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- #define CHAR 257
- #define CCL 258
- #define NCCL 259
- #define STR 260
- #define DELIM 261
- #define SCON 262
- #define ITER 263
- #define NEWE 264
- #define NULLS 265
- #define CAT 266
-
- #include "c:ldefs.c"
- #define yyclearin yychar = -1
- #define yyerrok yyerrflag = 0
- extern int yychar;
- extern short yyerrflag;
- #ifndef YYMAXDEPTH
- #define YYMAXDEPTH 150
- #endif
- #ifndef YYSTYPE
- #define YYSTYPE int
- #endif
- YYSTYPE yylval, yyval;
-
- int i;
- int j,k;
- int g;
- char *p;
- #define YYERRCODE 256
-
-
- yylex(){
- register char *p;
- register int c, i;
- char *t, *xp;
- int n, j, k, x;
- static int sectbegin;
- static char token[TOKENSIZE];
- static int iter;
-
- # ifdef DEBUG
- yylval = 0;
- # endif
-
- if(sect == DEFSECTION) { /* definitions section */
- while(!eof) {
- if(prev == '\n'){ /* next char is at begin
- ning of line */
- getl(p=buf);
- switch(*p){
- case '%':
- switch(c= *(p+1)){
- case '%':
- lgate();
- if(!ratfor)fprintf(fout,"# ");
- fprintf(fout,"define YYNEWLINE %
- d\n",ctable['\n']);
- if(!ratfor)fprintf(fout,"yylex()
- {\nint nstr; extern int yyprevious;\n");
- sectbegin = TRUE;
- i = treesize*(sizeof(*name)+size
- of(*left)+
- sizeof(*right)+sizeof(*n
- ullstr)+sizeof(*parent))+ALITTLEEXTRA;
- c = myalloc(i,1);
- if(c == 0)
- error("Too little core f
- or parse tree");
- p = c;
- cfree(p,i,1);
- name = myalloc(treesize,sizeof(*
- name));
- left = myalloc(treesize,sizeof(*
- left));
- right = myalloc(treesize,sizeof(
- *right));
- nullstr = myalloc(treesize,sizeo
- f(*nullstr));
- parent = myalloc(treesize,sizeof
- (*parent));
- if(name == 0 || left == 0 || rig
- ht == 0 || parent == 0 || nullstr == 0)
- error("Too little core f
- or parse tree");
- return(freturn(DELIM));
- case 'p': case 'P': /* has overridde
- n number of positions */
- while(*p && !digit(*p))p++;
- maxpos = siconv(p);
- # ifdef DEBUG
- if (debug) printf("positions (%%
- p) now %d\n",maxpos);
- # endif
- if(report == 2)report = 1;
- continue;
- case 'n': case 'N': /* has overridde
- n number of states */
- while(*p && !digit(*p))p++;
- nstates = siconv(p);
- # ifdef DEBUG
- if(debug)printf( " no. states (%
- %n) now %d\n",nstates);
- # endif
- if(report == 2)report = 1;
- continue;
- case 'e': case 'E': /* has o
- verridden number of tree nodes */
- while(*p && !digit(*p))p++;
- treesize = siconv(p);
- # ifdef DEBUG
- if (debug) printf("treesize (%%e
- ) now %d\n",treesize);
- # endif
- if(report == 2)report = 1;
- continue;
- case 'o': case 'O':
- while (*p && !digit(*p))p++;
- outsize = siconv(p);
- if (report ==2) report=1;
- continue;
- case 'a': case 'A': /* has o
- verridden number of transitions */
- while(*p && !digit(*p))p++;
- if(report == 2)report = 1;
- ntrans = siconv(p);
- # ifdef DEBUG
- if (debug)printf("N. trans (%%a)
- now %d\n",ntrans);
- # endif
- continue;
- case 'k': case 'K': /* overriden packed
- char classes */
- while (*p && !digit(*p))p++;
- if (report==2) report=1;
- cfree(pchar, pchlen, sizeof(*pch
- ar));
- pchlen = siconv(p);
- # ifdef DEBUG
- if (debug) printf( "Size classes
- (%%k) now %d\n",pchlen);
- # endif
- pchar=pcptr=myalloc(pchlen, size
- of(*pchar));
- continue;
- case 't': case 'T': /* character set
- specifier */
- ZCH = atoi(p+2);
- if (ZCH < NCH) ZCH = NCH;
- if (ZCH > 2*NCH) error("ch table
- needs redeclaration");
- chset = TRUE;
- for(i = 0; i<ZCH; i++)
- ctable[i] = 0;
- while(getl(p) && scomp(p,"%T") !
