#include "lib9.h"#include <bio.h>#include <ctype.h>#include "../include/isa.h" enum{	Eof		= -1,	False		= 0,	True		= 1,	Strsize		= 1024,	Hashsize	= 128}; typedef struct Addr	Addr;typedef struct Inst	Inst;typedef struct String	String;typedef struct Sym	Sym;typedef struct Keywd	Keywd;typedef struct Desc	Desc;typedef struct Array	Array;typedef struct List	List;typedef struct Link	Link; struct Addr{	uchar	mode;	ushort	off;	long	val;	Sym*	sym;}; struct List{	List*	link;	int	addr;	int	type;	union {		vlong	ival;		double	fval;		String*	str;		Array*	a;	}u;}; struct Inst{	uchar	op;	uchar	type;	int	size;	Addr*	reg;	Addr*	src;	Addr*	dst;	ulong	pc;	Sym*	sym;	Inst*	link;}; struct String{	int	len;	String*	next;	char*	string;}; struct Sym{	char*	name;	int	lexval;	Sym*	hash;	int	value;	int	ds;}; struct Desc{	int	id;	int	size;	int	np;	uchar*	map;	Desc*	link;}; struct Array{	int	i;	int	size;}; struct Link{	int	desc;	int	addr;	int	type;	char*	name;	Link*	link;}; Sym*	enter(char*, int);Sym*	lookup(char*);void	yyerror(char*, ...);void	fatal(char*, ...);void	diag(char*, ...);int	numsym(char);int	mpatof(char*, double*);void	kinit(void);Inst*	ai(int);Addr*	aa(int);void	assem(Inst*);int	iconv(Fmt*);int	aconv(Fmt*);int	opcode(Inst*);void	heap(int, int, String*);List*	newa(int, int);List*	newi(vlong, List*);List*	news(String*, List*);void	data(int, int, List*);void	dout(void);void	ext(int, int, String*);void	mklink(int, int, int, String*);vlong	dtocanon(double);void	ldts(int);void excs(int);void exc(int, int, int, int, int, int);void etab(String*, int);void source(String*); int	yyparse(void);int	yylex(void); extern	Biobuf*	bout;extern	int	nerr;extern	int	heapid;extern	Desc*	dlist;extern	int	dcount;extern	int	dseg;extern	List*	mdata;extern	Sym*	module;extern	Link*	links;extern	Link*	linkt;extern	int	nlink;extern	int	listing;extern	int	dontcompile;extern	int	mustcompile;extern	int	dentry;extern	int	pcentry; #pragma varargck	type	"i"	Inst*#pragma	varargck	type	"a"	Addr*