6 #define INIT(x) /* empty */
14 /* Tunable constants */
16 #define MAXALLREG 5 /* Maximum number of allocates per rule */
17 #define MAXREGS BORS(36,32) /* Total number of registers */
18 #define MAXREGVARS 8 /* Maximum regvars per type */
19 #define MAXPROPS 16 /* Total number of register properties */
20 #define MAXTOKENS BORS(75,32) /* Different kind of tokens */
21 #define MAXSETS BORS(100,80) /* Number of tokenexpressions definable */
22 #define MAXEMPATLEN 25 /* Maximum length of EM-pattern/replacement */
23 #define TOKENSIZE 5 /* Maximum number of fields in token struct */
24 #define MAXINSTANCE BORS(250,120) /* Maximum number of different tokeninstances */
25 #define MAXSTRINGS BORS(800,400)/* Maximum number of different codestrings */
26 #define MAXPATTERN BORS(8000,6000) /* Maximum number of bytes in pattern[] */
27 #define MAXNODES BORS(500,400) /* Maximum number of expression nodes */
28 #define MAXMEMBERS 2 /* Maximum number of subregisters per reg */
29 #define NMOVES BORS(50,30) /* Maximum number of move definitions */
30 #define MAXC1 20 /* Maximum of coercions type 1 */
31 #define MAXC2 20 /* Maximum of coercions type 2 */
32 #define MAXC3 20 /* Maximum of coercions type 3 */
33 #define MAXSPLIT 4 /* Maximum degree of split */
34 #define MAXNSTR 40 /* Maximum consecutive strings in coderule */
36 extern char *hname INIT("tables.h");
37 extern char *cname INIT("tables.c");
38 extern char *iname; /* stdin */
40 /* Derived constants */
42 #define SETSIZE ((MAXREGS+1+MAXTOKENS+15)>>4)
43 #define PROPSETSIZE ((MAXPROPS+15)>>4)
51 #define MAXPATLEN 7 /* Maximum length of tokenpatterns */
54 typedef char * string;
56 extern char *myalloc();
58 #include <cg_pattern.h>
60 typedef struct list1str {
61 struct list1str *l1next;
64 typedef struct list2str {
65 struct list2str *l2next;
68 typedef struct list3str {
69 struct list3str *l3next;
73 typedef struct reginfo {
77 int rmembers[MAXMEMBERS];
79 short rprop[PROPSETSIZE];
82 typedef struct tokeninfo {
88 } t_fields[TOKENSIZE-1];
94 typedef struct ident {
111 extern ident_p identtab[ITABSIZE];
116 #define JUSTLOOKING 3
119 typedef struct expr {
128 extern unsigned cc1 INIT(1),cc2 INIT(1),cc3 INIT(1),cc4 INIT(1);
130 extern node_t nodes[MAXNODES];
131 extern node_p lastnode INIT(nodes+1);
133 extern string codestrings[MAXSTRINGS];
134 extern int ncodestrings;
136 extern int strar[MAXNSTR];
139 extern int pathash[256];
141 extern reginfo machregs[MAXREGS];
142 extern char stregclass[MAXREGS];
143 extern int nmachregs INIT(1);
144 extern int nregclasses INIT(1);
145 extern int maxmembers;
149 } machprops[MAXPROPS];
151 extern token_t machtokens[MAXTOKENS];
152 extern int nmachtokens INIT(1);
153 extern set_t machsets[MAXSETS];
154 extern int nmachsets;
155 extern int patmnem[MAXEMPATLEN];
157 extern int maxempatlen;
158 extern int empatexpr;
159 extern int maxrule INIT(1);
160 extern int pattokexp[MAXPATLEN];
161 extern int tokpatlen;
162 extern int lookident; /* lexical analyzer flag */
163 extern list3 structpool;
165 extern int allreg[MAXALLREG];
166 extern int maxallreg;
169 extern int curtokexp;
170 extern expr_t arexp[TOKENSIZE];
172 extern inst_t arinstance[MAXINSTANCE];
173 extern int narinstance INIT(1);
174 extern move_t machmoves[NMOVES];
176 extern byte pattern[MAXPATTERN];
177 extern int npatbytes;
179 extern int rulecount; /* Temporary index for ... construct */
180 extern int ncoderules;
181 extern int codebytes;
184 extern int maxtokensize;
186 extern int emrepllen;
187 extern int replmnem[MAXEMPATLEN];
188 extern int tokrepllen;
189 extern int replinst[MAXPATLEN];
190 extern int replexpr[MAXPATLEN];
191 extern c1_t c1coercs[MAXC1];
192 extern c2_t c2coercs[MAXC2];
193 extern c3_t c3coercs[MAXC3];
194 extern int nc1,nc2,nc3;
196 extern int wsize INIT(-1);
197 extern int psize INIT(-1);
198 extern int bsize INIT(-1);
201 extern int cchandled;
202 extern int ccspoiled;
203 extern int ccregexpr;
204 extern int ccinstanceno;
205 extern int cocopropno;
206 extern int cocosetno;
209 extern int rvused; /* regvars used */
210 extern int nregvar[4]; /* # of register variables of all kinds */
211 extern int rvnumbers[4][MAXREGVARS]; /* The register numbers */
213 #define chktabsiz(size,maxsize,which) if(size>=maxsize) tabovf(which)
215 #define MUST1BEINT(e) int exp1=e.expr_index;tstint(e)
216 #define MUST2BEINT(e1,e2) int exp1=e1.expr_index,exp2=e2.expr_index;tstint(e1);tstint(e2)
217 #define MUST1BEBOOL(e) int exp1=e.expr_index;tstbool(e)
218 #define MUST2BEBOOL(e1,e2) int exp1=e1.expr_index,exp2=e2.expr_index;tstbool(e1);tstbool(e2)
220 extern ident_p ilookup();
221 extern list2 lookstruct();
222 extern string scopy();
223 extern unsigned hash();