-
Notifications
You must be signed in to change notification settings - Fork 784
/
generator.c
420 lines (380 loc) · 9.99 KB
/
generator.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
/*
** generator.c - Generator for mrbgems
**
** See Copyright Notice in mruby.h
*/
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <mrbconf.h>
/*
* Get the file name part of *path*
*
* Arguments:
* path:
* String which represents the path
*
*/
static char
*get_file_name(char *path)
{
char *base = strrchr(path, '/');
return base ? base+1 : path;
}
/*
* Search in *s* for *old* and replace with *new*.
*
* Arguments:
* s:
* String in which the the replacement will be done
* old:
* String which will be replaced
* new:
* String which will be the replacement
*
*/
static char
*replace(const char *s, const char *old, const char *new)
{
char *ret;
int i, count = 0;
size_t newlen = strlen(new);
size_t oldlen = strlen(old);
for (i = 0; s[i] != '\0'; i++) {
if (strstr(&s[i], old) == &s[i]) {
count++;
i += oldlen - 1;
}
}
ret = malloc(i + count * (newlen - oldlen));
if (ret == NULL)
exit(EXIT_FAILURE);
i = 0;
while (*s) {
if (strstr(s, old) == s) {
strcpy(&ret[i], new);
i += newlen;
s += oldlen;
}
else
ret[i++] = *s++;
}
ret[i] = '\0';
return ret;
}
/*
* Template generator for each active GEM
*
* Arguments:
* before:
* String before each GEM template
* after:
* String after each GEM template
* start:
* String at the start of the template
* end:
* String at the end of the template
* full_path
* Should the full path of the GEM be used?
*
*/
static char*
for_each_gem (char before[1024], char after[1024],
char start[1024], char end[1024],
int full_path, char active_gems[1024])
{
/* active GEM check */
FILE *active_gem_file;
char gem_char;
char gem_name[1024] = { 0 };
int char_index;
char gem_list[1024][1024] = { { 0 }, { 0 } };
int gem_index;
int i;
/* return value */
char* complete_line = malloc(4096 + sizeof(char));
strcpy(complete_line, "");
strcat(complete_line, start);
/* Read out the active GEMs */
active_gem_file = fopen(active_gems, "r+");
if (active_gem_file != NULL) {
char_index = 0;
gem_index = 0;
while((gem_char = fgetc(active_gem_file)) != EOF) {
if (gem_char == '\n') {
/* Every line contains one active GEM */
gem_name[char_index++] = '\0';
strcpy(gem_list[gem_index++], gem_name);
gem_name[0] = '\0';
char_index = 0;
}
else
gem_name[char_index++] = gem_char;
}
fclose(active_gem_file);
}
else { /* Error: Active GEM list couldn't be loaded */ }
for(i = 0; i < gem_index; i++) {
strcat(complete_line, before);
if (full_path == TRUE)
strcat(complete_line, gem_list[i]);
else
strcat(complete_line, get_file_name(gem_list[i]));
strcat(complete_line, replace(after, "#GEMNAME#", get_file_name(gem_list[i])));
}
strcat(complete_line, end);
return complete_line;
}
/*
* Gem Makefile Generator
*
* Global Makefile which starts the build process
* for every active GEM.
