forked from danmar/cppcheck
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy patherrorlogger.cpp
More file actions
920 lines (806 loc) · 33.6 KB
/
errorlogger.cpp
File metadata and controls
920 lines (806 loc) · 33.6 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2024 Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "errorlogger.h"
#include "color.h"
#include "cppcheck.h"
#include "path.h"
#include "settings.h"
#include "suppressions.h"
#include "token.h"
#include "tokenlist.h"
#include "utils.h"
#include <algorithm>
#include <array>
#include <cassert>
#include <cctype>
#include <cstring>
#include <fstream>
#include <iomanip>
#include <sstream>
#include <string>
#include <unordered_map>
#include <utility>
#include "xml.h"
const std::set<std::string> ErrorLogger::mCriticalErrorIds{
"cppcheckError",
"cppcheckLimit",
"internalAstError",
"instantiationError",
"internalError",
"premium-internalError",
"premium-invalidArgument",
"premium-invalidLicense",
"preprocessorErrorDirective",
"syntaxError",
"unknownMacro"
};
ErrorMessage::ErrorMessage()
: severity(Severity::none), cwe(0U), certainty(Certainty::normal), hash(0)
{}
// TODO: id and msg are swapped compared to other calls
ErrorMessage::ErrorMessage(std::list<FileLocation> callStack, std::string file1, Severity severity, const std::string &msg, std::string id, Certainty certainty) :
callStack(std::move(callStack)), // locations for this error message
id(std::move(id)), // set the message id
file0(std::move(file1)),
severity(severity), // severity for this error message
cwe(0U),
certainty(certainty),
hash(0)
{
// set the summary and verbose messages
setmsg(msg);
}
// TODO: id and msg are swapped compared to other calls
ErrorMessage::ErrorMessage(std::list<FileLocation> callStack, std::string file1, Severity severity, const std::string &msg, std::string id, const CWE &cwe, Certainty certainty) :
callStack(std::move(callStack)), // locations for this error message
id(std::move(id)), // set the message id
file0(std::move(file1)),
severity(severity), // severity for this error message
cwe(cwe.id),
certainty(certainty),
hash(0)
{
// set the summary and verbose messages
setmsg(msg);
}
ErrorMessage::ErrorMessage(const std::list<const Token*>& callstack, const TokenList* list, Severity severity, std::string id, const std::string& msg, Certainty certainty)
: id(std::move(id)), severity(severity), cwe(0U), certainty(certainty), hash(0)
{
// Format callstack
for (std::list<const Token *>::const_iterator it = callstack.cbegin(); it != callstack.cend(); ++it) {
// --errorlist can provide null values here
if (!(*it))
continue;
callStack.emplace_back(*it, list);
}
if (list && !list->getFiles().empty())
file0 = list->getFiles()[0];
setmsg(msg);
}
ErrorMessage::ErrorMessage(const std::list<const Token*>& callstack, const TokenList* list, Severity severity, std::string id, const std::string& msg, const CWE &cwe, Certainty certainty)
: id(std::move(id)), severity(severity), cwe(cwe.id), certainty(certainty)
{
// Format callstack
for (const Token *tok: callstack) {
// --errorlist can provide null values here
if (!tok)
continue;
callStack.emplace_back(tok, list);
}
if (list && !list->getFiles().empty())
file0 = list->getFiles()[0];
setmsg(msg);
hash = 0; // calculateWarningHash(list, hashWarning.str());
}
ErrorMessage::ErrorMessage(const ErrorPath &errorPath, const TokenList *tokenList, Severity severity, const char id[], const std::string &msg, const CWE &cwe, Certainty certainty)
: id(id), severity(severity), cwe(cwe.id), certainty(certainty)
{
// Format callstack
