/*
	Copyright 1982
	Alcyon Corporation
	8716 Production Ave.
	San Diego, Ca.  92121
*/
#include "machine.h"
	/*
	 * intermediate code operators
	 * 0=>EOF, special operator
	 */
#define	EOF		0

	/*1-59=>operators that generate code (entries in code gen optab)*/
#define	ADD		1
#define	SUB		2
#define	MULT	3
#define	DIV		4
#define	MOD		5
#define	RSH		6
#define	LSH		7
#define	AND		8
#define	OR		9
#define	XOR		10
#define	NOT		11
#define	UMINUS	12
#define	COMPL	13
#define	PREDEC	14
#define	PREINC	15
#define	POSTDEC	16
#define	POSTINC	17
#define	ASSIGN	18
#define	EQADD	19
#define	EQSUB	20
#define	EQMULT	21
#define	EQDIV	22
#define	EQMOD	23
#define	EQRSH	24
#define	EQLSH	25
#define	EQAND	26
#define	EQOR	27
#define	EQXOR	28
#define	FJSR	29
#define	EQUALS	30
#define	NEQUALS	31
#define	GREAT	32
#define	GREATEQ	33
#define	LESS	34
#define	LESSEQ	35
#define	INT2L	36
#define	LONG2I	37

	/*machine dependent operators that generate code*/
#define	BTST	38
#define	LOAD	39
#define	LMULT	40
#define	LDIV	41
#define	LMOD	42
#define	LEQMULT	43
#define	LEQDIV	44
#define	LEQMOD	45
#define EQADDR	46
#define	EQNOT	47
#define	EQNEG	48
#define	DOCAST	49

#define STASSIGN	50	/*[vlh]*/
#define LONG2F	51		/*[vlh] 3.4*/
#define FLOAT2L	52		/*[vlh] 3.4*/
#define INT2F	53		/*[vlh] 3.4*/
#define FLOAT2I	54		/*[vlh] 3.4*/
#define	LCGENOP	55		/*change if adding more operators...*/

	/*intermediate code operators that do not generate code*/
#define	ADDR	60
#define	INDR	61
#define	LAND	62
#define	LOR		63
#define	QMARK	64
#define	COLON	65
#define	COMMA	66
#define	CINT	67
#define CLONG	68
#define	SYMBOL	69
#define	AUTOINC	70
#define	AUTODEC	71
#define	CALL	72
#define	NACALL	73
#define BFIELD	74
#define IFGOTO	75
#define	INIT	76
#define	CFORREG	77
#define	DCLONG	78
#define CFLOAT	79	/*[vlh] 3.4*/

	/*operators local to parser*/
#define CAST	80
#define	SEMI	81
#define	LCURBR	82
#define	RCURBR	83
#define	LBRACK	84
#define	RBRACK	85
#define	LPAREN	86
#define	RPAREN	87
#define	STRING	88
#define	RESWORD	89
#define	APTR	90
#define	PERIOD	91
#define SIZEOF	92
#define	MPARENS	93
#define	FRETURN	94
#define	STACKEND	100

	/*data types*/
#define	TYPELESS	0
#define	CHAR		1
#define	SHORT		2
#define	INT			3
#define	LONG		4
#define	UCHAR		5
#define	USHORT		6
#define UNSIGNED 	7
#define	ULONG		8
#define	FLOAT		9
#define	DOUBLE		10

	/*data types local to parser*/
#define	STRUCT		11
#define	FRSTRUCT	12
#define	LLABEL		13

	/*type flags and definitions*/
#define	TYPE		017
#define	SUPTYP		060
#define	ALLTYPE		077
#define	POINTER		020
#define	FUNCTION	040
#define	ARRAY		060
#define	SUTYPLEN	2

	/*data registers*/
#define	DREG0	0
#define	DREG2	2
#define	DREG3	3
#define	DREG4	4
#define	DREG5	5
#define	DREG6	6
#define	DREG7	7
#define	AREG3	11
#define	AREG4	12
#define	AREG5	13

	/*storage classes*/
#define	AUTO		1
#define	REGISTER	2
#define	EXTERNAL	3
#define	STATIC		4
#define	REGOFF		5
#define	EXTOFF		6
#define	STATOFF		7
#define	INDEXED		8

	/*exclusively code generator storage classes*/
#define	CINDR		9
#define	CLINDR		10
#define CFINDR		11	/* [vlh] 3.4 */

	/*exclusively parser storage classes*/
#define	STRPROTO	9
#define PDECLIST	10
#define	PARMLIST	11
#define	BFIELDCL	12
#define UNELCL		13
#define	STELCL		14


	/*opinfo table bits*/
#define	OPPRI		077
#define	OPBIN		0100
#define	OPLVAL		0200
#define	OPREL		0400
#define	OPASSIGN	01000
#define	OPLWORD		02000
#define	OPRWORD		04000
#define	OPCOM		010000
#define	OPRAS		020000
#define	OPTERM		040000
#define	OPCONVS		0100000

	/*68000 definitions*/
#define	PTRSIZE		4
#define	INTSIZE		2
#define	LONGSIZE	4
#define	SSIZE		8				/* chars per symbol */
#define	TRUE		1
#define	FALSE		0
#define TABC		'\t'			/* tab character */
#define EOLC		'\n'			/* end of line character */
#define	BITSPBYTE	8

	/*operator class priorities*/
#define	TRMPRI		0				/* terminal nodes */
#define	RPNPRI		1				/* ) and ] */
#define	CALPRI		2				/* in-stack call, ( or [ */
#define	COLPRI		3				/* init or case priority for : or , */
#define	STKPRI		4				/* priority of end of stack */
#define	COMPRI		5				/* normal priority for , */
#define	ASGPRI		6				/* =, +=, -=, *=, /=, %=, ... */
#define	QMKPRI		7				/* ?: */
#define	LORPRI		8				/* || */
#define	LNDPRI		9				/* && */
#define	ORPRI		10				/* |, ! */
#define	ANDPRI		11				/* & */
#define	EQLPRI		12				/* ==, != */
#define	RELPRI		13				/* >, <, >=, <= */
#define	SHFPRI		14				/* <<, >> */
#define	ADDPRI		15				/* +, - */
#define	MULPRI		16				/* *, /, % */
#define	UNOPRI		17				/* ++, --, &, *, -, ~, sizeof */
#define	LPNPRI		18				/* ., ->, [, (, function call */
#define	PSTPRI		19				/* in-stack post--, post++ */

struct io_buf {
	int io_fd;
	int io_nc;
	char *io_p;
	char io_b[512];
};

#ifdef PDP11
struct { short hiword; short loword; };
#endif
#ifdef MC68000
struct { short hiword; short loword; };
#endif
#ifdef VAX
struct { short loword; short hiword; };
#endif

#define	EXPSIZE		1024
int exprarea[EXPSIZE];

/* v6io buffer declaration */
#define BLEN	512

struct iobuf{
	int fildes;
	int nunused;
	char *xfree;
	char buff[BLEN];
};