/* Set up combined include path chain for the preprocessor.
Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+ 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
Broken out of cppinit.c and cppfiles.c and rewritten Mar 2003.
#include "config.h"
#include "system.h"
#include "coretypes.h"
+#include "machmode.h"
+#include "target.h"
#include "tm.h"
#include "cpplib.h"
#include "prefix.h"
# define INO_T_COPY(DEST, SRC) (DEST) = (SRC)
#endif
-static void add_env_var_paths PARAMS ((const char *, int));
-static void add_standard_paths PARAMS ((const char *, const char *, int));
-static void free_path PARAMS ((struct cpp_path *, int));
-static void merge_include_chains PARAMS ((cpp_reader *, int));
-static struct cpp_path *
- remove_duplicates PARAMS ((cpp_reader *, struct cpp_path *,
- struct cpp_path *, struct cpp_path *, int));
+static void add_env_var_paths (const char *, int);
+static void add_standard_paths (const char *, const char *, int);
+static void free_path (struct cpp_dir *, int);
+static void merge_include_chains (cpp_reader *, int);
+static struct cpp_dir *remove_duplicates (cpp_reader *, struct cpp_dir *,
+ struct cpp_dir *,
+ struct cpp_dir *, int);
/* Include chains heads and tails. */
-static struct cpp_path *heads[4];
-static struct cpp_path *tails[4];
+static struct cpp_dir *heads[4];
+static struct cpp_dir *tails[4];
static bool quote_ignores_source_dir;
enum { REASON_QUIET = 0, REASON_NOENT, REASON_DUP, REASON_DUP_SYS };
/* Free an element of the include chain, possibly giving a reason. */
static void
-free_path (path, reason)
- struct cpp_path *path;
- int reason;
+free_path (struct cpp_dir *path, int reason)
{
switch (reason)
{
/* Read ENV_VAR for a PATH_SEPARATOR-separated list of file names; and
append all the names to the search path CHAIN. */
static void
-add_env_var_paths (env_var, chain)
- const char *env_var;
- int chain;
+add_env_var_paths (const char *env_var, int chain)
{
char *p, *q, *path;
path[q - p] = '\0';
}
- add_path (path, chain, chain == SYSTEM);
+ add_path (path, chain, chain == SYSTEM, false);
}
}
/* Append the standard include chain defined in cppdefault.c. */
static void
-add_standard_paths (sysroot, iprefix, cxx_stdinc)
- const char *sysroot, *iprefix;
- int cxx_stdinc;
+add_standard_paths (const char *sysroot, const char *iprefix, int cxx_stdinc)
{
const struct default_include *p;
size_t len;
if (!strncmp (p->fname, cpp_GCC_INCLUDE_DIR, len))
{
char *str = concat (iprefix, p->fname + len, NULL);
- add_path (str, SYSTEM, p->cxx_aware);
+ add_path (str, SYSTEM, p->cxx_aware, false);
}
}
}
else
str = update_path (p->fname, p->component);
- add_path (str, SYSTEM, p->cxx_aware);
+ add_path (str, SYSTEM, p->cxx_aware, false);
}
}
}
JOIN, unless it duplicates JOIN in which case the last path is
removed. Return the head of the resulting chain. Any of HEAD,
JOIN and SYSTEM can be NULL. */
-static struct cpp_path *
-remove_duplicates (pfile, head, system, join, verbose)
- cpp_reader *pfile;
- struct cpp_path *head;
- struct cpp_path *system;
- struct cpp_path *join;
- int verbose;
+
+static struct cpp_dir *
+remove_duplicates (cpp_reader *pfile, struct cpp_dir *head,
+ struct cpp_dir *system, struct cpp_dir *join,
+ int verbose)
{
- struct cpp_path **pcur, *tmp, *cur;
+ struct cpp_dir **pcur, *tmp, *cur;
struct stat st;
for (pcur = &head; *pcur; )
int reason = REASON_QUIET;
cur = *pcur;
- cpp_simplify_path (cur->name);
if (stat (cur->name, &st))
{
/* Dirs that don't exist are silently ignored, unless verbose. */
if (errno != ENOENT)
- cpp_errno (pfile, DL_ERROR, cur->name);
+ cpp_errno (pfile, CPP_DL_ERROR, cur->name);
else
- reason = REASON_NOENT;
+ {
+ /* If -Wmissing-include-dirs is given, warn. */
+ cpp_options *opts = cpp_get_options (pfile);
+ if (opts->warn_missing_include_dirs && cur->user_supplied_p)
