/* Part of CPP library.
- Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
+ 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
that need to be visible across files. It's called cpphash.h for
historical reasons. */
-#ifndef __GCC_CPPHASH__
-#define __GCC_CPPHASH__
+#ifndef GCC_CPPHASH_H
+#define GCC_CPPHASH_H
-typedef unsigned char U_CHAR;
-#define U (const U_CHAR *) /* Intended use: U"string" */
+#include "hashtable.h"
-/* Structure used for assertion predicates. */
-struct predicate
+struct directive; /* Deliberately incomplete. */
+struct pending_option;
+struct op;
+
+/* 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 + (BUF)->col_adjust)
+#define CPP_BUF_COL(BUF) CPP_BUF_COLUMN(BUF, (BUF)->cur)
+
+/* Maximum nesting of cpp_buffers. We use a static limit, partly for
+ efficiency, and partly to limit runaway recursion. */
+#define CPP_STACK_MAX 200
+
+/* A generic memory buffer, and operations on it. */
+typedef struct _cpp_buff _cpp_buff;
+struct _cpp_buff
{
- struct predicate *next;
- struct cpp_toklist answer;
+ struct _cpp_buff *next;
+ unsigned char *base, *cur, *limit;
};
-/* List of directories to look for include files in. */
-struct file_name_list
+extern _cpp_buff *_cpp_get_buff PARAMS ((cpp_reader *, size_t));
+extern void _cpp_release_buff PARAMS ((cpp_reader *, _cpp_buff *));
+extern void _cpp_extend_buff PARAMS ((cpp_reader *, _cpp_buff **, size_t));
+extern _cpp_buff *_cpp_append_extend_buff PARAMS ((cpp_reader *, _cpp_buff *,
+ size_t));
+extern void _cpp_free_buff PARAMS ((_cpp_buff *));
+extern unsigned char *_cpp_aligned_alloc PARAMS ((cpp_reader *, size_t));
+extern unsigned char *_cpp_unaligned_alloc PARAMS ((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)
+
+/* List of directories to look for include files in. */
+struct search_path
{
- struct file_name_list *next;
- struct file_name_list *alloc; /* for the cache of
- current directory entries */
- char *name;
- unsigned int nlen;
+ struct search_path *next;
+
+ /* NOTE: NAME may not be null terminated for the case of the current
+ file's directory! */
+ const char *name;
+ unsigned int len;
/* We use these to tell if the directory mentioned here is a duplicate
- of an earlier directory on the search path. */
+ of an earlier directory on the search path. */
ino_t ino;
dev_t dev;
- /* If the following is nonzero, it is a C-language system include
- directory. */
+ /* Non-zero if it is a system include directory. */
int sysp;
- /* Mapping of file names for this directory.
- Only used on MS-DOS and related platforms. */
+ /* Mapping of file names for this directory. Only used on MS-DOS
+ and related platforms. */
struct file_name_map *name_map;
};
-#define ABSOLUTE_PATH ((struct file_name_list *)-1)
-/* This structure is used for the table of all includes. It is
- indexed by the `short name' (the name as it appeared in the
- #include statement) which is stored in *nshort. */
-struct ihash
+/* #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;
+};
+
+typedef struct cpp_context cpp_context;
+struct cpp_context
+{
+ /* Doubly-linked list. */
+ cpp_context *next, *prev;
+
+ /* Contexts other than the base context are contiguous tokens.
+ e.g. macro expansions, expanded argument tokens. */
+ union utoken first;
+ union utoken last;
+
+ /* If non-NULL, a buffer used for storage related to this context.
