103 lines
4.1 KiB
C++
103 lines
4.1 KiB
C++
//===--- NarrowingConversionsCheck.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_CPPCOREGUIDELINES_NARROWING_CONVERSIONS_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_NARROWING_CONVERSIONS_H
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#include "../ClangTidy.h"
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namespace clang {
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namespace tidy {
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namespace cppcoreguidelines {
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/// Checks for narrowing conversions, e.g:
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/// int i = 0;
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/// i += 0.1;
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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/cppcoreguidelines-narrowing-conversions.html
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class NarrowingConversionsCheck : public ClangTidyCheck {
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public:
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NarrowingConversionsCheck(StringRef Name, ClangTidyContext *Context);
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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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private:
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void diagNarrowType(SourceLocation SourceLoc, const Expr &Lhs,
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const Expr &Rhs);
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void diagNarrowTypeToSignedInt(SourceLocation SourceLoc, const Expr &Lhs,
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const Expr &Rhs);
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void diagNarrowIntegerConstant(SourceLocation SourceLoc, const Expr &Lhs,
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const Expr &Rhs, const llvm::APSInt &Value);
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void diagNarrowIntegerConstantToSignedInt(SourceLocation SourceLoc,
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const Expr &Lhs, const Expr &Rhs,
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const llvm::APSInt &Value,
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const uint64_t HexBits);
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void diagNarrowConstant(SourceLocation SourceLoc, const Expr &Lhs,
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const Expr &Rhs);
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void diagConstantCast(SourceLocation SourceLoc, const Expr &Lhs,
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const Expr &Rhs);
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void diagNarrowTypeOrConstant(const ASTContext &Context,
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SourceLocation SourceLoc, const Expr &Lhs,
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const Expr &Rhs);
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void handleIntegralCast(const ASTContext &Context, SourceLocation SourceLoc,
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const Expr &Lhs, const Expr &Rhs);
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void handleIntegralToBoolean(const ASTContext &Context,
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SourceLocation SourceLoc, const Expr &Lhs,
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const Expr &Rhs);
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void handleIntegralToFloating(const ASTContext &Context,
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SourceLocation SourceLoc, const Expr &Lhs,
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const Expr &Rhs);
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void handleFloatingToIntegral(const ASTContext &Context,
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SourceLocation SourceLoc, const Expr &Lhs,
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const Expr &Rhs);
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void handleFloatingToBoolean(const ASTContext &Context,
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SourceLocation SourceLoc, const Expr &Lhs,
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const Expr &Rhs);
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void handleBooleanToSignedIntegral(const ASTContext &Context,
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SourceLocation SourceLoc, const Expr &Lhs,
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const Expr &Rhs);
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void handleFloatingCast(const ASTContext &Context, SourceLocation SourceLoc,
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const Expr &Lhs, const Expr &Rhs);
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void handleBinaryOperator(const ASTContext &Context, SourceLocation SourceLoc,
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const Expr &Lhs, const Expr &Rhs);
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bool handleConditionalOperator(const ASTContext &Context, const Expr &Lhs,
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const Expr &Rhs);
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void handleImplicitCast(const ASTContext &Context,
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const ImplicitCastExpr &Cast);
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void handleBinaryOperator(const ASTContext &Context,
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const BinaryOperator &Op);
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const bool WarnOnFloatingPointNarrowingConversion;
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const bool PedanticMode;
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};
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} // namespace cppcoreguidelines
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} // namespace tidy
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} // namespace clang
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#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_NARROWING_CONVERSIONS_H
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