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2006-10-08 Paolo Bonzini <bonzini@gnu.org>

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* data/c.m4 (b4_copyright, b4_epilogue, b4_location_initial_column,
	b4_location_initial_line, p4_parse_param, b4_ints_in, b4_flag_if,
	b4_define_flag_if and uses, b4_basename, b4_syncline, b4_user_code,
	b4_define_user_cde and uses): Remove.
	(b4_comment, b4_prefix, b4_sync_start): New.
	* data/bison.m4: New file, with most of the content removed from c.m4.
	* src/muscle_tab.h: Use "do {...} while(0)" throughout.
	* src/output.c (output_skeleton): Pass bison.m4.
	(prepare): Pass glr_flag and nondeterministic_flag.  Pass prefix
	only if specified.
This commit is contained in:
Paolo Bonzini
2006-10-08 11:07:02 +00:00
parent cf8067530b
commit 90b9908d8c
5 changed files with 242 additions and 168 deletions
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24
src/output.c
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@@ -499,7 +499,7 @@ output_skeleton (void)
FILE *in;
FILE *out;
int filter_fd[2];
char const *argv[6];
char const *argv[7];
pid_t pid;
/* Compute the names of the package data dir and skeleton file.
@@ -507,7 +507,9 @@ output_skeleton (void)
installation. A faulty installation can cause deadlock, so a
cheap sanity check is worthwhile. */
char const m4sugar[] = "m4sugar/m4sugar.m4";
char const m4bison[] = "bison.m4";
char *full_m4sugar;
char *full_m4bison;
char *full_skeleton;
char const *p;
char const *m4 = (p = getenv ("M4")) ? p : M4;
@@ -523,24 +525,28 @@ output_skeleton (void)
full_skeleton[pkgdatadirlen] = '/';
strcpy (full_skeleton + pkgdatadirlen + 1, m4sugar);
full_m4sugar = xstrdup (full_skeleton);
strcpy (full_skeleton + pkgdatadirlen + 1, m4bison);
full_m4bison = xstrdup (full_skeleton);
strcpy (full_skeleton + 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 %s - %s\n",
m4, full_m4sugar, full_skeleton);
fprintf (stderr, "running: %s %s - %s %s\n",
m4, full_m4sugar, full_m4bison, full_skeleton);
argv[0] = m4;
argv[1] = full_m4sugar;
argv[2] = "-";
argv[3] = full_skeleton;
argv[4] = trace_flag & trace_m4 ? "-dV" : NULL;
argv[5] = NULL;
argv[3] = full_m4bison;
argv[4] = full_skeleton;
argv[5] = trace_flag & trace_m4 ? "-dV" : NULL;
argv[6] = NULL;
init_subpipe ();
pid = create_subpipe (argv, filter_fd);
free (full_m4bison);
free (full_m4sugar);
free (full_skeleton);
@@ -584,7 +590,9 @@ prepare (void)
MUSCLE_INSERT_BOOL ("debug_flag", debug_flag);
MUSCLE_INSERT_BOOL ("defines_flag", defines_flag);
MUSCLE_INSERT_BOOL ("error_verbose_flag", error_verbose);
MUSCLE_INSERT_BOOL ("glr_flag", glr_parser);
MUSCLE_INSERT_BOOL ("locations_flag", locations_flag);
MUSCLE_INSERT_BOOL ("nondeterministic_flag", nondeterministic_parser);
MUSCLE_INSERT_BOOL ("pure_flag", pure_parser);
MUSCLE_INSERT_BOOL ("push_flag", push_parser);
MUSCLE_INSERT_BOOL ("synclines_flag", !no_lines_flag);
@@ -592,7 +600,9 @@ prepare (void)
MUSCLE_INSERT_BOOL ("yacc_flag", yacc_flag);
/* File names. */
MUSCLE_INSERT_STRING ("prefix", spec_name_prefix ? spec_name_prefix : "yy");
if (spec_name_prefix)
MUSCLE_INSERT_STRING ("prefix", spec_name_prefix);
#define DEFINE(Name) MUSCLE_INSERT_STRING (#Name, Name ? Name : "")
DEFINE (dir_prefix);
DEFINE (parser_file_name);