+ When the context is popped, the buffer is released. */
+ _cpp_buff *buff;
+
+ /* For a macro context, the macro node, otherwise NULL. */
+ cpp_hashnode *macro;
+
+ /* True if utoken element is token, else ptoken. */
+ bool direct_p;
+};
+
+struct lexer_state
+{
+ /* Nonzero if first token on line is CPP_HASH. */
+ unsigned char in_directive;
+
+ /* 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 to save comments. Turned off if discard_comments, and in
+ all directives apart from #define. */
+ unsigned char save_comments;
+
+ /* Nonzero if we're mid-comment. */
+ unsigned char lexing_comment;
+
+ /* 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 to skip evaluating part of an expression. */
+ unsigned int skip_eval;
+};
+
+/* 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__STRICT_ANSI__; /* STDC_0_IN_SYSTEM_HEADERS */
+ cpp_hashnode *n__VA_ARGS__; /* C99 vararg macros */
+};
+
+/* Represents the contents of a file cpplib has read in. */
+struct cpp_buffer
{
- /* Next file with the same short name but a
- different (partial) pathname). */
- struct ihash *next_this_file;
-
- /* Location of the file in the include search path.
- Used for include_next and to detect redundant includes. */
- struct file_name_list *foundhere;
-
- unsigned int hash; /* save hash value for future reference */
- const char *nshort; /* name of file as referenced in #include;
- points into name[] */
- const U_CHAR *control_macro; /* macro, if any, preventing reinclusion. */
- const char name[1]; /* (partial) pathname of file */
+ const unsigned char *cur; /* current position */
+ const unsigned char *backup_to; /* if peeked character is not wanted */
+ const unsigned char *rlimit; /* end of valid data */
+ const unsigned char *line_base; /* start of current line */
+
+ struct cpp_buffer *prev;
+
+ const unsigned char *buf; /* Entire character buffer. */
+
+ /* Pointer into the include table; non-NULL if this is a file
+ buffer. Used for include_next and to record control macros. */
+ struct include_file *inc;
+
+ /* Value of if_stack at start of this file.
+ Used to prohibit unmatched #endif (etc) in an include file. */
+ struct if_stack *if_stack;
+
+ /* Token column position adjustment owing to tabs in whitespace. */
+ unsigned int col_adjust;
+
+ /* Contains PREV_WHITE and/or AVOID_LPASTE. */
+ unsigned char saved_flags;
+
+ /* Because of the way the lexer works, -Wtrigraphs can sometimes
+ warn twice for the same trigraph. This helps prevent that. */
+ const unsigned char *last_Wtrigraphs;
+
+ /* 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 char warned_cplusplus_comments;
+
+ /* True if we don't process trigraphs and escaped newlines. True
+ for preprocessed input, command line directives, and _Pragma
+ buffers. */
+ unsigned char from_stage3;
+
+ /* Nonzero means that the directory to start searching for ""
+ include files has been calculated and stored in "dir" below. */
+ unsigned char search_cached;
+
+ /* 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. */
+ bool return_at_eof;
+
+ /* 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 search_path dir;
};
-typedef struct ihash IHASH;
-/* Character classes.
+/* 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;
+
+ /* Lexer state. */
+ struct lexer_state state;
+
+ /* Source line tracking. */
+ struct line_maps line_maps;
+ const struct line_map *map;
+ unsigned int line;
+
+ /* The line of the '#' of the current directive. */
+ unsigned int 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;
+
+ /* The next -include-d file; NULL if they all are done. If it
+ points to NULL, the last one is in progress, and
+ _cpp_maybe_push_include_file has yet to restore the line map. */
+ struct pending_option **next_include_file;
+
+ /* Multiple inlcude optimisation. */
+ 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;
+
+ /* Non-zero 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;
+
+ /* Tree of other included files. See cppfiles.c. */
+ struct splay_tree_s *all_include_files;
+
+ /* Current maximum length of directory names in the search path
+ for include files. (Altered as we get more of them.) */
+ unsigned int max_include_len;
+
+ /* Date and time tokens. Calculated together if either is requested. */
+ cpp_token date;
+ cpp_token time;
+
+ /* EOF token, and a token forcing paste avoidance. */
+ cpp_token avoid_paste;
+ cpp_token eof;
+
+ /* Opaque handle to the dependencies of mkdeps.c. Used by -M etc. */
+ struct deps *deps;
+
+ /* Obstack holding all macro hash nodes. This never shrinks.
