| 1 | //===--- DefaultArgumentsCallsCheck.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 "DefaultArgumentsCallsCheck.h" |
| 10 | |
| 11 | using namespace clang::ast_matchers; |
| 12 | |
| 13 | namespace clang::tidy::fuchsia { |
| 14 | |
| 15 | void DefaultArgumentsCallsCheck::registerMatchers(MatchFinder *Finder) { |
| 16 | // Calling a function which uses default arguments is disallowed. |
| 17 | Finder->addMatcher(NodeMatch: cxxDefaultArgExpr().bind(ID: "stmt"), Action: this); |
| 18 | } |
| 19 | |
| 20 | void DefaultArgumentsCallsCheck::check(const MatchFinder::MatchResult &Result) { |
| 21 | const auto *S = Result.Nodes.getNodeAs<CXXDefaultArgExpr>(ID: "stmt"); |
| 22 | if (!S) |
| 23 | return; |
| 24 | |
| 25 | diag(Loc: S->getUsedLocation(), |
| 26 | Description: "calling a function that uses a default argument is disallowed"); |
| 27 | diag(S->getParam()->getBeginLoc(), "default parameter was declared here", |
| 28 | DiagnosticIDs::Note); |
| 29 | } |
| 30 | |
| 31 | } // namespace clang::tidy::fuchsia |
| 32 |