Commit | Line | Data |
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57230eac TL |
1 | |
2 | # include <stdio.h> | |
3 | /* manifest constant file for the lex/yacc interface */ | |
4 | ||
5 | # define ERROR 1 | |
6 | # define NAME 2 | |
7 | # define STRING 3 | |
8 | # define ICON 4 | |
9 | # define FCON 5 | |
10 | # define PLUS 6 | |
11 | # define MINUS 8 | |
12 | # define MUL 11 | |
13 | # define AND 14 | |
14 | # define OR 17 | |
15 | # define ER 19 | |
16 | # define QUEST 21 | |
17 | # define COLON 22 | |
18 | # define ANDAND 23 | |
19 | # define OROR 24 | |
20 | ||
21 | /* special interfaces for yacc alone */ | |
22 | /* These serve as abbreviations of 2 or more ops: | |
23 | ASOP =, = ops | |
24 | RELOP LE,LT,GE,GT | |
25 | EQUOP EQ,NE | |
26 | DIVOP DIV,MOD | |
27 | SHIFTOP LS,RS | |
28 | ICOP ICR,DECR | |
29 | UNOP NOT,COMPL | |
30 | STROP DOT,STREF | |
31 | ||
32 | */ | |
33 | # define ASOP 25 | |
34 | # define RELOP 26 | |
35 | # define EQUOP 27 | |
36 | # define DIVOP 28 | |
37 | # define SHIFTOP 29 | |
38 | # define INCOP 30 | |
39 | # define UNOP 31 | |
40 | # define STROP 32 | |
41 | ||
42 | /* reserved words, etc */ | |
43 | # define TYPE 33 | |
44 | # define CLASS 34 | |
45 | # define STRUCT 35 | |
46 | # define RETURN 36 | |
47 | # define GOTO 37 | |
48 | # define IF 38 | |
49 | # define ELSE 39 | |
50 | # define SWITCH 40 | |
51 | # define BREAK 41 | |
52 | # define CONTINUE 42 | |
53 | # define WHILE 43 | |
54 | # define DO 44 | |
55 | # define FOR 45 | |
56 | # define DEFAULT 46 | |
57 | # define CASE 47 | |
58 | # define SIZEOF 48 | |
59 | # define ENUM 49 | |
60 | ||
61 | ||
62 | /* little symbols, etc. */ | |
63 | /* namely, | |
64 | ||
65 | LP ( | |
66 | RP ) | |
67 | ||
68 | LC { | |
69 | RC } | |
70 | ||
71 | LB [ | |
72 | RB ] | |
73 | ||
74 | CM , | |
75 | SM ; | |
76 | ||
77 | */ | |
78 | ||
79 | # define LP 50 | |
80 | # define RP 51 | |
81 | # define LC 52 | |
82 | # define RC 53 | |
83 | # define LB 54 | |
84 | # define RB 55 | |
85 | # define CM 56 | |
86 | # define SM 57 | |
87 | # define ASSIGN 58 | |
88 | ||
89 | /* END OF YACC */ | |
90 | ||
91 | /* left over tree building operators */ | |
92 | # define COMOP 59 | |
93 | # define DIV 60 | |
94 | # define MOD 62 | |
95 | # define LS 64 | |
96 | # define RS 66 | |
97 | # define DOT 68 | |
98 | # define STREF 69 | |
99 | # define CALL 70 | |
100 | # define FORTCALL 73 | |
101 | # define NOT 76 | |
102 | # define COMPL 77 | |
103 | # define INCR 78 | |
104 | # define DECR 79 | |
105 | # define EQ 80 | |
106 | # define NE 81 | |
107 | # define LE 82 | |
108 | # define LT 83 | |
109 | # define GE 84 | |
110 | # define GT 85 | |
111 | # define ULE 86 | |
112 | # define ULT 87 | |
113 | # define UGE 88 | |
114 | # define UGT 89 | |
115 | # define SETBIT 90 | |
116 | # define TESTBIT 91 | |
117 | # define RESETBIT 92 | |
118 | # define ARS 93 | |
119 | # define REG 94 | |
120 | # define OREG 95 | |
121 | # define CCODES 96 | |
