223 lines
5.8 KiB
C
223 lines
5.8 KiB
C
#include <local.h>
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#ifdef extern
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#define INIT(x) = x
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#else
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#define INIT(x) /* empty */
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#endif
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#if BIGMACHINE
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#define BORS(x,y) x
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#else
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#define BORS(x,y) y
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#endif
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/* Tunable constants */
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#define MAXALLREG 5 /* Maximum number of allocates per rule */
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#define MAXREGS BORS(36,32) /* Total number of registers */
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#define MAXREGVARS 8 /* Maximum regvars per type */
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#define MAXPROPS 16 /* Total number of register properties */
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#define MAXTOKENS BORS(75,32) /* Different kind of tokens */
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#define MAXSETS BORS(100,80) /* Number of tokenexpressions definable */
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#define MAXEMPATLEN 25 /* Maximum length of EM-pattern/replacement */
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#define TOKENSIZE 5 /* Maximum number of fields in token struct */
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#define MAXINSTANCE BORS(250,120) /* Maximum number of different tokeninstances */
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#define MAXSTRINGS BORS(800,400)/* Maximum number of different codestrings */
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#define MAXPATTERN BORS(8000,6000) /* Maximum number of bytes in pattern[] */
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#define MAXNODES BORS(500,400) /* Maximum number of expression nodes */
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#define MAXMEMBERS 2 /* Maximum number of subregisters per reg */
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#define NMOVES BORS(50,30) /* Maximum number of move definitions */
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#define MAXC1 20 /* Maximum of coercions type 1 */
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#define MAXC2 20 /* Maximum of coercions type 2 */
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#define MAXC3 20 /* Maximum of coercions type 3 */
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#define MAXSPLIT 4 /* Maximum degree of split */
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#define MAXNSTR 40 /* Maximum consecutive strings in coderule */
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extern char *hname INIT("tables.h");
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extern char *cname INIT("tables.c");
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extern char *iname; /* stdin */
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/* Derived constants */
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#define SETSIZE ((MAXREGS+1+MAXTOKENS+15)>>4)
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#define PROPSETSIZE ((MAXPROPS+15)>>4)
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#define BMASK 0377
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#define BSHIFT 8
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#define TRUE 1
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#define FALSE 0
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#define MAXPATLEN 7 /* Maximum length of tokenpatterns */
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typedef char byte;
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typedef char * string;
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extern char *myalloc();
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#include <cg_pattern.h>
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typedef struct list1str {
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struct list1str *l1next;
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string l1name;
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} *list1;
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typedef struct list2str {
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struct list2str *l2next;
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list1 l2list;
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} *list2;
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typedef struct list3str {
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struct list3str *l3next;
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list2 l3list;
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} *list3;
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typedef struct reginfo {
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string rname;
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string rrepr;
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int rsize;
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int rmembers[MAXMEMBERS];
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int rregvar;
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short rprop[PROPSETSIZE];
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} *reginfo;
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typedef struct tokeninfo {
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string t_name;
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list2 t_struct;
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struct {
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int t_type;
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string t_sname;
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} t_fields[TOKENSIZE-1];
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int t_size;
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cost_t t_cost;
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int t_format;
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} token_t,*token_p;
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typedef struct ident {
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struct ident *i_next;
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string i_name;
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int i_type;
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# define IREG 1
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# define IPRP 2
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# define ITOK 3
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# define IEXP 4
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union {
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int i_regno;
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int i_prpno;
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int i_tokno;
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int i_expno;
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} i_i;
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} ident_t,*ident_p;
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#define ITABSIZE 32
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extern ident_p identtab[ITABSIZE];
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#define LOOKUP 0
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#define HALFWAY 1
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#define ENTER 2
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#define JUSTLOOKING 3
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typedef struct expr {
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int expr_typ;
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# define TYPINT 1
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# define TYPREG 2
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# define TYPSTR 3
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# define TYPBOOL 4
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int expr_index;
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} expr_t,*expr_p;
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extern unsigned cc1 INIT(1),cc2 INIT(1),cc3 INIT(1),cc4 INIT(1);
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extern node_t nodes[MAXNODES];
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extern node_p lastnode INIT(nodes+1);
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extern string codestrings[MAXSTRINGS];
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extern int ncodestrings;
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extern int strar[MAXNSTR];
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extern int nstr;
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extern int pathash[256];
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extern reginfo machregs[MAXREGS];
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extern char stregclass[MAXREGS];
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extern int nmachregs INIT(1);
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extern int nregclasses INIT(1);
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extern int maxmembers;
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extern struct {
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ident_p propname;
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set_t propset;
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} machprops[MAXPROPS];
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extern int nprops;
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extern token_t machtokens[MAXTOKENS];
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extern int nmachtokens INIT(1);
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extern set_t machsets[MAXSETS];
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extern int nmachsets;
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extern int patmnem[MAXEMPATLEN];
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extern int empatlen;
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extern int maxempatlen;
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extern int empatexpr;
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extern int maxrule INIT(1);
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extern int pattokexp[MAXPATLEN];
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extern int tokpatlen;
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extern int lookident; /* lexical analyzer flag */
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extern list3 structpool;
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extern int nallreg;
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extern int allreg[MAXALLREG];
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extern int maxallreg;
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extern int lino;
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extern int nerrors;
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extern int curtokexp;
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extern expr_t arexp[TOKENSIZE];
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extern int narexp;
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extern inst_t arinstance[MAXINSTANCE];
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extern int narinstance INIT(1);
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extern move_t machmoves[NMOVES];
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extern int nmoves;
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extern byte pattern[MAXPATTERN];
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extern int npatbytes;
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extern int prevind;
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extern int rulecount; /* Temporary index for ... construct */
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extern int ncoderules;
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extern int codebytes;
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extern FILE *cfile;
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extern FILE *hfile;
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extern int maxtokensize;
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extern int dealflag;
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extern int emrepllen;
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extern int replmnem[MAXEMPATLEN];
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extern int tokrepllen;
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extern int replinst[MAXPATLEN];
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extern int replexpr[MAXPATLEN];
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extern c1_t c1coercs[MAXC1];
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extern c2_t c2coercs[MAXC2];
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extern c3_t c3coercs[MAXC3];
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extern int nc1,nc2,nc3;
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extern int maxsplit;
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extern int wsize INIT(-1);
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extern int psize INIT(-1);
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extern int bsize INIT(-1);
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extern char *fmt;
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extern int cchandled;
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extern int ccspoiled;
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extern int ccregexpr;
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extern int ccinstanceno;
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extern int cocopropno;
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extern int cocosetno;
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extern int allexpno;
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extern int rvused; /* regvars used */
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extern int nregvar[4]; /* # of register variables of all kinds */
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extern int rvnumbers[4][MAXREGVARS]; /* The register numbers */
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#define chktabsiz(size,maxsize,which) if(size>=maxsize) tabovf(which)
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#define MUST1BEINT(e) int exp1=e.expr_index;tstint(e)
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#define MUST2BEINT(e1,e2) int exp1=e1.expr_index,exp2=e2.expr_index;tstint(e1);tstint(e2)
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#define MUST1BEBOOL(e) int exp1=e.expr_index;tstbool(e)
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#define MUST2BEBOOL(e1,e2) int exp1=e1.expr_index,exp2=e2.expr_index;tstbool(e1);tstbool(e2)
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extern ident_p ilookup();
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extern list2 lookstruct();
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extern string scopy();
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extern unsigned hash();
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