projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 2d6e40ce TL |
1 | #include "r.h" |
| 2 | ||
| 3 | extern int hollerith; | |
| 4 | ||
| 5 | char outbuf[80]; | |
| 6 | int outp = 0; | |
| 7 | int cont = 0; | |
| 8 | int contchar = '&'; | |
| 9 | ||
| 10 | char comment[320]; | |
| 11 | int comptr = 0; | |
| 12 | int indent = 0; | |
| 13 | ||
| 14 | outdon() { | |
| 15 | outbuf[outp] = '\0'; | |
| 16 | if (outp > 0) | |
| 17 | fprintf(outfil, "%s\n", outbuf); | |
| 18 | outp = cont = 0; | |
| 19 | } | |
| 20 | ||
| 21 | putcom(s) char *s; { | |
| 22 | if (printcom) { | |
| 23 | ptc('c'); | |
| 24 | outtab(); | |
| 25 | pts(s); | |
| 26 | outdon(); | |
| 27 | } | |
| 28 | } | |
| 29 | ||
| 30 | outcode(xp) char *xp; { | |
| 31 | register c, c1, j; | |
| 32 | char *q, *p; | |
| 33 | ||
| 34 | p = (char *) xp; /* shut lint up */ | |
| 35 | if (cont == 0 && comptr > 0) /* flush comment if not on continuation */ | |
| 36 | flushcom(); | |
| 37 | while( (c = *p++) ){ | |
| 38 | c1 = *p; | |
| 39 | if (type[c] == LET || type[c] == DIG) { | |
| 40 | pts(p-1); | |
| 41 | break; | |
| 42 | } | |
| 43 | switch(c){ | |
| 44 | ||
| 45 | case '"': case '\'': | |
| 46 | j = 0; | |
| 47 | for (q=p; *q; q++) { | |
| 48 | if (*q == '\\') | |
| 49 | q++; | |
| 50 | j++; | |
| 51 | } | |
| 52 | if (outp+j+2 > 71) | |
| 53 | contcard(); | |
| 54 | if (hollerith) { | |
| 55 | outnum(--j); | |
| 56 | ptc('h'); | |
| 57 | } else | |
| 58 | ptc(c); | |
| 59 | while (*p != c) { | |
| 60 | if (*p == '\\') | |
| 61 | p++; | |
| 62 | ptc(*p++); | |
| 63 | } | |
| 64 | if (!hollerith) | |
| 65 | ptc(c); | |
| 66 | p++; | |
| 67 | break; | |
| 68 | case '$': case '\\': | |
| 69 | if (strlen(p-1)+outp > 71) | |
| 70 | contcard(); | |
| 71 | if (c1 == '"' || c1 == '\'') { | |
| 72 | ptc(c1); | |
| 73 | p++; | |
| 74 | } else | |
| 75 | for (p--; *p; p++) | |
| 76 | ptc(*p); | |
| 77 | break; | |
| 78 | case '%': | |
| 79 | outp = 0; | |
| 80 | while (*p) | |
| 81 | ptc(*p++); | |
| 82 | break; | |
| 83 | case '>': | |
| 84 | if( c1=='=' ){ | |
| 85 | pts(".ge."); p++; | |
| 86 | } else | |
| 87 | pts(".gt."); | |
| 88 | break; | |
| 89 | case '<': | |
| 90 | if( c1=='=' ){ | |
| 91 | pts(".le."); p++; | |
| 92 | } else if( c1=='>' ){ | |
| 93 | pts(".ne."); p++; | |
| 94 | } else | |
| 95 | pts(".lt."); | |
| 96 | break; | |
| 97 | case '=': | |
| 98 | if( c1=='=' ){ | |
| 99 | pts(".eq."); p++; | |
| 100 | } else | |
| 101 | ptc('='); | |
| 102 | break; | |
| 103 | case '!': case '^': | |
| 104 | if( c1=='=' ){ | |
