#include <assert.h>
#include "make.h"
#include "dep.h"
#include "filedef.h"
#include "job.h"
#include "commands.h"
#include "variable.h"
#ifndef FILE_BUCKETS
#define FILE_BUCKETS 1007
#endif
static struct file *files[FILE_BUCKETS];
unsigned int num_intermediates = 0;
unsigned int considered = 0;
struct file *
lookup_file (name)
char *name;
{
register struct file *f;
register char *n;
register unsigned int hashval;
#if defined(VMS) && !defined(WANT_CASE_SENSITIVE_TARGETS)
register char *lname, *ln;
#endif
assert (*name != '\0');
#ifdef VMS
# ifndef WANT_CASE_SENSITIVE_TARGETS
lname = (char *)malloc(strlen(name) + 1);
for (n=name, ln=lname; *n != '\0'; ++n, ++ln)
*ln = isupper((unsigned char)*n) ? tolower((unsigned char)*n) : *n;
*ln = '\0';
name = lname;
# endif
while (name[0] == '[' && name[1] == ']' && name[2] != '\0')
name += 2;
#endif
while (name[0] == '.' && name[1] == '/' && name[2] != '\0')
{
name += 2;
while (*name == '/')
++name;
}
if (*name == '\0')
#ifdef VMS
name = "[]";
#else
#ifdef _AMIGA
name = "";
#else
name = "./";
#endif
#endif
hashval = 0;
for (n = name; *n != '\0'; ++n)
HASHI (hashval, *n);
hashval %= FILE_BUCKETS;
for (f = files[hashval]; f != 0; f = f->next)
{
if (strieq (f->hname, name))
{
#if defined(VMS) && !defined(WANT_CASE_SENSITIVE_TARGETS)
free (lname);
#endif
return f;
}
}
#if defined(VMS) && !defined(WANT_CASE_SENSITIVE_TARGETS)
free (lname);
#endif
return 0;
}
struct file *
enter_file (name)
char *name;
{
register struct file *f, *new;
register char *n;
register unsigned int hashval;
#if defined(VMS) && !defined(WANT_CASE_SENSITIVE_TARGETS)
char *lname, *ln;
#endif
assert (*name != '\0');
#if defined(VMS) && !defined(WANT_CASE_SENSITIVE_TARGETS)
lname = (char *)malloc (strlen (name) + 1);
for (n = name, ln = lname; *n != '\0'; ++n, ++ln)
{
if (isupper((unsigned char)*n))
*ln = tolower((unsigned char)*n);
else
*ln = *n;
}
*ln = 0;
name = lname;
#endif
hashval = 0;
for (n = name; *n != '\0'; ++n)
HASHI (hashval, *n);
hashval %= FILE_BUCKETS;
for (f = files[hashval]; f != 0; f = f->next)
if (strieq (f->hname, name))
break;
if (f != 0 && !f->double_colon)
{
#if defined(VMS) && !defined(WANT_CASE_SENSITIVE_TARGETS)
free(lname);
#endif
return f;
}
new = (struct file *) xmalloc (sizeof (struct file));
bzero ((char *) new, sizeof (struct file));
new->name = new->hname = name;
new->update_status = -1;
if (f == 0)
{
new->next = files[hashval];
files[hashval] = new;
}
else
{
new->double_colon = f;
while (f->prev != 0)
f = f->prev;
f->prev = new;
}
return new;
}
void
rehash_file (file, name)
register struct file *file;
char *name;
{
char *oldname = file->hname;
register unsigned int oldhash;
register char *n;
while (file->renamed != 0)
file = file->renamed;
oldhash = 0;
for (n = oldname; *n != '\0'; ++n)
HASHI (oldhash, *n);
file_hash_enter (file, name, oldhash, file->name);
}
void
rename_file (file, name)
register struct file *file;
char *name;
{
rehash_file(file, name);
while (file)
{
#if defined(__APPLE__) || defined(NeXT) || defined(NeXT_PDO)
file->old_name = file->name;
#endif
file->name = file->hname;
file = file->prev;
}
