mirror of
https://gcc.gnu.org/git/gcc.git
synced 2024-11-25 11:54:01 +08:00
cppfiles.c (stack_include_file): Harmonize system headerness tests.
* cppfiles.c (stack_include_file): Harmonize system headerness tests. * cppfiles.c (stack_include_file): Only stack a file if there is something to do. Return a boolean indicating whether a buffer was stacked or not. (_cpp_execute_include): Similarly. (_cpp_read_file): Similarly. * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes. From-SVN: r45083
This commit is contained in:
Neil Booth
Neil Booth
parent
c1a6a8dc2a
commit
e5eba70ac7
@ -1,3 +1,13 @@
|
||||
2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
|
||||
|
||||
* cppfiles.c (stack_include_file): Harmonize system headerness tests.
|
||||
* cppfiles.c (stack_include_file): Only stack a file if there
|
||||
is something to do. Return a boolean indicating whether a
|
||||
buffer was stacked or not.
|
||||
(_cpp_execute_include): Similarly.
|
||||
(_cpp_read_file): Similarly.
|
||||
* cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
|
||||
|
||||
2001-08-21 Sam Steingold <sds@gnu.org>
|
||||
|
||||
* tradcpp.c (rescan): define obufp_before_macroname before RECACHE
|
||||
|
||||
@ -95,7 +95,7 @@ static struct include_file *
|
||||
enum include_type));
|
||||
static struct include_file *open_file PARAMS ((cpp_reader *, const char *));
|
||||
static int read_include_file PARAMS ((cpp_reader *, struct include_file *));
|
||||
static void stack_include_file PARAMS ((cpp_reader *, struct include_file *));
|
||||
static bool stack_include_file PARAMS ((cpp_reader *, struct include_file *));
|
||||
static void purge_cache PARAMS ((struct include_file *));
|
||||
static void destroy_node PARAMS ((splay_tree_value));
|
||||
static int report_missing_guard PARAMS ((splay_tree_node, void *));
|
||||
@ -275,59 +275,59 @@ open_file (pfile, filename)
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Place the file referenced by INC into a new buffer on PFILE's
|
||||
stack. If there are errors, or the file should not be re-included,
|
||||
a null (zero-length) buffer is pushed. */
|
||||
/* Place the file referenced by INC into a new buffer on the buffer
|
||||
stack, unless there are errors, or the file is not re-included
|
||||
because of e.g. multiple-include guards. Returns true if a buffer
|
||||
is stacked. */
|
||||
|
||||
static void
|
||||
static bool
|
||||
stack_include_file (pfile, inc)
|
||||
cpp_reader *pfile;
|
||||
struct include_file *inc;
|
||||
{
|
||||
size_t len = 0;
|
||||
cpp_buffer *fp;
|
||||
int sysp, deps_sysp;
|
||||
int sysp;
|
||||
const char *filename;
|
||||
|
||||
/* We'll try removing deps_sysp after the release of 3.0. */
|
||||
deps_sysp = pfile->system_include_depth != 0;
|
||||
if (DO_NOT_REREAD (inc))
|
||||
return false;
|
||||
|
||||
sysp = MAX ((pfile->map ? pfile->map->sysp : 0),
|
||||
(inc->foundhere ? inc->foundhere->sysp : 0));
|
||||
|
||||
/* For -M, add the file to the dependencies on its first inclusion. */
|
||||
if (CPP_OPTION (pfile, print_deps) > deps_sysp && !inc->include_count)
|
||||
if (CPP_OPTION (pfile, print_deps) > sysp && !inc->include_count)
|
||||
deps_add_dep (pfile->deps, inc->name);
|
||||
|
||||
/* Not in cache? */
|
||||
if (! DO_NOT_REREAD (inc) && ! inc->buffer)
|
||||
if (! inc->buffer)
|
||||
{
|
||||
/* If an error occurs, do not try to read this file again. */
|
||||
if (read_include_file (pfile, inc))
|
||||
_cpp_never_reread (inc);
|
||||
{
|
||||
_cpp_never_reread (inc);
|
||||
return false;
|
||||
}
|
||||
close (inc->fd);
|
||||
inc->fd = -1;
|
||||
}
|
||||
|
||||
if (! DO_NOT_REREAD (inc))
|
||||
if (pfile->buffer)
|
||||
{
|
||||
len = inc->st.st_size;
|
||||
if (pfile->buffer)
|
||||
{
|
||||
/* We don't want MI guard advice for the main file. */
|
||||
inc->include_count++;
|
||||
/* We don't want MI guard advice for the main file. */
|
||||
inc->include_count++;
|
||||
|
||||
/* Handle -H option. */
|
||||
if (CPP_OPTION (pfile, print_include_names))
|
||||
{
|
||||
for (fp = pfile->buffer; fp; fp = fp->prev)
|
||||
putc ('.', stderr);
|
||||
fprintf (stderr, " %s\n", inc->name);
|
||||
}
|
||||
/* Handle -H option. */
|
||||
if (CPP_OPTION (pfile, print_include_names))
|
||||
{
|
||||
for (fp = pfile->buffer; fp; fp = fp->prev)
|
||||
putc ('.', stderr);
|
||||
fprintf (stderr, " %s\n", inc->name);
|
||||
}
|
||||
}
|
||||
|
||||
/* Push a buffer. */
|
||||
fp = cpp_push_buffer (pfile, inc->buffer, len, BUF_FILE, 0);
|
||||
fp = cpp_push_buffer (pfile, inc->buffer, inc->st.st_size, BUF_FILE, 0);
|
||||
fp->inc = inc;
|
||||
fp->inc->refcnt++;
|
||||
|
||||
@ -341,6 +341,8 @@ stack_include_file (pfile, inc)
|
||||
if (*filename == '\0')
|
||||
filename = _("<stdin>");
|
||||
_cpp_do_file_change (pfile, LC_ENTER, filename, 1, sysp);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/* Read the file referenced by INC into the file cache.
