asar coverage - build #279

src/asar/
File: src/asar/macro.cpp
Date: 2025-03-06 00:06:53
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1 #include "asar.h"
2 #include "assembleblock.h"
3 #include "macro.h"
4 #include "asar_math.h"
5 #include "warnings.h"
6
7 assocarr<macrodata*> macros;
8 static string defining_macro_name;
9 static macrodata * thisone;
10 static int numlines;
11
12 int calledmacros;
13 int reallycalledmacros;
14 int macrorecursion;
15 bool inmacro;
16 int numvarargs;
17
18 static macrodata* current_macro;
19 static const char* const* current_macro_args;
20 static int current_macro_numargs;
21
22 142 void startmacro(const char * line_)
23 {
24 142 thisone= nullptr;
25
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 142 if (!confirmqpar(line_)) throw_err_block(0, err_broken_macro_declaration);
26
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 142 string line=line_;
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 142 line.qnormalize();
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 142 char * startpar=(char *)strchr(line.data(), '(');
29
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 142 if (!startpar) throw_err_block(0, err_broken_macro_declaration);
30 142 *startpar=0;
31 142 startpar++;
32
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 142 if (!confirmname(line)) throw_err_block(0, err_invalid_macro_name);
33
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 142 defining_macro_name=line;
34
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 142 char * endpar=startpar+strlen(startpar)-1;
35 //confirmqpar requires that all parentheses are matched, and a starting one exists, therefore it is harmless to not check for nullptrs
36
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 142 if (*endpar != ')') throw_err_block(0, err_broken_macro_declaration);
37 142 *endpar=0;
38
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 922 for (int i=0;startpar[i];i++)
39 {
40 780 char c=startpar[i];
41
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 780 if (!is_ualnum(c)&& c!=','&& c!='.'&& c!=' ') throw_err_block(0, err_broken_macro_declaration);
42
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 780 if (c==',' && is_digit(startpar[i+1])) throw_err_block(0, err_broken_macro_declaration);
43 }
44
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 142 if (*startpar==',' || is_digit(*startpar) || strstr(startpar, ",,") || endpar[-1]==',') throw_err_block(0, err_broken_macro_declaration);
45
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 142 if (macros.exists(defining_macro_name))
46 {
47 ✗ const auto macro = macros[defining_macro_name];
48 // i think theoretically it would be "more correct" to print the entire
49 // callstack here, but this should be good enough for an error message.
50 // needs +1 because startline is 0-indexed
51 ✗ throw_err_block(0, err_macro_redefined, defining_macro_name.data(), macro->fname, macro->startline + 1);
52 }
53 142 thisone=(macrodata*)malloc(sizeof(macrodata));
54
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 142 new(thisone) macrodata;
55
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 142 if (*startpar)
56 {
57
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 96 char **arguments = split(duplicate_string(startpar), ',', &thisone->numargs);
58 96 thisone->arguments_buffer = arguments[0];
59
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 238 for (int i=0;arguments[i];i++)
60 {
61 142 arguments[i] = strip_whitespace(arguments[i]);
62 }
63 96 thisone->arguments=(const char* const*)arguments;
64 }
65 else
66 {
67 46 const char ** noargs=(const char**)malloc(sizeof(const char**));
68 46 *noargs=nullptr;
69 46 thisone->arguments=noargs;
70 46 thisone->arguments_buffer = nullptr;
71 46 thisone->numargs=0;
72 }
73 142 thisone->variadic = false;
74
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 142 thisone->fname= duplicate_string(get_current_file_name());
75
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 142 thisone->startline=get_current_line();
76 142 thisone->parent_macro=current_macro;
77 142 thisone->parent_macro_num_varargs=0;
78 // RPG Hacker: -1 to take the ... into account, which is also being counted.
