asar coverage - build #301

src/asar/
File: src/asar/main.cpp
Date: 2025-03-18 20:16:22
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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
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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;
197 259 case callstack_entry_type::LINE:
198
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 259 if (current_block == nullptr && current_call == nullptr) current_block = callstack[i].content;
199
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 259 if (current_line_no == -1) current_line_no = callstack[i].lineno;
200 259 break;
201 207 case callstack_entry_type::BLOCK:
202
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 207 if (current_block == nullptr) current_block = callstack[i].content;
203 207 break;
204 }
205 }
206 5 *location = "";
207 5 *details = "";
208 }
209
210 272 void get_full_printable_callstack(autoarray<printable_callstack_entry>* out, int indentation, bool add_lines)
211 {
212 272 out->reset();
213 272 const char* current_file = nullptr;
214 272 const char* current_block = nullptr;
215 272 const char* current_call = nullptr;
216 272 int current_line_no = -1;
217
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 31221 for (size_t i = 0; i < callstack.size(); ++i)
218 {
219
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 30949 switch (callstack[i].type)
220 {
221 10321 case callstack_entry_type::FILE:
222
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 10321 if (current_file != nullptr)
223 {
224 10054 push_stack_line(out, current_file, current_block, current_call, current_line_no, indentation, add_lines);
225 }
226 10321 current_file = callstack[i].content;
227 10321 current_block = nullptr;
228 10321 current_call = nullptr;
229 10321 current_line_no = -1;
230 10321 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 10315 case callstack_entry_type::LINE:
236 10315 current_line_no = callstack[i].lineno;
237 10315 current_block = callstack[i].content;
238 10315 break;
239 10263 case callstack_entry_type::BLOCK:
240 10263 current_block = callstack[i].content;
241 10263 break;
242 }
243 }
244 272 }
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.
265 268 static string get_simple_callstack()
266 {
267 int i;
268 268 const char* current_call = nullptr;
269
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 31005 for (i = (int)callstack.size()-1; i >= 0 ; --i)
270 {
271
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 30779 if (callstack[i].type == callstack_entry_type::MACRO_CALL)
272 {
273 42 current_call = callstack[i].content;
274 42 break;
275 }
276 }
277
278 268 const char* current_file = nullptr;
279 268 int current_line_no = -1;
280
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 268 if (current_call != nullptr)
281 {
282 42 bool stop = false;
283
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 126 for (int j = i-1; j >= 0 ; --j)
284 {
285
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 126 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 42 case callstack_entry_type::BLOCK:
302 42 break;
303 }
304
305
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 126 if (current_file != nullptr && current_line_no != -1) stop = true;
306
307
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 126 if (stop) break;
308 }
309 }
310
311 268 string e;
312
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 268 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 }
317 268 return e;
318 }
319
320 270 string get_callstack()
321 {
322
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 270 if (simple_callstacks)
323 268 return get_simple_callstack();
324 else
325 2 return get_full_callstack();
326 }
327
328 18 void throw_vfile_error(int whichpass, virtual_file_error vfile_error, const char* filename)
329 {
330
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 18 switch (vfile_error)
331 {
332 6 case vfe_doesnt_exist:
333 6 throw_err_block(whichpass, err_file_not_found, filename);
334 ✗ case vfe_access_denied:
335 ✗ throw_err_block(whichpass, err_failed_to_open_file_access_denied, filename);
336 12 case vfe_not_regular_file:
337 12 throw_err_block(whichpass, err_failed_to_open_not_regular_file, filename);
338 ✗ case vfe_unknown:
339 case vfe_none:
340 case vfe_num_errors:
341 ✗ throw_err_block(whichpass, err_failed_to_open_file, filename);
342 }
343
344 ✗ throw_err_block(whichpass, err_failed_to_open_file, filename);
345 }
346
347 18 virtual_file_error asar_get_last_io_error()
348 {
349
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 18 if (filesystem != nullptr)
350 {
351 18 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 67197 void resolvedefines(string& out, const char * start)
482 {
483
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 67197 recurseblock rec;
484 67195 const char * here=start;
485
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 67195 if (!strchr(here, '!'))
486 {
487
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 56710 out += here;
488 56710 return;
489 }
490
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 82754 while (*here)
491 {
492
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 72300 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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 72294 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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 72252 else if (*here=='!')
