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#include "cc.h"
2 
 
3 
static char *kwd[] =
4 
{
5 
	"$adt", "$aggr", "$append", "$complex", "$defn",
6 
	"$delete", "$do", "$else", "$eval", "$head", "$if",
7 
	"$local", "$loop", "$return", "$tail", "$then",
8 
	"$union", "$whatis", "$while",
9 
};
10 
static char picklestr[] = "\tpickle(s, un, ";
11 
 
12 
static char*
13 
pmap(char *s)
14 
{
15 
	int i, bot, top, new;
16 
 
17 
	bot = 0;
18 
	top = bot + nelem(kwd) - 1;
19 
	while(bot <= top){
20 
		new = bot + (top - bot)/2;
21 
		i = strcmp(kwd[new]+1, s);
22 
		if(i == 0)
23 
			return kwd[new];
24 
 
25 
		if(i < 0)
26 
			bot = new + 1;
27 
		else
28 
			top = new - 1;
29 
	}
30 
	return s;
31 
}
32 
 
33 
Sym*
34 
picklesue(Type *t)
35 
{
36 
	int h;
37 
	Sym *s;
38 
 
39 
	if(t != T)
40 
	for(h=0; h<nelem(hash); h++)
41 
		for(s = hash[h]; s != S; s = s->link)
42 
			if(s->suetag && s->suetag->link == t)
43 
				return s;
44 
	return 0;
45 
}
46 
 
47 
Sym*
48 
picklefun(Type *t)
49 
{
50 
	int h;
51 
	Sym *s;
52 
 
53 
	for(h=0; h<nelem(hash); h++)
54 
		for(s = hash[h]; s != S; s = s->link)
55 
			if(s->type == t)
56 
				return s;
57 
	return 0;
58 
}
59 
 
60 
char	picklechar[NTYPE];
61 
Init	picklecinit[] =
62 
{
63 
	TCHAR,		'C',	0,
64 
	TUCHAR,		'b',	0,
65 
	TSHORT,		'd',	0,
66 
	TUSHORT,		'u',	0,
67 
	TLONG,		'D',	0,
68 
	TULONG,		'U',	0,
69 
	TVLONG,		'V',	0,
70 
	TUVLONG,	'W',	0,
71 
	TFLOAT,		'f',	0,
72 
	TDOUBLE,		'F',	0,
73 
	TARRAY,		'a',	0,
74 
	TIND,		'X',	0,
75 
	-1,		0,	0,
76 
};
77 
 
78 
static void
79 
pickleinit(void)
80 
{
81 
	Init *p;
82 
 
83 
	for(p=picklecinit; p->code >= 0; p++)
84 
		picklechar[p->code] = p->value;
85 
 
86 
	picklechar[TINT] = picklechar[TLONG];
87 
	picklechar[TUINT] = picklechar[TULONG];
88 
	if(types[TINT]->width != types[TLONG]->width) {
89 
		picklechar[TINT] = picklechar[TSHORT];
90 
		picklechar[TUINT] = picklechar[TUSHORT];
91 
		if(types[TINT]->width != types[TSHORT]->width)
92 
			warn(Z, "picklemember int not long or short");
93 
	}
94 
 
95 
}
96 
 
97 
void
98 
picklemember(Type *t, long off)
99 
{
100 
	Sym *s, *s1;
101 
	static int picklecharinit = 0;
102 
 
103 
	if(picklecharinit == 0) {
104 
		pickleinit();
105 
		picklecharinit = 1;
106 
	}
107 
	s = t->sym;
108 
	switch(t->etype) {
109 
	default:
110 
		Bprint(&outbuf, "	T%d\n", t->etype);
111 
		break;
112 
 
113 
	case TIND:
114 
		if(s == S)
115 
			Bprint(&outbuf,
116 
				"%s\"p\", (char*)addr+%ld+_i*%ld);\n",
117 
				picklestr, t->offset+off, t->width);
118 
		else
119 
			Bprint(&outbuf,
120 
				"%s\"p\", &addr->%s);\n",
121 
				picklestr, pmap(s->name));
122 
		break;
123 
 
