/src/llvm-project/clang/lib/Sema/UsedDeclVisitor.h

Source (jump to first uncovered line)
//===- UsedDeclVisitor.h - ODR-used declarations visitor --------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//===----------------------------------------------------------------------===//
//
//  This file defines UsedDeclVisitor, a CRTP class which visits all the
//  declarations that are ODR-used by an expression or statement.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_LIB_SEMA_USEDDECLVISITOR_H
#define LLVM_CLANG_LIB_SEMA_USEDDECLVISITOR_H

#include "clang/AST/EvaluatedExprVisitor.h"
#include "clang/Sema/SemaInternal.h"

namespace clang {
template <class Derived>
class UsedDeclVisitor : public EvaluatedExprVisitor<Derived> {
protected:
  Sema &S;

public:
  typedef EvaluatedExprVisitor<Derived> Inherited;

  UsedDeclVisitor(Sema &S) : Inherited(S.Context), S(S) {}

  Derived &asImpl() { return *static_cast<Derived *>(this); }

  void VisitDeclRefExpr(DeclRefExpr *E) {
    auto *D = E->getDecl();
    if (isa<FunctionDecl>(D) || isa<VarDecl>(D)) {
      asImpl().visitUsedDecl(E->getLocation(), D);
    }
  }

  void VisitMemberExpr(MemberExpr *E) {
    auto *D = E->getMemberDecl();
    if (isa<FunctionDecl>(D) || isa<VarDecl>(D)) {
      asImpl().visitUsedDecl(E->getMemberLoc(), D);
    }
    asImpl().Visit(E->getBase());
  }

  void VisitCapturedStmt(CapturedStmt *Node) {
    asImpl().visitUsedDecl(Node->getBeginLoc(), Node->getCapturedDecl());
    Inherited::VisitCapturedStmt(Node);
  }

  void VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E) {
    asImpl().visitUsedDecl(
        E->getBeginLoc(),
        const_cast<CXXDestructorDecl *>(E->getTemporary()->getDestructor()));
    asImpl().Visit(E->getSubExpr());
  }

  void VisitCXXNewExpr(CXXNewExpr *E) {
    if (E->getOperatorNew())
      asImpl().visitUsedDecl(E->getBeginLoc(), E->getOperatorNew());
    if (E->getOperatorDelete())
      asImpl().visitUsedDecl(E->getBeginLoc(), E->getOperatorDelete());
    Inherited::VisitCXXNewExpr(E);
  }

  void VisitCXXDeleteExpr(CXXDeleteExpr *E) {
    if (E->getOperatorDelete())
      asImpl().visitUsedDecl(E->getBeginLoc(), E->getOperatorDelete());
    QualType DestroyedOrNull = E->getDestroyedType();
    if (!DestroyedOrNull.isNull()) {
      QualType Destroyed = S.Context.getBaseElementType(DestroyedOrNull);
      if (const RecordType *DestroyedRec = Destroyed->getAs<RecordType>()) {
        CXXRecordDecl *Record = cast<CXXRecordDecl>(DestroyedRec->getDecl());
        if (Record->getDefinition())
          asImpl().visitUsedDecl(E->getBeginLoc(), S.LookupDestructor(Record));
      }
    }

    Inherited::VisitCXXDeleteExpr(E);
  }

  void VisitCXXConstructExpr(CXXConstructExpr *E) {
    asImpl().visitUsedDecl(E->getBeginLoc(), E->getConstructor());
    CXXConstructorDecl *D = E->getConstructor();
    for (const CXXCtorInitializer *Init : D->inits()) {
      if (Init->isInClassMemberInitializer())
        asImpl().Visit(Init->getInit());
    }
    Inherited::VisitCXXConstructExpr(E);
  }

  void VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E) {
    asImpl().Visit(E->getExpr());
    Inherited::VisitCXXDefaultArgExpr(E);
  }

  void VisitCXXDefaultInitExpr(CXXDefaultInitExpr *E) {
    asImpl().Visit(E->getExpr());
    Inherited::VisitCXXDefaultInitExpr(E);
  }

  void VisitInitListExpr(InitListExpr *ILE) {
    if (ILE->hasArrayFiller())
      asImpl().Visit(ILE->getArrayFiller());
    Inherited::VisitInitListExpr(ILE);
  }

  void visitUsedDecl(SourceLocation Loc, Decl *D) {
    if (auto *CD = dyn_cast<CapturedDecl>(D)) {
      if (auto *S = CD->getBody()) {
        asImpl().Visit(S);
      }
    } else if (auto *CD = dyn_cast<BlockDecl>(D)) {
      if (auto *S = CD->getBody()) {
        asImpl().Visit(S);
      }
    }
  }
};
} // end namespace clang

