1 //===-- LVOptions.cpp -----------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This implements the LVOptions class.
10 //
11 //===----------------------------------------------------------------------===//
12
13 #include "llvm/DebugInfo/LogicalView/Core/LVOptions.h"
14 #include "llvm/DebugInfo/LogicalView/Core/LVReader.h"
15 #include "llvm/Support/Errc.h"
16
17 using namespace llvm;
18 using namespace llvm::logicalview;
19
20 #define DEBUG_TYPE "Options"
21
22 //===----------------------------------------------------------------------===//
23 // Options extracted from the command line.
24 //===----------------------------------------------------------------------===//
25 static LVOptions Options;
getOptions()26 LVOptions *LVOptions::getOptions() { return &Options; }
setOptions(LVOptions * CmdOptions)27 void LVOptions::setOptions(LVOptions *CmdOptions) { Options = *CmdOptions; }
28
resolveDependencies()29 void LVOptions::resolveDependencies() {
30 // Attributes that are classified as standard options.
31 auto StandardAttributes = [&]() {
32 // Set the 'standard' attribute to indicate its associated attributes.
33 setAttributeStandard();
34
35 setAttributeBase();
36 setAttributeCoverage();
37 setAttributeDirectories();
38 setAttributeDiscriminator();
39 setAttributeFilename();
40 setAttributeFiles();
41 setAttributeFormat();
42 setAttributeLanguage();
43 setAttributeLevel();
44 setAttributeProducer();
45 setAttributePublics();
46 setAttributeRange();
47 setAttributeReference();
48 setAttributeZero();
49 };
50
51 // Attributes that are classified as extended options.
52 auto ExtendedAttributes = [&]() {
53 // Set the 'extended' attribute to indicate its associated attributes.
54 setAttributeExtended();
55
56 setAttributeArgument();
57 setAttributeDiscarded();
58 setAttributeEncoded();
59 setAttributeGaps();
60 setAttributeGenerated();
61 setAttributeGlobal();
62 setAttributeInserted();
63 setAttributeLinkage();
64 setAttributeLocal();
65 setAttributeLocation();
66 setAttributeOffset();
67 setAttributePathname();
68 setAttributeQualified();
69 setAttributeQualifier();
70 setAttributeRegister();
71 setAttributeSize();
72 setAttributeSubrange();
73 setAttributeSystem();
74 setAttributeTypename();
75 };
76
77 // '--Attribute=standard' settings.
78 if (getAttributeStandard())
79 StandardAttributes();
80
81 // '--Attribute=extended' settings.
82 if (getAttributeExtended())
83 ExtendedAttributes();
84
85 // '--Attribute=all' settings.
86 if (getAttributeAll()) {
87 StandardAttributes();
88 ExtendedAttributes();
89 }
90
91 // '--attribute=pathname' supersedes '--attribute=filename'.
92 if (getAttributePathname())
93 resetAttributeFilename();
94
95 // Assume '--output=text' as default
96 if (!getOutputText() && !getOutputJson())
97 setOutputText();
98
99 // '--output=all' settings.
100 if (getOutputAll()) {
101 setOutputJson();
102 setOutputSplit();
103 setOutputText();
104 }
105
106 // A view split folder was specified.
107 if (getOutputFolder().length())
108 setOutputSplit();
109
110 // Always use the full pathname with splitted output.
111 if (getOutputSplit())
112 setAttributePathname();
113
114 // '--print=elements' settings.
115 if (getPrintElements()) {
116 setPrintInstructions();
117 setPrintLines();
118 setPrintScopes();
119 setPrintSymbols();
120 setPrintTypes();
121 }
122
123 // '--print=all' settings.
124 if (getPrintAll()) {
125 setPrintInstructions();
126 setPrintLines();
127 setPrintScopes();
128 setPrintSizes();
129 setPrintSymbols();
130 setPrintSummary();
131 setPrintTypes();
132 setPrintWarnings();
133 }
134
135 // '--warning=all' settings.
136 if (getWarningAll()) {
137 setWarningCoverages();
138 setWarningLines();
139 setWarningLocations();
140 setWarningRanges();
141 }
142
143 // '--internal=all' settings.
144 if (getInternalAll()) {
145 setInternalCmdline();
146 setInternalID();
147 setInternalIntegrity();
148 setInternalNone();
149 setInternalTag();
150 }
151
152 // '--compare=all' settings.
