asar coverage - build #303

src/asar/
File: src/asar/main.cpp
Date: 2025-03-19 17:38:36
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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 std::vector<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
47 288 int get_version_int()
48 {
49 288 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 10361 static string shorten_to_relative_path(const char* base_path, const char* target_path)
104 {
105
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 10361 if (stribegin(target_path, base_path)) target_path += strlen(base_path);
106 10361 return target_path;
107 }
108
109 10361 static string get_top_level_directory()
110 {
111 10361 string top_level_file_dir;
112
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 10361 for (size_t i = 0; i < callstack.size(); ++i)
113 {
114
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 10361 if (callstack[i].type == callstack_entry_type::FILE)
115 {
116
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 10361 top_level_file_dir = dir(callstack[i].content);
117 10361 break;
118 }
119 }
120 10361 return top_level_file_dir;
121 ✗ }
122
123 10319 static string generate_call_details_string(const char* current_block, const char* current_call, int indentation, bool add_lines)
124 {
125 10319 string e;
126
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 10319 if (current_block != nullptr || current_call != nullptr)
127 {
128 10313 string indent;
129
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 10313 if (add_lines) indent += "|";
130
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 11397 for (; indentation > 0; --indentation) indent += " ";
131
132
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 10313 if (current_block != nullptr) e += STR "\n"+indent+"in block: ["+current_block+"]";
133
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 10313 if (current_call != nullptr) e += STR "\n"+indent+"in macro call: [%"+current_call+"]";
134 10313 }
135 10319 return e;
136 ✗ }
137
138 10361 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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 20722 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 10054 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 10054 printable_callstack_entry new_entry;
171
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 10054 new_entry.fullpath = current_file;
172
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 10054 new_entry.prettypath = get_pretty_filename(current_file);
173 10054 new_entry.lineno = current_line_no;
174
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 10054 new_entry.details = generate_call_details_string(current_block, current_call, indentation, add_lines);
175
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 10054 out->append(new_entry);
176 15085 }
177
178 270 void get_current_line_details(string* location, string* details, bool exclude_block)
179 {
180 270 const char* current_file = nullptr;
181 270 const char* current_block = nullptr;
182 270 const char* current_call = nullptr;
183 270 int current_line_no = -1;
184
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 736 for (int i = (int)callstack.size()-1; i >= 0 ; --i)
185 {
186
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 731 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);
192 265 *location += ": ";
193
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 265 *details = generate_call_details_string(current_block, current_call, 4, false);
194 265 return;
195 ✗ case callstack_entry_type::MACRO_CALL:
196 ✗ if (current_call == nullptr) current_call = callstack[i].content;
197 ✗ break;
198 259 case callstack_entry_type::LINE:
199
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 259 if (current_block == nullptr && current_call == nullptr) current_block = callstack[i].content;
200
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 259 if (current_line_no == -1) current_line_no = callstack[i].lineno;
201 259 break;
202 207 case callstack_entry_type::BLOCK:
203
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 207 if (current_block == nullptr) current_block = callstack[i].content;
204 207 break;
205 }
206 }
207 5 *location = "";
208 5 *details = "";
209 }
210
211 272 void get_full_printable_callstack(autoarray<printable_callstack_entry>* out, int indentation, bool add_lines)
212 {
213 272 out->reset();
214 272 const char* current_file = nullptr;
215 272 const char* current_block = nullptr;
216 272 const char* current_call = nullptr;
217 272 int current_line_no = -1;
218
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 31221 for (size_t i = 0; i < callstack.size(); ++i)
219 {
220
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 30949 switch (callstack[i].type)
221 {
222 10321 case callstack_entry_type::FILE:
223
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 10321 if (current_file != nullptr)
224 {
225 10054 push_stack_line(out, current_file, current_block, current_call, current_line_no, indentation, add_lines);
226 }
227 10321 current_file = callstack[i].content;
228 10321 current_block = nullptr;
229 10321 current_call = nullptr;
230 10321 current_line_no = -1;
231 10321 break;
232 50 case callstack_entry_type::MACRO_CALL:
233 50 current_block = nullptr;
234 50 current_call = callstack[i].content;
235 50 break;
236 10315 case callstack_entry_type::LINE:
237 10315 current_line_no = callstack[i].lineno;
238 10315 current_block = callstack[i].content;
239 10315 break;
240 10263 case callstack_entry_type::BLOCK:
241 10263 current_block = callstack[i].content;
242 10263 break;
243 }
244 }
245 272 }
246
247 2 static string get_full_callstack()
248 {
249 2 autoarray<printable_callstack_entry> printable_stack;
250
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 2 get_full_printable_callstack(&printable_stack, 12, true);
251
252 2 string e;
253
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 2 if (printable_stack.count > 0)
254 {
255
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 2 e += "\nFull call stack:";
256
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 6 for (int i = printable_stack.count-1; i >= 0; --i)
257 {
258
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 4 e += format_stack_line(printable_stack[i], i);
259 }
260 }
261 4 return e;
262 2 }
263
264 // RPG Hacker: This function essetially replicates classic Asar behavior
265 // of only printing a single macro call below the current level.