for (const ErrorPathItem& e: errorPath) {
const Token *tok = e.first;
// --errorlist can provide null values here
if (!tok)
continue;
const std::string& path_info = e.second;
std::string info;
if (startsWith(path_info,"$symbol:") && path_info.find('\n') < path_info.size()) {
const std::string::size_type pos = path_info.find('\n');
const std::string symbolName = path_info.substr(8, pos - 8);
info = replaceStr(path_info.substr(pos+1), "$symbol", symbolName);
}
else {
info = path_info;
}
callStack.emplace_back(tok, std::move(info), tokenList);
}
if (tokenList && !tokenList->getFiles().empty())
file0 = tokenList->getFiles()[0];
setmsg(msg);
hash = 0; // calculateWarningHash(tokenList, hashWarning.str());
}
ErrorMessage::ErrorMessage(const tinyxml2::XMLElement * const errmsg)
: severity(Severity::none),
cwe(0U),
certainty(Certainty::normal)
{
const char * const unknown = "<UNKNOWN>";
const char *attr = errmsg->Attribute("id");
id = attr ? attr : unknown;
attr = errmsg->Attribute("severity");
severity = attr ? severityFromString(attr) : Severity::none;
attr = errmsg->Attribute("cwe");
// cppcheck-suppress templateInstantiation - TODO: fix this - see #11631
cwe.id = attr ? strToInt<unsigned short>(attr) : 0;
attr = errmsg->Attribute("inconclusive");
certainty = (attr && (std::strcmp(attr, "true") == 0)) ? Certainty::inconclusive : Certainty::normal;
attr = errmsg->Attribute("msg");
mShortMessage = attr ? attr : "";
attr = errmsg->Attribute("verbose");
mVerboseMessage = attr ? attr : "";
attr = errmsg->Attribute("hash");
hash = attr ? strToInt<std::size_t>(attr) : 0;
for (const tinyxml2::XMLElement *e = errmsg->FirstChildElement(); e; e = e->NextSiblingElement()) {
if (std::strcmp(e->Name(),"location")==0) {
const char *strfile = e->Attribute("file");
const char *strinfo = e->Attribute("info");
const char *strline = e->Attribute("line");
const char *strcolumn = e->Attribute("column");
const char *file = strfile ? strfile : unknown;
const char *info = strinfo ? strinfo : "";
const int line = strline ? strToInt<int>(strline) : 0;
const int column = strcolumn ? strToInt<int>(strcolumn) : 0;
callStack.emplace_front(file, info, line, column);
} else if (std::strcmp(e->Name(),"symbol")==0) {
mSymbolNames += e->GetText();
}
}
}
void ErrorMessage::setmsg(const std::string &msg)
{
// If a message ends to a '\n' and contains only a one '\n'
// it will cause the mVerboseMessage to be empty which will show
// as an empty message to the user if --verbose is used.
// Even this doesn't cause problems with messages that have multiple
// lines, none of the error messages should end into it.
assert(!endsWith(msg,'\n'));
// The summary and verbose message are separated by a newline
// If there is no newline then both the summary and verbose messages
// are the given message
const std::string::size_type pos = msg.find('\n');
const std::string symbolName = mSymbolNames.empty() ? std::string() : mSymbolNames.substr(0, mSymbolNames.find('\n'));
if (pos == std::string::npos) {
mShortMessage = replaceStr(msg, "$symbol", symbolName);
mVerboseMessage = replaceStr(msg, "$symbol", symbolName);
} else if (startsWith(msg,"$symbol:")) {
mSymbolNames += msg.substr(8, pos-7);
setmsg(msg.substr(pos + 1));
} else {
mShortMessage = replaceStr(msg.substr(0, pos), "$symbol", symbolName);
mVerboseMessage = replaceStr(msg.substr(pos + 1), "$symbol", symbolName);
}
}
static void serializeString(std::string &oss, const std::string & str)
{
oss += std::to_string(str.length());
oss += " ";
oss += str;
}