153 if (getCompareAll()) {
154 setCompareLines();
155 setCompareScopes();
156 setCompareSymbols();
157 setCompareTypes();
158 }
159
160 // Compare the scopes if a request for compare symbols, types, lines.
161 if (getCompareLines() || getCompareSymbols() || getCompareTypes())
162 setCompareScopes();
163
164 // Generic request for comparison.
165 if (getCompareScopes())
166 setCompareExecute();
167
168 // Print any logical line (debug or instruction).
169 if (getPrintInstructions() || getPrintLines())
170 setPrintAnyLine();
171
172 // Print any logical element (line, scope, symbol or type).
173 if (getPrintAnyLine() || getPrintScopes() || getPrintSymbols() ||
174 getPrintTypes())
175 setPrintAnyElement();
176
177 // Print 'sizes' or 'summary'.
178 if (getPrintSizes() && getPrintSummary())
179 setPrintSizesSummary();
180
181 // Generic request for printing.
182 if (getPrintAll() || getPrintAnyElement() || getPrintSizesSummary() ||
183 getPrintWarnings())
184 setPrintExecute();
185
186 // '--reports=all' settings.
187 if (getReportAll()) {
188 setReportChildren();
189 setReportList();
190 setReportParents();
191 setReportView();
192 }
193
194 // '--report=view' is a shortcut for '--report=parents,children'.
195 if (getReportView()) {
196 setReportChildren();
197 setReportParents();
198 }
199
200 // The report will include: Parents or Children.
201 if (getReportParents() || getReportChildren() || getReportView())
202 setReportAnyView();
203
204 // The report will include: List or Parents or Children.
205 if (getReportList() || getReportAnyView())
206 setReportExecute();
207
208 // If a view or element comparison has been requested, the following options
209 // must be set, in order to get a correct compare:
210 // 1) Sort the CUs, to get a fast compare.
211 // 2) Encode template instantiations, so the names include template
212 // parameter information.
213 // 3) Include qualified types and their sizes.
214 // 4) Include any inserted abstract references.
215 // 5) For added/missing elements add the '+' or '-' tags.
216 if (getCompareExecute()) {
217 resetPrintExecute();
218 setComparePrint();
219 setSortMode(LVSortMode::Line);
220 setAttributeAdded();
221 setAttributeArgument();
222 setAttributeEncoded();
223 setAttributeInserted();
224 setAttributeMissing();
225 setAttributeQualified();
226 setAttributeSize();
227 }
228
229 // Enable formatting for printing (indentation, print children).
230 setPrintFormatting();
231
232 // These attributes are dependent on the capture of location information.
233 if (getAttributeCoverage() || getAttributeGaps() || getAttributeRegister())
234 setAttributeLocation();
235
236 // Location information is only relevant when printing symbols.
237 if (!getPrintSymbols()) {
238 resetAttributeCoverage();
239 resetAttributeGaps();
240 resetAttributeLocation();
241 resetAttributeRegister();
242 }
243
244 // Quick check for printing any element source information.
245 if (getAttributeFilename() || getAttributePathname())
246 setAttributeAnySource();
247
248 // Quick check for printing any location information.
249 if (getAttributeLocation() || getAttributeRange())
250 setAttributeAnyLocation();
251
252 if (getAttributeRange() || getPrintAnyLine())
253 setGeneralCollectRanges();
254
255 calculateIndentationSize();
256
257 // Print collected command line options.
258 LLVM_DEBUG({ dump(); });
259 }
260
calculateIndentationSize()261 void LVOptions::calculateIndentationSize() {
262 if (getInternalID()) {
263 std::string String = hexSquareString(0);
264 IndentationSize += String.length();
265 }
266 if (getCompareExecute() && (getAttributeAdded() || getAttributeMissing()))
267 ++IndentationSize;
268 if (getAttributeOffset()) {
269 std::string String = hexSquareString(0);
270 IndentationSize += String.length();
271 }
272 if (getAttributeLevel()) {
273 std::stringstream Stream;
274 Stream.str(std::string());
275 Stream << "[" << std::setfill('0') << std::setw(3) << 0 << "]";
276 IndentationSize += Stream.tellp();
277 }
278 if (getAttributeGlobal())
279 ++IndentationSize;
280 }
281
282 // Print the current values for all the options, after the dependencies
283 // has been resolved.
