Delete old versions of GCC.

Change-Id: I710f125d905290e1024cbd67f48299861790c66c

1 files changed, 0 insertions, 867 deletions

diff --git a/gcc-4.7/libcpp/internal.h b/gcc-4.7/libcpp/internal.h
deleted file mode 100644
index 5b3731bba..000000000
--- a/gcc-4.7/libcpp/internal.h
+++ /dev/null
@@ -1,867 +0,0 @@
-/* Part of CPP library.
-   Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007,
-   2008, 2009, 2010, 2011, 2012 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 3, or (at your option) any
-later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-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
-   cpplib.  */
-
-#ifndef LIBCPP_INTERNAL_H
-#define LIBCPP_INTERNAL_H
-
-#include "symtab.h"
-#include "cpp-id-data.h"
-
-#if HAVE_ICONV
-#include <iconv.h>
-#else
-#define HAVE_ICONV 0
-typedef int iconv_t;  /* dummy */
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-struct directive;		/* Deliberately incomplete.  */
-struct pending_option;
-struct op;
-struct _cpp_strbuf;
-
-typedef bool (*convert_f) (iconv_t, const unsigned char *, size_t,
-			   struct _cpp_strbuf *);
-struct cset_converter
-{
-  convert_f func;
-  iconv_t cd;
-  int width;
-};
-
-#define BITS_PER_CPPCHAR_T (CHAR_BIT * sizeof (cppchar_t))
-
-/* Test if a sign is valid within a preprocessing number.  */
-#define VALID_SIGN(c, prevc) \
-  (((c) == '+' || (c) == '-') && \
-   ((prevc) == 'e' || (prevc) == 'E' \
-    || (((prevc) == 'p' || (prevc) == 'P') \
-        && CPP_OPTION (pfile, extended_numbers))))
-
-#define CPP_OPTION(PFILE, OPTION) ((PFILE)->opts.OPTION)
-#define CPP_BUFFER(PFILE) ((PFILE)->buffer)
-#define CPP_BUF_COLUMN(BUF, CUR) ((CUR) - (BUF)->line_base)
-#define CPP_BUF_COL(BUF) CPP_BUF_COLUMN(BUF, (BUF)->cur)
-
-#define CPP_INCREMENT_LINE(PFILE, COLS_HINT) do { \
-    const struct line_maps *line_table = PFILE->line_table; \
-    const struct line_map *map = \
-      LINEMAPS_LAST_ORDINARY_MAP (line_table); \
-    linenum_type line = SOURCE_LINE (map, line_table->highest_line); \
-    linemap_line_start (PFILE->line_table, line + 1, COLS_HINT); \
-  } while (0)
-
-/* Maximum nesting of cpp_buffers.  We use a static limit, partly for
-   efficiency, and partly to limit runaway recursion.  */
-#define CPP_STACK_MAX 200
-
-/* Host alignment handling.  */
-struct dummy
-{
-  char c;
-  union
-  {
-    double d;
-    int *p;
-  } u;
-};
-
-#define DEFAULT_ALIGNMENT offsetof (struct dummy, u)
-#define CPP_ALIGN2(size, align) (((size) + ((align) - 1)) & ~((align) - 1))
-#define CPP_ALIGN(size) CPP_ALIGN2 (size, DEFAULT_ALIGNMENT)
-
-#define _cpp_mark_macro_used(NODE) do {					\
-  if ((NODE)->type == NT_MACRO && !((NODE)->flags & NODE_BUILTIN))	\
-    (NODE)->value.macro->used = 1; } while (0)
-
-/* A generic memory buffer, and operations on it.  */
-typedef struct _cpp_buff _cpp_buff;
-struct _cpp_buff
-{
-  struct _cpp_buff *next;
-  unsigned char *base, *cur, *limit;
-};
-
-extern _cpp_buff *_cpp_get_buff (cpp_reader *, size_t);
-extern void _cpp_release_buff (cpp_reader *, _cpp_buff *);
-extern void _cpp_extend_buff (cpp_reader *, _cpp_buff **, size_t);
-extern _cpp_buff *_cpp_append_extend_buff (cpp_reader *, _cpp_buff *, size_t);
-extern void _cpp_free_buff (_cpp_buff *);
-extern unsigned char *_cpp_aligned_alloc (cpp_reader *, size_t);
-extern unsigned char *_cpp_unaligned_alloc (cpp_reader *, size_t);
-
-#define BUFF_ROOM(BUFF) (size_t) ((BUFF)->limit - (BUFF)->cur)
-#define BUFF_FRONT(BUFF) ((BUFF)->cur)
-#define BUFF_LIMIT(BUFF) ((BUFF)->limit)
-
-/* #include types.  */
-enum include_type {IT_INCLUDE, IT_INCLUDE_NEXT, IT_IMPORT, IT_CMDLINE};
