/* Part of CPP library.
- Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
- Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007,
+ 2008, 2009 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
-Free Software Foundation; either version 2, or (at your option) any
+Free Software Foundation; either version 3, or (at your option) any
later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+along with this program; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
/* This header defines all the internal data structures and functions
that need to be visible across files. It should not be used outside
#include "symtab.h"
#include "cpp-id-data.h"
-#ifndef HAVE_ICONV_H
-#undef HAVE_ICONV
-#endif
-
#if HAVE_ICONV
#include <iconv.h>
#else
typedef int iconv_t; /* dummy */
#endif
+#ifdef __cplusplus
+extern "C" {
+#endif
+
struct directive; /* Deliberately incomplete. */
struct pending_option;
struct op;
{
convert_f func;
iconv_t cd;
+ int width;
};
#define BITS_PER_CPPCHAR_T (CHAR_BIT * sizeof (cppchar_t))
#define CPP_INCREMENT_LINE(PFILE, COLS_HINT) do { \
const struct line_maps *line_table = PFILE->line_table; \
const struct line_map *map = &line_table->maps[line_table->used-1]; \
- unsigned int line = SOURCE_LINE (map, line_table->highest_line); \
+ linenum_type line = SOURCE_LINE (map, line_table->highest_line); \
linemap_line_start (PFILE->line_table, line + 1, COLS_HINT); \
} while (0)
/* 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. */
/* Type of note. The 9 'from' trigraph characters represent those
trigraphs, '\\' an escaped newline, ' ' an escaped newline with
- intervening space, and anything else is invalid. */
+ intervening space, 0 represents a note that has already been handled,
+ and anything else is invalid. */
unsigned int type;
};
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 cset_converter input_cset_desc;
};
+/* The list of saved macros by push_macro pragma. */
+struct def_pragma_macro {
+ /* Chain element to previous saved macro. */
+ struct def_pragma_macro *next;
+ /* Name of the macro. */
+ char *name;
+ /* The stored macro content. */
+ cpp_macro *value;
+};
+
/* A cpp_reader encapsulates the "state" of a pre-processor run.
Applying cpp_get_token repeatedly yields a stream of pre-processor
tokens. Usually, there is only one cpp_reader object active. */
/* Token generated while handling a directive, if any. */
cpp_token directive_result;
+ /* When expanding a macro at top-level, this is the location of the
+ macro invocation. */
+ source_location invocation_location;
+
+ /* True if this call to cpp_get_token should consider setting
+ invocation_location. */
+ bool set_invocation_location;
+
/* Search paths for include files. */
struct cpp_dir *quote_include; /* "" */
struct cpp_dir *bracket_include; /* <> */
/* File and directory hash table. */
struct htab *file_hash;
struct htab *dir_hash;
- struct file_hash_entry *file_hash_entries;
- unsigned int file_hash_entries_allocated, file_hash_entries_used;
+ struct file_hash_entry_pool *file_hash_entries;
+
+ /* Negative path lookup hash table. */
+ struct htab *nonexistent_file_hash;
+ struct obstack nonexistent_file_ob;
/* Nonzero means don't look for #include "foo" the source-file
directory. */
/* Nonzero prevents the lexer from re-using the token runs. */
unsigned int keep_tokens;
- /* Error counter for exit code. */
- unsigned int errors;
-
/* Buffer to hold macro definition string. */
unsigned char *macro_buffer;
unsigned int macro_buffer_len;
struct cset_converter narrow_cset_desc;
/* Descriptor for converting from the source character set to the
+ UTF-8 execution character set. */
+ struct cset_converter utf8_cset_desc;
+
+ /* Descriptor for converting from the source character set to the
+ UTF-16 execution character set. */
+ struct cset_converter char16_cset_desc;
+
+ /* Descriptor for converting from the source character set to the
+ UTF-32 execution character set. */
+ struct cset_converter char32_cset_desc;
+
+ /* Descriptor for converting from the source character set to the
wide execution character set. */
struct cset_converter wide_cset_desc;
/* A saved list of the defined macros, for dependency checking
of precompiled headers. */
struct cpp_savedstate *savedstate;
+
+ /* Next value of __COUNTER__ macro. */
+ unsigned int counter;
+
+ /* Table of comments, when state.save_comments is true. */
+ cpp_comment_table comments;
+
+ /* List of saved macros by push_macro. */
+ struct def_pragma_macro *pushed_macros;
};
/* Character classes. Based on the more primitive macros in safe-ctype.h.
#define CPP_PEDANTIC(PF) CPP_OPTION (PF, pedantic)
#define CPP_WTRADITIONAL(PF) CPP_OPTION (PF, warn_traditional)
-/* In errors.c */
-extern int _cpp_begin_message (cpp_reader *, int,
- source_location, unsigned int);
+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 macro.c */
extern void _cpp_free_definition (cpp_hashnode *);
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 *);
+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);
+extern void _cpp_backup_tokens_direct (cpp_reader *, unsigned int);
+
/* In identifiers.c */
extern void _cpp_init_hashtable (cpp_reader *, hash_table *);
extern void _cpp_destroy_hashtable (cpp_reader *);
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 expr.c */
-extern bool _cpp_parse_expr (cpp_reader *);
+extern bool _cpp_parse_expr (cpp_reader *, bool);
extern struct op *_cpp_expand_op_stack (cpp_reader *);
/* In lex.c */
extern cpp_token *_cpp_lex_direct (cpp_reader *);
extern int _cpp_equiv_tokens (const cpp_token *, const cpp_token *);
extern void _cpp_init_tokenrun (tokenrun *, unsigned int);
+extern cpp_hashnode *_cpp_lex_identifier (cpp_reader *, const char *);
/* In init.c. */
extern void _cpp_maybe_push_include_file (cpp_reader *);
+extern const char *cpp_named_operator2name (enum cpp_ttype type);
/* In directives.c */
extern int _cpp_test_assertion (cpp_reader *, unsigned int *);
extern void _cpp_define_builtin (cpp_reader *, const char *);
extern char ** _cpp_save_pragma_names (cpp_reader *);
extern void _cpp_restore_pragma_names (cpp_reader *, char **);
-extern void _cpp_do__Pragma (cpp_reader *);
+extern int _cpp_do__Pragma (cpp_reader *);
extern void _cpp_init_directives (cpp_reader *);
extern void _cpp_init_internal_pragmas (cpp_reader *);
extern void _cpp_do_file_change (cpp_reader *, enum lc_reason, const char *,
- unsigned int, unsigned int);
+ linenum_type, unsigned int);
extern void _cpp_pop_buffer (cpp_reader *);
+/* In directives.c */
+struct _cpp_dir_only_callbacks
+{
+ /* Called to print a block of lines. */
+ void (*print_lines) (int, const void *, size_t);
+ void (*maybe_print_line) (source_location);
+};
+
+extern void _cpp_preprocess_dir_only (cpp_reader *,
+ const struct _cpp_dir_only_callbacks *);
+
/* 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_destroy_iconv (cpp_reader *);
extern unsigned char *_cpp_convert_input (cpp_reader *, const char *,
unsigned char *, size_t, size_t,
- off_t *);
+ const unsigned char **, off_t *);
extern const char *_cpp_default_encoding (void);
extern cpp_hashnode * _cpp_interpret_identifier (cpp_reader *pfile,
const unsigned char *id,
return fputs ((const char *)s, f);
}
+#ifdef __cplusplus
+}
+#endif
+
#endif /* ! LIBCPP_INTERNAL_H */
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