print(raw_ostream & OS) const284 void LVOptions::print(raw_ostream &OS) const {
285 // --attribute
286 OS << "** Attributes **\n"
287 << "All: " << getAttributeAll() << ", "
288 << "Argument: " << getAttributeArgument() << ", "
289 << "Base: " << getAttributeBase() << ", "
290 << "Coverage: " << getAttributeCoverage() << "\n"
291 << "Directories: " << getAttributeDirectories() << ", "
292 << "Discarded: " << getAttributeDiscarded() << ", "
293 << "Discriminator: " << getAttributeDiscriminator() << ", "
294 << "Encoded: " << getAttributeEncoded() << "\n"
295 << "Extended: " << getAttributeExtended() << ", "
296 << "Filename: " << getAttributeFilename() << ", "
297 << "Files: " << getAttributeFiles() << ", "
298 << "Format: " << getAttributeFormat() << "\n"
299 << "Gaps: " << getAttributeGaps() << ", "
300 << "Generated: " << getAttributeGenerated() << ", "
301 << "Global: " << getAttributeGlobal() << ", "
302 << "Inserted: " << getAttributeInserted() << "\n"
303 << "Level: " << getAttributeLevel() << ", "
304 << "Linkage: " << getAttributeLinkage() << ", "
305 << "Local: " << getAttributeLocal() << ", "
306 << "Location: " << getAttributeLocation() << "\n"
307 << "Offset: " << getAttributeOffset() << ", "
308 << "Pathname: " << getAttributePathname() << ", "
309 << "Producer: " << getAttributeProducer() << ", "
310 << "Publics: " << getAttributePublics() << "\n"
311 << "Qualified: " << getAttributeQualified() << ", "
312 << "Qualifier: " << getAttributeQualifier() << ", "
313 << "Range: " << getAttributeRange() << ", "
314 << "Reference: " << getAttributeReference() << "\n"
315 << "Register: " << getAttributeRegister() << ", "
316 << "Size: " << getAttributeSize() << ", "
317 << "Standard: " << getAttributeStandard() << ", "
318 << "Subrange: " << getAttributeSubrange() << "\n"
319 << "System: " << getAttributeSystem() << ", "
320 << "Typename: " << getAttributeTypename() << ", "
321 << "Underlying: " << getAttributeUnderlying() << ", "
322 << "Zero: " << getAttributeZero() << "\n";
323 OS << "Added: " << getAttributeAdded() << ", "
324 << "AnyLocation: " << getAttributeAnyLocation() << ", "
325 << "AnySource: " << getAttributeAnySource() << ", "
326 << "Missing: " << getAttributeMissing() << "\n"
327 << "\n";
328
329 // --compare
330 OS << "** Compare **\n"
331 << "All: " << getCompareAll() << ", "
332 << "Lines: " << getCompareLines() << ", "
333 << "Scopes: " << getCompareScopes() << ", "
334 << "Symbols: " << getCompareSymbols() << ", "
335 << "Types: " << getCompareTypes() << "\n";
336 OS << "Context: " << getCompareContext() << ", "
337 << "Execute: " << getCompareExecute() << ", "
338 << "Print: " << getComparePrint() << "\n"
339 << "\n";
340
341 // --print
342 OS << "** Print **\n"
343 << "All: " << getPrintAll() << ", "
344 << "Elements: " << getPrintElements() << ", "
345 << "Instructions: " << getPrintInstructions() << ", "
346 << "Lines: " << getPrintLines() << "\n"
347 << "Scopes: " << getPrintScopes() << ", "
348 << "Sizes: " << getPrintSizes() << ", "
349 << "Summary: " << getPrintSummary() << ", "
350 << "Symbols: " << getPrintSymbols() << "\n"
351 << "Types: " << getPrintTypes() << ", "
352 << "Warnings: " << getPrintWarnings() << "\n";
353 OS << "AnyElemeny: " << getPrintAnyElement() << ", "
354 << "AnyLine: " << getPrintAnyLine() << ", "
355 << "Execute: " << getPrintExecute() << ", "
356 << "Formatting: " << getPrintFormatting() << "\n"
357 << "Offset: " << getPrintOffset() << ", "
358 << "SizesSummary: " << getPrintSizesSummary() << "\n"
359 << "\n";
360
361 // --report
362 OS << "** Report **\n"
363 << "All: " << getReportAll() << ", "
364 << "Children: " << getReportChildren() << ", "
365 << "List: " << getReportList() << ", "
366 << "Parents: " << getReportParents() << ", "
367 << "View: " << getReportView() << "\n";
368 OS << "AnyView: " << getReportAnyView() << ", "
369 << "Execute: " << getReportExecute() << "\n"
