| 1 | # |
| 2 | |
| 3 | /* |
| 4 | * monadic epsilon and encode /rww |
| 5 | */ |
| 6 | |
| 7 | #include "apl.h" |
| 8 | |
| 9 | ex_meps() |
| 10 | { |
| 11 | register struct item *p; |
| 12 | register i,j; |
| 13 | struct item *mark; |
| 14 | |
| 15 | char *a,*b,*c; |
| 16 | int dim0,dim1; |
| 17 | int xpcp; |
| 18 | |
| 19 | p = fetch1(); |
| 20 | if(p->rank>2 || p->type!=CH) |
| 21 | error("execute C"); |
| 22 | if(!p->size) { |
| 23 | pop(); |
| 24 | push(newdat(DA,1,0)); |
| 25 | return; |
| 26 | } |
| 27 | b = p->datap; |
| 28 | dim0 = p->rank<2 ? 1 : p->dim[0]; |
| 29 | dim1 = p->rank<2 ? p->size : p->dim[1]; |
| 30 | a = alloc(dim1+1); |
| 31 | xpcp = pcp; |
| 32 | mark = sp; |
| 33 | for(i=0; i<dim0; i++){ |
| 34 | for(j=0; j<dim1; j++) |
| 35 | a[j] = b[j]; |
| 36 | a[j] = '\n'; |
| 37 | c = compile(a,1); |
| 38 | execute(c); |
| 39 | afree(c); |
| 40 | b =+ dim1; |
| 41 | if(i < dim0-1) |
| 42 | pop(); |
| 43 | } |
| 44 | afree(a); |
| 45 | pcp = xpcp; |
| 46 | while(sp>mark) |
| 47 | dealloc(*--sp); |
| 48 | pop(); |
| 49 | push(newdat(DA,1,0)); |
| 50 | } |
| 51 | |
| 52 | ex_menc() |
| 53 | { |
| 54 | struct item *p; |
| 55 | |
| 56 | p = fetch1(); |
| 57 | if(p->type == CH) |
| 58 | menc0(); |
| 59 | else |
| 60 | menc1(); |
| 61 | } |
| 62 | |
| 63 | menc0() /* dredge up a function and put it into an array*/ |
| 64 | { |
| 65 | int oifile; |
| 66 | char name[NAMS]; |
| 67 | char *c, *c2; |
| 68 | struct nlist *np; |
| 69 | struct item *p; |
| 70 | int len, dim0, dim1; |
| 71 | register i; |
| 72 | register char *dp; |
| 73 | |
| 74 | p = fetch1(); |
| 75 | if(p->size == 0 || p->rank >1 || p->size >= NAMS) |
| 76 | error("menc C"); |
| 77 | /* set up the name in search format */ |
| 78 | copy(CH, p->datap, name, p->size); |
| 79 | name[p->size] = '\0'; |
| 80 | /* search for name among the functions */ |
| 81 | for(np = nlist; np->namep; np++) |
| 82 | if(equal(np->namep,name)) |
| 83 | break; |
| 84 | /* if not found then domain error */ |
| 85 | if(!np->namep) |
| 86 | error("menc D"); |
| 87 | /* set up new array */ |
| 88 | dim0 = 0; |
| 89 | dim1 = 0; |
| 90 | oifile = ifile; |
| 91 | ifile = dup(wfile); |
| 92 | lseek(ifile, np->label, 0); /* look up function */ |
| 93 | /* compute max width and height */ |
| 94 | while(c2 = c = rline(0)) |
| 95 | { while(*c2++ != '\n'); |
| 96 | dim0++; |
| 97 | len = c2 - c - 1; |
| 98 | dim1 = dim1 < len ? len : dim1; |
| 99 | afree(c); |
| 100 | } |
| 101 | afree(p); /* release old variable */ |
| 102 | /* create new array and put function in */ |
| 103 | p = newdat(CH, 2, dim0*dim1); |
| 104 | p->rank = 2; |
| 105 | p->dim[0] = dim0; |
| 106 | p->dim[1] = dim1; |
| 107 | dp = p->datap; |
| 108 | lseek(ifile, np->label, 0); |
| 109 | while(c2 = c = rline(0)) |
| 110 | { for(i=0; i<dim1; i++) |
| 111 | if(*c != '\n') |
| 112 | *dp++ = *c++; |
| 113 | else |
| 114 | *dp++ = ' '; /* fill w/blanks*/ |
| 115 | afree(c2); |
| 116 | } |
| 117 | /* put the new array on the stack */ |
| 118 | push(p); |
| 119 | /* reset the current file */ |
| 120 | ifile = oifile; |
| 121 | } |
| 122 | |
| 123 | menc1()/* change numbers into characters */ |
| 124 | { |
| 125 | struct item *p, *q; |
| 126 | register i,j,numsz; |
| 127 | data *dp; |
| 128 | int total,param[4]; |
| 129 | |
| 130 | /* zeroize size information vector */ |
| 131 | for(i=0; i<4; i++) |
| 132 | param[i] = 0; |
| 133 | /* pick up the argument */ |
| 134 | p = fetch1(); |
| 135 | dp = p->datap; |
| 136 | /* find the maximum # of chars in any # */ |
| 137 | for(i=0; i<p->size; i++) |
| 138 | epr1(*dp++, param); |
| 139 | numsz = param[1] + param[2] + !!param[2] + param[3] + 1; |
| 140 | /* rowsize is max # size x last dim */ |
| 141 | rowsz = p->rank ? p->dim[p->rank-1] : 1; |
| 142 | rowsz *= numsz; |
| 143 | /* row size x # of rows(incl blank)*/ |
| 144 | total = p->size * numsz; |
| 145 | for(j=i=0; i<p->rank; i++) |
| 146 | if(p->dim[i] != 1) |
| 147 | if(j++ > 1) |
| 148 | total =+ rowsz; |
| 149 | /* make new data and fill with blanks */ |
| 150 | q = newdat(CH, 2, total); |
| 151 | q->dim[0] = total/rowsz; |
| 152 | q->dim[1] = rowsz; |
| 153 | mencptr = q->datap; |
| 154 | for(i=0; i<total; i++) |
| 155 | *mencptr++ = ' '; |
| 156 | mencptr = q->datap; |
| 157 | /* use putchar()to fill up the array */ |
| 158 | mencflg = 2; |
| 159 | ex_hprint(); |
| 160 | mencflg = 0; |
| 161 | /* put it on the stack */ |
| 162 | push(q); |
| 163 | } |