| 105 | pts(".ne."); p++; | |
| 106 | } else | |
| 107 | pts(".not."); | |
| 108 | break; | |
| 109 | case '&': | |
| 110 | if( c1=='&' ) | |
| 111 | p++; | |
| 112 | pts(".and."); | |
| 113 | break; | |
| 114 | case '|': | |
| 115 | if( c1=='|' ) | |
| 116 | p++; | |
| 117 | pts(".or."); | |
| 118 | break; | |
| 119 | case '\t': | |
| 120 | outtab(); | |
| 121 | break; | |
| 122 | case '\n': | |
| 123 | ptc(' '); | |
| 124 | break; | |
| 125 | default: | |
| 126 | ptc(c); | |
| 127 | break; | |
| 128 | } | |
| 129 | } | |
| 130 | } | |
| 131 | ||
| 132 | ptc(c) char c; { | |
| 133 | if( outp > 71 ) | |
| 134 | contcard(); | |
| 135 | outbuf[outp++] = c; | |
| 136 | } | |
| 137 | ||
| 138 | pts(s) char *s; { | |
| 139 | if (strlen(s)+outp > 71) | |
| 140 | contcard(); | |
| 141 | while(*s) | |
| 142 | ptc(*s++); | |
| 143 | } | |
| 144 | ||
| 145 | contcard(){ | |
| 146 | int n; | |
| 147 | outbuf[outp] = '\0'; | |
| 148 | fprintf(outfil, "%s\n", outbuf); | |
| 149 | n = 6; | |
| 150 | if (printcom) { | |
| 151 | n += INDENT * indent + 1; | |
| 152 | if (n > 35) n = 35; | |
| 153 | } | |
| 154 | for( outp=0; outp<n; outbuf[outp++] = ' ' ); | |
| 155 | outbuf[contfld-1] = contchar; | |
| 156 | cont++; | |
| 157 | if (cont > 19) | |
| 158 | error("more than 19 continuation cards"); | |
| 159 | } | |
| 160 | ||
| 161 | outtab(){ | |
| 162 | int n; | |
| 163 | n = 6; | |
| 164 | if (printcom) { | |
| 165 | n += INDENT * indent; | |
| 166 | if (n > 35) n = 35; | |
| 167 | } | |
| 168 | while (outp < n) | |
| 169 | ptc(' '); | |
| 170 | } | |
| 171 | ||
| 172 | outnum(n) int n; { | |
| 173 | int a; | |
| 174 | if( a = n/10 ) | |
| 175 | outnum(a); | |
| 176 | ptc(n%10 + '0'); | |
| 177 | } | |
| 178 | ||
| 179 | outcont(n) int n; { | |
| 180 | transfer = 0; | |
| 181 | if (n == 0 && outp == 0) | |
| 182 | return; | |
| 183 | if( n > 0 ) | |
| 184 | outnum(n); | |
| 185 | outcode("\tcontinue"); | |
| 186 | outdon(); | |
| 187 | } | |
| 188 | ||
| 189 | outgoto(n) int n; { | |
| 190 | if (transfer != 0) | |
| 191 | return; | |
| 192 | outcode("\tgoto "); | |
| 193 | outnum(n); | |
| 194 | outdon(); | |
| 195 | } | |
| 196 | ||
| 197 | flushcom() { | |
| 198 | int i, j; | |
| 199 | if (printcom == 0) | |
| 200 | comptr = 0; | |
| 201 | else if (cont == 0 && comptr > 0) { | |
| 202 | for (i=j=0; i < comptr; i++) | |
| 203 | if (comment[i] == '\n') { | |
| 204 | comment[i] = '\0'; | |
| 205 | fprintf(outfil, "%s\n", &comment[j]); | |
| 206 | j = i + 1; | |
| 207 | } | |
| 208 | comptr = 0; | |
| 209 | } | |
| 210 | } |