Subversion Repositories planix.SVN

#define	INS	32768		/* input buffer */

#define	OBS	4096		/* outbut buffer */

#define	NARG	128		/* Max number arguments to a macro */

#define	NINCLUDE 64		/* Max number of include directories (-I) */

#define	NIF	32		/* depth of nesting of #if */

#ifndef EOF

#define	EOF	(-1)

#endif

#ifndef NULL

#define NULL	0

#endif

enum toktype { END, UNCLASS, NAME, NUMBER, STRING, CCON, NL, WS, DSHARP,

		EQ, NEQ, LEQ, GEQ, LSH, RSH, LAND, LOR, PPLUS, MMINUS,

		ARROW, SBRA, SKET, LP, RP, DOT, AND, STAR, PLUS, MINUS,

		TILDE, NOT, SLASH, PCT, LT, GT, CIRC, OR, QUEST,

		COLON, ASGN, COMMA, SHARP, SEMIC, CBRA, CKET,

		ASPLUS, ASMINUS, ASSTAR, ASSLASH, ASPCT, ASCIRC, ASLSH,

		ASRSH, ASOR, ASAND, ELLIPS,

		DSHARP1, NAME1, DEFINED, UMINUS };

enum kwtype { KIF, KIFDEF, KIFNDEF, KELIF, KELSE, KENDIF, KINCLUDE, KDEFINE,

		KUNDEF, KLINE, KERROR, KWARNING, KPRAGMA, KDEFINED,

		KLINENO, KFILE, KDATE, KTIME, KSTDC, KEVAL };

#define	ISDEFINED	01	/* has #defined value */

#define	ISKW		02	/* is PP keyword */

#define	ISUNCHANGE	04	/* can't be #defined in PP */

#define	ISMAC		010	/* builtin macro, e.g. __LINE__ */

#define	ISVARMAC	020	/* variadic macro */

#define	EOB	0x100		/* sentinel for end of input buffer */

#define	EOFC	0x101		/* sentinel for end of input file */

#define	XPWS	1		/* token flag: white space to assure token sep. */

enum { Notinmacro, Inmacro };

typedef struct token {

	unsigned char	type;

	unsigned char 	flag;

	unsigned short	hideset;

	unsigned int	wslen;

	unsigned int	len;

	uchar	*t;

} Token;

typedef struct tokenrow {

	Token	*tp;		/* current one to scan */

	Token	*bp;		/* base (allocated value) */

	Token	*lp;		/* last+1 token used */

	int	max;		/* number allocated */

} Tokenrow;

typedef struct source {

	char	*filename;	/* name of file of the source */

	int	line;		/* current line number */

	int	lineinc;	/* adjustment for \\n lines */

	uchar	*inb;		/* input buffer */

	uchar	*inp;		/* input pointer */

	uchar	*inl;		/* end of input */

	int 	ins;		/* input buffer size */

	int	fd;		/* input source */

	int	ifdepth;	/* conditional nesting in include */

	struct	source *next;	/* stack for #include */

	int eob;

} Source;

typedef struct nlist {

	struct nlist *next;

	uchar	*name;

	int	len;

	Tokenrow *vp;		/* value as macro */

	Tokenrow *ap;		/* list of argument names, if any */

	char	val;		/* value as preprocessor name */

	char	flag;		/* is defined, is pp name */

} Nlist;

typedef	struct	includelist {

	char	deleted;

	char	always;

	char	*file;

} Includelist;

#define	new(t)	(t *)domalloc(sizeof(t))

#define	quicklook(a,b)	(namebit[(a)&077] & (1<<((b)&037)))

#define	quickset(a,b)	namebit[(a)&077] |= (1<<((b)&037))

extern	unsigned long namebit[077+1];

enum errtype { WARNING, ERROR, FATAL };

void	expandlex(void);

void	fixlex(void);

void	setup(int, char **);

#define gettokens cpp_gettokens

int	gettokens(Tokenrow *, int);

int	comparetokens(Tokenrow *, Tokenrow *);

Source	*setsource(char *, int, char *);

void	unsetsource(void);

void	puttokens(Tokenrow *);

void	process(Tokenrow *);

void	*dorealloc(void *, int);

void	*domalloc(int);

void	dofree(void *);

void	error(enum errtype, char *, ...);

void	flushout(void);

int	fillbuf(Source *);

int	trigraph(Source *);

int	foldline(Source *);

Nlist	*lookup(Token *, int);

void	control(Tokenrow *);

void	dodefine(Tokenrow *);

void	doadefine(Tokenrow *, int);

void	doinclude(Tokenrow *);

void	doif(Tokenrow *, enum kwtype);

void	expand(Tokenrow *, Nlist *, int);

void	builtin(Tokenrow *, int);

int	gatherargs(Tokenrow *, Tokenrow **, int, int *);

void	substargs(Nlist *, Tokenrow *, Tokenrow **);

void	expandrow(Tokenrow *, char *, int);

void	maketokenrow(int, Tokenrow *);

Tokenrow *copytokenrow(Tokenrow *, Tokenrow *);

Token	*growtokenrow(Tokenrow *);

Tokenrow *normtokenrow(Tokenrow *);

void	adjustrow(Tokenrow *, int);

void	movetokenrow(Tokenrow *, Tokenrow *);

void	insertrow(Tokenrow *, int, Tokenrow *);

void	peektokens(Tokenrow *, char *);

void	doconcat(Tokenrow *);

Tokenrow *stringify(Tokenrow *);

int	lookuparg(Nlist *, Token *);

long	eval(Tokenrow *, int);

void	genline(void);

void	setempty(Tokenrow *);

void	makespace(Tokenrow *);

char	*outnum(char *, int);

int	digit(int);

uchar	*newstring(uchar *, int, int);

int	checkhideset(int, Nlist *);

void	prhideset(int);

int	newhideset(int, Nlist *);

int	unionhideset(int, int);

void	iniths(void);

void	setobjname(char *);

void	clearwstab(void);

#define	rowlen(tokrow)	((tokrow)->lp - (tokrow)->bp)

extern	char *outp;

extern	Token	nltoken;

extern	Source *cursource;

extern	char *curtime;

extern	int incdepth;

extern	int ifdepth;

extern	int ifsatisfied[NIF];

extern	int Mflag;

extern	int nolineinfo;

extern	int skipping;

extern	int verbose;

extern	int Cplusplus;

extern	Nlist *kwdefined;

extern	Includelist includelist[NINCLUDE];

extern	char wd[];