/* Darwin support needed only by C/C++ frontends.
- Copyright (C) 2001, 2003 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2003, 2004, 2005 Free Software Foundation, Inc.
Contributed by Apple Computer Inc.
This file is part of GCC.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
#include "config.h"
#include "system.h"
#include "c-pragma.h"
#include "c-tree.h"
#include "c-incpath.h"
+#include "c-common.h"
#include "toplev.h"
+#include "flags.h"
#include "tm_p.h"
+#include "cppdefault.h"
+#include "prefix.h"
/* Pragmas. */
-#define BAD(msgid) do { warning (msgid); return; } while (0)
+#define BAD(gmsgid) do { warning (OPT_Wpragmas, gmsgid); return; } while (0)
+#define BAD2(msgid, arg) do { warning (OPT_Wpragmas, msgid, arg); return; } while (0)
static bool using_frameworks = false;
static void pop_field_alignment (void);
static const char *find_subframework_file (const char *, const char *);
static void add_system_framework_path (char *);
-static const char *find_subframework_header (cpp_reader *pfile, const char *header);
+static const char *find_subframework_header (cpp_reader *pfile, const char *header,
+ cpp_dir **dirp);
typedef struct align_stack
{
static void
push_field_alignment (int bit_alignment)
{
- align_stack *entry = (align_stack *) xmalloc (sizeof (align_stack));
+ align_stack *entry = XNEW (align_stack);
entry->alignment = maximum_field_alignment;
entry->prev = field_align_stack;
const char *arg;
tree t, x;
- if (c_lex (&t) != CPP_NAME)
+ if (pragma_lex (&t) != CPP_NAME)
BAD ("malformed '#pragma options', ignoring");
arg = IDENTIFIER_POINTER (t);
if (strcmp (arg, "align"))
BAD ("malformed '#pragma options', ignoring");
- if (c_lex (&t) != CPP_EQ)
+ if (pragma_lex (&t) != CPP_EQ)
BAD ("malformed '#pragma options', ignoring");
- if (c_lex (&t) != CPP_NAME)
+ if (pragma_lex (&t) != CPP_NAME)
BAD ("malformed '#pragma options', ignoring");
- if (c_lex (&x) != CPP_EOF)
- warning ("junk at end of '#pragma options'");
+ if (pragma_lex (&x) != CPP_EOF)
+ BAD ("junk at end of '#pragma options'");
arg = IDENTIFIER_POINTER (t);
if (!strcmp (arg, "mac68k"))
else if (!strcmp (arg, "reset"))
pop_field_alignment ();
else
- warning ("malformed '#pragma options align={mac68k|power|reset}', ignoring");
+ BAD ("malformed '#pragma options align={mac68k|power|reset}', ignoring");
}
/* #pragma unused ([var {, var}*]) */
tree decl, x;
int tok;
- if (c_lex (&x) != CPP_OPEN_PAREN)
+ if (pragma_lex (&x) != CPP_OPEN_PAREN)
BAD ("missing '(' after '#pragma unused', ignoring");
while (1)
{
- tok = c_lex (&decl);
+ tok = pragma_lex (&decl);
if (tok == CPP_NAME && decl)
{
tree local = lookup_name (decl);
if (local && (TREE_CODE (local) == PARM_DECL
|| TREE_CODE (local) == VAR_DECL))
TREE_USED (local) = 1;
- tok = c_lex (&x);
+ tok = pragma_lex (&x);
if (tok != CPP_COMMA)
break;
}
if (tok != CPP_CLOSE_PAREN)
BAD ("missing ')' after '#pragma unused', ignoring");
- if (c_lex (&x) != CPP_EOF)
- warning ("junk at end of '#pragma unused'");
+ if (pragma_lex (&x) != CPP_EOF)
+ BAD ("junk at end of '#pragma unused'");
+}
+
+/* Parse the ms_struct pragma. */
+void
+darwin_pragma_ms_struct (cpp_reader *pfile ATTRIBUTE_UNUSED)
+{
+ const char *arg;
+ tree t;
+
+ if (pragma_lex (&t) != CPP_NAME)
+ BAD ("malformed '#pragma ms_struct', ignoring");
+ arg = IDENTIFIER_POINTER (t);
+
+ if (!strcmp (arg, "on"))
+ darwin_ms_struct = true;
+ else if (!strcmp (arg, "off") || !strcmp (arg, "reset"))
+ darwin_ms_struct = false;
+ else
+ BAD ("malformed '#pragma ms_struct {on|off|reset}', ignoring");
+
+ if (pragma_lex (&t) != CPP_EOF)
+ BAD ("junk at end of '#pragma ms_struct'");
}
static struct {
/* Remember which frameworks have been seen, so that we can ensure
that all uses of that framework come from the same framework. DIR
is the place where the named framework NAME, which is of length
- LEN, was found. */
+ LEN, was found. We copy the directory name from NAME, as it will be
+ freed by others. */
static void
add_framework (const char *name, size_t len, cpp_dir *dir)
{
+ char *dir_name;
int i;
for (i = 0; i < num_frameworks; ++i)
{
if (i >= max_frameworks)
{
max_frameworks = i*2;
+ max_frameworks += i == 0;
frameworks_in_use = xrealloc (frameworks_in_use,
max_frameworks*sizeof(*frameworks_in_use));
}
- frameworks_in_use[num_frameworks].name = name;
+ dir_name = XNEWVEC (char, len + 1);
+ memcpy (dir_name, name, len);