- = 0 && scomp(p,"%t") != 0){
- if((n = siconv(p)) <= 0
- || n > ZCH){
- warning("Charact
- er value %d out of range",n);
- continue;
- }
- while(!space(*p) && *p)
- p++;
- while(space(*p)) p++;
- t = p;
- while(*t){
- c = ctrans(&t);
- if(ctable[c]){
- if (prin
- table(c))
- w
- arning("Character '%c' used twice",c);
- else
- w
- arning("Character %o used twice",c);
- }
- else ctable[c] =
- n;
- t++;
- }
- p = buf;
- }
- {
- char chused[2*NCH]; int kr;
- for(i=0; i<ZCH; i++)
- chused[i]=0;
- for(i=0; i<NCH; i++)
- chused[ctable[i]]=1;
- for(kr=i=1; i<NCH; i++)
- if (ctable[i]==0)
- {
- while (chused[kr
- ] == 0)
- kr++;
- ctable[i]=kr;
- chused[kr]=1;
- }
- }
- lgate();
- continue;
- case 'r': case 'R':
- c = 'r';
- case 'c': case 'C':
- if(lgatflg)
- error("Too late for lang
- uage specifier");
- ratfor = (c == 'r');
- continue;
- case '{':
- lgate();
- while(getl(p) && scomp(p,"%}") !
- = 0)
- fprintf(fout, "%s\n",p);
- if(p[0] == '%') continue;
- error("Premature eof");
- case 's': case 'S': /* start
- conditions */
- lgate();
- while(*p && index(*p," \t,") < 0
- ) p++;
- n = TRUE;
- while(n){
- while(*p && index(*p," \
- t,") >= 0) p++;
- t = p;
- while(*p && index(*p," \
- t,") < 0)p++;
- if(!*p) n = FALSE;
- *p++ = 0;
- if (*t == 0) continue;
- i = sptr*2;
- if(!ratfor)fprintf(fout,
- "# ");
- fprintf(fout,"define %s
- %d\n",t,i);
- scopy(t,sp);
- sname[sptr++] = sp;
- sname[sptr] = 0; /
- * required by lookup */
- if(sptr >= STARTSIZE)
- error("Too many
- start conditions");
- sp += slength(sp) + 1;
- if(sp >= schar+STARTCHAR
- )
- error("Start con
- ditions too long");
- }
- continue;
- default:
- warning("Invalid request %s",p);
- continue;
- } /* end of switch after s
- eeing '%' */
- case ' ': case '\t': /* must be code
- */
- lgate();
- fprintf(fout, "%s\n",p);
- continue;
- default: /* definition */
- while(*p && !space(*p)) p++;
- if(*p == 0)
- continue;
- prev = *p;
- *p = 0;
- bptr = p+1;
- yylval = buf;
- if(digit(buf[0]))
- warning("Substitution strings ma
- y not begin with digits");
- return(freturn(STR));
- }
- }
- /* still sect 1, but prev != '\n' */
- else {
- p = bptr;
- while(*p && space(*p)) p++;
- if(*p == 0)
- warning("No translation given - null str
- ing assumed");
- scopy(p,token);
- yylval = token;
- prev = '\n';
- return(freturn(STR));
- }
- }
- /* end of section one processing */
- }
- else if(sect == RULESECTION){ /* rules and actions */
- while(!eof){
- switch(c=gch()){
- case '\0':
- return(freturn(0));
- case '\n':
- if(prev == '\n') continue;
- x = NEWE;
- break;
- case ' ':
- case '\t':
- if(sectbegin == TRUE){
- cpyact();
- while((c=gch()) && c != '\n');
- continue;
- }
- if(!funcflag)phead2();
- funcflag = TRUE;
- if(ratfor)fprintf(fout,"%d\n",30000+casecount);
- else fprintf(fout,"case %d:\n",casecount);
- if(cpyact()){
