decs.c 6.51 KB
Newer Older
dcw's avatar
dcw committed
1
2
3
4
5
6
#include <dcw.h>
#include "struct.h"
#include "decs.h"


#ifdef HASPROTOS
dcw's avatar
dcw committed
7
8
9
10
11
12
13
14
15
16
static void init( FILE * , FILE * , char * );
static void data_decls( FILE * , declnlist );
static void one_proto( FILE * , char * , shapelist , BOOL );
static void protos( FILE * , declnlist , BOOL );
static void cons_fn_hdr( FILE * , char * , shapelist );
static void cons_fn_body( FILE * , char * , shapelist );
static void cons_fns( FILE * , declnlist );
static void print_fns( FILE * , declnlist );
static void print_fn_shape( FILE * , char * , shapelist );
static void print_param( FILE *, char * , char * , char * );
dcw's avatar
dcw committed
17
#else
dcw's avatar
dcw committed
18
19
20
21
22
23
24
25
26
27
static void init();
static void data_decls();
static void one_proto();
static void protos();
static void cons_fn_hdr();
static void cons_fn_body();
static void cons_fns();
static void print_fns();
static void print_fn_shape();
static void print_param();
dcw's avatar
dcw committed
28
29
30
#endif


dcw's avatar
dcw committed
31
static void init( h, c, basename ) FILE *c, *h; char *basename;
dcw's avatar
dcw committed
32
33
34
35
{
	fprintf( h, "/*\n" );
	fprintf( h, "\tAutomatically Generated by DataDec\n" );
	fprintf( h, " */\n\n");
dcw's avatar
dcw committed
36
37
	fprintf( h, "typedef char *string;\n\n" );
	fprintf( h, "typedef char BOOL;\n" );
dcw's avatar
dcw committed
38
39
	fprintf( h, "#define TRUE 1\n" );
	fprintf( h, "#define FALSE 0\n\n" );
dcw's avatar
dcw committed
40
41
42
43
44

	fprintf( c, "/*\n" );
	fprintf( c, "\tAutomatically Generated by DataDec\n" );
	fprintf( c, " */\n\n");

dcw's avatar
dcw committed
45
46
47
	fprintf( c, "#include <stdio.h>\n" );
	fprintf( c, "#include \"%s.h\"\n\n\n", basename );

dcw's avatar
dcw committed
48
	fprintf( c, "#define NEW(t) ((t *)malloc(sizeof(t)))\n\n\n" );
dcw's avatar
dcw committed
49
50
51
}


dcw's avatar
dcw committed
52
static void data_decls( f, dl ) FILE *f; declnlist dl;
dcw's avatar
dcw committed
53
54
55
56
57
58
59
60
{
	declnlist d;
	char *name;
	shapelist s;
	int n;
	char *tag;
	paramlist p;

dcw's avatar
dcw committed
61
62
	for( d=dl; d; d=d->next )
	{
dcw's avatar
dcw committed
63
64
65
		name = d->name;
		fprintf( f, "typedef struct %s_str *%s;\n", name, name );
	}
dcw's avatar
dcw committed
66
67
68
	fprintf( f, "\n\n" );
	for( d=dl; d; d=d->next )
	{
dcw's avatar
dcw committed
69
70
71
		name = d->name;
		fprintf( f, "/* ---- Type %s ---- */\n\n", name );
		n = 0;
dcw's avatar
dcw committed
72
73
		for( s = d->shapes; s; s=s->next )
		{
dcw's avatar
dcw committed
74
75
76
77
78
			fprintf( f, "#define %s_%s_tag %d\n",
				name, s->tagname, n++ );
		}
		fprintf( f, "\nstruct %s_str {\n", name );
		fprintf( f, "\tint\ttag;\n" );
dcw's avatar
dcw committed
79
		fprintf( f, "\tunion {\n" );
dcw's avatar
dcw committed
80
81
		for( s = d->shapes; s; s=s->next )
		{
dcw's avatar
dcw committed
82
			if( s->params )
dcw's avatar
dcw committed
83
			{
dcw's avatar
dcw committed
84
85
86
87
88
89
90
				fprintf( f, "\t\tstruct {\n" );
				for( p = s->params; p; p=p->next )
				{
					fprintf( f, "\t\t\t%s\t%s;\n",
						p->type, p->name );
				}
				fprintf( f, "\t\t} %s;\n", s->tagname );
dcw's avatar
dcw committed
91
92
			}
		}
dcw's avatar
dcw committed
93
		fprintf( f, "\t} u;\n};\n\n" );
dcw's avatar
dcw committed
94
95
96
97
	}
}


