/* 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"
+
+struct directive; /* Deliberately incomplete. */
+
+/* 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)
-/* Tokens with SPELL_STRING store their spelling in the token list,
- and it's length in the token->val.name.len. */
-enum spell_type
+/* 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
{
- SPELL_OPERATOR = 0,
- SPELL_CHAR,
- SPELL_IDENT,
- SPELL_STRING,
- SPELL_NONE
+ struct _cpp_buff *next;
+ unsigned char *base, *cur, *limit;
};
-struct token_spelling
+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
{
- enum spell_type category;
- const U_CHAR *name;
+ 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. */
+ ino_t ino;
+ dev_t dev;
+ /* 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. */
+ struct file_name_map *name_map;
};
-extern const struct token_spelling _cpp_token_spellings[];
-#define TOKEN_SPELL(token) (_cpp_token_spellings[(token)->type].category)
-#define TOKEN_NAME(token) (_cpp_token_spellings[(token)->type].name)
+/* #include types. */
+enum include_type {IT_INCLUDE, IT_INCLUDE_NEXT, IT_IMPORT, IT_CMDLINE};
-/* Chained list of answers to an assertion. */
-struct answer
+union utoken
{
- struct answer *next;
- cpp_toklist list;
+ const cpp_token *token;
+ const cpp_token **ptoken;
};
-#define FREE_ANSWER(answer) do {_cpp_free_toklist (&answer->list); \
- free (answer); } while (0)
-
-/* Values for the origin field of struct directive. KANDR directives
- come from traditional (K&R) C. STDC89 directives come from the
- 1989 C standard. EXTENSION directives are extensions. */
-#define KANDR 0
-#define STDC89 1
-#define EXTENSION 2
-
-/* Values for the flags field of struct directive. COND indicates a
- conditional. EXPAND means that macros are to be expanded on the
- directive line. INCL means to treat "..." and <...> as
- q-char-sequence and h-char-sequence respectively. COMMENTS means
- preserve comments in the directive if -C. */
-#define COND (1 << 0)
-#define EXPAND (1 << 1)
-#define INCL (1 << 2)
-#define COMMENTS (1 << 3)
-
-/* Defines one #-directive, including how to handle it. */
-typedef void (*directive_handler) PARAMS ((cpp_reader *));
-struct directive
+
+/* A "run" of tokens; part of a chain of runs. */
+typedef struct tokenrun tokenrun;
+struct tokenrun
{
- directive_handler handler; /* Function to handle directive. */
- const U_CHAR *name; /* Name of directive. */
- unsigned short length; /* Length of name. */
- unsigned char origin; /* Origin of directive. */
- unsigned char flags; /* Flags describing this directive. */
+ tokenrun *next, *prev;
+ cpp_token *base, *limit;
};
-/* List of directories to look for include files in. */
-struct file_name_list
+typedef struct cpp_context cpp_context;
+struct cpp_context
{
- struct file_name_list *next;
- struct file_name_list *alloc; /* for the cache of
- current directory entries */
- char *name;
- unsigned int nlen;
- /* We use these to tell if the directory mentioned here is a duplicate
- 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. */
- int sysp;
- /* Mapping of file names for this directory.
- Only used on MS-DOS and related platforms. */
- struct file_name_map *name_map;
+ /* 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;
};
-#define ABSOLUTE_PATH ((struct file_name_list *)-1)
-/* This structure is used for the table of all includes. */
-struct include_file
+struct lexer_state
{
- const char *name; /* actual path name of file */
- const cpp_hashnode *cmacro; /* macro, if any, preventing reinclusion. */
- const struct file_name_list *foundhere;
- /* location in search path where file was
- found, for #include_next */
- int fd; /* file descriptor possibly open on file */
- unsigned short include_count; /* number of times file has been read */
- unsigned short sysp; /* file is a system header */
- time_t date; /* modification date of file, if known */
+ /* 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;
};
-/* Special nodes - identifiers with predefined significance.
- Note that the array length of dirs[] must be kept in sync with
- cpplib.c's dtable[]. */
+/* Special nodes - identifiers with predefined significance. */
struct spec_nodes
{
- cpp_hashnode *n_L; /* L"str" */
+ 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__CHAR_UNSIGNED__; /* plain char is unsigned */
cpp_hashnode *n__VA_ARGS__; /* C99 vararg macros */
- cpp_hashnode *dirs[19]; /* 19 directives counting #sccs */
};
+/* Represents the contents of a file cpplib has read in. */
+struct cpp_buffer
+{
+ 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;
-/* The cmacro works like this: If it's NULL, the file is to be
- included again. If it's NEVER_REREAD, the file is never to be
- included again. Otherwise it is a macro hashnode, and the file is
- to be included again if the macro is not defined. */
-#define NEVER_REREAD ((const cpp_hashnode *)-1)
-#define DO_NOT_REREAD(inc) \
-((inc)->cmacro && \
- ((inc)->cmacro == NEVER_REREAD || (inc)->cmacro->type != T_VOID))
+ /* Nonzero means that the directory to start searching for ""
+ include files has been calculated and stored in "dir" below. */
+ unsigned char search_cached;
-/* Character classes.
+ /* 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;
+};
+
+/* 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;
+
+ /* 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;
+
+ /* 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].