266 268 static string get_simple_callstack()
267 {
268 int i;
269 268 const char* current_call = nullptr;
270
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 31005 for (i = (int)callstack.size()-1; i >= 0 ; --i)
271 {
272
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 30779 if (callstack[i].type == callstack_entry_type::MACRO_CALL)
273 {
274 42 current_call = callstack[i].content;
275 42 break;
276 }
277 }
278
279 268 const char* current_file = nullptr;
280 268 int current_line_no = -1;
281
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 268 if (current_call != nullptr)
282 {
283 42 bool stop = false;
284
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 126 for (int j = i-1; j >= 0 ; --j)
285 {
286
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 126 switch (callstack[j].type)
287 {
288 42 case callstack_entry_type::FILE:
289
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 42 if (current_file != nullptr)
290 {
291 ✗ stop = true;
292 ✗ break;
293 }
294 42 current_file = callstack[j].content;
295 42 break;
296 ✗ case callstack_entry_type::MACRO_CALL:
297 ✗ stop = true;
298 ✗ break;
299 42 case callstack_entry_type::LINE:
300
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 42 if (current_line_no == -1) current_line_no = callstack[j].lineno;
301 42 break;
302 42 case callstack_entry_type::BLOCK:
303 42 break;
304 }
305
306
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 126 if (current_file != nullptr && current_line_no != -1) stop = true;
307
308
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 126 if (stop) break;
309 }
310 }
311
312 268 string e;
313
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 268 if (current_call != nullptr && current_file != nullptr)
314 {
315
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 84 e += STR "\n called from: " + generate_filename_and_line(get_pretty_filename(current_file), current_line_no)
316
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 105 + ": [%" + current_call + "]";
317 }
318 268 return e;
319 }
320
321 270 string get_callstack()
322 {
323
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 270 if (simple_callstacks)
324 268 return get_simple_callstack();
325 else
326 2 return get_full_callstack();
327 }
328
329 18 void throw_vfile_error(int whichpass, virtual_file_error vfile_error, const char* filename)
330 {
331
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 18 switch (vfile_error)
332 {
333 6 case vfe_doesnt_exist:
334 6 throw_err_block(whichpass, err_file_not_found, filename);
335 ✗ case vfe_access_denied:
336 ✗ throw_err_block(whichpass, err_failed_to_open_file_access_denied, filename);
337 12 case vfe_not_regular_file:
338 12 throw_err_block(whichpass, err_failed_to_open_not_regular_file, filename);
339 ✗ case vfe_unknown:
340 case vfe_none:
341 case vfe_num_errors:
342 ✗ throw_err_block(whichpass, err_failed_to_open_file, filename);
343 }
344
345 ✗ throw_err_block(whichpass, err_failed_to_open_file, filename);
346 }
347
348 18 virtual_file_error asar_get_last_io_error()
349 {
350
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 18 if (filesystem != nullptr)
351 {
352 18 return filesystem->get_last_error();
353 }
354
355 ✗ return vfe_unknown;
356 }
357
358 657 int getlenforlabel(int labelpos, int label_fs_id, bool exists)
359 {
360 657 unsigned int bank = labelpos>>16;
361 657 unsigned int word = labelpos&0xFFFF;
362 657 bool lblfreespace = label_fs_id > 0;
363 unsigned int relaxed_bank;
364
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 657 if(optimizeforbank >= 0) {
365 24 relaxed_bank = optimizeforbank;
366 } else {
367
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 633 if(freespaceid == 0) {
368 505 relaxed_bank = snespos >> 16;
369 } else {
370 128 int target_bank = freespaces[freespaceid].bank;
371
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 128 if(target_bank == -2) relaxed_bank = 0;
372
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 44 else if(target_bank == -1) relaxed_bank = 0x40;
373 ✗ else relaxed_bank = target_bank;
374 }
375 }
376
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 657 if (!exists)
377 {
378 ✗ return 2;
379 }
380
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 657 else if((optimize_dp == optimize_dp_flag::RAM) && bank == 0x7E && (word-dp_base < 0x100) && !lblfreespace)
381 {
382 6 return 1;
383 }
384
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 651 else if(optimize_dp == optimize_dp_flag::ALWAYS && (bank == 0x7E || !(bank & 0x40)) && (word-dp_base < 0x100) && !lblfreespace)
385 {
386 23 return 1;
387 }
388 628 else if (
389 // if we should optimize ram accesses...
390
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 628 (optimize_address == optimize_address_flag::RAM || optimize_address == optimize_address_flag::MIRRORS)
391 // and we're in a bank with ram mirrors... (optimizeforbank=0x7E is checked later)
392
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 520 && !(relaxed_bank & 0x40)
393 // and the label is in low RAM
394
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 488 && bank == 0x7E && word < 0x2000 && !lblfreespace)
395 {
396 18 return 2;
397 }
398 610 else if (
399 // if we should optimize mirrors...
400
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 610 optimize_address == optimize_address_flag::MIRRORS
401 // we're in a bank with ram mirrors...
