/* 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
+
+#include "hashtable.h"
+
+struct directive; /* Deliberately incomplete. */
+struct pending_option;
+struct op;
+
+typedef unsigned char uchar;
+#define U (const uchar *) /* Intended use: U"string" */
+
+#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) \
|| (((prevc) == 'p' || (prevc) == 'P') \
&& CPP_OPTION (pfile, extended_numbers))))
-/* Memory pools. */
-#define ALIGN(size, align) (((size) + ((align) - 1)) & ~((align) - 1))
-#define POOL_FRONT(p) ((p)->cur->front)
-#define POOL_LIMIT(p) ((p)->cur->limit)
-#define POOL_BASE(p) ((p)->cur->base)
-#define POOL_SIZE(p) ((p)->cur->limit - (p)->cur->base)
-#define POOL_ROOM(p) ((p)->cur->limit - (p)->cur->front)
-#define POOL_USED(p) ((p)->cur->front - (p)->cur->base)
-#define POOL_COMMIT(p, len) do {((p)->cur->front += ALIGN (len, (p)->align));\
- if ((p)->cur->front > (p)->cur->limit) abort ();} while (0)
-
-typedef struct cpp_chunk cpp_chunk;
-struct cpp_chunk
+#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
+
+/* Host alignment handling. */
+struct dummy
{
- cpp_chunk *next;
- unsigned char *front;
- unsigned char *limit;
- unsigned char *base;
+ char c;
+ union
+ {
+ double d;
+ int *p;
+ } u;
};
-/* List of directories to look for include files in. */
-struct file_name_list
+#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)
+
+/* Each macro definition is recorded in a cpp_macro structure.
+ Variadic macros cannot occur with traditional cpp. */
+struct cpp_macro
{
- struct file_name_list *next;
- struct file_name_list *alloc; /* for the cache of
- current directory entries */
- char *name;
- unsigned int nlen;
+ /* Parameters, if any. */
+ cpp_hashnode **params;
+
+ /* Replacement tokens (ISO) or replacement text (traditional). See
+ comment at top of cpptrad.c for how traditional function-like
+ macros are encoded. */
+ union
+ {
+ cpp_token *tokens;
+ const uchar *text;
+ } exp;
+
+ /* Definition line number. */
+ unsigned int line;
+
+ /* Number of tokens in expansion, or bytes for traditional macros. */
+ unsigned int count;
+
+ /* Number of parameters. */
+ unsigned short paramc;
+
+ /* If a function-like macro. */
+ unsigned int fun_like : 1;
+
+ /* If a variadic macro. */
+ unsigned int variadic : 1;
+
+ /* 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;
+};
+
+#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 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 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. */
+ /* Nonzero 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)
-
-/* 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 defined or not as specified by
- DEFINED. */
-#define NEVER_REREAD ((const cpp_hashnode *)-1)
-#define DO_NOT_REREAD(inc) \
-((inc)->cmacro && ((inc)->cmacro == NEVER_REREAD \
- || ((inc)->cmacro->type == NT_MACRO) == (inc)->defined))
+/* #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)
+
+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 uchar *cur;
+ const uchar *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;
+
+ /* 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 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 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__VA_ARGS__; /* C99 vararg macros */
+};
+
+/* Encapsulates state used to convert a stream of tokens into a text
+ file. */
+struct printer
+{
+ FILE *outf; /* Stream to write to. */
+ const struct line_map *map; /* Logical to physical line mappings. */
+ const cpp_token *prev; /* Previous token. */
+ const cpp_token *source; /* Source token for spacing. */
+ unsigned int line; /* Line currently being written. */
+ unsigned char printed; /* Nonzero if something output at line. */
+};
+
+/* 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 */
- cppchar_t read_ahead; /* read ahead character */
- cppchar_t extra_char; /* extra read-ahead for long tokens. */
- struct cpp_reader *pfile; /* Owns this buffer. */
struct cpp_buffer *prev;
- const unsigned char *buf; /* entire buffer */
-
- /* Filename specified with #line command. */
- const char *nominal_fname;
+ const unsigned char *buf; /* Entire character buffer. */
- /* Actual directory of this file, used only for "" includes */
- struct file_name_list *actual_dir;
-
- /* Pointer into the include table. Used for include_next and
- to record control macros. */
+ /* 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.
/* Token column position adjustment owing to tabs in whitespace. */
unsigned int col_adjust;
- /* Line number at line_base (above). */
- unsigned int lineno;
+ /* 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. */
buffers. */
unsigned char from_stage3;
- /* Temporary storage for pfile->skipping whilst in a directive. */
- unsigned char was_skipping;
+ /* 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;
+
+ /* Used for buffer overlays by cpptrad.c. */
+ const uchar *saved_cur, *saved_rlimit;
+};
+
+/* 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_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;
+
+ /* 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;
+
+ /* 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;
+
+ /* Macros on or after this line are warned about if unused. */
+ unsigned int first_unused_line;
+
+ /* Date and time text. Calculated together if either is requested. */
+ const uchar *date;
+ const uchar *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 cpphash.c */
+ struct obstack hash_ob;
- /* 1 = system header file, 2 = C system header file used for C++. */
- unsigned char sysp;
+ /* 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;
+
+ /* Used when doing preprocessed output. */
+ struct printer print;
+
+ /* Whether cpplib owns the hashtable. */
+ unsigned char our_hashtable;
+
+ /* Traditional preprocessing output buffer (a logical line). */
+ struct
+ {
+ uchar *base;
+ uchar *limit;
+ uchar *cur;
+ unsigned int first_line;
+ } out;
+
+ /* Used to save the original line number during traditional
+ preprocessing. */
+ unsigned int saved_line;
};
-/* Character classes.