dcw's avatar
dcw committed
98
static void one_proto( f, name, s, protos ) FILE *f; char *name; shapelist s; BOOL protos;
dcw's avatar
dcw committed
99
100
101
102
103
104
105
{
	char *tag;
	paramlist p;
	BOOL first;

	tag = s->tagname;
	fprintf( f, "extern %s %s_%s( ", name, name, tag );
dcw's avatar
dcw committed
106
107
108
109
110
111
112
	if( protos )
	{
		if( s->params == NULL )
		{
			fprintf( f, "void " );
		} else
		{
dcw's avatar
dcw committed
113
			first = TRUE;
dcw's avatar
dcw committed
114
115
			for( p = s->params; p ; p=p->next, first=FALSE )
			{
dcw's avatar
dcw committed
116
				if( !first ) fprintf( f, ", " );
dcw's avatar
dcw committed
117
				fprintf( f, "%s ", p->type );
dcw's avatar
dcw committed
118
119
120
			}
		}
	}
dcw's avatar
dcw committed
121
	fprintf( f, ");\n" );
dcw's avatar
dcw committed
122
123
124
}


dcw's avatar
dcw committed
125
static void protos( f, d, protos ) FILE *f; declnlist d; BOOL protos;
dcw's avatar
dcw committed
126
127
{
	char *name;
dcw's avatar
dcw committed
128
	declnlist dl;
dcw's avatar
dcw committed
129
130
	shapelist s;

dcw's avatar
dcw committed
131
132
133
134
135
136
	for( dl=d; dl; dl = dl->next )
	{
		name = dl->name;
		for( s = dl->shapes; s; s=s->next )
		{
			one_proto( f, name, s, protos );
dcw's avatar
dcw committed
137
138
		}
	}
dcw's avatar
dcw committed
139
140
141
142
143
144
	for( dl=d; dl; dl = dl->next )
	{
		fprintf( f, "extern void print_%s( ", dl->name );
		if( protos ) fprintf( f, "%s ", dl->name );
		fprintf( f, ");\n" );
	}
dcw's avatar
dcw committed
145
146
147
}


dcw's avatar
dcw committed
148
static void cons_fn_hdr( f, name, s ) FILE *f; char *name; shapelist s;
dcw's avatar
dcw committed
149
150
151
152
153
154
155
156
{
	char *tag;
	paramlist p;
	BOOL first;

	tag = s->tagname;
	fprintf( f, "%s %s_%s( ", name, name, tag );
	first = TRUE;
dcw's avatar
dcw committed
157
158
	for( p=s->params; p; p=p->next, first=FALSE )
	{
dcw's avatar
dcw committed
159
160
161
162
		if( !first ) fprintf( f, ", " );
		fprintf( f, "%s", p->name );
	}
	fprintf( f, " ) " );
dcw's avatar
dcw committed
163
164
165
	for( p=s->params; p; p=p->next )
	{
		fprintf( f, "%s %s; ", p->type, p->name );
dcw's avatar
dcw committed
166
167
168
169
170
	}
	fputc( '\n', f );
}


dcw's avatar
dcw committed
171
static void cons_fn_body( f, name, s ) FILE *f; char *name; shapelist s;
dcw's avatar
dcw committed
172
173
174
175
176
177
178
179
{
	char *tag;
	paramlist p;

	tag = s->tagname;
	fprintf( f, "{\n\t%s new;\n\n", name );
	fprintf( f, "\tnew = NEW( struct %s_str );\n", name );
	fprintf( f, "\tnew->tag = %s_%s_tag;\n", name, tag );
dcw's avatar
dcw committed
180
181
	for( p=s->params; p; p=p->next )
	{
dcw's avatar
dcw committed
182
		fprintf( f, "\tnew->u.%s.%s = %s;\n", tag, p->name, p->name );
dcw's avatar
dcw committed
183
184
185
186
187
	}
	fprintf( f, "\treturn new;\n}\n" );
}


dcw's avatar
dcw committed
188
static void cons_fns( f, d ) FILE *f; declnlist d;
dcw's avatar
dcw committed
189
190
191
192
{
	char *name;
	shapelist s;