+ See cpphash.c */
+ struct obstack hash_ob;
+
+ /* Obstack holding buffer and conditional structures. This is a
+ real stack. See cpplib.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. */
+ 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 to print our version number. Done this way so
+ we don't get it twice for -v -version. */
+ unsigned char print_version;
+
+ /* Whether cpplib owns the hashtable. */
+ unsigned char our_hashtable;
+};
+
+/* 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] */
-#define ISidnum 0x01 /* a-zA-Z0-9_ */
-#define ISidstart 0x02 /* _a-zA-Z */
-#define ISnumstart 0x04 /* 0-9 */
-#define IShspace 0x08 /* ' ' \t \f \v */
-#define ISspace 0x10 /* ' ' \t \f \v \n */
+ 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
+ updated. */
#define _dollar_ok(x) ((x) == '$' && CPP_OPTION (pfile, dollars_in_ident))
-#define is_idchar(x) ((_cpp_IStable[x] & ISidnum) || _dollar_ok(x))
-#define is_idstart(x) ((_cpp_IStable[x] & ISidstart) || _dollar_ok(x))
-#define is_numchar(x) (_cpp_IStable[x] & ISidnum)
-#define is_numstart(x) (_cpp_IStable[x] & ISnumstart)
-#define is_hspace(x) (_cpp_IStable[x] & IShspace)
-#define is_space(x) (_cpp_IStable[x] & ISspace)
+#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 (GCC_VERSION >= 2007) || (__STDC_VERSION__ >= 199901L)
-extern const unsigned char _cpp_IStable[256];
+#if HAVE_DESIGNATED_INITIALIZERS
+extern const unsigned char _cpp_trigraph_map[UCHAR_MAX + 1];
#else
-extern unsigned char _cpp_IStable[256];
+extern unsigned char _cpp_trigraph_map[UCHAR_MAX + 1];
#endif
/* Macros. */
-/* One character lookahead in the input buffer. Note that if this
- returns EOF, it does *not* necessarily mean the file's end has been
- reached. */
-#define CPP_BUF_PEEK(BUFFER) \
- ((BUFFER)->cur < (BUFFER)->rlimit ? *(BUFFER)->cur : EOF)
-
-/* Make sure PFILE->token_buffer has space for at least N more characters. */
-#define CPP_RESERVE(PFILE, N) \
- (CPP_WRITTEN (PFILE) + (size_t)(N) > (PFILE)->token_buffer_size \
- && (_cpp_grow_token_buffer (PFILE, N), 0))
-
-/* Append string STR (of length N) to PFILE's output buffer.
- Assume there is enough space. */
-#define CPP_PUTS_Q(PFILE, STR, N) \
- (memcpy ((PFILE)->limit, STR, (N)), (PFILE)->limit += (N))
-/* Append string STR (of length N) to PFILE's output buffer. Make space. */
-#define CPP_PUTS(PFILE, STR, N) CPP_RESERVE(PFILE, N), CPP_PUTS_Q(PFILE, STR,N)
-/* Append character CH to PFILE's output buffer. Assume sufficient space. */
-#define CPP_PUTC_Q(PFILE, CH) (*(PFILE)->limit++ = (CH))
-/* Append character CH to PFILE's output buffer. Make space if need be. */
-#define CPP_PUTC(PFILE, CH) (CPP_RESERVE (PFILE, 1), CPP_PUTC_Q (PFILE, CH))
-
-/* Advance the current line by one. */
-#define CPP_BUMP_BUFFER_LINE(PBUF) ((PBUF)->lineno++,\
- (PBUF)->line_base = (PBUF)->cur)
-#define CPP_BUMP_LINE(PFILE) CPP_BUMP_BUFFER_LINE(CPP_BUFFER(PFILE))
-#define CPP_BUMP_BUFFER_LINE_CUR(PBUF, CUR) ((PBUF)->lineno++,\
- (PBUF)->line_base = CUR)
-#define CPP_BUMP_LINE_CUR(PFILE, CUR) \
- CPP_BUMP_BUFFER_LINE_CUR(CPP_BUFFER(PFILE), CUR)
-#define CPP_PREV_BUFFER(BUFFER) ((BUFFER)->prev)
-
-/* Are we in column 1 right now? Used mainly for -traditional handling
- of directives. */
-#define CPP_IN_COLUMN_1(PFILE) \
-(CPP_BUFFER (PFILE)->cur - CPP_BUFFER (PFILE)->line_base == 1)
-
#define CPP_PRINT_DEPS(PFILE) CPP_OPTION (PFILE, print_deps)
-#define CPP_TRADITIONAL(PFILE) CPP_OPTION (PFILE, traditional)
-#define CPP_PEDANTIC(PFILE) \
- (CPP_OPTION (PFILE, pedantic) && !CPP_BUFFER (PFILE)->system_header_p)
-#define CPP_WTRADITIONAL(PF) \
- (CPP_OPTION (PF, warn_traditional) && !CPP_BUFFER (PF)->system_header_p)
-
-/* CPP_IS_MACRO_BUFFER is true if the buffer contains macro expansion.