402
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 478 && !(relaxed_bank & 0x40)
403 // and the label is in a mirrored section
404
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 452 && !(bank & 0x40) && word < 0x8000 && !lblfreespace)
405 {
406 24 return 2;
407 }
408
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 586 else if (optimizeforbank>=0)
409 {
410 // if optimizing for a specific bank:
411 // if the label is in freespace, never optimize
412
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 24 if (lblfreespace) return 3;
413
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 24 else if (bank==(unsigned int)optimizeforbank) return 2;
414 12 else return 3;
415 }
416
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 562 else if (lblfreespace || freespaceid > 0)
417 {
418 // optimize only if the label is in the same freespace
419 // TODO: check whether they're pinned to the same bank
420
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 208 if (label_fs_id != freespaceid) return 3;
421 32 else return 2;
422 }
423
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 354 else if ((int)bank != snespos >> 16){ return 3; }
424 324 else { return 2;}
425 }
426 645 int getlenforlabel(snes_label thislabel, bool exists) {
427 645 return getlenforlabel(thislabel.pos, thislabel.freespace_id, exists);
428 }
429
430
431 315 bool is_hex_constant(const char* str){
432
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 315 if (*str=='$')
433 {
434 216 str++;
435
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 816 while(is_xdigit(*str)) {
436 600 str++;
437 }
438
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 216 if(*str=='\0'){
439 216 return true;
440 }
441 }
442 99 return false;
443 }
444
445 struct strcompare {
446 bool operator() (const char * lhs, const char * rhs) const
447 {
448 return strcmp(lhs, rhs)<0;
449 }
450 };
451
452 struct stricompare {
453 bool operator() (const char * lhs, const char * rhs) const
454 {
455 return stricmp(lhs, rhs)<0;
456 }
457 };
458
459 struct sourcefile {
460 char *data;
461 char** contents;
462 int numlines;
463 };
464
465 static assocarr<sourcefile> filecontents;
466 assocarr<string> defines;
467 // needs to be separate because defines is reset between parsing arguments and patching
468 assocarr<string> clidefines;
469 assocarr<string> builtindefines;
470
471 202 bool validatedefinename(const char * name)
472 {
473
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 202 if (!name[0]) return false;
474
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 1120 for (int i = 0;name[i];i++)
475 {
476
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 918 if (!is_ualnum(name[i])) return false;
477 }
478
479 202 return true;
480 }
481
482 67197 void resolvedefines(string& out, const char * start)
483 {
484
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 67197 recurseblock rec;
485 67195 const char * here=start;
486
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 67195 if (!strchr(here, '!'))
487 {
488
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 56710 out += here;
489 56710 return;
490 }
491
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 82754 while (*here)
492 {
493
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 72300 if (here[0] == '\\' && here[1] == '\\')
494 {
495 // allow using \\ as escape sequence
496
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 6 if (in_macro_def > 0) out += "\\";
497
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 6 out += "\\";
498 6 here += 2;
499 }
500
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 72294 else if (here[0] == '\\' && here[1] == '!')
501 {
502 // allow using \! to escape !
503
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 42 if (in_macro_def > 0) out += "\\";
504
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 42 out+="!";
505 42 here += 2;
506 }
507
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 72252 else if (*here=='!')
508 {
509
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 11259 bool first=(here==start || (here>=start+4 && here[-1]==' ' && here[-2]==':' && here[-3]==' '));//check if it's the start of a block
510 11259 string defname;
511 11259 here++;
512
513 11259 int depth = 0;
514
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 11373 for (const char* depth_str = here; *depth_str=='^'; depth_str++)
515 {
516 114 depth++;
517 }
518 11259 here += depth;
519
520
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 11259 if (depth != in_macro_def)
521 {
522
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 1323 out += '!';
523
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 1389 for (int i=0; i < depth; ++i) out += '^';
524
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 1323 if (depth > in_macro_def) throw_err_line(0, err_invalid_depth_resolve, "define", "define", depth, in_macro_def);
525 1305 continue;
526 1305 }
527
528
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 9936 if (*here=='{')
529 {
530 108 here++;
531 108 string unprocessedname;
532 108 int braces=1;
533 while (true)
534 {
535
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 1152 if (*here=='{') braces++;
536
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 1152 if (*here=='}') braces--;
537
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 1152 if (!*here) throw_err_line(0, err_mismatched_braces);
538
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 1152 if (!braces) break;
539
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 1044 unprocessedname+=*here++;
540 }
541 108 here++;
542
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 108 resolvedefines(defname, unprocessedname);
543
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 108 if (!validatedefinename(defname)) throw_err_line(0, err_invalid_define_name);
544 108 }
545 else
546 {
547
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 59620 while (is_ualnum(*here)) defname+=*here++;
548 }
549
550
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 9936 if (first)
551 {
552 enum {
553 null,
554 append,
555 expand,
556 domath,
557 setifnotset,
558 } mode;
559 if(0);
560
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 5271 else if (stribegin(here, " = ")) { here+=3; mode=null; }
561
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 4749 else if (stribegin(here, " += ")) { here+=4; mode=append; }
562
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 4647 else if (stribegin(here, " := ")) { here+=4; mode=expand; }
563
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 4590 else if (stribegin(here, " #= ")) { here+=4; mode=domath; }
564
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 2664 else if (stribegin(here, " ?= ")) { here+=4; mode=setifnotset; }
565 2664 else goto notdefineset;
566 2607 string val;
567
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 2607 if (*here=='"')
568 {
569 189 here++;
570 while (true)
571 {
572
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 1023 if (*here=='"')
573 {
574
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 195 if (!here[1] || here[1]==' ') break;
575
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 6 else if (here[1]=='"') here++;
576 ✗ else throw_err_line(0, err_broken_define_declaration);
577 }
578
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 834 val+=*here++;
579 }
580 189 here++;
581 }
582 else
583 {
584
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 19053 while (*here && *here!=' ') val+=*here++;
585 }
586 //if (strqchr(val.data(), ';')) *strqchr(val.data(), ';')=0;
587
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 2607 if (*here && !stribegin(here, " : ")) throw_err_line(0, err_broken_define_declaration);
588 // RPG Hacker: Is it really a good idea to normalize
589 // the content of defines? That kinda violates their
590 // functionality as a string replacement mechanism.