370 << "\n";
371
372 // --select
373 OS << "** Select **\n"
374 << "IgnoreCase: " << getSelectIgnoreCase() << ", "
375 << "UseRegex: " << getSelectUseRegex() << ", "
376 << "Execute: " << getSelectExecute() << ", "
377 << "GenericKind: " << getSelectGenericKind() << "\n"
378 << "GenericPattern: " << getSelectGenericPattern() << ", "
379 << "OffsetPattern: " << getSelectOffsetPattern() << "\n"
380 << "\n";
381
382 // --warning
383 OS << "** Warning **\n"
384 << "All: " << getWarningAll() << ", "
385 << "Coverage: " << getWarningCoverages() << ", "
386 << "Lines: " << getWarningLines() << ", "
387 << "Locations: " << getWarningLocations() << ", "
388 << "Ranges: " << getWarningRanges() << "\n"
389 << "\n";
390
391 // --internal
392 OS << "** Internal **\n"
393 << "All: " << Options.getInternalAll() << ", "
394 << "Cmdline: " << Options.getInternalCmdline() << ", "
395 << "ID: " << Options.getInternalID() << ", "
396 << "Integrity: " << Options.getInternalIntegrity() << ", "
397 << "None: " << Options.getInternalNone() << "\n"
398 << "Tag: " << Options.getInternalTag() << "\n"
399 << "\n";
400 }
401
402 //===----------------------------------------------------------------------===//
403 // Logical element selection using patterns.
404 //===----------------------------------------------------------------------===//
getPatterns()405 LVPatterns *LVPatterns::getPatterns() {
406 static LVPatterns Patterns;
407 return &Patterns;
408 }
409
createMatchEntry(LVMatchInfo & Filters,StringRef Pattern,bool IgnoreCase,bool UseRegex)410 Error LVPatterns::createMatchEntry(LVMatchInfo &Filters, StringRef Pattern,
411 bool IgnoreCase, bool UseRegex) {
412 LVMatch Match;
413 // Process pattern as regular expression.
414 if (UseRegex) {
415 Match.Pattern = std::string(Pattern);
416 if (Pattern.size()) {
417 Match.RE = std::make_shared<Regex>(Pattern, IgnoreCase ? Regex::IgnoreCase
418 : Regex::NoFlags);
419 std::string Error;
420 if (!Match.RE->isValid(Error))
421 return createStringError(errc::invalid_argument,
422 "Error in regular expression: %s",
423 Error.c_str());
424
425 Match.Mode = LVMatchMode::Regex;
426 Filters.push_back(Match);
427 return Error::success();
428 }
429 }
430
431 // Process pattern as an exact string match, depending on the case.
432 Match.Pattern = std::string(Pattern);
433 if (Match.Pattern.size()) {
434 Match.Mode = IgnoreCase ? LVMatchMode::NoCase : LVMatchMode::Match;
435 Filters.push_back(Match);
436 }
437
438 return Error::success();
439 }
440
addGenericPatterns(StringSet<> & Patterns)441 void LVPatterns::addGenericPatterns(StringSet<> &Patterns) {
442 addPatterns(Patterns, GenericMatchInfo);
443 if (GenericMatchInfo.size()) {
444 options().setSelectGenericPattern();
445 options().setSelectExecute();
446 }
447 }
448
addOffsetPatterns(const LVOffsetSet & Patterns)449 void LVPatterns::addOffsetPatterns(const LVOffsetSet &Patterns) {
450 llvm::append_range(OffsetMatchInfo, Patterns);
451 if (OffsetMatchInfo.size()) {
452 options().setSelectOffsetPattern();
453 options().setSelectExecute();
454 }
455 }
456
addPatterns(StringSet<> & Patterns,LVMatchInfo & Filters)457 void LVPatterns::addPatterns(StringSet<> &Patterns, LVMatchInfo &Filters) {
458 bool IgnoreCase = options().getSelectIgnoreCase();
459 bool UseRegex = options().getSelectUseRegex();
460 for (const StringSet<>::value_type &Entry : Patterns) {
461 StringRef Pattern = Entry.first();
462 if (Error Err = createMatchEntry(Filters, Pattern, IgnoreCase, UseRegex))
463 consumeError(std::move(Err));
464 }
465
466 LLVM_DEBUG({
467 dbgs() << "\nPattern Information:\n";
468 for (LVMatch &Match : Filters)
469 dbgs() << "Mode: "
470 << (Match.Mode == LVMatchMode::Match ? "Match" : "Regex")
471 << " Pattern: '" << Match.Pattern << "'\n";
472 });
473 }
474
addElement(LVElement * Element)475 void LVPatterns::addElement(LVElement *Element) {
476 // Mark any element that matches a given pattern.