-
-union utoken
-{
-  const cpp_token *token;
-  const cpp_token **ptoken;
-};
-
-/* A "run" of tokens; part of a chain of runs.  */
-typedef struct tokenrun tokenrun;
-struct tokenrun
-{
-  tokenrun *next, *prev;
-  cpp_token *base, *limit;
-};
-
-/* Accessor macros for struct cpp_context.  */
-#define FIRST(c) ((c)->u.iso.first)
-#define LAST(c) ((c)->u.iso.last)
-#define CUR(c) ((c)->u.trad.cur)
-#define RLIMIT(c) ((c)->u.trad.rlimit)
-
-/* This describes some additional data that is added to the macro
-   token context of type cpp_context, when -ftrack-macro-expansion is
-   on.  */
-typedef struct
-{
-  /* The node of the macro we are referring to.  */
-  cpp_hashnode *macro_node;
-  /* This buffer contains an array of virtual locations.  The virtual
-     location at index 0 is the virtual location of the token at index
-     0 in the current instance of cpp_context; similarly for all the
-     other virtual locations.  */
-  source_location *virt_locs;
-  /* This is a pointer to the current virtual location.  This is used
-     to iterate over the virtual locations while we iterate over the
-     tokens they belong to.  */
-  source_location *cur_virt_loc;
-} macro_context;
-
-/* The kind of tokens carried by a cpp_context.  */
-enum context_tokens_kind {
-  /* This is the value of cpp_context::tokens_kind if u.iso.first
-     contains an instance of cpp_token **.  */
-  TOKENS_KIND_INDIRECT,
-  /* This is the value of cpp_context::tokens_kind if u.iso.first
-     contains an instance of cpp_token *.  */
-  TOKENS_KIND_DIRECT,
-  /* This is the value of cpp_context::tokens_kind when the token
-     context contains tokens resulting from macro expansion.  In that
-     case struct cpp_context::macro points to an instance of struct
-     macro_context.  This is used only when the
-     -ftrack-macro-expansion flag is on.  */
-  TOKENS_KIND_EXTENDED
-};
-
-typedef struct cpp_context cpp_context;
-struct cpp_context
-{
-  /* Doubly-linked list.  */
-  cpp_context *next, *prev;
-
-  union
-  {
-    /* For ISO macro expansion.  Contexts other than the base context
-       are contiguous tokens.  e.g. macro expansions, expanded
-       argument tokens.  */
-    struct
-    {
-      union utoken first;
-      union utoken last;
-    } iso;
-
-    /* For traditional macro expansion.  */
-    struct
-    {
-      const unsigned char *cur;
-      const unsigned char *rlimit;
-    } trad;
-  } u;
-
-  /* If non-NULL, a buffer used for storage related to this context.
-     When the context is popped, the buffer is released.  */
-  _cpp_buff *buff;
-
-  /* If tokens_kind is TOKEN_KIND_EXTENDED, then (as we thus are in a
-     macro context) this is a pointer to an instance of macro_context.
-     Otherwise if tokens_kind is *not* TOKEN_KIND_EXTENDED, then, if
-     we are in a macro context, this is a pointer to an instance of
-     cpp_hashnode, representing the name of the macro this context is
-     for.  If we are not in a macro context, then this is just NULL.
-     Note that when tokens_kind is TOKEN_KIND_EXTENDED, the memory
-     used by the instance of macro_context pointed to by this member
-     is de-allocated upon de-allocation of the instance of struct
-     cpp_context.  */
-  union
-  {
-    macro_context *mc;
-    cpp_hashnode *macro;
-  } c;
-
-  /* This determines the type of tokens held by this context.  */
-  enum context_tokens_kind tokens_kind;
-};
-
-struct lexer_state
-{
-  /* Nonzero if first token on line is CPP_HASH.  */
-  unsigned char in_directive;
-
-  /* Nonzero if in a directive that will handle padding tokens itself.