591 //val.qnormalize();
592
593 // RPG Hacker: throw an error if we're trying to overwrite built-in defines.
594
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 2607 if (builtindefines.exists(defname))
595 {
596
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 6 throw_err_line(0, err_overriding_builtin_define, defname.data());
597 }
598
599
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 2601 switch (mode)
600 {
601 516 case null:
602 {
603
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 516 defines.create(defname) = val;
604 516 break;
605 }
606 102 case append:
607 {
608
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 102 if (!defines.exists(defname)) throw_err_line(0, err_define_not_found, defname.data());
609
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 102 string oldval = defines.find(defname);
610
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 102 val=oldval+val;
611
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 102 defines.create(defname) = val;
612 102 break;
613 102 }
614 57 case expand:
615 {
616 57 string newval;
617
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 57 resolvedefines(newval, val);
618
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 57 defines.create(defname) = newval;
619 57 break;
620 57 }
621 1926 case domath:
622 {
623 1926 string newval;
624
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 1926 resolvedefines(newval, val);
625
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 1932 math_val num = parse_math_expr(newval)->evaluate_static();
626 1920 string num_str;
627
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 1920 if(num.m_type == math_val_type::string) num_str = num.get_str();
628
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 1920 else if(num.m_type == math_val_type::floating) num_str = ftostr(num.get_double());
629
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 1908 else num_str = dec(num.get_integer());
630
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 1920 defines.create(defname) = std::move(num_str);
631 1920 break;
632 1926 }
633 ✗ case setifnotset:
634 {
635 ✗ if (!defines.exists(defname)) defines.create(defname) = val;
636 ✗ break;
637 }
638 }
639 2607 }
640 else
641 {
642 6000 notdefineset:
643
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 7329 if (!defname) out+="!";
644 else
645 {
646
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 7248 if (!defines.exists(defname)) throw_err_line(0, err_define_not_found, defname.data());
647 else {
648
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 7247 string thisone = defines.find(defname);
649
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 7247 resolvedefines(out, thisone);
650 7247 }
651 }
652 }
653
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 11259 }
654
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 60993 else out+=*here++;
655 }
656
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 67195 }
657
658 bool moreonline;
659 bool asarverallowed = false;
660
661 56881 void assembleline(const char * fname, int linenum, const string& line, int& single_line_for_tracker)
662 {
663
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 56881 recurseblock rec;
664
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 56881 bool moreonlinetmp=moreonline;
665 56881 single_line_for_tracker = 1;
666 try
667 {
668
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 56881 string out=line;
669
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 56881 autoptr<char**> blocks=qsplitstr(out.temp_raw(), " : ");
670 56881 moreonline=true;
671
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 105625 for (int block_i=0;moreonline;block_i++)
672 {
673 58750 moreonline=(blocks[block_i+1] != nullptr);
674 try
675 {
676 // it's possible that our input looks something like:
677 // nop : : nop
678 // nop : : : : : nop
679 // also, it's possible that there were empty blocks at the start or end of the line:
680 // : nop :
681 // after qsplit, we still need to deal with possibly a single ": " from a preceding empty block,
682 // and if it's the last block, possibly a following " :".
683 58750 char* thisblock = strip_whitespace(blocks[block_i]);
684 // if the block starts with ": "
685
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 58750 if(thisblock[0] == ':' && thisblock[1] == ' ') {
686 24 thisblock++;
687
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 48 while(*thisblock == ' ') thisblock++;
688 }
689 // if the block is a single :, skip that too.
690
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 58750 if(thisblock[0] == ':' && thisblock[1] == 0) thisblock++;
691
692
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 58750 int len_blk = strlen(thisblock);
693 // last block - strip trailing " :" if present.
694
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 58750 if(!moreonline && len_blk >= 2 && thisblock[len_blk-2] == ' ' && thisblock[len_blk-1] == ':') {
695 12 thisblock[len_blk - 2] = 0;
696 }
697
698
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 58750 callstack_push cs_push(callstack_entry_type::BLOCK, thisblock);
699
700
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 58750 assembleblock(thisblock, single_line_for_tracker);
701
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 48388 checkbankcross();
702 58750 }
703
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 10366 catch (errblock&) {}
704
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 48744 if (blocks[block_i][0]!='\0') asarverallowed=false;
705
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 48744 if(single_line_for_tracker == 1) single_line_for_tracker = 0;
706 }
707 66887 }
708
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 10006 catch (errline&) {}
709 46875 moreonline=moreonlinetmp;
710 80467 }
711
712 int incsrcdepth=0;
713
714 // Returns true if a file is protected via
715 // an "includeonce".