477 Element->setIsMatched();
478 options().setSelectExecute();
479 if (options().getReportList())
480 getReaderCompileUnit()->addMatched(Element);
481 if (options().getReportAnyView()) {
482 getReaderCompileUnit()->addMatched(Element->getIsScope()
483 ? static_cast<LVScope *>(Element)
484 : Element->getParentScope());
485 // Mark element as matched.
486 if (!Element->getIsScope())
487 Element->setHasPattern();
488 }
489 }
490
updateReportOptions()491 void LVPatterns::updateReportOptions() {
492 if (ElementRequest.size() || LineRequest.size() || ScopeRequest.size() ||
493 SymbolRequest.size() || TypeRequest.size()) {
494 options().setSelectGenericKind();
495 options().setSelectExecute();
496 }
497
498 // If we have selected requests and there are no specified report options,
499 // assume the 'details' option.
500 if (options().getSelectExecute() && !options().getReportExecute()) {
501 options().setReportExecute();
502 options().setReportList();
503 }
504 }
505
506 // Match a general pattern.
matchPattern(StringRef Input,const LVMatchInfo & MatchInfo)507 bool LVPatterns::matchPattern(StringRef Input, const LVMatchInfo &MatchInfo) {
508 bool Matched = false;
509 // Do not match an empty 'Input'.
510 if (Input.empty())
511 return Matched;
512 // Traverse all match specifications.
513 for (const LVMatch &Match : MatchInfo) {
514 switch (Match.Mode) {
515 case LVMatchMode::Match:
516 Matched = Input == Match.Pattern;
517 break;
518 case LVMatchMode::NoCase:
519 Matched = Input.equals_insensitive(Match.Pattern);
520 break;
521 case LVMatchMode::Regex:
522 Matched = Match.RE->match(Input);
523 break;
524 default:
525 break;
526 }
527 // Return if we have a match.
528 if (Matched)
529 return true;
530 }
531 return Matched;
532 }
533
printElement(const LVLine * Line) const534 bool LVPatterns::printElement(const LVLine *Line) const {
535 return (options().getPrintLines() && Line->getIsLineDebug()) ||
536 (options().getPrintInstructions() && Line->getIsLineAssembler());
537 }
538
printObject(const LVLocation * Location) const539 bool LVPatterns::printObject(const LVLocation *Location) const {
540 if (options().getAttributeAll())
541 return true;
542 bool DoPrint = options().getAttributeAnyLocation();
543 // Consider the case of filler locations.
544 if (DoPrint && Location && Location->getIsGapEntry())
545 DoPrint = options().getAttributeGaps();
546 return DoPrint;
547 }
548
printElement(const LVScope * Scope) const549 bool LVPatterns::printElement(const LVScope *Scope) const {
550 // A scope will be printed depending on the following rules:
551 // - Request to print scopes.
552 // - Request to print any of its children.
553 // - If the scope is Root or CompileUnit:
554 // Request to print summary, sizes or warnings.
555 return options().getPrintScopes() ||
556 (options().getPrintSymbols() && Scope->getHasSymbols()) ||
557 (options().getPrintAnyLine() && Scope->getHasLines()) ||
558 (options().getPrintTypes() && Scope->getHasTypes()) ||
559 ((options().getPrintSizesSummary() || options().getPrintWarnings()) &&
560 (Scope->getIsRoot() || Scope->getIsCompileUnit()));
561 }
562
printElement(const LVSymbol * Symbol) const563 bool LVPatterns::printElement(const LVSymbol *Symbol) const {
564 // Print compiler generated symbols only if command line option.
565 if (Symbol->getIsArtificial())
566 return options().getAttributeGenerated() && options().getPrintSymbols();
567 return options().getPrintSymbols();
568 }
569
printElement(const LVType * Type) const570 bool LVPatterns::printElement(const LVType *Type) const {
571 // Print array subranges only if print types is requested.
572 if (Type->getIsSubrange())
573 return options().getAttributeSubrange() && options().getPrintTypes();
574 return options().getPrintTypes();
575 }
576
print(raw_ostream & OS) const577 void LVPatterns::print(raw_ostream &OS) const {
578 OS << "LVPatterns\n";
579 LLVM_DEBUG(dbgs() << "Print Patterns\n");
580 }
581