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Makefile.am: Add makedepend.

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libcpp:
	* Makefile.am: Add makedepend.
	* Makefile.in, aclocal.m4: Regenerate.
	* charset.c: Insert a space to avoid a warning.
	* directives.c: Include mkdeps.h.
	(_cpp_handle_directive): Reenable macro expander if appropriate.
	(undefine_macros): Inline body of _cpp_free_definition for speed.
	Do not call undef callback or _cpp_warn_if_unused_macro.
	(cpp_get_deps): New interface.
	* files.c (search_cache): Add pfile argument.  Check for file
	that would be found by "" or <> search here...
	(_cpp_find_file): ...not here.  Correct recorded start_dir of
	files found by directory-of-current-file search that would be
	found by "" or <> search.
	* init.c (cpp_add_dependency_target): Delete.
	* internal.h (struct lexer_state): Add discarding_output flag.
	* lex.c (lex_identifier): Compute hash function while scanning.
	* macro.c (cpp_scan_nooutput): Disable macro expansion outside
	directives.
	* makedepend.c: New file.
	* mkdeps.c (struct deps): Add vpath vector.
	(apply_vpath, deps_add_vpath): New function.
	(deps_free): Free vpath vector.
	(deps_add_dep, deps_add_target): Use apply_vpath.
	* symtab.c (calc_hash): Use HT_HASHSTEP and HT_FINISH.
	(ht_lookup_with_hash): New function.
	* cpplib.h, mkdeps.h: Update prototypes.
	* symtab.h: Update prototypes.
	(HT_HASHSTEP, HT_FINISH): New macros.

gcc:
	* Makefile.in (MKDEPS_H): New shorthand.
	(c-opts.o): Update dependencies.
	* c-opts.c: Include mkdeps.h.
	(handle_deferred_opts): Use cpp_get_deps and deps_add_target,
	not cpp_add_dependency_target.

From-SVN: r82654
This commit is contained in:
Zack Weinberg 2004-06-05 20:58:06 +00:00
parent dbeff3e56d
commit c6e8380069
20 changed files with 531 additions and 120 deletions
Download patch file Download diff file Expand all files Collapse all files

28
libcpp/lex.c
View file

@ -470,22 +470,36 @@ static cpp_hashnode *
lex_identifier (cpp_reader *pfile, const uchar *base)
{
cpp_hashnode *result;
const uchar *cur;
const uchar *cur, *limit;
unsigned int len;
unsigned int hash = HT_HASHSTEP (0, *base);
do
cur = pfile->buffer->cur;
for (;;)
{
cur = pfile->buffer->cur;
/* N.B. ISIDNUM does not include $. */
while (ISIDNUM (*cur))
cur++;
{
hash = HT_HASHSTEP (hash, *cur);
cur++;
}
pfile->buffer->cur = cur;
if (!forms_identifier_p (pfile, false))
break;
limit = pfile->buffer->cur;
while (cur < limit)
{
hash = HT_HASHSTEP (hash, *cur);
cur++;
}
}
while (forms_identifier_p (pfile, false));
len = cur - base;
hash = HT_HASHFINISH (hash, len);
result = (cpp_hashnode *)
ht_lookup (pfile->hash_table, base, cur - base, HT_ALLOC);
ht_lookup_with_hash (pfile->hash_table, base, len, hash, HT_ALLOC);
/* Rarely, identifiers require diagnostics when lexed. */
if (__builtin_expect ((result->flags & NODE_DIAGNOSTIC)