asar coverage - build #243

src/asar/
File: src/asar/main.cpp
Date: 2025-02-21 04:16:25
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1 // "because satanism is best defeated by summoning a bigger satan"
2 // ~Alcaro, 2019 (discussing Asar)
3 #include "addr2line.h"
4 #include "asar.h"
5 #include "virtualfile.h"
6 #include "platform/file-helpers.h"
7 #include "assembleblock.h"
8 #include "asar_math.h"
9 #include "macro.h"
10 #include <algorithm>
11 #include <ctime>
12 // randomdude999: remember to also update the .rc files (in res/windows/) when changing this.
13 // Couldn't find a way to automate this without shoving the version somewhere in the CMake files
14 const int asarver_maj=2;
15 const int asarver_min=0;
16 const int asarver_bug=0;
17 const bool asarver_beta=true;
18
19 #ifdef _I_RELEASE
20 extern char blockbetareleases[(!asarver_beta)?1:-1];
21 #endif
22 #ifdef _I_DEBUG
23 extern char blockreleasedebug[(asarver_beta)?1:-1];
24 #endif
25
26 unsigned const char * romdata_r;
27 int romlen_r;
28
29 int pass;
30
31 int optimizeforbank=-1;
32 int optimize_dp = optimize_dp_flag::ALWAYS;
33 int dp_base = 0;
34 int optimize_address = optimize_address_flag::MIRRORS;
35
36 autoarray<callstack_entry> callstack;
37
38 bool errored=false;
39 bool ignoretitleerrors=false;
40
41 volatile int recursioncount=0;
42
43 virtual_filesystem* filesystem = nullptr;
44
45 AddressToLineMapping addressToLineMapping;
46
47 582 int get_version_int()
48 {
49 582 return asarver_maj * 10000 + asarver_min * 100 + asarver_bug;
50 }
51
52 66 bool setmapper()
53 {
54 33 int maxscore=-99999;
55 33 mapper_t bestmap=lorom;
56 66 mapper_t maps[]={lorom, hirom, exlorom, exhirom};
57
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 330 for (size_t mapid=0;mapid<sizeof(maps)/sizeof(maps[0]);mapid++)
58 {
59 264 mapper=maps[mapid];
60 132 int score=0;
61 132 int highbits=0;
62 132 bool foundnull=false;
63
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 5808 for (int i=0;i<21;i++)
64 {
65 5544 unsigned char c=romdata[snestopc(0x00FFC0+i)];
66
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 5544 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
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 5544 if (c>=128) highbits++;
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 5544 else if (is_upper(c)) score+=3;
69
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 4584 else if (c==' ') score+=2;
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 4200 else if (is_digit(c)) score+=1;
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 4200 else if (is_lower(c)) score+=1;
72
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 4200 else if (c=='-') score+=1;
73
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 4200 else if (!c) foundnull=true;
74 ✗ else score-=3;
75 }
76
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 264 if (highbits>0 && highbits<=14) score-=21;//high bits set on some, but not all, bytes = unlikely to be a ROM
77
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 297 if ((romdata[snestopc(0x00FFDE)]^romdata[snestopc(0x00FFDC)])!=0xFF ||
78
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 165 (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
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 264 if (score>maxscore)
81 {
82 33 maxscore=score;
83 33 bestmap=mapper;
84 }
85 }
86 66 mapper=bestmap;
87
88 //detect oddball mappers
89 66 int mapperbyte=romdata[snestopc(0x00FFD5)];
90 66 int romtypebyte=romdata[snestopc(0x00FFD6)];
91
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 66 if (mapper==lorom)
92 {
93
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 66 if (mapperbyte==0x23 && (romtypebyte==0x32 || romtypebyte==0x34 || romtypebyte==0x35)) mapper=sa1rom;
94 }
95 66 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 25777 string shorten_to_relative_path(const char* base_path, const char* target_path)
104 {
105
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 25777 if (stribegin(target_path, base_path)) target_path += strlen(base_path);
106 25777 return target_path;
107 }
108
109 25777 string get_top_level_directory()
110 {
111 10315 string top_level_file_dir;
112
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 25777 for (int i = 0; i < callstack.count; ++i)
113 {
114
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 25777 if (callstack[i].type == callstack_entry_type::FILE)
115 {
116
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 25777 top_level_file_dir = dir(callstack[i].content);
117 25777 break;
118 }
119 }
120 25777 return top_level_file_dir;
121 ✗ }
122
123
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 25693 string generate_call_details_string(const char* current_block, const char* current_call, int indentation, bool add_lines)
124 {
125 10273 string e;
126
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 25693 if (current_block != nullptr || current_call != nullptr)
127 {
128 10248 string indent;
129
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 25643 if (add_lines) indent += "|";
130
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 128231 for (; indentation > 0; --indentation) indent += " ";
131
132
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 40975 if (current_block != nullptr) e += STR "\n"+indent+"in block: ["+current_block+"]";
133
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 25706 if (current_call != nullptr) e += STR "\n"+indent+"in macro call: [%"+current_call+"]";
134 25643 }
135 25693 return e;
136 ✗ }
137
138 25777 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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 36092 return shorten_to_relative_path(get_top_level_directory(), current_file);
146 }
147
148 9117 string generate_filename_and_line(const char* current_file, int current_line_no)
149 {
150
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 12820 return STR current_file
151
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 32747 + (current_line_no>=0?STR ":"+dec(current_line_no+1):"");
152 }
153
154 8332 string format_stack_line(const printable_callstack_entry& entry, int stack_frame_index)
155 {
156
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 3308 string indent = "\n| ";
157
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 8332 indent += dec(stack_frame_index);
158
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 8332 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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 8332 if (stack_frame_index < 100) indent += " ";
162
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 3432 if (stack_frame_index < 10) indent += " ";
163 return indent
164
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 16664 + generate_filename_and_line(entry.prettypath, entry.lineno)
165
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 19972 + entry.details;
166 8332 }
167
168 24992 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 9920 printable_callstack_entry new_entry;
171
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 9920 new_entry.fullpath = current_file;
172
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 24992 new_entry.prettypath = get_pretty_filename(current_file);
173 24992 new_entry.lineno = current_line_no;
174
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 40064 new_entry.details = generate_call_details_string(current_block, current_call, indentation, add_lines).raw();
175
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 24992 out->append(new_entry);
176 24992 }
177
178 702 void get_current_line_details(string* location, string* details, bool exclude_block)
179 {
180 354 const char* current_file = nullptr;
181 354 const char* current_block = nullptr;
182 354 const char* current_call = nullptr;
183 354 int current_line_no = -1;
184
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 2349 for (int i = callstack.count-1; i >= 0 ; --i)
185 {
186
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 2348 switch (callstack[i].type)
187 {
