Subversion Repositories planix.SVN

Rev

Rev 2 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
2 - 1 
#include <u.h>
2 
#include <libc.h>
3 
#include <bio.h>
4 
#include "../5c/5.out.h"
5 
 
6 
#ifndef	EXTERN
7 
#define	EXTERN	extern
8 
#endif
9 
 
10 
typedef	struct	Sym	Sym;
11 
typedef	struct	Gen	Gen;
12 
typedef	struct	Io	Io;
13 
typedef	struct	Hist	Hist;
14 
 
15 
#define	MAXALIGN	7
16 
#define	FPCHIP		1
17 
#define	NSYMB		8192
18 
#define	BUFSIZ		8192
19 
#define	HISTSZ		20
20 
#define	NINCLUDE	10
21 
#define	NHUNK		10000
22 
#define	EOF		(-1)
23 
#define	IGN		(-2)
24 
#define	GETC()		((--fi.c < 0)? filbuf(): *fi.p++ & 0xff)
25 
#define	NHASH		503
26 
#define	STRINGSZ	200
27 
#define	NMACRO		10
28 
 
29 
struct	Sym
30 
{
31 
	Sym*	link;
32 
	char*	macro;
33 
	long	value;
34 
	ushort	type;
35 
	char	*name;
36 
	char	sym;
37 
};
38 
#define	S	((Sym*)0)
39 
 
40 
EXTERN	struct
41 
{
42 
	char*	p;
43 
	int	c;
44 
} fi;
45 
 
46 
struct	Io
47 
{
48 
	Io*	link;
49 
	char	b[BUFSIZ];
50 
	char*	p;
51 
	short	c;
52 
	short	f;
53 
};
54 
#define	I	((Io*)0)
55 
 
56 
EXTERN	struct
57 
{
58 
	Sym*	sym;
59 
	short	type;
60 
} h[NSYM];
61 
 
62 
struct	Gen
63 
{
64 
	Sym*	sym;
65 
	long	offset;
66 
	short	type;
67 
	short	reg;
68 
	short	name;
69 
	double	dval;
70 
	char	sval[8];
71 
};
72 
 
73 
struct	Hist
74 
{
75 
	Hist*	link;
76 
	char*	name;
77 
	long	line;
78 
	long	offset;
79 
};
80 
#define	H	((Hist*)0)
81 
 
82 
enum
83 
{
84 
	CLAST,
85 
	CMACARG,
86 
	CMACRO,
87 
	CPREPROC,
88 
 
89 
	Always	= 14,
90 
};
91 
 
92 
EXTERN	char	debug[256];
93 
EXTERN	Sym*	hash[NHASH];
94 
EXTERN	char*	Dlist[30];
95 
EXTERN	int	nDlist;
96 
EXTERN	Hist*	ehist;
97 
EXTERN	int	newflag;
98 
EXTERN	Hist*	hist;
99 
EXTERN	char*	hunk;
100 
EXTERN	char*	include[NINCLUDE];
101 
EXTERN	Io*	iofree;
102 
EXTERN	Io*	ionext;
103 
EXTERN	Io*	iostack;
104 
EXTERN	long	lineno;
105 
EXTERN	int	nerrors;
106 
EXTERN	long	nhunk;
107 
EXTERN	int	ninclude;
108 
EXTERN	Gen	nullgen;
109 
EXTERN	char*	outfile;
110 
EXTERN	int	pass;
111 
EXTERN	char*	pathname;
112 
EXTERN	long	pc;
113 
EXTERN	int	peekc;
114 
EXTERN	int	sym;
115 
EXTERN	char	symb[NSYMB];
116 
EXTERN	int	thechar;
117 
EXTERN	char*	thestring;
118 
EXTERN	long	thunk;
119 
EXTERN	Biobuf	obuf;
120 
 
121 
void*	alloc(long);
122 
void*	allocn(void*, long, long);
123 
void	errorexit(void);
124 
void	pushio(void);
125 
void	newio(void);
126 
void	newfile(char*, int);
127 
Sym*	slookup(char*);
128 
Sym*	lookup(void);
129 
void	syminit(Sym*);
130 
long	yylex(void);
131 
int	getc(void);
132 
int	getnsc(void);
133 
void	unget(int);
134 
int	escchar(int);
135 
void	cinit(void);
136 
void	pinit(char*);
137 
void	cclean(void);
138 
int	isreg(Gen*);
139 
void	outcode(int, int, Gen*, int, Gen*);
140 
void	zname(char*, int, int);
141 
void	zaddr(Gen*, int);
142 
void	ieeedtod(Ieee*, double);
143 
int	filbuf(void);
144 
Sym*	getsym(void);
145 
void	domacro(void);
146 
void	macund(void);
147 
void	macdef(void);
148 
void	macexpand(Sym*, char*);
149 
void	macinc(void);
150 
void	maclin(void);
151 
void	macprag(void);
152 
void	macif(int);
153 
void	macend(void);
154 
void	outhist(void);
155 
void	dodefine(char*);
156 
void	prfile(long);
157 
void	linehist(char*, int);
158 
void	gethunk(void);
159 
void	yyerror(char*, ...);
160 
int	yyparse(void);
161 
void	setinclude(char*);
162 
int	assemble(char*);
163 
 
164 
/*
165 
 *	system-dependent stuff from ../cc/compat.c
166 
 */
167 
 
168 
enum				/* keep in synch with ../cc/cc.h */
169 
{
170 
	Plan9	= 1<<0,
171 
	Unix	= 1<<1,
172 
	Windows	= 1<<2,
173 
};
174 
int	mywait(int*);
175 
int	mycreat(char*, int);
176 
int	systemtype(int);
177 
int	pathchar(void);
178 
int	myfork(void);
179 
void*	mysbrk(ulong);