You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
-Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
#include "config.h"
#include "system.h"
static void directive_diagnostics (cpp_reader *, const directive *, int);
static void run_directive (cpp_reader *, int, const char *, size_t);
static char *glue_header_name (cpp_reader *);
-static const char *parse_include (cpp_reader *, int *);
+static const char *parse_include (cpp_reader *, int *, const cpp_token ***);
static void push_conditional (cpp_reader *, int, int, const cpp_hashnode *);
static unsigned int read_flag (cpp_reader *, unsigned int);
static int strtoul_for_line (const uchar *, unsigned int, unsigned long *);
D(import, T_IMPORT, EXTENSION, INCL | EXPAND) /* 0 ObjC */ \
D(assert, T_ASSERT, EXTENSION, 0) /* 0 SVR4 */ \
D(unassert, T_UNASSERT, EXTENSION, 0) /* 0 SVR4 */ \
-D(sccs, T_SCCS, EXTENSION, 0) /* 0 SVR4? */
+D(sccs, T_SCCS, EXTENSION, IN_I) /* 0 SVR4? */
+
+/* #sccs is synonymous with #ident. */
+#define do_sccs do_ident
/* Use the table to generate a series of prototypes, an enum for the
directive names, and an array of directive handlers. */
pfile->directive->name);
}
+/* Ensure there are no stray tokens other than comments at the end of
+ a directive, and gather the comments. */
+static const cpp_token **
+check_eol_return_comments (cpp_reader *pfile)
+{
+ size_t c;
+ size_t capacity = 8;
+ const cpp_token **buf;
+
+ buf = XNEWVEC (const cpp_token *, capacity);
+ c = 0;
+ if (! SEEN_EOL ())
+ {
+ while (1)
+ {
+ const cpp_token *tok;
+
+ tok = _cpp_lex_token (pfile);
+ if (tok->type == CPP_EOF)
+ break;
+ if (tok->type != CPP_COMMENT)
+ cpp_error (pfile, CPP_DL_PEDWARN,
+ "extra tokens at end of #%s directive",
+ pfile->directive->name);
+ else
+ {
+ if (c + 1 >= capacity)
+ {
+ capacity *= 2;
+ buf = XRESIZEVEC (const cpp_token *, buf, capacity);
+ }
+ buf[c] = tok;
+ ++c;
+ }
+ }
+ }
+ buf[c] = NULL;
+ return buf;
+}
+
/* Called when entering a directive, _Pragma or command-line directive. */
static void
start_directive (cpp_reader *pfile)
/* To avoid lexed tokens overwriting our glued name, we can only
allocate from the string pool once we've lexed everything. */
- buffer = xmalloc (capacity);
+ buffer = XNEWVEC (char, capacity);
for (;;)
{
token = get_token_no_padding (pfile);
if (total_len + len > capacity)
{
capacity = (capacity + len) * 2;
- buffer = xrealloc (buffer, capacity);
+ buffer = XRESIZEVEC (char, buffer, capacity);
}
if (token->flags & PREV_WHITE)
buffer[total_len++] = ' ';
- total_len = (cpp_spell_token (pfile, token, (uchar *) &buffer[total_len])
+ total_len = (cpp_spell_token (pfile, token, (uchar *) &buffer[total_len],
+ true)
- (uchar *) buffer);
}
#pragma dependency. The string is malloced and the caller should
free it. Returns NULL on error. */
static const char *
-parse_include (cpp_reader *pfile, int *pangle_brackets)
+parse_include (cpp_reader *pfile, int *pangle_brackets,
+ const cpp_token ***buf)
{
char *fname;
const cpp_token *header;
header = get_token_no_padding (pfile);
if (header->type == CPP_STRING || header->type == CPP_HEADER_NAME)
{
- fname = xmalloc (header->val.str.len - 1);
+ fname = XNEWVEC (char, header->val.str.len - 1);
memcpy (fname, header->val.str.text + 1, header->val.str.len - 2);
fname[header->val.str.len - 2] = '\0';
*pangle_brackets = header->type == CPP_HEADER_NAME;
return NULL;
}
- check_eol (pfile);
+ if (buf == NULL || CPP_OPTION (pfile, discard_comments))
+ check_eol (pfile);
+ else
+ {
+ /* If we are not discarding comments, then gather them while
+ doing the eol check. */
+ *buf = check_eol_return_comments (pfile);
+ }
+
return fname;
}
{
const char *fname;
int angle_brackets;
+ const cpp_token **buf = NULL;
- fname = parse_include (pfile, &angle_brackets);
+ /* Re-enable saving of comments if requested, so that the include
+ callback can dump comments which follow #include. */
+ pfile->state.save_comments = ! CPP_OPTION (pfile, discard_comments);
+
+ fname = parse_include (pfile, &angle_brackets, &buf);
if (!fname)
- return;
+ {
+ if (buf)
+ XDELETEVEC (buf);
+ return;
+ }
if (!*fname)
{
cpp_error (pfile, CPP_DL_ERROR, "empty filename in #%s",
pfile->directive->name);
- free ((void *) fname);
+ XDELETEVEC (fname);
+ if (buf)
+ XDELETEVEC (buf);
return;
}
if (pfile->cb.include)
pfile->cb.include (pfile, pfile->directive_line,
- pfile->directive->name, fname, angle_brackets);
+ pfile->directive->name, fname, angle_brackets,
+ buf);
_cpp_stack_include (pfile, fname, angle_brackets, type);
}
- free ((void *) fname);
+ XDELETEVEC (fname);
+ if (buf)