ErrorMessage ErrorMessage::fromInternalError(const InternalError &internalError, const TokenList *tokenList, const std::string &filename, const std::string& msg)
{
if (internalError.token)
assert(tokenList != nullptr); // we need to make sure we can look up the provided token
std::list<ErrorMessage::FileLocation> locationList;
if (tokenList && internalError.token) {
locationList.emplace_back(internalError.token, tokenList);
} else {
locationList.emplace_back(filename, 0, 0);
if (tokenList && (filename != tokenList->getSourceFilePath())) {
locationList.emplace_back(tokenList->getSourceFilePath(), 0, 0);
}
}
ErrorMessage errmsg(std::move(locationList),
tokenList ? tokenList->getSourceFilePath() : filename,
Severity::error,
(msg.empty() ? "" : (msg + ": ")) + internalError.errorMessage,
internalError.id,
Certainty::normal);
// TODO: find a better way
if (!internalError.details.empty())
errmsg.mVerboseMessage = errmsg.mVerboseMessage + ": " + internalError.details;
return errmsg;
}
std::string ErrorMessage::serialize() const
{
// Serialize this message into a simple string
std::string oss;
serializeString(oss, id);
serializeString(oss, severityToString(severity));
serializeString(oss, std::to_string(cwe.id));
serializeString(oss, std::to_string(hash));
serializeString(oss, fixInvalidChars(remark));
serializeString(oss, file0);
serializeString(oss, (certainty == Certainty::inconclusive) ? "1" : "0");
const std::string saneShortMessage = fixInvalidChars(mShortMessage);
const std::string saneVerboseMessage = fixInvalidChars(mVerboseMessage);
serializeString(oss, saneShortMessage);
serializeString(oss, saneVerboseMessage);
oss += std::to_string(callStack.size());
oss += " ";
for (std::list<ErrorMessage::FileLocation>::const_iterator loc = callStack.cbegin(); loc != callStack.cend(); ++loc) {
std::string frame;
frame += std::to_string(loc->line);
frame += '\t';
frame += std::to_string(loc->column);
frame += '\t';
frame += loc->getfile(false);
frame += '\t';
frame += loc->getOrigFile(false);
frame += '\t';
frame += loc->getinfo();
serializeString(oss, frame);
}
return oss;
}
void ErrorMessage::deserialize(const std::string &data)
{
// TODO: clear all fields
certainty = Certainty::normal;
callStack.clear();
std::istringstream iss(data);
std::array<std::string, 9> results;
std::size_t elem = 0;
while (iss.good() && elem < 9) {
unsigned int len = 0;
if (!(iss >> len))
throw InternalError(nullptr, "Internal Error: Deserialization of error message failed - invalid length");
if (iss.get() != ' ')
throw InternalError(nullptr, "Internal Error: Deserialization of error message failed - invalid separator");
if (!iss.good())
throw InternalError(nullptr, "Internal Error: Deserialization of error message failed - premature end of data");
std::string temp;
if (len > 0) {
temp.resize(len);
iss.read(&temp[0], len);
if (!iss.good())
throw InternalError(nullptr, "Internal Error: Deserialization of error message failed - premature end of data");
}
results[elem++] = std::move(temp);
}
if (!iss.good())
throw InternalError(nullptr, "Internal Error: Deserialization of error message failed - premature end of data");
if (elem != 9)
throw InternalError(nullptr, "Internal Error: Deserialization of error message failed - insufficient elements");
id = std::move(results[0]);
severity = severityFromString(results[1]);
cwe.id = 0;
if (!results[2].empty()) {
std::string err;
if (!strToInt(results[2], cwe.id, &err))
throw InternalError(nullptr, "Internal Error: Deserialization of error message failed - invalid CWE ID - " + err);
}
hash = 0;
if (!results[3].empty()) {
std::string err;
if (!strToInt(results[3], hash, &err))