- (Note that it is false while we're expanding macro *arguments*.) */
-#define CPP_IS_MACRO_BUFFER(PBUF) ((PBUF)->macro != NULL)
-
-/* Remember the current position of PFILE so it may be returned to
- after looking ahead a bit.
-
- Note that when you set a mark, you _must_ return to that mark. You
- may not forget about it and continue parsing. You may not pop a
- buffer with an active mark. You may not call CPP_BUMP_LINE while a
- mark is active. */
-#define CPP_SET_BUF_MARK(IP) ((IP)->mark = (IP)->cur)
-#define CPP_GOTO_BUF_MARK(IP) ((IP)->cur = (IP)->mark, (IP)->mark = 0)
-#define CPP_SET_MARK(PFILE) CPP_SET_BUF_MARK(CPP_BUFFER(PFILE))
-#define CPP_GOTO_MARK(PFILE) CPP_GOTO_BUF_MARK(CPP_BUFFER(PFILE))
-
-/* ACTIVE_MARK_P is true if there's a live mark in the buffer. */
-#define ACTIVE_MARK_P(PFILE) (CPP_BUFFER (PFILE)->mark != 0)
-
-/* Are mark and point adjacent characters? Used mostly to deal with
- the somewhat annoying semantic of #define. */
-#define ADJACENT_TO_MARK(PFILE) \
- (CPP_BUFFER(PFILE)->cur - CPP_BUFFER(PFILE)->mark == 1)
-
-/* Flags for _cpp_init_toklist. */
-#define DUMMY_TOKEN 0
-#define NO_DUMMY_TOKEN 1
+#define CPP_IN_SYSTEM_HEADER(PFILE) ((PFILE)->map && (PFILE)->map->sysp)
+#define CPP_PEDANTIC(PF) CPP_OPTION (PF, pedantic)
+#define CPP_WTRADITIONAL(PF) CPP_OPTION (PF, warn_traditional)
-/* In cpphash.c */
-extern unsigned int _cpp_calc_hash PARAMS ((const U_CHAR *, size_t));
+/* In cpperror.c */
+extern int _cpp_begin_message PARAMS ((cpp_reader *, int,
+ unsigned int, unsigned int));
+
+/* In cppmacro.c */
extern void _cpp_free_definition PARAMS ((cpp_hashnode *));
-extern int _cpp_create_definition PARAMS ((cpp_reader *, cpp_toklist *,
- cpp_hashnode *));
-extern void _cpp_dump_definition PARAMS ((cpp_reader *, cpp_hashnode *));
-extern void _cpp_quote_string PARAMS ((cpp_reader *, const U_CHAR *));
-extern void _cpp_macroexpand PARAMS ((cpp_reader *, cpp_hashnode *));
-extern void _cpp_init_macro_hash PARAMS ((cpp_reader *));
-extern void _cpp_dump_macro_hash PARAMS ((cpp_reader *));
+extern int _cpp_create_definition PARAMS ((cpp_reader *, cpp_hashnode *));
+extern void _cpp_pop_context PARAMS ((cpp_reader *));
+
+/* In cpphash.c */
+extern void _cpp_init_hashtable PARAMS ((cpp_reader *, hash_table *));
+extern void _cpp_destroy_hashtable PARAMS ((cpp_reader *));
/* In cppfiles.c */
-extern void _cpp_simplify_pathname PARAMS ((char *));
-extern void _cpp_execute_include PARAMS ((cpp_reader *, U_CHAR *,
- unsigned int, int,
- struct file_name_list *));
-extern void _cpp_init_include_hash PARAMS ((cpp_reader *));
-extern const char *_cpp_fake_ihash PARAMS ((cpp_reader *, const char *));
+extern void _cpp_fake_include PARAMS ((cpp_reader *, const char *));
+extern void _cpp_never_reread PARAMS ((struct include_file *));