507 {
508
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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
509 11259 string defname;
510 11259 here++;
511
512 11259 int depth = 0;
513
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 11373 for (const char* depth_str = here; *depth_str=='^'; depth_str++)
514 {
515 114 depth++;
516 }
517 11259 here += depth;
518
519
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 11259 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) throw_err_line(0, err_invalid_depth_resolve, "define", "define", depth, in_macro_def);
524 1305 continue;
525 1305 }
526
527
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 9936 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) throw_err_line(0, err_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)) throw_err_line(0, err_invalid_define_name);
543 108 }
544 else
545 {
546
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 59620 while (is_ualnum(*here)) defname+=*here++;
547 }
548
549
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 9936 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 throw_err_line(0, err_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, " : ")) throw_err_line(0, err_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
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 6 throw_err_line(0, err_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)) throw_err_line(0, err_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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 1932 math_val num = parse_math_expr(newval)->evaluate_static();
625 1920 string num_str;
626
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 1920 if(num.m_type == math_val_type::string) num_str = num.get_str();
627
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 1920 else if(num.m_type == math_val_type::floating) num_str = ftostr(num.get_double());
628
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 1908 else num_str = dec(num.get_integer());
629
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 1920 defines.create(defname) = std::move(num_str);
630 1920 break;
631 1926 }
632 ✗ case setifnotset:
633 {
634 ✗ if (!defines.exists(defname)) defines.create(defname) = val;
635 ✗ break;
636 }
637 }
638 2607 }
639 else
640 {
641 6000 notdefineset:
642
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 7329 if (!defname) out+="!";
643 else
644 {
645
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 7248 if (!defines.exists(defname)) throw_err_line(0, err_define_not_found, defname.data());
646 else {
647
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 7247 string thisone = defines.find(defname);
648
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 7247 resolvedefines(out, thisone);
649 7247 }
650 }
651 }
652
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 11259 }
653
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 60993 else out+=*here++;
654 }
655
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 10454 if (!confirmquotes(out)) { throw_err_null(0, err_mismatched_quotes); out = ""; }
656
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 67195 }
657
658 bool moreonline;
659 bool asarverallowed = false;
660
661 56887 void assembleline(const char * fname, int linenum, const string& line, int& single_line_for_tracker)
662 {
663
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 56887 recurseblock rec;
664
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 56887 bool moreonlinetmp=moreonline;
665 // randomdude999: redundant, assemblefile already converted the path to absolute
666 //string absolutepath = filesystem->create_absolute_path("", fname);
667
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 56887 string absolutepath = fname;
668 56887 single_line_for_tracker = 1;
669 try
670 {
671
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 56887 string out=line;
672
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 56887 autoptr<char**> blocks=qsplitstr(out.temp_raw(), " : ");
673 56887 moreonline=true;
674
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 105637 for (int block_i=0;moreonline;block_i++)
675 {
676 58756 moreonline=(blocks[block_i+1] != nullptr);
677 try
678 {
679 // it's possible that our input looks something like:
680 // nop : : nop
681 // nop : : : : : nop
682 // also, it's possible that there were empty blocks at the start or end of the line:
683 // : nop :
684 // after qsplit, we still need to deal with possibly a single ": " from a preceding empty block,
685 // and if it's the last block, possibly a following " :".
686 58756 char* thisblock = strip_whitespace(blocks[block_i]);
687 // if the block starts with ": "
688
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 58756 if(thisblock[0] == ':' && thisblock[1] == ' ') {
689 24 thisblock++;
690
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 48 while(*thisblock == ' ') thisblock++;
691 }
692 // if the block is a single :, skip that too.
693
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 58756 if(thisblock[0] == ':' && thisblock[1] == 0) thisblock++;
694
695
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 58756 int len_blk = strlen(thisblock);
696 // last block - strip trailing " :" if present.
697
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 58756 if(!moreonline && len_blk >= 2 && thisblock[len_blk-2] == ' ' && thisblock[len_blk-1] == ':') {
698 12 thisblock[len_blk - 2] = 0;
699 }
700
701
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 58756 callstack_push cs_push(callstack_entry_type::BLOCK, thisblock);
702
703
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 58756 assembleblock(thisblock, single_line_for_tracker);
704
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 48394 checkbankcross();
705 58756 }
706
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 10366 catch (errblock&) {}
707
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 48750 if (blocks[block_i][0]!='\0') asarverallowed=false;
708
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 48750 if(single_line_for_tracker == 1) single_line_for_tracker = 0;
709 }
710 66893 }
711
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 10006 catch (errline&) {}
712 46881 moreonline=moreonlinetmp;
713 90482 }
714
715 int incsrcdepth=0;
716
717 // Returns true if a file is protected via
718 // an "includeonce".
