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SelectionRules.cxx
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1// @(#)root/core/utils:$Id: SelectionRules.cxx 41697 2011-11-01 21:03:41Z pcanal $
2// Author: Velislava Spasova September 2010
3
4/*************************************************************************
5 * Copyright (C) 1995-2011, Rene Brun and Fons Rademakers. *
6 * All rights reserved. *
7 * *
8 * For the licensing terms see $ROOTSYS/LICENSE. *
9 * For the list of contributors see $ROOTSYS/README/CREDITS. *
10 *************************************************************************/
11
12/**
13\class SelectionRules
14The class representing the collection of selection rules.
15*/
16
17#include <iostream>
18#include <sstream>
19#include <algorithm>
20#ifndef WIN32
21#include <fnmatch.h>
22#else
23#include "Shlwapi.h"
24#define fnmatch(glob, path, dummy) PathMatchSpecA(path, glob);
25#endif
26#include "RtypesCore.h"
27#include "SelectionRules.h"
28#include "llvm/Support/raw_ostream.h"
29#include "clang/Basic/SourceLocation.h"
30#include "clang/Basic/SourceManager.h"
31#include "clang/AST/ASTContext.h"
32#include "clang/AST/DeclCXX.h"
33#include "clang/AST/DeclTemplate.h"
34
35#include "cling/Interpreter/Interpreter.h"
36
37const clang::CXXRecordDecl *R__ScopeSearch(const char *name, const clang::Type** resultType = nullptr) ;
38
40{
42 fClassSelectionRules.push_front(classSel);
43 if (!classSel.HasInterpreter())
44 fClassSelectionRules.begin()->SetInterpreter(fInterp);
45 if (classSel.GetIndex() < 0)
46 fClassSelectionRules.begin()->SetIndex(fRulesCounter);
47}
48
50{
52 fFunctionSelectionRules.push_back(funcSel);
53 if (!funcSel.HasInterpreter())
54 fFunctionSelectionRules.begin()->SetInterpreter(fInterp);
55 if (funcSel.GetIndex() < 0)
56 fFunctionSelectionRules.begin()->SetIndex(fRulesCounter);
57}
58
60{
62 fVariableSelectionRules.push_back(varSel);
63 if (!varSel.HasInterpreter())
64 fVariableSelectionRules.begin()->SetInterpreter(fInterp);
65 if (varSel.GetIndex() < 0)
66 fVariableSelectionRules.begin()->SetIndex(fRulesCounter);
67}
68
70{
72 fEnumSelectionRules.push_back(enumSel);
73 if (!enumSel.HasInterpreter())
74 fEnumSelectionRules.begin()->SetInterpreter(fInterp);
75 if (enumSel.GetIndex() < 0)
76 fEnumSelectionRules.begin()->SetIndex( fRulesCounter );
77}
78
80{
81 std::cout<<"Printing Selection Rules:"<<std::endl;
82 if (!fClassSelectionRules.empty()) {
83 int i = 0;
84 for(std::list<ClassSelectionRule>::const_iterator it = fClassSelectionRules.begin();
85 it != fClassSelectionRules.end(); ++it, ++i) {
86 std::cout<<"\tClass sel rule "<<i<<":"<<std::endl;
87 std::cout<< *it;
88 }
89 }
90 else {
91 std::cout<<"\tNo Class Selection Rules"<<std::endl;
92 }
93
94 if (!fFunctionSelectionRules.empty()) {
95 //std::cout<<""<<std::endl;
96 std::list<FunctionSelectionRule>::const_iterator it2;
97 int i = 0;
98
99 for (it2 = fFunctionSelectionRules.begin(); it2 != fFunctionSelectionRules.end(); ++it2, ++i) {
100 std::cout<<"\tFunction sel rule "<<i<<":"<<std::endl;
101 std::cout<<"\t\tSelected: ";
102 switch(it2->GetSelected()){
103 case BaseSelectionRule::kYes: std::cout<<"Yes"<<std::endl;
104 break;
105 case BaseSelectionRule::kNo: std::cout<<"No"<<std::endl;
106 break;
107 case BaseSelectionRule::kDontCare: std::cout<<"Don't Care"<<std::endl;
108 break;
109 default: std::cout<<"Unspecified"<<std::endl;
110 }
111 it2->PrintAttributes(std::cout,2);
112 }
113 }
114 else {
115 std::cout<<"\tNo function sel rules"<<std::endl;
116 }
117
118 if (!fVariableSelectionRules.empty()) {
119 std::list<VariableSelectionRule>::const_iterator it3;
120 int i = 0;
121
122 for (it3 = fVariableSelectionRules.begin(); it3 != fVariableSelectionRules.end(); ++it3, ++i) {
123 std::cout<<"\tVariable sel rule "<<i<<":"<<std::endl;
124 std::cout<<"\t\tSelected: ";
125 switch(it3->GetSelected()){
126 case BaseSelectionRule::kYes: std::cout<<"Yes"<<std::endl;
127 break;
128 case BaseSelectionRule::kNo: std::cout<<"No"<<std::endl;
129 break;
130 case BaseSelectionRule::kDontCare: std::cout<<"Don't Care"<<std::endl;
131 break;
132 default: std::cout<<"Unspecified"<<std::endl;
133 }
134 it3->PrintAttributes(std::cout,2);
135 }
136 }
137 else {
138 std::cout<<"\tNo variable sel rules"<<std::endl;
139 }
140
141 if (!fEnumSelectionRules.empty()) {
142 std::list<EnumSelectionRule>::const_iterator it4;
143 int i = 0;
144
145 for (it4 = fEnumSelectionRules.begin(); it4 != fEnumSelectionRules.end(); ++it4, ++i) {
146 std::cout<<"\tEnum sel rule "<<i<<":"<<std::endl;
147 std::cout<<"\t\tSelected: ";
148 switch(it4->GetSelected()){
149 case BaseSelectionRule::kYes: std::cout<<"Yes"<<std::endl;
150 break;
151 case BaseSelectionRule::kNo: std::cout<<"No"<<std::endl;
152 break;
153 case BaseSelectionRule::kDontCare: std::cout<<"Don't Care"<<std::endl;
154 break;
155 default: std::cout<<"Unspecified"<<std::endl;
156 }
157 it4->PrintAttributes(std::cout,2);
158 }
159 }
160 else {
161 std::cout<<"\tNo enum sel rules"<<std::endl;
162 }
163}
164
166{
167 fClassSelectionRules.clear();
170 fEnumSelectionRules.clear();
171}
172
173template<class RULE>
174static bool HasDuplicate(RULE* rule,
175 std::unordered_map<std::string,RULE*>& storedRules,
176 const std::string& attrName){
177 auto itRetCodePair = storedRules.emplace( attrName, rule );
178
179 auto storedRule = storedRules[attrName];
180
181 if (itRetCodePair.second ||
182 storedRule->GetSelected() != rule->GetSelected()) return false;
183 auto areEqual = SelectionRulesUtils::areEqual(storedRule,rule);
184
185 std::stringstream sstr; sstr << "Rule:\n";
186 rule->Print(sstr);
187 sstr << (areEqual ? "Identical " : "Conflicting ");
188 sstr << "rule already stored:\n";
189 storedRule->Print(sstr);
190 ROOT::TMetaUtils::Warning("SelectionRules::CheckDuplicates",
191 "Duplicated rule found.\n%s",sstr.str().c_str());
192 return !areEqual;
193}
194
195template<class RULESCOLLECTION, class RULE = typename RULESCOLLECTION::value_type>
196static int CheckDuplicatesImp(RULESCOLLECTION& rules){
197 int nDuplicates = 0;
198 std::unordered_map<std::string, RULE*> patterns,names;
199 for (auto&& rule : rules){
200 if (rule.HasAttributeName() && HasDuplicate(&rule,names,rule.GetAttributeName())) nDuplicates++;
201 if (rule.HasAttributePattern() && HasDuplicate(&rule,patterns,rule.GetAttributePattern())) nDuplicates++;
202 }
203 return nDuplicates;
204}
205
207
208 int nDuplicates = 0;
213 if (0 != nDuplicates){
214 ROOT::TMetaUtils::Error("SelectionRules::CheckDuplicates",
215 "Duplicates in rules were found.\n");
216 }
217 return nDuplicates;
218}
219