|
||||
@ -663,13 +665,15 @@ handle_missing_header (pfile, fname, angle_brackets)
|
||||
cpp_error_from_errno (pfile, fname);
|
||||
}
|
||||
|
||||
/* Returns non-zero if a buffer was stacked. */
|
||||
int
|
||||
/* Handles #include-family directives, and the command line -imacros
|
||||
and -include. Returns true if a buffer was stacked. */
|
||||
bool
|
||||
_cpp_execute_include (pfile, header, type)
|
||||
cpp_reader *pfile;
|
||||
const cpp_token *header;
|
||||
enum include_type type;
|
||||
{
|
||||
bool stacked = false;
|
||||
struct include_file *inc = find_include_file (pfile, header, type);
|
||||
|
||||
if (inc == 0)
|
||||
@ -680,15 +684,13 @@ _cpp_execute_include (pfile, header, type)
|
||||
if (header->type == CPP_HEADER_NAME)
|
||||
pfile->system_include_depth++;
|
||||
|
||||
stack_include_file (pfile, inc);
|
||||
stacked = stack_include_file (pfile, inc);
|
||||
|
||||
if (type == IT_IMPORT)
|
||||
_cpp_never_reread (inc);
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
return stacked;
|
||||
}
|
||||
|
||||
/* Locate HEADER, and determine whether it is newer than the current
|
||||
@ -714,23 +716,23 @@ _cpp_compare_file_date (pfile, header)
|
||||
}
|
||||
|
||||
|
||||
/* Push an input buffer and load it up with the contents of FNAME.
|
||||
If FNAME is "", read standard input. */
|
||||
int
|
||||
/* Push an input buffer and load it up with the contents of FNAME. If
|
||||
FNAME is "", read standard input. Return true if a buffer was
|
||||
stacked. */
|
||||
bool
|
||||
_cpp_read_file (pfile, fname)
|
||||
cpp_reader *pfile;
|
||||
const char *fname;
|
||||
{
|
||||
struct include_file *f = open_file (pfile, fname);
|
||||
bool stacked = false;
|
||||
|
||||
if (f == NULL)
|
||||
{
|
||||
cpp_error_from_errno (pfile, fname);
|
||||
return 0;
|
||||
}
|
||||
cpp_error_from_errno (pfile, fname);
|
||||
else
|
||||
stacked = stack_include_file (pfile, f);
|
||||
|
||||
stack_include_file (pfile, f);
|
||||
return 1;
|
||||
return stacked;
|
||||
}
|
||||
|
||||
/* Do appropriate cleanup when a file buffer is popped off the input
|
||||
|
||||
@ -391,8 +391,8 @@ extern void _cpp_destroy_hashtable PARAMS ((cpp_reader *));
|
||||
extern void _cpp_fake_include PARAMS ((cpp_reader *, const char *));
|
||||
extern void _cpp_never_reread PARAMS ((struct include_file *));
|
||||
extern char *_cpp_simplify_pathname PARAMS ((char *));
|
||||
extern int _cpp_read_file PARAMS ((cpp_reader *, const char *));
|
||||
extern int _cpp_execute_include PARAMS ((cpp_reader *,
|
||||
extern bool _cpp_read_file PARAMS ((cpp_reader *, const char *));
|
||||
extern bool _cpp_execute_include PARAMS ((cpp_reader *,
|
||||
const cpp_token *,
|
||||
enum include_type));
|
||||
extern int _cpp_compare_file_date PARAMS ((cpp_reader *,
|
||||
|
||||
Loading…
Reference in New Issue
Block a user