+/* 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)
-/* These tables are constant if they can be initialized at compile time,
+/* 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_IStable[UCHAR_MAX + 1];
extern const unsigned char _cpp_trigraph_map[UCHAR_MAX + 1];
#else
-extern unsigned char _cpp_IStable[UCHAR_MAX + 1];
extern unsigned char _cpp_trigraph_map[UCHAR_MAX + 1];
#endif
/* Macros. */
-#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)->sysp)
-#define CPP_PEDANTIC(PF) \
- CPP_OPTION (PF, pedantic)
-#define CPP_WTRADITIONAL(PF) \
- CPP_OPTION (PF, warn_traditional)
-
-/* Hash step. The hash calculation is duplicated in cpp_lookup and
- parse_name. */
-#define HASHSTEP(r, c) ((r) * 67 + (c - 113));
+#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 };
-extern int _cpp_begin_message PARAMS ((cpp_reader *, enum error_type,
- const char *, const cpp_lexer_pos *));
+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_hashnode *));
+extern bool _cpp_create_definition PARAMS ((cpp_reader *, cpp_hashnode *));
extern void _cpp_pop_context PARAMS ((cpp_reader *));
-extern void _cpp_free_lookaheads PARAMS ((cpp_reader *));
-extern void _cpp_release_lookahead PARAMS ((cpp_reader *));
-extern void _cpp_push_token PARAMS ((cpp_reader *, const cpp_token *,
- const cpp_lexer_pos *));
-
+extern void _cpp_push_text_context PARAMS ((cpp_reader *, cpp_hashnode *,
+ const uchar *, size_t));
+extern bool _cpp_save_parameter PARAMS ((cpp_reader *, cpp_macro *,
+ cpp_hashnode *));
+extern bool _cpp_arguments_ok PARAMS ((cpp_reader *, cpp_macro *,
+ const cpp_hashnode *,
+ unsigned int));
+extern const uchar *_cpp_builtin_macro_text PARAMS ((cpp_reader *,
+ cpp_hashnode *));
+int _cpp_warn_if_unused_macro PARAMS ((cpp_reader *, cpp_hashnode *,
+ void *));
/* In cpphash.c */
-extern void _cpp_init_hashtable PARAMS ((cpp_reader *));
-extern void _cpp_cleanup_hashtable PARAMS ((cpp_reader *));
-extern cpp_hashnode *_cpp_lookup_with_hash PARAMS ((cpp_reader*, 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_fake_include PARAMS ((cpp_reader *, const char *));
extern void _cpp_never_reread PARAMS ((struct include_file *));
-extern void _cpp_simplify_pathname PARAMS ((char *));
-extern int _cpp_read_file PARAMS ((cpp_reader *, const char *));
-extern void _cpp_execute_include PARAMS ((cpp_reader *,
- const cpp_token *, int, int));
+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 *, cpp_buffer *));
+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_lex_token PARAMS ((cpp_reader *, cpp_token *));
+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_init_pool PARAMS ((cpp_pool *, unsigned int,
- unsigned int, unsigned int));
-extern void _cpp_free_pool PARAMS ((cpp_pool *));
-extern unsigned char *_cpp_pool_reserve PARAMS ((cpp_pool *, unsigned int));
-extern unsigned char *_cpp_pool_alloc PARAMS ((cpp_pool *, unsigned int));
-extern unsigned char *_cpp_next_chunk PARAMS ((cpp_pool *, unsigned int,
- unsigned char **));
-extern void _cpp_lock_pool PARAMS ((cpp_pool *));
-extern void _cpp_unlock_pool PARAMS ((cpp_pool *));
+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_test_assertion PARAMS ((cpp_reader *, int *));
+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_stacks PARAMS ((cpp_reader *));
-extern void _cpp_cleanup_stacks 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 cpp_fc_reason,
- const char *, unsigned int));
+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 *));
+
+/* In cpptrad.c. */
+extern bool _cpp_read_logical_line_trad PARAMS ((cpp_reader *));
+extern void _cpp_overlay_buffer PARAMS ((cpp_reader *pfile, const uchar *,
+ size_t));
+extern void _cpp_remove_overlay PARAMS ((cpp_reader *));
+extern bool _cpp_create_trad_definition PARAMS ((cpp_reader *, cpp_macro *));
+extern bool _cpp_expansions_different_trad PARAMS ((const cpp_macro *,
+ const cpp_macro *));
+extern uchar *_cpp_copy_replacement_text PARAMS ((const cpp_macro *, uchar *));
+extern size_t _cpp_replacement_text_len PARAMS ((const cpp_macro *));
/* Utility routines and macros. */
-#define DSC(str) (const U_CHAR *)str, sizeof str - 1
+#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))
-#endif
+/* These are inline functions instead of macros so we can get type
+ checking. */
+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 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 uchar *s1, *s2;
+{
+ return strcmp ((const char *)s1, (const char *)s2);
+}
+
+static inline int
+ustrncmp (s1, s2, n)
+ const uchar *s1, *s2;
+ size_t n;
+{
+ return strncmp ((const char *)s1, (const char *)s2, n);
+}
+
+static inline size_t
+ustrlen (s1)
+ const uchar *s1;
+{
+ return strlen ((const char *)s1);
+}
+
+static inline uchar *
+uxstrdup (s1)
+ const uchar *s1;
+{
+ return (uchar *) xstrdup ((const char *)s1);
+}
+
+static inline uchar *
+ustrchr (s1, c)
+ const uchar *s1;
+ int c;
+{
+ return (uchar *) strchr ((const char *)s1, c);
+}
+
+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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