220static bool Implies(const ClassSelectionRule& patternRule, const ClassSelectionRule& nameRule){
221
222 // Check if these both select or both exclude
223 if (patternRule.GetSelected() != nameRule.GetSelected()) return false;
224
225 // If the two rules are not compatible modulo their name/pattern, bail out
226 auto nAttrsPattern = patternRule.GetAttributes().size();
227 auto nAttrsName = nameRule.GetAttributes().size();
228 if ((nAttrsPattern != 1 || nAttrsName !=1) &&
229 !SelectionRulesUtils::areEqual(&patternRule, &nameRule, true /*moduloNameOrPattern*/)) {
230 return false;
231 }
232
233 auto pattern = patternRule.GetAttributePattern().c_str();
234 auto name = nameRule.GetAttributeName().c_str();
235
236 // Now check if the pattern matches the name
237 auto implies = 0 == fnmatch(pattern, name, FNM_PATHNAME);
238
239 if (implies){
240 static const auto msg = "The pattern rule %s matches the name rule %s. "
241 "Since the name rule has compatible attributes, "
242 "it will be removed: the pattern rule will match the necessary classes if needed.\n";
243
244 ROOT::TMetaUtils::Info("SelectionRules::Optimize", msg, pattern, name);
245 }
246
247
248 return implies;
249
250}
251
253
254 // Remove name rules "implied" by pattern rules
255
256 if (!IsSelectionXMLFile()) return;
257
258 const auto& selectionRules = fClassSelectionRules;
259
260 auto predicate = [&selectionRules](const ClassSelectionRule &rule) -> bool {
261 if (rule.HasAttributeName()) {
262 for (auto&& intRule : selectionRules){
263 if (intRule.HasAttributePattern() && Implies(intRule, rule)) {
264 return true;
265 }
266 }
267 }
268 return false;
269 };
270 fClassSelectionRules.remove_if(predicate);
271}
272
273const ClassSelectionRule *SelectionRules::IsDeclSelected(const clang::RecordDecl *D, bool includeTypedefRule) const
274{
275 std::string qual_name;
276 GetDeclQualName(D,qual_name);
277 return IsClassSelected(D, qual_name, includeTypedefRule);
278}
279
280const ClassSelectionRule *SelectionRules::IsDeclSelected(const clang::TypedefNameDecl *D) const
281{
282 std::string qual_name;
283 GetDeclQualName(D,qual_name);
284 return IsClassSelected(D, qual_name, true);
285}
286
287const ClassSelectionRule *SelectionRules::IsDeclSelected(const clang::NamespaceDecl *D) const
288{
289 std::string qual_name;
290 GetDeclQualName(D,qual_name);
291 return IsNamespaceSelected(D, qual_name);
292}
293
294const BaseSelectionRule *SelectionRules::IsDeclSelected(const clang::EnumDecl *D) const
295{
296 // Currently rootcling does not need any information on enums, except
297 // for the PCM / proto classes that register them to build TEnums without
298 // parsing. This can be removed once (real) PCMs are available.
299 // Note that the code below was *not* properly matching the case
300 // typedef enum { ... } abc;
301 // as the typedef is stored as an anonymous EnumDecl in clang.
302 // It is likely that using a direct lookup on the name would
303 // return the appropriate typedef (and then we would need to
304 // select 'both' the typedef and the anonymous enums.
305
306#if defined(R__MUST_REVISIT)
307# if R__MUST_REVISIT(6,4)
308 "Can become no-op once PCMs are available."
309# endif
310#endif
311
312 std::string str_name; // name of the Decl
313 std::string qual_name; // fully qualified name of the Decl
314 GetDeclName(D, str_name, qual_name);
315
316 if (IsParentClass(D)) {
317 const BaseSelectionRule *selector = IsMemberSelected(D, str_name);
318 if (!selector) // if the parent class is deselected, we could still select the enum
319 return IsEnumSelected(D, qual_name);
320 else // if the parent class is selected so are all nested enums
321 return selector;
322 }
323
324 // Enum is not part of a class
325 else {
326 if (IsLinkdefFile())
327 return IsLinkdefEnumSelected(D, qual_name);
328 return IsEnumSelected(D, qual_name);
329 }
330
331 return nullptr;
332}
333
334const BaseSelectionRule *SelectionRules::IsDeclSelected(const clang::VarDecl* D) const
335{
336 std::string qual_name; // fully qualified name of the Decl
337 GetDeclQualName(D, qual_name);
338
339 if (IsLinkdefFile())
340 return IsLinkdefVarSelected(D, qual_name);
341 else
342 return IsVarSelected(D, qual_name);
343
344}
345
346const BaseSelectionRule *SelectionRules::IsDeclSelected(const clang::FieldDecl* /* D */) const
347{
348 // Currently rootcling does not need any information about fields.
349 return nullptr;
350#if 0
351 std::string str_name; // name of the Decl
352 std::string qual_name; // fully qualified name of the Decl
353 GetDeclName(D, str_name, qual_name);
354
355 return IsMemberSelected(D, str_name);
356#endif
357}
358
359const BaseSelectionRule *SelectionRules::IsDeclSelected(const clang::FunctionDecl* D) const
360{
361 // Implement a simple matching for functions
362 std::string qual_name; // fully qualified name of the Decl
363 GetDeclQualName(D, qual_name);
364 if (IsLinkdefFile())
365 return IsLinkdefFunSelected(D, qual_name);
366 else
367 return IsFunSelected(D, qual_name);
368}
369
370const BaseSelectionRule *SelectionRules::IsDeclSelected(const clang::Decl *D) const
371{
372 if (!D) {
373 return nullptr;
374 }
375
376 clang::Decl::Kind declkind = D->getKind();
377
378 switch (declkind) {
379 case clang::Decl::CXXRecord:
380 case clang::Decl::ClassTemplateSpecialization:
381 case clang::Decl::ClassTemplatePartialSpecialization:
382 // structs, unions and classes are all CXXRecords
383 return IsDeclSelected(llvm::dyn_cast<clang::RecordDecl>(D));
384 case clang::Decl::Namespace:
385 return IsDeclSelected(llvm::dyn_cast<clang::NamespaceDecl>(D));
386 case clang::Decl::Enum:
387 // Enum is part of a class
388 return IsDeclSelected(llvm::dyn_cast<clang::EnumDecl>(D));
389 case clang::Decl::Var:
390 return IsDeclSelected(llvm::dyn_cast<clang::VarDecl>(D));
391#if ROOTCLING_NEEDS_FUNCTIONS_SELECTION
393 return IsDeclSelected(llvm::dyn_cast<clang::FunctionDecl>(D));
394 case clang::Decl::CXXMethod:
395 case clang::Decl::CXXConstructor:
396 case clang::Decl::CXXDestructor: {
397 // std::string proto;
398 // if (GetFunctionPrototype(D,proto))
399 // std::cout<<"\n\tFunction prototype: "<<str_name + proto;
400 // else
401 // std::cout<<"Error in prototype formation";
402 std::string str_name; // name of the Decl
403 std::string qual_name; // fully qualified name of the Decl
404 GetDeclName(D, str_name, qual_name);
405 if (IsLinkdefFile()) {
406 return IsLinkdefMethodSelected(D, qual_name);
407 }
408 return IsMemberSelected(D, str_name);
409 }
410#endif
411 case clang::Decl::Field:
412 return IsDeclSelected(llvm::dyn_cast<clang::FieldDecl>(D));
413 default:
414 // Humm we are not treating this case!
