|
150
|
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 {
|
|
|
14 namespace tidy {
|
|
|
15 namespace fuchsia {
|
|
|
16
|
|
|
17 void DefaultArgumentsCallsCheck::registerMatchers(MatchFinder *Finder) {
|
|
|
18 // Calling a function which uses default arguments is disallowed.
|
|
|
19 Finder->addMatcher(cxxDefaultArgExpr().bind("stmt"), this);
|
|
|
20 }
|
|
|
21
|
|
|
22 void DefaultArgumentsCallsCheck::check(const MatchFinder::MatchResult &Result) {
|
|
|
23 const auto *S = Result.Nodes.getNodeAs<CXXDefaultArgExpr>("stmt");
|
|
|
24 if (!S)
|
|
|
25 return;
|
|
|
26
|
|
|
27 diag(S->getUsedLocation(),
|
|
|
28 "calling a function that uses a default argument is disallowed");
|
|
|
29 diag(S->getParam()->getBeginLoc(), "default parameter was declared here",
|
|
|
30 DiagnosticIDs::Note);
|
|
|
31 }
|
|
|
32
|
|
|
33 } // namespace fuchsia
|
|
|
34 } // namespace tidy
|
|
|
35 } // namespace clang
|