throw InternalError(nullptr, "Internal Error: Deserialization of error message failed - invalid hash - " + err);
}
remark = std::move(results[4]);
file0 = std::move(results[5]);
if (results[6] == "1")
certainty = Certainty::inconclusive;
mShortMessage = std::move(results[7]);
mVerboseMessage = std::move(results[8]);
unsigned int stackSize = 0;
if (!(iss >> stackSize))
throw InternalError(nullptr, "Internal Error: Deserialization of error message failed - invalid stack size");
if (iss.get() != ' ')
throw InternalError(nullptr, "Internal Error: Deserialization of error message failed - invalid separator");
if (stackSize == 0)
return;
while (iss.good()) {
unsigned int len = 0;
if (!(iss >> len))
throw InternalError(nullptr, "Internal Error: Deserialization of error message failed - invalid length (stack)");
if (iss.get() != ' ')
throw InternalError(nullptr, "Internal Error: Deserialization of error message failed - invalid separator (stack)");
std::string temp;
if (len > 0) {
temp.resize(len);
iss.read(&temp[0], len);
if (!iss.good())
throw InternalError(nullptr, "Internal Error: Deserialization of error message failed - premature end of data (stack)");
}
std::vector<std::string> substrings;
substrings.reserve(5);
for (std::string::size_type pos = 0; pos < temp.size() && substrings.size() < 5; ++pos) {
if (substrings.size() == 4) {
substrings.push_back(temp.substr(pos));
break;
}
const std::string::size_type start = pos;
pos = temp.find('\t', pos);
if (pos == std::string::npos) {
substrings.push_back(temp.substr(start));
break;
}
substrings.push_back(temp.substr(start, pos - start));
}
if (substrings.size() < 4)
throw InternalError(nullptr, "Internal Error: Deserializing of error message failed");
// (*loc).line << '\t' << (*loc).column << '\t' << (*loc).getfile(false) << '\t' << loc->getOrigFile(false) << '\t' << loc->getinfo();
std::string info;
if (substrings.size() == 5)
info = std::move(substrings[4]);
ErrorMessage::FileLocation loc(substrings[3], std::move(info), strToInt<int>(substrings[0]), strToInt<unsigned int>(substrings[1]));
loc.setfile(std::move(substrings[2]));
callStack.push_back(std::move(loc));
if (callStack.size() >= stackSize)
break;
}
}
std::string ErrorMessage::getXMLHeader(std::string productName)
{
const auto nameAndVersion = Settings::getNameAndVersion(productName);
productName = nameAndVersion.first;
const std::string version = nameAndVersion.first.empty() ? CppCheck::version() : nameAndVersion.second;
tinyxml2::XMLPrinter printer;
// standard xml header
printer.PushDeclaration("xml version=\"1.0\" encoding=\"UTF-8\"");
// header
printer.OpenElement("results", false);
printer.PushAttribute("version", 2);
printer.OpenElement("cppcheck", false);
if (!productName.empty())
printer.PushAttribute("product-name", productName.c_str());
printer.PushAttribute("version", version.c_str());
printer.CloseElement(false);
printer.OpenElement("errors", false);
return std::string(printer.CStr()) + '>';
}
std::string ErrorMessage::getXMLFooter()
{
return " </errors>\n</results>";
}
// There is no utf-8 support around but the strings should at least be safe for to tinyxml2.
// See #5300 "Invalid encoding in XML output" and #6431 "Invalid XML created - Invalid encoding of string literal "
std::string ErrorMessage::fixInvalidChars(const std::string& raw)
{
std::string result;
result.reserve(raw.length());
std::string::const_iterator from=raw.cbegin();
while (from!=raw.cend()) {
if (std::isprint(static_cast<unsigned char>(*from))) {
result.push_back(*from);
} else {
std::ostringstream es;
// straight cast to (unsigned) doesn't work out.
