asar coverage - build #325

src/asar/
File: src/asar/macro.cpp
Date: 2025-11-04 16:32:25
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1 #include "asar.h"
2 #include "assembleblock.h"
3 #include "macro.h"
4 #include "asar_math.h"
5
6 assocarr<macrodata*> macros;
7 static string defining_macro_name;
8 static macrodata * thisone;
9 static int numlines;
10
11 int calledmacros;
12 int reallycalledmacros;
13 int macrorecursion;
14 bool inmacro;
15 int numvarargs;
16
17 static macrodata* current_macro;
18 static const char* const* current_macro_args;
19 static int current_macro_numargs;
20
21 140 void startmacro(const char * line_)
22 {
23 140 thisone= nullptr;
24
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 140 if (!confirmqpar(line_)) throw_err_block(0, err_broken_macro_declaration);
25
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 140 string line=line_;
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 140 line.qnormalize();
27
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 140 char * startpar=(char *)strchr(line.data(), '(');
28
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 140 if (!startpar) throw_err_block(0, err_broken_macro_declaration);
29 140 *startpar=0;
30 140 startpar++;
31
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 140 if (!confirmname(line)) throw_err_block(0, err_invalid_macro_name);
32
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 140 defining_macro_name=(const char*)line; // force strcpy, line's .length() is wrong right now
33
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 140 char * endpar=startpar+strlen(startpar)-1;
34 //confirmqpar requires that all parentheses are matched, and a starting one exists, therefore it is harmless to not check for nullptrs
35
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 140 if (*endpar != ')') throw_err_block(0, err_broken_macro_declaration);
36 140 *endpar=0;
37
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 918 for (int i=0;startpar[i];i++)
38 {
39 778 char c=startpar[i];
40
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 778 if (!is_ualnum(c)&& c!=','&& c!='.'&& c!=' ') throw_err_block(0, err_broken_macro_declaration);
41
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 778 if (c==',' && is_digit(startpar[i+1])) throw_err_block(0, err_broken_macro_declaration);
42 }
43
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 140 if (*startpar==',' || is_digit(*startpar) || strstr(startpar, ",,") || endpar[-1]==',') throw_err_block(0, err_broken_macro_declaration);
44
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 140 if (macros.exists(defining_macro_name))
45 {
46 ✗ const auto macro = macros[defining_macro_name];
47 // i think theoretically it would be "more correct" to print the entire
48 // callstack here, but this should be good enough for an error message.
49 // needs +1 because startline is 0-indexed
50 ✗ throw_err_block(0, err_macro_redefined, defining_macro_name.data(), macro->fname, macro->startline + 1);
51 }
52 140 thisone=(macrodata*)malloc(sizeof(macrodata));
53
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 140 new(thisone) macrodata;
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 140 if (*startpar)
55 {
56
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 94 char **arguments = split(duplicate_string(startpar), ',', &thisone->numargs);
57 94 thisone->arguments_buffer = arguments[0];
58
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 234 for (int i=0;arguments[i];i++)
59 {
60 140 arguments[i] = strip_whitespace(arguments[i]);
61 }
62 94 thisone->arguments=(const char* const*)arguments;
63 }
64 else
65 {
66 46 const char ** noargs=(const char**)malloc(sizeof(const char**));
67 46 *noargs=nullptr;
68 46 thisone->arguments=noargs;
69 46 thisone->arguments_buffer = nullptr;
70 46 thisone->numargs=0;
71 }
72 140 thisone->variadic = false;
73
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 140 thisone->fname= duplicate_string(get_current_file_name());
74
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 140 thisone->startline=get_current_line();
75 140 thisone->parent_macro=current_macro;
76 140 thisone->parent_macro_num_varargs=0;
77 // RPG Hacker: -1 to take the ... into account, which is also being counted.