716 11033 bool file_included_once(const char* file)
717 {
718
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 11231 for (int i = 0; i < includeonce.count; ++i)
719 {
720
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 240 if (includeonce[i] == file)
721 {
722 42 return true;
723 }
724 }
725
726 10991 return false;
727 }
728
729 autoarray<string> macro_defs;
730 int in_macro_def=0;
731
732 11003 void assemblefile(const char * filename)
733 {
734 11003 incsrcdepth++;
735
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 11003 string absolutepath = filesystem->create_absolute_path(get_current_file_name(), filename);
736
737
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 11003 if (file_included_once(absolutepath))
738 {
739 42 return;
740 }
741
742 // don't do this yet; we want "file not found" errors to show the location
743 // that called assemblefile
744 //callstack_push cs_push(callstack_entry_type::FILE, absolutepath);
745
746 5539 sourcefile file;
747 10961 file.contents = nullptr;
748 10961 file.numlines = 0;
749 10961 int startif=numif;
750
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 10961 if (!filecontents.exists(absolutepath))
751 {
752
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 335 char * temp = readfile(absolutepath, "");
753
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 333 if (!temp)
754 {
755
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 6 throw_vfile_error(0, asar_get_last_io_error(), filename);
756 ✗ return;
757 }
758
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 327 callstack_push cs_push(callstack_entry_type::FILE, absolutepath);
759
760
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 327 sourcefile& newfile = filecontents.create(absolutepath);
761
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 327 newfile.contents =split(temp, '\n');
762 327 newfile.data = temp;
763
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 12656 for (int i=0;newfile.contents[i];i++)
764 {
765 12329 newfile.numlines++;
766 12329 char * line = newfile.contents[i];
767 12329 int i_temp = i;
768 char * comment;
769
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 15951 while((comment = strqchr(line, ';'))) {
770
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 3624 if(comment[1] == '[' && comment[2] == '[') {
771 // block comment - find where it ends
772 12 char* theline = comment + 3;
773
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 12 char* comment_end = strstr(theline, "]]");
774
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 30 while(comment_end == nullptr) {
775 20 i_temp++;
776 20 char* new_line = newfile.contents[i_temp];
777
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 20 if(new_line == nullptr) {
778
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 2 callstack_push cs_push(callstack_entry_type::LINE, line, i);
779
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 2 throw_err_null(0, err_unclosed_block_comment);
780 // make sure this line is still parsed correctly
781 2 *comment = 0;
782 // but don't go looking at any other lines
783 2 goto break_outer;
784 2 }
785
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 18 comment_end = strstr(new_line, "]]");
786 // this line is itself part of the comment, so ignore it
787 //new_line[0] = 0;
788 // except not like that^, because that will break the
789 // memmove below
790 static char junk[]="";
791 // using a static here should be fine, since if the line
792 // doesn't contain ',' or '\' we won't go mutating it
793 18 newfile.contents[i_temp] = junk;
794 }
795 // comment_end+2 is a valid pointer, since comment_end is
796 // guaranteed to start with ]]
797 10 comment_end += 2;
798 // stitch together the part of the line before the comment,
799 // and the part of the line after it
800
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 10 memmove(comment, comment_end, strlen(comment_end) + 1);
801 // and then recheck for ; in the line again...
802 10 } else {
803 3612 *comment = 0;
804 }
805 }
806 12328 break_outer:
807
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 12329 if (!confirmquotes(line)) {
808
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 4 callstack_push cs_push(callstack_entry_type::LINE, line, i);
809
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 4 throw_err_null(0, err_mismatched_quotes);
810 4 line[0] = '\0';
811 4 }
812 12329 newfile.contents[i] = strip_whitespace(line);
813 }
814
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 12656 for(int i=0;newfile.contents[i];i++)
815 {
816 12329 char* line = newfile.contents[i];
817
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 12329 if(!*line) continue;
818
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 7363 for (int j=1;line[strlen(line) - 1] == ',' && newfile.contents[i+j];j++)
819 {
820 // not using strcat because the source and dest overlap here
821 10 char* otherline = newfile.contents[i+j];
822
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 10 char* line_end = line + strlen(line);
823
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 138 while(*otherline) *line_end++ = *otherline++;
824 10 *line_end = '\0';
825 static char nullstr[]="";
826 10 newfile.contents[i+j]=nullstr;
827 }
828 }
829 327 file = newfile;
830 327 } else { // filecontents.exists(absolutepath)
831
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 10626 file = filecontents.find(absolutepath);
832 }
833 // previous callstack_push got dropped by the end of the if scope
834
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 20961 callstack_push cs_push(callstack_entry_type::FILE, absolutepath);
835 10953 asarverallowed=true;
836
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 54294 for (int i=0;file.contents[i] && i<file.numlines;i++)
837 {
838 53349 string connectedline;
839
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 53349 int skiplines = getconnectedlines<char**>(file.contents, i, connectedline);
840
841
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 53349 bool was_loop_end = do_line_logic(connectedline, absolutepath, i);
842 43341 i += skiplines;
843
844 // if a loop ended on this line, should it run again?
