| //===--- DeclRefExprUtils.h - clang-tidy-------------------------*- 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_UTILS_DECLREFEXPRUTILS_H |
| #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_UTILS_DECLREFEXPRUTILS_H |
| |
| #include "clang/AST/ASTContext.h" |
| #include "clang/AST/Type.h" |
| #include "llvm/ADT/SmallPtrSet.h" |
| |
| namespace clang { |
| namespace tidy { |
| namespace utils { |
| namespace decl_ref_expr { |
| |
| /// Returns true if all ``DeclRefExpr`` to the variable within ``Stmt`` |
| /// do not modify it. |
| /// |
| /// Returns ``true`` if only const methods or operators are called on the |
| /// variable or the variable is a const reference or value argument to a |
| /// ``callExpr()``. |
| bool isOnlyUsedAsConst(const VarDecl &Var, const Stmt &Stmt, |
| ASTContext &Context); |
| |
| /// Returns set of all ``DeclRefExprs`` to ``VarDecl`` within ``Stmt``. |
| llvm::SmallPtrSet<const DeclRefExpr *, 16> |
| allDeclRefExprs(const VarDecl &VarDecl, const Stmt &Stmt, ASTContext &Context); |
| |
| /// Returns set of all ``DeclRefExprs`` to ``VarDecl`` within ``Decl``. |
| llvm::SmallPtrSet<const DeclRefExpr *, 16> |
| allDeclRefExprs(const VarDecl &VarDecl, const Decl &Decl, ASTContext &Context); |
| |
| /// Returns set of all ``DeclRefExprs`` to ``VarDecl`` within ``Stmt`` where |
| /// ``VarDecl`` is guaranteed to be accessed in a const fashion. |
| llvm::SmallPtrSet<const DeclRefExpr *, 16> |
| constReferenceDeclRefExprs(const VarDecl &VarDecl, const Stmt &Stmt, |
| ASTContext &Context); |
| |
| /// Returns ``true`` if ``DeclRefExpr`` is the argument of a copy-constructor |
| /// call expression within ``Decl``. |
| bool isCopyConstructorArgument(const DeclRefExpr &DeclRef, const Decl &Decl, |
| ASTContext &Context); |
| |
| /// Returns ``true`` if ``DeclRefExpr`` is the argument of a copy-assignment |
| /// operator CallExpr within ``Decl``. |
| bool isCopyAssignmentArgument(const DeclRefExpr &DeclRef, const Decl &Decl, |
| ASTContext &Context); |
| |
| } // namespace decl_ref_expr |
| } // namespace utils |
| } // namespace tidy |
| } // namespace clang |
| |
| #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_UTILS_DECLREFEXPRUTILS_H |