79
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 142 if (thisone->parent_macro != nullptr) thisone->parent_macro_num_varargs = current_macro_numargs-(current_macro->numargs-1);
80
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 280 for (int i=0;thisone->arguments[i];i++)
81 {
82
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 140 if(!strcmp(thisone->arguments[i], "...") && !thisone->arguments[i+1]) thisone->variadic = true;
83
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 90 else if(!strcmp(thisone->arguments[i], "...")) throw_err_block(0, err_vararg_must_be_last);
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 88 else if(strchr(thisone->arguments[i], '.')) throw_err_block(0, err_invalid_macro_param_name);
85
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 88 else if (!confirmname(thisone->arguments[i])) throw_err_block(0, err_invalid_macro_param_name);
86
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 188 for (int j=i+1;thisone->arguments[j];j++)
87 {
88
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 50 if (!strcmp(thisone->arguments[i], thisone->arguments[j])) throw_err_block(0, err_macro_param_redefined, thisone->arguments[i]);
89 }
90 }
91 140 numlines=0;
92 213 }
93
94 824 void tomacro(string line)
95 {
96
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 824 if (!thisone) return;
97 824 thisone->lines[numlines++]=std::move(line);
98 }
99
100 142 void endmacro(bool insert)
101 {
102
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 142 if (!thisone) return;
103 142 thisone->numlines=numlines;
104
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 142 if (insert) macros.create(defining_macro_name) = thisone;
105 else
106 {
107 2 freemacro(thisone);
108 2 thisone=nullptr;
109 }
110 }
111
112 #define cfree(x) free((void*)x)
113 142 void freemacro(macrodata* & macro)
114 {
115 142 macro->lines.~autoarray();
116 142 cfree(macro->fname);
117 142 cfree(macro->arguments_buffer);
118 142 cfree(macro->arguments);
119 142 cfree(macro);
120 142 }
121 #undef cfree
122
123
124 534 void callmacro(const char * data)
125 {
126 534 int prev_numvarargs = numvarargs;
127 macrodata * thismacro;
128
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 534 if (!confirmqpar(data)) throw_err_block(0, err_broken_macro_usage);
129
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 534 string line=data;
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 534 line.qnormalize();
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 534 char * startpar=(char *)strchr(line.data(), '(');
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 534 if (!startpar) throw_err_block(0, err_broken_macro_usage);
133 534 *startpar=0;
134 534 startpar++;
135
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 534 if (!confirmname(line)) throw_err_block(0, err_broken_macro_usage);
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 534 if (!macros.exists(line)) throw_err_block(0, err_macro_not_found, line.data());
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 534 thismacro = macros.find(line);
138
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 534 char * endpar=startpar+strlen(startpar)-1;
139 //confirmqpar requires that all parentheses are matched, and a starting one exists, therefore it is harmless to not check for nullptrs
140
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 534 if (*endpar != ')') throw_err_block(0, err_broken_macro_usage);
141 534 *endpar=0;
142 534 autoptr<const char * const*> args;
143 534 int numargs=0;
144
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 534 if (*startpar) {
145
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 414 args=(const char* const*)qpsplit(startpar, ',', &numargs);
146 // qpsplit returns a nullptr when the input is broken, e.g. closing paren before opening or whatnot
147
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 414 if(args == nullptr) throw_err_block(0, err_broken_macro_usage);
148 }
149
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 534 if (numargs != thismacro->numargs && !thismacro->variadic) throw_err_block(1, err_macro_wrong_num_params);
150 // RPG Hacker: -1, because the ... is also counted as an argument, yet we want it to be entirely optional.
151
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 534 if (numargs < thismacro->numargs - 1 && thismacro->variadic) throw_err_block(1, err_macro_wrong_min_params);
152
153 522 macrorecursion++;
154 522 inmacro=true;
155 522 int old_calledmacros = calledmacros;
156 522 calledmacros = reallycalledmacros++;
157 522 int startif=numif;
158
159
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 1416 for (int i = 0; i < numargs; ++i)
160 {
161 // RPG Hacker: These casts make me feel very nasty.
162
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 894 (*reinterpret_cast<autoptr<const char**>*>(&args))[i] = safedequote(strip_whitespace((char*)args[i]));
163 }
164
165 // RPG Hacker: -1 to take the ... into account, which is also being counted.
166
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 522 if(thismacro->variadic) numvarargs = numargs-(thismacro->numargs-1);
167 342 else numvarargs = -1;
168
169 522 autoarray<int>* oldmacroposlabels = macroposlabels;
170 522 autoarray<int>* oldmacroneglabels = macroneglabels;
171 522 autoarray<string>* oldmacrosublabels = macrosublabels;
172
173 522 autoarray<int> newmacroposlabels;
174 522 autoarray<int> newmacroneglabels;
175 522 autoarray<string> newmacrosublabels;
176
177 522 macroposlabels = &newmacroposlabels;
178 522 macroneglabels = &newmacroneglabels;
179 522 macrosublabels = &newmacrosublabels;
180
181 522 macrodata* old_macro = current_macro;
182 522 const char* const* old_macro_args = current_macro_args;
183 522 int old_numargs = current_macro_numargs;
184 522 current_macro = thismacro;
185 522 current_macro_args = args;
186 522 current_macro_numargs = numargs;
187
188
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 522 callstack_push cs_push(callstack_entry_type::MACRO_CALL, data);
189
190 {
191
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 522 callstack_push cs_push(callstack_entry_type::FILE, thismacro->fname);
192
193
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 7560 for (int i=0;i<thismacro->numlines;i++)
194 {
195
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 7038 bool was_loop_end = do_line_logic(thismacro->lines[i], thismacro->fname, thismacro->startline+i+1);
196
197
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 7038 if (was_loop_end && whilestatus[numif].cond)
198 // RPG Hacker: -1 to compensate for the i++, and another -1
199 // because ->lines doesn't include the macro header.
