1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
//===--- SimplifyBooleanExpr.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_READABILITY_SIMPLIFY_BOOLEAN_EXPR_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_SIMPLIFY_BOOLEAN_EXPR_H
#include "../ClangTidyCheck.h"
namespace clang::tidy::readability {
/// Looks for boolean expressions involving boolean constants and simplifies
/// them to use the appropriate boolean expression directly.
///
/// For the user-facing documentation see:
/// http://clang.llvm.org/extra/clang-tidy/checks/readability/simplify-boolean-expr.html
class SimplifyBooleanExprCheck : public ClangTidyCheck {
public:
SimplifyBooleanExprCheck(StringRef Name, ClangTidyContext *Context);
void storeOptions(ClangTidyOptions::OptionMap &Options) override;
void registerMatchers(ast_matchers::MatchFinder *Finder) override;
void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
std::optional<TraversalKind> getCheckTraversalKind() const override {
return TK_IgnoreUnlessSpelledInSource;
}
private:
class Visitor;
void reportBinOp(const ASTContext &Context, const BinaryOperator *Op);
void replaceWithThenStatement(const ASTContext &Context,
const IfStmt *IfStatement,
const Expr *BoolLiteral);
void replaceWithElseStatement(const ASTContext &Context,
const IfStmt *IfStatement,
const Expr *BoolLiteral);
void replaceWithCondition(const ASTContext &Context,
const ConditionalOperator *Ternary, bool Negated);
void replaceWithReturnCondition(const ASTContext &Context, const IfStmt *If,
const Expr *BoolLiteral, bool Negated);
void replaceWithAssignment(const ASTContext &Context, const IfStmt *If,
const Expr *Var, SourceLocation Loc, bool Negated);
void replaceCompoundReturnWithCondition(const ASTContext &Context,
const ReturnStmt *Ret, bool Negated,
const IfStmt *If,
const Expr *ThenReturn);
bool reportDeMorgan(const ASTContext &Context, const UnaryOperator *Outer,
const BinaryOperator *Inner, bool TryOfferFix,
const Stmt *Parent, const ParenExpr *Parens);
void issueDiag(const ASTContext &Result, SourceLocation Loc,
StringRef Description, SourceRange ReplacementRange,
StringRef Replacement);
const bool ChainedConditionalReturn;
const bool ChainedConditionalAssignment;
const bool SimplifyDeMorgan;
const bool SimplifyDeMorganRelaxed;
};
} // namespace clang::tidy::readability
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_SIMPLIFY_BOOLEAN_EXPR_H
|