#endif // LLVM_CLANG_LIB_SEMA_USEDDECLVISITOR_H

Line	Count	Source (jump to first uncovered line)
1		//===- UsedDeclVisitor.h - ODR-used declarations visitor --------- C++ --===//
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		// This file defines UsedDeclVisitor, a CRTP class which visits all the
9		// declarations that are ODR-used by an expression or statement.
10		//
11		//===----------------------------------------------------------------------===//
12
13		#ifndef LLVM_CLANG_LIB_SEMA_USEDDECLVISITOR_H
14		#define LLVM_CLANG_LIB_SEMA_USEDDECLVISITOR_H
15
16		#include "clang/AST/EvaluatedExprVisitor.h"
17		#include "clang/Sema/SemaInternal.h"
18
19		namespace clang {
20		template <class Derived>
21		class UsedDeclVisitor : public EvaluatedExprVisitor<Derived> {
22		protected:
23		Sema &S;
24
25		public:
26		typedef EvaluatedExprVisitor<Derived> Inherited;
27
28	0	UsedDeclVisitor(Sema &S) : Inherited(S.Context), S(S) {} Unexecuted instantiation: Sema.cpp:clang::UsedDeclVisitor<(anonymous namespace)::DeferredDiagnosticsEmitter>::UsedDeclVisitor(clang::Sema&) Unexecuted instantiation: SemaExpr.cpp:clang::UsedDeclVisitor<(anonymous namespace)::EvaluatedExprMarker>::UsedDeclVisitor(clang::Sema&)
29
30	0	Derived &asImpl() { return static_cast<Derived >(this); } Unexecuted instantiation: Sema.cpp:clang::UsedDeclVisitor<(anonymous namespace)::DeferredDiagnosticsEmitter>::asImpl() Unexecuted instantiation: SemaExpr.cpp:clang::UsedDeclVisitor<(anonymous namespace)::EvaluatedExprMarker>::asImpl()
31
32	0	void VisitDeclRefExpr(DeclRefExpr *E) {
33	0	auto *D = E->getDecl();
34	0	if (isa<FunctionDecl>(D) \|\| isa<VarDecl>(D)) {
35	0	asImpl().visitUsedDecl(E->getLocation(), D);
36	0	}
37	0	}
38
39	0	void VisitMemberExpr(MemberExpr *E) {
40	0	auto *D = E->getMemberDecl();
41	0	if (isa<FunctionDecl>(D) \|\| isa<VarDecl>(D)) {
42	0	asImpl().visitUsedDecl(E->getMemberLoc(), D);
43	0	}
44	0	asImpl().Visit(E->getBase());
45	0	}
46
47	0	void VisitCapturedStmt(CapturedStmt *Node) {
48	0	asImpl().visitUsedDecl(Node->getBeginLoc(), Node->getCapturedDecl());
49	0	Inherited::VisitCapturedStmt(Node);
50	0	} Unexecuted instantiation: Sema.cpp:clang::UsedDeclVisitor<(anonymous namespace)::DeferredDiagnosticsEmitter>::VisitCapturedStmt(clang::CapturedStmt) Unexecuted instantiation: SemaExpr.cpp:clang::UsedDeclVisitor<(anonymous namespace)::EvaluatedExprMarker>::VisitCapturedStmt(clang::CapturedStmt)
51
52	0	void VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E) {
53	0	asImpl().visitUsedDecl(
54	0	E->getBeginLoc(),
55	0	const_cast<CXXDestructorDecl *>(E->getTemporary()->getDestructor()));
56	0	asImpl().Visit(E->getSubExpr());
57	0	} Unexecuted instantiation: Sema.cpp:clang::UsedDeclVisitor<(anonymous namespace)::DeferredDiagnosticsEmitter>::VisitCXXBindTemporaryExpr(clang::CXXBindTemporaryExpr) Unexecuted instantiation: SemaExpr.cpp:clang::UsedDeclVisitor<(anonymous namespace)::EvaluatedExprMarker>::VisitCXXBindTemporaryExpr(clang::CXXBindTemporaryExpr)
58
59	0	void VisitCXXNewExpr(CXXNewExpr *E) {
60	0	if (E->getOperatorNew())
61	0	asImpl().visitUsedDecl(E->getBeginLoc(), E->getOperatorNew());
62	0	if (E->getOperatorDelete())
63	0	asImpl().visitUsedDecl(E->getBeginLoc(), E->getOperatorDelete());
64	0	Inherited::VisitCXXNewExpr(E);
65	0	} Unexecuted instantiation: Sema.cpp:clang::UsedDeclVisitor<(anonymous namespace)::DeferredDiagnosticsEmitter>::VisitCXXNewExpr(clang::CXXNewExpr) Unexecuted instantiation: SemaExpr.cpp:clang::UsedDeclVisitor<(anonymous namespace)::EvaluatedExprMarker>::VisitCXXNewExpr(clang::CXXNewExpr)