-     #include needs this to avoid problems with computed include and
-     spacing between tokens.  */
-  unsigned char directive_wants_padding;
-
-  /* True if we are skipping a failed conditional group.  */
-  unsigned char skipping;
-
-  /* Nonzero if in a directive that takes angle-bracketed headers.  */
-  unsigned char angled_headers;
-
-  /* Nonzero if in a #if or #elif directive.  */
-  unsigned char in_expression;
-
-  /* Nonzero to save comments.  Turned off if discard_comments, and in
-     all directives apart from #define.  */
-  unsigned char save_comments;
-
-  /* Nonzero if lexing __VA_ARGS__ is valid.  */
-  unsigned char va_args_ok;
-
-  /* Nonzero if lexing poisoned identifiers is valid.  */
-  unsigned char poisoned_ok;
-
-  /* Nonzero to prevent macro expansion.  */
-  unsigned char prevent_expansion;
-
-  /* Nonzero when parsing arguments to a function-like macro.  */
-  unsigned char parsing_args;
-
-  /* Nonzero if prevent_expansion is true only because output is
-     being discarded.  */
-  unsigned char discarding_output;
-
-  /* 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.  */
-struct spec_nodes
-{
-  cpp_hashnode *n_defined;		/* defined operator */
-  cpp_hashnode *n_true;			/* C++ keyword true */
-  cpp_hashnode *n_false;		/* C++ keyword false */
-  cpp_hashnode *n__VA_ARGS__;		/* C99 vararg macros */
-};
-
-typedef struct _cpp_line_note _cpp_line_note;
-struct _cpp_line_note
-{
-  /* Location in the clean line the note refers to.  */
-  const unsigned char *pos;
-
-  /* Type of note.  The 9 'from' trigraph characters represent those
-     trigraphs, '\\' an escaped newline, ' ' an escaped newline with
-     intervening space, 0 represents a note that has already been handled,
-     and anything else is invalid.  */
-  unsigned int type;
-};
-
-/* Represents the contents of a file cpplib has read in.  */
-struct cpp_buffer
-{
-  const unsigned char *cur;        /* Current location.  */
-  const unsigned char *line_base;  /* Start of current physical line.  */
-  const unsigned char *next_line;  /* Start of to-be-cleaned logical line.  */
-
-  const unsigned char *buf;        /* Entire character buffer.  */
-  const unsigned char *rlimit;     /* Writable byte at end of file.  */
-
-  _cpp_line_note *notes;           /* Array of notes.  */
-  unsigned int cur_note;           /* Next note to process.  */
-  unsigned int notes_used;         /* Number of notes.  */
-  unsigned int notes_cap;          /* Size of allocated array.  */
-
-  struct cpp_buffer *prev;
-
-  /* Pointer into the file table; non-NULL if this is a file buffer.
-     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;
-
-  /* True if we need to get the next clean line.  */
-  bool need_line;
-
-  /* True if we have already warned about C++ comments in this file.