}
void
file_hash_enter (file, name, oldhash, oldname)
register struct file *file;
char *name;
unsigned int oldhash;
char *oldname;
{
unsigned int oldbucket = oldhash % FILE_BUCKETS;
register unsigned int newhash, newbucket;
struct file *oldfile;
register char *n;
register struct file *f;
newhash = 0;
for (n = name; *n != '\0'; ++n)
HASHI (newhash, *n);
newbucket = newhash % FILE_BUCKETS;
for (oldfile = files[newbucket]; oldfile != 0; oldfile = oldfile->next)
if (strieq (oldfile->hname, name))
break;
if (oldfile == file)
return;
if (oldhash != 0 && (newbucket != oldbucket || oldfile != 0))
{
struct file *lastf = 0;
for (f = files[oldbucket]; f != file; f = f->next)
lastf = f;
if (lastf == 0)
files[oldbucket] = f->next;
else
lastf->next = f->next;
}
file->hname = name;
for (f = file->double_colon; f != 0; f = f->prev)
f->hname = name;
if (oldfile == 0)
{
if (newbucket != oldbucket)
{
file->next = files[newbucket];
files[newbucket] = file;
}
}
else
{
register struct dep *d;
if (file->cmds != 0)
{
if (oldfile->cmds == 0)
oldfile->cmds = file->cmds;
else if (file->cmds != oldfile->cmds)
{
if (oldfile->cmds->fileinfo.filenm != 0)
error (&file->cmds->fileinfo,
_("Commands were specified for \
file `%s' at %s:%lu,"),
oldname, oldfile->cmds->fileinfo.filenm,
oldfile->cmds->fileinfo.lineno);
else
error (&file->cmds->fileinfo,
_("Commands for file `%s' were found by \
implicit rule search,"),
oldname);
error (&file->cmds->fileinfo,
_("but `%s' is now considered the same file \
as `%s'."),
oldname, name);
error (&file->cmds->fileinfo,
_("Commands for `%s' will be ignored \
in favor of those for `%s'."),
name, oldname);
}
}
d = oldfile->deps;
if (d == 0)
oldfile->deps = file->deps;
else
{
while (d->next != 0)
d = d->next;
d->next = file->deps;
}
merge_variable_set_lists (&oldfile->variables, file->variables);
if (oldfile->double_colon && file->is_target && !file->double_colon)
fatal (NILF, _("can't rename single-colon `%s' to double-colon `%s'"),
oldname, name);
if (!oldfile->double_colon && file->double_colon)
{
if (oldfile->is_target)
fatal (NILF, _("can't rename double-colon `%s' to single-colon `%s'"),
oldname, name);
else
oldfile->double_colon = file->double_colon;
}
if (file->last_mtime > oldfile->last_mtime)
oldfile->last_mtime = file->last_mtime;
oldfile->mtime_before_update = file->mtime_before_update;
#define MERGE(field) oldfile->field |= file->field
MERGE (precious);
MERGE (tried_implicit);
MERGE (updating);
MERGE (updated);
MERGE (is_target);
MERGE (cmd_target);
MERGE (phony);
MERGE (ignore_vpath);
#undef MERGE
file->renamed = oldfile;
}
}
void
remove_intermediates (sig)
int sig;
{
register int i;
register struct file *f;
char doneany;
if (question_flag || touch_flag)
return;
if (sig && just_print_flag)
return;
doneany = 0;
for (i = 0; i < FILE_BUCKETS; ++i)
for (f = files[i]; f != 0; f = f->next)
if (f->intermediate && (f->dontcare || !f->precious)
&& !f->secondary && !f->cmd_target)
{
int status;
if (f->update_status == -1)
continue;
else if (just_print_flag)
status = 0;
else
{
status = unlink (f->name);
if (status < 0 && errno == ENOENT)
continue;
