int do_dump;
int do_debug;
+/* Level for verbose messages. */
+int verbosity_level;
+
+/* The backup directory should be in the same file system as the
+ generated files, otherwise the rename(2) system call would fail.
+ If NULL, no backup is made when overwriting a generated file. */
+static const char* backup_dir; /* (-B) program option. */
+
+
static outf_p create_file (const char *, const char *);
static const char *get_file_basename (const char *);
static void
set_gc_used (pair_p variables)
{
+ int nbvars = 0;
pair_p p;
for (p = variables; p; p = p->next)
- set_gc_used_type (p->type, GC_USED, NULL);
+ {
+ set_gc_used_type (p->type, GC_USED, NULL);
+ nbvars++;
+ };
+ if (verbosity_level >= 2)
+ printf ("%s used %d GTY-ed variables\n", progname, nbvars);
}
\f
/* File mapping routines. For each input file, there is one output .c file
static void
close_output_files (void)
{
+ int nbwrittenfiles = 0;
outf_p of;
for (of = output_files; of; of = of->next)
if (!is_file_equal (of))
{
- FILE *newfile = fopen (of->name, "w");
+ FILE *newfile = NULL;
+ char *backupname = NULL;
+ /* Back up the old version of the output file gt-FOO.c as
+ BACKUPDIR/gt-FOO.c~ if we have a backup directory. */
+ if (backup_dir)
+ {
+ backupname = concat (backup_dir, "/",
+ lbasename (of->name), "~", NULL);
+ if (!access (of->name, F_OK) && rename (of->name, backupname))
+ fatal ("failed to back up %s as %s: %s",
+ of->name, backupname, xstrerror (errno));
+ }
+
+ newfile = fopen (of->name, "w");
if (newfile == NULL)
fatal ("opening output file %s: %s", of->name, xstrerror (errno));
if (fwrite (of->buf, 1, of->bufused, newfile) != of->bufused)
fatal ("writing output file %s: %s", of->name, xstrerror (errno));
if (fclose (newfile) != 0)
fatal ("closing output file %s: %s", of->name, xstrerror (errno));
+ nbwrittenfiles++;
+ if (verbosity_level >= 2 && backupname)
+ printf ("%s wrote #%-3d %s backed-up in %s\n",
+ progname, nbwrittenfiles, of->name, backupname);
+ else if (verbosity_level >= 1)
+ printf ("%s write #%-3d %s\n", progname, nbwrittenfiles, of->name);
+ free (backupname);
+ }
+ else
+ {
+ /* output file remains unchanged. */
+ if (verbosity_level >= 2)
+ printf ("%s keep %s\n", progname, of->name);
}
free (of->buf);
of->buf = NULL;
of->bufused = of->buflength = 0;
}
+ if (verbosity_level >= 1)
+ printf ("%s wrote %d files.\n", progname, nbwrittenfiles);
}
\f
struct flist
write_types (outf_p output_header, type_p structures, type_p param_structs,
const struct write_types_data *wtd)
{
+ int nbfun = 0; /* Count the emitted functions. */
type_p s;
oprintf (output_header, "\n/* %s*/\n", wtd->comment);
{
type_p ss;
for (ss = s->u.s.lang_struct; ss; ss = ss->next)
- write_func_for_structure (s, ss, NULL, wtd);
+ {
+ nbfun++;
+ DBGPRINTF ("writing func #%d lang_struct ss @ %p '%s'",
+ nbfun, (void*) ss, ss->u.s.tag);
+ write_func_for_structure (s, ss, NULL, wtd);
+ }
}
else
- write_func_for_structure (s, s, NULL, wtd);
+ {
+ nbfun++;
+ DBGPRINTF ("writing func #%d struct s @ %p '%s'",
+ nbfun, (void*) s, s->u.s.tag);
+ write_func_for_structure (s, s, NULL, wtd);
+ }
}
+ else
+ {
+ /* Structure s is not possibly pointed to, so can be ignored. */
+ DBGPRINTF ("ignored s @ %p '%s' gc_used#%d",
+ (void*)s, s->u.s.tag,
+ (int) s->gc_used);
+ }
+
for (s = param_structs; s; s = s->next)
if (s->gc_used == GC_POINTED_TO)
{
{
type_p ss;
for (ss = stru->u.s.lang_struct; ss; ss = ss->next)
- write_func_for_structure (s, ss, param, wtd);
+ {
+ nbfun++;
+ DBGPRINTF ("writing func #%d param lang_struct ss @ %p '%s'",
+ nbfun, (void*) ss, ss->u.s.tag);
+ write_func_for_structure (s, ss, param, wtd);
+ }
}
else
- write_func_for_structure (s, stru, param, wtd);
+ {
+ nbfun++;
+ DBGPRINTF ("writing func #%d param struct s @ %p stru @ %p '%s'",
