aboutsummaryrefslogtreecommitdiff
path: root/src/cmd/acid/acid.h
blob: a26781c0f1eaf65f5c72d4fcae7589c2d22bbd98 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
/* acid.h */
enum
{
	Eof		= -1,
	Strsize		= 4096,
	Hashsize	= 128,
	Maxarg		= 512,
	NFD		= 100,
	Maxproc		= 50,
	Maxval		= 10,
	Mempergc	= 1024*1024,
};

/* #pragma varargck type "L"	void */

typedef struct Node	Node;
typedef struct String	String;
typedef struct Lsym	Lsym;
typedef struct List	List;
typedef struct Store	Store;
typedef struct Gc	Gc;
typedef struct Strc	Strc;
typedef struct Rplace	Rplace;
typedef struct Ptab	Ptab;
typedef struct Value	Value;
typedef struct Type	Type;
typedef struct Frtype	Frtype;

Extern int	kernel;
Extern int nlcount;
Extern int	remote;
Extern int	text;
Extern int cor;
Extern int	silent;
Extern Fhdr	*fhdr;
Extern Fhdr	*chdr;
Extern int	line;
Extern Biobuf*	bout;
Extern Biobuf*	io[32];
Extern int	iop;
Extern int pid;
Extern char	symbol[Strsize];
Extern int	interactive;
Extern Node*	code;
Extern int	na;
Extern int	wtflag;
Extern Regs*	correg;
Extern Map*	cormap;
Extern Map*	symmap;
Extern Lsym*	hash[Hashsize];
Extern long	dogc;
Extern Rplace*	ret;
Extern char*	symfil;
Extern char*	corfil;
Extern int	gotint;
Extern long	flen;
Extern Gc*	gcl;
Extern int	stacked;
#define err aciderrjmp
Extern jmp_buf	err;
Extern Node*	prnt;
Extern Node*	fomt;
Extern List*	tracelist;
Extern int	initialising;
Extern int	quiet;
Extern Fhdr*	corhdr;
Extern Fhdr*	symhdr;

extern void	(*expop[])(Node*, Node*);
#define expr(n, r) (r)->store.comt=0; (*expop[(unsigned char)((n)->op)])(n, r);

enum
{
	TINT,
	TFLOAT,
	TSTRING,
	TLIST,
	TCODE,
	NUMT,
};

struct Type
{
	Type*	next;
	int	offset;
	char	fmt;
	char	depth;
	Lsym*	type;
	Lsym*	tag;
	Lsym*	base;
};

struct Frtype
{
	Lsym*	var;
	Type*	type;
	Frtype*	next;
};

struct Ptab
{
	int	pid;
/*	int	ctl; */
};
Extern Ptab	ptab[Maxproc];

struct Rplace
{
	jmp_buf	rlab;
	Node*	stak;
	Node*	val;
	Lsym*	local;
	Lsym**	tail;
};

struct Gc
{
	char	gcmark;
	Gc*	gclink;
};

struct Store
{
	char	fmt;
	Type*	comt;
	union {
		vlong	ival;
		double	fval;
		String*	string;
		List*	l;
		Node*	cc;
	} u;
};

struct List
{
	Gc gc;
	List*	next;
	char	type;
	Store store;
};

struct Value
{
	char	set;
	char	type;
	Store store;
	Value*	pop;
	Lsym*	scope;
	Rplace*	ret;
};

struct Lsym
{
	char*	name;
	int	lexval;
	Lsym*	hash;
	Value*	v;
	Type*	lt;
	Node*	proc;
	Frtype*	local;
	void	(*builtin)(Node*, Node*);
};

struct Node
{
	Gc gc;
	char	op;
	char	type;
	Node*	left;
	Node*	right;
	Lsym*	sym;
	int	builtin;
	Store store;
};
#define ZN	(Node*)0

struct String
{
	Gc gc;
	char	*string;
	int	len;
};

List*	addlist(List*, List*);
void	addvarsym(Fhdr*);
List*	al(int);
Node*	an(int, Node*, Node*);
void	append(Node*, Node*, Node*);
int	bool(Node*);
void	build(Node*);
void	call(char*, Node*, Node*, Node*, Node*);
void	catcher(void*, char*);
void	checkqid(int, int);
void	cmd(void);
Node*	con(int);
List*	construct(Node*);
void	ctrace(int);
void	decl(Node*);
void	defcomplex(Node*, Node*);
void	deinstall(int);
void	delete(List*, int n, Node*);
void	delvarsym(char*);
void	dostop(int);
Lsym*	enter(char*, int);
void	error(char*, ...);
void	execute(Node*);
void	fatal(char*, ...);
ulong	findframe(ulong);
void	flatten(Node**, Node*);
void	gc(void);
char*	getstatus(int);
void*	gmalloc(long);
void	indir(Map*, ulong, char, Node*);
void	initexpr(void);
void	initprint(void);
void	installbuiltin(void);
void	kinit(void);
int	Zfmt(Fmt*);
int	listcmp(List*, List*);
int	listlen(List*);
List*	listvar(char*, long);
void	loadmodule(char*);
void	loadvars(void);
Lsym*	look(char*);
void	ltag(char*);
void	marklist(List*);
Lsym*	mkvar(char*);
void	msg(int, char*);
void	notes(int);
int	nproc(char**);
void	nthelem(List*, int, Node*);
int	numsym(char);
void	odot(Node*, Node*);
void	pcode(Node*, int);
void	pexpr(Node*);
int	popio(void);
void	pstr(String*);
void	pushfd(int);
void	pushfile(char*);
void	pushstr(Node*);
ulong	raddr(char*);
void	readtext(char*);
void	readcore(void);
void	restartio(void);
String	*runenode(Rune*);
int	scmp(String*, String*);
void	sproc(int);
String*	stradd(String*, String*);
String*	strnode(char*);
String*	strnodlen(char*, int);
#define system acidsystem
char*	system(void);
int	trlist(Map*, Regs*, ulong, ulong, Symbol*, int);
void	unwind(void);
void	userinit(void);
void	varreg(void);
void	varsym(void);
Waitmsg*	waitfor(int);
void	whatis(Lsym*);
void	windir(Map*, Node*, Node*, Node*);
void	yyerror(char*, ...);
int	yylex(void);
int	yyparse(void);

enum
{
	ONAME,
	OCONST,
	OMUL,
	ODIV,
	OMOD,
	OADD,
	OSUB,
	ORSH,
	OLSH,
	OLT,
	OGT,
	OLEQ,
	OGEQ,
	OEQ,
	ONEQ,
	OLAND,
	OXOR,
	OLOR,
	OCAND,
	OCOR,
	OASGN,
	OINDM,
	OEDEC,
	OEINC,
	OPINC,
	OPDEC,
	ONOT,
	OIF,
	ODO,
	OLIST,
	OCALL,
	OCTRUCT,
	OWHILE,
	OELSE,
	OHEAD,
	OTAIL,
	OAPPEND,
	ORET,
	OINDEX,
	OINDC,
	ODOT,
	OLOCAL,
	OFRAME,
	OCOMPLEX,
	ODELETE,
	OCAST,
	OFMT,
	OEVAL,
	OWHAT,
	NUMO,
};