415 return nullptr;
416 }
417
418 // std::string str_name; // name of the Decl
419 // std::string qual_name; // fully qualified name of the Decl
420 // GetDeclName(D, str_name, qual_name);
421 // fprintf(stderr,"IsDeclSelected: %s %s\n", str_name.c_str(), qual_name.c_str());
422}
423
424
425bool SelectionRules::GetDeclName(const clang::Decl* D, std::string& name, std::string& qual_name) const
426{
427 const clang::NamedDecl* N = llvm::dyn_cast<clang::NamedDecl> (D);
428
429 if (!N)
430 return false;
431
432 // the identifier is NULL for some special methods like constructors, destructors and operators
433 if (N->getIdentifier()) {
434 name = N->getNameAsString();
435 }
436 else if (N->isCXXClassMember()) { // for constructors, destructors, operator=, etc. methods
437 name = N->getNameAsString(); // we use this (unefficient) method to Get the name in that case
438 }
439 llvm::raw_string_ostream stream(qual_name);
440 N->getNameForDiagnostic(stream,N->getASTContext().getPrintingPolicy(),true);
441 return true;
442}
443
444void SelectionRules::GetDeclQualName(const clang::Decl* D, std::string& qual_name) const
445{
446 const clang::NamedDecl* N = static_cast<const clang::NamedDecl*> (D);
447 llvm::raw_string_ostream stream(qual_name);
448 if (N)
449 N->getNameForDiagnostic(stream,N->getASTContext().getPrintingPolicy(),true);
450}
451
452bool SelectionRules::GetFunctionPrototype(const clang::FunctionDecl* F, std::string& prototype) const
453{
454
455 if (!F) {
456 return false;
457 }
458
459 const std::vector<std::string> quals={"*","&"};
460
461 prototype = "";
462 // iterate through all the function parameters
463 std::string type;
464 for (auto I = F->param_begin(), E = F->param_end(); I != E; ++I) {
465
466 clang::ParmVarDecl* P = *I;
467
468 if (prototype != "")
469 prototype += ",";
470
472
473 // We need to get rid of the "class " string if present
475 // We need to get rid of the "restrict " string if present
476 ROOT::TMetaUtils::ReplaceAll(type,"restrict", "");
477
478 // pointers are returned in the form "int *" and I need them in the form "int*"
479 // same for &
480 for (auto& qual : quals){
481 auto pos = type.find(" "+qual);
482 if (pos != std::string::npos)
483 type.replace( pos, 2, qual );
484 }
485// for (auto& qual : quals){
486// if (type.at(type.length()-1) == qual && type.at(type.length()-2) == ' ') {
487// type.at(type.length()-2) = qual;
488// type.erase(type.length()-1);
489// }
490// }
491 prototype += type;
492 }
493 prototype = "(" + prototype + ")";
494 return true;
495
496}
497
498
499bool SelectionRules::IsParentClass(const clang::Decl* D) const
500{
501 //TagDecl has methods to understand of what kind is the Decl - class, struct or union
502 if (!D)
503 return false;
504 if (const clang::TagDecl *T = llvm::dyn_cast<clang::TagDecl>(
505 D->getDeclContext()))
506 return T->isClass() || T->isStruct();
507 return false;
508}
509
510
511bool SelectionRules::IsParentClass(const clang::Decl* D, std::string& parent_name, std::string& parent_qual_name) const
512{
513 if (const clang::TagDecl* parent
514 = llvm::dyn_cast<clang::TagDecl>(D->getDeclContext())) {
515 if (parent->isClass()|| parent->isStruct()) {
516 GetDeclName(parent, parent_name, parent_qual_name);
517 return true;
518 }
519 }
520 return false;
521}
522
523bool SelectionRules::GetParentName(const clang::Decl* D, std::string& parent_name, std::string& parent_qual_name) const
524{
525 if (const clang::RecordDecl* parent
526 = llvm::dyn_cast<clang::RecordDecl>(D->getDeclContext())) {
527 GetDeclName(parent, parent_name, parent_qual_name);
528 return true;
529 }
530 return false;
531}
532
533/* This is the method that crashes
534 bool SelectionRules::GetParent(clang::Decl* D, clang::Decl* parent)
535 {
536 clang::DeclContext *ctx = D->GetDeclContext();
537
538 if (ctx->isRecord()){
539 //DEBUG std::cout<<"\n\tDeclContext is Record";
540 parent = llvm::dyn_cast<clang::Decl> (ctx);
541 if (!parent) {
542 return false;
543 }
544 else {
545 return true;
546 }
547 }
548 else return false;
549 }
550 */
551
552
553// isClassSelected checks if a class is selected or not. Thre is a difference between the
554// behaviour of rootcint and genreflex especially with regard to class pattern processing.
555// In genreflex if we have <class pattern = "*" /> this will select all the classes
556// (and structs) found in the header file. In rootcint if we have something similar, i.e.
557// #pragma link C++ class *, we will select only the outer classes - for the nested
558// classes we have to specifie #pragma link C++ class *::*. And yet this is only valid
559// for one level of nesting - if you need it for many levels of nesting, you will
560// probably have to implement it yourself.
561// Here the idea is the following - we traverse the list of class selection rules.
562// For every class we check do we have a class selection rule. We use here the
563// method isSelected() (defined in BaseSelectionRule.cxx). This method returns true
564// only if we have class selection rule which says "Select". Otherwise it returns
565// false - in which case we have to check wether we found a class selection rule
566// which says "Veto" (noName = false and don't Care = false; OR noName = false and
567// don't Care = true and we don't have neither method nor field selection rules -
568// which is for the selection.xml file case). If noName is true than we just continue -
569// this means that the current class selection rule isn't applicable for this class.
570
571const ClassSelectionRule *SelectionRules::IsNamespaceSelected(const clang::Decl* D, const std::string& qual_name) const
572{
573 const clang::NamespaceDecl* N = llvm::dyn_cast<clang::NamespaceDecl> (D); //TagDecl has methods to understand of what kind is the Decl
574 if (N==nullptr) {
575 std::cout<<"\n\tCouldn't cast Decl to NamespaceDecl";
576 return nullptr;
577 }
578
579 const ClassSelectionRule *selector = nullptr;
580 int fImplNo = 0;
581 const ClassSelectionRule *explicit_selector = nullptr;
582 const ClassSelectionRule *specific_pattern_selector = nullptr;
583 int fFileNo = 0;
584
585 // NOTE: should we separate namespaces from classes in the rules?
586 std::list<ClassSelectionRule>::const_iterator it = fClassSelectionRules.begin();
587 // iterate through all class selection rles
588 std::string name_value;
589 std::string pattern_value;
591 for(; it != fClassSelectionRules.end(); ++it) {
592
593 match = it->Match(N,qual_name,"",IsLinkdefFile());
594
595 if (match != BaseSelectionRule::kNoMatch) {
596 // If we have a match.
597 if (it->GetSelected() == BaseSelectionRule::kYes) {
598 selector = &(*it);
599 if (IsLinkdefFile()){
600 // rootcint prefers explicit rules over pattern rules
601 if (match == BaseSelectionRule::kName) {
602 explicit_selector = &(*it);
603 } else if (match == BaseSelectionRule::kPattern) {
604 // NOTE: weird ...