122 | # define FREE 97 | |
123 | # define STASG 98 | |
124 | # define STARG 99 | |
125 | # define STCALL 100 | |
126 | ||
127 | /* some conversion operators */ | |
128 | # define FLD 103 | |
129 | # define SCONV 104 | |
130 | # define PCONV 105 | |
131 | # define PMCONV 106 | |
132 | # define PVCONV 107 | |
133 | ||
134 | /* special node operators, used for special contexts */ | |
135 | # define FORCE 108 | |
136 | # define CBRANCH 109 | |
137 | # define INIT 110 | |
138 | # define CAST 111 | |
139 | ||
140 | /* node types */ | |
141 | # define LTYPE 02 | |
142 | # define UTYPE 04 | |
143 | # define BITYPE 010 | |
144 | ||
145 | /* DSIZE is the size of the dope array */ | |
146 | # define DSIZE CAST+1 | |
147 | ||
148 | /* type names, used in symbol table building */ | |
149 | # define TNULL PTR /* pointer to UNDEF */ | |
150 | # define UNDEF 0 | |
151 | # define FARG 1 | |
152 | # define CHAR 2 | |
153 | # define SHORT 3 | |
154 | # define INT 4 | |
155 | # define LONG 5 | |
156 | # define FLOAT 6 | |
157 | # define DOUBLE 7 | |
158 | # define STRTY 8 | |
159 | # define UNIONTY 9 | |
160 | # define ENUMTY 10 | |
161 | # define MOETY 11 | |
162 | # define UCHAR 12 | |
163 | # define USHORT 13 | |
164 | # define UNSIGNED 14 | |
165 | # define ULONG 15 | |
166 | ||
167 | # define ASG 1+ | |
168 | # define UNARY 2+ | |
169 | # define NOASG (-1)+ | |
170 | # define NOUNARY (-2)+ | |
171 | ||
172 | /* various flags */ | |
173 | # define NOLAB (-1) | |
174 | ||
175 | /* type modifiers */ | |
176 | ||
177 | # define PTR 020 | |
178 | # define FTN 040 | |
179 | # define ARY 060 | |
180 | ||
181 | /* type packing constants */ | |
182 | ||
183 | # define TMASK 060 | |
184 | # define TMASK1 0300 | |
185 | # define TMASK2 0360 | |
186 | # define BTMASK 017 | |
187 | # define BTSHIFT 4 | |
188 | # define TSHIFT 2 | |
189 | ||
190 | /* macros */ | |
191 | ||
192 | # define MODTYPE(x,y) x = (x&(~BTMASK))|y /* set basic type of x to y */ | |
193 | # define BTYPE(x) (x&BTMASK) /* basic type of x */ | |
194 | # define ISUNSIGNED(x) ((x)<=ULONG&&(x)>=UCHAR) | |
195 | # define UNSIGNABLE(x) ((x)<=LONG&&(x)>=CHAR) | |
196 | # define ENUNSIGN(x) ((x)+(UNSIGNED-INT)) | |
197 | # define DEUNSIGN(x) ((x)+(INT-UNSIGNED)) | |
198 | # define ISPTR(x) ((x&TMASK)==PTR) | |
199 | # define ISFTN(x) ((x&TMASK)==FTN) /* is x a function type */ | |
200 | # define ISARY(x) ((x&TMASK)==ARY) /* is x an array type */ | |
201 | # define INCREF(x) (((x&~BTMASK)<<TSHIFT)|PTR|(x&BTMASK)) | |
202 | # define DECREF(x) (((x>>TSHIFT)&~BTMASK)|(x&BTMASK)) | |
203 | # define SETOFF(x,y) if( x%y != 0 ) x = ( (x/y + 1) * y) | |
204 | /* advance x to a multiple of y */ | |
205 | # define NOFIT(x,y,z) ( (x%z + y) > z ) | |
206 | /* can y bits be added to x without overflowing z */ | |
207 | /* pack and unpack field descriptors (size and offset) */ | |
208 | # define PKFIELD(s,o) ((o<<6)|s) | |
209 | # define UPKFSZ(v) (v&077) | |
210 | # define UPKFOFF(v) (v>>6) | |
211 | ||