719 11033 bool file_included_once(const char* file)
720 {
721
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 11231 for (int i = 0; i < includeonce.count; ++i)
722 {
723
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 240 if (includeonce[i] == file)
724 {
725 42 return true;
726 }
727 }
728
729 10991 return false;
730 }
731
732 autoarray<string> macro_defs;
733 int in_macro_def=0;
734
735 11003 void assemblefile(const char * filename)
736 {
737 11003 incsrcdepth++;
738
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 11003 string absolutepath = filesystem->create_absolute_path(get_current_file_name(), filename);
739
740
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 11003 if (file_included_once(absolutepath))
741 {
742 42 return;
743 }
744
745 // don't do this yet; we want "file not found" errors to show the location
746 // that called assemblefile
747 //callstack_push cs_push(callstack_entry_type::FILE, absolutepath);
748
749 5539 sourcefile file;
750 10961 file.contents = nullptr;
751 10961 file.numlines = 0;
752 10961 int startif=numif;
753
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 10961 if (!filecontents.exists(absolutepath))
754 {
755
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 335 char * temp = readfile(absolutepath, "");
756
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 333 if (!temp)
757 {
758
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 6 throw_vfile_error(0, asar_get_last_io_error(), filename);
759 ✗ return;
760 }
761
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 327 callstack_push cs_push(callstack_entry_type::FILE, absolutepath);
762
763
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 327 sourcefile& newfile = filecontents.create(absolutepath);
764
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 327 newfile.contents =split(temp, '\n');
765 327 newfile.data = temp;
766
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 12656 for (int i=0;newfile.contents[i];i++)
767 {
768 12329 newfile.numlines++;
769 12329 char * line = newfile.contents[i];
770 12329 int i_temp = i;
771 char * comment;
772
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 15951 while((comment = strqchr(line, ';'))) {
773
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 3624 if(comment[1] == '[' && comment[2] == '[') {
774 // block comment - find where it ends
775 12 char* theline = comment + 3;
776
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 12 char* comment_end = strstr(theline, "]]");
777
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 30 while(comment_end == nullptr) {
778 20 i_temp++;
779 20 char* new_line = newfile.contents[i_temp];
780
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 20 if(new_line == nullptr) {
781
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 2 callstack_push cs_push(callstack_entry_type::LINE, line, i);
782
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 2 throw_err_null(0, err_unclosed_block_comment);
783 // make sure this line is still parsed correctly
784 2 *comment = 0;
785 // but don't go looking at any other lines
786 2 goto break_outer;
787 2 }
788
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 18 comment_end = strstr(new_line, "]]");
789 // this line is itself part of the comment, so ignore it
790 //new_line[0] = 0;
791 // except not like that^, because that will break the
792 // memmove below
793 static char junk[]="";
794 // using a static here should be fine, since if the line
795 // doesn't contain ',' or '\' we won't go mutating it
796 18 newfile.contents[i_temp] = junk;
797 }
798 // comment_end+2 is a valid pointer, since comment_end is
799 // guaranteed to start with ]]
800 10 comment_end += 2;
801 // stitch together the part of the line before the comment,
802 // and the part of the line after it
803
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 10 memmove(comment, comment_end, strlen(comment_end) + 1);
804 // and then recheck for ; in the line again...