*
*/
static void
make_gem_makefile(char active_gems[1024])
{
char *gem_check = { 0 };
int gem_empty;
printf("ifeq ($(strip $(MRUBY_ROOT)),)\n"
" MRUBY_ROOT := $(realpath ../../..)\n"
"endif\n\n"
"MAKEFILE_4_GEM := $(MRUBY_ROOT)/mrbgems/Makefile4gem\n\n"
"CFLAGS := -I. -I$(MRUBY_ROOT)/include -I$(MRUBY_ROOT)/src\n\n"
"ifeq ($(OS),Windows_NT)\n"
" MAKE_FLAGS = --no-print-directory CC=$(CC) LL=$(LL) ALL_CFLAGS='$(ALL_CFLAGS)' MRUBY_ROOT='$(MRUBY_ROOT)' MAKEFILE_4_GEM='$(MAKEFILE_4_GEM)'\n"
"else\n"
" MAKE_FLAGS = --no-print-directory CC='$(CC)' LL='$(LL)' ALL_CFLAGS='$(ALL_CFLAGS)' MRUBY_ROOT='$(MRUBY_ROOT)' MAKEFILE_4_GEM='$(MAKEFILE_4_GEM)'\n"
"endif\n\n");
/* is there any GEM available? */
gem_check = for_each_gem("", "", "", "", TRUE, active_gems);
if (strcmp(gem_check, "") == 0)
gem_empty = TRUE;
else
gem_empty = FALSE;
/* Makefile Rules to build every single GEM */
printf(".PHONY : all\n");
if (gem_empty)
printf("all :\n\n");
else {
printf("all : all_gems\n\n");
/* Call make for every GEM */
printf("all_gems :\n%s\n",
for_each_gem("\t@$(MAKE) -C ", " $(MAKE_FLAGS)\n", "", "", TRUE, active_gems)
);
printf("\n");
}
/* Makefile Rules to Test GEMs */
printf(".PHONY : prepare-test\n"
"prepare-test :\n"
);
if (!gem_empty)
printf("%s",
for_each_gem(" ", "/test/*.rb ", "\tcat", " > mrbgemtest.rbtmp", TRUE, active_gems)
);
else
printf("\t$(MRUBY_ROOT)/mrbgems/generator rbtmp \"%s\"> mrbgemtest.rbtmp", active_gems);
printf("\n\t$(MRUBY_ROOT)/bin/mrbc -Bmrbgemtest_irep -omrbgemtest.ctmp mrbgemtest.rbtmp\n\n");
/* Makefile Rules to Clean GEMs */
printf(".PHONY : clean\n"
"clean :\n"
"\t$(RM) *.c *.d *.rbtmp *.ctmp *.o mrbtest\n");
if (!gem_empty)
printf("%s",
for_each_gem("\t@$(MAKE) clean -C ", " $(MAKE_FLAGS)\n", "", "", TRUE, active_gems)
);
}
/*
* Gem Makefile List Generator
*
* Creates a Makefile which will be included by other Makefiles
* which need to know which GEMs are active.
*
*/
static void
make_gem_makefile_list(char active_gems[1024])
{
printf("%s",
for_each_gem(" ", "/mrb-#GEMNAME#-gem.a", "GEM_LIST := ", "\n", TRUE, active_gems)
);
printf("GEM_ARCHIVE_FILES := $(MRUBY_ROOT)/mrbgems/gem_init.a\n"
"GEM_ARCHIVE_FILES += $(GEM_LIST)\n\n");
}
/*
* gem_init.c Generator
*
*/
static void
make_gem_init(char active_gems[1024])
{
printf("/*\n"
" * This file contains a list of all\n"
" * initializing methods which are\n"
" * necessary to bootstrap all gems.\n"
" *\n"
" * IMPORTANT:\n"
" * This file was generated!\n"
" * All manual changes will get lost.\n"
" */\n\n"
"#include \"mruby.h\"\n");
/* Protoype definition of all initialization methods */
printf("\n%s",
for_each_gem("void GENERATED_TMP_mrb_", "_gem_init(mrb_state*);\n", "", "", FALSE, active_gems)
);
printf("\n");
/* mrb_init_mrbgems(mrb) method for initialization of all GEMs */
printf("void\n"
"mrb_init_mrbgems(mrb_state *mrb) {\n");
printf( "%s",
for_each_gem(" GENERATED_TMP_mrb_", "_gem_init(mrb);\n", "", "", FALSE, active_gems)
);
printf("}");
}
/*
* Empty Generator
*
* Generates a clean file with one new line.
*
*/
static void
make_rbtmp(char active_gems[1024])
{
printf("\n");
}
/*
* Header Generator
*
* Head of the C Code for loading the GEMs into the interpreter.