-     The warning happens only for C89 extended mode with -pedantic on,
-     or for -Wtraditional, and only once per file (otherwise it would
-     be far too noisy).  */
-  unsigned int warned_cplusplus_comments : 1;
-
-  /* True if we don't process trigraphs and escaped newlines.  True
-     for preprocessed input, command line directives, and _Pragma
-     buffers.  */
-  unsigned int from_stage3 : 1;
-
-  /* At EOF, a buffer is automatically popped.  If RETURN_AT_EOF is
-     true, a CPP_EOF token is then returned.  Otherwise, the next
-     token from the enclosing buffer is returned.  */
-  unsigned int return_at_eof : 1;
-
-  /* One for a system header, two for a C system header file that therefore
-     needs to be extern "C" protected in C++, and zero otherwise.  */
-  unsigned char sysp;
-
-  /* The directory of the this buffer's file.  Its NAME member is not
-     allocated, so we don't need to worry about freeing it.  */
-  struct cpp_dir dir;
-
-  /* Descriptor for converting from the input character set to the
-     source character set.  */
-  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.  */
-  unsigned char *definition;
-
-  /* Definition line number.  */
-  source_location line;
-  /* If macro defined in system header.  */
-  unsigned int syshdr   : 1;
-  /* Nonzero if it has been expanded or had its existence tested.  */
-  unsigned int used     : 1;
-
-  /* Mark if we save an undefined macro.  */
-  unsigned int is_undef : 1;
-};
-
-/* 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.  */
-struct cpp_reader
-{
-  /* Top of buffer stack.  */
-  cpp_buffer *buffer;
-
-  /* Overlaid buffer (can be different after processing #include).  */
-  cpp_buffer *overlaid_buffer;
-
-  /* Lexer state.  */
-  struct lexer_state state;
-
-  /* Source line tracking.  */
-  struct line_maps *line_table;
-
-  /* The line of the '#' of the current directive.  */
-  source_location directive_line;
-
-  /* Memory buffers.  */
-  _cpp_buff *a_buff;		/* Aligned permanent storage.  */
-  _cpp_buff *u_buff;		/* Unaligned permanent storage.  */
-  _cpp_buff *free_buffs;	/* Free buffer chain.  */
-
-  /* Context stack.  */
-  struct cpp_context base_context;
-  struct cpp_context *context;
-
-  /* If in_directive, the directive if known.  */
-  const struct directive *directive;
-
-  /* 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;	/* <> */
-  struct cpp_dir no_search_path;	/* No path.  */
-
-  /* Chain of all hashed _cpp_file instances.  */
-  struct _cpp_file *all_files;
-
-  struct _cpp_file *main_file;
-
-  /* File and directory hash table.  */
-  struct htab *file_hash;
-  struct htab *dir_hash;
-  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.  */
-  bool quote_ignores_source_dir;
-
-  /* Nonzero if any file has contained #pragma once or #import has
-     been used.  */
-  bool seen_once_only;
-
-  /* Multiple include optimization.  */
-  const cpp_hashnode *mi_cmacro;
-  const cpp_hashnode *mi_ind_cmacro;
-  bool mi_valid;
-
-  /* Lexing.  */
-  cpp_token *cur_token;
-  tokenrun base_run, *cur_run;
-  unsigned int lookaheads;
-
-  /* Nonzero prevents the lexer from re-using the token runs.  */
-  unsigned int keep_tokens;
-
-  /* Buffer to hold macro definition string.  */
-  unsigned char *macro_buffer;
-  unsigned int macro_buffer_len;
-
-  /* Descriptor for converting from the source character set to the
-     execution character set.  */
-  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;
-
-  /* Date and time text.  Calculated together if either is requested.  */
-  const unsigned char *date;
-  const unsigned char *time;
-
-  /* EOF token, and a token forcing paste avoidance.  */
-  cpp_token avoid_paste;
-  cpp_token eof;
-
-  /* Opaque handle to the dependencies of mkdeps.c.  */
-  struct deps *deps;
-
-  /* Obstack holding all macro hash nodes.  This never shrinks.
-     See identifiers.c */
-  struct obstack hash_ob;
-
-  /* Obstack holding buffer and conditional structures.  This is a
-     real stack.  See directives.c.  */
-  struct obstack buffer_ob;
-
-  /* Pragma table - dynamic, because a library user can add to the
-     list of recognized pragmas.  */
-  struct pragma_entry *pragmas;
-
-  /* Call backs to cpplib client.  */
-  struct cpp_callbacks cb;
-
-  /* Identifier hash table.  */
-  struct ht *hash_table;
-
-  /* Expression parser stack.  */
-  struct op *op_stack, *op_limit;
-
-  /* User visible options.  */
-  struct cpp_options opts;
-
-  /* Special nodes - identifiers with predefined significance to the
-     preprocessor.  */
-  struct spec_nodes spec_nodes;
-
-  /* Whether cpplib owns the hashtable.  */
-  bool our_hashtable;
-
-  /* Traditional preprocessing output buffer (a logical line).  */
-  struct
-  {
-    unsigned char *base;
-    unsigned char *limit;
-    unsigned char *cur;
-    source_location first_line;
-  } out;
-
-  /* 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
-     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;
-
-  /* If non-null, the lexer will use this location for the next token
-     instead of getting a location from the linemap.  */
-  source_location *forced_token_location_p;
-};
-
-/* Character classes.  Based on the more primitive macros in safe-ctype.h.
