Commit | Line | Data |
---|---|---|
a41ae56c CC |
1 | Original BTL Ratfor System for 4.2 |
2 | /* @(#)r2.c 1.1 (Berkeley) %G% */ | |
3 | #include "r.h" | |
4 | ||
5 | extern int hollerith; | |
6 | ||
7 | char outbuf[80]; | |
8 | int outp = 0; | |
9 | int cont = 0; | |
10 | int contchar = '&'; | |
11 | ||
12 | char comment[320]; | |
13 | int comptr = 0; | |
14 | int indent = 0; | |
15 | ||
16 | outdon() { | |
17 | outbuf[outp] = '\0'; | |
18 | if (outp > 0) | |
19 | fprintf(outfil, "%s\n", outbuf); | |
20 | outp = cont = 0; | |
21 | } | |
22 | ||
23 | putcom(s) char *s; { | |
24 | if (printcom) { | |
25 | ptc('c'); | |
26 | outtab(); | |
27 | pts(s); | |
28 | outdon(); | |
29 | } | |
30 | } | |
31 | ||
32 | outcode(xp) char *xp; { | |
33 | register c, c1, j; | |
34 | char *q, *p; | |
35 | ||
36 | p = (char *) xp; /* shut lint up */ | |
37 | if (cont == 0 && comptr > 0) /* flush comment if not on continuation */ | |
38 | flushcom(); | |
39 | while( (c = *p++) ){ | |
40 | c1 = *p; | |
41 | if (type[c] == LET || type[c] == DIG) { | |
42 | pts(p-1); | |
43 | break; | |
44 | } | |
45 | switch(c){ | |
46 | ||
47 | case '"': case '\'': | |
48 | j = 0; | |
49 | for (q=p; *q; q++) { | |
50 | if (*q == '\\') | |
51 | q++; | |
52 | j++; | |
53 | } | |
54 | if (outp+j+2 > 71) | |
55 | contcard(); | |
56 | if (hollerith) { | |
57 | outnum(--j); | |
58 | ptc('h'); | |
59 | } else | |
60 | ptc(c); | |
61 | while (*p != c) { | |
62 | if (*p == '\\') | |
63 | p++; | |
64 | ptc(*p++); | |
65 | } | |
66 | if (!hollerith) | |
67 | ptc(c); | |
68 | p++; | |
69 | break; | |
70 | case '$': case '\\': | |
71 | if (strlen(p-1)+outp > 71) | |
72 | contcard(); | |
73 | if (c1 == '"' || c1 == '\'') { | |
74 | ptc(c1); | |
75 | p++; | |
76 | } else | |
77 | for (p--; *p; p++) | |
78 | ptc(*p); | |
79 | break; | |
80 | case '%': | |
81 | outp = 0; | |
82 | while (*p) | |
83 | ptc(*p++); | |
84 | break; | |
85 | case '>': | |
86 | if( c1=='=' ){ | |
87 | pts(".ge."); p++; | |
88 | } else | |
89 | pts(".gt."); | |
90 | break; | |
91 | case '<': | |
92 | if( c1=='=' ){ | |
93 | pts(".le."); p++; | |
94 | } else if( c1=='>' ){ | |
95 | pts(".ne."); p++; | |
96 | } else | |
97 | pts(".lt."); | |
98 | break; | |
99 | case '=': | |
100 | if( c1=='=' ){ | |
101 | pts(".eq."); p++; | |
102 | } else | |
103 | ptc('='); | |
104 | break; | |
105 | case '!': case '^': | |
106 | if( c1=='=' ){ | |
107 | pts(".ne."); p++; | |
108 | } else | |
109 | pts(".not."); | |
110 | break; | |
111 | case '&': | |
112 | if( c1=='&' ) | |
113 | p++; | |
114 | pts(".and."); | |
115 | break; | |
116 | case '|': | |
117 | if( c1=='|' ) | |
118 | p++; | |
119 | pts(".or."); | |
120 | break; | |
121 | case '\t': | |
122 | outtab(); | |
123 | break; | |
124 | case '\n': | |
125 | ptc(' '); | |
126 | break; | |
127 | default: | |
128 | ptc(c); | |
129 | break; | |
130 | } | |
131 | } | |
132 | } | |
133 | ||
134 | ptc(c) char c; { | |
135 | if( outp > 71 ) | |
136 | contcard(); | |
137 | outbuf[outp++] = c; | |
138 | } | |
139 | ||
140 | pts(s) char *s; { | |
141 | if (strlen(s)+outp > 71) | |
142 | contcard(); | |
143 | while(*s) | |
144 | ptc(*s++); | |
145 | } | |
146 | ||
147 | contcard(){ | |
148 | int n; | |
149 | outbuf[outp] = '\0'; | |
150 | fprintf(outfil, "%s\n", outbuf); | |
151 | n = 6; | |
152 | if (printcom) { | |
153 | n += INDENT * indent + 1; | |
154 | if (n > 35) n = 35; | |
155 | } | |
156 | for( outp=0; outp<n; outbuf[outp++] = ' ' ); | |
157 | outbuf[contfld-1] = contchar; | |
158 | cont++; | |
159 | if (cont > 19) | |
160 | error("more than 19 continuation cards"); | |
161 | } | |
162 | ||
163 | outtab(){ | |
164 | int n; | |
165 | n = 6; | |
166 | if (printcom) { | |
167 | n += INDENT * indent; | |
168 | if (n > 35) n = 35; | |
169 | } | |
170 | while (outp < n) | |
171 | ptc(' '); | |
172 | } | |
173 | ||
174 | outnum(n) int n; { | |
175 | int a; | |
176 | if( a = n/10 ) | |
177 | outnum(a); | |
178 | ptc(n%10 + '0'); | |
179 | } | |
180 | ||
181 | outcont(n) int n; { | |
182 | transfer = 0; | |
183 | if (n == 0 && outp == 0) | |
184 | return; | |
185 | if( n > 0 ) | |
186 | outnum(n); | |
187 | outcode("\tcontinue"); | |
188 | outdon(); | |
189 | } | |
190 | ||
191 | outgoto(n) int n; { | |
192 | if (transfer != 0) | |
193 | return; | |
194 | outcode("\tgoto "); | |
195 | outnum(n); | |
196 | outdon(); | |
197 | } | |
198 | ||
199 | flushcom() { | |
200 | int i, j; | |
201 | if (printcom == 0) | |
202 | comptr = 0; | |
203 | else if (cont == 0 && comptr > 0) { | |
204 | for (i=j=0; i < comptr; i++) | |
205 | if (comment[i] == '\n') { | |
206 | comment[i] = '\0'; | |
207 | fprintf(outfil, "%s\n", &comment[j]); | |
208 | j = i + 1; | |
209 | } | |
210 | comptr = 0; | |
211 | } | |
212 | } |