212 | /* operator information */ | |
213 | ||
214 | # define TYFLG 016 | |
215 | # define ASGFLG 01 | |
216 | # define LOGFLG 020 | |
217 | ||
218 | # define SIMPFLG 040 | |
219 | # define COMMFLG 0100 | |
220 | # define DIVFLG 0200 | |
221 | # define FLOFLG 0400 | |
222 | # define LTYFLG 01000 | |
223 | # define CALLFLG 02000 | |
224 | # define MULFLG 04000 | |
225 | # define SHFFLG 010000 | |
226 | # define ASGOPFLG 020000 | |
227 | ||
228 | # define SPFLG 040000 | |
229 | ||
230 | #define optype(o) (dope[o]&TYFLG) | |
231 | #define asgop(o) (dope[o]&ASGFLG) | |
232 | #define logop(o) (dope[o]&LOGFLG) | |
233 | #define callop(o) (dope[o]&CALLFLG) | |
234 | ||
235 | /* table sizes */ | |
236 | ||
237 | # define BCSZ 100 /* size of the table to save break and continue labels */ | |
238 | # define SYMTSZ 450 /* size of the symbol table */ | |
239 | # define DIMTABSZ 750 /* size of the dimension/size table */ | |
240 | # define PARAMSZ 100 /* size of the parameter stack */ | |
241 | # ifndef FORT | |
242 | # define TREESZ 350 /* space for building parse tree */ | |
243 | # else | |
244 | # define TREESZ 1000 | |
245 | # endif | |
246 | # define SWITSZ 250 /* size of switch table */ | |
247 | ||
248 | # define NCHNAM 8 /* number of characters in a name */ | |
249 | ||
250 | /* common defined variables */ | |
251 | ||
252 | extern int nerrors; /* number of errors seen so far */ | |
253 | ||
254 | typedef union ndu NODE; | |
255 | typedef unsigned int TWORD; | |
256 | extern NODE *NIL; /* a pointer which will always have 0 in it */ | |
257 | extern int dope[]; /* a vector containing operator information */ | |
258 | extern char *opst[]; /* a vector containing names for ops */ | |
259 | ||
260 | # ifdef ONEPASS | |
261 | /* in one-pass operation, define the tree nodes */ | |
262 | ||
263 | union ndu { | |
264 | ||
265 | struct { | |
266 | int op; | |
267 | int rall; | |
268 | TWORD type; | |
269 | int su; | |
270 | char name[NCHNAM]; | |
271 | NODE *left; | |
272 | NODE *right; | |
273 | }; | |
274 | ||
275 | struct { | |
276 | int op; | |
277 | int rall; | |
278 | TWORD type; | |
279 | int su; | |
280 | char name[NCHNAM]; | |
281 | CONSZ lval; | |
282 | int rval; | |
283 | }; | |
284 | ||
285 | struct { | |
286 | int op, rall; | |
287 | TWORD type; | |
288 | int su; | |
289 | int label; /* for use with branching */ | |
290 | }; | |
291 | ||
292 | struct { | |
293 | int op, rall; | |
294 | TWORD type; | |
295 | int su; | |
296 | int stsize; /* sizes of structure objects */ | |
297 | int stalign; /* alignment of structure objects */ | |
298 | }; | |
299 | ||
300 | struct { | |
301 | int op; | |
302 | int cdim; | |
303 | TWORD type; | |
304 | int csiz; | |
305 | }; | |
306 | ||
307 | struct { | |
308 | /* this structure is used when a floating point constant | |
309 | is being computed */ | |
310 | int op; | |
311 | int cdim; | |
312 | TWORD type; | |
313 | int csiz; | |
314 | double dval; | |
315 | }; | |
316 | ||
317 | }; | |
318 | # endif |