}
if (!f->dontcare)
{
if (sig)
error (NILF, _("*** Deleting intermediate file `%s'"), f->name);
else if (!silent_flag)
{
if (! doneany)
{
fputs ("rm ", stdout);
doneany = 1;
}
else
putchar (' ');
fputs (f->name, stdout);
fflush (stdout);
}
if (status < 0)
perror_with_name ("unlink: ", f->name);
}
}
if (doneany && !sig)
{
putchar ('\n');
fflush (stdout);
}
}
void
snap_deps ()
{
register struct file *f, *f2;
register struct dep *d;
register int i;
for (i = 0; i < FILE_BUCKETS; ++i)
for (f = files[i]; f != 0; f = f->next)
for (f2 = f; f2 != 0; f2 = f2->prev)
for (d = f2->deps; d != 0; d = d->next)
if (d->name != 0)
{
d->file = lookup_file (d->name);
if (d->file == 0)
d->file = enter_file (d->name);
else
free (d->name);
d->name = 0;
}
for (f = lookup_file (".PRECIOUS"); f != 0; f = f->prev)
for (d = f->deps; d != 0; d = d->next)
for (f2 = d->file; f2 != 0; f2 = f2->prev)
f2->precious = 1;
for (f = lookup_file (".PHONY"); f != 0; f = f->prev)
for (d = f->deps; d != 0; d = d->next)
for (f2 = d->file; f2 != 0; f2 = f2->prev)
{
f2->phony = 1;
f2->last_mtime = (FILE_TIMESTAMP) -1;
f2->mtime_before_update = (FILE_TIMESTAMP) -1;
}
for (f = lookup_file (".INTERMEDIATE"); f != 0; f = f->prev)
{
for (d = f->deps; d != 0; d = d->next)
for (f2 = d->file; f2 != 0; f2 = f2->prev)
f2->intermediate = 1;
}
for (f = lookup_file (".SECONDARY"); f != 0; f = f->prev)
{
if (f->deps)
{
for (d = f->deps; d != 0; d = d->next)
for (f2 = d->file; f2 != 0; f2 = f2->prev)
f2->intermediate = f2->secondary = 1;
}
else
{
int i;
for (i = 0; i < FILE_BUCKETS; i++)
for (f2 = files[i]; f2; f2= f2->next)
f2->intermediate = f2->secondary = 1;
}
}
f = lookup_file (".EXPORT_ALL_VARIABLES");
if (f != 0 && f->is_target)
export_all_variables = 1;
f = lookup_file (".IGNORE");
if (f != 0 && f->is_target)
{
if (f->deps == 0)
ignore_errors_flag = 1;
else
for (d = f->deps; d != 0; d = d->next)
for (f2 = d->file; f2 != 0; f2 = f2->prev)
f2->command_flags |= COMMANDS_NOERROR;
}
f = lookup_file (".SILENT");
if (f != 0 && f->is_target)
{
if (f->deps == 0)
silent_flag = 1;
else
for (d = f->deps; d != 0; d = d->next)
for (f2 = d->file; f2 != 0; f2 = f2->prev)
f2->command_flags |= COMMANDS_SILENT;
}
f = lookup_file (".POSIX");
if (f != 0 && f->is_target)
posix_pedantic = 1;
f = lookup_file (".NOTPARALLEL");
if (f != 0 && f->is_target)
not_parallel = 1;
}
void
set_command_state (file, state)
struct file *file;
int state;
{
struct dep *d;
file->command_state = state;
for (d = file->also_make; d != 0; d = d->next)
d->file->command_state = state;
}
FILE_TIMESTAMP
file_timestamp_now ()
{
#if HAVE_CLOCK_GETTIME && defined CLOCK_REALTIME
struct timespec timespec;
if (clock_gettime (CLOCK_REALTIME, ×pec) == 0)
return FILE_TIMESTAMP_FROM_S_AND_NS (timespec.tv_sec, timespec.tv_nsec);
#endif
return FILE_TIMESTAMP_FROM_S_AND_NS (time ((time_t *) 0), 0);
}
void
file_timestamp_sprintf (p, ts)
char *p;
FILE_TIMESTAMP ts;
{
time_t t = FILE_TIMESTAMP_S (ts);
struct tm *tm = localtime (&t);
if (tm)
sprintf (p, "%04d-%02d-%02d %02d:%02d:%02d",
tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec);
else if (t < 0)
