asar coverage - build #266

src/asar/
File: src/asar/main.cpp
Date: 2025-03-01 20:27:29
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1 // "because satanism is best defeated by summoning a bigger satan"
2 // ~Alcaro, 2019 (discussing Asar)
3 #include "addr2line.h"
4 #include "asar.h"
5 #include "virtualfile.h"
6 #include "platform/file-helpers.h"
7 #include "assembleblock.h"
8 #include "asar_math.h"
9 #include "macro.h"
10 #include <algorithm>
11 #include <ctime>
12 // randomdude999: remember to also update the .rc files (in res/windows/) when changing this.
13 // Couldn't find a way to automate this without shoving the version somewhere in the CMake files
14 const int asarver_maj=2;
15 const int asarver_min=0;
16 const int asarver_bug=0;
17 const bool asarver_beta=true;
18
19 #ifdef _I_RELEASE
20 extern char blockbetareleases[(!asarver_beta)?1:-1];
21 #endif
22 #ifdef _I_DEBUG
23 extern char blockreleasedebug[(asarver_beta)?1:-1];
24 #endif
25
26 unsigned const char * romdata_r;
27 int romlen_r;
28
29 int pass;
30
31 int optimizeforbank=-1;
32 int optimize_dp = optimize_dp_flag::ALWAYS;
33 int dp_base = 0;
34 int optimize_address = optimize_address_flag::MIRRORS;
35
36 autoarray<callstack_entry> callstack;
37
38 bool errored=false;
39 bool ignoretitleerrors=false;
40
41 int recursioncount=0;
42
43 virtual_filesystem* filesystem = nullptr;
44
45 AddressToLineMapping addressToLineMapping;
46
47 284 int get_version_int()
48 {
49 284 return asarver_maj * 10000 + asarver_min * 100 + asarver_bug;
50 }
51
52 ✗ bool setmapper()
53 {
54 ✗ int maxscore=-99999;
55 ✗ mapper_t bestmap=lorom;
56 ✗ mapper_t maps[]={lorom, hirom, exlorom, exhirom};
57 ✗ for (size_t mapid=0;mapid<sizeof(maps)/sizeof(maps[0]);mapid++)
58 {
59 ✗ mapper=maps[mapid];
60 ✗ int score=0;
61 ✗ int highbits=0;
62 ✗ bool foundnull=false;
63 ✗ for (int i=0;i<21;i++)
64 {
65 ✗ unsigned char c=romdata[snestopc(0x00FFC0+i)];
66 ✗ if (foundnull && c) score-=4;//according to some documents, NUL terminated names are possible - but they shouldn't appear in the middle of the name
67 ✗ if (c>=128) highbits++;
68 ✗ else if (is_upper(c)) score+=3;
69 ✗ else if (c==' ') score+=2;
70 ✗ else if (is_digit(c)) score+=1;
71 ✗ else if (is_lower(c)) score+=1;
72 ✗ else if (c=='-') score+=1;
73 ✗ else if (!c) foundnull=true;
74 ✗ else score-=3;
75 }
76 ✗ if (highbits>0 && highbits<=14) score-=21;//high bits set on some, but not all, bytes = unlikely to be a ROM
77 ✗ if ((romdata[snestopc(0x00FFDE)]^romdata[snestopc(0x00FFDC)])!=0xFF ||
78 ✗ (romdata[snestopc(0x00FFDF)]^romdata[snestopc(0x00FFDD)])!=0xFF) score=-99999;//checksum doesn't match up to 0xFFFF? Not a ROM.
79 //too lazy to check the real checksum
80 ✗ if (score>maxscore)
81 {
82 ✗ maxscore=score;
83 ✗ bestmap=mapper;
84 }
85 }
86 ✗ mapper=bestmap;
87
88 //detect oddball mappers
89 ✗ int mapperbyte=romdata[snestopc(0x00FFD5)];
90 ✗ int romtypebyte=romdata[snestopc(0x00FFD6)];
91 ✗ if (mapper==lorom)
92 {
93 ✗ if (mapperbyte==0x23 && (romtypebyte==0x32 || romtypebyte==0x34 || romtypebyte==0x35)) mapper=sa1rom;
94 }
95 ✗ return (maxscore>=0);
96 }
97
98
99 bool simple_callstacks = true;
100
101 // Shortens target_path to a relative path, but only if it resides
102 // within base_path or a child directory of it.
103 3888 static string shorten_to_relative_path(const char* base_path, const char* target_path)
104 {
105
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 3888 if (stribegin(target_path, base_path)) target_path += strlen(base_path);
106 3888 return target_path;
107 }
108
109 3888 static string get_top_level_directory()
110 {
111 3888 string top_level_file_dir;
112
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 3888 for (int i = 0; i < callstack.count; ++i)
113 {
114
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 3888 if (callstack[i].type == callstack_entry_type::FILE)
115 {
116
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 3888 top_level_file_dir = dir(callstack[i].content);
117 3888 break;
118 }
119 }
120 3888 return top_level_file_dir;
121 ✗ }
122
123 3846 static string generate_call_details_string(const char* current_block, const char* current_call, int indentation, bool add_lines)
124 {
125 3846 string e;
126
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 3846 if (current_block != nullptr || current_call != nullptr)
127 {
128 3834 string indent;
129
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 3834 if (add_lines) indent += "|";
130
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 4894 for (; indentation > 0; --indentation) indent += " ";
131
132
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 3834 if (current_block != nullptr) e += STR "\n"+indent+"in block: ["+current_block+"]";
133
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 3834 if (current_call != nullptr) e += STR "\n"+indent+"in macro call: [%"+current_call+"]";
134 3834 }
135 3846 return e;
136 ✗ }
137
138 3888 static string get_pretty_filename(const char* current_file)
139 {
140 // RPG Hacker: One could make an argument that we shouldn't shorten paths
141 // here, since some IDEs support jumping to files by double-clicking their
142 // paths. However, AFAIK, no IDE supports this for Asar yet, and if it's
143 // ever desired, we could just make it a command line option. Until then,
144 // I think it's more important to optimize for pretty command line display.
