Add original unix v6

source/c/c1h.c

@@ -0,0 +1,272 @@
+/*
+ *	C pass 2 header
+ */
+
+#define	swsiz	200
+#define	ossiz	500
+
+struct	tnode {
+	int	op;
+	int	type;
+	int	degree;
+	struct	tnode *tr1, *tr2;
+};
+
+struct	bnode {
+	int	bop;
+	struct	tnode *btree;
+	int	lbl;
+	int	cond;
+};
+
+struct	tname {
+	int	nop;
+	int	ntype;
+	int	elsize;
+	char	class;
+	char	regno;
+	int	offset;
+	int	nloc;
+};
+
+/*
+ * for field selections
+ */
+struct tsel {
+	int	op;
+	int	type;
+	int	degree;
+	struct	tnode *tr1;
+	char	flen;
+	char	bitoffs;
+};
+
+struct	tconst {
+	int	cop;
+	int	ctype;
+	int	cdeg;
+	int	value;
+};
+
+struct	optab {
+	char	tabdeg1;
+	char	tabtyp1;
+	char	tabdeg2;
+	char	tabtyp2;
+	char	*tabstring;
+};
+
+struct	table {
+	int	tabop;
+	struct	optab *tabp;
+};
+
+struct	instab {
+	int	iop;
+	char	*str1;
+	char	*str2;
+};
+
+struct	swtab {
+	int	swlab;
+	int	swval;
+};
+
+char	maprel[];
+char	notrel[];
+int	nreg;
+int	isn;
+int	namsiz;
+int	line;
+char	ascbuf[518];
+int	nerror;
+struct	table	cctab[];
+struct	table	efftab[];
+struct	table	regtab[];
+struct	table	sptab[];
+struct	table	lsptab[];
+struct	instab	instab[];
+struct	instab	branchtab[];
+int	opdope[];
+char	*opntab[];
+int	nstack;
+int	nfloat;
+int	*spacep;
+int	treespace[ossiz];
+int	eolflg;
+struct tconst czero, cone, fczero;
+
+/*
+	operators
+*/
+#define	EOF	0
+#define	SEMI	1
+#define	LBRACE	2
+#define	RBRACE	3
+#define	LBRACK	4
+#define	RBRACK	5
+#define	LPARN	6
+#define	RPARN	7
+#define	COLON	8
+#define	COMMA	9
+#define	FSEL	10
+
+#define	KEYW	19
+#define	NAME	20
+#define	CON	21
+#define	STRING	22
+#define	FCON	23
+#define	SFCON	24
+
+#define	AUTOI	27
+#define	AUTOD	28
+#define	INCBEF	30
+#define	DECBEF	31
+#define	INCAFT	32
+#define	DECAFT	33
+#define	EXCLA	34
+#define	AMPER	35
+#define	STAR	36
+#define	NEG	37
+#define	COMPL	38
+
+#define	DOT	39
+#define	PLUS	40
+#define	MINUS	41
+#define	TIMES	42
+#define	DIVIDE	43
+#define	MOD	44
+#define	RSHIFT	45
+#define	LSHIFT	46
+#define	AND	47
+#define	NAND	55
+#define	OR	48
+#define	EXOR	49
+#define	ARROW	50
+#define	ITOF	51
+#define	FTOI	52
+#define	LOGAND	53
+#define	LOGOR	54
+#define	FTOL	56
+#define	LTOF	57
+#define	ITOL	58
+#define	LTOI	59
+
+#define	EQUAL	60
+#define	NEQUAL	61
+#define	LESSEQ	62
+#define	LESS	63
+#define	GREATEQ	64
+#define	GREAT	65
+#define	LESSEQP	66
+#define	LESSP	67
+#define	GREATQP	68
+#define	GREATP	69
+
+#define	ASPLUS	70
+#define	ASMINUS	71
+#define	ASTIMES	72
+#define	ASDIV	73
+#define	ASMOD	74
+#define	ASRSH	75
+#define	ASLSH	76
+#define	ASSAND	77
+#define	ASOR	78
+#define	ASXOR	79
+#define	ASSIGN	80
+#define	TAND	81
+#define	LTIMES	82
+#define	LDIV	83
+#define	LMOD	84
+#define	ASSNAND	85
+#define	LASTIMES 86
+#define	LASDIV	87
+#define	LASMOD	88
+
+#define	QUEST	90
+#define	LLSHIFT	91
+#define	ASLSHL	92
+#define	CALL1	98
+#define	CALL2	99
+#define	CALL	100
+#define	MCALL	101
+#define	JUMP	102
+#define	CBRANCH	103
+#define	INIT	104
+#define	SETREG	105
+#define	LOAD	106
+#define	RFORCE	110
+
+/*
+ * Intermediate code operators
+ */
+#define	BRANCH	111
+#define	LABEL	112
+#define	NLABEL	113
+#define	RLABEL	114
+#define	BDATA	200
+#define	WDATA	201
+#define	PROG	202
+#define	DATA	203
+#define	BSS	204
+#define	CSPACE	205
+#define	SSPACE	206
+#define	SYMDEF	207
+#define	SAVE	208
+#define	RETRN	209
+#define	EVEN	210
+#define	PROFIL	212
+#define	SWIT	213
+#define	EXPR	214
+#define	SNAME	215
+#define	RNAME	216
+#define	ANAME	217
+#define	NULL	218
+
+/*
+ *	types
+ */
+#define	INT	0
+#define	CHAR	1
+#define	FLOAT	2
+#define	DOUBLE	3
+#define	STRUCT	4
+#define	RSTRUCT	5
+#define	LONG	6
+
+#define	TYLEN	2
+#define	TYPE	07
+#define	XTYPE	(03<<3)
+#define	PTR	010
+#define	FUNC	020
+#define	ARRAY	030
+
+/*
+	storage	classes
+*/
+#define	KEYWC	1
+#define	MOS	10
+#define	AUTO	11
+#define	EXTERN	12
+#define	STATIC	13
+#define	REG	14
+#define	STRTAG	15
+#define	ARG	16
+#define	OFFS	20
+#define	XOFFS	21
+#define	SOFFS	22
+
+/*
+	Flag	bits
+*/
+
+#define	BINARY	01
+#define	LVALUE	02
+#define	RELAT	04
+#define	ASSGOP	010
+#define	LWORD	020
+#define	RWORD	040
+#define	COMMUTE	0100
+#define	RASSOC	0200
+#define	LEAF	0400
+#define	CNVRT	01000