*
*/
static void
make_gem_mrblib_header(char active_gems[1024])
{
printf("/*\n"
" * This file is loading the irep\n"
" * Ruby GEM code.\n"
" *\n"
" * IMPORTANT:\n"
" * This file was generated!\n"
" * All manual changes will get lost.\n"
" */\n\n"
"#include \"mruby.h\"\n"
"#include \"mruby/irep.h\"\n"
"#include \"mruby/dump.h\"\n"
"#include \"mruby/string.h\"\n"
"#include \"mruby/proc.h\"\n\n");
}
/*
* mrblib Generator
*
* Generates the C Code for loading
* the pure Ruby GEMs into the interpreter.
*
*/
static void
make_gem_mrblib(char argv[1024], char active_gems[1024])
{
printf("\n"
"void\n"
"GENERATED_TMP_mrb_%s_gem_init(mrb_state *mrb) {\n"
" mrb_load_irep(mrb, gem_mrblib_irep_%s);\n"
" if (mrb->exc) {\n"
" mrb_p(mrb, mrb_obj_value(mrb->exc));\n"
" exit(0);\n"
" }\n"
"}", argv, argv);
}
/*
* srclib Generator
*
* Generates the C Code for loading
* the pure C GEMs into the interpreter.
*
*/
static void
make_gem_srclib(char argv[1024], char active_gems[1024])
{
printf("/*\n"
" * This file is loading the irep\n"
" * Ruby GEM code.\n"
" *\n"
" * IMPORTANT:\n"
" * This file was generated!\n"
" * All manual changes will get lost.\n"
" */\n\n"
"#include \"mruby.h\"\n");
printf("\n"
"void mrb_%s_gem_init(mrb_state*);\n", argv);
printf("\n"
"void\n"
"GENERATED_TMP_mrb_%s_gem_init(mrb_state *mrb) {\n"
" mrb_%s_gem_init(mrb);\n"
"}", argv, argv);
}
/*
* mixlib Generator
*
* Generates the C Code for loading
* the mixed Ruby and C GEMs
* into the interpreter.
*
*/
static void
make_gem_mixlib(char argv[1024], char active_gems[1024])
{
printf("\n"
"void mrb_%s_gem_init(mrb_state*);\n", argv);
printf("\n"
"void\n"
"GENERATED_TMP_mrb_%s_gem_init(mrb_state *mrb) {\n"
" mrb_%s_gem_init(mrb);\n"
" mrb_load_irep(mrb, gem_mrblib_irep_%s);\n"
" if (mrb->exc) {\n"
" mrb_p(mrb, mrb_obj_value(mrb->exc));\n"
" exit(0);\n"
" }\n"
"}", argv, argv, argv);
}
/*
* Start the generator and decide what to generate.
*
*/
int
main (int argc, char *argv[])
{
const char * argument_info = "Wrong argument! Options: 'makefile', 'gem_init', 'rbtmp', 'gem_mrblib', gem_srclib\n";
if (argc == 3) {
if (strcmp(argv[1], "makefile") == 0)
make_gem_makefile(argv[2]);
else if (strcmp(argv[1], "makefile_list") == 0)
make_gem_makefile_list(argv[2]);
else if (strcmp(argv[1], "gem_init") == 0)
make_gem_init(argv[2]);
else if (strcmp(argv[1], "rbtmp") == 0)
make_rbtmp(argv[2]);
else if (strcmp(argv[1], "gem_mrblib") == 0)
make_gem_mrblib_header(argv[2]);
else {
printf("%s", argument_info);
return 1;
}
}
else if (argc == 4) {
if (strcmp(argv[1], "gem_mrblib") == 0)
make_gem_mrblib(argv[2], argv[3]);
else if (strcmp(argv[1], "gem_srclib") == 0)
make_gem_srclib(argv[2], argv[3]);
else if (strcmp(argv[1], "gem_mixlib") == 0)
make_gem_mixlib(argv[2], argv[3]);
else {
printf("%s", argument_info);
return 1;
}
}
else {
printf("%s", argument_info);
return 1;
}
return 0;
}