- if(ratfor)fprintf(fout,"goto 30997\n");
- else fprintf(fout,"break;\n");
- }
- while((c=gch()) && c != '\n');
- if(peek == ' ' || peek == '\t' || sectbegin == T
- RUE){
- warning("Executable statements should oc
- cur right after %%");
- continue;
- }
- x = NEWE;
- break;
- case '%':
- if(prev != '\n') goto character;
- if(peek == '{'){ /* included code */
- getl(buf);
- while(!eof && getl(buf) && scomp("%}",bu
- f) != 0)
- fprintf(fout,"%s\n",buf);
- continue;
- }
- if(peek == '%'){
- c = gch();
- c = gch();
- x = DELIM;
- break;
- }
- goto character;
- case '|':
- if(peek == ' ' || peek == '\t' || peek == '\n'){
- if(ratfor)fprintf(fout,"%d\n",30000+case
- count++);
- else fprintf(fout,"case %d:\n",casecount
- ++);
- continue;
- }
- x = '|';
- break;
- case '$':
- if(peek == '\n' || peek == ' ' || peek == '\t' |
- | peek == '|' || peek == '/'){
- x = c;
- break;
- }
- goto character;
- case '^':
- if(prev != '\n' && scon != TRUE) goto character;
- /* valid only at line begin */
- x = c;
- break;
- case '?':
- case '+':
- case '.':
- case '*':
- case '(':
- case ')':
- case ',':
- case '/':
- x = c;
- break;
- case '}':
- iter = FALSE;
- x = c;
- break;
- case '{': /* either iteration or definition */
- if(digit(c=gch())){ /* iteration */
- iter = TRUE;
- ieval:
- i = 0;
- while(digit(c)){
- token[i++] = c;
- c = gch();
- }
- token[i] = 0;
- yylval = siconv(token);
- munput('c',c);
- x = ITER;
- break;
- }
- else { /* definition */
- i = 0;
- while(c && c!='}'){
- token[i++] = c;
- c = gch();
- }
- token[i] = 0;
- i = lookup(token,def);
- if(i < 0)
- warning("Definition %s not found
- ",token);
- else
- munput('s',subs[i]);
- continue;
- }
- case '<': /* start condition ? */
- if(prev != '\n') /* not at line b
- egin, not start */
- goto character;
- t = slptr;
- do {
- i = 0;
- c = gch();
- while(c != ',' && c && c != '>'){
- token[i++] = c;
- c = gch();
- }
- token[i] = 0;
- if(i == 0)
- goto character;
- i = lookup(token,sname);
- if(i < 0) {
- warning("Undefined start conditi
- on %s",token);
- continue;
- }
- *slptr++ = i+1;
- } while(c && c != '>');
- *slptr++ = 0;
- /* check if previous value re-usable */
- for (xp=slist; xp<t; )
- {
- if (strcmp(xp, t)==0)
- break;
- while (*xp++);
- }
- if (xp<t)
- {
- /* re-use previous pointer to string */
- slptr=t;
- t=xp;
- }
- if(slptr > slist+STARTSIZE) /* note
- not packed ! */
- error("Too many start conditions used");
- yylval = t;
- x = SCON;
- break;
- case '"':
- i = 0;
- while((c=gch()) && c != '"' && c != '\n'){
- if(c == '\\') c = usescape(c=gch());
- token[i++] = c;
- if(i > TOKENSIZE){
- warning("String too long");
- i = TOKENSIZE-1;
- break;
- }
- }
- if(c == '\n') {
- yyline--;
- warning("Non-terminated string");
- yyline++;
- }
- token[i] = 0;
- if(i == 0)x = NULLS;
- else if(i == 1){
- yylval = token[0];