145
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 7776 return shorten_to_relative_path(get_top_level_directory(), current_file);
146 }
147
148 311 static string generate_filename_and_line(const char* current_file, int current_line_no)
149 {
150
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 622 return STR current_file
151
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 933 + (current_line_no>=0?STR ":"+dec(current_line_no+1):"");
152 }
153
154 4 static string format_stack_line(const printable_callstack_entry& entry, int stack_frame_index)
155 {
156
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 4 string indent = "\n| ";
157
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 4 indent += dec(stack_frame_index);
158
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 4 indent += ": ";
159 // RPG Hacker: We'll probably never have a call stack in the
160 // hundreds even, so this very specific, lazy solution suffices.
161
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 4 if (stack_frame_index < 100) indent += " ";
162
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 4 if (stack_frame_index < 10) indent += " ";
163 return indent
164
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 8 + generate_filename_and_line(entry.prettypath, entry.lineno)
165
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 12 + entry.details;
166 4 }
167
168 3581 static void push_stack_line(autoarray<printable_callstack_entry>* out, const char* current_file, const char* current_block, const char* current_call, int current_line_no, int indentation, bool add_lines)
169 {
170 3581 printable_callstack_entry new_entry;
171
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 3581 new_entry.fullpath = current_file;
172
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 3581 new_entry.prettypath = get_pretty_filename(current_file);
173 3581 new_entry.lineno = current_line_no;
174
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 3581 new_entry.details = generate_call_details_string(current_block, current_call, indentation, add_lines).raw();
175
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 3581 out->append(new_entry);
176 4838 }
177
178 266 void get_current_line_details(string* location, string* details, bool exclude_block)
179 {
180 266 const char* current_file = nullptr;
181 266 const char* current_block = nullptr;
182 266 const char* current_call = nullptr;
183 266 int current_line_no = -1;
184
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 909 for (int i = callstack.count-1; i >= 0 ; --i)
185 {
186
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 908 switch (callstack[i].type)
187 {
188 265 case callstack_entry_type::FILE:
189 265 current_file = callstack[i].content;
190
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 265 if (exclude_block) current_block = nullptr;
191
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 265 *location = generate_filename_and_line(get_pretty_filename(current_file), current_line_no);
192
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 265 *details = generate_call_details_string(current_block, current_call, 4, false);
193 265 return;
194 ✗ case callstack_entry_type::MACRO_CALL:
195 ✗ if (current_call == nullptr) current_call = callstack[i].content;
196 ✗ break;
197 253 case callstack_entry_type::LINE:
198
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 253 if (current_block == nullptr && current_call == nullptr) current_block = callstack[i].content;
199
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 253 if (current_line_no == -1) current_line_no = callstack[i].lineno;
200 253 break;
201 390 case callstack_entry_type::BLOCK:
202
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 390 if (current_block == nullptr) current_block = callstack[i].content;
203 390 break;
204 }
205 }
206 1 *location = "";
207 1 *details = "";
208 }
209
210 268 void get_full_printable_callstack(autoarray<printable_callstack_entry>* out, int indentation, bool add_lines)
211 {
212 268 out->reset();
213 268 const char* current_file = nullptr;
214 268 const char* current_block = nullptr;
215 268 const char* current_call = nullptr;
216 268 int current_line_no = -1;
217
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 15558 for (int i = 0; i < callstack.count; ++i)
218 {
219
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 15290 switch (callstack[i].type)
220 {
221 3848 case callstack_entry_type::FILE:
222
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 3848 if (current_file != nullptr)
223 {
224 3581 push_stack_line(out, current_file, current_block, current_call, current_line_no, indentation, add_lines);
225 }
226 3848 current_file = callstack[i].content;
227 3848 current_block = nullptr;
228 3848 current_call = nullptr;
229 3848 current_line_no = -1;
230 3848 break;
231 50 case callstack_entry_type::MACRO_CALL:
232 50 current_block = nullptr;
233 50 current_call = callstack[i].content;
234 50 break;
235 3836 case callstack_entry_type::LINE:
236 3836 current_line_no = callstack[i].lineno;
237 3836 current_block = callstack[i].content;
238 3836 break;
239 7556 case callstack_entry_type::BLOCK:
240 7556 current_block = callstack[i].content;
241 7556 break;
242 }
243 }
244 268 }
245
246 2 static string get_full_callstack()
247 {
248 2 autoarray<printable_callstack_entry> printable_stack;
249
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 2 get_full_printable_callstack(&printable_stack, 12, true);
250
251 2 string e;
252
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 2 if (printable_stack.count > 0)
253 {
254
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 2 e += "\nFull call stack:";
255
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 6 for (int i = printable_stack.count-1; i >= 0; --i)
256 {
257
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 4 e += format_stack_line(printable_stack[i], i);
258 }
259 }
260 4 return e;
261 2 }
262
263 // RPG Hacker: This function essetially replicates classic Asar behavior
264 // of only printing a single macro call below the current level.
