1 /*
2 * Copyright (c) 2003, 2007-14 Matteo Frigo
3 * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 *
19 */
20
21
22 #include "kernel/ifftw.h"
23 #include <stddef.h>
24 #include <stdarg.h>
25 #include <stdio.h>
26
27 #define BSZ 64
28
myputs(printer * p,const char * s)29 static void myputs(printer *p, const char *s)
30 {
31 char c;
32 while ((c = *s++))
33 p->putchr(p, c);
34 }
35
newline(printer * p)36 static void newline(printer *p)
37 {
38 int i;
39
40 p->putchr(p, '\n');
41 for (i = 0; i < p->indent; ++i)
42 p->putchr(p, ' ');
43 }
44
45 static const char *digits = "0123456789abcdef";
46
putint(printer * p,INT i)47 static void putint(printer *p, INT i)
48 {
49 char buf[BSZ];
50 char *f = buf;
51
52 if (i < 0) {
53 p->putchr(p, '-');
54 i = -i;
55 }
56
57 do {
58 *f++ = digits[i % 10];
59 i /= 10;
60 } while (i);
61
62 do {
63 p->putchr(p, *--f);
64 } while (f != buf);
65 }
66
putulong(printer * p,unsigned long i,unsigned base,int width)67 static void putulong(printer *p, unsigned long i, unsigned base, int width)
68 {
69 char buf[BSZ];
70 char *f = buf;
71
72 do {
73 *f++ = digits[i % base];
74 i /= base;
75 } while (i);
76
77 while (width > f - buf) {
78 p->putchr(p, '0');
79 --width;
80 }
81
82 do {
83 p->putchr(p, *--f);
84 } while (f != buf);
85 }
86
vprint(printer * p,const char * format,va_list ap)87 static void vprint(printer *p, const char *format, va_list ap)
88 {
89 const char *s = format;
90 char c;
91 INT ival;
92
93 while ((c = *s++)) {
94 switch (c) {
95 case '%':
96 switch ((c = *s++)) {
97 case 'M': {
98 /* md5 value */
99 md5uint x = va_arg(ap, md5uint);
100 putulong(p, (unsigned long)(0xffffffffUL & x),
101 16u, 8);
102 break;
103 }
104 case 'c': {
105 int x = va_arg(ap, int);
106 p->putchr(p, (char)x);
107 break;
108 }
109 case 's': {
110 char *x = va_arg(ap, char *);
111 if (x)
112 myputs(p, x);
113 else
114 goto putnull;
115 break;
116 }
117 case 'd': {
118 int x = va_arg(ap, int);
119 ival = (INT)x;
120 goto putival;
121 }
122 case 'D': {
123 ival = va_arg(ap, INT);
124 goto putival;
125 }
126 case 'v': {
127 /* print optional vector length */
128 ival = va_arg(ap, INT);
129 if (ival > 1) {
130 myputs(p, "-x");
131 goto putival;
132 }
133 break;
134 }
135 case 'o': {
136 /* integer option. Usage: %oNAME= */
137 ival = va_arg(ap, INT);
138 if (ival)
139 p->putchr(p, '/');
140 while ((c = *s++) != '=')
141 if (ival)
142 p->putchr(p, c);
143 if (ival) {
144 p->putchr(p, '=');
145 goto putival;
146 }
147 break;
148 }
149 case 'u': {
150 unsigned x = va_arg(ap, unsigned);
151 putulong(p, (unsigned long)x, 10u, 0);
152 break;
153 }
154 case 'x': {
155 unsigned x = va_arg(ap, unsigned);
156 putulong(p, (unsigned long)x, 16u, 0);
157 break;
158 }
159 case '(': {
160 /* newline, augment indent level */
161 p->indent += p->indent_incr;
162 newline(p);
163 break;
164 }
165 case ')': {
166 /* decrement indent level */
167 p->indent -= p->indent_incr;
168 break;
169 }
170 case 'p': { /* note difference from C's %p */
171 /* print plan */
172 plan *x = va_arg(ap, plan *);
173 if (x)
174 x->adt->print(x, p);
175 else
176 goto putnull;
177 break;
178 }
179 case 'P': {
180 /* print problem */
181 problem *x = va_arg(ap, problem *);
182 if (x)
183 x->adt->print(x, p);
184 else
185 goto putnull;
186 break;
187 }
188 case 'T': {
189 /* print tensor */
190 tensor *x = va_arg(ap, tensor *);
191 if (x)
192 X(tensor_print)(x, p);
193 else
194 goto putnull;
195 break;
196 }
197 default:
198 A(0 /* unknown format */);
199 break;
200
201 putnull:
202 myputs(p, "(null)");
203 break;
204
205 putival:
206 putint(p, ival);
207 break;
208 }
209 break;
210 default:
211 p->putchr(p, c);
212 break;
213 }
214 }
215 }
216
print(printer * p,const char * format,...)217 static void print(printer *p, const char *format, ...)
218 {
219 va_list ap;
220 va_start(ap, format);
221 vprint(p, format, ap);
222 va_end(ap);
223 }
224
X(mkprinter)225 printer *X(mkprinter)(size_t size,
226 void (*putchr)(printer *p, char c),
227 void (*cleanup)(printer *p))
228 {
229 printer *s = (printer *)MALLOC(size, OTHER);
230 s->print = print;
231 s->vprint = vprint;
232 s->putchr = putchr;
233 s->cleanup = cleanup;
234 s->indent = 0;
235 s->indent_incr = 2;
236 return s;
237 }
238
X(printer_destroy)239 void X(printer_destroy)(printer *p)
240 {
241 if (p->cleanup)
242 p->cleanup(p);
243 X(ifree)(p);
244 }
245