- x = CHAR;
- }
- else {
- yylval = token;
- x = STR;
- }
- break;
- case '[':
- for(i=1;i<NCH;i++) symbol[i] = 0;
- x = CCL;
- if((c = gch()) == '^'){
- x = NCCL;
- c = gch();
- }
- while(c != ']' && c){
- if(c == '\\') c = usescape(c=gch());
- symbol[c] = 1;
- j = c;
- if((c=gch()) == '-' && peek != ']'){ /
- * range specified */
- c = gch();
- if(c == '\\') c = usescape(c=gch
- ());
- k = c;
- if(j > k) {
- n = j;
- j = k;
- k = n;
- }
- if(!(('A' <= j && k <= 'Z') ||
- ('a' <= j && k <= 'z') ||
- ('0' <= j && k <= '9')))
- warning("Non-portable Ch
- aracter Class");
- for(n=j+1;n<=k;n++)
- symbol[n] = 1; /
- * implementation dependent */
- c = gch();
- }
- }
- /* try to pack ccl's */
- i = 0;
- for(j=0;j<NCH;j++)
- if(symbol[j])token[i++] = j;
- token[i] = 0;
- p = ccptr;
- if(optim){
- p = ccl;
- while(p <ccptr && scomp(token,p) != 0)p+
- +;
- }
- if(p < ccptr) /* found it */
- yylval = p;
- else {
- yylval = ccptr;
- scopy(token,ccptr);
- ccptr += slength(token) + 1;
- if(ccptr >= ccl+CCLSIZE)
- error("Too many large character
- classes");
- }
- cclinter(x==CCL);
- break;
- case '\\':
- c = usescape(c=gch());
- default:
- character:
- if(iter){ /* second part of an iteration *
- /
- iter = FALSE;
- if('0' <= c && c <= '9')
- goto ieval;
- }
- if(alpha(peek)){
- i = 0;
- yylval = token;
- token[i++] = c;
- while(alpha(peek))
- token[i++] = gch();
- if(peek == '?' || peek == '*' || peek ==
- '+')
- munput('c',token[--i]);
- token[i] = 0;
- if(i == 1){
- yylval = token[0];
- x = CHAR;
- }
- else x = STR;
- }
- else {
- yylval = c;
- x = CHAR;
- }
- }
- scon = FALSE;
- if(x == SCON)scon = TRUE;
- sectbegin = FALSE;
- return(freturn(x));
- }
- }
- /* section three */
- ptail();
- # ifdef DEBUG
- if(debug)
- fprintf(fout,"\n/*this comes from section three - debug */\n");
- # endif
- while(getl(buf) && !eof)
- fprintf(fout,"%s\n",buf);
- return(freturn(0));
- }
- /* end of yylex */
- # ifdef DEBUG
- freturn(i)
- int i; {
- if(yydebug) {
- printf("now return ");
- if(i < NCH) allprint(i);
- else printf("%d",i);
- printf(" yylval = ");
- switch(i){
- case STR: case CCL: case NCCL:
- strpt(yylval);
- break;
- case CHAR:
- allprint(yylval);
- break;
- default:
- printf("%d",yylval);
- break;
- }
- putchar('\n');
- }
- return(i);
- }
- # endif
-
-
-
-
-
-
-
-
-
-
- short yyexca[] ={
- -1, 1,
- 0, -1,
- -2, 0,
- };
- #define YYNPROD 33
- #define YYLAST 291
- short yyact[]={
-
- 34, 45, 35, 23, 21, 43, 27, 28, 4, 34,
- 16, 32, 41, 21, 46, 27, 28, 10, 34, 16,
- 32, 8, 21, 9, 27, 28, 25, 29, 16, 6,
- 7, 3, 24, 34, 27, 28, 29, 21, 11, 27,
- 28, 2, 5, 16, 1, 29, 21, 0, 27, 28,
- 0, 0, 16, 0, 0, 29, 21, 0, 20, 0,
- 29, 0, 16, 0, 0, 21, 0, 20, 0, 29,
- 0, 16, 0, 0, 31, 0, 20, 0, 0, 0,
- 12, 0, 0, 12, 0, 0, 0, 0, 30, 0,
- 0, 20, 0, 42, 36, 37, 38, 30, 0, 0,