188 353 case callstack_entry_type::FILE:
189 353 current_file = callstack[i].content;
190
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 701 if (exclude_block) current_block = nullptr;
191
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 701 *location = generate_filename_and_line(get_pretty_filename(current_file), current_line_no);
192
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 701 *details = generate_call_details_string(current_block, current_call, 4, false);
193 701 return;
194 ✗ case callstack_entry_type::MACRO_CALL:
195 ✗ if (current_call == nullptr) current_call = callstack[i].content;
196 ✗ break;
197 665 case callstack_entry_type::LINE:
198
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 665 if (current_block == nullptr && current_call == nullptr) current_block = callstack[i].content;
199
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 995 if (current_line_no == -1) current_line_no = callstack[i].lineno;
200 335 break;
201 982 case callstack_entry_type::BLOCK:
202
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 982 if (current_block == nullptr) current_block = callstack[i].content;
203 496 break;
204 }
205 }
206 1 *location = "";
207 1 *details = "";
208 }
209
210 704 void get_full_printable_callstack(autoarray<printable_callstack_entry>* out, int indentation, bool add_lines)
211 {
212 704 out->reset();
213 356 const char* current_file = nullptr;
214 356 const char* current_block = nullptr;
215 356 const char* current_call = nullptr;
216 356 int current_line_no = -1;
217
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 103162 for (int i = 0; i < callstack.count; ++i)
218 {
219
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 102458 switch (callstack[i].type)
220 {
221 25695 case callstack_entry_type::FILE:
222
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 25695 if (current_file != nullptr)
223 {
224 24992 push_stack_line(out, current_file, current_block, current_call, current_line_no, indentation, add_lines);
225 }
226 10275 current_file = callstack[i].content;
227 10275 current_block = nullptr;
228 10275 current_call = nullptr;
229 10275 current_line_no = -1;
230 25695 break;
231 134 case callstack_entry_type::MACRO_CALL:
232 71 current_block = nullptr;
233 71 current_call = callstack[i].content;
234 134 break;
235 10257 case callstack_entry_type::LINE:
236 25659 current_line_no = callstack[i].lineno;
237 10257 current_block = callstack[i].content;
238 25659 break;
239 20340 case callstack_entry_type::BLOCK:
240 20340 current_block = callstack[i].content;
241 50970 break;
242 }
243 }
244 704 }
245
246 234 string get_full_callstack()
247 {
248 118 autoarray<printable_callstack_entry> printable_stack;
249
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 234 get_full_printable_callstack(&printable_stack, 12, true);
250
251 118 string e;
252
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 234 if (printable_stack.count > 0)
253 {
254
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 52 e += "\nFull call stack:";
255
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 8384 for (int i = printable_stack.count-1; i >= 0; --i)
256 {
257
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 8332 e += format_stack_line(printable_stack[i], i);
258 }
259 }
260 352 return e;
261 234 }
262
263 // RPG Hacker: This function essetially replicates classic Asar behavior
264 // of only printing a single macro call below the current level.
265 468 string get_simple_callstack()
266 {
267 int i;
268 236 const char* current_call = nullptr;
269
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 68320 for (i = callstack.count-1; i >= 0 ; --i)
270 {
271
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 67936 if (callstack[i].type == callstack_entry_type::MACRO_CALL)
272 {
273 42 current_call = callstack[i].content;
274 84 break;
275 }
276 }
277
278 236 const char* current_file = nullptr;
279 236 int current_line_no = -1;
280
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 468 if (current_call != nullptr)
281 {
282 42 bool stop = false;
283
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 336 for (int j = i-1; j >= 0 ; --j)
284 {
285
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 336 switch (callstack[j].type)
286 {
287 84 case callstack_entry_type::FILE:
288
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 84 if (current_file != nullptr)
289 {
290 ✗ stop = true;
291 ✗ break;
292 }
293 42 current_file = callstack[j].content;
294 84 break;
295 ✗ case callstack_entry_type::MACRO_CALL:
296 ✗ stop = true;
297 ✗ break;
298 84 case callstack_entry_type::LINE:
299
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 126 if (current_line_no == -1) current_line_no = callstack[j].lineno;
300 42 break;
301 84 case callstack_entry_type::BLOCK:
302 84 break;
303 }
304
305
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 336 if (current_file != nullptr && current_line_no != -1) stop = true;
306
307
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 294 if (stop) break;
308 }
309 }
310
311 236 string e;
312
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 468 if (current_call != nullptr && current_file != nullptr)
313 {
314
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 210 e += STR "\n called from: " + generate_filename_and_line(get_pretty_filename(current_file), current_line_no)
315
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 168 + ": [%" + current_call + "]";
316 }
317 468 return e;
318 }
319
320 702 string get_callstack()
321 {
322
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 702 if (simple_callstacks)
323 468 return get_simple_callstack();
324 else
325 234 return get_full_callstack();
326 }
327
328
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 99 asar_error_id vfile_error_to_error_id(virtual_file_error vfile_error)
329 {
330
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 54 switch (vfile_error)
331 {
332 18 case vfe_doesnt_exist:
333 18 return error_id_file_not_found;
334 ✗ case vfe_access_denied:
335 ✗ return error_id_failed_to_open_file_access_denied;
336 36 case vfe_not_regular_file:
337 36 return error_id_failed_to_open_not_regular_file;
338 ✗ case vfe_unknown:
339 case vfe_none:
340 case vfe_num_errors:
341 ✗ return error_id_failed_to_open_file;
342 }
343
344 ✗ return error_id_failed_to_open_file;
345 }
346
347 99 virtual_file_error asar_get_last_io_error()
348 {
349
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 99 if (filesystem != nullptr)
350 {
351 99 return filesystem->get_last_error();
352 }
353
354 ✗ return vfe_unknown;
355 }
356
357 static bool freespaced;
358 2278 static int getlenforlabel(snes_label thislabel, bool exists)
359 {
360 2278 unsigned int bank = thislabel.pos>>16;
361 2278 unsigned int word = thislabel.pos&0xFFFF;
362 1141 bool lblfreespace = thislabel.freespace_id > 0;
363 unsigned int relaxed_bank;
364
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 2278 if(optimizeforbank >= 0) {
365 54 relaxed_bank = optimizeforbank;
366 } else {
367
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 2224 if(freespaceid == 0) {
368 1792 relaxed_bank = snespos >> 16;
369 } else {
370 432 int target_bank = freespaces[freespaceid].bank;
371
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 432 if(target_bank == -2) relaxed_bank = 0;
372
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 144 else if(target_bank == -1) relaxed_bank = 0x40;
373 ✗ else relaxed_bank = target_bank;
374 }
375 }
376
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 2278 if (!exists)
377 {
378 210 return 2;
379 }
380
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 1858 else if((optimize_dp == optimize_dp_flag::RAM) && bank == 0x7E && (word-dp_base < 0x100) && !lblfreespace)
381 {
382 9 return 1;
383 }
384
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 1840 else if(optimize_dp == optimize_dp_flag::ALWAYS && (bank == 0x7E || !(bank & 0x40)) && (word-dp_base < 0x100) && !lblfreespace)
385 {
386 31 return 1;
387 }
388 1782 else if (
389 // if we should optimize ram accesses...