+ XDELETEVEC (buf);
}
static void
const cpp_token *str = cpp_get_token (pfile);
if (str->type != CPP_STRING)
- cpp_error (pfile, CPP_DL_ERROR, "invalid #ident directive");
+ cpp_error (pfile, CPP_DL_ERROR, "invalid #%s directive",
+ pfile->directive->name);
else if (pfile->cb.ident)
pfile->cb.ident (pfile, pfile->directive_line, &str->val.str);
const cpp_hashnode *pragma, pragma_cb handler,
bool allow_expansion, bool internal)
{
- struct pragma_entry *new;
+ struct pragma_entry *new_entry;
- new = (struct pragma_entry *)
+ new_entry = (struct pragma_entry *)
_cpp_aligned_alloc (pfile, sizeof (struct pragma_entry));
- new->pragma = pragma;
+ new_entry->pragma = pragma;
if (handler)
{
- new->is_nspace = 0;
- new->u.handler = handler;
+ new_entry->is_nspace = 0;
+ new_entry->u.handler = handler;
}
else
{
- new->is_nspace = 1;
- new->u.space = NULL;
+ new_entry->is_nspace = 1;
+ new_entry->u.space = NULL;
}
- new->allow_expansion = allow_expansion;
- new->is_internal = internal;
- new->next = *chain;
- *chain = new;
- return new;
+ new_entry->allow_expansion = allow_expansion;
+ new_entry->is_internal = internal;
+ new_entry->next = *chain;
+ *chain = new_entry;
+ return new_entry;
}
/* Register a pragma NAME in namespace SPACE. If SPACE is null, it
{
if (pe->is_nspace)
sd = save_registered_pragmas (pe->u.space, sd);
- *sd++ = xmemdup (HT_STR (&pe->pragma->ident),
- HT_LEN (&pe->pragma->ident),
- HT_LEN (&pe->pragma->ident) + 1);
+ *sd++ = (char *) xmemdup (HT_STR (&pe->pragma->ident),
+ HT_LEN (&pe->pragma->ident),
+ HT_LEN (&pe->pragma->ident) + 1);
}
return sd;
}
const char *fname;
int angle_brackets, ordering;
- fname = parse_include (pfile, &angle_brackets);
+ fname = parse_include (pfile, &angle_brackets, NULL);
if (!fname)
return;
const unsigned char *src, *limit;
char *dest, *result;
- dest = result = alloca (in->len - 1);
+ dest = result = (char *) alloca (in->len - 1);
src = in->text + 1 + (in->text[0] == 'L');
limit = in->text + in->len - 1;
while (src < limit)
CPP_OPTION (pfile, defer_pragmas) = saved_defer_pragmas;
}
-/* Ignore #sccs on all systems. */
-static void
-do_sccs (cpp_reader *pfile ATTRIBUTE_UNUSED)
-{
-}
-
/* Handle #ifdef. */
static void
do_ifdef (cpp_reader *pfile)
else if (parse_answer (pfile, answerp, type) == 0)
{
unsigned int len = NODE_LEN (predicate->val.node);
- unsigned char *sym = alloca (len + 1);
+ unsigned char *sym = (unsigned char *) alloca (len + 1);
/* Prefix '#' to get it out of macro namespace. */
sym[0] = '#';
if (pfile->hash_table->alloc_subobject)
{
struct answer *temp_answer = new_answer;
- new_answer = pfile->hash_table->alloc_subobject (answer_size);
+ new_answer = (struct answer *) pfile->hash_table->alloc_subobject
+ (answer_size);
memcpy (new_answer, temp_answer, answer_size);
}
else
tack " 1" on the end. */
count = strlen (str);
- buf = alloca (count + 3);
+ buf = (char *) alloca (count + 3);
memcpy (buf, str, count);
p = strchr (str, '=');
_cpp_define_builtin (cpp_reader *pfile, const char *str)
{
size_t len = strlen (str);
- char *buf = alloca (len + 1);
+ char *buf = (char *) alloca (len + 1);
memcpy (buf, str, len);
buf[len] = '\n';
run_directive (pfile, T_DEFINE, buf, len);
cpp_undef (cpp_reader *pfile, const char *macro)
{
size_t len = strlen (macro);
- char *buf = alloca (len + 1);
+ char *buf = (char *) alloca (len + 1);
memcpy (buf, macro, len);
buf[len] = '\n';
run_directive (pfile, T_UNDEF, buf, len);
/* Copy the entire option so we can modify it. Change the first
"=" in the string to a '(', and tack a ')' on the end. */
- char *buf = alloca (count + 2);
+ char *buf = (char *) alloca (count + 2);
memcpy (buf, str, count);
if (p)
cpp_push_buffer (cpp_reader *pfile, const uchar *buffer, size_t len,
int from_stage3)
{
- cpp_buffer *new = XOBNEW (&pfile->buffer_ob, cpp_buffer);
+ cpp_buffer *new_buffer = XOBNEW (&pfile->buffer_ob, cpp_buffer);
/* Clears, amongst other things, if_stack and mi_cmacro. */
- memset (new, 0, sizeof (cpp_buffer));
+ memset (new_buffer, 0, sizeof (cpp_buffer));
- new->next_line = new->buf = buffer;
- new->rlimit = buffer + len;
- new->from_stage3 = from_stage3;
- new->prev = pfile->buffer;
- new->need_line = true;
+ new_buffer->next_line = new_buffer->buf = buffer;
+ new_buffer->rlimit = buffer + len;
+ new_buffer->from_stage3 = from_stage3;
+ new_buffer->prev = pfile->buffer;
+ new_buffer->need_line = true;
- pfile->buffer = new;
+ pfile->buffer = new_buffer;
- return new;
+ return new_buffer;
}
/* Pops a single buffer, with a file change call-back if appropriate.
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