200
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 582 i = whilestatus[numif].startline - thismacro->startline - 2;
201 }
202 522 }
203
204 522 macroposlabels = oldmacroposlabels;
205 522 macroneglabels = oldmacroneglabels;
206 522 macrosublabels = oldmacrosublabels;
207
208 522 current_macro = old_macro;
209 522 current_macro_args = old_macro_args;
210 522 current_macro_numargs = old_numargs;
211
212 522 macrorecursion--;
213 522 inmacro = macrorecursion;
214 522 numvarargs = prev_numvarargs;
215 522 calledmacros = old_calledmacros;
216
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 522 if (numif!=startif)
217 {
218 ✗ numif=startif;
219 ✗ numtrue=startif;
220 ✗ throw_err_block(0, err_unclosed_if);
221 }
222 813 }
223
224 56 static string generate_macro_arg_string(const char* named_arg, int depth)
225 {
226 56 string ret="<";
227
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 116 for (int i = 0; i < depth;++i)
228 {
229
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 60 ret += '^';
230 }
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 56 ret += named_arg;
232
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 56 ret += ">";
233 56 return ret;
234 ✗ }
235
236 42 static string generate_macro_arg_string(int var_arg, int depth)
237 {
238 42 string ret="<";
239
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 60 for (int i = 0; i < depth;++i)
240 {
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 18 ret += '^';
242 }
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 42 ret += "...[";
244
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 42 ret += dec(var_arg);
245
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 42 ret += "]>";
246 42 return ret;
247 ✗ }
248
249 76 static string generate_macro_hint_string(const char* named_arg, const macrodata* thismacro, int desired_depth, int current_depth=0)
250 {
251 // RPG Hacker: This only work when the incorrectly used parameter
252 // is inside the macro that is currently being defined. Not great,
253 // but still better than nothing.
254
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 76 if (current_depth == 0 && thisone != nullptr)
255 {
256
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 30 for (int j=0;thisone->arguments[j];j++)
257 {
258
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 20 if (!strcmp(named_arg, thisone->arguments[j]))
259 {
260
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 2 string ret=" Did you mean: '";
261
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 2 ret += generate_macro_arg_string(thisone->arguments[j], 0);
262
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 2 ret += "'?";
263 2 return ret;
264 2 }
265 }
266 }
267
268 // RPG Hacker: Technically, we could skip a level here and go straight
269 // to the parent, but maybe at some point we'll want to expand this to
270 // also look for similar args in the current level, so I'll leave it
271 // like this, just in case.
272
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 74 if (thismacro != nullptr)
273 {
274
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 132 for (int j=0;thismacro->arguments[j];j++)
275 {
276
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 92 if (!strcmp(named_arg, thismacro->arguments[j]))
277 {
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 18 string ret=" Did you mean: '";
279
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 18 ret += generate_macro_arg_string(thismacro->arguments[j], desired_depth+current_depth);
280
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 18 ret += "'?";
281 18 return ret;
282 18 }
283 }
284 40 return generate_macro_hint_string(named_arg, thismacro->parent_macro, desired_depth, current_depth+1);
285 }
286
287 16 return "";
288 }
289
290 42 static string generate_macro_hint_string(int var_arg, const macrodata* thismacro, int desired_depth, int current_depth=0)
291 {
292
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 42 if (thismacro != nullptr)
293 {
294
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 30 if (thismacro->parent_macro_num_varargs > var_arg)
295 {
296
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 12 string ret=" Did you mean: '";
297
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 12 ret += generate_macro_arg_string(var_arg, desired_depth+current_depth+1);
298
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 12 ret += "'?";
299 12 return ret;
300 12 }
301 18 return generate_macro_hint_string(var_arg, thismacro->parent_macro, desired_depth, current_depth+1);
302 }
303
304 12 return "";
305 }
306
307 49268 string replace_macro_args(const string& line) {
308
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 49268 if(!inmacro)
309 {
310
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 43202 return line;
311 }
312 6066 string out;
313
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 86268 for (const char * in=line;*in;)
314 {
315
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 80304 if (*in=='<' && in[1]=='<' && in[2] != ':')
316 {
317
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 18 if (in[2] == '^')
318 {
319
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 18 out+="<";
320 18 in+=1;
321 }
322 else
323 {
324 ✗ out+="<<";
325 ✗ in+=2;
326 }
327 }
328
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 80286 else if (*in=='<')
329 {
330 2262 const char * end=in+1;
331 // RPG Hacker: Added checking for space here, because this code would consider
332 // if a < b && a > c
333 // a macro arg expansion. In practice, this is still a sloppy solution and is
334 // likely to fail in some edge case I can't think of right now. Should parse
335 // this in a much more robust way at some point...