390
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 1782 (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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 1512 && !(relaxed_bank & 0x40)
393 // and the label is in low RAM
394
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 1416 && bank == 0x7E && word < 0x2000 && !lblfreespace)
395 {
396 27 return 2;
397 }
398
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 1728 else if (
399 // if we should optimize mirrors...
400
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 864 optimize_address == optimize_address_flag::MIRRORS
401 // we're in a bank with ram mirrors...
402
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 1386 && !(relaxed_bank & 0x40)
403 // and the label is in a mirrored section
404
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 1308 && !(bank & 0x40) && word < 0x8000 && !lblfreespace)
405 {
406 36 return 2;
407 }
408
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 1656 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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 54 if (thislabel.freespace_id > 0) return 3;
413
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 54 else if (bank==(unsigned int)optimizeforbank) return 2;
414 36 else return 3;
415 }
416
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 1602 else if (thislabel.freespace_id > 0 || 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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 624 if (thislabel.freespace_id != freespaceid) return 3;
421 96 else return 2;
422 }
423
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 978 else if ((int)bank != snespos >> 16){ return 3; }
424 900 else { return 2;}
425 }
426
427
428 609 bool is_hex_constant(const char* str){
429
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 609 if (*str=='$')
430 {
431 522 str++;
432
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 2034 while(is_xdigit(*str)) {
433 1512 str++;
434 }
435
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 522 if(*str=='\0'){
436 261 return true;
437 }
438 }
439 45 return false;
440 }
441
442 9198 int getlen(const char * orgstr, bool optimizebankextraction)
443 {
444 9198 const char * str=orgstr;
445 9198 freespaced=false;
446
447 9198 const char* posneglabel = str;
448
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 9198 string posnegname = posneglabelname(&posneglabel, false);
449
450
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 9198 if (posnegname.length() > 0)
451 {
452
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 6 if (*posneglabel != '\0') goto notposneglabel;
453
454
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 10 if (!pass) return 2;
455 4 snes_label label_data;
456 // RPG Hacker: Umm... what kind of magic constant is this?
457
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 4 label_data.pos = 31415926;
458
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 4 bool found = labelval(posnegname, &label_data);
459
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 4 return getlenforlabel(label_data, found);
460 }
461 9192 notposneglabel:
462 4599 int len=0;
463
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 18804 while (*str)
464 {
465 4809 int thislen=0;
466 9612 bool maybebankextraction=(str==orgstr);
467
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 9612 if (*str=='$')
468 {
469 7005 str++;
470 int i;
471
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 26025 for (i=0;is_xdigit(str[i]);i++);
472 //if (i&1) warn(S dec(i)+"-digit hex value");//blocked in getnum instead
473 7005 thislen=(i+1)/2;
474 7005 str+=i;
475 }
476
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 2607 else if (*str=='%')
477 {
478 ✗ str++;
479 int i;
480 ✗ for (i=0;str[i]=='0' || str[i]=='1';i++);
481 //if (i&7) warn(S dec(i)+"-digit binary value");
482 ✗ thislen=(i+7)/8;
483 ✗ str+=i;
484 }
485
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 2607 else if (str[0]=='\'' && str[2]=='\'')
486 {
487 ✗ thislen=1;
488 ✗ str+=3;
489 }
490
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 2607 else if (is_digit(*str))
491 {
492 33 int val=strtol(str, const_cast<char**>(&str), 10);
493
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 33 if (val>=0) thislen=1;
494
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 33 if (val>=256) thislen=2;
495
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 18 if (val>=65536) thislen=3;
496 }
497
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 2574 else if (is_ualpha(*str) || *str=='.' || *str=='?')
498 {
499 1137 snes_label thislabel;
500
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 2274 bool exists=labelval(&str, &thislabel);
501
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 2274 thislen=getlenforlabel(thislabel, exists);
502 }
503 300 else str++;
504
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 9612 if (optimizebankextraction && maybebankextraction &&
505
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 1149 (!strcmp(str, ">>16") || !strcmp(str, "/65536") || !strcmp(str, "/$10000")))
506 ✗ return 1;
507
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 4809 if (thislen>len) len=thislen;
508 }
509 4599 return len;
510 9198 }
511
512 struct strcompare {
513 bool operator() (const char * lhs, const char * rhs) const
514 {
515 return strcmp(lhs, rhs)<0;
516 }
517 };
518
519 struct stricompare {
520 bool operator() (const char * lhs, const char * rhs) const
521 {
522 return stricmp(lhs, rhs)<0;
523 }
524 };
525
526 struct sourcefile {
527 char *data;
528 char** contents;
529 int numlines;
530 };
531
532 static assocarr<sourcefile> filecontents;
533 assocarr<string> defines;
534 // needs to be separate because defines is reset between parsing arguments and patching
535 assocarr<string> clidefines;
536 assocarr<string> builtindefines;
537
538 5305 bool validatedefinename(const char * name)
539 {
540
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 5305 if (!name[0]) return false;
541
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 60591 for (int i = 0;name[i];i++)
542 {
543
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 55286 if (!is_ualnum(name[i])) return false;
544 }
545
546 2661 return true;
547 }
548
549 191428 void resolvedefines(string& out, const char * start)
550 {
551
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 93308 recurseblock rec;
552 93305 const char * here=start;
553
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 191422 if (!strchr(here, '!'))