265 264 static string get_simple_callstack()
266 {
267 int i;
268 264 const char* current_call = nullptr;
269
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 15288 for (i = callstack.count-1; i >= 0 ; --i)
270 {
271
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 15066 if (callstack[i].type == callstack_entry_type::MACRO_CALL)
272 {
273 42 current_call = callstack[i].content;
274 42 break;
275 }
276 }
277
278 264 const char* current_file = nullptr;
279 264 int current_line_no = -1;
280
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 264 if (current_call != nullptr)
281 {
282 42 bool stop = false;
283
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 168 for (int j = i-1; j >= 0 ; --j)
284 {
285
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 168 switch (callstack[j].type)
286 {
287 42 case callstack_entry_type::FILE:
288
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 42 if (current_file != nullptr)
289 {
290 ✗ stop = true;
291 ✗ break;
292 }
293 42 current_file = callstack[j].content;
294 42 break;
295 ✗ case callstack_entry_type::MACRO_CALL:
296 ✗ stop = true;
297 ✗ break;
298 42 case callstack_entry_type::LINE:
299
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 42 if (current_line_no == -1) current_line_no = callstack[j].lineno;
300 42 break;
301 84 case callstack_entry_type::BLOCK:
302 84 break;
303 }
304
305
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 168 if (current_file != nullptr && current_line_no != -1) stop = true;
306
307
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 168 if (stop) break;
308 }
309 }
310
311 264 string e;
312
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 264 if (current_call != nullptr && current_file != nullptr)
313 {
314
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 84 e += STR "\n called from: " + generate_filename_and_line(get_pretty_filename(current_file), current_line_no)
315
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 105 + ": [%" + current_call + "]";
316 }
317 264 return e;
318 }
319
320 266 string get_callstack()
321 {
322
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 266 if (simple_callstacks)
323 264 return get_simple_callstack();
324 else
325 2 return get_full_callstack();
326 }
327
328 36 asar_error_id vfile_error_to_error_id(virtual_file_error vfile_error)
329 {
330
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 36 switch (vfile_error)
331 {
332 12 case vfe_doesnt_exist:
333 12 return error_id_file_not_found;
334 ✗ case vfe_access_denied:
335 ✗ return error_id_failed_to_open_file_access_denied;
336 24 case vfe_not_regular_file:
337 24 return error_id_failed_to_open_not_regular_file;
338 ✗ case vfe_unknown:
339 case vfe_none:
340 case vfe_num_errors:
341 ✗ return error_id_failed_to_open_file;
342 }
343
344 ✗ return error_id_failed_to_open_file;
345 }
346
347 36 virtual_file_error asar_get_last_io_error()
348 {
349
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 36 if (filesystem != nullptr)
350 {
351 36 return filesystem->get_last_error();
352 }
353
354 ✗ return vfe_unknown;
355 }
356
357 657 int getlenforlabel(int labelpos, int label_fs_id, bool exists)
358 {
359 657 unsigned int bank = labelpos>>16;
360 657 unsigned int word = labelpos&0xFFFF;
361 657 bool lblfreespace = label_fs_id > 0;
362 unsigned int relaxed_bank;
363
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 657 if(optimizeforbank >= 0) {
364 24 relaxed_bank = optimizeforbank;
365 } else {
366
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 633 if(freespaceid == 0) {
367 505 relaxed_bank = snespos >> 16;
368 } else {
369 128 int target_bank = freespaces[freespaceid].bank;
370
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 128 if(target_bank == -2) relaxed_bank = 0;
371
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 44 else if(target_bank == -1) relaxed_bank = 0x40;
372 ✗ else relaxed_bank = target_bank;
373 }
374 }
375
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 657 if (!exists)
376 {
377 ✗ return 2;
378 }
379
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 657 else if((optimize_dp == optimize_dp_flag::RAM) && bank == 0x7E && (word-dp_base < 0x100) && !lblfreespace)
380 {
381 6 return 1;
382 }
383
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 651 else if(optimize_dp == optimize_dp_flag::ALWAYS && (bank == 0x7E || !(bank & 0x40)) && (word-dp_base < 0x100) && !lblfreespace)
384 {
385 23 return 1;
386 }
387 628 else if (
388 // if we should optimize ram accesses...
389
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 628 (optimize_address == optimize_address_flag::RAM || optimize_address == optimize_address_flag::MIRRORS)
390 // and we're in a bank with ram mirrors... (optimizeforbank=0x7E is checked later)
391
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 520 && !(relaxed_bank & 0x40)
392 // and the label is in low RAM
393
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 488 && bank == 0x7E && word < 0x2000 && !lblfreespace)
394 {
395 18 return 2;
396 }
397 610 else if (
398 // if we should optimize mirrors...
399
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 610 optimize_address == optimize_address_flag::MIRRORS
400 // we're in a bank with ram mirrors...
401
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 478 && !(relaxed_bank & 0x40)
402 // and the label is in a mirrored section
403
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 452 && !(bank & 0x40) && word < 0x8000 && !lblfreespace)
404 {
405 24 return 2;
406 }
407
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 586 else if (optimizeforbank>=0)
408 {
409 // if optimizing for a specific bank:
410 // if the label is in freespace, never optimize
411
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 24 if (lblfreespace) return 3;
412
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 24 else if (bank==(unsigned int)optimizeforbank) return 2;
413 12 else return 3;
414 }
415
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 562 else if (lblfreespace || freespaceid > 0)
416 {
417 // optimize only if the label is in the same freespace
418 // TODO: check whether they're pinned to the same bank
419
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 208 if (label_fs_id != freespaceid) return 3;
420 32 else return 2;
421 }
422
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 354 else if ((int)bank != snespos >> 16){ return 3; }
423 324 else { return 2;}
424 }
425 645 int getlenforlabel(snes_label thislabel, bool exists) {
426 645 return getlenforlabel(thislabel.pos, thislabel.freespace_id, exists);
427 }
428
429
430 315 bool is_hex_constant(const char* str){
431
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 315 if (*str=='$')
432 {
433 216 str++;
434
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 816 while(is_xdigit(*str)) {
435 600 str++;
436 }
437
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 216 if(*str=='\0'){
438 216 return true;
439 }
440 }
441 99 return false;
442 }
443
444 struct strcompare {
445 bool operator() (const char * lhs, const char * rhs) const
446 {
447 return strcmp(lhs, rhs)<0;
448 }
449 };
450
451 struct stricompare {
452 bool operator() (const char * lhs, const char * rhs) const
453 {
454 return stricmp(lhs, rhs)<0;
455 }
456 };
457
458 struct sourcefile {
459 char *data;
460 char** contents;
461 int numlines;
462 };
463
464 static assocarr<sourcefile> filecontents;
465 assocarr<string> defines;
466 // needs to be separate because defines is reset between parsing arguments and patching
467 assocarr<string> clidefines;
468 assocarr<string> builtindefines;
469
470 202 bool validatedefinename(const char * name)
471 {
472
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 202 if (!name[0]) return false;
473
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 1120 for (int i = 0;name[i];i++)
474 {
475
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 918 if (!is_ualnum(name[i])) return false;
476 }
477
478 202 return true;
479 }
480
481 59786 void resolvedefines(string& out, const char * start)
482 {
483
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 59786 recurseblock rec;
484 59784 const char * here=start;
485
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 59784 if (!strchr(here, '!'))