const unsigned uFrom = (unsigned char)*from;
es << '\\' << std::setbase(8) << std::setw(3) << std::setfill('0') << uFrom;
result += es.str();
}
++from;
}
return result;
}
std::string ErrorMessage::toXML() const
{
tinyxml2::XMLPrinter printer(nullptr, false, 2);
printer.OpenElement("error", false);
printer.PushAttribute("id", id.c_str());
printer.PushAttribute("severity", severityToString(severity).c_str());
printer.PushAttribute("msg", fixInvalidChars(mShortMessage).c_str());
printer.PushAttribute("verbose", fixInvalidChars(mVerboseMessage).c_str());
if (cwe.id)
printer.PushAttribute("cwe", cwe.id);
if (hash)
printer.PushAttribute("hash", std::to_string(hash).c_str());
if (certainty == Certainty::inconclusive)
printer.PushAttribute("inconclusive", "true");
if (!file0.empty())
printer.PushAttribute("file0", file0.c_str());
if (!remark.empty())
printer.PushAttribute("remark", fixInvalidChars(remark).c_str());
for (std::list<FileLocation>::const_reverse_iterator it = callStack.crbegin(); it != callStack.crend(); ++it) {
printer.OpenElement("location", false);
printer.PushAttribute("file", it->getfile().c_str());
printer.PushAttribute("line", std::max(it->line,0));
printer.PushAttribute("column", it->column);
if (!it->getinfo().empty())
printer.PushAttribute("info", fixInvalidChars(it->getinfo()).c_str());
printer.CloseElement(false);
}
for (std::string::size_type pos = 0; pos < mSymbolNames.size();) {
const std::string::size_type pos2 = mSymbolNames.find('\n', pos);
std::string symbolName;
if (pos2 == std::string::npos) {
symbolName = mSymbolNames.substr(pos);
pos = pos2;
} else {
symbolName = mSymbolNames.substr(pos, pos2-pos);
pos = pos2 + 1;
}
printer.OpenElement("symbol", false);
printer.PushText(symbolName.c_str());
printer.CloseElement(false);
}
printer.CloseElement(false);
return printer.CStr();
}
// TODO: read info from some shared resource instead?
static std::string readCode(const std::string &file, int linenr, int column, const char endl[])
{
std::ifstream fin(file);
std::string line;
while (linenr > 0 && std::getline(fin,line)) {
linenr--;
}
const std::string::size_type endPos = line.find_last_not_of("\r\n\t ");
if (endPos + 1 < line.size())
line.erase(endPos + 1);
std::string::size_type pos = 0;
while ((pos = line.find('\t', pos)) != std::string::npos)
line[pos] = ' ';
return line + endl + std::string((column>0 ? column-1 : 0), ' ') + '^';
}
static void replaceSpecialChars(std::string& source)
{
// Support a few special characters to allow to specific formatting, see http://sourceforge.net/apps/phpbb/cppcheck/viewtopic.php?f=4&t=494&sid=21715d362c0dbafd3791da4d9522f814
// Substitution should be done first so messages from cppcheck never get translated.
static const std::unordered_map<char, std::string> substitutionMap = {
{'b', "\b"},
{'n', "\n"},
{'r', "\r"},
{'t', "\t"}
};
std::string::size_type index = 0;
while ((index = source.find('\\', index)) != std::string::npos) {
const char searchFor = source[index+1];
const auto it = substitutionMap.find(searchFor);
if (it == substitutionMap.end()) {
index += 1;
continue;
}
const std::string& replaceWith = it->second;
source.replace(index, 2, replaceWith);
index += replaceWith.length();
}
}
static void replace(std::string& source, const std::unordered_map<std::string, std::string> &substitutionMap)
{
std::string::size_type index = 0;
while ((index = source.find('{', index)) != std::string::npos) {
const std::string::size_type end = source.find('}', index);
if (end == std::string::npos)
break;
const std::string searchFor = source.substr(index, end-index+1);
const auto it = substitutionMap.find(searchFor);
if (it == substitutionMap.end()) {
index += 1;
continue;
}
const std::string& replaceWith = it->second;
source.replace(index, searchFor.length(), replaceWith);
index += replaceWith.length();
}
}
static void replaceColors(std::string& source) {
// TODO: colors are not applied when either stdout or stderr is not a TTY because we resolve them before the stream usage
static const std::unordered_map<std::string, std::string> substitutionMap =
{
{"{reset}", ::toString(Color::Reset)},
{"{bold}", ::toString(Color::Bold)},
{"{dim}", ::toString(Color::Dim)},
{"{red}", ::toString(Color::FgRed)},
{"{green}", ::toString(Color::FgGreen)},
{"{blue}", ::toString(Color::FgBlue)},
{"{magenta}", ::toString(Color::FgMagenta)},
{"{default}", ::toString(Color::FgDefault)},
};
replace(source, substitutionMap);
}
// TODO: remove default parameters
std::string ErrorMessage::toString(bool verbose, const std::string &templateFormat, const std::string &templateLocation) const
{
// Save this ErrorMessage in plain text.