78
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 140 if (thisone->parent_macro != nullptr) thisone->parent_macro_num_varargs = current_macro_numargs-(current_macro->numargs-1);
79
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 276 for (int i=0;thisone->arguments[i];i++)
80 {
81
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 138 if(!strcmp(thisone->arguments[i], "...") && !thisone->arguments[i+1]) thisone->variadic = true;
82
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 88 else if(!strcmp(thisone->arguments[i], "...")) throw_err_block(0, err_vararg_must_be_last);
83
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 86 else if(strchr(thisone->arguments[i], '.')) throw_err_block(0, err_invalid_macro_param_name);
84
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 86 else if (!confirmname(thisone->arguments[i])) throw_err_block(0, err_invalid_macro_param_name);
85
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 186 for (int j=i+1;thisone->arguments[j];j++)
86 {
87
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 50 if (!strcmp(thisone->arguments[i], thisone->arguments[j])) throw_err_block(0, err_macro_param_redefined, thisone->arguments[i]);
88 }
89 }
90 138 numlines=0;
91 209 }
92
93 858 void tomacro(string line)
94 {
95
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 858 if (!thisone) return;
96 858 thisone->lines[numlines++]=std::move(line);
97 }
98
99 140 void endmacro(bool insert)
100 {
101
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 140 if (!thisone) return;
102 140 thisone->numlines=numlines;
103
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 140 if (insert) macros.create(defining_macro_name) = thisone;
104 else
105 {
106 2 freemacro(thisone);
107 2 thisone=nullptr;
108 }
109 }
110
111 #define cfree(x) free((void*)x)
112 140 void freemacro(macrodata* & macro)
113 {
114 140 macro->lines.~autoarray();
115 140 cfree(macro->fname);
116 140 cfree(macro->arguments_buffer);
117 140 cfree(macro->arguments);
118 140 cfree(macro);
119 140 }
120 #undef cfree
121
122
123 522 void callmacro(const char * data)
124 {
125 522 int prev_numvarargs = numvarargs;
126 macrodata * thismacro;
127
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 522 if (!confirmqpar(data)) throw_err_block(0, err_broken_macro_usage);
128
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 522 string line=data;
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 522 line.qnormalize();
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 522 char * startpar=(char *)strchr(line.data(), '(');
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 522 if (!startpar) throw_err_block(0, err_broken_macro_usage);
132 522 *startpar=0;
133 522 startpar++;
134
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 522 if (!confirmname(line)) throw_err_block(0, err_broken_macro_usage);
135
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 522 if (!macros.exists(line)) throw_err_block(0, err_macro_not_found, line.data());
136
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 522 thismacro = macros.find(line);
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 522 char * endpar=startpar+strlen(startpar)-1;
138 //confirmqpar requires that all parentheses are matched, and a starting one exists, therefore it is harmless to not check for nullptrs
139
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 522 if (*endpar != ')') throw_err_block(0, err_broken_macro_usage);
140 522 *endpar=0;
141 522 autoptr<const char * const*> args;
142 522 int numargs=0;
143
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 522 if (*startpar) {
144
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 402 args=(const char* const*)qpsplit(startpar, ',', &numargs);
145 // qpsplit returns a nullptr when the input is broken, e.g. closing paren before opening or whatnot
146
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 402 if(args == nullptr) throw_err_block(0, err_broken_macro_usage);
147 }
148
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 522 if (numargs != thismacro->numargs && !thismacro->variadic) throw_err_block(0, err_macro_wrong_num_params);
149 // RPG Hacker: -1, because the ... is also counted as an argument, yet we want it to be entirely optional.
150
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 522 if (numargs < thismacro->numargs - 1 && thismacro->variadic) throw_err_block(0, err_macro_wrong_min_params);
151
152 510 macrorecursion++;
153 510 inmacro=true;
154 510 int old_calledmacros = calledmacros;
155 510 calledmacros = reallycalledmacros++;
156 510 int startif=numif;
157
158
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 1392 for (int i = 0; i < numargs; ++i)
159 {
160 // RPG Hacker: These casts make me feel very nasty.
161
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 882 (*reinterpret_cast<autoptr<const char**>*>(&args))[i] = safedequote(strip_whitespace((char*)args[i]));
162 }
163
164 // RPG Hacker: -1 to take the ... into account, which is also being counted.