486 {
487
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 49317 out += here;
488 49317 return;
489 }
490
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 82376 while (*here)
491 {
492
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 71940 if (here[0] == '\\' && here[1] == '\\')
493 {
494 // allow using \\ as escape sequence
495
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 6 if (in_macro_def > 0) out += "\\";
496
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 6 out += "\\";
497 6 here += 2;
498 }
499
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 71934 else if (here[0] == '\\' && here[1] == '!')
500 {
501 // allow using \! to escape !
502
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 42 if (in_macro_def > 0) out += "\\";
503
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 42 out+="!";
504 42 here += 2;
505 }
506
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 71892 else if (*here=='!')
507 {
508
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 11241 bool first=(here==start || (here>=start+4 && here[-1]==' ' && here[-2]==':' && here[-3]==' '));//check if it's the start of a block
509 11241 string defname;
510 11241 here++;
511
512 11241 int depth = 0;
513
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 11355 for (const char* depth_str = here; *depth_str=='^'; depth_str++)
514 {
515 114 depth++;
516 }
517 11241 here += depth;
518
519
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 11241 if (depth != in_macro_def)
520 {
521
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 1323 out += '!';
522
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 1389 for (int i=0; i < depth; ++i) out += '^';
523
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 1323 if (depth > in_macro_def) asar_throw_error(0, error_type_line, error_id_invalid_depth_resolve, "define", "define", depth, in_macro_def);
524 1305 continue;
525 1305 }
526
527
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 9918 if (*here=='{')
528 {
529 108 here++;
530 108 string unprocessedname;
531 108 int braces=1;
532 while (true)
533 {
534
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 1152 if (*here=='{') braces++;
535
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 1152 if (*here=='}') braces--;
536
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 1152 if (!*here) asar_throw_error(0, error_type_line, error_id_mismatched_braces);
537
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 1152 if (!braces) break;
538
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 1044 unprocessedname+=*here++;
539 }
540 108 here++;
541
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 108 resolvedefines(defname, unprocessedname);
542
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 108 if (!validatedefinename(defname)) asar_throw_error(0, error_type_line, error_id_invalid_define_name);
543 108 }
544 else
545 {
546
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 59596 while (is_ualnum(*here)) defname+=*here++;
547 }
548
549
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 9918 if (first)
550 {
551 enum {
552 null,
553 append,
554 expand,
555 domath,
556 setifnotset,
557 } mode;
558 if(0);
559
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 5271 else if (stribegin(here, " = ")) { here+=3; mode=null; }
560
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 4749 else if (stribegin(here, " += ")) { here+=4; mode=append; }
561
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 4647 else if (stribegin(here, " := ")) { here+=4; mode=expand; }
562
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 4590 else if (stribegin(here, " #= ")) { here+=4; mode=domath; }
563
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 2664 else if (stribegin(here, " ?= ")) { here+=4; mode=setifnotset; }
564 2664 else goto notdefineset;
565 2607 string val;
566
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 2607 if (*here=='"')
567 {
568 189 here++;
569 while (true)
570 {
571
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 1023 if (*here=='"')
572 {
573
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 195 if (!here[1] || here[1]==' ') break;
574
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 6 else if (here[1]=='"') here++;
575 ✗ else asar_throw_error(0, error_type_line, error_id_broken_define_declaration);
576 }
577
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 834 val+=*here++;
578 }
579 189 here++;
580 }
581 else
582 {
583
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 19053 while (*here && *here!=' ') val+=*here++;
584 }
585 //if (strqchr(val.data(), ';')) *strqchr(val.data(), ';')=0;
586
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 2607 if (*here && !stribegin(here, " : ")) asar_throw_error(0, error_type_line, error_id_broken_define_declaration);
587 // RPG Hacker: Is it really a good idea to normalize
588 // the content of defines? That kinda violates their
589 // functionality as a string replacement mechanism.
590 //val.qnormalize();
591
592 // RPG Hacker: throw an error if we're trying to overwrite built-in defines.
593
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 2607 if (builtindefines.exists(defname))
594 {
595 6 asar_throw_error(0, error_type_line, error_id_overriding_builtin_define, defname.data());
596 }
597
598
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 2601 switch (mode)
599 {
600 516 case null:
601 {
602
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 516 defines.create(defname) = val;
603 516 break;
604 }
605 102 case append:
606 {
607
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 102 if (!defines.exists(defname)) asar_throw_error(0, error_type_line, error_id_define_not_found, defname.data());
608
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 102 string oldval = defines.find(defname);
609
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 102 val=oldval+val;
610
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 102 defines.create(defname) = val;
611 102 break;
612 102 }
613 57 case expand:
614 {
615 57 string newval;
616
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 57 resolvedefines(newval, val);
617
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 57 defines.create(defname) = newval;
618 57 break;
619 57 }
620 1926 case domath:
621 {
622 1926 string newval;
623
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 1926 resolvedefines(newval, val);
624
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 1935 double num= parse_math_expr(newval)->evaluate_static().get_double();
625
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 1920 defines.create(defname) = ftostr(num);
626 1920 break;
627 1926 }
628 ✗ case setifnotset:
629 {
630 ✗ if (!defines.exists(defname)) defines.create(defname) = val;
631 ✗ break;
632 }
633 }
634 2607 }
635 else
636 {
637 5982 notdefineset:
638
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 7311 if (!defname) out+="!";
639 else
640 {
641
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 7242 if (!defines.exists(defname)) asar_throw_error(0, error_type_line, error_id_define_not_found, defname.data());
642 else {
643
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 7241 string thisone = defines.find(defname);
644
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 7241 resolvedefines(out, thisone);
645 7241 }
646 }
647 }
648
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 11241 }
649
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 60651 else out+=*here++;
650 }
651
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 10436 if (!confirmquotes(out)) { asar_throw_error(0, error_type_null, error_id_mismatched_quotes); out = ""; }
652
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 59784 }
653
654 bool moreonline;
655 bool asarverallowed = false;
656
657 48858 void assembleline(const char * fname, int linenum, const char * line, int& single_line_for_tracker)
658 {
659
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 48858 recurseblock rec;
660
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 48858 bool moreonlinetmp=moreonline;
661 // randomdude999: redundant, assemblefile already converted the path to absolute
662 //string absolutepath = filesystem->create_absolute_path("", fname);
663
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 48858 string absolutepath = fname;
664 48858 single_line_for_tracker = 1;
665 try
666 {
667
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 48858 string out=line;
668
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 48858 autoptr<char**> blocks=qsplitstr(out.temp_raw(), " : ");
669 48858 moreonline=true;
670
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 96054 for (int block=0;moreonline;block++)
671 {
672 50727 moreonline=(blocks[block+1] != nullptr);
673 try
674 {
675 // it's possible that our input looks something like:
676 // nop : : nop
677 // nop : : : : : nop
678 // also, it's possible that there were empty blocks at the start or end of the line:
679 // : nop :
680 // after qsplit, we still need to deal with possibly a single ": " from a preceding empty block,
681 // and if it's the last block, possibly a following " :".
