/* Part of CPP library.
- Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+ Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007
Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify it
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. */
/* This header defines all the internal data structures and functions
that need to be visible across files. It should not be used outside
/* Nonzero to prevent macro expansion. */
unsigned char prevent_expansion;
- /* Nonzero when handling a deferred pragma. */
- unsigned char in_deferred_pragma;
-
/* Nonzero when parsing arguments to a function-like macro. */
unsigned char parsing_args;
/* Nonzero to skip evaluating part of an expression. */
unsigned int skip_eval;
+
+ /* Nonzero when handling a deferred pragma. */
+ unsigned char in_deferred_pragma;
+
+ /* Nonzero if the deferred pragma being handled allows macro expansion. */
+ unsigned char pragma_allow_expansion;
};
/* Special nodes - identifiers with predefined significance. */
Used for include_next and to record control macros. */
struct _cpp_file *file;
+ /* Saved value of __TIMESTAMP__ macro - date and time of last modification
+ of the assotiated file. */
+ const unsigned char *timestamp;
+
/* Value of if_stack at start of this file.
Used to prohibit unmatched #endif (etc) in an include file. */
struct if_stack *if_stack;
struct deps *deps;
/* Obstack holding all macro hash nodes. This never shrinks.
- See cpphash.c */
+ See identifiers.c */
struct obstack hash_ob;
/* Obstack holding buffer and conditional structures. This is a
- real stack. See cpplib.c. */
+ real stack. See directives.c. */
struct obstack buffer_ob;
/* Pragma table - dynamic, because a library user can add to the
source_location first_line;
} out;
- /* Used for buffer overlays by cpptrad.c. */
+ /* Used for buffer overlays by traditional.c. */
const unsigned char *saved_cur, *saved_rlimit, *saved_line_base;
/* A saved list of the defined macros, for dependency checking
definition of a pp-number in the C standard [section 6.4.8 of C99].
In the unlikely event that characters other than \r and \n enter
- the set is_vspace, the macro handle_newline() in cpplex.c must be
+ the set is_vspace, the macro handle_newline() in lex.c must be
updated. */
#define _dollar_ok(x) ((x) == '$' && CPP_OPTION (pfile, dollars_in_ident))
#define CPP_PEDANTIC(PF) CPP_OPTION (PF, pedantic)
#define CPP_WTRADITIONAL(PF) CPP_OPTION (PF, warn_traditional)
-/* In cpperror.c */
+static inline int cpp_in_primary_file (cpp_reader *);
+static inline int
+cpp_in_primary_file (cpp_reader *pfile)
+{
+ return pfile->line_table->depth == 1;
+}
+
+/* In errors.c */
extern int _cpp_begin_message (cpp_reader *, int,
source_location, unsigned int);
-/* In cppmacro.c */
+/* In macro.c */
extern void _cpp_free_definition (cpp_hashnode *);
extern bool _cpp_create_definition (cpp_reader *, cpp_hashnode *);
extern void _cpp_pop_context (cpp_reader *);
unsigned int);
extern const unsigned char *_cpp_builtin_macro_text (cpp_reader *,
cpp_hashnode *);
-int _cpp_warn_if_unused_macro (cpp_reader *, cpp_hashnode *, void *);
-/* In cpphash.c */
+extern int _cpp_warn_if_unused_macro (cpp_reader *, cpp_hashnode *, void *);
+extern void _cpp_push_token_context (cpp_reader *, cpp_hashnode *,
+ const cpp_token *, unsigned int);
+
+/* In identifiers.c */
extern void _cpp_init_hashtable (cpp_reader *, hash_table *);
extern void _cpp_destroy_hashtable (cpp_reader *);
-/* In cppfiles.c */
+/* In files.c */
typedef struct _cpp_file _cpp_file;
-extern _cpp_file *_cpp_find_file (cpp_reader *, const char *fname,
- cpp_dir *start_dir, bool fake);