845
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 43341 if (was_loop_end && whilestatus[numif].cond)
846
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 1332 i = whilestatus[numif].startline - 1;
847 53349 }
848
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 957 while (in_macro_def > 0)
849 {
850
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 12 throw_err_null(0, err_unclosed_macro, macro_defs[in_macro_def-1].data());
851
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 12 if (!pass && in_macro_def == 1) endmacro(false);
852 12 in_macro_def--;
853 12 macro_defs.remove(in_macro_def);
854 }
855
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 945 if (numif!=startif)
856 {
857 ✗ numif=startif;
858 ✗ numtrue=startif;
859 ✗ throw_err_null(0, err_unclosed_if);
860 }
861 945 incsrcdepth--;
862
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 11003 }
863
864 // RPG Hacker: At some point, this should probably be merged
865 // into assembleline(), since the two names just cause
866 // confusion otherwise.
867 // return value is "did a loop end on this line"
868 60435 bool do_line_logic(const string& line, const char* filename, int lineno)
869 {
870 60435 int prevnumif = numif;
871 60435 int single_line_for_tracker = 1;
872 try
873 {
874 60435 string current_line;
875
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 60435 if (numif==numtrue || (numtrue+1==numif && stribegin(line, "elseif ")))
876 {
877
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 57327 callstack_push cs_push(callstack_entry_type::LINE, line, lineno);
878
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 57327 string tmp=replace_macro_args(line);
879
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 57237 tmp.qnormalize();
880
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 57237 resolvedefines(current_line, tmp);
881
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 57205 if (!confirmquotes(current_line)) throw_err_line(0, err_mismatched_quotes);
882 57365 }
883
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 3108 else current_line=line;
884
885
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 60307 callstack_push cs_push(callstack_entry_type::LINE, current_line, lineno);
886
887
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 60307 if (stribegin(current_line, "macro ") && numif==numtrue)
888 {
889 // RPG Hacker: Slight redundancy here with code that is
890 // also in startmacro(). Could improve this for Asar 2.0.
891
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 522 string macro_name = current_line.data()+6;
892 522 char * startpar=strqchr(macro_name.raw(), '(');
893
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 522 if (startpar) *startpar=0;
894
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 522 macro_defs.append(macro_name);
895
896 // RPG Hacker: I think it would make more logical sense
897 // to have this ++ after the if, but hat breaks compatibility
898 // with at least one test, and it generally leads to more
899 // errors being output after a broken macro declaration.
900 522 in_macro_def++;
901
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 522 if (!pass)
902 {
903
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 174 if (in_macro_def == 1) startmacro(current_line.data()+6);
904
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 32 else tomacro(current_line);
905 }
906 522 }
907
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 59785 else if (!stricmp(current_line, "endmacro") && numif==numtrue)
908 {
909
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 510 if (in_macro_def == 0) throw_err_line(0, err_misplaced_endmacro);
910 else
911 {
912 510 in_macro_def--;
913 510 macro_defs.remove(in_macro_def);
914
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 510 if (!pass)
915 {
916
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 170 if (in_macro_def == 0) endmacro(true);
917
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 30 else tomacro(current_line);
918 }
919 }
920 }
921
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 59275 else if (in_macro_def > 0)
922 {
923
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 2394 if (!pass) tomacro(current_line);
924 }
925 else
926 {
927
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 56881 assembleline(filename, lineno, current_line, single_line_for_tracker);
928 }
929 70443 }
930
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 10136 catch (errline&) {}
931
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 47697 return (numif < prevnumif || single_line_for_tracker == 3)
932
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 98124 && (whilestatus[numif].iswhile || whilestatus[numif].is_for);
933 }
934
935
936 4 void parse_std_includes(const char* textfile, autoarray<string>& outarray)
937 {
938 4 char* content = readfilenative(textfile);
939
940
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 4 if (content != nullptr)
941 {
942 1 char* pos = content;
943
944
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 5 while (pos[0] != '\0')
945 {
946 4 string stdinclude;
947
948 do
949 {
950
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 30 if (pos[0] != '\r' && pos[0] != '\n')
951 {
952
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 27 stdinclude += pos[0];
953 }
954 30 pos++;
955
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 30 } while (pos[0] != '\0' && pos[0] != '\n');
956
957
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 4 strip_whitespace(stdinclude);
958
959
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 4 if (stdinclude != "")
960 {
961
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 3 if (!path_is_absolute(stdinclude))
962 {
963
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 1 stdinclude = dir(textfile) + stdinclude;
964 }
965
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 3 outarray.append(normalize_path(stdinclude));
966 }
967 4 }
968
969 1 free(content);
970 }
971 4 }
972
973 286 void parse_std_defines(const char* textfile)
974 {
975
976 // RPG Hacker: add built-in defines.
977 // (They're not really standard defines, but I was lazy and this was
978 // one convenient place for doing it).