+ dir_name[len] = '\0';
+ frameworks_in_use[num_frameworks].name = dir_name;
frameworks_in_use[num_frameworks].len = len;
frameworks_in_use[num_frameworks].dir = dir;
++num_frameworks;
if (fast_dir && dir != fast_dir)
return 0;
- frname = xmalloc (strlen (fname) + dir->len + 2
+ frname = XNEWVEC (char, strlen (fname) + dir->len + 2
+ strlen(".framework/") + strlen("PrivateHeaders"));
strncpy (&frname[0], dir->name, dir->len);
frname_len = dir->len;
strncpy (&frname[frname_len], ".framework/", strlen (".framework/"));
frname_len += strlen (".framework/");
+ if (fast_dir == 0)
+ {
+ frname[frname_len-1] = 0;
+ if (stat (frname, &st) == 0)
+ {
+ /* As soon as we find the first instance of the framework,
+ we stop and never use any later instance of that
+ framework. */
+ add_framework (fname, fname_len, dir);
+ }
+ else
+ {
+ /* If we can't find the parent directory, no point looking
+ further. */
+ free (frname);
+ return 0;
+ }
+ frname[frname_len-1] = '/';
+ }
+
/* Append framework_header_dirs and header file name */
for (i = 0; framework_header_dirs[i].dirName; i++)
{
- strncpy (&frname[frname_len],
+ strncpy (&frname[frname_len],
framework_header_dirs[i].dirName,
framework_header_dirs[i].dirNameLen);
strcpy (&frname[frname_len + framework_header_dirs[i].dirNameLen],
&fname[fname_len]);
if (stat (frname, &st) == 0)
- {
- add_framework (fname, fname_len, dir);
- return frname;
- }
+ return frname;
}
free (frname);
{
char *sfrname;
const char *dot_framework = ".framework/";
- char *bufptr;
- int sfrname_len, i, fname_len;
+ char *bufptr;
+ int sfrname_len, i, fname_len;
struct cpp_dir *fast_dir;
static struct cpp_dir subframe_dir;
struct stat st;
/* Subframework files must have / in the name. */
if (bufptr == 0)
return 0;
-
+
fname_len = bufptr - fname;
fast_dir = find_framework (fname, fname_len);
bufptr = strstr (pname, dot_framework);
/* If the parent header is not of any framework, then this header
- can not be part of any subframework. */
+ cannot be part of any subframework. */
if (!bufptr)
return 0;
/* Now translate. For example, +- bufptr
- fname = CarbonCore/OSUtils.h |
+ fname = CarbonCore/OSUtils.h |
pname = /System/Library/Frameworks/Foundation.framework/Headers/Foundation.h
into
sfrname = /System/Library/Frameworks/Foundation.framework/Frameworks/CarbonCore.framework/Headers/OSUtils.h */
- sfrname = (char *) xmalloc (strlen (pname) + strlen (fname) + 2 +
+ sfrname = XNEWVEC (char, strlen (pname) + strlen (fname) + 2 +
strlen ("Frameworks/") + strlen (".framework/")
+ strlen ("PrivateHeaders"));
-
+
bufptr += strlen (dot_framework);
- sfrname_len = bufptr - pname;
+ sfrname_len = bufptr - pname;
strncpy (&sfrname[0], pname, sfrname_len);
/* Append framework_header_dirs and header file name */
for (i = 0; framework_header_dirs[i].dirName; i++)
{
- strncpy (&sfrname[sfrname_len],
+ strncpy (&sfrname[sfrname_len],
framework_header_dirs[i].dirName,
framework_header_dirs[i].dirNameLen);
strcpy (&sfrname[sfrname_len + framework_header_dirs[i].dirNameLen],
&fname[fname_len]);
-
+
if (stat (sfrname, &st) == 0)
{
if (fast_dir != &subframe_dir)
{
if (fast_dir)
- warning ("subframework include %s conflicts with framework include",
+ warning (0, "subframework include %s conflicts with framework include",
fname);
else
add_framework (fname, fname_len, &subframe_dir);
int cxx_aware = 1;
cpp_dir *p;
- p = xmalloc (sizeof (cpp_dir));
+ p = XNEW (cpp_dir);
p->next = NULL;
p->name = path;
p->sysp = 1 + !cxx_aware;
{
cpp_dir *p;
- p = xmalloc (sizeof (cpp_dir));
+ p = XNEW (cpp_dir);
p->next = NULL;
p->name = path;
p->sysp = 0;
add_cpp_dir_path (p, BRACKET);
}
-static const char *framework_defaults [] =
+static const char *framework_defaults [] =
{
"/System/Library/Frameworks",
"/Library/Frameworks",
- "/Local/Library/Frameworks",
};
+/* Register the GNU objective-C runtime include path if STDINC. */
+
+void
+darwin_register_objc_includes (const char *sysroot, const char *iprefix,
+ int stdinc)
+{
+ const char *fname;
+ size_t len;
+ /* We do not do anything if we do not want the standard includes. */
+ if (!stdinc)
+ return;
+
+ fname = GCC_INCLUDE_DIR "-gnu-runtime";
+
+ /* Register the GNU OBJC runtime include path if we are compiling OBJC
+ with GNU-runtime. */
+
+ if (c_dialect_objc () && !flag_next_runtime)
+ {
+ char *str;
+ /* See if our directory starts with the standard prefix.