- 0, 0, 0, 0, 0, 39, 30, 40, 0, 0,
- 20, 0, 0, 0, 0, 0, 0, 0, 0, 20,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 44,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 14, 17, 18, 15, 0, 19, 33, 0, 22,
- 14, 17, 18, 15, 0, 19, 33, 26, 22, 14,
- 17, 18, 15, 0, 0, 33, 0, 22, 0, 0,
- 0, 0, 0, 0, 14, 17, 18, 15, 0, 0,
- 33, 0, 22, 14, 17, 18, 15, 0, 0, 33,
- 0, 22, 13, 14, 17, 18, 15, 7, 19, 0,
- 0, 22, 14, 17, 18, 15, 0, 19, 0, 0,
- 22 };
- short yypact[]={
-
- -248,-1000,-1000,-231,-1000, 16,-257,-1000, 16,-1000,
- -1000,-1000, -27,-262,-1000,-1000,-1000,-1000,-1000, 25,
- 25, 25,-1000,-1000,-1000,-1000,-1000,-1000,-1000,-1000,
- 25, -8, 25, -32,-1000,-1000, -18, 6, -36, -3,
- -18,-124,-1000,-1000,-111,-1000,-1000 };
- short yypgo[]={
-
- 0, 44, 41, 31, 38, 21, 23, 17, 74 };
- short yyr1[]={
-
- 0, 1, 2, 2, 2, 6, 6, 3, 3, 4,
- 5, 5, 7, 7, 8, 8, 8, 8, 8, 8,
- 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
- 8, 8, 8 };
- short yyr2[]={
-
- 0, 1, 4, 3, 1, 1, 0, 3, 0, 1,
- 2, 1, 2, 2, 1, 1, 1, 1, 1, 2,
- 2, 2, 3, 2, 3, 5, 3, 4, 2, 2,
- 2, 3, 1 };
- short yychk[]={
-
- -1000, -1, -2, -3, 256, -4, 260, 261, -5, -6,
- -7, -4, -8, 256, 257, 260, 46, 258, 259, 262,
- 94, 40, 265, 260, -6, -7, 264, 42, 43, 63,
- 124, -8, 47, 263, 36, 264, -8, -8, -8, -8,
- -8, 44, 125, 41, 263, 125, 125 };
- short yydef[]={
-
- 8, -2, 1, 0, 4, 6, 0, 9, 6, 3,
- 11, 5, 0, 0, 14, 15, 16, 17, 18, 0,
- 0, 0, 32, 7, 2, 10, 12, 19, 20, 21,
- 0, 23, 0, 0, 30, 13, 28, 29, 0, 22,
- 24, 0, 26, 31, 0, 27, 25 };
- #define YYFLAG -1000
- #define YYERROR goto yyerrlab
- #define YYACCEPT return(0)
- #define YYABORT return(1)
-
- /* parser for yacc output */
-
- int yydebug = 0; /* 1 for debugging */
- YYSTYPE yyv[YYMAXDEPTH]; /* where the values are stored */
- int yychar = -1; /* current input token number */
- int yynerrs = 0; /* number of errors */
- short yyerrflag = 0; /* error recovery flag */
-
- yyparse() {
-
- short yys[YYMAXDEPTH];
- short yyj, yym;
- register YYSTYPE *yypvt;
- register short yystate, *yyps, yyn;
- register YYSTYPE *yypv;
- register short *yyxi;
-
- yystate = 0;
- yychar = -1;
- yynerrs = 0;
- yyerrflag = 0;
- yyps= &yys[-1];
- yypv= &yyv[-1];
-
- yystack: /* put a state and value onto the stack */
-
- if( yydebug ) printf( "state %d, char 0%o\n", yystate, yychar );
- if( ++yyps> &yys[YYMAXDEPTH] ) { yyerror( "yacc stack overflow" ); return(1); }
- *yyps = yystate;
- ++yypv;
- *yypv = yyval;
-
- yynewstate:
-
- yyn = yypact[yystate];
-
- if( yyn<= YYFLAG ) goto yydefault; /* simple state */
-
- if( yychar<0 ) if( (yychar=yylex())<0 ) yychar=0;
- if( (yyn += yychar)<0 || yyn >= YYLAST ) goto yydefault;
-
- if( yychk[ yyn=yyact[ yyn ] ] == yychar ){ /* valid shift */
- yychar = -1;
- yyval = yylval;
- yystate = yyn;
- if( yyerrflag > 0 ) --yyerrflag;
- goto yystack;
- }
-
- yydefault:
