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/*
* (c) Thomas Pornin 1999 - 2002
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 4. The name of the authors may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef UCPP__UCPPI__
#define UCPP__UCPPI__
#include "tune.h"
#include "cpp.h"
#include "nhash.h"
/*
* A macro represented in a compact form; simple tokens are represented
* by one byte, containing their number. Tokens with a string value are
* followed by the value (string finished by a 0). Macro arguments are
* followed by the argument number (in one byte -- thus implying a hard
* limit of 254 arguments (number 255 is for __VA_ARGS__).
*/
struct comp_token_fifo {
size_t length;
size_t rp;
unsigned char *t;
};
/* These declarations are used only internally by ucpp */
/*
* S_TOKEN(x) checks whether x is a token type with an embedded string
* ttMWS(x) checks whether x is macro whitespace (space, comment...)
* ttWHI(x) checks whether x is whitespace (MWS or newline)
*/
#define S_TOKEN(x) STRING_TOKEN(x)
#define ttMWS(x) ((x) == NONE || (x) == COMMENT || (x) == OPT_NONE)
#define ttWHI(x) (ttMWS(x) || (x) == NEWLINE)
/*
* Function prototypes
*/
/*
* from lexer.c
*/
#define init_cppm ucpp_init_cppm
#define put_char ucpp_put_char
#define discard_char ucpp_discard_char
#define next_token ucpp_next_token
#define grap_char ucpp_grap_char
#define space_char ucpp_space_char
void init_cppm(void);
void put_char(struct lexer_state *, unsigned char);
void discard_char(struct lexer_state *);
int next_token(struct lexer_state *);
int grap_char(struct lexer_state *);
int space_char(int);
/*
* from assert.c
*/
struct assert {
hash_item_header head; /* first field */
size_t nbval;
struct token_fifo *val;
};
#define cmp_token_list ucpp_cmp_token_list
#define handle_assert ucpp_handle_assert
#define handle_unassert ucpp_handle_unassert
#define get_assertion ucpp_get_assertion
#define wipe_assertions ucpp_wipe_assertions
int cmp_token_list(struct token_fifo *, struct token_fifo *);
int handle_assert(struct lexer_state *);
int handle_unassert(struct lexer_state *);
struct assert *get_assertion(char *);
void wipe_assertions(void);
/*
* from macro.c
*/
struct macro {
hash_item_header head; /* first field */
int narg;
char **arg;
int nest;
int vaarg;
#ifdef LOW_MEM
struct comp_token_fifo cval;
#else
struct token_fifo val;
#endif
};
#define print_token ucpp_print_token
#define handle_define ucpp_handle_define
#define handle_undef ucpp_handle_undef
#define handle_ifdef ucpp_handle_ifdef
#define handle_ifndef ucpp_handle_ifndef
#define substitute_macro ucpp_substitute_macro
#define get_macro ucpp_get_macro
#define wipe_macros ucpp_wipe_macros
#define dsharp_lexer ucpp_dsharp_lexer
#define compile_time ucpp_compile_time
#define compile_date ucpp_compile_date
#ifdef PRAGMA_TOKENIZE
#define tokenize_lexer ucpp_tokenize_lexer
#endif
void print_token(struct lexer_state *, struct token *, long);
int handle_define(struct lexer_state *);
int handle_undef(struct lexer_state *);
int handle_ifdef(struct lexer_state *);
int handle_ifndef(struct lexer_state *);
int substitute_macro(struct lexer_state *, struct macro *,
struct token_fifo *, int, int, long);
struct macro *get_macro(char *);
void wipe_macros(void);
extern struct lexer_state dsharp_lexer;
extern char compile_time[], compile_date[];
#ifdef PRAGMA_TOKENIZE
extern struct lexer_state tokenize_lexer;
#endif
/*
* from eval.c
*/
#define strtoconst ucpp_strtoconst
#define eval_expr ucpp_eval_expr
#define eval_line ucpp_eval_line
unsigned long strtoconst(char *);
unsigned long eval_expr(struct token_fifo *, int *, int);
extern long eval_line;
#define eval_exception ucpp_eval_exception
#ifdef POSIX_JMP
#define JMP_BUF sigjmp_buf
#define catch(x) sigsetjmp((x), 0)
#define throw(x) siglongjmp((x), 1)
#else
#define JMP_BUF jmp_buf
#define catch(x) setjmp((x))
#define throw(x) longjmp((x), 1)
#endif
extern JMP_BUF eval_exception;
/*
* from cpp.c
*/
#define token_name ucpp_token_name
#define throw_away ucpp_throw_away
#define garbage_collect ucpp_garbage_collect
#define init_buf_lexer_state ucpp_init_buf_lexer_state
#ifdef PRAGMA_TOKENIZE
#define compress_token_list ucpp_compress_token_list
#endif
char *token_name(struct token *);
void throw_away(struct garbage_fifo *, char *);
void garbage_collect(struct garbage_fifo *);
void init_buf_lexer_state(struct lexer_state *, int);
#ifdef PRAGMA_TOKENIZE
struct comp_token_fifo compress_token_list(struct token_fifo *);
#endif
#define ouch ucpp_ouch
#define error ucpp_error
#define warning ucpp_warning
#endif
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