605 if (it->GetAttributeValue("pattern", pattern_value) &&
606 pattern_value != "*" && pattern_value != "*::*") specific_pattern_selector = &(*it);
607 }
608 }
609 } else if (it->GetSelected() == BaseSelectionRule::kNo) {
610 if (!IsLinkdefFile()) {
611 // in genreflex - we could explicitly select classes from other source files
612 if (match == BaseSelectionRule::kFile) ++fFileNo; // if we have veto because of class defined in other source file -> implicit No
613 else {
614
615#ifdef SELECTION_DEBUG
616 std::cout<<"\tNo returned"<<std::endl;
617#endif
618
619 return nullptr; // explicit No returned
620 }
621 }
622 if (match == BaseSelectionRule::kPattern) {
623 //this is for the Linkdef selection
624 if (it->GetAttributeValue("pattern", pattern_value) &&
625 (pattern_value == "*" || pattern_value == "*::*")) ++fImplNo;
626 else
627 return nullptr;
628 }
629 else
630 return nullptr;
631 }
632 else if (it->GetSelected() == BaseSelectionRule::kDontCare && !(it->HasMethodSelectionRules()) && !(it->HasFieldSelectionRules())) {
633
634#ifdef SELECTION_DEBUG
635 std::cout<<"Empty dontC returned = No"<<std::endl;
636#endif
637
638 return nullptr;
639 }
640 }
641 }
642 if (IsLinkdefFile()) {
643 // for rootcint explicit (name) Yes is stronger than implicit (pattern) No which is stronger than implicit (pattern) Yes
644
645#ifdef SELECTION_DEBUG
646 std::cout<<"\n\tfYes = "<<fYes<<", fImplNo = "<<fImplNo<<std::endl;
647#endif
648
649 if (explicit_selector) return explicit_selector;
650 else if (specific_pattern_selector) return specific_pattern_selector;
651 else if (fImplNo > 0) return nullptr;
652 else return selector;
653 }
654 else {
655 // for genreflex explicit Yes is stronger than implicit file No
656
657#ifdef SELECTION_DEBUG
658 std::cout<<"\n\tfYes = "<<fYes<<", fFileNo = "<<fFileNo<<std::endl;
659#endif
660
661 if (selector)
662 return selector;
663 else
664 return nullptr;
665 }
666
667}
668
669
670const ClassSelectionRule *SelectionRules::IsClassSelected(const clang::Decl* D, const std::string& qual_name, bool includeTypedefRule) const
671{
672 const clang::TagDecl* tagDecl = llvm::dyn_cast<clang::TagDecl> (D); //TagDecl has methods to understand of what kind is the Decl
673 const clang::TypedefNameDecl* typeDefNameDecl = llvm::dyn_cast<clang::TypedefNameDecl> (D);
674
675 if (!tagDecl && !typeDefNameDecl) { // Ill posed
676 ROOT::TMetaUtils::Error("SelectionRules::IsClassSelected",
677 "Cannot cast Decl to TagDecl and Decl is not a typedef.\n");
678 return nullptr;
679 }
680
681 if (!tagDecl && typeDefNameDecl){ // Let's try to fetch the underlying RecordDecl
682 clang::RecordDecl* recordDecl = ROOT::TMetaUtils::GetUnderlyingRecordDecl(typeDefNameDecl->getUnderlyingType());
683 if (!recordDecl){
684 ROOT::TMetaUtils::Error("SelectionRules::IsClassSelected",
685 "Cannot get RecordDecl behind TypedefDecl.\n");
686 return nullptr;
687 }
688 tagDecl = recordDecl;
689 }
690
691 // At this point tagDecl must be well defined
692 const bool isLinkDefFile = IsLinkdefFile();
693 if (!( isLinkDefFile || tagDecl->isClass() || tagDecl->isStruct() ))
694 return nullptr; // Union for Genreflex
695
696 const ClassSelectionRule *selector = nullptr;
697 int fImplNo = 0;
698 const ClassSelectionRule *explicit_selector = nullptr;
699 const ClassSelectionRule *specific_pattern_selector = nullptr;
700 int fFileNo = 0;
701
702 // iterate through all class selection rles
703 bool earlyReturn=false;
704 const ClassSelectionRule* retval = nullptr;
705 const clang::NamedDecl* nDecl(llvm::dyn_cast<clang::NamedDecl>(D));
706 for(auto& rule : fClassSelectionRules) {
707 if (!includeTypedefRule && rule.IsFromTypedef())
708 continue;
709 BaseSelectionRule::EMatchType match = rule.Match(nDecl, qual_name, "", isLinkDefFile);
710 if (match != BaseSelectionRule::kNoMatch) {
711 // Check if the template must have its arguments manipulated
712 if (const clang::ClassTemplateSpecializationDecl* ctsd =
713 llvm::dyn_cast_or_null<clang::ClassTemplateSpecializationDecl>(D))
714 if(const clang::ClassTemplateDecl* ctd = ctsd->getSpecializedTemplate()){
715 const std::string& nArgsToKeep = rule.GetAttributeNArgsToKeep();
716 if (!nArgsToKeep.empty()){
717 fNormCtxt.AddTemplAndNargsToKeep(ctd->getCanonicalDecl(),
718 std::atoi(nArgsToKeep.c_str()));
719 }
720 }
721
722 if (earlyReturn) continue;
723
724 // If we have a match.
725 selector = &(rule);
726 if (rule.GetSelected() == BaseSelectionRule::kYes) {
727
728 if (isLinkDefFile){
729 // rootcint prefers explicit rules over pattern rules
730 if (match == BaseSelectionRule::kName) {
731 explicit_selector = &(rule);
732 } else if (match == BaseSelectionRule::kPattern) {
733 // NOTE: weird ...
734 const std::string& pattern_value=rule.GetAttributePattern();
735 if (!pattern_value.empty() &&
736 pattern_value != "*" &&
737 pattern_value != "*::*") specific_pattern_selector = &(rule);
738 }
739 }
740 } else if (rule.GetSelected() == BaseSelectionRule::kNo) {
741
742 if (!isLinkDefFile) {
743 // in genreflex - we could explicitly select classes from other source files
744 if (match == BaseSelectionRule::kFile) ++fFileNo; // if we have veto because of class defined in other source file -> implicit No
745 else {
746 retval = selector;
747 earlyReturn=true; // explicit No returned
748 }
749 }
750 if (match == BaseSelectionRule::kPattern) {
751 //this is for the Linkdef selection
752 const std::string& pattern_value=rule.GetAttributePattern();
753 if (!pattern_value.empty() &&
754 (pattern_value == "*" || pattern_value == "*::*")) ++fImplNo;
755 else
756 earlyReturn=true;
757 }
758 else
759 earlyReturn=true;
760 }
761 else if (rule.GetSelected() == BaseSelectionRule::kDontCare && !(rule.HasMethodSelectionRules()) && !(rule.HasFieldSelectionRules())) {
762 earlyReturn=true;
763 }
764 }
765 } // Loop over the rules.
766
767 if (earlyReturn) return retval;
768
769 if (isLinkDefFile) {
770 // for rootcint explicit (name) Yes is stronger than implicit (pattern) No which is stronger than implicit (pattern) Yes
771 if (explicit_selector) return explicit_selector;
772 else if (specific_pattern_selector) return specific_pattern_selector;
773 else if (fImplNo > 0) return nullptr;
774 else return selector;
775 }
776 else {
777 // for genreflex explicit Yes is stronger than implicit file No
778 return selector; // it can be nullptr
779 }
780
781}
782
783const BaseSelectionRule *SelectionRules::IsVarSelected(const clang::VarDecl* D, const std::string& qual_name) const
784{
785 std::list<VariableSelectionRule>::const_iterator it = fVariableSelectionRules.begin();
786 std::list<VariableSelectionRule>::const_iterator it_end = fVariableSelectionRules.end();
787
788 const BaseSelectionRule *selector = nullptr;
789
790 // iterate through all the rules
791 // we call this method only for genrefex variables, functions and enums - it is simpler than the class case:
792 // if we have No - it is veto even if we have explicit yes as well
793 for(; it != it_end; ++it) {
794 if (BaseSelectionRule::kNoMatch != it->Match(llvm::dyn_cast<clang::NamedDecl>(D), qual_name, "", false)) {
795 if (it->GetSelected() == BaseSelectionRule::kNo) {
796 // The rule did explicitly request to not select this entity.
797 return nullptr;
798 } else {
799 selector = &(*it);
800 }
801 }
802 }
803
804 return selector;
805}
806
807const BaseSelectionRule *SelectionRules::IsFunSelected(const clang::FunctionDecl *D, const std::string &qual_name) const
808{
809
810 if (fFunctionSelectionRules.size() == 0 ||
811 D->getPrimaryTemplate() != nullptr ||
812 llvm::isa<clang::CXXMethodDecl>(D)) return nullptr;
813
814 std::string prototype;
815 GetFunctionPrototype(D, prototype);
816 prototype = qual_name + prototype;
817
818 const BaseSelectionRule *selector = nullptr;
819 // iterate through all the rules
820 // we call this method only for genrefex variables, functions and enums - it is simpler than the class case:
821 // if we have No - it is veto even if we have explicit yes as well
822 for (const auto & rule : fFunctionSelectionRules) {
823 if (BaseSelectionRule::kNoMatch != rule.Match(D, qual_name, prototype, false)) {
824 if (rule.GetSelected() == BaseSelectionRule::kNo) {
825 // The rule did explicitly request to not select this entity.
