| //===--- AvoidReferenceCoroutineParametersCheck.cpp - clang-tidy ----------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "AvoidReferenceCoroutineParametersCheck.h" |
| #include "clang/AST/ASTContext.h" |
| #include "clang/ASTMatchers/ASTMatchFinder.h" |
| |
| using namespace clang::ast_matchers; |
| |
| namespace clang::tidy::cppcoreguidelines { |
| |
| void AvoidReferenceCoroutineParametersCheck::registerMatchers( |
| MatchFinder *Finder) { |
| Finder->addMatcher( |
| functionDecl(unless(parameterCountIs(0)), hasBody(coroutineBodyStmt())) |
| .bind("fnt"), |
| this); |
| } |
| |
| void AvoidReferenceCoroutineParametersCheck::check( |
| const MatchFinder::MatchResult &Result) { |
| const auto *Function = Result.Nodes.getNodeAs<FunctionDecl>("fnt"); |
| for (const ParmVarDecl *Param : Function->parameters()) { |
| if (!Param->getType().getCanonicalType()->isReferenceType()) |
| continue; |
| |
| diag(Param->getBeginLoc(), "coroutine parameters should not be references"); |
| } |
| } |
| |
| } // namespace clang::tidy::cppcoreguidelines |