336
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 2262 if (*end==' ')
337 {
338
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 720 out += *(in++);
339 807 continue;
340 }
341
342
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 13326 while (*end && *end!='>'&& *end!='<' && *(end+1)!=':') end++; //allow for conditionals and <:
343
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 1542 if (*end!='>')
344 {
345
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 18 out+=*(in++);
346 18 continue;
347 }
348
349 1524 int depth = 0;
350
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 1710 for (const char* depth_str = in+1; *depth_str=='^'; depth_str++)
351 {
352 186 depth++;
353 }
354
355
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 1524 if (depth != in_macro_def)
356 {
357
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 162 string temp(in, end-in+1);
358
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 162 out+=temp;
359 162 in=end+1;
360
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 162 if (depth > in_macro_def)
361 {
362
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 18 if (in_macro_def > 0) throw_err_line(0, err_invalid_depth_resolve, "macro parameter", "macro parameter", depth, in_macro_def-1);
363 //else throw_err_block(0, err_macro_param_outside_macro);
364 }
365 156 continue;
366 162 }
367
368
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 1362 if (depth > 0 && !inmacro) throw_err_line(0, err_invalid_depth_resolve, "macro parameter", "macro parameter", depth, in_macro_def-1);
369 1362 in += depth+1;
370
371 1362 bool is_variadic_arg = false;
372
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 1362 if (in[0] == '.' && in[1] == '.' && in[2] == '.' && in[3] == '[')
373 {
374
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 630 if (end[-1] != ']')
375
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 6 throw_err_block(0, err_unclosed_vararg);
376
377 624 is_variadic_arg = true;
378 624 in += 4;
379 624 end--;
380 }
381
382 //if(!inmacro) throw_err_block(0, err_macro_param_outside_macro);
383
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 1356 if(is_variadic_arg && !current_macro->variadic) throw_err_block(0, err_macro_not_varadic, "<...[math]>");
384 //*end=0;
385 1350 string param;
386
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 1350 string temp(in, end-in);
387
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 1350 resolvedefines(param, temp);
388 1350 in = param.data();
389
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 1350 bool valid_named_param = confirmname(in);
390
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 1350 if (!is_variadic_arg)
391 {
392
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 732 if (!valid_named_param) throw_err_block(0, err_invalid_macro_param_name);
393 720 bool found=false;
394
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 936 for (int j=0;current_macro->arguments[j];j++)
395 {
396
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 900 if (!strcmp(in, current_macro->arguments[j]))
397 {
398 684 found=true;
399
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 684 out+=current_macro_args[j];
400 684 break;
401 }
402 }
403
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 720 if (!found)
404 {
405
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 126 throw_err_block(0, err_macro_param_not_found, generate_macro_arg_string(in, depth).raw(), generate_macro_hint_string(in, current_macro, depth).raw());
406 }
407 }
408 else
409 {
410
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 627 int arg_num = parse_math_expr(in)->evaluate_static().get_integer();
411
412
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 618 if (arg_num < 0) throw_err_block(1, err_vararg_out_of_bounds, generate_macro_arg_string(arg_num, depth).raw(), "");
413
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 666 if (arg_num > current_macro_numargs-current_macro->numargs) throw_err_block(1, err_vararg_out_of_bounds, generate_macro_arg_string(arg_num, depth).raw(), generate_macro_hint_string(arg_num, current_macro, depth).raw());
414
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 582 out+=current_macro_args[arg_num+current_macro->numargs-1];
415 }
416 1266 in=end+1;
417
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 1266 if (is_variadic_arg) in++;
418 1434 }
419
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 78024 else out+=*(in++);
420 }
421 5964 return out;
422 6066 }
423