165
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 510 if(thismacro->variadic) numvarargs = numargs-(thismacro->numargs-1);
166 330 else numvarargs = -1;
167
168 510 autoarray<int>* oldmacroposlabels = macroposlabels;
169 510 autoarray<int>* oldmacroneglabels = macroneglabels;
170 510 autoarray<string>* oldmacrosublabels = macrosublabels;
171
172 510 autoarray<int> newmacroposlabels;
173 510 autoarray<int> newmacroneglabels;
174 510 autoarray<string> newmacrosublabels;
175
176 510 macroposlabels = &newmacroposlabels;
177 510 macroneglabels = &newmacroneglabels;
178 510 macrosublabels = &newmacrosublabels;
179
180 510 macrodata* old_macro = current_macro;
181 510 const char* const* old_macro_args = current_macro_args;
182 510 int old_numargs = current_macro_numargs;
183 510 current_macro = thismacro;
184 510 current_macro_args = args;
185 510 current_macro_numargs = numargs;
186
187
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 510 callstack_push cs_push(callstack_entry_type::MACRO_CALL, data);
188
189 {
190
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 510 callstack_push cs_push(callstack_entry_type::FILE, thismacro->fname);
191
192
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 7584 for (int i=0;i<thismacro->numlines;i++)
193 {
194
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 7074 bool was_loop_end = do_line_logic(thismacro->lines[i], thismacro->fname, thismacro->startline+i+1);
195
196
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 7074 if (was_loop_end && whilestatus[numif].cond)
197 // RPG Hacker: -1 to compensate for the i++, and another -1
198 // because ->lines doesn't include the macro header.
199
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 582 i = whilestatus[numif].startline - thismacro->startline - 2;
200 }
201 510 }
202
203 510 macroposlabels = oldmacroposlabels;
204 510 macroneglabels = oldmacroneglabels;
205 510 macrosublabels = oldmacrosublabels;
206
207 510 current_macro = old_macro;
208 510 current_macro_args = old_macro_args;
209 510 current_macro_numargs = old_numargs;
210
211 510 macrorecursion--;
212 510 inmacro = macrorecursion;
213 510 numvarargs = prev_numvarargs;
214 510 calledmacros = old_calledmacros;
215
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 510 if (numif!=startif)
216 {
217 ✗ numif=startif;
218 ✗ numtrue=startif;
219 ✗ throw_err_block(0, err_unclosed_if);
220 }
221 789 }
222
223 56 static string generate_macro_arg_string(const char* named_arg, int depth)
224 {
225 56 string ret="<";
226
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 116 for (int i = 0; i < depth;++i)
227 {
228
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 60 ret += '^';
229 }
230
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 56 ret += named_arg;
231
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 56 ret += ">";
232 56 return ret;
233 ✗ }
234
235 42 static string generate_macro_arg_string(int var_arg, int depth)
236 {
237 42 string ret="<";
238
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 60 for (int i = 0; i < depth;++i)
239 {
240
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 18 ret += '^';
241 }
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 42 ret += "...[";
243
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 42 ret += dec(var_arg);
244
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 42 ret += "]>";
245 42 return ret;
246 ✗ }
247
248 76 static string generate_macro_hint_string(const char* named_arg, const macrodata* thismacro, int desired_depth, int current_depth=0)
249 {
250 // RPG Hacker: This only work when the incorrectly used parameter
251 // is inside the macro that is currently being defined. Not great,
252 // but still better than nothing.
253
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 76 if (current_depth == 0 && thisone != nullptr)
254 {
255
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 30 for (int j=0;thisone->arguments[j];j++)
256 {
257
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 20 if (!strcmp(named_arg, thisone->arguments[j]))
258 {
259
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 2 string ret=" Did you mean: '";
260
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 2 ret += generate_macro_arg_string(thisone->arguments[j], 0);
261
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 2 ret += "'?";
262
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 2 return ret;
263 ✗ }
264 }
265 }
266
267 // RPG Hacker: Technically, we could skip a level here and go straight
268 // to the parent, but maybe at some point we'll want to expand this to
269 // also look for similar args in the current level, so I'll leave it
270 // like this, just in case.