sprintf (p, "%ld", (long) t);
else
sprintf (p, "%lu", (unsigned long) t);
p += strlen (p);
sprintf (p, ".%09ld", (long) FILE_TIMESTAMP_NS (ts));
p += strlen (p) - 1;
while (*p == '0')
p--;
p += *p != '.';
*p = '\0';
}
static void
print_file (f)
struct file *f;
{
register struct dep *d;
putchar ('\n');
if (!f->is_target)
puts (_("# Not a target:"));
printf ("%s:%s", f->name, f->double_colon ? ":" : "");
for (d = f->deps; d != 0; d = d->next)
printf (" %s", dep_name (d));
putchar ('\n');
if (f->precious)
puts (_("# Precious file (prerequisite of .PRECIOUS)."));
if (f->phony)
puts (_("# Phony target (prerequisite of .PHONY)."));
if (f->cmd_target)
puts (_("# Command-line target."));
if (f->dontcare)
puts (_("# A default or MAKEFILES makefile."));
puts (f->tried_implicit
? _("# Implicit rule search has been done.")
: _("# Implicit rule search has not been done."));
if (f->stem != 0)
printf (_("# Implicit/static pattern stem: `%s'\n"), f->stem);
if (f->intermediate)
puts (_("# File is an intermediate prerequisite."));
if (f->also_make != 0)
{
fputs (_("# Also makes:"), stdout);
for (d = f->also_make; d != 0; d = d->next)
printf (" %s", dep_name (d));
putchar ('\n');
}
if (f->last_mtime == 0)
puts (_("# Modification time never checked."));
else if (f->last_mtime == (FILE_TIMESTAMP) -1)
puts (_("# File does not exist."));
else
{
char buf[FILE_TIMESTAMP_PRINT_LEN_BOUND + 1];
file_timestamp_sprintf (buf, f->last_mtime);
printf (_("# Last modified %s\n"), buf);
}
puts (f->updated
? _("# File has been updated.") : _("# File has not been updated."));
switch (f->command_state)
{
case cs_running:
puts (_("# Commands currently running (THIS IS A BUG)."));
break;
case cs_deps_running:
puts (_("# Dependencies commands running (THIS IS A BUG)."));
break;
case cs_not_started:
case cs_finished:
switch (f->update_status)
{
case -1:
break;
case 0:
puts (_("# Successfully updated."));
break;
case 1:
assert (question_flag);
puts (_("# Needs to be updated (-q is set)."));
break;
case 2:
puts (_("# Failed to be updated."));
break;
default:
puts (_("# Invalid value in `update_status' member!"));
fflush (stdout);
fflush (stderr);
abort ();
}
break;
default:
puts (_("# Invalid value in `command_state' member!"));
fflush (stdout);
fflush (stderr);
abort ();
}
if (f->variables != 0)
print_file_variables (f);
if (f->cmds != 0)
print_commands (f->cmds);
}
void
print_file_data_base ()
{
register unsigned int i, nfiles, per_bucket;
register struct file *file;
puts (_("\n# Files"));
per_bucket = nfiles = 0;
for (i = 0; i < FILE_BUCKETS; ++i)
{
register unsigned int this_bucket = 0;
for (file = files[i]; file != 0; file = file->next)
{
register struct file *f;
++this_bucket;
for (f = file; f != 0; f = f->prev)
print_file (f);
}
nfiles += this_bucket;
if (this_bucket > per_bucket)
per_bucket = this_bucket;
}
if (nfiles == 0)
puts (_("\n# No files."));
else
{
printf (_("\n# %u files in %u hash buckets.\n"), nfiles, FILE_BUCKETS);
#ifndef NO_FLOAT
printf (_("# average %.3f files per bucket, max %u files in one bucket.\n"),
((double) nfiles) / ((double) FILE_BUCKETS), per_bucket);
#endif
}
}