+extern char *_cpp_simplify_pathname PARAMS ((char *));
+extern bool _cpp_read_file PARAMS ((cpp_reader *, const char *));
+extern bool _cpp_execute_include PARAMS ((cpp_reader *,
+ const cpp_token *,
+ enum include_type));
+extern int _cpp_compare_file_date PARAMS ((cpp_reader *,
+ const cpp_token *));
+extern void _cpp_report_missing_guards PARAMS ((cpp_reader *));
+extern void _cpp_init_includes PARAMS ((cpp_reader *));
+extern void _cpp_cleanup_includes PARAMS ((cpp_reader *));
+extern void _cpp_pop_file_buffer PARAMS ((cpp_reader *,
+ struct include_file *));
/* In cppexp.c */
-extern int _cpp_parse_expr PARAMS ((cpp_reader *));
+extern bool _cpp_parse_expr PARAMS ((cpp_reader *));
+extern struct op *_cpp_expand_op_stack PARAMS ((cpp_reader *));
/* In cpplex.c */
-extern void _cpp_parse_name PARAMS ((cpp_reader *, int));
-extern void _cpp_skip_rest_of_line PARAMS ((cpp_reader *));
-extern void _cpp_skip_hspace PARAMS ((cpp_reader *));
-extern void _cpp_expand_to_buffer PARAMS ((cpp_reader *,
- const unsigned char *, int));
-extern int _cpp_parse_assertion PARAMS ((cpp_reader *));
-extern enum cpp_ttype _cpp_lex_token PARAMS ((cpp_reader *));
-extern ssize_t _cpp_prescan PARAMS ((cpp_reader *, cpp_buffer *,
- ssize_t));
-extern void _cpp_init_input_buffer PARAMS ((cpp_reader *));
-extern void _cpp_grow_token_buffer PARAMS ((cpp_reader *, long));
-extern enum cpp_ttype _cpp_get_directive_token
- PARAMS ((cpp_reader *));
-extern enum cpp_ttype _cpp_get_define_token
- PARAMS ((cpp_reader *));
-extern enum cpp_ttype _cpp_scan_until PARAMS ((cpp_reader *, cpp_toklist *,
- enum cpp_ttype));
-extern void _cpp_init_toklist PARAMS ((cpp_toklist *, int));
-extern void _cpp_clear_toklist PARAMS ((cpp_toklist *));
-extern void _cpp_free_toklist PARAMS ((cpp_toklist *));
-extern void _cpp_slice_toklist PARAMS ((cpp_toklist *,
- const cpp_token *,
- const cpp_token *));
-extern void _cpp_squeeze_toklist PARAMS ((cpp_toklist *));
+extern cpp_token *_cpp_temp_token PARAMS ((cpp_reader *));
+extern const cpp_token *_cpp_lex_token PARAMS ((cpp_reader *));
+extern cpp_token *_cpp_lex_direct PARAMS ((cpp_reader *));
extern int _cpp_equiv_tokens PARAMS ((const cpp_token *,
const cpp_token *));
-extern int _cpp_equiv_toklists PARAMS ((const cpp_toklist *,
- const cpp_toklist *));
-extern void _cpp_expand_token_space PARAMS ((cpp_toklist *, unsigned int));
+extern void _cpp_init_tokenrun PARAMS ((tokenrun *, unsigned int));
+
+/* In cppinit.c. */
+extern void _cpp_maybe_push_include_file PARAMS ((cpp_reader *));
/* In cpplib.c */
-extern int _cpp_handle_directive PARAMS ((cpp_reader *));
-extern void _cpp_unwind_if_stack PARAMS ((cpp_reader *, cpp_buffer *));
-extern void _cpp_check_directive PARAMS ((cpp_toklist *, cpp_token *));