271
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 74 if (thismacro != nullptr)
272 {
273
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 132 for (int j=0;thismacro->arguments[j];j++)
274 {
275
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 92 if (!strcmp(named_arg, thismacro->arguments[j]))
276 {
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 18 string ret=" Did you mean: '";
278
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 18 ret += generate_macro_arg_string(thismacro->arguments[j], desired_depth+current_depth);
279
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 18 ret += "'?";
280 18 return ret;
281 18 }
282 }
283 40 return generate_macro_hint_string(named_arg, thismacro->parent_macro, desired_depth, current_depth+1);
284 }
285
286 16 return "";
287 }
288
289 42 static string generate_macro_hint_string(int var_arg, const macrodata* thismacro, int desired_depth, int current_depth=0)
290 {
291
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 42 if (thismacro != nullptr)
292 {
293
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 30 if (thismacro->parent_macro_num_varargs > var_arg)
294 {
295
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 12 string ret=" Did you mean: '";
296
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 12 ret += generate_macro_arg_string(var_arg, desired_depth+current_depth+1);
297
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 12 ret += "'?";
298
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 12 return ret;
299 ✗ }
300 18 return generate_macro_hint_string(var_arg, thismacro->parent_macro, desired_depth, current_depth+1);
301 }
302
303 12 return "";
304 }
305
306 57561 string replace_macro_args(const string& line) {
307
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 57561 if(!inmacro)
308 {
309
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 51459 return line;
310 }
311 6102 string out;
312
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 86250 for (const char * in=line;*in;)
313 {
314
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 80238 if (*in != '<') {
315
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 77964 out += *in++;
316 77964 continue;
317 }
318
319 2274 const char * end=in+1;
320 2274 int depth = 0;
321
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 2460 for (; *end=='^'; end++) {
322 186 depth++;
323 }
324
325 2274 const char* name_start = end;
326 2274 bool is_variadic = false;
327
328
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 2274 if(is_ualpha(*end)) {
329 // must be a named arg ref
330
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 5538 while(is_ualnum(*end)) end++;
331
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 810 if(*end != '>') {
332 // not a valid param ref
333 ✗ out += *in++;
334 ✗ continue;
335 }
336
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 1464 } else if(end[0] == '.' && end[1] == '.' && end[2] == '.' && end[3] == '[') {
337 // must be a <...[something]>
338 690 end += 4;
339
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 690 end = strqpchr(end, ']');
340
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 690 if(!end || end[1] != '>') throw_err_line(0, err_unclosed_vararg);
341 684 end++;
342 684 is_variadic = true;
343 } else {
344 // not a macro param
345
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 774 out += *in++;
346 774 continue;
347 }
348
349 // end is now pointing at '>'
350
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 1494 if (depth != in_macro_def)
351 {
352
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 162 if (depth > in_macro_def && in_macro_def > 0) {
353
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 6 throw_err_line(0, err_invalid_depth_resolve, "macro parameter", "macro parameter", depth, in_macro_def-1);
354 }
355 // valid param ref, but not meant to be resolved at this depth.
356 // copy it over in its entirety (including the last '>')
357
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 156 out.append(in, 0, end + 1 - in);
358 156 in = end + 1;
359 156 continue;
360 }
361
362
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 1332 if (depth > 0 && !inmacro) {
363 ✗ throw_err_line(0, err_invalid_depth_resolve, "macro parameter", "macro parameter", depth, in_macro_def-1);
364 }
365
366
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 1332 if(is_variadic) {
367
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 624 if(!current_macro->variadic) throw_err_block(0, err_macro_not_varadic, "<...[math]>");
368 618 const char* num_start = name_start + 4;
369 618 const char* num_end = end - 1;
370
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 618 string num_str(num_start, num_end - num_start);
371 618 string num_resolved;
372
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 618 resolvedefines(num_resolved, num_str);
373
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 627 int arg_num = parse_math_expr(num_resolved)->evaluate_static().get_integer();
374
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 612 if (arg_num < 0) {
375
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 12 throw_err_block(0, err_vararg_out_of_bounds, generate_macro_arg_string(arg_num, depth).data(), "");
376 }
377
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 606 if (arg_num > current_macro_numargs-current_macro->numargs) {
378
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 24 string argstr = generate_macro_arg_string(arg_num, depth);
379
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 24 string hintstr = generate_macro_hint_string(arg_num, current_macro, depth);
380
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 24 throw_err_block(0, err_vararg_out_of_bounds, argstr.data(), hintstr.data());
381 48 }
382
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 582 out += current_macro_args[arg_num + current_macro->numargs - 1];
383 654 } else {
384
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 708 string name(name_start, end - name_start);
385 708 bool found = false;
386
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 924 for (int j=0; current_macro->arguments[j]; j++) {
387
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 888 if(name == current_macro->arguments[j]) {
388 672 found = true;
389
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 672 out += current_macro_args[j];
390 672 break;
391 }
392 }
393
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 708 if (!found) {
394
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 36 string argstr = generate_macro_arg_string(name, depth);
395
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 36 string hintstr = generate_macro_hint_string(name, current_macro, depth);
396
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 36 throw_err_block(0, err_macro_param_not_found, argstr.data(), hintstr.data());
397 72 }
398 708 }
399 1254 in = end+1;
400 }
401 6012 return out;
402 6102 }
403