-   If the definition of `numchar' looks odd to you, please look up the
-   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 lex.c must be
-   updated.  */
-#define _dollar_ok(x)	((x) == '$' && CPP_OPTION (pfile, dollars_in_ident))
-
-#define is_idchar(x)	(ISIDNUM(x) || _dollar_ok(x))
-#define is_numchar(x)	ISIDNUM(x)
-#define is_idstart(x)	(ISIDST(x) || _dollar_ok(x))
-#define is_numstart(x)	ISDIGIT(x)
-#define is_hspace(x)	ISBLANK(x)
-#define is_vspace(x)	IS_VSPACE(x)
-#define is_nvspace(x)	IS_NVSPACE(x)
-#define is_space(x)	IS_SPACE_OR_NUL(x)
-
-/* This table is constant if it can be initialized at compile time,
-   which is the case if cpp was compiled with GCC >=2.7, or another
-   compiler that supports C99.  */
-#if HAVE_DESIGNATED_INITIALIZERS
-extern const unsigned char _cpp_trigraph_map[UCHAR_MAX + 1];
-#else
-extern unsigned char _cpp_trigraph_map[UCHAR_MAX + 1];
-#endif
-
-/* Macros.  */
-
-static inline int cpp_in_system_header (cpp_reader *);
-static inline int
-cpp_in_system_header (cpp_reader *pfile)
-{
-  return pfile->buffer ? pfile->buffer->sysp : 0;
-}
-#define CPP_PEDANTIC(PF) CPP_OPTION (PF, cpp_pedantic)
-#define CPP_WTRADITIONAL(PF) CPP_OPTION (PF, cpp_warn_traditional)
-
-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 *);
-extern bool _cpp_create_definition (cpp_reader *, cpp_hashnode *);
-extern void _cpp_pop_context (cpp_reader *);
-extern void _cpp_push_text_context (cpp_reader *, cpp_hashnode *,
-				    const unsigned char *, size_t);
-extern bool _cpp_save_parameter (cpp_reader *, cpp_macro *, cpp_hashnode *);
-extern bool _cpp_arguments_ok (cpp_reader *, cpp_macro *, const cpp_hashnode *,
-			       unsigned int);
-extern const unsigned char *_cpp_builtin_macro_text (cpp_reader *,
-						     cpp_hashnode *);
-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 *);
-
-/* In files.c */
-typedef struct _cpp_file _cpp_file;
-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 bool _cpp_stack_file (cpp_reader *, _cpp_file*, bool);
-extern bool _cpp_stack_include (cpp_reader *, const char *, int,
-				enum include_type);
-extern int _cpp_compare_file_date (cpp_reader *, const char *, int);
-extern void _cpp_report_missing_guards (cpp_reader *);
-extern void _cpp_init_files (cpp_reader *);
-extern void _cpp_cleanup_files (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 const char *_cpp_get_file_name (_cpp_file *);
-extern struct stat *_cpp_get_file_stat (_cpp_file *);
-
-/* In expr.c */
-extern bool _cpp_parse_expr (cpp_reader *, bool);
-extern struct op *_cpp_expand_op_stack (cpp_reader *);
-
-/* 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 bool _cpp_skip_block_comment (cpp_reader *);
-extern cpp_token *_cpp_temp_token (cpp_reader *);
-extern const cpp_token *_cpp_lex_token (cpp_reader *);
-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 *);
-extern int _cpp_remaining_tokens_num_in_context (cpp_context *);
-extern void _cpp_init_lexer (void);
-
-/* 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 int _cpp_handle_directive (cpp_reader *, 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 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 *,
-				 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_overlay_buffer (cpp_reader *pfile, const unsigned char *,
-				 size_t);
-extern void _cpp_remove_overlay (cpp_reader *);
-extern bool _cpp_create_trad_definition (cpp_reader *, cpp_macro *);
-extern bool _cpp_expansions_different_trad (const cpp_macro *,
-					    const cpp_macro *);
-extern unsigned char *_cpp_copy_replacement_text (const cpp_macro *,
-						  unsigned char *);
-extern size_t _cpp_replacement_text_len (const cpp_macro *);
-
-/* 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,
-				 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,
-					  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,
-						 size_t len);
-
-/* Utility routines and macros.  */
-#define DSC(str) (const unsigned char *)str, sizeof str - 1
-
-/* These are inline functions instead of macros so we can get type
-   checking.  */
-static inline int ustrcmp (const unsigned char *, const unsigned char *);