805 10 } else {
806 3612 *comment = 0;
807 }
808 }
809 12328 break_outer:
810
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 12329 if (!confirmquotes(line)) {
811
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 4 callstack_push cs_push(callstack_entry_type::LINE, line, i);
812
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 4 throw_err_null(0, err_mismatched_quotes);
813 4 line[0] = '\0';
814 4 }
815 12329 newfile.contents[i] = strip_whitespace(line);
816 }
817
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 12656 for(int i=0;newfile.contents[i];i++)
818 {
819 12329 char* line = newfile.contents[i];
820
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 12329 if(!*line) continue;
821
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 7363 for (int j=1;line[strlen(line) - 1] == ',' && newfile.contents[i+j];j++)
822 {
823 // not using strcat because the source and dest overlap here
824 10 char* otherline = newfile.contents[i+j];
825
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 10 char* line_end = line + strlen(line);
826
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 138 while(*otherline) *line_end++ = *otherline++;
827 10 *line_end = '\0';
828 static char nullstr[]="";
829 10 newfile.contents[i+j]=nullstr;
830 }
831 }
832 327 file = newfile;
833 327 } else { // filecontents.exists(absolutepath)
834
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 10626 file = filecontents.find(absolutepath);
835 }
836 // previous callstack_push got dropped by the end of the if scope
837
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 20961 callstack_push cs_push(callstack_entry_type::FILE, absolutepath);
838 10953 asarverallowed=true;
839
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 54294 for (int i=0;file.contents[i] && i<file.numlines;i++)
840 {
841 53349 string connectedline;
842
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 53349 int skiplines = getconnectedlines<char**>(file.contents, i, connectedline);
843
844
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 53349 bool was_loop_end = do_line_logic(connectedline, absolutepath, i);
845 43341 i += skiplines;
846
847 // if a loop ended on this line, should it run again?
848
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 43341 if (was_loop_end && whilestatus[numif].cond)
849
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 1332 i = whilestatus[numif].startline - 1;
850 53349 }
851
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 957 while (in_macro_def > 0)
852 {
853
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 12 throw_err_null(0, err_unclosed_macro, macro_defs[in_macro_def-1].data());
854
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 12 if (!pass && in_macro_def == 1) endmacro(false);
855 12 in_macro_def--;
856 12 macro_defs.remove(in_macro_def);
857 }
858
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 945 if (numif!=startif)
859 {
860 ✗ numif=startif;
861 ✗ numtrue=startif;
862 ✗ throw_err_null(0, err_unclosed_if);
863 }
864 945 incsrcdepth--;
865
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 11003 }
866
867 // RPG Hacker: At some point, this should probably be merged
868 // into assembleline(), since the two names just cause
869 // confusion otherwise.
870 // return value is "did a loop end on this line"
871 60435 bool do_line_logic(const string& line, const char* filename, int lineno)
872 {
873 60435 int prevnumif = numif;
874 60435 int single_line_for_tracker = 1;
875 try
876 {
877 60435 string current_line;
878
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 60435 if (numif==numtrue || (numtrue+1==numif && stribegin(line, "elseif ")))
879 {
880
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 57327 callstack_push cs_push(callstack_entry_type::LINE, line, lineno);
881
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 57327 string tmp=replace_macro_args(line);
882
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 57237 tmp.qnormalize();
883
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 57237 resolvedefines(current_line, tmp);
884
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 57205 if (!confirmquotes(current_line)) throw_err_line(0, err_mismatched_quotes);
885 57359 }
886
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 3108 else current_line=line;
887
888
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 60313 callstack_push cs_push(callstack_entry_type::LINE, current_line, lineno);
889
890
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 60313 if (stribegin(current_line, "macro ") && numif==numtrue)
891 {
892 // RPG Hacker: Slight redundancy here with code that is
893 // also in startmacro(). Could improve this for Asar 2.0.
894
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 522 string macro_name = current_line.data()+6;
895 522 char * startpar=strqchr(macro_name.data(), '(');
896
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 522 if (startpar) *startpar=0;
897
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 522 macro_defs.append(macro_name);
898
899 // RPG Hacker: I think it would make more logical sense
900 // to have this ++ after the if, but hat breaks compatibility
901 // with at least one test, and it generally leads to more
902 // errors being output after a broken macro declaration.