554 {
555
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 160112 out += here;
556 77626 return;
557 }
558
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 245250 while (*here)
559 {
560
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 214031 if (here[0] == '\\' && here[1] == '\\')
561 {
562 // allow using \\ as escape sequence
563
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 18 if (in_macro_def > 0) out += "\\";
564
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 18 out += "\\";
565 18 here += 2;
566 }
567
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 214013 else if (here[0] == '\\' && here[1] == '!')
568 {
569 // allow using \! to escape !
570
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 126 if (in_macro_def > 0) out += "\\";
571
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 126 out+="!";
572 126 here += 2;
573 }
574
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 213887 else if (*here=='!')
575 {
576
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 33608 bool first=(here==start || (here>=start+4 && here[-1]==' ' && here[-2]==':' && here[-3]==' '));//check if it's the start of a block
577 16834 string defname;
578 33608 here++;
579
580 16834 int depth = 0;
581
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 33950 for (const char* depth_str = here; *depth_str=='^'; depth_str++)
582 {
583 342 depth++;
584 }
585 33608 here += depth;
586
587
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 33608 if (depth != in_macro_def)
588 {
589
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 3963 out += '!';
590
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 4161 for (int i=0; i < depth; ++i) out += '^';
591
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 3963 if (depth > in_macro_def) asar_throw_error(0, error_type_line, error_id_invalid_depth_resolve, "define", "define", depth, in_macro_def);
592 1956 continue;
593 3909 }
594
595
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 29645 if (*here=='{')
596 {
597 324 here++;
598 162 string unprocessedname;
599 162 int braces=1;
600 while (true)
601 {
602
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 3456 if (*here=='{') braces++;
603
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 3456 if (*here=='}') braces--;
604
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 3456 if (!*here) asar_throw_error(0, error_type_line, error_id_mismatched_braces);
605
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 3456 if (!braces) break;
606
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 3132 unprocessedname+=*here++;
607 }
608
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 324 here++;
609
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 324 resolvedefines(defname, unprocessedname);
610
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 324 if (!validatedefinename(defname)) asar_throw_error(0, error_type_line, error_id_invalid_define_name);
611 324 }
612 else
613 {
614
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 179266 while (is_ualnum(*here)) defname+=*here++;
615 }
616
617
2/2
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 29645 if (first)
618 {
619 enum {
620 null,
621 append,
622 expand,
623 domath,
624 setifnotset,
625 } mode;
626 if(0);
627
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 15803 else if (stribegin(here, " = ")) { here+=3; mode=null; }
628
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 14243 else if (stribegin(here, " += ")) { here+=4; mode=append; }
629
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 13937 else if (stribegin(here, " := ")) { here+=4; mode=expand; }
630
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 13772 else if (stribegin(here, " #= ")) { here+=4; mode=domath; }
631
2/2
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 7994 else if (stribegin(here, " ?= ")) { here+=4; mode=setifnotset; }
632 7982 else goto notdefineset;
633 3918 string val;
634
2/2
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 7821 if (*here=='"')
635 {
636 561 here++;
637 while (true)
638 {
639
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 3063 if (*here=='"')
640 {
641
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 579 if (!here[1] || here[1]==' ') break;
642
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 18 else if (here[1]=='"') here++;
643 ✗ else asar_throw_error(0, error_type_line, error_id_broken_define_declaration);
644 }
645
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 2502 val+=*here++;
646 }
647 561 here++;
648 }
649 else
650 {
651
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 57177 while (*here && *here!=' ') val+=*here++;
652 }
653 //if (strqchr(val.data(), ';')) *strqchr(val.data(), ';')=0;
654
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 7821 if (*here && !stribegin(here, " : ")) asar_throw_error(0, error_type_line, error_id_broken_define_declaration);
655 // RPG Hacker: Is it really a good idea to normalize
656 // the content of defines? That kinda violates their
657 // functionality as a string replacement mechanism.
658 //val.qnormalize();
659
660 // RPG Hacker: throw an error if we're trying to overwrite built-in defines.