+ nbfun, (void*) s,
+ (void*) stru, stru->u.s.tag);
+ write_func_for_structure (s, stru, param, wtd);
+ }
+ }
+ else
+ {
+ /* Param structure s is not pointed to, so should be ignored. */
+ DBGPRINTF ("ignored s @ %p", (void*)s);
}
+ if (verbosity_level >= 2)
+ printf ("%s emitted %d routines for %s\n",
+ progname, nbfun, wtd->comment);
}
static const struct write_types_data ggc_wtd = {
write_enum_defn (type_p structures, type_p param_structs)
{
type_p s;
+ int nbstruct = 0;
+ int nbparamstruct = 0;
if (!header_file)
return;
for (s = structures; s; s = s->next)
if (USED_BY_TYPED_GC_P (s))
{
+ nbstruct++;
+ DBGPRINTF ("write_enum_defn s @ %p nbstruct %d",
+ (void*) s, nbstruct);
+ if (UNION_OR_STRUCT_P (s))
+ DBGPRINTF ("write_enum_defn s %p #%d is unionorstruct tagged %s",
+ (void*) s, nbstruct, s->u.s.tag);
oprintf (header_file, " gt_ggc_e_");
output_mangled_typename (header_file, s);
oprintf (header_file, ",\n");
for (s = param_structs; s; s = s->next)
if (s->gc_used == GC_POINTED_TO)
{
+ nbparamstruct++;
+ DBGPRINTF ("write_enum_defn s %p nbparamstruct %d",
+ (void*) s, nbparamstruct);
oprintf (header_file, " gt_e_");
output_mangled_typename (header_file, s);
oprintf (header_file, ",\n");
}
oprintf (header_file, " gt_types_enum_last\n");
oprintf (header_file, "};\n");
+ if (verbosity_level >= 2)
+ printf ("%s handled %d GTY-ed structures & %d parameterized structures.\n",
+ progname, nbstruct, nbparamstruct);
+
}
/* Might T contain any non-pointer elements? */
static const struct option gengtype_long_options[] = {
{"help", no_argument, NULL, 'h'},
{"version", no_argument, NULL, 'V'},
+ {"verbose", no_argument, NULL, 'v'},
{"dump", no_argument, NULL, 'd'},
{"debug", no_argument, NULL, 'D'},
{"plugin", required_argument, NULL, 'P'},
{"srcdir", required_argument, NULL, 'S'},
+ {"backupdir", required_argument, NULL, 'B'},
{"inputs", required_argument, NULL, 'I'},
{"read-state", required_argument, NULL, 'r'},
{"write-state", required_argument, NULL, 'w'},
printf ("\t -D | --debug "
" \t# Give debug output to debug %s itself.\n", progname);
printf ("\t -V | --version " " \t# Give version information.\n");
+ printf ("\t -v | --verbose \t# Increase verbosity. Can be given several times.\n");
printf ("\t -d | --dump " " \t# Dump state for debugging.\n");
printf ("\t -P | --plugin <output-file> <plugin-src> ... "
" \t# Generate for plugin.\n");
printf ("\t -S | --srcdir <GCC-directory> "
" \t# Specify the GCC source directory.\n");
+ printf ("\t -B | --backupdir <directory> "
+ " \t# Specify the backup directory for updated files.\n");
printf ("\t -I | --inputs <input-list> "
" \t# Specify the file with source files list.\n");
printf ("\t -w | --write-state <state-file> " " \t# Write a state file.\n");
parse_program_options (int argc, char **argv)
{
int opt = -1;
- while ((opt = getopt_long (argc, argv, "hVdP:S:I:w:r:D",
+ while ((opt = getopt_long (argc, argv, "hVvdP:S:B:I:w:r:D",
gengtype_long_options, NULL)) >= 0)
{
switch (opt)
case 'D': /* --debug */
do_debug = 1;
break;
+ case 'v': /* --verbose */
+ verbosity_level++;
+ break;
case 'P': /* --plugin */
if (optarg)
plugin_output_filename = optarg;
fatal ("missing source directory");
srcdir_len = strlen (srcdir);
break;
+ case 'B': /* --backupdir */
+ if (optarg)
+ backup_dir = optarg;
+ else
+ fatal ("missing backup directory");
+ break;
case 'I': /* --inputs */
if (optarg)
inputlist = optarg;
parse_file (gt_files[i]);
DBGPRINTF ("parsed file #%d %s", (int) i, gt_files[i]);
}
+ if (verbosity_level >= 1)
+ printf ("%s parsed %d files\n", progname, (int) num_gt_files);
+
DBGPRINT_COUNT_TYPE ("structures after parsing", structures);
DBGPRINT_COUNT_TYPE ("param_structs after parsing", param_structs);
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