903 522 in_macro_def++;
904
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 522 if (!pass)
905 {
906
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 174 if (in_macro_def == 1) startmacro(current_line.data()+6);
907
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 32 else tomacro(current_line);
908 }
909 522 }
910
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 59791 else if (!stricmp(current_line, "endmacro") && numif==numtrue)
911 {
912
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 510 if (in_macro_def == 0) throw_err_line(0, err_misplaced_endmacro);
913 else
914 {
915 510 in_macro_def--;
916 510 macro_defs.remove(in_macro_def);
917
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 510 if (!pass)
918 {
919
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 170 if (in_macro_def == 0) endmacro(true);
920
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 30 else tomacro(current_line);
921 }
922 }
923 }
924
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 59281 else if (in_macro_def > 0)
925 {
926
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 2394 if (!pass) tomacro(current_line);
927 }
928 else
929 {
930
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 56887 assembleline(filename, lineno, current_line, single_line_for_tracker);
931 }
932 70443 }
933
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 10130 catch (errline&) {}
934
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 47697 return (numif < prevnumif || single_line_for_tracker == 3)
935
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 98124 && (whilestatus[numif].iswhile || whilestatus[numif].is_for);
936 }
937
938
939 4 void parse_std_includes(const char* textfile, autoarray<string>& outarray)
940 {
941 4 char* content = readfilenative(textfile);
942
943
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 4 if (content != nullptr)
944 {
945 1 char* pos = content;
946
947
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 5 while (pos[0] != '\0')
948 {
949 4 string stdinclude;
950
951 do
952 {
953
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 30 if (pos[0] != '\r' && pos[0] != '\n')
954 {
955
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 27 stdinclude += pos[0];
956 }
957 30 pos++;
958
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 30 } while (pos[0] != '\0' && pos[0] != '\n');
959
960
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 4 strip_whitespace(stdinclude);
961
962
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 4 if (stdinclude != "")
963 {
964
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 3 if (!path_is_absolute(stdinclude))
965 {
966
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 1 stdinclude = dir(textfile) + stdinclude;
967 }
968
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 3 outarray.append(normalize_path(stdinclude));
969 }
970 4 }
971
972 1 free(content);
973 }
974 4 }
975
976 286 void parse_std_defines(const char* textfile)
977 {
978
979 // RPG Hacker: add built-in defines.
980 // (They're not really standard defines, but I was lazy and this was
981 // one convenient place for doing it).
982 286 builtindefines.create("assembler") = "asar";
983
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 286 builtindefines.create("assembler_ver") = dec(get_version_int());
984
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 286 builtindefines.create("assembler_time") = dec(time(nullptr));
985
986
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 286 if(textfile == nullptr) return;
987
988 4 char* content = readfilenative(textfile);
989
990
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 4 if (content != nullptr)
991 {
992 1 char* pos = content;
993
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 6 while (*pos != 0) {
994 5 string define_name;
995 5 string define_val;
996
997
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 29 while (*pos != '=' && *pos != '\n') {
998
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 24 if(*pos == '\r') { pos++; continue; }
999
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 24 define_name += *pos;
1000 24 pos++;
1001 }
1002
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 5 if (*pos != 0 && *pos != '\r' && *pos != '\n') pos++; // skip =
1003
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 18 while (*pos != 0 && *pos != '\n') {
1004
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 13 if(*pos == '\r') { pos++; continue; }
1005
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 13 define_val += *pos;
1006 13 pos++;
1007 }
1008
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 5 if (*pos != 0)
1009 5 pos++; // skip \n
1010 // clean define_name
1011
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 5 strip_whitespace(define_name);
1012
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 5 define_name.strip_prefix('!'); // remove leading ! if present
1013
1014
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 5 if (define_name == "")
1015 {
1016
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 1 if (define_val == "")
1017 {
1018 1 continue;
1019 }
1020
1021 ✗ throw_err_null(pass, err_stddefines_no_identifier);
1022 }
1023
1024