661
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 7821 if (builtindefines.exists(defname))
662 {
663 18 asar_throw_error(0, error_type_line, error_id_overriding_builtin_define, defname.data());
664 }
665
666
5/6
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 7803 switch (mode)
667 {
668 777 case null:
669 {
670
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 1542 defines.create(defname) = val;
671 777 break;
672 }
673 153 case append:
674 {
675
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 306 if (!defines.exists(defname)) asar_throw_error(0, error_type_line, error_id_define_not_found, defname.data());
676
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 306 string oldval = defines.find(defname);
677
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 306 val=oldval+val;
678
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 306 defines.create(defname) = val;
679 153 break;
680 306 }
681 84 case expand:
682 {
683 84 string newval;
684
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 165 resolvedefines(newval, val);
685
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 165 defines.create(defname) = newval;
686 84 break;
687 165 }
688 2889 case domath:
689 {
690 2889 string newval;
691
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 5778 resolvedefines(newval, val);
692
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 5778 double num= getnumdouble(newval);
693
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 5778 if (foundlabel && !foundlabel_static) asar_throw_error(0, error_type_line, error_id_define_label_math);
694
2/4
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 5760 defines.create(defname) = ftostr(num);
695 2880 break;
696 5778 }
697 6 case setifnotset:
698 {
699
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 12 if (!defines.exists(defname)) defines.create(defname) = val;
700 6 break;
701 }
702 }
703 7821 }
704 else
705 {
706
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 17830 notdefineset:
707
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 21824 if (!defname) out+="!";
708 else
709 {
710
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 21689 if (!defines.exists(defname)) asar_throw_error(0, error_type_line, error_id_define_not_found, defname.data());
711 else {
712
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 21688 string thisone = defines.find(defname);
713
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 21688 resolvedefines(out, thisone);
714 21688 }
715 }
716 }
717
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 33608 }
718
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 180279 else out+=*here++;
719 }
720
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 31219 if (!confirmquotes(out)) { asar_throw_error(0, error_type_null, error_id_mismatched_quotes); out = ""; }
721
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 191422 }
722
723 bool moreonline;
724 bool asarverallowed = false;
725
726 159021 void assembleline(const char * fname, int linenum, const char * line, int& single_line_for_tracker)
727 {
728
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 77070 recurseblock rec;
729
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 159021 bool moreonlinetmp=moreonline;
730 // randomdude999: redundant, assemblefile already converted the path to absolute
731 //string absolutepath = filesystem->create_absolute_path("", fname);
732
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 77070 string absolutepath = fname;
733
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 159021 single_line_for_tracker = 1;
734 try
735 {
736
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 77070 string out=line;
737
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 159021 autoptr<char**> blocks=qsplitstr(out.temp_raw(), " : ");
738 159021 moreonline=true;
739
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 298653 for (int block=0;moreonline;block++)
740 {
741 164490 moreonline=(blocks[block+1] != nullptr);
742 try
743 {
744 // it's possible that our input looks something like:
745 // nop : : nop
746 // nop : : : : : nop
747 // also, it's possible that there were empty blocks at the start or end of the line:
748 // : nop :
749 // after qsplit, we still need to deal with possibly a single ": " from a preceding empty block,
750 // and if it's the last block, possibly a following " :".
751
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 164490 string stripped_block = strip_whitespace(blocks[block]);
752 79839 int i = 0;
753 // if the block starts with ": "
754
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 164490 if(stripped_block[i] == ':' && stripped_block[i+1] == ' ') {
755 36 i++;
756
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 144 while(stripped_block[i] == ' ') i++;
757 }
758 // if the block is a single :, skip that too.
759
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 164490 if(stripped_block[i] == ':' && stripped_block[i+1] == 0) i++;
760
761 // last block - strip trailing " :" if present.
762
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 164490 if(!moreonline && stripped_block.length() >= 2 && stripped_block[stripped_block.length()-2] == ' ' && stripped_block[stripped_block.length()-1] == ':') {
763
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 36 stripped_block.truncate(stripped_block.length()-2);
764 }
765
766
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 164490 callstack_push cs_push(callstack_entry_type::BLOCK, stripped_block.data() + i);
767
768
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 164490 assembleblock(stripped_block.data() + i, single_line_for_tracker);
769
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 138834 checkbankcross();
770 190158 }
771
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 25668 catch (errblock&) {}
772
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 139632 if (blocks[block][0]!='\0') asarverallowed=false;
773
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 139632 if(single_line_for_tracker == 1) single_line_for_tracker = 0;
774 }
775 183879 }
776
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 24858 catch (errline&) {}
777 134163 moreonline=moreonlinetmp;
778 183879 }
779
780 int incsrcdepth=0;
781
782 // Returns true if a file is protected via
783 // an "includeonce".
784 27654 bool file_included_once(const char* file)
785 {
786
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 28248 for (int i = 0; i < includeonce.count; ++i)
787 {
788
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 720 if (includeonce[i] == file)
789 {
790 63 return true;
791 }
792 }
793
794 11241 return false;
795 }
796
797 autoarray<string> macro_defs;
798 int in_macro_def=0;
799
800 27564 void assemblefile(const char * filename)
801 {
802 27564 incsrcdepth++;
803
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 27564 string absolutepath = filesystem->create_absolute_path(get_current_file_name(), filename);
804
805
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 27564 if (file_included_once(absolutepath))
806 {
807 63 return;
808 }
809
810
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 11196 callstack_push cs_push(callstack_entry_type::FILE, absolutepath);
811
812 sourcefile file;
813 27438 file.contents = nullptr;
814 27438 file.numlines = 0;
815
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 27438 int startif=numif;
816
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 27438 if (!filecontents.exists(absolutepath))
817 {
818
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 910 char * temp = readfile(absolutepath, "");
819
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 904 if (!temp)
820 {
821
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 18 asar_throw_error(0, error_type_null, vfile_error_to_error_id(asar_get_last_io_error()), filename);
822
823 9 return;
824 }
825
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 886 sourcefile& newfile = filecontents.create(absolutepath);
826
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 886 newfile.contents =split(temp, '\n');
827 886 newfile.data = temp;
828
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 35663 for (int i=0;newfile.contents[i];i++)
829 {
830 34777 newfile.numlines++;
831 17436 char * line = newfile.contents[i];
832 17436 int i_temp = i;
833 char * comment;
834
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 43999 while((comment = strqchr(line, ';'))) {
835
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 9228 if(comment[1] == '[' && comment[2] == '[') {
836 // block comment - find where it ends
837 36 char* theline = comment + 3;
838 36 char* comment_end = strstr(theline, "]]");
839
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 90 while(comment_end == nullptr) {
840 60 i_temp++;
841 60 char* new_line = newfile.contents[i_temp];
842
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 60 if(new_line == nullptr) {
843
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 3 callstack_push cs_push(callstack_entry_type::LINE, line, i);
844
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 6 asar_throw_error(0, error_type_null, error_id_unclosed_block_comment);
845 // make sure this line is still parsed correctly
846 6 *comment = 0;
847 // but don't go looking at any other lines
848 6 goto break_outer;
849 6 }
850 54 comment_end = strstr(new_line, "]]");
851 // this line is itself part of the comment, so ignore it
852 //new_line[0] = 0;
853 // except not like that^, because that will break the
854 // memmove below
855 static char junk[]="";
856 // using a static here should be fine, since if the line
857 // doesn't contain ',' or '\' we won't go mutating it
858 54 newfile.contents[i_temp] = junk;
859 }
860 // comment_end+2 is a valid pointer, since comment_end is
861 // guaranteed to start with ]]
862 30 comment_end += 2;
863 // stitch together the part of the line before the comment,
864 // and the part of the line after it
865 30 memmove(comment, comment_end, strlen(comment_end) + 1);
866 // and then recheck for ; in the line again...