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 ISidnum 0x01 /* a-zA-Z0-9_ */
-#define ISidstart 0x02 /* _a-zA-Z */
-#define ISnumstart 0x04 /* 0-9 */
-#define IShspace 0x08 /* ' ' \t */
-#define ISvspace 0x10 /* \r \n */
-#define ISspace 0x20 /* ' ' \t \r \n \f \v \0 */
-
#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_vspace(x) (_cpp_IStable[x] & ISvspace)
-#define is_nvspace(x) ((_cpp_IStable[x] & (ISspace | ISvspace)) == ISspace)
-#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. */
-/* 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))
-
-#define CPP_PREV_BUFFER(BUFFER) ((BUFFER)->prev)
#define CPP_PRINT_DEPS(PFILE) CPP_OPTION (PFILE, print_deps)
-#define CPP_IN_SYSTEM_HEADER(PFILE) \
- (CPP_BUFFER (PFILE) && CPP_BUFFER (PFILE)->inc \
- && CPP_BUFFER (PFILE)->inc->sysp)
-#define CPP_PEDANTIC(PF) \
- (CPP_OPTION (PF, pedantic) && !CPP_IN_SYSTEM_HEADER (PF))
-#define CPP_WTRADITIONAL(PF) \
- (CPP_OPTION (PF, warn_traditional) && !CPP_IN_SYSTEM_HEADER (PF))
-
-/* Hash step. The hash calculation is duplicated in cpp_lookup and
- parse_name. */
-#define HASHSTEP(r, str) ((r) * 67 + (*str - 113));
-
-/* 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 cpperror.c */
-enum error_type { WARNING = 0, PEDWARN, ERROR, FATAL, ICE };
+enum error_type { WARNING = 0, WARNING_SYSHDR, PEDWARN, ERROR, FATAL, ICE };
extern int _cpp_begin_message PARAMS ((cpp_reader *, enum error_type,
- const char *, unsigned int,
- unsigned 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_hashnode *));
+extern void _cpp_pop_context PARAMS ((cpp_reader *));
/* In cpphash.c */
-extern void _cpp_init_macros PARAMS ((cpp_reader *));
-extern void _cpp_cleanup_macros PARAMS ((cpp_reader *));
-extern cpp_hashnode *_cpp_lookup_with_hash PARAMS ((cpp_reader*, const U_CHAR *,
- size_t, unsigned int));
+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 *, const U_CHAR *,
- unsigned int, int,
- struct file_name_list *,
- int));
-extern int _cpp_compare_file_date PARAMS ((cpp_reader *, const U_CHAR *,
- unsigned int, int));
+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 const char *_cpp_fake_include PARAMS ((cpp_reader *, const char *));
-extern void _cpp_pop_file_buffer PARAMS ((cpp_reader *, cpp_buffer *));
+extern bool _cpp_pop_file_buffer PARAMS ((cpp_reader *,
+ struct include_file *));
/* In cppexp.c */
extern int _cpp_parse_expr PARAMS ((cpp_reader *));
/* In cpplex.c */
-extern void _cpp_skip_rest_of_line PARAMS ((cpp_reader *));
-extern void _cpp_free_temp_tokens PARAMS ((cpp_reader *));
-extern void _cpp_init_input_buffer PARAMS ((cpp_reader *));
-extern void _cpp_grow_token_buffer PARAMS ((cpp_reader *, long));
-extern void _cpp_init_toklist PARAMS ((cpp_toklist *, int));
-extern void _cpp_clear_toklist PARAMS ((cpp_toklist *));
-extern void _cpp_free_toklist PARAMS ((const cpp_toklist *));
-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_reserve_name_space PARAMS ((cpp_toklist *, unsigned int));
-extern void _cpp_expand_name_space PARAMS ((cpp_toklist *, unsigned int));
+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 void _cpp_run_directive PARAMS ((cpp_reader *,
- const struct directive *,
- const char *, size_t));
-extern unsigned int _cpp_get_line PARAMS ((cpp_reader *,
- unsigned int *));
-extern const cpp_token *_cpp_get_token PARAMS ((cpp_reader *));
-extern const cpp_token *_cpp_get_raw_token PARAMS ((cpp_reader *));
-extern void _cpp_push_token PARAMS ((cpp_reader *, const cpp_token*));
-extern const cpp_token *_cpp_glue_header_name PARAMS ((cpp_reader *));
+extern void _cpp_init_tokenrun PARAMS ((tokenrun *, unsigned int));
+
+/* In cppinit.c. */
+extern bool _cpp_push_next_buffer PARAMS ((cpp_reader *));
/* In cpplib.c */
-extern const struct directive *_cpp_check_directive
- PARAMS ((cpp_reader *, const cpp_token *, int));
-extern const struct directive *_cpp_check_linemarker
- PARAMS ((cpp_reader *, const cpp_token *, int));
-extern cpp_hashnode *_cpp_parse_assertion PARAMS ((cpp_reader *,
- struct answer **));
-extern struct answer **_cpp_find_answer PARAMS ((cpp_hashnode *,
- const cpp_toklist *));
-extern void _cpp_init_stacks PARAMS ((cpp_reader *));
-extern void _cpp_cleanup_stacks PARAMS ((cpp_reader *));
+extern int _cpp_test_assertion PARAMS ((cpp_reader *, 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 U_CHAR *)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 U_CHAR;
+#define U (const U_CHAR *) /* 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 *,
return fputs ((const char *)s, f);
}
-#endif
+#endif /* ! GCC_CPPHASH_H */