826 return nullptr;
827 } else {
828 selector = &(rule);
829 }
830 }
831 }
832
833 return selector;
834}
835
836const BaseSelectionRule *SelectionRules::IsEnumSelected(const clang::EnumDecl* D, const std::string& qual_name) const
837{
838 const BaseSelectionRule *selector = nullptr;
839
840 // iterate through all the rules
841 // we call this method only for genrefex variables, functions and enums - it is simpler than the class case:
842 // if we have No - it is veto even if we have explicit yes as well
843 for(const auto& rule: fEnumSelectionRules) {
844 if (BaseSelectionRule::kNoMatch != rule.Match(llvm::dyn_cast<clang::NamedDecl>(D), qual_name, "", false)) {
845 if (rule.GetSelected() == BaseSelectionRule::kNo) {
846 // The rule did explicitly request to not select this entity.
847 return nullptr;
848 } else {
849 selector = &rule;
850 }
851 }
852 }
853
854 return selector;
855}
856
857const BaseSelectionRule *SelectionRules::IsLinkdefVarSelected(const clang::VarDecl* D, const std::string& qual_name) const
858{
859
860
861 const BaseSelectionRule *selector = nullptr;
862 int fImplNo = 0;
863 const BaseSelectionRule *explicit_selector = nullptr;
864
865 std::string name_value;
866 std::string pattern_value;
867 for(auto& selRule: fVariableSelectionRules) {
869 = selRule.Match(llvm::dyn_cast<clang::NamedDecl>(D), qual_name, "", false);
870 if (match != BaseSelectionRule::kNoMatch) {
871 if (selRule.GetSelected() == BaseSelectionRule::kYes) {
872 // explicit rules are with stronger priority in rootcint
873 if (IsLinkdefFile()){
874 if (match == BaseSelectionRule::kName) {
875 explicit_selector = &selRule;
876 } else if (match == BaseSelectionRule::kPattern) {
877 if (selRule.GetAttributeValue("pattern", pattern_value)) {
878 explicit_selector=&selRule;
879 // NOTE: Weird ... This is a strange definition of explicit.
880 //if (pattern_value != "*" && pattern_value != "*::*") explicit_selector = selRule;
881 }
882 }
883 }
884 }
885 else {
886 if (!IsLinkdefFile()) return nullptr;
887 else {
888 if (selRule.GetAttributeValue("pattern", pattern_value)) {
889 if (pattern_value == "*" || pattern_value == "*::*") ++fImplNo;
890 else
891 return nullptr;
892 }
893 else
894 return nullptr;
895 }
896 }
897 }
898 }
899
900 if (IsLinkdefFile()) {
901
902#ifdef SELECTION_DEBUG
903 std::cout<<"\n\tfYes = "<<fYes<<", fImplNo = "<<fImplNo<<std::endl;
904#endif
905
906 if (explicit_selector) return explicit_selector;
907 else if (fImplNo > 0) return nullptr;
908 else return selector;
909 }
910 else{
911 return selector;
912 }
913}
914
915const BaseSelectionRule *SelectionRules::IsLinkdefFunSelected(const clang::FunctionDecl* D, const std::string& qual_name) const
916{
917
918 if (fFunctionSelectionRules.size() == 0 ||
919 D->getPrimaryTemplate() != nullptr ||
920 llvm::isa<clang::CXXMethodDecl>(D)) return nullptr;
921
922 std::string prototype;
923
924 GetFunctionPrototype(D, prototype);
925 prototype = qual_name + prototype;
926
927 const BaseSelectionRule *selector = nullptr;
928 int fImplNo = 0;
929 const BaseSelectionRule *explicit_selector = nullptr;
930
931 std::string pattern_value;
932 for(auto& selRule : fFunctionSelectionRules) {
934 = selRule.Match(llvm::dyn_cast<clang::NamedDecl>(D), qual_name, prototype, false);
935 if (match != BaseSelectionRule::kNoMatch) {
936 if (selRule.GetSelected() == BaseSelectionRule::kYes) {
937 // explicit rules are with stronger priority in rootcint
938 if (IsLinkdefFile()){
939 if (match == BaseSelectionRule::kName) {
940 explicit_selector = &selRule;
941 } else if (match == BaseSelectionRule::kPattern) {
942 if (selRule.GetAttributeValue("pattern", pattern_value)) {
943 explicit_selector = &selRule;
944 // NOTE: Weird ... This is a strange definition of explicit.
945 //if (pattern_value != "*" && pattern_value != "*::*") explicit_selector = &selRule;
946 }
947 }
948 }
949 }
950 else {
951 if (!IsLinkdefFile()) return nullptr;
952 else {
953 if (selRule.GetAttributeValue("pattern", pattern_value)) {
954 if (pattern_value == "*" || pattern_value == "*::*") ++fImplNo;
955 else
956 return nullptr;
957 }
958 else
959 return nullptr;
960 }
961 }
962 }
963 }
964
965 if (IsLinkdefFile()) {
966 if (explicit_selector) return explicit_selector;
967 else if (fImplNo > 0) return nullptr;
968 else return selector;
969 }
970 else{
971 return selector;
972 }
973}
974
975const BaseSelectionRule *SelectionRules::IsLinkdefEnumSelected(const clang::EnumDecl* D, const std::string& qual_name) const
976{
977 std::list<VariableSelectionRule>::const_iterator it;
978 std::list<VariableSelectionRule>::const_iterator it_end;
979
980 it = fEnumSelectionRules.begin();
981 it_end = fEnumSelectionRules.end();
982
983 const BaseSelectionRule *selector = nullptr;
984 int fImplNo = 0;
985 const BaseSelectionRule *explicit_selector = nullptr;
986
987 std::string name_value;
988 std::string pattern_value;
989 for(; it != it_end; ++it) {
991 it->Match(llvm::dyn_cast<clang::NamedDecl>(D), qual_name, "", false);
992 if (match != BaseSelectionRule::kNoMatch) {
993 if (it->GetSelected() == BaseSelectionRule::kYes) {
994 // explicit rules are with stronger priority in rootcint
995 if (IsLinkdefFile()){
996 if (match == BaseSelectionRule::kName){
997 explicit_selector = &(*it);
998 } else if (match == BaseSelectionRule::kPattern &&
999 it->GetAttributeValue("pattern", pattern_value)) {
1000 // Note: Weird ... This is a strange definition of explicit.
1001 if (pattern_value != "*" && pattern_value != "*::*") explicit_selector = &(*it);
1002 }
1003 }
1004 }
1005 else {
1006 if (!IsLinkdefFile()) return nullptr;
1007 else {
1008 if (it->GetAttributeValue("pattern", pattern_value)) {
1009 if (pattern_value == "*" || pattern_value == "*::*") ++fImplNo;
1010 else
1011 return nullptr;
1012 }
1013 else
1014 return nullptr;
1015 }
1016 }
1017 }
1018 }
1019
1020 if (IsLinkdefFile()) {
1021
1022#ifdef SELECTION_DEBUG
1023 std::cout<<"\n\tfYes = "<<fYes<<", fImplNo = "<<fImplNo<<std::endl;
1024#endif
1025
1026 if (explicit_selector) return explicit_selector;
1027 else if (fImplNo > 0) return nullptr;
1028 else return selector;
1029 }
1030 else{
1031 return selector;
1032 }
1033}
1034
1035// In rootcint we could select and deselect methods independantly of the class/struct/union rules
1036// That's why we first have to check the explicit rules for the functions - to see if there
1037// is rule corresponding to our method.
1038// Which is more - if we have (and we can have) a pattern for the parent class, than a pattern for the
1039// nested class, than a pattern for certain methods in the nested class, than a rule for a
1040// method (name or prototype) in the nested class - the valid rule is the last one.
1041// This is true irrespective of the rules (select/deselect). This is not the case for genreflex -
1042// in genreflex if there is a pattern deselecting something even if we have an explicit rule
1043// to select it, it still will not be selected.