dcw's avatar
dcw committed
193
194
	for( ; d; d=d->next )
	{
dcw's avatar
dcw committed
195
		name = d->name;
dcw's avatar
dcw committed
196
197
198
199
		for( s = d->shapes; s; s=s->next )
		{
			cons_fn_hdr( f, name, s );
			cons_fn_body( f, name, s );
dcw's avatar
dcw committed
200
201
202
203
204
205
			fprintf( f, "\n\n" );
		}
	}
}


dcw's avatar
dcw committed
206
207
208
209
static void print_param( f, shape, ftype, fname ) FILE *f; char *shape, *ftype, *fname;
{
	char pname[200];

dcw's avatar
dcw committed
210
	sprintf( pname, "p->u.%s.%s", shape, fname );
dcw's avatar
dcw committed
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
	if( streq( ftype, "int" ) )
	{
		fprintf( f, "\t\tfprintf( f, \"%%d\", %s );\n", pname );
	} else if( streq( ftype, "char" ) )
	{
		fprintf( f, "\t\tfprintf( f, \"%%c\", %s );\n", pname );
	} else if( streq( ftype, "BOOL" ) )
	{
		fprintf( f, "\t\tfprintf( f, \"%%s\", %s?\"true\":\"false\" );\n",
			pname );
	} else if( streq( ftype, "string" ) )
	{
		fprintf( f, "\t\tfprintf( f, \"%%s\", %s );\n", pname );
	} else
	{
		fprintf( f, "\t\tprint_%s( f, %s );\n", ftype, pname );
	}
}


static void print_fn_shape( f, typename, s ) FILE *f; char *typename; shapelist s;
{
	printlist pl;
	paramlist p;
	int n;

	fprintf( f, "\tcase %s_%s_tag:\n", typename, s->tagname );

	if( s->pl == NULL )
	{
		for( p = s->params; p; p = p->next )
		{
			print_param( f, s->tagname, p->type, p->name );
		}
	} else
	{
		for( pl = s->pl; pl; pl = pl->next )
		{
			if( pl->item->tag == printitem_is_str )
			{
				fprintf( f, "\t\tfprintf( f, \"%s\" );\n",
					pl->item->str );
			} else
			{
				n = pl->item->num;
				for( p = s->params; --n; p = p->next )
				{
					ASSERT( p != NULL,
("datadec: bad printitem in shape %s of type %s\n",s->tagname,typename));
				}
				print_param( f, s->tagname, p->type, p->name );
			}
		}
	}
	fprintf( f, "\t\tbreak;\n" );
}


static void print_fns( f, d ) FILE *f ; declnlist d;
{
	shapelist s;

	for( ; d; d = d->next )
	{
		fprintf( f, "void print_%s( f, p ) FILE *f; %s p;\n",
			d->name, d->name );
		fprintf( f, "{\n\tswitch( p->tag )\n\t{\n" );
		for( s = d->shapes; s; s = s->next )
		{
			print_fn_shape( f, d->name, s );
		}
		fprintf( f, "\tdefault:\n" );
dcw's avatar
dcw committed
283
		fprintf( f, "\t\tfprintf( stderr," );
dcw's avatar
dcw committed
284
		fprintf( f,
dcw's avatar
dcw committed
285
286
287
		" \"print_%s: impossible tag %%d\\n\", p->tag );\n",
		d->name );
		fprintf( f, "\t\texit(1);\n\t}\n}\n\n" );
dcw's avatar
dcw committed
288
289
290
	}
}

dcw's avatar
dcw committed
291
292
293
294
void make_declns( d, c, h, basename ) declnlist d; FILE *c, *h; char *basename;
{
	printf( "Making data declarations\n" );

dcw's avatar
dcw committed
295
	init( h, c, basename );
dcw's avatar
dcw committed
296

dcw's avatar
dcw committed
297
	data_decls( h, d );
dcw's avatar
dcw committed
298
299

	fprintf( h, "#ifdef HASPROTOS\n" );
dcw's avatar
dcw committed
300
	protos( h, d, TRUE );
dcw's avatar
dcw committed
301
	fprintf( h, "#else\n" );
dcw's avatar
dcw committed
302
	protos( h, d, FALSE );
dcw's avatar
dcw committed
303
304
	fprintf( h, "#endif\n" );

dcw's avatar
dcw committed
305
306
	cons_fns( c, d );
	print_fns( c, d );
dcw's avatar
dcw committed
307
}