682
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 50727 string stripped_block = strip_whitespace(blocks[block]);
683 50727 int i = 0;
684 // if the block starts with ": "
685
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 50727 if(stripped_block[i] == ':' && stripped_block[i+1] == ' ') {
686 24 i++;
687
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 48 while(stripped_block[i] == ' ') i++;
688 }
689 // if the block is a single :, skip that too.
690
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 50727 if(stripped_block[i] == ':' && stripped_block[i+1] == 0) i++;
691
692 // last block - strip trailing " :" if present.
693
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 50727 if(!moreonline && stripped_block.length() >= 2 && stripped_block[stripped_block.length()-2] == ' ' && stripped_block[stripped_block.length()-1] == ':') {
694
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 12 stripped_block.truncate(stripped_block.length()-2);
695 }
696
697
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 50727 callstack_push cs_push(callstack_entry_type::BLOCK, stripped_block.data() + i);
698
699
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 50727 assembleblock(stripped_block.data() + i, single_line_for_tracker);
700
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 46854 checkbankcross();
701 54604 }
702
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 3877 catch (errblock&) {}
703
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 47196 if (blocks[block][0]!='\0') asarverallowed=false;
704
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 47196 if(single_line_for_tracker == 1) single_line_for_tracker = 0;
705 }
706 52389 }
707
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 3531 catch (errline&) {}
708 45327 moreonline=moreonlinetmp;
709 75201 }
710
711 int incsrcdepth=0;
712
713 // Returns true if a file is protected via
714 // an "includeonce".
715 4546 bool file_included_once(const char* file)
716 {
717
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 4744 for (int i = 0; i < includeonce.count; ++i)
718 {
719
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 240 if (includeonce[i] == file)
720 {
721 42 return true;
722 }
723 }
724
725 4504 return false;
726 }
727
728 autoarray<string> macro_defs;
729 int in_macro_def=0;
730
731 4516 void assemblefile(const char * filename)
732 {
733 4516 incsrcdepth++;
734
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 4516 string absolutepath = filesystem->create_absolute_path(get_current_file_name(), filename);
735
736
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 4516 if (file_included_once(absolutepath))
737 {
738 42 return;
739 }
740
741
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 4474 callstack_push cs_push(callstack_entry_type::FILE, absolutepath);
742
743 1758 sourcefile file;
744 4474 file.contents = nullptr;
745 4474 file.numlines = 0;
746 4474 int startif=numif;
747
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 4474 if (!filecontents.exists(absolutepath))
748 {
749
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 331 char * temp = readfile(absolutepath, "");
750
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 329 if (!temp)
751 {
752
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 6 asar_throw_error(0, error_type_null, vfile_error_to_error_id(asar_get_last_io_error()), filename);
753
754 6 return;
755 }
756
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 323 sourcefile& newfile = filecontents.create(absolutepath);
757
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 323 newfile.contents =split(temp, '\n');
758 323 newfile.data = temp;
759
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 12118 for (int i=0;newfile.contents[i];i++)
760 {
761 11795 newfile.numlines++;
762 11795 char * line = newfile.contents[i];
763 11795 int i_temp = i;
764 char * comment;
765
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 14925 while((comment = strqchr(line, ';'))) {
766
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 3132 if(comment[1] == '[' && comment[2] == '[') {
767 // block comment - find where it ends
768 12 char* theline = comment + 3;
769
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 12 char* comment_end = strstr(theline, "]]");
770
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 30 while(comment_end == nullptr) {
771 20 i_temp++;
772 20 char* new_line = newfile.contents[i_temp];
773
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 20 if(new_line == nullptr) {
774
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 2 callstack_push cs_push(callstack_entry_type::LINE, line, i);
775
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 2 asar_throw_error(0, error_type_null, error_id_unclosed_block_comment);
776 // make sure this line is still parsed correctly
777 2 *comment = 0;
778 // but don't go looking at any other lines
779 2 goto break_outer;
780 2 }
781
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 18 comment_end = strstr(new_line, "]]");
782 // this line is itself part of the comment, so ignore it
783 //new_line[0] = 0;
784 // except not like that^, because that will break the
785 // memmove below
786 static char junk[]="";
787 // using a static here should be fine, since if the line
788 // doesn't contain ',' or '\' we won't go mutating it
789 18 newfile.contents[i_temp] = junk;
790 }
791 // comment_end+2 is a valid pointer, since comment_end is
792 // guaranteed to start with ]]
793 10 comment_end += 2;
794 // stitch together the part of the line before the comment,
795 // and the part of the line after it
796
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 10 memmove(comment, comment_end, strlen(comment_end) + 1);
797 // and then recheck for ; in the line again...