1044// This method (isLinkdefMethodSelected()) might be incomplete (but I didn't have the time to think
1045// of anything better)
1046//
1047
1048const BaseSelectionRule *SelectionRules::IsLinkdefMethodSelected(const clang::Decl* D, const std::string& qual_name) const
1049{
1050 std::list<FunctionSelectionRule>::const_iterator it = fFunctionSelectionRules.begin();
1051 std::list<FunctionSelectionRule>::const_iterator it_end = fFunctionSelectionRules.end();
1052 std::string prototype;
1053
1054 if (const clang::FunctionDecl* F = llvm::dyn_cast<clang::FunctionDecl> (D))
1055 GetFunctionPrototype(F, prototype);
1056 prototype = qual_name + prototype;
1057
1058#ifdef SELECTION_DEBUG
1059 std::cout<<"\tFunction prototype = "<<prototype<<std::endl;
1060#endif
1061
1062 int expl_Yes = 0, impl_r_Yes = 0, impl_rr_Yes = 0;
1063 int impl_r_No = 0, impl_rr_No = 0;
1064 const BaseSelectionRule *explicit_r = nullptr;
1065 const BaseSelectionRule *implicit_r = nullptr;
1066 const BaseSelectionRule *implicit_rr = nullptr;
1067
1068 if (D->getKind() == clang::Decl::CXXMethod){
1069 // we first check the explicit rules for the method (in case of constructors and destructors we check the parent)
1070 std::string pat_value;
1071 for(; it != it_end; ++it) {
1073 = it->Match(llvm::dyn_cast<clang::NamedDecl>(D), qual_name, prototype, false);
1074
1075 if (match == BaseSelectionRule::kName) {
1076 // here I should implement my implicit/explicit thing
1077 // I have included two levels of implicitness - "A::Get_*" is stronger than "*"
1078 explicit_r = &(*it);
1079 if (it->GetSelected() == BaseSelectionRule::kYes) ++expl_Yes;
1080 else {
1081
1082#ifdef SELECTION_DEBUG
1083 std::cout<<"\tExplicit rule BaseSelectionRule::kNo found"<<std::endl;
1084#endif
1085
1086 return nullptr; // == explicit BaseSelectionRule::kNo
1087
1088 }
1089 } else if (match == BaseSelectionRule::kPattern) {
1090
1091 if (it->GetAttributeValue("pattern", pat_value)) {
1092 if (pat_value == "*") continue; // we discard the global selection rules
1093
1094 std::string par_name, par_qual_name;
1095 GetParentName(D, par_name, par_qual_name);
1096 std::string par_pat = par_qual_name + "::*";
1097
1098 if (pat_value == par_pat) {
1099 implicit_rr = &(*it);
1100 if (it->GetSelected() == BaseSelectionRule::kYes) {
1101
1102#ifdef SELECTION_DEBUG
1103 std::cout<<"Implicit_rr rule ("<<pat_value<<"), selected = "<<selected<<std::endl;
1104#endif
1105
1106 ++impl_rr_Yes;
1107 }
1108 else {
1109
1110#ifdef SELECTION_DEBUG
1111 std::cout<<"Implicit_rr rule ("<<pat_value<<"), selected = "<<selected<<std::endl;
1112#endif
1113
1114 ++impl_rr_No;
1115 }
1116 }
1117 else {
1118 implicit_r = &(*it);
1119 if (it->GetSelected() == BaseSelectionRule::kYes) {
1120
1121#ifdef SELECTION_DEBUG
1122 std::cout<<"Implicit_r rule ("<<pat_value<<"), selected = "<<selected<<std::endl;
1123#endif
1124
1125 ++impl_r_Yes;
1126 }
1127 else {
1128
1129#ifdef SELECTION_DEBUG
1130 std::cout<<"Implicit_r rule ("<<pat_value<<"), selected = "<<selected<<std::endl;
1131#endif
1132
1133 ++impl_r_No;
1134 }
1135 }
1136 }
1137 }
1138 }
1139 }
1140 if (explicit_r /*&& expl_Yes > 0*/){
1141
1142#ifdef SELECTION_DEBUG
1143 std::cout<<"\tExplicit rule BaseSelectionRule::BaseSelectionRule::kYes found"<<std::endl;
1144#endif
1145
1146 return explicit_r; // if we have excplicit BaseSelectionRule::kYes
1147 }
1148 else if (implicit_rr) {
1149 if (impl_rr_No > 0) {
1150
1151#ifdef SELECTION_DEBUG
1152 std::cout<<"\tImplicit_rr rule BaseSelectionRule::kNo found"<<std::endl;
1153#endif
1154
1155 return nullptr;
1156 }
1157 else {
1158
1159#ifdef SELECTION_DEBUG
1160 std::cout<<"\tImplicit_rr rule BaseSelectionRule::kYes found"<<std::endl;
1161#endif
1162
1163 return implicit_rr;
1164 }
1165 }
1166 else if (implicit_r) {
1167 if (impl_r_No > 0) {
1168
1169#ifdef SELECTION_DEBUG
1170 std::cout<<"\tImplicit_r rule BaseSelectionRule::kNo found"<<std::endl;
1171#endif
1172
1173 return nullptr;
1174 }
1175 else {
1176
1177#ifdef SELECTION_DEBUG
1178 std::cout<<"\tImplicit_r rule BaseSelectionRule::kYes found"<<std::endl;
1179#endif
1180
1181 return implicit_r;
1182 }
1183 }
1184 else {
1185
1186#ifdef SELECTION_DEBUG
1187 std::cout<<"\tChecking parent class rules"<<std::endl;
1188#endif
1189 // check parent
1190
1191
1192 std::string parent_name, parent_qual_name;
1193 if (!GetParentName(D, parent_name, parent_qual_name)) return nullptr;
1194
1195 const BaseSelectionRule *selector = nullptr;
1196 int fImplNo = 0;
1197 const BaseSelectionRule *explicit_selector = nullptr;
1198
1199 // the same as with isClass selected
1200 // I wanted to use GetParentDecl and then to pass is to isClassSelected because I didn't wanted to repeat
1201 // code but than GetParentDecl crashes (or returns non-sence Decl) for the built-in structs (__va_*)
1202 std::list<ClassSelectionRule>::const_iterator it = fClassSelectionRules.begin();
1203 std::string name_value;
1204 std::string pattern_value;
1205 for(; it != fClassSelectionRules.end(); ++it) {
1207 = it->Match(llvm::dyn_cast<clang::NamedDecl>(D), parent_qual_name, "", true); // == BaseSelectionRule::kYes
1208
1209 if (match != BaseSelectionRule::kNoMatch) {
1210 if (it->GetSelected() == BaseSelectionRule::kYes) {
1211 selector = &(*it);
1212
1213 if (match == BaseSelectionRule::kName) {
1214 explicit_selector = &(*it);
1215 } else if (match == BaseSelectionRule::kPattern) {
1216 if (it->GetAttributeValue("pattern", pattern_value)) {
1217 // NOTE: weird ...
