Hard reset

code/tools/lcc/cpp/cpp.h

@@ -0,0 +1,166 @@
+#define	INS	32768		/* input buffer */
+#define	OBS	4096		/* outbut buffer */
+#define	NARG	32		/* Max number arguments to a macro */
+#define	NINCLUDE 32		/* 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
+
+#ifndef __alpha
+typedef unsigned char uchar;
+#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, 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	EOB	0xFE		/* sentinel for end of input buffer */
+#define	EOFC	0xFD		/* sentinel for end of input file */
+#define	XPWS	1		/* token flag: white space to assure token sep. */
+
+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	fd;		/* input source */
+	int	ifdepth;	/* conditional nesting in include */
+	struct	source *next;	/* stack for #include */
+} 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 **);
+int	gettokens(Tokenrow *, int);
+int	comparetokens(Tokenrow *, Tokenrow *);
+Source	*setsource(char *, int, char *);
+void	unsetsource(void);
+void	puttokens(Tokenrow *);
+void	process(Tokenrow *);
+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	appendDirToIncludeList( char *dir );
+void	doif(Tokenrow *, enum kwtype);
+void	expand(Tokenrow *, Nlist *);
+void	builtin(Tokenrow *, int);
+int	gatherargs(Tokenrow *, Tokenrow **, int *);
+void	substargs(Nlist *, Tokenrow *, Tokenrow **);
+void	expandrow(Tokenrow *, char *);
+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 *);
+#define	rowlen(tokrow)	((tokrow)->lp - (tokrow)->bp)
+
+char *basepath( char *fname );
+
+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 skipping;
+extern	int verbose;
+extern	int Cplusplus;
+extern	Nlist *kwdefined;
+extern	Includelist includelist[NINCLUDE];
+extern	char wd[];
+
+#ifndef _WIN32
+#include <unistd.h>
+#else
+#include <io.h>
+#endif
+#include <fcntl.h>