1 | //===--- AvoidReferenceCoroutineParametersCheck.cpp - clang-tidy ----------===// |
---|---|
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 | #include "AvoidReferenceCoroutineParametersCheck.h" |
10 | #include "clang/ASTMatchers/ASTMatchFinder.h" |
11 | |
12 | using namespace clang::ast_matchers; |
13 | |
14 | namespace clang::tidy::cppcoreguidelines { |
15 | |
16 | void AvoidReferenceCoroutineParametersCheck::registerMatchers( |
17 | MatchFinder *Finder) { |
18 | Finder->addMatcher( |
19 | NodeMatch: functionDecl(unless(parameterCountIs(N: 0)), hasBody(InnerMatcher: coroutineBodyStmt())) |
20 | .bind(ID: "fnt"), |
21 | Action: this); |
22 | } |
23 | |
24 | void AvoidReferenceCoroutineParametersCheck::check( |
25 | const MatchFinder::MatchResult &Result) { |
26 | const auto *Function = Result.Nodes.getNodeAs<FunctionDecl>(ID: "fnt"); |
27 | for (const ParmVarDecl *Param : Function->parameters()) { |
28 | if (!Param->getType().getCanonicalType()->isReferenceType()) |
29 | continue; |
30 | |
31 | diag(Param->getBeginLoc(), "coroutine parameters should not be references"); |
32 | } |
33 | } |
34 | |
35 | } // namespace clang::tidy::cppcoreguidelines |
36 |