// TODO: should never happen - remove this
// No template is given
// (not 100%) equivalent templateFormat: {callstack} ({severity}{inconclusive:, inconclusive}) {message}
if (templateFormat.empty()) {
std::string text;
if (!callStack.empty()) {
text += ErrorLogger::callStackToString(callStack);
text += ": ";
}
if (severity != Severity::none) {
text += '(';
text += severityToString(severity);
if (certainty == Certainty::inconclusive)
text += ", inconclusive";
text += ") ";
}
text += (verbose ? mVerboseMessage : mShortMessage);
return text;
}
// template is given. Reformat the output according to it
std::string result = templateFormat;
findAndReplace(result, "{id}", id);
std::string::size_type pos1 = result.find("{inconclusive:");
while (pos1 != std::string::npos) {
const std::string::size_type pos2 = result.find('}', pos1+1);
const std::string replaceFrom = result.substr(pos1,pos2-pos1+1);
const std::string replaceWith = (certainty == Certainty::inconclusive) ? result.substr(pos1+14, pos2-pos1-14) : std::string();
findAndReplace(result, replaceFrom, replaceWith);
pos1 = result.find("{inconclusive:", pos1);
}
findAndReplace(result, "{severity}", severityToString(severity));
findAndReplace(result, "{cwe}", std::to_string(cwe.id));
findAndReplace(result, "{message}", verbose ? mVerboseMessage : mShortMessage);
findAndReplace(result, "{remark}", remark);
if (!callStack.empty()) {
if (result.find("{callstack}") != std::string::npos)
findAndReplace(result, "{callstack}", ErrorLogger::callStackToString(callStack));
findAndReplace(result, "{file}", callStack.back().getfile());
findAndReplace(result, "{line}", std::to_string(callStack.back().line));
findAndReplace(result, "{column}", std::to_string(callStack.back().column));
if (result.find("{code}") != std::string::npos) {
const std::string::size_type pos = result.find('\r');
const char *endl;
if (pos == std::string::npos)
endl = "\n";
else if (pos+1 < result.size() && result[pos+1] == '\n')
endl = "\r\n";
else
endl = "\r";
findAndReplace(result, "{code}", readCode(callStack.back().getOrigFile(), callStack.back().line, callStack.back().column, endl));
}
} else {
static const std::unordered_map<std::string, std::string> callStackSubstitutionMap =
{
{"{callstack}", ""},
{"{file}", "nofile"},
{"{line}", "0"},
{"{column}", "0"},
{"{code}", ""}
};
replace(result, callStackSubstitutionMap);
}
if (!templateLocation.empty() && callStack.size() >= 2U) {
for (const FileLocation &fileLocation : callStack) {
std::string text = templateLocation;
findAndReplace(text, "{file}", fileLocation.getfile());
findAndReplace(text, "{line}", std::to_string(fileLocation.line));
findAndReplace(text, "{column}", std::to_string(fileLocation.column));
findAndReplace(text, "{info}", fileLocation.getinfo().empty() ? mShortMessage : fileLocation.getinfo());
if (text.find("{code}") != std::string::npos) {
const std::string::size_type pos = text.find('\r');
const char *endl;
if (pos == std::string::npos)
endl = "\n";
else if (pos+1 < text.size() && text[pos+1] == '\n')
endl = "\r\n";
else
endl = "\r";
findAndReplace(text, "{code}", readCode(fileLocation.getOrigFile(), fileLocation.line, fileLocation.column, endl));