867 30 } else {
868 9192 *comment = 0;
869 }
870 }
871 34771 break_outer:
872
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 34777 if (!confirmquotes(line)) {
873
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 6 callstack_push cs_push(callstack_entry_type::LINE, line, i);
874
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 12 asar_throw_error(0, error_type_null, error_id_mismatched_quotes);
875 12 line[0] = '\0';
876 12 }
877 34777 newfile.contents[i] = strip_whitespace(line);
878 }
879
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 35663 for(int i=0;newfile.contents[i];i++)
880 {
881 17436 char* line = newfile.contents[i];
882
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 34777 if(!*line) continue;
883
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 21647 for (int j=1;line[strlen(line) - 1] == ',' && newfile.contents[i+j];j++)
884 {
885 // not using strcat because the source and dest overlap here
886 15 char* otherline = newfile.contents[i+j];
887 30 char* line_end = line + strlen(line);
888
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 414 while(*otherline) *line_end++ = *otherline++;
889 30 *line_end = '\0';
890 static char nullstr[]="";
891 30 newfile.contents[i+j]=nullstr;
892 }
893 }
894 886 file = newfile;
895 } else { // filecontents.exists(absolutepath)
896
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 26528 file = filecontents.find(absolutepath);
897 }
898 27414 asarverallowed=true;
899
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 150807 for (int i=0;file.contents[i] && i<file.numlines;i++)
900 {
901 71691 string connectedline;
902
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 148257 int skiplines = getconnectedlines<char**>(file.contents, i, connectedline);
903
904
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 148257 bool was_loop_end = do_line_logic(connectedline, absolutepath, i);
905 123393 i += skiplines;
906
907 // if a loop ended on this line, should it run again?
908
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 123393 if (was_loop_end && whilestatus[numif].cond)
909
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 3996 i = whilestatus[numif].startline - 1;
910 148257 }
911
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 2586 while (in_macro_def > 0)
912 {
913
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 36 asar_throw_error(0, error_type_null, error_id_unclosed_macro, macro_defs[in_macro_def-1].data());
914
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 36 if (!pass && in_macro_def == 1) endmacro(false);
915 36 in_macro_def--;
916 36 macro_defs.remove(in_macro_def);
917 }
918
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 2550 if (numif!=startif)
919 {
920 ✗ numif=startif;
921 ✗ numtrue=startif;
922 ✗ asar_throw_error(0, error_type_null, error_id_unclosed_if);
923 }
924 2550 incsrcdepth--;
925
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 52443 }
926
927 // RPG Hacker: At some point, this should probably be merged
928 // into assembleline(), since the two names just cause
929 // confusion otherwise.
930 // return value is "did a loop end on this line"
931 169341 bool do_line_logic(const char* line, const char* filename, int lineno)
932 {
933 169341 int prevnumif = numif;
934
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 169341 int single_line_for_tracker = 1;
935 try
936 {
937 82239 string current_line;
938
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 169341 if (numif==numtrue || (numtrue+1==numif && stribegin(line, "elseif ")))
939 {
940
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 77442 callstack_push cs_push(callstack_entry_type::LINE, line, lineno);
941
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 159747 string tmp=replace_macro_args(line);
942
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 159441 tmp.qnormalize();
943
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 159441 resolvedefines(current_line, tmp);
944
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 159345 if (!confirmquotes(current_line)) asar_throw_error(0, error_type_line, error_id_mismatched_quotes);
945 159843 }
946
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 4797 else current_line=line;
947
948
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 82038 callstack_push cs_push(callstack_entry_type::LINE, current_line, lineno);
949
950
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 168939 if (stribegin(current_line, "macro ") && numif==numtrue)
951 {
952 // RPG Hacker: Slight redundancy here with code that is
953 // also in startmacro(). Could improve this for Asar 2.0.
954
1/2
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 1554 string macro_name = current_line.data()+6;
955 1554 char * startpar=strqchr(macro_name.data(), '(');
956
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 1554 if (startpar) *startpar=0;
957
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 1554 macro_defs.append(macro_name);
958
959 // RPG Hacker: I think it would make more logical sense
960 // to have this ++ after the if, but hat breaks compatibility
961 // with at least one test, and it generally leads to more
962 // errors being output after a broken macro declaration.
963 1554 in_macro_def++;
964
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 1554 if (!pass)
965 {
966
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 518 if (in_macro_def == 1) startmacro(current_line.data()+6);
967
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 96 else tomacro(current_line);
968 }
969 1554 }
970
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 167385 else if (!stricmp(current_line, "endmacro") && numif==numtrue)
971 {
972
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 1518 if (in_macro_def == 0) asar_throw_error(0, error_type_line, error_id_misplaced_endmacro);
973 else
974 {
975 1518 in_macro_def--;
976 1518 macro_defs.remove(in_macro_def);
977
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 1518 if (!pass)
978 {
979
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 506 if (in_macro_def == 0) endmacro(true);
980
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 90 else tomacro(current_line);
981 }
982 }
983 }
984
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 165867 else if (in_macro_def > 0)
985 {
986
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 6846 if (!pass) tomacro(current_line);
987 }
988 else
989 {
990
2/2
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 159021 assembleline(filename, lineno, current_line, single_line_for_tracker);
991 }
992 194205 }
993
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 25266 catch (errline&) {}
994
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 127869 return (numif != prevnumif || single_line_for_tracker == 3)
995
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 289044 && (whilestatus[numif].iswhile || whilestatus[numif].is_for);
996 }
997
998
999 499 void parse_std_includes(const char* textfile, autoarray<string>& outarray)
1000 {
1001 499 char* content = readfilenative(textfile);
1002
1003
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 499 if (content != nullptr)
1004 {
1005 251 char* pos = content;
1006
1007
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 1499 while (pos[0] != '\0')
1008 {
1009 504 string stdinclude;
1010
1011 do
1012 {
1013
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 24700 if (pos[0] != '\r' && pos[0] != '\n')
1014 {
1015
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 24199 stdinclude += pos[0];
1016 }
1017 24700 pos++;
1018
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 24700 } while (pos[0] != '\0' && pos[0] != '\n');
1019
1020
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 1000 strip_whitespace(stdinclude);
1021
1022
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 1000 if (stdinclude != "")
1023 {
1024
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 501 if (!path_is_absolute(stdinclude))
1025 {
1026
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 1 stdinclude = dir(textfile) + stdinclude;
1027 }
1028
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 501 outarray.append(normalize_path(stdinclude));
1029 }
1030 1000 }
1031
1032 499 free(content);
1033 }
1034 499 }
1035
1036 769 void parse_std_defines(const char* textfile)
1037 {
1038
1039 // RPG Hacker: add built-in defines.