+ cpp_errno (pfile, CPP_DL_WARNING, cur->name);
+ reason = REASON_NOENT;
+ }
}
else if (!S_ISDIR (st.st_mode))
- cpp_error_with_line (pfile, DL_ERROR, 0, 0,
+ cpp_error_with_line (pfile, CPP_DL_ERROR, 0, 0,
"%s: not a directory", cur->name);
else
{
if (!tmp)
{
- /* Dupicate of something earlier in the same chain? */
+ /* Duplicate of something earlier in the same chain? */
reason = REASON_DUP;
for (tmp = head; tmp != cur; tmp = tmp->next)
if (INO_T_EQ (cur->ino, tmp->ino) && cur->dev == tmp->dev)
We can't just merge the lists and then uniquify them because then
we may lose directories from the <> search path that should be
- there; consider -Ifoo -Ibar -I- -Ifoo -Iquux. It is however safe
- to treat -Ibar -Ifoo -I- -Ifoo -Iquux as if written -Ibar -I- -Ifoo
- -Iquux. */
+ there; consider -iquote foo -iquote bar -Ifoo -Iquux. It is
+ however safe to treat -iquote bar -iquote foo -Ifoo -Iquux as if
+ written -iquote bar -Ifoo -Iquux. */
+
static void
-merge_include_chains (pfile, verbose)
- cpp_reader *pfile;
- int verbose;
+merge_include_chains (cpp_reader *pfile, int verbose)
{
/* Join the SYSTEM and AFTER chains. Remove duplicates in the
resulting SYSTEM chain. */
/* If verbose, print the list of dirs to search. */
if (verbose)
{
- struct cpp_path *p;
+ struct cpp_dir *p;
fprintf (stderr, _("#include \"...\" search starts here:\n"));
for (p = heads[QUOTE];; p = p->next)
(Note that -I. -I- is not the same as the default setup; -I. uses
the compiler's working dir.) */
void
-split_quote_chain ()
+split_quote_chain (void)
{
heads[QUOTE] = heads[BRACKET];
tails[QUOTE] = tails[BRACKET];
quote_ignores_source_dir = true;
}
+/* Add P to the chain specified by CHAIN. */
+
+void
+add_cpp_dir_path (cpp_dir *p, int chain)
+{
+ if (tails[chain])
+ tails[chain]->next = p;
+ else
+ heads[chain] = p;
+ tails[chain] = p;
+}
+
/* Add PATH to the include chain CHAIN. PATH must be malloc-ed and
NUL-terminated. */
void
-add_path (path, chain, cxx_aware)
- char *path;
- int chain;
- int cxx_aware;
+add_path (char *path, int chain, int cxx_aware, bool user_supplied_p)
{
- struct cpp_path *p;
+ cpp_dir *p;
+
+#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
+ /* Convert all backslashes to slashes. The native CRT stat()
+ function does not recognise a directory that ends in a backslash
+ (unless it is a drive root dir, such "c:\"). Forward slashes,
+ trailing or otherwise, cause no problems for stat(). */
+ char* c;
+ for (c = path; *c; c++)
+ if (*c == '\\') *c = '/';
+#endif
- p = (struct cpp_path *) xmalloc (sizeof (struct cpp_path));
+ p = xmalloc (sizeof (cpp_dir));
p->next = NULL;
p->name = path;
if (chain == SYSTEM || chain == AFTER)
p->sysp = 1 + !cxx_aware;
else
p->sysp = 0;
+ p->construct = 0;
+ p->user_supplied_p = user_supplied_p;
- if (tails[chain])
- tails[chain]->next = p;
- else
- heads[chain] = p;
- tails[chain] = p;
+ add_cpp_dir_path (p, chain);
}
/* Exported function to handle include chain merging, duplicate
removal, and registration with cpplib. */
void
-register_include_chains (pfile, sysroot, iprefix,
- stdinc, cxx_stdinc, verbose)
- cpp_reader *pfile;
- const char *sysroot, *iprefix;
- int stdinc, cxx_stdinc, verbose;
+register_include_chains (cpp_reader *pfile, const char *sysroot,
+ const char *iprefix, int stdinc, int cxx_stdinc,
+ int verbose)
{
static const char *const lang_env_vars[] =
{ "C_INCLUDE_PATH", "CPLUS_INCLUDE_PATH",
if (stdinc)
add_standard_paths (sysroot, iprefix, cxx_stdinc);
+ target_c_incpath.extra_includes (stdinc);
+
merge_include_chains (pfile, verbose);
cpp_set_include_chains (pfile, heads[QUOTE], heads[BRACKET],
quote_ignores_source_dir);
}
+
+#ifndef TARGET_EXTRA_INCLUDES
+static void hook_void_int(int u ATTRIBUTE_UNUSED) { }
+
+struct target_c_incpath_s target_c_incpath = { hook_void_int };
+#endif
OSDN Git Service