798 10 } else {
799 3120 *comment = 0;
800 }
801 }
802 11794 break_outer:
803
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 11795 if (!confirmquotes(line)) {
804
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 4 callstack_push cs_push(callstack_entry_type::LINE, line, i);
805
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 4 asar_throw_error(0, error_type_null, error_id_mismatched_quotes);
806 4 line[0] = '\0';
807 4 }
808 11795 newfile.contents[i] = strip_whitespace(line);
809 }
810
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 12118 for(int i=0;newfile.contents[i];i++)
811 {
812 11795 char* line = newfile.contents[i];
813
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 11795 if(!*line) continue;
814
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 7329 for (int j=1;line[strlen(line) - 1] == ',' && newfile.contents[i+j];j++)
815 {
816 // not using strcat because the source and dest overlap here
817 10 char* otherline = newfile.contents[i+j];
818
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 10 char* line_end = line + strlen(line);
819
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 138 while(*otherline) *line_end++ = *otherline++;
820 10 *line_end = '\0';
821 static char nullstr[]="";
822 10 newfile.contents[i+j]=nullstr;
823 }
824 }
825 323 file = newfile;
826 } else { // filecontents.exists(absolutepath)
827
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 4143 file = filecontents.find(absolutepath);
828 }
829 4466 asarverallowed=true;
830
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 46205 for (int i=0;file.contents[i] && i<file.numlines;i++)
831 {
832 45272 string connectedline;
833
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 45272 int skiplines = getconnectedlines<char**>(file.contents, i, connectedline);
834
835
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 45272 bool was_loop_end = do_line_logic(connectedline, absolutepath, i);
836 41739 i += skiplines;
837
838 // if a loop ended on this line, should it run again?
839
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 41739 if (was_loop_end && whilestatus[numif].cond)
840
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 1332 i = whilestatus[numif].startline - 1;
841 45272 }
842
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 945 while (in_macro_def > 0)
843 {
844
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 12 asar_throw_error(0, error_type_null, error_id_unclosed_macro, macro_defs[in_macro_def-1].data());
845
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 12 if (!pass && in_macro_def == 1) endmacro(false);
846 12 in_macro_def--;
847 12 macro_defs.remove(in_macro_def);
848 }
849
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 933 if (numif!=startif)
850 {
851 ✗ numif=startif;
852 ✗ numtrue=startif;
853 ✗ asar_throw_error(0, error_type_null, error_id_unclosed_if);
854 }
855 933 incsrcdepth--;
856
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 8057 }
857
858 // RPG Hacker: At some point, this should probably be merged
859 // into assembleline(), since the two names just cause
860 // confusion otherwise.
861 // return value is "did a loop end on this line"
862 52310 bool do_line_logic(const char* line, const char* filename, int lineno)
863 {
864 52310 int prevnumif = numif;
865 52310 int single_line_for_tracker = 1;
866 try
867 {
868 52310 string current_line;
869
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 52310 if (numif==numtrue || (numtrue+1==numif && stribegin(line, "elseif ")))
870 {
871
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 49202 callstack_push cs_push(callstack_entry_type::LINE, line, lineno);
872
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 49202 string tmp=replace_macro_args(line);
873
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 49100 tmp.qnormalize();
874
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 49100 resolvedefines(current_line, tmp);
875
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 49068 if (!confirmquotes(current_line)) asar_throw_error(0, error_type_line, error_id_mismatched_quotes);
876 49234 }
877
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 3108 else current_line=line;
878
879
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 52176 callstack_push cs_push(callstack_entry_type::LINE, current_line, lineno);
880
881
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 52176 if (stribegin(current_line, "macro ") && numif==numtrue)
882 {
883 // RPG Hacker: Slight redundancy here with code that is
884 // also in startmacro(). Could improve this for Asar 2.0.
885
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 522 string macro_name = current_line.data()+6;
886 522 char * startpar=strqchr(macro_name.data(), '(');
887
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 522 if (startpar) *startpar=0;
888
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 522 macro_defs.append(macro_name);
889
890 // RPG Hacker: I think it would make more logical sense
891 // to have this ++ after the if, but hat breaks compatibility
892 // with at least one test, and it generally leads to more
893 // errors being output after a broken macro declaration.
894 522 in_macro_def++;
895
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 522 if (!pass)
896 {
897
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 174 if (in_macro_def == 1) startmacro(current_line.data()+6);
898
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 32 else tomacro(current_line);
899 }
900 522 }
901
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 51654 else if (!stricmp(current_line, "endmacro") && numif==numtrue)
902 {
903
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 510 if (in_macro_def == 0) asar_throw_error(0, error_type_line, error_id_misplaced_endmacro);
904 else
905 {
906 510 in_macro_def--;
907 510 macro_defs.remove(in_macro_def);
908
2/2
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 510 if (!pass)
909 {
910
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 170 if (in_macro_def == 0) endmacro(true);
911
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 30 else tomacro(current_line);
912 }
913 }
914 }
915
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 51144 else if (in_macro_def > 0)
916 {
917
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 2286 if (!pass) tomacro(current_line);
918 }
919 else
920 {
921
2/2
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 48858 assembleline(filename, lineno, current_line, single_line_for_tracker);
922 }
923 55843 }
924
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 3667 catch (errline&) {}
925
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 43317 return (numif != prevnumif || single_line_for_tracker == 3)
926
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 92094 && (whilestatus[numif].iswhile || whilestatus[numif].is_for);
927 }
928
929
930 4 void parse_std_includes(const char* textfile, autoarray<string>& outarray)
931 {
932 4 char* content = readfilenative(textfile);
933
934
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 4 if (content != nullptr)
935 {
936 1 char* pos = content;
937
938
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 5 while (pos[0] != '\0')
939 {
940 4 string stdinclude;
941
942 do
943 {
944
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 30 if (pos[0] != '\r' && pos[0] != '\n')
945 {
946
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 27 stdinclude += pos[0];
947 }
948 30 pos++;
949
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 30 } while (pos[0] != '\0' && pos[0] != '\n');
950
951
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 4 strip_whitespace(stdinclude);
952
953
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 4 if (stdinclude != "")
954 {
955
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 3 if (!path_is_absolute(stdinclude))
956 {
957
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 1 stdinclude = dir(textfile) + stdinclude;
958 }
959
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 3 outarray.append(normalize_path(stdinclude));
960 }
961 4 }
962
963 1 free(content);
964 }
965 4 }
966
967 282 void parse_std_defines(const char* textfile)
968 {
969
970 // RPG Hacker: add built-in defines.