}
result += '\n' + text;
}
}
return result;
}
std::string ErrorLogger::callStackToString(const std::list<ErrorMessage::FileLocation> &callStack)
{
std::string str;
for (std::list<ErrorMessage::FileLocation>::const_iterator tok = callStack.cbegin(); tok != callStack.cend(); ++tok) {
str += (tok == callStack.cbegin() ? "" : " -> ");
str += tok->stringify();
}
return str;
}
ErrorMessage::FileLocation::FileLocation(const Token* tok, const TokenList* tokenList)
: fileIndex(tok->fileIndex()), line(tok->linenr()), column(tok->column()), mOrigFileName(tokenList->getOrigFile(tok)), mFileName(tokenList->file(tok))
{}
ErrorMessage::FileLocation::FileLocation(const Token* tok, std::string info, const TokenList* tokenList)
: fileIndex(tok->fileIndex()), line(tok->linenr()), column(tok->column()), mOrigFileName(tokenList->getOrigFile(tok)), mFileName(tokenList->file(tok)), mInfo(std::move(info))
{}
std::string ErrorMessage::FileLocation::getfile(bool convert) const
{
if (convert)
return Path::toNativeSeparators(mFileName);
return mFileName;
}
std::string ErrorMessage::FileLocation::getOrigFile(bool convert) const
{
if (convert)
return Path::toNativeSeparators(mOrigFileName);
return mOrigFileName;
}
void ErrorMessage::FileLocation::setfile(std::string file)
{
mFileName = Path::simplifyPath(std::move(file));
}
std::string ErrorMessage::FileLocation::stringify() const
{
std::string str;
str += '[';
str += Path::toNativeSeparators(mFileName);
if (line != SuppressionList::Suppression::NO_LINE) {
str += ':';
str += std::to_string(line);
}
str += ']';
return str;
}
std::string ErrorLogger::toxml(const std::string &str)
{
std::string xml;
for (const unsigned char c : str) {
switch (c) {
case '<':
xml += "<";
break;
case '>':
xml += ">";
break;
case '&':
xml += "&";
break;
case '\"':
xml += """;
break;
case '\'':
xml += "'";
break;
case '\0':
xml += "\\0";
break;
default:
if (c >= ' ' && c <= 0x7f)
xml += c;
else
xml += 'x';
break;
}
}
return xml;
}
std::string ErrorLogger::plistHeader(const std::string &version, const std::vector<std::string> &files)
{
std::ostringstream ostr;
ostr << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n"
<< "<!DOCTYPE plist PUBLIC \"-//Apple Computer//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\r\n"
<< "<plist version=\"1.0\">\r\n"
<< "<dict>\r\n"
<< " <key>clang_version</key>\r\n"
<< "<string>cppcheck version " << version << "</string>\r\n"
<< " <key>files</key>\r\n"
<< " <array>\r\n";
for (const std::string & file : files)
ostr << " <string>" << ErrorLogger::toxml(file) << "</string>\r\n";
ostr << " </array>\r\n"
<< " <key>diagnostics</key>\r\n"
<< " <array>\r\n";
return ostr.str();
}
static std::string plistLoc(const char indent[], const ErrorMessage::FileLocation &loc)
{
std::ostringstream ostr;
ostr << indent << "<dict>\r\n"
<< indent << ' ' << "<key>line</key><integer>" << loc.line << "</integer>\r\n"
<< indent << ' ' << "<key>col</key><integer>" << loc.column << "</integer>\r\n"
<< indent << ' ' << "<key>file</key><integer>" << loc.fileIndex << "</integer>\r\n"
<< indent << "</dict>\r\n";
return ostr.str();
}