1218 if (pattern_value != "*" && pattern_value != "*::*") explicit_selector = &(*it);
1219 }
1220 }
1221 }
1222 else { // == BaseSelectionRule::kNo
1223
1224 if (it->GetAttributeValue("pattern", pattern_value)) {
1225 if (pattern_value == "*" || pattern_value == "*::*") ++fImplNo;
1226 else
1227 return nullptr;
1228 }
1229 else
1230 return nullptr;
1231 }
1232 }
1233 }
1234
1235#ifdef SELECTION_DEBUG
1236 std::cout<<"\n\tfYes = "<<fYes<<", fImplNo = "<<fImplNo<<std::endl;
1237#endif
1238
1239 if (explicit_selector) {
1240
1241#ifdef SELECTION_DEBUG
1242 std::cout<<"\tReturning Yes"<<std::endl;
1243#endif
1244
1245 return explicit_selector;
1246 }
1247 else if (fImplNo > 0) {
1248#ifdef SELECTION_DEBUG
1249 std::cout<<"\tReturning No"<<std::endl;
1250#endif
1251
1252 return nullptr;
1253 }
1254 else {
1255
1256#ifdef SELECTION_DEBUG
1257 std::cout<<"\tReturning Yes"<<std::endl;
1258#endif
1259
1260 return selector;
1261 }
1262 }
1263
1264 return nullptr;
1265
1266}
1267
1268const BaseSelectionRule *SelectionRules::IsMemberSelected(const clang::Decl* D, const std::string& str_name) const
1269{
1270 std::string parent_name;
1271 std::string parent_qual_name;
1272
1273 if (IsParentClass(D))
1274 {
1275 if (!GetParentName(D, parent_name, parent_qual_name)) return nullptr;
1276
1277 const BaseSelectionRule *selector = nullptr;
1278 Int_t fImplNo = 0;
1279 const BaseSelectionRule *explicit_selector = nullptr;
1280 int fFileNo = 0;
1281
1282 //DEBUG std::cout<<"\n\tParent is class";
1283 std::list<ClassSelectionRule>::const_iterator it = fClassSelectionRules.begin();
1284 std::string name_value;
1285 std::string pattern_value;
1286 for(; it != fClassSelectionRules.end(); ++it) {
1288 = it->Match(llvm::dyn_cast<clang::NamedDecl>(D), parent_qual_name, "", false);
1289
1290 if (match != BaseSelectionRule::kNoMatch) {
1291 if (it->GetSelected() == BaseSelectionRule::kYes) {
1292 selector = &(*it);
1293 if (IsLinkdefFile()) {
1294 if (match == BaseSelectionRule::kName) {
1295 explicit_selector = &(*it);
1296 } else if (match == BaseSelectionRule::kPattern) {
1297 if (it->GetAttributeValue("pattern", pattern_value)) {
1298 // NOTE: Weird ... This is a strange definition of explicit.
1299 if (pattern_value != "*" && pattern_value != "*::*") explicit_selector = &(*it);
1300 }
1301 }
1302 }
1303 } else if (it->GetSelected() == BaseSelectionRule::kNo) {
1304 if (!IsLinkdefFile()) {
1305 if (match == BaseSelectionRule::kFile) ++fFileNo;
1306 else {
1307
1308#ifdef SELECTION_DEBUG
1309 std::cout<<"\tNo returned"<<std::endl;
1310#endif
1311
1312 return nullptr; // in genreflex we can't have that situation
1313 }
1314 }
1315 else {
1316 if (match == BaseSelectionRule::kPattern && it->GetAttributeValue("pattern", pattern_value)) {
1317 if (pattern_value == "*" || pattern_value == "*::*") ++fImplNo;
1318 else
1319 return nullptr;
1320 }
1321 else
1322 return nullptr;
1323 }
1324 }
1325 else if (it->GetSelected() == BaseSelectionRule::kDontCare) // - we check the method and field selection rules for the class
1326 {
1327 if (!it->HasMethodSelectionRules() && !it->HasFieldSelectionRules()) {
1328
1329#ifdef SELECTION_DEBUG
1330 std::cout<<"\tNo fields and methods"<<std::endl;
1331#endif
1332
1333 return nullptr; // == BaseSelectionRule::kNo
1334 }
1335 else {
1336 clang::Decl::Kind kind = D->getKind();
1337 if (kind == clang::Decl::Field || kind == clang::Decl::CXXMethod || kind == clang::Decl::CXXConstructor || kind == clang::Decl::CXXDestructor){
1338 std::list<VariableSelectionRule> members;
1339 std::list<VariableSelectionRule>::iterator mem_it;
1340 std::list<VariableSelectionRule>::iterator mem_it_end;
1341 std::string prototype;
1342
1343 if (kind == clang::Decl::Field) {
1344 members = it->GetFieldSelectionRules();
1345 }
1346 else {
1347 if (const clang::FunctionDecl* F = llvm::dyn_cast<clang::FunctionDecl> (D)){
1348 GetFunctionPrototype(F, prototype);
1349 prototype = str_name + prototype;
1350 }
1351 else{
1352 ROOT::TMetaUtils::Warning("","Warning: could not cast Decl to FunctionDecl\n");
1353 }
1354 members = it->GetMethodSelectionRules();
1355 }
1356 mem_it = members.begin();
1357 mem_it_end = members.end();
1358 for (; mem_it != mem_it_end; ++mem_it) {
1359 if (BaseSelectionRule::kName == mem_it->Match(llvm::dyn_cast<clang::NamedDecl>(D), str_name, prototype, false)) {
1360 if (mem_it->GetSelected() == BaseSelectionRule::kNo) return nullptr;
1361 }
1362 }
1363 }
1364 }
1365 }
1366 }
1367 }
1368
1369 if (IsLinkdefFile()) {
1370
1371#ifdef SELECTION_DEBUG
1372 std::cout<<"\n\tfYes = "<<fYes<<", fImplNo = "<<fImplNo<<std::endl;
1373#endif
1374
1375 if (explicit_selector) {
1376#ifdef SELECTION_DEBUG
1377 std::cout<<"\tReturning Yes"<<std::endl;
1378#endif
1379
1380 return explicit_selector;
1381 }
1382 else if (fImplNo > 0) {
1383
1384#ifdef SELECTION_DEBUG
1385 std::cout<<"\tReturning No"<<std::endl;
1386#endif
1387
1388 return nullptr;
1389 }
1390 else {
1391
1392#ifdef SELECTION_DEBUG
1393 std::cout<<"\tReturning Yes"<<std::endl;
1394#endif
1395
1396 return selector;
1397 }
1398 }
1399 else {
1400
1401 return selector;
1402 }
1403 }
1404 else {
1405 return nullptr;
1406 }
1407}
1408
1410 for(auto&& rule : fClassSelectionRules){
1411 if (BaseSelectionRule::kNo!=rule.GetSelected() && !rule.GetMatchFound() /* && !GetHasFileNameRule() */ ) {
1412 std::string name;
1413 if (rule.GetAttributeValue("pattern", name)) {
1414 // keep it
1415 } else if (rule.GetAttributeValue("name", name)) {
1416 // keept it
1417 } else {
1418 name.clear();
1419 }
1420 std::string file_name_value;
1421 if (!rule.GetAttributeValue("file_name", file_name_value)) file_name_value.clear();
1422
1423 if (!file_name_value.empty()) {
1424 // don't complain about defined_in rules
1425 continue;
1426 }
1427
1428 const char* attrName = "class";
1429 const char* attrVal = nullptr;
1430 if (!name.empty()) attrVal = name.c_str();
1431
1432 ROOT::TMetaUtils::Warning(nullptr,"Unused %s rule: %s\n", attrName, attrVal);
1433 }
1434 }
1435
1436 for(auto&& rule : fVariableSelectionRules){
1437 if (!rule.GetMatchFound() && !GetHasFileNameRule()) {
1438 std::string name;
1439 if (rule.GetAttributeValue("pattern", name)) {
1440 // keep it
1441 } else if (rule.GetAttributeValue("name", name)) {
1442 // keept it
1443 } else {
1444 name.clear();
1445 }
1446 ROOT::TMetaUtils::Warning("","Unused variable rule: %s\n",name.c_str());
1447 if (name.empty()) {
1448 rule.PrintAttributes(std::cout,3);
1449 }
1450 }
1451 }
1452
1453#if defined(R__MUST_REVISIT)
1454#if R__MUST_REVISIT(6,2)
1455ROOT::TMetaUtils::Warning("SelectionRules::AreAllSelectionRulesUsed",
1456"Warnings concerning non matching selection rules are suppressed. An action is to be taken.\n");
1457#endif
1458#endif
1459// for(const auto& selRule: fFunctionSelectionRules) {
1460// if (!selRule.GetMatchFound() && !GetHasFileNameRule()) {
1461// // Here the slow methods can be used
1462// std::string name;
1463// if (selRule.GetAttributeValue("proto_pattern", name)) {
1464// // keep it
1465// } else if (selRule.GetAttributeValue("proto_name", name)) {
1466// // keep it
1467// } else if (selRule.GetAttributeValue("pattern", name)) {
1468// // keep it
1469// } else if (selRule.GetAttributeValue("name", name)) {
1470// // keept it
1471// } else {
1472// name.clear();
1473// }
1474// // Make it soft, no error - just warnings
1475// std::cout<<"Warning - unused function rule: "<<name<<std::endl;
1476// // if (IsSelectionXMLFile()){
1477// // std::cout<<"Warning - unused function rule: "<<name<<std::endl;
1478// // }
1479// // else {
1480// // std::cout<<"Error - unused function rule: "<<name<<std::endl;
1481// // }
1482// if (name.length() == 0) {
1483// selRule.PrintAttributes(std::cout,3);
1484// }
1485// }
1486//
1487// }
1488
1489
1490#if Enums_rules_becomes_useful_for_rootcling
1491 for(auto&& rule : fEnumSelectionRules){
1492 if (!rule.GetMatchFound() && !GetHasFileNameRule()) {
1493 std::string name;
1494 if (rule.GetAttributeValue("pattern", name)) {
1495 // keep it
1496 } else if (rule.GetAttributeValue("name", name)) {
1497 // keept it
1498 } else {
1499 name.clear();
1500 }
1501
1502 ROOT::TMetaUtils::Warning("","Unused enum rule: %s\n",name.c_str());
1503
1504 if (name.empty()){
1505 rule.PrintAttributes(std::cout,3);
1506 }
1507 }
1508 }
1509#endif
1510 return true;
1511}
1512
1513bool SelectionRules::SearchNames(cling::Interpreter &interp)
1514{
1515 // std::cout<<"Searching Names In Selection Rules:"<<std::endl;
1516 for(std::list<ClassSelectionRule>::iterator it = fClassSelectionRules.begin(),
1517 end = fClassSelectionRules.end();
1518 it != end;
1519 ++it) {
1520 if (it->HasAttributeWithName("name")) {
1521 std::string name_value;
1522 it->GetAttributeValue("name", name_value);
1523 // In Class selection rules, we should be interested in scopes.