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 4 if (!validatedefinename(define_name)) throw_err_null(pass, err_cmdl_define_invalid, "stddefines.txt", define_name.data());
1025
1026 // clean define_val
1027 4 const char* defval = define_val.data();
1028 4 string cleaned_defval;
1029
1030
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 4 if (*defval == 0) {
1031 // no value
1032
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 2 if (clidefines.exists(define_name)) throw_err_null(pass, err_cmdl_define_override, "Std define", define_name.data());
1033
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 2 clidefines.create(define_name) = "";
1034 2 continue;
1035 }
1036
1037
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 4 while (*defval == ' ' || *defval == '\t') defval++; // skip whitespace in beginning
1038
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 2 if (*defval == '"') {
1039 1 defval++; // skip opening quote
1040
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 6 while (*defval != '"' && *defval != 0)
1041
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 5 cleaned_defval += *defval++;
1042
1043
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 1 if (*defval == 0) {
1044 ✗ throw_err_null(pass, err_mismatched_quotes);
1045 }
1046 1 defval++; // skip closing quote
1047
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 1 while (*defval == ' ' || *defval == '\t') defval++; // skip whitespace
1048
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 1 if (*defval != 0 && *defval != '\n')
1049 ✗ throw_err_null(pass, err_stddefine_after_closing_quote);
1050
1051
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 1 if (clidefines.exists(define_name)) throw_err_null(pass, err_cmdl_define_override, "Std define", define_name.data());
1052
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 1 clidefines.create(define_name) = cleaned_defval;
1053 1 continue;
1054 }
1055 else
1056 {
1057 // slightly hacky way to remove trailing whitespace
1058
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 1 const char* defval_end = strchr(defval, '\n'); // slightly hacky way to get end of string or newline
1059
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 1 if (!defval_end) defval_end = strchr(defval, 0);
1060 1 defval_end--;
1061
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 4 while (*defval_end == ' ' || *defval_end == '\t') defval_end--;
1062
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 1 cleaned_defval = string(defval, (int)(defval_end - defval + 1));
1063
1064
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 1 if (clidefines.exists(define_name)) throw_err_null(pass, err_cmdl_define_override, "Std define", define_name.data());
1065
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 1 clidefines.create(define_name) = cleaned_defval;
1066 1 continue;
1067 1 }
1068
1069 5 }
1070 1 free(content);
1071 }
1072 }
1073
1074 bool checksum_fix_enabled = true;
1075 bool force_checksum_fix = false;
1076
1077 #define cfree(x) free((void*)x)
1078 140 static void clearmacro(const string & key, macrodata* & macro)
1079 {
1080 (void)key;
1081 140 freemacro(macro);
1082 140 }
1083
1084 327 static void clearfile(const string & key, sourcefile& filecontent)
1085 {
1086 (void)key;
1087 327 cfree(filecontent.data);
1088 327 cfree(filecontent.contents);
1089 327 }
1090 #undef cfree
1091
1092 861 static void adddefine(const string & key, string & value)
1093 {
1094
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 861 if (!defines.exists(key)) defines.create(key) = value;
1095 861 }
1096
1097 2 string create_symbols_file(string format, uint32_t romCrc){
1098 2 string symbolfile;
1099
1100 2 std::vector<std::pair<unsigned int, const char*>> all_labels;
1101
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 6 labels.each([&all_labels](const string& key, snes_label& label) {
1102
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 4 all_labels.push_back(std::make_pair(label.pos, key.data()));
1103 4 });
1104
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 2 std::sort(all_labels.begin(), all_labels.end(),
1105 2 [](auto& l, auto& r) {
1106
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 2 if (l.first == r.first)
1107 ✗ return strcmp(l.second, r.second) < 0;
1108 2 return l.first < r.first;
1109 });
1110
1111
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 2 format = lower(format);
1112
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 2 if(format == "wla")
1113 {
1114
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 2 symbolfile = "; wla symbolic information file\n";
1115
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 2 symbolfile += "; generated by asar\n";
1116
1117
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 2 symbolfile += "\n[labels]\n";
1118
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 6 for (auto& p : all_labels) {
1119 4 char buffer[10];
1120
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 4 std::snprintf(buffer, sizeof(buffer), "%02X:%04X ", (p.first >> 16) & 0xFF, p.first & 0xFFFF);
1121
1122
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 4 symbolfile += buffer;
1123
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 4 symbolfile += p.second;
1124
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 4 symbolfile += "\n";