66
67	0	void VisitCXXDeleteExpr(CXXDeleteExpr *E) {
68	0	if (E->getOperatorDelete())
69	0	asImpl().visitUsedDecl(E->getBeginLoc(), E->getOperatorDelete());
70	0	QualType DestroyedOrNull = E->getDestroyedType();
71	0	if (!DestroyedOrNull.isNull()) {
72	0	QualType Destroyed = S.Context.getBaseElementType(DestroyedOrNull);
73	0	if (const RecordType *DestroyedRec = Destroyed->getAs<RecordType>()) {
74	0	CXXRecordDecl *Record = cast<CXXRecordDecl>(DestroyedRec->getDecl());
75	0	if (Record->getDefinition())
76	0	asImpl().visitUsedDecl(E->getBeginLoc(), S.LookupDestructor(Record));
77	0	}
78	0	}
79
80	0	Inherited::VisitCXXDeleteExpr(E);
81	0	} Unexecuted instantiation: Sema.cpp:clang::UsedDeclVisitor<(anonymous namespace)::DeferredDiagnosticsEmitter>::VisitCXXDeleteExpr(clang::CXXDeleteExpr) Unexecuted instantiation: SemaExpr.cpp:clang::UsedDeclVisitor<(anonymous namespace)::EvaluatedExprMarker>::VisitCXXDeleteExpr(clang::CXXDeleteExpr)
82
83	0	void VisitCXXConstructExpr(CXXConstructExpr *E) {
84	0	asImpl().visitUsedDecl(E->getBeginLoc(), E->getConstructor());
85	0	CXXConstructorDecl *D = E->getConstructor();
86	0	for (const CXXCtorInitializer *Init : D->inits()) {
87	0	if (Init->isInClassMemberInitializer())
88	0	asImpl().Visit(Init->getInit());
89	0	}
90	0	Inherited::VisitCXXConstructExpr(E);
91	0	} Unexecuted instantiation: Sema.cpp:clang::UsedDeclVisitor<(anonymous namespace)::DeferredDiagnosticsEmitter>::VisitCXXConstructExpr(clang::CXXConstructExpr) Unexecuted instantiation: SemaExpr.cpp:clang::UsedDeclVisitor<(anonymous namespace)::EvaluatedExprMarker>::VisitCXXConstructExpr(clang::CXXConstructExpr)
92
93	0	void VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E) {
94	0	asImpl().Visit(E->getExpr());
95	0	Inherited::VisitCXXDefaultArgExpr(E);
96	0	} Unexecuted instantiation: Sema.cpp:clang::UsedDeclVisitor<(anonymous namespace)::DeferredDiagnosticsEmitter>::VisitCXXDefaultArgExpr(clang::CXXDefaultArgExpr) Unexecuted instantiation: SemaExpr.cpp:clang::UsedDeclVisitor<(anonymous namespace)::EvaluatedExprMarker>::VisitCXXDefaultArgExpr(clang::CXXDefaultArgExpr)
97
98	0	void VisitCXXDefaultInitExpr(CXXDefaultInitExpr *E) {
99	0	asImpl().Visit(E->getExpr());
100	0	Inherited::VisitCXXDefaultInitExpr(E);
101	0	} Unexecuted instantiation: Sema.cpp:clang::UsedDeclVisitor<(anonymous namespace)::DeferredDiagnosticsEmitter>::VisitCXXDefaultInitExpr(clang::CXXDefaultInitExpr) Unexecuted instantiation: SemaExpr.cpp:clang::UsedDeclVisitor<(anonymous namespace)::EvaluatedExprMarker>::VisitCXXDefaultInitExpr(clang::CXXDefaultInitExpr)
102
103	0	void VisitInitListExpr(InitListExpr *ILE) {
104	0	if (ILE->hasArrayFiller())
105	0	asImpl().Visit(ILE->getArrayFiller());
106	0	Inherited::VisitInitListExpr(ILE);
107	0	} Unexecuted instantiation: Sema.cpp:clang::UsedDeclVisitor<(anonymous namespace)::DeferredDiagnosticsEmitter>::VisitInitListExpr(clang::InitListExpr) Unexecuted instantiation: SemaExpr.cpp:clang::UsedDeclVisitor<(anonymous namespace)::EvaluatedExprMarker>::VisitInitListExpr(clang::InitListExpr)
108
109	0	void visitUsedDecl(SourceLocation Loc, Decl *D) {
110	0	if (auto *CD = dyn_cast<CapturedDecl>(D)) {
111	0	if (auto *S = CD->getBody()) {
112	0	asImpl().Visit(S);
113	0	}
114	0	} else if (auto *CD = dyn_cast<BlockDecl>(D)) {
115	0	if (auto *S = CD->getBody()) {
116	0	asImpl().Visit(S);
117	0	}
118	0	}
119	0	}
120		};
121		} // end namespace clang
122
123		#endif // LLVM_CLANG_LIB_SEMA_USEDDECLVISITOR_H

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Created: 2024-01-17 10:31