std::string ErrorLogger::plistData(const ErrorMessage &msg)
{
std::ostringstream plist;
plist << " <dict>\r\n"
<< " <key>path</key>\r\n"
<< " <array>\r\n";
std::list<ErrorMessage::FileLocation>::const_iterator prev = msg.callStack.cbegin();
for (std::list<ErrorMessage::FileLocation>::const_iterator it = msg.callStack.cbegin(); it != msg.callStack.cend(); ++it) {
if (prev != it) {
plist << " <dict>\r\n"
<< " <key>kind</key><string>control</string>\r\n"
<< " <key>edges</key>\r\n"
<< " <array>\r\n"
<< " <dict>\r\n"
<< " <key>start</key>\r\n"
<< " <array>\r\n"
<< plistLoc(" ", *prev)
<< plistLoc(" ", *prev)
<< " </array>\r\n"
<< " <key>end</key>\r\n"
<< " <array>\r\n"
<< plistLoc(" ", *it)
<< plistLoc(" ", *it)
<< " </array>\r\n"
<< " </dict>\r\n"
<< " </array>\r\n"
<< " </dict>\r\n";
prev = it;
}
std::list<ErrorMessage::FileLocation>::const_iterator next = it;
++next;
const std::string message = (it->getinfo().empty() && next == msg.callStack.cend() ? msg.shortMessage() : it->getinfo());
plist << " <dict>\r\n"
<< " <key>kind</key><string>event</string>\r\n"
<< " <key>location</key>\r\n"
<< plistLoc(" ", *it)
<< " <key>ranges</key>\r\n"
<< " <array>\r\n"
<< " <array>\r\n"
<< plistLoc(" ", *it)
<< plistLoc(" ", *it)
<< " </array>\r\n"
<< " </array>\r\n"
<< " <key>depth</key><integer>0</integer>\r\n"
<< " <key>extended_message</key>\r\n"
<< " <string>" << ErrorLogger::toxml(message) << "</string>\r\n"
<< " <key>message</key>\r\n"
<< " <string>" << ErrorLogger::toxml(message) << "</string>\r\n"
<< " </dict>\r\n";
}
plist << " </array>\r\n"
<< " <key>description</key><string>" << ErrorLogger::toxml(msg.shortMessage()) << "</string>\r\n"
<< " <key>category</key><string>" << severityToString(msg.severity) << "</string>\r\n"
<< " <key>type</key><string>" << ErrorLogger::toxml(msg.shortMessage()) << "</string>\r\n"
<< " <key>check_name</key><string>" << msg.id << "</string>\r\n"
<< " <!-- This hash is experimental and going to change! -->\r\n"
<< " <key>issue_hash_content_of_line_in_context</key><string>" << 0 << "</string>\r\n"
<< " <key>issue_context_kind</key><string></string>\r\n"
<< " <key>issue_context</key><string></string>\r\n"
<< " <key>issue_hash_function_offset</key><string></string>\r\n"
<< " <key>location</key>\r\n"
<< plistLoc(" ", msg.callStack.back())
<< " </dict>\r\n";
return plist.str();
}
std::string replaceStr(std::string s, const std::string &from, const std::string &to)
{
std::string::size_type pos1 = 0;
while (pos1 < s.size()) {
pos1 = s.find(from, pos1);
if (pos1 == std::string::npos)
return s;
if (pos1 > 0 && (s[pos1-1] == '_' || std::isalnum(s[pos1-1]))) {
pos1++;
continue;
}
const std::string::size_type pos2 = pos1 + from.size();
if (pos2 >= s.size())
return s.substr(0,pos1) + to;
if (s[pos2] == '_' || std::isalnum(s[pos2])) {
pos1++;
continue;
}
s.replace(pos1, from.size(), to);
pos1 += to.size();
}
return s;
}
void substituteTemplateFormatStatic(std::string& templateFormat)
{
replaceSpecialChars(templateFormat);
replaceColors(templateFormat);
}
void substituteTemplateLocationStatic(std::string& templateLocation)
{
replaceSpecialChars(templateLocation);
replaceColors(templateLocation);
}