
MUSCLE_INSERT_STRING (key, sym->type_name ? sym->type_name : "");
-#define CODE_PROP(PropName) \
- do { \
- code_props const *p = symbol_ ## PropName ## _get (sym); \
- SET_KEY("has_" #PropName); \
- MUSCLE_INSERT_INT (key, !!p->code); \
- \
- if (p->code) \
- { \
- SET_KEY(#PropName "_file"); \
- MUSCLE_INSERT_STRING (key, p->location.start.file); \
- \
- SET_KEY(#PropName "_line"); \
- MUSCLE_INSERT_INT (key, p->location.start.line); \
- \
- SET_KEY(#PropName); \
- MUSCLE_INSERT_STRING_RAW (key, p->code); \
- } \
- } while (0)
-
- CODE_PROP(destructor);
- CODE_PROP(printer);
-#undef CODE_PROP
+ {
+ int j;
+ for (j = 0; j < CODE_PROPS_SIZE; ++j)
+ {
+ /* "printer", not "%printer". */
+ char const *pname = code_props_type_string (j) + 1;
+ code_props const *p = symbol_code_props_get (sym, j);
+ SET_KEY2("has", pname);
+ MUSCLE_INSERT_INT (key, !!p->code);
+
+ if (p->code)
+ {
+ SET_KEY2(pname, "file");
+ MUSCLE_INSERT_STRING (key, p->location.start.file);
+
+ SET_KEY2(pname, "line");
+ MUSCLE_INSERT_INT (key, p->location.start.line);
+
+ SET_KEY(pname);
+ MUSCLE_INSERT_STRING_RAW (key, p->code);
+ }
+ }
+ }
+#undef SET_KEY2
#undef SET_KEY
}
}
-/*--------------------------------------.
-| Output the tokens definition to OUT. |
-`--------------------------------------*/
-
-static void
-token_definitions_output (FILE *out)
-{
- int i;
- char const *sep = "";
-
- fputs ("m4_define([b4_tokens], \n[", out);
- for (i = 0; i < ntokens; ++i)
- {
- symbol *sym = symbols[i];
- int number = sym->user_token_number;
- uniqstr id = symbol_id_get (sym);
-
- /* At this stage, if there are literal string aliases, they are
- part of SYMBOLS, so we should not find their aliased symbols
- here. */
- aver (number != USER_NUMBER_HAS_STRING_ALIAS);
-
- /* Skip error token and tokens without identifier. */
- if (sym != errtoken && id)
- {
- fprintf (out, "%s[[[%s]], %d]",
- sep, id, number);
- sep = ",\n";
- }
- }
- fputs ("])\n\n", out);
-}
-
-
static void
prepare_actions (void)
{
fputs ("m4_init()\n", out);
merger_output (out);
symbol_numbers_output (out);
- token_definitions_output (out);
type_names_output (out);
user_actions_output (out);
- // Must be last.
+ /* Must be last. */
muscles_m4_output (out);
}
\f
output_skeleton (void)
{
int filter_fd[2];
- char const *argv[10];
pid_t pid;
/* Compute the names of the package data dir and skeleton files. */
char *m4sugar = xconcatenated_filename (datadir, "m4sugar/m4sugar.m4", NULL);
char *m4bison = xconcatenated_filename (datadir, "bison.m4", NULL);
char *skel = (IS_PATH_WITH_DIR (skeleton)
- ? xstrdup (skeleton)
- : xconcatenated_filename (datadir, skeleton, NULL));
+ ? xstrdup (skeleton)
+ : xconcatenated_filename (datadir, skeleton, NULL));
/* Test whether m4sugar.m4 is readable, to check for proper
installation. A faulty installation can cause deadlock, so a
<http://lists.gnu.org/archive/html/bug-bison/2008-07/msg00000.html>
for details. */
{
+ char const *argv[10];
int i = 0;
argv[i++] = m4;
argv[i++] = skel;
argv[i++] = NULL;
aver (i <= ARRAY_CARDINALITY (argv));
+
+ /* The ugly cast is because gnulib gets the const-ness wrong. */
+ pid = create_pipe_bidi ("m4", m4, (char **)(void*)argv, false, true,
+ true, filter_fd);
}
- /* The ugly cast is because gnulib gets the const-ness wrong. */
- pid = create_pipe_bidi ("m4", m4, (char **)(void*)argv, false, true,
- true, filter_fd);
free (m4sugar);
free (m4bison);
free (skel);
if (trace_flag & trace_muscles)
muscles_output (stderr);
{
- FILE *out = fdopen (filter_fd[1], "w");
- if (! out)
- error (EXIT_FAILURE, get_errno (),
- "fdopen");
+ FILE *out = xfdopen (filter_fd[1], "w");
muscles_output (out);
xfclose (out);
}
/* Read and process m4's output. */
timevar_push (TV_M4);
{
- FILE *in = fdopen (filter_fd[0], "r");
- if (! in)
- error (EXIT_FAILURE, get_errno (),
- "fdopen");
+ FILE *in = xfdopen (filter_fd[0], "r");
scan_skel (in);
/* scan_skel should have read all of M4's output. Otherwise, when we
close the pipe, we risk letting M4 report a broken-pipe to the
static void
prepare (void)
{
- /* BISON_USE_PUSH_FOR_PULL is for the test suite and should not be documented
- for the user. */
+ /* BISON_USE_PUSH_FOR_PULL is for the test suite and should not be
+ documented for the user. */
char const *cp = getenv ("BISON_USE_PUSH_FOR_PULL");
- bool use_push_for_pull_flag = cp && *cp && STRNEQ (cp, "0");
+ bool use_push_for_pull_flag = cp && *cp && strtol (cp, 0, 10);
/* Flags. */
MUSCLE_INSERT_BOOL ("defines_flag", defines_flag);
MUSCLE_INSERT_BOOL ("nondeterministic_flag", nondeterministic_parser);
MUSCLE_INSERT_BOOL ("synclines_flag", !no_lines_flag);
MUSCLE_INSERT_BOOL ("tag_seen_flag", tag_seen);
+ MUSCLE_INSERT_BOOL ("token_table_flag", token_table_flag);
MUSCLE_INSERT_BOOL ("use_push_for_pull_flag", use_push_for_pull_flag);
MUSCLE_INSERT_BOOL ("yacc_flag", yacc_flag);
projects / bison.git / blobdiff