+ "Translate" them, i.e. replace /usr/local/lib/gcc... with
+ IPREFIX and search them first. */
+ if (iprefix && (len = cpp_GCC_INCLUDE_DIR_len) != 0 && !sysroot
+ && !strncmp (fname, cpp_GCC_INCLUDE_DIR, len))
+ {
+ str = concat (iprefix, fname + len, NULL);
+ /* FIXME: wrap the headers for C++awareness. */
+ add_path (str, SYSTEM, /*c++aware=*/false, false);
+ }
+
+ /* Should this directory start with the sysroot? */
+ if (sysroot)
+ str = concat (sysroot, fname, NULL);
+ else
+ str = update_path (fname, "");
+
+ add_path (str, SYSTEM, /*c++aware=*/false, false);
+ }
+}
+
/* Register all the system framework paths if STDINC is true and setup
the missing_header callback for subframework searching if any
frameworks had been registered. */
void
-darwin_register_frameworks (int stdinc)
+darwin_register_frameworks (const char *sysroot,
+ const char *iprefix ATTRIBUTE_UNUSED, int stdinc)
{
if (stdinc)
{
/* Setup default search path for frameworks. */
for (i=0; i<sizeof (framework_defaults)/sizeof(const char *); ++i)
{
+ char *str;
+ if (sysroot)
+ str = concat (sysroot, xstrdup (framework_defaults [i]), NULL);
+ else
+ str = xstrdup (framework_defaults[i]);
/* System Framework headers are cxx aware. */
- add_system_framework_path (xstrdup (framework_defaults[i]));
+ add_system_framework_path (str);
}
}
fails to find a header. We search each file in the include stack,
using FUNC, starting from the most deeply nested include and
finishing with the main input file. We stop searching when FUNC
- returns non-zero. */
+ returns nonzero. */
static const char*
-find_subframework_header (cpp_reader *pfile, const char *header)
+find_subframework_header (cpp_reader *pfile, const char *header, cpp_dir **dirp)
{
const char *fname = header;
struct cpp_buffer *b;
{
n = find_subframework_file (fname, cpp_get_path (cpp_get_file (b)));
if (n)
- return n;
+ {
+ /* Logically, the place where we found the subframework is
+ the place where we found the Framework that contains the
+ subframework. This is useful for tracking wether or not
+ we are in a system header. */
+ *dirp = cpp_get_dir (cpp_get_file (b));
+ return n;
+ }
}
return 0;
}
-struct target_c_incpath_s target_c_incpath = C_INCPATH_INIT;
+/* Return the value of darwin_macosx_version_min suitable for the
+ __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ macro,
+ so '10.4.2' becomes 1042.
+ Print a warning if the version number is not known. */
+static const char *
+version_as_macro (void)
+{
+ static char result[] = "1000";
+
+ if (strncmp (darwin_macosx_version_min, "10.", 3) != 0)
+ goto fail;
+ if (! ISDIGIT (darwin_macosx_version_min[3]))
+ goto fail;
+ result[2] = darwin_macosx_version_min[3];
+ if (darwin_macosx_version_min[4] != '\0')
+ {
+ if (darwin_macosx_version_min[4] != '.')
+ goto fail;
+ if (! ISDIGIT (darwin_macosx_version_min[5]))
+ goto fail;
+ if (darwin_macosx_version_min[6] != '\0')
+ goto fail;
+ result[3] = darwin_macosx_version_min[5];
+ }
+ else
+ result[3] = '0';
+
+ return result;
+
+ fail:
+ error ("Unknown value %qs of -mmacosx-version-min",
+ darwin_macosx_version_min);
+ return "1000";
+}
+
+/* Define additional CPP flags for Darwin. */
+
+#define builtin_define(TXT) cpp_define (pfile, TXT)
+
+void
+darwin_cpp_builtins (cpp_reader *pfile)
+{
+ builtin_define ("__MACH__");
+ builtin_define ("__APPLE__");
+
+ /* __APPLE_CC__ is defined as some old Apple include files expect it
+ to be defined and won't work if it isn't. */
+ builtin_define_with_value ("__APPLE_CC__", "1", false);
+
+ if (darwin_macosx_version_min)
+ builtin_define_with_value ("__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__",
+ version_as_macro(), false);
+}
OSDN Git Service