979 286 builtindefines.create("assembler") = "asar";
980
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 286 builtindefines.create("assembler_ver") = dec(get_version_int());
981
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 286 builtindefines.create("assembler_time") = dec(time(nullptr));
982
983
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 286 if(textfile == nullptr) return;
984
985 4 char* content = readfilenative(textfile);
986
987
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 4 if (content != nullptr)
988 {
989 1 char* pos = content;
990
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 6 while (*pos != 0) {
991 5 string define_name;
992 5 string define_val;
993
994
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 29 while (*pos != '=' && *pos != '\n') {
995
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 24 if(*pos == '\r') { pos++; continue; }
996
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 24 define_name += *pos;
997 24 pos++;
998 }
999
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 5 if (*pos != 0 && *pos != '\r' && *pos != '\n') pos++; // skip =
1000
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 18 while (*pos != 0 && *pos != '\n') {
1001
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 13 if(*pos == '\r') { pos++; continue; }
1002
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 13 define_val += *pos;
1003 13 pos++;
1004 }
1005
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 5 if (*pos != 0)
1006 5 pos++; // skip \n
1007 // clean define_name
1008
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 5 strip_whitespace(define_name);
1009
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 5 define_name.strip_prefix('!'); // remove leading ! if present
1010
1011
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 5 if (define_name == "")
1012 {
1013
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 1 if (define_val == "")
1014 {
1015 1 continue;
1016 }
1017
1018 ✗ throw_err_null(pass, err_stddefines_no_identifier);
1019 }
1020
1021
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 4 if (!validatedefinename(define_name)) throw_err_null(pass, err_cmdl_define_invalid, "stddefines.txt", define_name.data());
1022
1023 // clean define_val
1024 4 const char* defval = define_val.data();
1025 4 string cleaned_defval;
1026
1027
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 4 if (*defval == 0) {
1028 // no value
1029
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 2 if (clidefines.exists(define_name)) throw_err_null(pass, err_cmdl_define_override, "Std define", define_name.data());
1030
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 2 clidefines.create(define_name) = "";
1031 2 continue;
1032 }
1033
1034
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 4 while (*defval == ' ' || *defval == '\t') defval++; // skip whitespace in beginning
1035
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 2 if (*defval == '"') {
1036 1 defval++; // skip opening quote
1037
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 6 while (*defval != '"' && *defval != 0)
1038
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 5 cleaned_defval += *defval++;
1039
1040
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 1 if (*defval == 0) {
1041 ✗ throw_err_null(pass, err_mismatched_quotes);
1042 }
1043 1 defval++; // skip closing quote
1044
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 1 while (*defval == ' ' || *defval == '\t') defval++; // skip whitespace
1045
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 1 if (*defval != 0 && *defval != '\n')
1046 ✗ throw_err_null(pass, err_stddefine_after_closing_quote);
1047
1048
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 1 if (clidefines.exists(define_name)) throw_err_null(pass, err_cmdl_define_override, "Std define", define_name.data());
1049
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 1 clidefines.create(define_name) = cleaned_defval;
1050 1 continue;
1051 }
1052 else
1053 {
1054 // slightly hacky way to remove trailing whitespace
1055
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 1 const char* defval_end = strchr(defval, '\n'); // slightly hacky way to get end of string or newline
1056
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 1 if (!defval_end) defval_end = strchr(defval, 0);
1057 1 defval_end--;
1058
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 4 while (*defval_end == ' ' || *defval_end == '\t') defval_end--;
1059
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 1 cleaned_defval = string(defval, (int)(defval_end - defval + 1));
1060
1061
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 1 if (clidefines.exists(define_name)) throw_err_null(pass, err_cmdl_define_override, "Std define", define_name.data());
1062
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 1 clidefines.create(define_name) = cleaned_defval;
1063 1 continue;
1064 1 }
1065
1066 5 }
1067 1 free(content);
1068 }
1069 }
1070
1071 bool checksum_fix_enabled = true;
1072 bool force_checksum_fix = false;
1073
1074 #define cfree(x) free((void*)x)
1075 140 static void clearmacro(const string & key, macrodata* & macro)
1076 {
1077 (void)key;
1078 140 freemacro(macro);
1079 140 }
1080
1081 327 static void clearfile(const string & key, sourcefile& filecontent)
1082 {
1083 (void)key;
1084 327 cfree(filecontent.data);
1085 327 cfree(filecontent.contents);
1086 327 }
1087 #undef cfree
1088
1089 861 static void adddefine(const string & key, string & value)
1090 {
1091
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 861 if (!defines.exists(key)) defines.create(key) = value;
1092 861 }
1093
1094 2 string create_symbols_file(string format, uint32_t romCrc){
1095 2 string symbolfile;
1096
1097 2 std::vector<std::pair<unsigned int, const char*>> all_labels;
1098
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 6 labels.each([&all_labels](const string& key, snes_label& label) {
1099
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 4 all_labels.push_back(std::make_pair(label.pos, key.data()));
1100 4 });
1101
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 2 std::sort(all_labels.begin(), all_labels.end(),
1102 2 [](auto& l, auto& r) {
1103
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 2 if (l.first == r.first)
