forked from OSchip/llvm-project
93 lines
3.4 KiB
C++
93 lines
3.4 KiB
C++
//===--- SimplifyBooleanExpr.h clang-tidy -----------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_SIMPLIFY_BOOLEAN_EXPR_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_SIMPLIFY_BOOLEAN_EXPR_H
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#include "../ClangTidyCheck.h"
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namespace clang {
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namespace tidy {
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namespace readability {
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/// Looks for boolean expressions involving boolean constants and simplifies
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/// them to use the appropriate boolean expression directly.
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///
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/// For the user-facing documentation see:
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/// http://clang.llvm.org/extra/clang-tidy/checks/readability-simplify-boolean-expr.html
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class SimplifyBooleanExprCheck : public ClangTidyCheck {
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public:
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SimplifyBooleanExprCheck(StringRef Name, ClangTidyContext *Context);
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void storeOptions(ClangTidyOptions::OptionMap &Options) override;
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void registerMatchers(ast_matchers::MatchFinder *Finder) override;
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void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
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llvm::Optional<TraversalKind> getCheckTraversalKind() const override {
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return TK_IgnoreUnlessSpelledInSource;
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}
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private:
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class Visitor;
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void reportBinOp(const ast_matchers::MatchFinder::MatchResult &Result,
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const BinaryOperator *Op);
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void matchBoolCondition(ast_matchers::MatchFinder *Finder, bool Value,
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StringRef BooleanId);
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void matchTernaryResult(ast_matchers::MatchFinder *Finder, bool Value,
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StringRef TernaryId);
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void matchIfReturnsBool(ast_matchers::MatchFinder *Finder, bool Value,
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StringRef Id);
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void matchIfAssignsBool(ast_matchers::MatchFinder *Finder, bool Value,
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StringRef Id);
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void matchCompoundIfReturnsBool(ast_matchers::MatchFinder *Finder, bool Value,
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StringRef Id);
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void
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replaceWithThenStatement(const ast_matchers::MatchFinder::MatchResult &Result,
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const Expr *BoolLiteral);
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void
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replaceWithElseStatement(const ast_matchers::MatchFinder::MatchResult &Result,
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const Expr *FalseConditionRemoved);
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void
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replaceWithCondition(const ast_matchers::MatchFinder::MatchResult &Result,
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const ConditionalOperator *Ternary,
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bool Negated = false);
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void replaceWithReturnCondition(
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const ast_matchers::MatchFinder::MatchResult &Result, const IfStmt *If,
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bool Negated = false);
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void
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replaceWithAssignment(const ast_matchers::MatchFinder::MatchResult &Result,
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const IfStmt *If, bool Negated = false);
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void replaceCompoundReturnWithCondition(
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const ast_matchers::MatchFinder::MatchResult &Result,
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const CompoundStmt *Compound, bool Negated = false);
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void issueDiag(const ast_matchers::MatchFinder::MatchResult &Result,
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SourceLocation Loc, StringRef Description,
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SourceRange ReplacementRange, StringRef Replacement);
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const bool ChainedConditionalReturn;
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const bool ChainedConditionalAssignment;
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};
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} // namespace readability
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} // namespace tidy
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} // namespace clang
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#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_SIMPLIFY_BOOLEAN_EXPR_H
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