971 // (They're not really standard defines, but I was lazy and this was
972 // one convenient place for doing it).
973 282 builtindefines.create("assembler") = "asar";
974
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 282 builtindefines.create("assembler_ver") = dec(get_version_int());
975
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 282 builtindefines.create("assembler_time") = dec(time(nullptr));
976
977
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 282 if(textfile == nullptr) return;
978
979 4 char* content = readfilenative(textfile);
980
981
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 4 if (content != nullptr)
982 {
983 1 char* pos = content;
984
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 6 while (*pos != 0) {
985 5 string define_name;
986 5 string define_val;
987
988
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 29 while (*pos != '=' && *pos != '\n') {
989
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 24 if(*pos == '\r') { pos++; continue; }
990
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 24 define_name += *pos;
991 24 pos++;
992 }
993
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 5 if (*pos != 0 && *pos != '\r' && *pos != '\n') pos++; // skip =
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 18 while (*pos != 0 && *pos != '\n') {
995
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 13 if(*pos == '\r') { pos++; continue; }
996
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 13 define_val += *pos;
997 13 pos++;
998 }
999
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 5 if (*pos != 0)
1000 5 pos++; // skip \n
1001 // clean define_name
1002
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 5 strip_whitespace(define_name);
1003
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 5 define_name.strip_prefix('!'); // remove leading ! if present
1004
1005
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 5 if (define_name == "")
1006 {
1007
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 1 if (define_val == "")
1008 {
1009 1 continue;
1010 }
1011
1012 ✗ asar_throw_error(pass, error_type_null, error_id_stddefines_no_identifier);
1013 }
1014
1015
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 4 if (!validatedefinename(define_name)) asar_throw_error(pass, error_type_null, error_id_cmdl_define_invalid, "stddefines.txt", define_name.data());
1016
1017 // clean define_val
1018 4 const char* defval = define_val.data();
1019 4 string cleaned_defval;
1020
1021
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 4 if (*defval == 0) {
1022 // no value
1023
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 2 if (clidefines.exists(define_name)) asar_throw_error(pass, error_type_null, error_id_cmdl_define_override, "Std define", define_name.data());
1024
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 2 clidefines.create(define_name) = "";
1025 2 continue;
1026 }
1027
1028
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 4 while (*defval == ' ' || *defval == '\t') defval++; // skip whitespace in beginning
1029
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 2 if (*defval == '"') {
1030 1 defval++; // skip opening quote
1031
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 6 while (*defval != '"' && *defval != 0)
1032
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 5 cleaned_defval += *defval++;
1033
1034
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 1 if (*defval == 0) {
1035 ✗ asar_throw_error(pass, error_type_null, error_id_mismatched_quotes);
1036 }
1037 1 defval++; // skip closing quote
1038
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 1 while (*defval == ' ' || *defval == '\t') defval++; // skip whitespace
1039
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 1 if (*defval != 0 && *defval != '\n')
1040 ✗ asar_throw_error(pass, error_type_null, error_id_stddefine_after_closing_quote);
1041
1042
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 1 if (clidefines.exists(define_name)) asar_throw_error(pass, error_type_null, error_id_cmdl_define_override, "Std define", define_name.data());
1043
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 1 clidefines.create(define_name) = cleaned_defval;
1044 1 continue;
1045 }
1046 else
1047 {
1048 // slightly hacky way to remove trailing whitespace
1049
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 1 const char* defval_end = strchr(defval, '\n'); // slightly hacky way to get end of string or newline
1050
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 1 if (!defval_end) defval_end = strchr(defval, 0);
1051 1 defval_end--;
1052
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 4 while (*defval_end == ' ' || *defval_end == '\t') defval_end--;
1053
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 1 cleaned_defval = string(defval, (int)(defval_end - defval + 1));
1054
1055
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 1 if (clidefines.exists(define_name)) asar_throw_error(pass, error_type_null, error_id_cmdl_define_override, "Std define", define_name.data());
1056
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 1 clidefines.create(define_name) = cleaned_defval;
1057 1 continue;
1058 1 }
1059
1060 5 }
1061 1 free(content);
1062 }
1063 }
1064
1065 bool checksum_fix_enabled = true;
1066 bool force_checksum_fix = false;
1067
1068 #define cfree(x) free((void*)x)
1069 140 static void clearmacro(const string & key, macrodata* & macro)
1070 {
1071 (void)key;
1072 140 freemacro(macro);
1073 140 }
1074
1075 323 static void clearfile(const string & key, sourcefile& filecontent)
1076 {
1077 (void)key;
1078 323 cfree(filecontent.data);
1079 323 cfree(filecontent.contents);
1080 323 }
1081 #undef cfree
1082
1083 849 static void adddefine(const string & key, string & value)
1084 {
1085
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 849 if (!defines.exists(key)) defines.create(key) = value;
1086 849 }
1087
1088 2 string create_symbols_file(string format, uint32_t romCrc){
1089 2 string symbolfile;
1090
1091 2 std::vector<std::pair<unsigned int, const char*>> all_labels;
1092
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 6 labels.each([&all_labels](const string& key, snes_label& label) {
1093
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 4 all_labels.push_back(std::make_pair(label.pos, key.data()));
1094 4 });
1095
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 2 std::sort(all_labels.begin(), all_labels.end(),
