/* Functions for handling dependency tracking when reading .class files.
- Copyright (C) 1998 Free Software Foundation, Inc.
+ Copyright (C) 1998, 1999, 2000, 2001, 2003, 2006, 2007
+ Free Software Foundation, Inc.
-This program is free software; you can redistribute it and/or modify
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
-This program is distributed in the hope that it will be useful,
+GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>.
Java and all Java-based marks are trademarks or registered trademarks
of Sun Microsystems, Inc. in the United States and other countries.
#include "config.h"
#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
+#include "mkdeps.h"
#include <assert.h>
\f
-/* We keep a linked list of all the files we've already read. */
-struct entry
-{
- char *file;
- struct entry *next;
-};
-
-static void free_entry PROTO ((struct entry **));
-static void add_entry PROTO ((struct entry **, const char *));
-static const char *munge PROTO ((const char *));
-static int print_ents PROTO ((struct entry *, int));
-
-/* List of files. */
-static struct entry *dependencies = NULL;
-
-/* Name of targets. We support multiple targets when writing .class
- files. */
-static struct entry *targets = NULL;
-
-/* Number of columns in output. */
-#define MAX_OUTPUT_COLUMNS 72
+/* The dependency structure used for this invocation. */
+struct deps *dependencies;
/* The output file, or NULL if we aren't doing dependency tracking. */
static FILE *dep_out = NULL;
/* Nonzero if system files should be added. */
static int system_files;
-\f
-
-/* Helper to free an entry list. */
-static void
-free_entry (entp)
- struct entry **entp;
-{
- struct entry *ent, *next;
+/* Nonzero if we are dumping out dummy dependencies. */
+static int print_dummies;
- for (ent = *entp; ent != NULL; ent = next)
- {
- next = ent->next;
- free (ent->file);
- free (ent);
- }
- *entp = NULL;
-}
-
-/* Helper to add to entry list. */
-static void
-add_entry (entp, name)
- struct entry **entp;
- const char *name;
-{
- struct entry *ent;
-
- for (ent = *entp; ent != NULL; ent = ent->next)
- if (! strcmp (ent->file, name))
- return;
-
- ent = (struct entry *) xmalloc (sizeof (struct entry));
- ent->file = xstrdup (name);
- ent->next = *entp;
- *entp = ent;
-}
+\f
/* Call this to reset the dependency module. This is required if
multiple dependency files are being generated from a single tool
- invocation. */
+ invocation. FIXME: we should change our API or just completely use
+ the one in mkdeps.h. */
void
-jcf_dependency_reset ()
+jcf_dependency_reset (void)
{
- free_entry (&dependencies);
- free_entry (&targets);
-
if (dep_out != NULL)
{
if (dep_out != stdout)
fclose (dep_out);
dep_out = NULL;
}
+
+ if (dependencies != NULL)
+ {
+ deps_free (dependencies);
+ dependencies = NULL;
+ }
}
void
-jcf_dependency_set_target (name)
- const char *name;
+jcf_dependency_set_target (const char *name)
{
- free_entry (&targets);
- if (name != NULL)
- add_entry (&targets, name);
+ /* We just handle this the same as an `add_target'. */
+ if (dependencies != NULL && name != NULL)
+ deps_add_target (dependencies, name, 1);
}
void
-jcf_dependency_add_target (name)
- const char *name;
+jcf_dependency_add_target (const char *name)
{
- add_entry (&targets, name);
+ if (dependencies != NULL)
+ deps_add_target (dependencies, name, 1);
}
void
-jcf_dependency_set_dep_file (name)
- const char *name;
+jcf_dependency_set_dep_file (const char *name)
{
assert (dep_out != stdout);
if (dep_out)
}
void
-jcf_dependency_add_file (filename, system_p)
- const char *filename;
- int system_p;
+jcf_dependency_add_file (const char *filename ATTRIBUTE_UNUSED, int system_p)
{
+ if (! dependencies)
+ return;
+
/* Just omit system files. */
if (system_p && ! system_files)
return;
- add_entry (&dependencies, filename);
+
+ /* FIXME: Don't emit any dependencies. In many cases we'll just see
+ temporary files emitted by ecj... */
+ /* deps_add_dep (dependencies, filename); */
}
void
-jcf_dependency_init (system_p)
- int system_p;
+jcf_dependency_init (int system_p)
{
+ assert (! dependencies);
system_files = system_p;
+ dependencies = deps_init ();
}
-/* FIXME: this is taken almost directly from cccp.c. Such duplication
- is bad. */
-static const char *
-munge (filename)
- const char *filename;
-{
- static char *buffer = NULL;
- static int buflen = 0;
-
- int len = 2 * strlen (filename) + 1;
- const char *p;
- char *dst;
-
- if (buflen < len)
- {
- buflen = len;
- buffer = xrealloc (buffer, buflen);
- }
-
- dst = buffer;
- for (p = filename; *p; ++p)
- {
- switch (*p)
- {
- case ' ':
- case '\t':
- {
- /* GNU make uses a weird quoting scheme for white space.
- A space or tab preceded by 2N+1 backslashes represents
- N backslashes followed by space; a space or tab
- preceded by 2N backslashes represents N backslashes at
- the end of a file name; and backslashes in other
- contexts should not be doubled. */
- const char *q;
- for (q = p - 1; filename < q && q[-1] == '\\'; q--)
- *dst++ = '\\';
- }
- *dst++ = '\\';
- goto ordinary_char;
-
- case '$':
- *dst++ = '$';
- /* Fall through. This can mishandle things like "$(" but
- there's no easy fix. */
- default:
- ordinary_char:
- /* This can mishandle characters in the string "\0\n%*?[\\~";
- exactly which chars are mishandled depends on the `make' version.
- We know of no portable solution for this;
- even GNU make 3.76.1 doesn't solve the problem entirely.
- (Also, '\0' is mishandled due to our calling conventions.) */
- *dst++ = *p;
- break;
- }
- }
-
- *dst++ = '\0';
- return buffer;
-}
-
-/* Helper to print list of files. */
-static int
-print_ents (ent, column)
- struct entry *ent;
- int column;
+void
+jcf_dependency_print_dummies (void)
{
- int first = 1;
-
- for (; ent != NULL; ent = ent->next)
- {
- const char *depname = munge (ent->file);
- int len = strlen (depname);
-
- if (column + len + 2 > MAX_OUTPUT_COLUMNS)
- {
- fprintf (dep_out, " \\\n ");
- column = 1;
- }
-
- if (! first)
- fputs (" ", dep_out);
- fputs (depname, dep_out);
- first = 0;
- column += len + 1;
- }
-
- return column;
+ print_dummies = 1;
}
void
-jcf_dependency_write ()
+jcf_dependency_write (void)
{
- int column = 0;
-
if (! dep_out)
return;
- assert (targets);
- column = print_ents (targets, 0);
- fputs (" : ", dep_out);
+ assert (dependencies);
- print_ents (dependencies, column);
- fputs ("\n", dep_out);
+ deps_write (dependencies, dep_out, 72);
+ if (print_dummies)
+ deps_phony_targets (dependencies, dep_out);
fflush (dep_out);
}
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