+extern int _cpp_test_assertion PARAMS ((cpp_reader *, unsigned int *));
+extern int _cpp_handle_directive PARAMS ((cpp_reader *, int));
+extern void _cpp_define_builtin PARAMS ((cpp_reader *, const char *));
+extern void _cpp_do__Pragma PARAMS ((cpp_reader *));
+extern void _cpp_init_directives PARAMS ((cpp_reader *));
+extern void _cpp_init_internal_pragmas PARAMS ((cpp_reader *));
+extern void _cpp_do_file_change PARAMS ((cpp_reader *, enum lc_reason,
+ const char *,
+ unsigned int, unsigned int));
+extern void _cpp_pop_buffer PARAMS ((cpp_reader *));
+
+/* Utility routines and macros. */
+#define DSC(str) (const uchar *)str, sizeof str - 1
+#define xnew(T) (T *) xmalloc (sizeof(T))
+#define xcnew(T) (T *) xcalloc (1, sizeof(T))
+#define xnewvec(T, N) (T *) xmalloc (sizeof(T) * (N))
+#define xcnewvec(T, N) (T *) xcalloc (N, sizeof(T))
+#define xobnew(O, T) (T *) obstack_alloc (O, sizeof(T))
/* These are inline functions instead of macros so we can get type
checking. */
+typedef unsigned char uchar;
+#define U (const uchar *) /* Intended use: U"string" */
-static inline int ustrcmp PARAMS ((const U_CHAR *, const U_CHAR *));
-static inline int ustrncmp PARAMS ((const U_CHAR *, const U_CHAR *,
+static inline int ustrcmp PARAMS ((const uchar *, const uchar *));
+static inline int ustrncmp PARAMS ((const uchar *, const uchar *,
size_t));
-static inline size_t ustrlen PARAMS ((const U_CHAR *));
-static inline U_CHAR *uxstrdup PARAMS ((const U_CHAR *));
-static inline U_CHAR *ustrchr PARAMS ((const U_CHAR *, int));
+static inline size_t ustrlen PARAMS ((const uchar *));
+static inline uchar *uxstrdup PARAMS ((const uchar *));
+static inline uchar *ustrchr PARAMS ((const uchar *, int));
+static inline int ufputs PARAMS ((const uchar *, FILE *));
static inline int
ustrcmp (s1, s2)
- const U_CHAR *s1, *s2;
+ const uchar *s1, *s2;
{
return strcmp ((const char *)s1, (const char *)s2);
}
static inline int
ustrncmp (s1, s2, n)
- const U_CHAR *s1, *s2;
+ const uchar *s1, *s2;
size_t n;
{
return strncmp ((const char *)s1, (const char *)s2, n);
static inline size_t
ustrlen (s1)
- const U_CHAR *s1;
+ const uchar *s1;
{
return strlen ((const char *)s1);
}
-static inline U_CHAR *
+static inline uchar *
uxstrdup (s1)
- const U_CHAR *s1;
+ const uchar *s1;
{
- return (U_CHAR *) xstrdup ((const char *)s1);
+ return (uchar *) xstrdup ((const char *)s1);
}
-static inline U_CHAR *
+static inline uchar *
ustrchr (s1, c)
- const U_CHAR *s1;
+ const uchar *s1;
int c;
{
- return (U_CHAR *) strchr ((const char *)s1, c);
+ return (uchar *) strchr ((const char *)s1, c);
}
-#endif
+static inline int
+ufputs (s, f)
+ const uchar *s;
+ FILE *f;
+{
+ return fputs ((const char *)s, f);
+}
+
+#endif /* ! GCC_CPPHASH_H */
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