+extern _cpp_file *_cpp_find_file (cpp_reader *, const char *, cpp_dir *,
+ bool, int);
extern bool _cpp_find_failed (_cpp_file *);
extern void _cpp_mark_file_once_only (cpp_reader *, struct _cpp_file *);
extern void _cpp_fake_include (cpp_reader *, const char *);
extern void _cpp_pop_file_buffer (cpp_reader *, struct _cpp_file *);
extern bool _cpp_save_file_entries (cpp_reader *pfile, FILE *f);
extern bool _cpp_read_file_entries (cpp_reader *, FILE *);
+extern struct stat *_cpp_get_file_stat (_cpp_file *);
-/* In cppexp.c */
+/* In expr.c */
extern bool _cpp_parse_expr (cpp_reader *);
extern struct op *_cpp_expand_op_stack (cpp_reader *);
-/* In cpplex.c */
+/* In lex.c */
extern void _cpp_process_line_notes (cpp_reader *, int);
extern void _cpp_clean_line (cpp_reader *);
extern bool _cpp_get_fresh_line (cpp_reader *);
extern int _cpp_equiv_tokens (const cpp_token *, const cpp_token *);
extern void _cpp_init_tokenrun (tokenrun *, unsigned int);
-/* In cppinit.c. */
+/* In init.c. */
extern void _cpp_maybe_push_include_file (cpp_reader *);
-/* In cpplib.c */
+/* In directives.c */
extern int _cpp_test_assertion (cpp_reader *, unsigned int *);
extern int _cpp_handle_directive (cpp_reader *, int);
extern void _cpp_define_builtin (cpp_reader *, const char *);
unsigned int, unsigned int);
extern void _cpp_pop_buffer (cpp_reader *);
-/* In cpptrad.c. */
+/* In traditional.c. */
extern bool _cpp_scan_out_logical_line (cpp_reader *, cpp_macro *);
extern bool _cpp_read_logical_line_trad (cpp_reader *);
extern void _cpp_overlay_buffer (cpp_reader *pfile, const unsigned char *,
unsigned char *);
extern size_t _cpp_replacement_text_len (const cpp_macro *);
-/* In cppcharset.c. */
+/* In charset.c. */
+
+/* The normalization state at this point in the sequence.
+ It starts initialized to all zeros, and at the end
+ 'level' is the normalization level of the sequence. */
+
+struct normalize_state
+{
+ /* The previous character. */
+ cppchar_t previous;
+ /* The combining class of the previous character. */
+ unsigned char prev_class;
+ /* The lowest normalization level so far. */
+ enum cpp_normalize_level level;
+};
+#define INITIAL_NORMALIZE_STATE { 0, 0, normalized_KC }
+#define NORMALIZE_STATE_RESULT(st) ((st)->level)
+
+/* We saw a character that matches ISIDNUM(), update a
+ normalize_state appropriately. */
+#define NORMALIZE_STATE_UPDATE_IDNUM(st) \
+ ((st)->previous = 0, (st)->prev_class = 0)
+
extern cppchar_t _cpp_valid_ucn (cpp_reader *, const unsigned char **,
- const unsigned char *, int);
+ const unsigned char *, int,
+ struct normalize_state *state);
extern void _cpp_destroy_iconv (cpp_reader *);
extern unsigned char *_cpp_convert_input (cpp_reader *, const char *,
unsigned char *, size_t, size_t,
off_t *);
extern const char *_cpp_default_encoding (void);
+extern cpp_hashnode * _cpp_interpret_identifier (cpp_reader *pfile,
+ const unsigned char *id,
+ size_t len);
/* Utility routines and macros. */
#define DSC(str) (const unsigned char *)str, sizeof str - 1
static inline unsigned char *ustrchr (const unsigned char *, int);
static inline int ufputs (const unsigned char *, FILE *);
+/* Use a const char for the second parameter since it is usually a literal. */
+static inline int ustrcspn (const unsigned char *, const char *);
+
static inline int
ustrcmp (const unsigned char *s1, const unsigned char *s2)
{
return strncmp ((const char *)s1, (const char *)s2, n);
}
+static inline int
+ustrcspn (const unsigned char *s1, const char *s2)
+{
+ return strcspn ((const char *)s1, s2);
+}
+
static inline size_t
ustrlen (const unsigned char *s1)
{