1096 2 [](auto& l, auto& r) {
1097
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 2 if (l.first == r.first)
1098 ✗ return strcmp(l.second, r.second) < 0;
1099 2 return l.first < r.first;
1100 });
1101
1102
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 2 format = lower(format);
1103
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 2 if(format == "wla")
1104 {
1105
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 2 symbolfile = "; wla symbolic information file\n";
1106
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 2 symbolfile += "; generated by asar\n";
1107
1108
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 2 symbolfile += "\n[labels]\n";
1109
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 6 for (auto& p : all_labels) {
1110 4 char buffer[10];
1111
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 4 std::snprintf(buffer, sizeof(buffer), "%02X:%04X ", (p.first >> 16) & 0xFF, p.first & 0xFFFF);
1112
1113
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 4 symbolfile += buffer;
1114
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 4 symbolfile += p.second;
1115
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 4 symbolfile += "\n";
1116 }
1117
1118
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 2 symbolfile += "\n[source files]\n";
1119 2 const autoarray<AddressToLineMapping::FileInfo>& addrToLineFileList = addressToLineMapping.getFileList();
1120
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 4 for (int i = 0; i < addrToLineFileList.count; ++i)
1121 {
1122 2 char addrToFileListStr[256];
1123 2 snprintf(addrToFileListStr, 256, "%.4x %.8x %s\n",
1124 i,
1125
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 2 addrToLineFileList[i].fileCrc,
1126
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 2 addrToLineFileList[i].filename.data()
1127 );
1128
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 2 symbolfile += addrToFileListStr;
1129 }
1130
1131
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 2 symbolfile += "\n[rom checksum]\n";
1132 {
1133 2 char romCrcStr[32];
1134
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 2 snprintf(romCrcStr, 32, "%.8x\n",
1135 romCrc
1136 );
1137
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 2 symbolfile += romCrcStr;
1138 }
1139
1140
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 2 symbolfile += "\n[addr-to-line mapping]\n";
1141 2 const autoarray<AddressToLineMapping::AddrToLineInfo>& addrToLineInfo = addressToLineMapping.getAddrToLineInfo();
1142
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 8 for (int i = 0; i < addrToLineInfo.count; ++i)
1143 {
1144 6 char addrToLineStr[32];
1145 ✗ snprintf(addrToLineStr, 32, "%.2x:%.4x %.4x:%.8x\n",
1146
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 6 (addrToLineInfo[i].addr & 0xFF0000) >> 16,
1147
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 6 addrToLineInfo[i].addr & 0xFFFF,
1148
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1149
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 6 addrToLineInfo[i].line & 0xFFFFFFFF
1150 );
1151
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 6 symbolfile += addrToLineStr;
1152 }
1153
1154 }
1155 ✗ else if (format == "nocash")
1156 {
1157 ✗ symbolfile = ";no$sns symbolic information file\n";
1158 ✗ symbolfile += ";generated by asar\n";
1159 ✗ symbolfile += "\n";
1160 ✗ for (auto& p : all_labels) {
1161 ✗ char buffer[10];
1162 ✗ std::snprintf(buffer, sizeof(buffer), "%08X ", p.first & 0xFFFFFF);
1163
1164 ✗ symbolfile += buffer;
1165 ✗ symbolfile += p.second;
1166 ✗ symbolfile += "\n";
1167 }
1168 }
1169 4 return symbolfile;
1170 2 }
1171
1172
1173 2 bool in_top_level_file()
1174 {
1175 2 int num_files = 0;
1176
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 10 for (int i = callstack.count-1; i >= 0; --i)
1177 {
1178
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 8 if (callstack[i].type == callstack_entry_type::FILE)
1179 {
1180 2 num_files++;
1181
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 2 if (num_files > 1) break;
1182 }
1183 }
1184 2 return (num_files <= 1);
1185 }
1186
1187 10577 const char* get_current_file_name()
1188 {
1189
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 39391 for (int i = callstack.count-1; i >= 0; --i)
1190 {
1191
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 38564 if (callstack[i].type == callstack_entry_type::FILE)
1192 9750 return callstack[i].content.raw();
1193 }
1194 827 return nullptr;
1195 }
1196
1197 9041 int get_current_line()
1198 {
1199
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 26713 for (int i = callstack.count-1; i >= 0; --i)
1200 {
1201
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 26702 if (callstack[i].type == callstack_entry_type::LINE) return callstack[i].lineno;
1202 }
1203 11 return -1;
1204 }
1205
1206 266 const char* get_current_block()
1207 {
1208
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 278 for (int i = callstack.count-1; i >= 0; --i)
1209 {
1210
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 267 if (callstack[i].type == callstack_entry_type::LINE || callstack[i].type == callstack_entry_type::BLOCK) return callstack[i].content.raw();
1211 }
1212 11 return nullptr;
1213 }
1214
1215
1216 286 void reseteverything()
1217 {
1218 286 string str;
1219 286 labels.reset();
1220 286 defines.reset();
1221
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 286 builtindefines.each(adddefine);
1222
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 286 clidefines.each(adddefine);
1223 286 structs.reset();
1224
1225
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 286 macros.each(clearmacro);
1226 286 macros.reset();
1227
1228
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 286 filecontents.each(clearfile);
1229 286 filecontents.reset();
1230
1231 286 writtenblocks.reset();
1232
1233 286 optimizeforbank=-1;
1234 286 optimize_dp = optimize_dp_flag::ALWAYS;
1235 286 dp_base = 0;
1236 286 optimize_address = optimize_address_flag::MIRRORS;
1237
1238
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 286 closecachedfiles();
1239
1240 286 incsrcdepth=0;
1241 286 label_counter = 0;
1242 286 errored = false;
1243 286 checksum_fix_enabled = true;
1244 286 force_checksum_fix = false;
1245
1246 286 in_macro_def = 0;
1247
1248 #ifndef ASAR_SHARED
1249 3 free(const_cast<unsigned char*>(romdata_r));
1250 #endif
1251
1252 286 callstack.reset();
1253 286 simple_callstacks = true;
1254 #undef free
1255 446 }
1256