1104 ✗ return strcmp(l.second, r.second) < 0;
1105 2 return l.first < r.first;
1106 });
1107
1108
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 2 format = lower(format);
1109
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 2 if(format == "wla")
1110 {
1111
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 2 symbolfile = "; wla symbolic information file\n";
1112
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 2 symbolfile += "; generated by asar\n";
1113
1114
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 2 symbolfile += "\n[labels]\n";
1115
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 6 for (auto& p : all_labels) {
1116 4 char buffer[10];
1117
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 4 std::snprintf(buffer, sizeof(buffer), "%02X:%04X ", (p.first >> 16) & 0xFF, p.first & 0xFFFF);
1118
1119
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 4 symbolfile += buffer;
1120
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 4 symbolfile += p.second;
1121
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 4 symbolfile += "\n";
1122 }
1123
1124
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 2 symbolfile += "\n[source files]\n";
1125 2 const autoarray<AddressToLineMapping::FileInfo>& addrToLineFileList = addressToLineMapping.getFileList();
1126
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 4 for (int i = 0; i < addrToLineFileList.count; ++i)
1127 {
1128 2 char addrToFileListStr[256];
1129 2 snprintf(addrToFileListStr, 256, "%.4x %.8x %s\n",
1130 i,
1131
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 2 addrToLineFileList[i].fileCrc,
1132
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 2 addrToLineFileList[i].filename.data()
1133 );
1134
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 2 symbolfile += addrToFileListStr;
1135 }
1136
1137
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 2 symbolfile += "\n[rom checksum]\n";
1138 {
1139 2 char romCrcStr[32];
1140
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 2 snprintf(romCrcStr, 32, "%.8x\n",
1141 romCrc
1142 );
1143
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 2 symbolfile += romCrcStr;
1144 }
1145
1146
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 2 symbolfile += "\n[addr-to-line mapping]\n";
1147 2 const autoarray<AddressToLineMapping::AddrToLineInfo>& addrToLineInfo = addressToLineMapping.getAddrToLineInfo();
1148
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 8 for (int i = 0; i < addrToLineInfo.count; ++i)
1149 {
1150 6 char addrToLineStr[32];
1151 ✗ snprintf(addrToLineStr, 32, "%.2x:%.4x %.4x:%.8x\n",
1152
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 6 (addrToLineInfo[i].addr & 0xFF0000) >> 16,
1153
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 6 addrToLineInfo[i].addr & 0xFFFF,
1154
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1155
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 6 addrToLineInfo[i].line & 0xFFFFFFFF
1156 );
1157
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 6 symbolfile += addrToLineStr;
1158 }
1159
1160 }
1161 ✗ else if (format == "nocash")
1162 {
1163 ✗ symbolfile = ";no$sns symbolic information file\n";
1164 ✗ symbolfile += ";generated by asar\n";
1165 ✗ symbolfile += "\n";
1166 ✗ for (auto& p : all_labels) {
1167 ✗ char buffer[10];
1168 ✗ std::snprintf(buffer, sizeof(buffer), "%08X ", p.first & 0xFFFFFF);
1169
1170 ✗ symbolfile += buffer;
1171 ✗ symbolfile += p.second;
1172 ✗ symbolfile += "\n";
1173 }
1174 }
1175 4 return symbolfile;
1176 2 }
1177
1178
1179 2 bool in_top_level_file()
1180 {
1181 2 int num_files = 0;
1182
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 8 for (int i = (int)callstack.size()-1; i >= 0; --i)
1183 {
1184
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 6 if (callstack[i].type == callstack_entry_type::FILE)
1185 {
1186 2 num_files++;
1187
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 2 if (num_files > 1) break;
1188 }
1189 }
1190 2 return (num_files <= 1);
1191 }
1192
1193 17068 const char* get_current_file_name()
1194 {
1195
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 49312 for (int i = (int)callstack.size()-1; i >= 0; --i)
1196 {
1197
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 48469 if (callstack[i].type == callstack_entry_type::FILE)
1198 16225 return callstack[i].content;
1199 }
1200 843 return nullptr;
1201 }
1202
1203 9045 int get_current_line()
1204 {
1205
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 17891 for (int i = (int)callstack.size()-1; i >= 0; --i)
1206 {
1207
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 17880 if (callstack[i].type == callstack_entry_type::LINE) return callstack[i].lineno;
1208 }
1209 11 return -1;
1210 }
1211
1212 270 const char* get_current_block()
1213 {
1214
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 276 for (int i = (int)callstack.size()-1; i >= 0; --i)
1215 {
1216
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 265 if (callstack[i].type == callstack_entry_type::LINE || callstack[i].type == callstack_entry_type::BLOCK) return callstack[i].content;
1217 }
1218 11 return nullptr;
1219 }
1220
1221
1222 290 void reseteverything()
1223 {
1224 290 string str;
1225 290 labels.reset();
1226 290 defines.reset();
1227
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 290 builtindefines.each(adddefine);
1228
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 290 clidefines.each(adddefine);
1229 290 structs.reset();
1230
1231
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 290 macros.each(clearmacro);
1232 290 macros.reset();
1233
1234
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 290 filecontents.each(clearfile);
1235 290 filecontents.reset();
1236
1237 290 writtenblocks.reset();
1238
1239 290 optimizeforbank=-1;
1240 290 optimize_dp = optimize_dp_flag::ALWAYS;
1241 290 dp_base = 0;
1242 290 optimize_address = optimize_address_flag::MIRRORS;
1243
1244
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 290 closecachedfiles();
1245
1246 290 incsrcdepth=0;
1247 290 label_counter = 0;
1248 290 errored = false;
1249 290 checksum_fix_enabled = true;
1250 290 force_checksum_fix = false;
1251
1252 290 in_macro_def = 0;
1253
1254 290 callstack.clear();
1255 290 simple_callstacks = true;
1256 452 }
1257