-static inline int ustrncmp (const unsigned char *, const unsigned char *,
-			    size_t);
-static inline size_t ustrlen (const unsigned char *);
-static inline const unsigned char *uxstrdup (const unsigned char *);
-static inline const 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 strcmp ((const char *)s1, (const char *)s2);
-}
-
-static inline int
-ustrncmp (const unsigned char *s1, const unsigned char *s2, size_t n)
-{
-  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)
-{
-  return strlen ((const char *)s1);
-}
-
-static inline const unsigned char *
-uxstrdup (const unsigned char *s1)
-{
-  return (const unsigned char *) xstrdup ((const char *)s1);
-}
-
-static inline const unsigned char *
-ustrchr (const unsigned char *s1, int c)
-{
-  return (const unsigned char *) strchr ((const char *)s1, c);
-}
-
-static inline int
-ufputs (const unsigned char *s, FILE *f)
-{
-  return fputs ((const char *)s, f);
-}
-
-  /* In line-map.c.  */
-
-/* Create a macro map.  A macro map encodes source locations of tokens
-   that are part of a macro replacement-list, at a macro expansion
-   point. See the extensive comments of struct line_map and struct
-   line_map_macro, in line-map.h.
-
-   This map shall be created when the macro is expanded. The map
-   encodes the source location of the expansion point of the macro as
-   well as the "original" source location of each token that is part
-   of the macro replacement-list. If a macro is defined but never
-   expanded, it has no macro map.  SET is the set of maps the macro
-   map should be part of.  MACRO_NODE is the macro which the new macro
-   map should encode source locations for.  EXPANSION is the location
-   of the expansion point of MACRO. For function-like macros
-   invocations, it's best to make it point to the closing parenthesis
-   of the macro, rather than the the location of the first character
-   of the macro.  NUM_TOKENS is the number of tokens that are part of
-   the replacement-list of MACRO.  */
-const struct line_map *linemap_enter_macro (struct line_maps *,
-					    struct cpp_hashnode*,
-					    source_location,
-					    unsigned int);
-
-/* Create and return a virtual location for a token that is part of a
-   macro expansion-list at a macro expansion point.  See the comment
-   inside struct line_map_macro to see what an expansion-list exactly
-   is.
-
-   A call to this function must come after a call to
-   linemap_enter_macro.
-
-   MAP is the map into which the source location is created.  TOKEN_NO
-   is the index of the token in the macro replacement-list, starting
-   at number 0.
-
-   ORIG_LOC is the location of the token outside of this macro
-   expansion.  If the token comes originally from the macro
-   definition, it is the locus in the macro definition; otherwise it
-   is a location in the context of the caller of this macro expansion
-   (which is a virtual location or a source location if the caller is
-   itself a macro expansion or not).
-
-   MACRO_DEFINITION_LOC is the location in the macro definition,
-   either of the token itself or of a macro parameter that it
-   replaces.  */
-source_location linemap_add_macro_token (const struct line_map *,
-					 unsigned int,
-					 source_location,
-					 source_location);
-
-/* Return the source line number corresponding to source location
-   LOCATION.  SET is the line map set LOCATION comes from.  If
-   LOCATION is the location of token that is part of the
-   expansion-list of a macro expansion return the line number of the
-   macro expansion point.  */
-int linemap_get_expansion_line (struct line_maps *,
-				source_location);
-
-/* Return the path of the file corresponding to source code location
-   LOCATION.
-
-   If LOCATION is the location of a token that is part of the
-   replacement-list of a macro expansion return the file path of the
-   macro expansion point.
-
-   SET is the line map set LOCATION comes from.  */
-const char* linemap_get_expansion_filename (struct line_maps *,
-					    source_location);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* ! LIBCPP_INTERNAL_H */