- /* default state action */
-
- if( (yyn=yydef[yystate]) == -2 ) {
- if( yychar<0 ) if( (yychar=yylex())<0 ) yychar = 0;
- /* look through exception table */
-
- for( yyxi=yyexca; (*yyxi!= (-1)) || (yyxi[1]!=yystate) ; yyxi += 2 ) ; /* VOID */
-
- while( *(yyxi+=2) >= 0 ){
- if( *yyxi == yychar ) break;
- }
- if( (yyn = yyxi[1]) < 0 ) return(0); /* accept */
- }
-
- if( yyn == 0 ){ /* error */
- /* error ... attempt to resume parsing */
-
- switch( yyerrflag ){
-
- case 0: /* brand new error */
-
- yyerror( "syntax error" );
- yyerrlab:
- ++yynerrs;
-
- case 1:
- case 2: /* incompletely recovered error ... try again */
-
- yyerrflag = 3;
-
- /* find a state where "error" is a legal shift action */
-
- while ( yyps >= yys ) {
- yyn = yypact[*yyps] + YYERRCODE;
- if( yyn>= 0 && yyn < YYLAST && yychk[yyact[yyn]] == YYERRCODE ){
- yystate = yyact[yyn]; /* simulate a shift of "error" */
- goto yystack;
- }
- yyn = yypact[*yyps];
-
- /* the current yyps has no shift onn "error", pop stack */
-
- if( yydebug ) printf( "error recovery pops state %d, uncovers %d\n", *yyps, yyps[-1] );
- --yyps;
- --yypv;
- }
-
- /* there is no state on the stack with an error shift ... abort */
-
- yyabort:
- return(1);
-
-
- case 3: /* no shift yet; clobber input char */
-
- if( yydebug ) printf( "error recovery discards char %d\n", yychar );
-
- if( yychar == 0 ) goto yyabort; /* don't discard EOF, quit */
- yychar = -1;
- goto yynewstate; /* try again in the same state */
-
- }
-
- }
-
- /* reduction by production yyn */
-
- if( yydebug ) printf("reduce %d\n",yyn);
- yyps -= yyr2[yyn];
- yypvt = yypv;
- yypv -= yyr2[yyn];
- yyval = yypv[1];
- yym=yyn;
- /* consult goto table to find next state */
- yyn = yyr1[yyn];
- yyj = yypgo[yyn] + *yyps + 1;
- if( yyj>=YYLAST || yychk[ yystate = yyact[yyj] ] != -yyn ) yystate = yyact[yypgo[yyn]];
- switch(yym){
-
- case 1:
- {
- # ifdef DEBUG
- if(debug) sect2dump();
- # endif
- } break;
- case 3:
- {
- if(!funcflag)phead2();
- funcflag = TRUE;
- } break;
- case 4:
- {
- # ifdef DEBUG
- if(debug) {
- sect1dump();
- sect2dump();
- }
- # endif
- } break;
- case 7:
- { scopy(yypvt[-1],dp);
- def[dptr] = dp;
- dp += slength(yypvt[-1]) + 1;
- scopy(yypvt[-0],dp);
- subs[dptr++] = dp;
- if(dptr >= DEFSIZE)
- error("Too many definitions");
- dp += slength(yypvt[-0]) + 1;
- if(dp >= dchar+DEFCHAR)
- error("Definitions too long");
- subs[dptr]=def[dptr]=0; /* for lookup - require ending null */
- } break;
- case 9:
- {
- # ifdef DEBUG
- if(sect == DEFSECTION && debug) sect1dump();
- # endif
- sect++;
- } break;
- case 10:
- { yyval = mn2(RNEWE,yypvt[-1],yypvt[-0]);
- } break;
- case 11:
- { yyval = yypvt[-0];} break;
- case 12:
- {
- if(divflg == TRUE)
- i = mn1(S1FINAL,casecount);
- else i = mn1(FINAL,casecount);
- yyval = mn2(RCAT,yypvt[-1],i);
