clang-tools  15.0.0git
FixItHintUtils.h
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1 //===--- FixItHintUtils.h - clang-tidy---------------------------*- 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 
9 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_UTILS_FIXITHINTUTILS_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_UTILS_FIXITHINTUTILS_H
11 
12 #include "clang/AST/ASTContext.h"
13 #include "clang/AST/Decl.h"
14 #include "clang/Sema/DeclSpec.h"
15 
16 namespace clang {
17 namespace tidy {
18 namespace utils {
19 namespace fixit {
20 
21 /// Creates fix to make ``VarDecl`` a reference by adding ``&``.
22 FixItHint changeVarDeclToReference(const VarDecl &Var, ASTContext &Context);
23 
24 /// This enum defines where the qualifier shall be preferably added.
25 enum class QualifierPolicy {
26  Left, // Add the qualifier always to the left side, if that is possible.
27  Right, // Add the qualifier always to the right side.
28 };
29 
30 /// This enum defines which entity is the target for adding the qualifier. This
31 /// makes only a difference for pointer-types. Other types behave identical
32 /// for either value of \c ConstTarget.
33 enum class QualifierTarget {
34  Pointee, /// Transforming a pointer attaches to the pointee and not the
35  /// pointer itself. For references and normal values this option has
36  /// no effect. `int * p = &i;` -> `const int * p = &i` or `int const
37  /// * p = &i`.
38  Value, /// Transforming pointers will consider the pointer itself.
39  /// `int * p = &i;` -> `int * const = &i`
40 };
41 
42 /// \brief Creates fix to qualify ``VarDecl`` with the specified \c Qualifier.
43 /// Requires that `Var` is isolated in written code like in `int foo = 42;`.
44 Optional<FixItHint>
45 addQualifierToVarDecl(const VarDecl &Var, const ASTContext &Context,
46  DeclSpec::TQ Qualifier,
49 } // namespace fixit
50 } // namespace utils
51 } // namespace tidy
52 } // namespace clang
53 
54 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_UTILS_FIXITHINTUTILS_H
clang::tidy::utils::fixit::QualifierTarget
QualifierTarget
This enum defines which entity is the target for adding the qualifier.
Definition: FixItHintUtils.h:33
clang::tidy::utils::fixit::addQualifierToVarDecl
Optional< FixItHint > addQualifierToVarDecl(const VarDecl &Var, const ASTContext &Context, DeclSpec::TQ Qualifier, QualifierTarget QualTarget, QualifierPolicy QualPolicy)
Creates fix to qualify VarDecl with the specified Qualifier.
Definition: FixItHintUtils.cpp:184
clang::tidy::utils::fixit::QualifierPolicy::Right
@ Right
clang::tidy::utils::fixit::QualifierTarget::Pointee
@ Pointee
clang::tidy::utils::fixit::changeVarDeclToReference
FixItHint changeVarDeclToReference(const VarDecl &Var, ASTContext &Context)
Creates fix to make VarDecl a reference by adding &.
Definition: FixItHintUtils.cpp:19
clang::tidy::utils::fixit::QualifierPolicy::Left
@ Left
clang::tidy::utils::fixit::QualifierTarget::Value
@ Value
Transforming a pointer attaches to the pointee and not the pointer itself.
clang
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
Definition: ApplyReplacements.h:27
clang::tidy::utils::fixit::QualifierPolicy
QualifierPolicy
This enum defines where the qualifier shall be preferably added.
Definition: FixItHintUtils.h:25