1040 // (They're not really standard defines, but I was lazy and this was
1041 // one convenient place for doing it).
1042 769 builtindefines.create("assembler") = "asar";
1043
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 769 builtindefines.create("assembler_ver") = dec(get_version_int());
1044
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 769 builtindefines.create("assembler_time") = dec(time(nullptr));
1045
1046
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 769 if(textfile == nullptr) return;
1047
1048 499 char* content = readfilenative(textfile);
1049
1050
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 499 if (content != nullptr)
1051 {
1052 251 char* pos = content;
1053
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 3492 while (*pos != 0) {
1054 1505 string define_name;
1055 1505 string define_val;
1056
1057
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 31901 while (*pos != '=' && *pos != '\n') {
1058
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 28908 if(*pos == '\r') { pos++; continue; }
1059
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 28908 define_name += *pos;
1060 28908 pos++;
1061 }
1062
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 2993 if (*pos != 0 && *pos != '\r' && *pos != '\n') pos++; // skip =
1063
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 13464 while (*pos != 0 && *pos != '\n') {
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 10471 if(*pos == '\r') { pos++; continue; }
1065
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 10471 define_val += *pos;
1066 10471 pos++;
1067 }
1068
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 2993 if (*pos != 0)
1069 2993 pos++; // skip \n
1070 // clean define_name
1071
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 2993 strip_whitespace(define_name);
1072
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 2993 define_name.strip_prefix('!'); // remove leading ! if present
1073
1074
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 2993 if (define_name == "")
1075 {
1076
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 499 if (define_val == "")
1077 {
1078 499 continue;
1079 }
1080
1081 ✗ asar_throw_error(pass, error_type_null, error_id_stddefines_no_identifier);
1082 }
1083
1084
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 2494 if (!validatedefinename(define_name)) asar_throw_error(pass, error_type_null, error_id_cmdl_define_invalid, "stddefines.txt", define_name.data());
1085
1086 // clean define_val
1087 1254 const char* defval = define_val.data();
1088 1254 string cleaned_defval;
1089
1090
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 2494 if (*defval == 0) {
1091 // no value
1092
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 500 if (clidefines.exists(define_name)) asar_throw_error(pass, error_type_null, error_id_cmdl_define_override, "Std define", define_name.data());
1093
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 500 clidefines.create(define_name) = "";
1094 500 continue;
1095 }
1096
1097
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 2992 while (*defval == ' ' || *defval == '\t') defval++; // skip whitespace in beginning
1098
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 1994 if (*defval == '"') {
1099 499 defval++; // skip opening quote
1100
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 6978 while (*defval != '"' && *defval != 0)
1101
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 6479 cleaned_defval += *defval++;
1102
1103
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 499 if (*defval == 0) {
1104 ✗ asar_throw_error(pass, error_type_null, error_id_mismatched_quotes);
1105 }
1106 499 defval++; // skip closing quote
1107
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 499 while (*defval == ' ' || *defval == '\t') defval++; // skip whitespace
1108
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 499 if (*defval != 0 && *defval != '\n')
1109 ✗ asar_throw_error(pass, error_type_null, error_id_stddefine_after_closing_quote);
1110
1111
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 499 if (clidefines.exists(define_name)) asar_throw_error(pass, error_type_null, error_id_cmdl_define_override, "Std define", define_name.data());
1112
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 499 clidefines.create(define_name) = cleaned_defval;
1113 499 continue;
1114 }
1115 else
1116 {
1117 // slightly hacky way to remove trailing whitespace
1118 1495 const char* defval_end = strchr(defval, '\n'); // slightly hacky way to get end of string or newline
1119
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 1495 if (!defval_end) defval_end = strchr(defval, 0);
1120 1495 defval_end--;
1121
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 1996 while (*defval_end == ' ' || *defval_end == '\t') defval_end--;
1122
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 1495 cleaned_defval = string(defval, (int)(defval_end - defval + 1));
1123
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 1495 if (clidefines.exists(define_name)) asar_throw_error(pass, error_type_null, error_id_cmdl_define_override, "Std define", define_name.data());
1125
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 1495 clidefines.create(define_name) = cleaned_defval;
1126 1495 continue;
1127 1495 }
1128
1129 2993 }
1130 499 free(content);
1131 }
1132 }
1133
1134 bool checksum_fix_enabled = true;
1135 bool force_checksum_fix = false;
1136
1137 #define cfree(x) free((void*)x)
1138 414 static void clearmacro(const string & key, macrodata* & macro)
1139 {
1140 (void)key;
1141 414 freemacro(macro);
1142 414 }
1143
1144 885 static void clearfile(const string & key, sourcefile& filecontent)
1145 {
1146 (void)key;
1147 885 cfree(filecontent.data);
1148 885 cfree(filecontent.contents);
1149 885 }
1150 #undef cfree
1151
1152 4794 static void adddefine(const string & key, string & value)
1153 {
1154
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 4794 if (!defines.exists(key)) defines.create(key) = value;
1155 4794 }
1156
1157
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 182 string create_symbols_file(string format, uint32_t romCrc){
1158 92 string symbolfile;
1159
1160 92 std::vector<std::pair<unsigned int, const char*>> all_labels;
1161
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 364 labels.each([&all_labels](const string& key, snes_label& label) {
1162
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 368 all_labels.push_back(std::make_pair(label.pos, key.data()));
1163 368 });
1164
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 182 std::sort(all_labels.begin(), all_labels.end(),