- divflg = FALSE;
- casecount++;
- } break;
- case 13:
- {
- # ifdef DEBUG
- if(debug) sect2dump();
- # endif
- } break;
- case 14:
- { yyval = mn0(yypvt[-0]); } break;
- case 15:
- {
- p = yypvt[-0];
- i = mn0(*p++);
- while(*p)
- i = mn2(RSTR,i,*p++);
- yyval = i;
- } break;
- case 16:
- { symbol['\n'] = 0;
- if(psave == FALSE){
- p = ccptr;
- psave = ccptr;
- for(i=1;i<'\n';i++){
- symbol[i] = 1;
- *ccptr++ = i;
- }
- for(i='\n'+1;i<NCH;i++){
- symbol[i] = 1;
- *ccptr++ = i;
- }
- *ccptr++ = 0;
- if(ccptr > ccl+CCLSIZE)
- error("Too many large character classes");
- }
- else
- p = psave;
- yyval = mn1(RCCL,p);
- cclinter(1);
- } break;
- case 17:
- { yyval = mn1(RCCL,yypvt[-0]); } break;
- case 18:
- { yyval = mn1(RNCCL,yypvt[-0]); } break;
- case 19:
- { yyval = mn1(STAR,yypvt[-1]); } break;
- case 20:
- { yyval = mn1(PLUS,yypvt[-1]); } break;
- case 21:
- { yyval = mn1(QUEST,yypvt[-1]); } break;
- case 22:
- { yyval = mn2(BAR,yypvt[-2],yypvt[-0]); } break;
- case 23:
- { yyval = mn2(RCAT,yypvt[-1],yypvt[-0]); } break;
- case 24:
- { if(!divflg){
- j = mn1(S2FINAL,-casecount);
- i = mn2(RCAT,yypvt[-2],j);
- yyval = mn2(DIV,i,yypvt[-0]);
- }
- else {
- yyval = mn2(RCAT,yypvt[-2],yypvt[-0]);
- warning("Extra slash removed");
- }
- divflg = TRUE;
- } break;
- case 25:
- { if(yypvt[-3] > yypvt[-1]){
- i = yypvt[-3];
- yypvt[-3] = yypvt[-1];
- yypvt[-1] = i;
- }
- if(yypvt[-1] <= 0)
- warning("Iteration range must be positive");
- else {
- j = yypvt[-4];
- for(k = 2; k<=yypvt[-3];k++)
- j = mn2(RCAT,j,dupl(yypvt[-4]));
- for(i = yypvt[-3]+1; i<=yypvt[-1]; i++){
- g = dupl(yypvt[-4]);
- for(k=2;k<=i;k++)
- g = mn2(RCAT,g,dupl(yypvt[-4]));
- j = mn2(BAR,j,g);
- }
- yyval = j;
- }
- } break;
- case 26:
- {
- if(yypvt[-1] < 0)warning("Can't have negative iteration");
- else if(yypvt[-1] == 0) yyval = mn0(RNULLS);
- else {
- j = yypvt[-2];
- for(k=2;k<=yypvt[-1];k++)
- j = mn2(RCAT,j,dupl(yypvt[-2]));
- yyval = j;
- }
- } break;
- case 27:
- {
- /* from n to infinity */
- if(yypvt[-2] < 0)warning("Can't have negative iteration");
- else if(yypvt[-2] == 0) yyval = mn1(STAR,yypvt[-3]);
- else if(yypvt[-2] == 1)yyval = mn1(PLUS,yypvt[-3]);
- else { /* >= 2 iterations minimum */
- j = yypvt[-3];
- for(k=2;k<yypvt[-2];k++)
- j = mn2(RCAT,j,dupl(yypvt[-3]));
- k = mn1(PLUS,dupl(yypvt[-3]));
- yyval = mn2(RCAT,j,k);
- }
- } break;
- case 28:
- { yyval = mn2(RSCON,yypvt[-0],yypvt[-1]); } break;
- case 29:
- { yyval = mn1(CARAT,yypvt[-0]); } break;
- case 30:
- { i = mn0('\n');
- if(!divflg){
- j = mn1(S2FINAL,-casecount);
- k = mn2(RCAT,yypvt[-1],j);
- yyval = mn2(DIV,k,i);
- }
- else yyval = mn2(RCAT,yypvt[-1],i);
- divflg = TRUE;
- } break;
- case 31:
- { yyval = yypvt[-1]; } break;
- case 32:
- { yyval = mn0(RNULLS); } break;
- }
- goto yystack; /* stack new state and value */
-
- }