1125 }
1126
1127
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 2 symbolfile += "\n[source files]\n";
1128 2 const autoarray<AddressToLineMapping::FileInfo>& addrToLineFileList = addressToLineMapping.getFileList();
1129
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 4 for (int i = 0; i < addrToLineFileList.count; ++i)
1130 {
1131 2 char addrToFileListStr[256];
1132 2 snprintf(addrToFileListStr, 256, "%.4x %.8x %s\n",
1133 i,
1134
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 2 addrToLineFileList[i].fileCrc,
1135
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 2 addrToLineFileList[i].filename.data()
1136 );
1137
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 2 symbolfile += addrToFileListStr;
1138 }
1139
1140
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 2 symbolfile += "\n[rom checksum]\n";
1141 {
1142 2 char romCrcStr[32];
1143
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 2 snprintf(romCrcStr, 32, "%.8x\n",
1144 romCrc
1145 );
1146
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 2 symbolfile += romCrcStr;
1147 }
1148
1149
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 2 symbolfile += "\n[addr-to-line mapping]\n";
1150 2 const autoarray<AddressToLineMapping::AddrToLineInfo>& addrToLineInfo = addressToLineMapping.getAddrToLineInfo();
1151
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 8 for (int i = 0; i < addrToLineInfo.count; ++i)
1152 {
1153 6 char addrToLineStr[32];
1154 ✗ snprintf(addrToLineStr, 32, "%.2x:%.4x %.4x:%.8x\n",
1155
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 6 (addrToLineInfo[i].addr & 0xFF0000) >> 16,
1156
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 6 addrToLineInfo[i].addr & 0xFFFF,
1157
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 6 addrToLineInfo[i].fileIdx & 0xFFFF,
1158
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 6 addrToLineInfo[i].line & 0xFFFFFFFF
1159 );
1160
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 6 symbolfile += addrToLineStr;
1161 }
1162
1163 }
1164 ✗ else if (format == "nocash")
1165 {
1166 ✗ symbolfile = ";no$sns symbolic information file\n";
1167 ✗ symbolfile += ";generated by asar\n";
1168 ✗ symbolfile += "\n";
1169 ✗ for (auto& p : all_labels) {
1170 ✗ char buffer[10];
1171 ✗ std::snprintf(buffer, sizeof(buffer), "%08X ", p.first & 0xFFFFFF);
1172
1173 ✗ symbolfile += buffer;
1174 ✗ symbolfile += p.second;
1175 ✗ symbolfile += "\n";
1176 }
1177 }
1178 4 return symbolfile;
1179 2 }
1180
1181
1182 2 bool in_top_level_file()
1183 {
1184 2 int num_files = 0;
1185
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 8 for (int i = (int)callstack.size()-1; i >= 0; --i)
1186 {
1187
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 6 if (callstack[i].type == callstack_entry_type::FILE)
1188 {
1189 2 num_files++;
1190
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 2 if (num_files > 1) break;
1191 }
1192 }
1193 2 return (num_files <= 1);
1194 }
1195
1196 17068 const char* get_current_file_name()
1197 {
1198
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 49312 for (int i = (int)callstack.size()-1; i >= 0; --i)
1199 {
1200
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 48469 if (callstack[i].type == callstack_entry_type::FILE)
1201 16225 return callstack[i].content;
1202 }
1203 843 return nullptr;
1204 }
1205
1206 9045 int get_current_line()
1207 {
1208
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 17891 for (int i = (int)callstack.size()-1; i >= 0; --i)
1209 {
1210
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 17880 if (callstack[i].type == callstack_entry_type::LINE) return callstack[i].lineno;
1211 }
1212 11 return -1;
1213 }
1214
1215 270 const char* get_current_block()
1216 {
1217
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 276 for (int i = (int)callstack.size()-1; i >= 0; --i)
1218 {
1219
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 265 if (callstack[i].type == callstack_entry_type::LINE || callstack[i].type == callstack_entry_type::BLOCK) return callstack[i].content;
1220 }
1221 11 return nullptr;
1222 }
1223
1224
1225 290 void reseteverything()
1226 {
1227 290 string str;
1228 290 labels.reset();
1229 290 defines.reset();
1230
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 290 builtindefines.each(adddefine);
1231
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 290 clidefines.each(adddefine);
1232 290 structs.reset();
1233
1234
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 290 macros.each(clearmacro);
1235 290 macros.reset();
1236
1237
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 290 filecontents.each(clearfile);
1238 290 filecontents.reset();
1239
1240 290 writtenblocks.reset();
1241
1242 290 optimizeforbank=-1;
1243 290 optimize_dp = optimize_dp_flag::ALWAYS;
1244 290 dp_base = 0;
1245 290 optimize_address = optimize_address_flag::MIRRORS;
1246
1247
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 290 closecachedfiles();
1248
1249 290 incsrcdepth=0;
1250 290 label_counter = 0;
1251 290 errored = false;
1252 290 checksum_fix_enabled = true;
1253 290 force_checksum_fix = false;
1254
1255 290 in_macro_def = 0;
1256
1257 290 callstack.clear();
1258 290 simple_callstacks = true;
1259 452 }
1260