124 
	case TINT:
125 
	case TUINT:
126 
	case TCHAR:
127 
	case TUCHAR:
128 
	case TSHORT:
129 
	case TUSHORT:
130 
	case TLONG:
131 
	case TULONG:
132 
	case TVLONG:
133 
	case TUVLONG:
134 
	case TFLOAT:
135 
	case TDOUBLE:
136 
		if(s == S)
137 
			Bprint(&outbuf, "%s\"%c\", (char*)addr+%ld+_i*%ld);\n",
138 
				picklestr, picklechar[t->etype], t->offset+off, t->width);
139 
		else
140 
			Bprint(&outbuf, "%s\"%c\", &addr->%s);\n",
141 
				picklestr, picklechar[t->etype], pmap(s->name));
142 
		break;
143 
	case TARRAY:
144 
		Bprint(&outbuf, "\tfor(_i = 0; _i < %ld; _i++) {\n\t",
145 
			t->width/t->link->width);
146 
		picklemember(t->link, t->offset+off);
147 
		Bprint(&outbuf, "\t}\n\t_i = 0;\n\tUSED(_i);\n");
148 
		break;
149 
 
150 
	case TSTRUCT:
151 
	case TUNION:
152 
		s1 = picklesue(t->link);
153 
		if(s1 == S)
154 
			break;
155 
		if(s == S) {
156 
			Bprint(&outbuf, "\tpickle_%s(s, un, (%s*)((char*)addr+%ld+_i*%ld));\n",
157 
				pmap(s1->name), pmap(s1->name), t->offset+off, t->width);
158 
		} else {
159 
			Bprint(&outbuf, "\tpickle_%s(s, un, &addr->%s);\n",
160 
				pmap(s1->name), pmap(s->name));
161 
		}
162 
		break;
163 
	}
164 
}
165 
 
166 
void
167 
pickletype(Type *t)
168 
{
169 
	Sym *s;
170 
	Type *l;
171 
	Io *i;
172 
	int n;
173 
	char *an;
174 
 
175 
	if(!debug['P'])
176 
		return;
177 
	if(debug['P'] > 1) {
178 
		n = 0;
179 
		for(i=iostack; i; i=i->link)
180 
			n++;
181 
		if(n > 1)
182 
			return;
183 
	}
184 
	s = picklesue(t->link);
185 
	if(s == S)
186 
		return;
187 
	switch(t->etype) {
188 
	default:
189 
		Bprint(&outbuf, "T%d\n", t->etype);
190 
		return;
191 
 
192 
	case TUNION:
193 
	case TSTRUCT:
194 
		if(debug['s'])
195 
			goto asmstr;
196 
		an = pmap(s->name);
197 
 
198 
		Bprint(&outbuf, "void\npickle_%s(void *s, int un, %s *addr)\n{\n\tint _i = 0;\n\n\tUSED(_i);\n", an, an);
199 
		for(l = t->link; l != T; l = l->down)
200 
			picklemember(l, 0);
201 
		Bprint(&outbuf, "}\n\n");
202 
		break;
203 
	asmstr:
204 
		if(s == S)
205 
			break;
206 
		for(l = t->link; l != T; l = l->down)
207 
			if(l->sym != S)
208 
				Bprint(&outbuf, "#define\t%s.%s\t%ld\n",
209 
					s->name,
210 
					l->sym->name,
211 
					l->offset);
212 
		break;
213 
	}
214 
}
215 
 
216 
void
217 
picklevar(Sym *s)
218 
{
219 
	int n;
220 
	Io *i;
221 
	Type *t;
222 
	Sym *s1, *s2;
223 
 
224 
	if(!debug['P'] || debug['s'])
225 
		return;
226 
	if(debug['P'] > 1) {
227 
		n = 0;
228 
		for(i=iostack; i; i=i->link)
229 
			n++;
230 
		if(n > 1)
231 
			return;
232 
	}
233 
	t = s->type;
234 
	while(t && t->etype == TIND)
235 
		t = t->link;
236 
	if(t == T)
237 
		return;
238 
	if(t->etype == TENUM) {
239 
		Bprint(&outbuf, "%s = ", pmap(s->name));
240 
		if(!typefd[t->etype])
241 
			Bprint(&outbuf, "%lld;\n", s->vconst);
242 
		else
243 
			Bprint(&outbuf, "%f\n;", s->fconst);
244 
		return;
245 
	}
246 
	if(!typesu[t->etype])
247 
		return;
248 
	s1 = picklesue(t->link);
249 
	if(s1 == S)
250 
		return;
251 
	switch(s->class) {
252 
	case CAUTO:
253 
	case CPARAM:
254 
		s2 = picklefun(thisfn);
255 
		if(s2)
256 
			Bprint(&outbuf, "complex %s %s:%s;\n",
257 
				pmap(s1->name), pmap(s2->name), pmap(s->name));
258 
		break;
259 
 
260 
	case CSTATIC:
261 
	case CEXTERN:
262 
	case CGLOBL:
263 
	case CLOCAL:
264 
		Bprint(&outbuf, "complex %s %s;\n",
265 
			pmap(s1->name), pmap(s->name));
266 
		break;
267 
	}
268 
}