1524 const clang::Type *typeptr = nullptr;
1525 const clang::CXXRecordDecl *target
1526 = ROOT::TMetaUtils::ScopeSearch(name_value.c_str(), interp,
1527 true /*diag*/, &typeptr);
1528 if (target) {
1529 it->SetCXXRecordDecl(target,typeptr);
1530 }
1531 }
1532 }
1533 return true;
1534}
1535
1536
1538{
1539 // Fill the cache of every selection rule
1540 for (auto& rule : fClassSelectionRules) rule.FillCache();
1541 for (auto& rule : fFunctionSelectionRules) rule.FillCache();
1542 for (auto& rule : fVariableSelectionRules) rule.FillCache();
1543 for (auto& rule : fEnumSelectionRules) rule.FillCache();
1544}
1545
1546
int Int_t
Definition: RtypesCore.h:45
const clang::CXXRecordDecl * R__ScopeSearch(const char *name, const clang::Type **resultType=nullptr)
static bool Implies(const ClassSelectionRule &patternRule, const ClassSelectionRule &nameRule)
static bool HasDuplicate(RULE *rule, std::unordered_map< std::string, RULE * > &storedRules, const std::string &attrName)
static int CheckDuplicatesImp(RULESCOLLECTION &rules)
#define N
char name[80]
Definition: TGX11.cxx:110
int type
Definition: TGX11.cxx:121
Double_t(* Function)(Double_t)
Definition: Functor.C:4
long GetIndex() const
const std::string & GetAttributePattern() const
bool HasInterpreter() const
EMatchType Match(const clang::NamedDecl *decl, const std::string &name, const std::string &prototype, bool isLinkdef) const
const std::string & GetAttributeName() const
const AttributesMap_t & GetAttributes() const
ESelect GetSelected() const
void AddTemplAndNargsToKeep(const clang::ClassTemplateDecl *templ, unsigned int i)
const BaseSelectionRule * IsLinkdefVarSelected(const clang::VarDecl *D, const std::string &qual_name) const
void GetDeclQualName(const clang::Decl *D, std::string &qual_name) const
const BaseSelectionRule * IsVarSelected(const clang::VarDecl *D, const std::string &qual_name) const
const BaseSelectionRule * IsFunSelected(const clang::FunctionDecl *D, const std::string &qual_name) const
void AddVariableSelectionRule(const VariableSelectionRule &varSel)
void AddClassSelectionRule(const ClassSelectionRule &classSel)
std::list< VariableSelectionRule > fVariableSelectionRules
List of the global variables selection rules.
bool AreAllSelectionRulesUsed() const
long int fRulesCounter
bool GetFunctionPrototype(const clang::FunctionDecl *F, std::string &prototype) const
bool SearchNames(cling::Interpreter &interp)
bool GetParentName(const clang::Decl *D, std::string &parent_name, std::string &parent_qual_name) const
std::list< FunctionSelectionRule > fFunctionSelectionRules
List of the global functions selection rules.
const BaseSelectionRule * IsLinkdefFunSelected(const clang::FunctionDecl *D, const std::string &qual_name) const
std::list< EnumSelectionRule > fEnumSelectionRules
List of the enums selection rules.
void PrintSelectionRules() const
bool GetHasFileNameRule() const
ROOT::TMetaUtils::TNormalizedCtxt & fNormCtxt
bool IsLinkdefFile() const
bool GetDeclName(const clang::Decl *D, std::string &name, std::string &qual_name) const
void AddEnumSelectionRule(const EnumSelectionRule &enumSel)
const BaseSelectionRule * IsMemberSelected(const clang::Decl *D, const std::string &str_name) const
bool IsSelectionXMLFile() const
void ClearSelectionRules()
bool IsParentClass(const clang::Decl *D) const
const BaseSelectionRule * IsLinkdefEnumSelected(const clang::EnumDecl *D, const std::string &qual_name) const
void AddFunctionSelectionRule(const FunctionSelectionRule &funcSel)
const BaseSelectionRule * IsEnumSelected(const clang::EnumDecl *D, const std::string &qual_name) const
const ClassSelectionRule * IsDeclSelected(const clang::RecordDecl *D, bool includeTypedefRule) const
const ClassSelectionRule * IsNamespaceSelected(const clang::Decl *D, const std::string &qual_name) const
std::list< ClassSelectionRule > fClassSelectionRules
List of the class selection rules.
cling::Interpreter & fInterp
const BaseSelectionRule * IsLinkdefMethodSelected(const clang::Decl *D, const std::string &qual_name) const
const ClassSelectionRule * IsClassSelected(const clang::Decl *D, const std::string &qual_name, bool includeTypedefRule) const
Type
enumeration specifying the integration types.
double Var(const RVec< T > &v)
Get the variance of the elements of an RVec.
Definition: RVec.hxx:1977
#define F(x, y, z)
#define I(x, y, z)
static double P[]
double T(double x)
Definition: ChebyshevPol.h:34
static const std::string pattern("pattern")
static const std::string nArgsToKeep("nArgsToKeep")
clang::RecordDecl * GetUnderlyingRecordDecl(clang::QualType type)
void Info(const char *location, const char *va_(fmt),...)
Definition: TClingUtils.h:809
void Error(const char *location, const char *va_(fmt),...)
Definition: TClingUtils.h:789
void GetNormalizedName(std::string &norm_name, const clang::QualType &type, const cling::Interpreter &interpreter, const TNormalizedCtxt &normCtxt)
Return the type name normalized for ROOT, keeping only the ROOT opaque typedef (Double32_t,...
void ReplaceAll(std::string &str, const std::string &from, const std::string &to, bool recurse=false)
const clang::CXXRecordDecl * ScopeSearch(const char *name, const cling::Interpreter &gInterp, bool diagnose, const clang::Type **resultType)
Return the scope corresponding to 'name' or std::'name'.
void Warning(const char *location, const char *va_(fmt),...)
Definition: TClingUtils.h:819
bool areEqual(const RULE *r1, const RULE *r2, bool moduloNameOrPattern=false)
constexpr Double_t E()
Base of natural log:
Definition: TMath.h:96