1165 876 [](auto& l, auto& r) {
1166
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 876 if (l.first == r.first)
1167 84 return strcmp(l.second, r.second) < 0;
1168 792 return l.first < r.first;
1169 });
1170
1171
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 182 format = lower(format);
1172
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 182 if(format == "wla")
1173 {
1174
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 92 symbolfile = "; wla symbolic information file\n";
1175
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 182 symbolfile += "; generated by asar\n";
1176
1177
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 182 symbolfile += "\n[labels]\n";
1178
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 550 for (auto& p : all_labels) {
1179 char buffer[10];
1180
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 368 std::snprintf(buffer, sizeof(buffer), "%02X:%04X ", (p.first >> 16) & 0xFF, p.first & 0xFFFF);
1181
1182
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 368 symbolfile += buffer;
1183
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 368 symbolfile += p.second;
1184
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 368 symbolfile += "\n";
1185 }
1186
1187
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 182 symbolfile += "\n[source files]\n";
1188 92 const autoarray<AddressToLineMapping::FileInfo>& addrToLineFileList = addressToLineMapping.getFileList();
1189
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 372 for (int i = 0; i < addrToLineFileList.count; ++i)
1190 {
1191 char addrToFileListStr[256];
1192 286 snprintf(addrToFileListStr, 256, "%.4x %.8x %s\n",
1193 i,
1194
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 190 addrToLineFileList[i].fileCrc,
1195
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 96 addrToLineFileList[i].filename.data()
1196 );
1197
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 190 symbolfile += addrToFileListStr;
1198 }
1199
1200
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 182 symbolfile += "\n[rom checksum]\n";
1201 {
1202 char romCrcStr[32];
1203
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 182 snprintf(romCrcStr, 32, "%.8x\n",
1204 romCrc
1205 );
1206
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 182 symbolfile += romCrcStr;
1207 }
1208
1209
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 182 symbolfile += "\n[addr-to-line mapping]\n";
1210 92 const autoarray<AddressToLineMapping::AddrToLineInfo>& addrToLineInfo = addressToLineMapping.getAddrToLineInfo();
1211
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 5614 for (int i = 0; i < addrToLineInfo.count; ++i)
1212 {
1213 char addrToLineStr[32];
1214 13589 snprintf(addrToLineStr, 32, "%.2x:%.4x %.4x:%.8x\n",
1215 8151 (addrToLineInfo[i].addr & 0xFF0000) >> 16,
1216
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 5432 addrToLineInfo[i].addr & 0xFFFF,
1217
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 5432 addrToLineInfo[i].fileIdx & 0xFFFF,
1218
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 5432 addrToLineInfo[i].line & 0xFFFFFFFF
1219 );
1220
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 5432 symbolfile += addrToLineStr;
1221 }
1222
1223 }
1224 ✗ else if (format == "nocash")
1225 {
1226 ✗ symbolfile = ";no$sns symbolic information file\n";
1227 ✗ symbolfile += ";generated by asar\n";
1228 ✗ symbolfile += "\n";
1229 ✗ for (auto& p : all_labels) {
1230 char buffer[10];
1231 ✗ std::snprintf(buffer, sizeof(buffer), "%08X ", p.first & 0xFFFFFF);
1232
1233 ✗ symbolfile += buffer;
1234 ✗ symbolfile += p.second;
1235 ✗ symbolfile += "\n";
1236 }
1237 }
1238 274 return symbolfile;
1239 92 }
1240
1241
1242 6 bool in_top_level_file()
1243 {
1244 3 int num_files = 0;
1245
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 30 for (int i = callstack.count-1; i >= 0; --i)
1246 {
1247
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 24 if (callstack[i].type == callstack_entry_type::FILE)
1248 {
1249 6 num_files++;
1250
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 6 if (num_files > 1) break;
1251 }
1252 }
1253 6 return (num_files <= 1);
1254 }
1255
1256 45224 const char* get_current_file_name()
1257 {
1258
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 173004 for (int i = callstack.count-1; i >= 0; --i)
1259 {
1260
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 170756 if (callstack[i].type == callstack_entry_type::FILE)
1261 42976 return callstack[i].content.raw();
1262 }
1263 1171 return nullptr;
1264 }
1265
1266 26750 int get_current_line()
1267 {
1268
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 79156 for (int i = callstack.count-1; i >= 0; --i)
1269 {
1270
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 92480 if (callstack[i].type == callstack_entry_type::LINE) return callstack[i].lineno;
1271 }
1272 11 return -1;
1273 }
1274
1275 702 const char* get_current_block()
1276 {
1277
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 738 for (int i = callstack.count-1; i >= 0; --i)
1278 {
1279
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 1307 if (callstack[i].type == callstack_entry_type::LINE || callstack[i].type == callstack_entry_type::BLOCK) return callstack[i].content.raw();
1280 }
1281 16 return nullptr;
1282 }
1283
1284
1285 774 void reseteverything()
1286 {
1287 403 string str;
1288 403 labels.reset();
1289 403 defines.reset();
1290
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 774 builtindefines.each(adddefine);
1291
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 774 clidefines.each(adddefine);
1292 403 structs.reset();
1293
1294
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 774 macros.each(clearmacro);
1295 403 macros.reset();
1296
1297
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 774 filecontents.each(clearfile);
1298 403 filecontents.reset();
1299
1300 774 writtenblocks.reset();
1301
1302 774 optimizeforbank=-1;
1303 774 optimize_dp = optimize_dp_flag::ALWAYS;
1304 774 dp_base = 0;
1305 774 optimize_address = optimize_address_flag::MIRRORS;
1306
1307
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 774 closecachedfiles();
1308
1309 774 incsrcdepth=0;
1310 774 label_counter = 0;
1311 774 errored = false;
1312 774 checksum_fix_enabled = true;
1313 774 force_checksum_fix = false;
1314
1315 774 in_macro_def = 0;
1316
1317 #ifndef ASAR_SHARED
1318 250 free(const_cast<unsigned char*>(romdata_r));
1319 #endif
1320
1321 774 callstack.reset();
1322 774 simple_callstacks = true;
1323 #undef free
1324 774 }
1325