fune/build/clang-plugin/NoPrincipalGetURI.cpp
Mike Hommey 8a15bb728a Bug 1779346 - Fix NoPrincipalGetURI matchers. r=andi
A change in LLVM trunk (that was backed out but will reland later on trunk)
unveiled a longstanding issue in the NoPrincipalGetURI matcher, which
would make it fail to catch issues under some conditions.

Differential Revision: https://phabricator.services.mozilla.com/D152359
2022-07-22 07:59:35 +00:00

27 lines
1.1 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "NoPrincipalGetURI.h"
#include "CustomMatchers.h"
void NoPrincipalGetURI::registerMatchers(MatchFinder *AstMatcher) {
AstMatcher->addMatcher(
cxxMemberCallExpr(
allOf(callee(cxxMethodDecl(hasName("GetURI"))),
anyOf(on(hasType(hasCanonicalType(asString("class nsIPrincipal *")))),
on(hasType(hasCanonicalType(asString("class nsIPrincipal"))))),
unless(isInWhiteListForPrincipalGetUri())),
argumentCountIs(1))
.bind("id"),
this);
}
void NoPrincipalGetURI::check(const MatchFinder::MatchResult &Result) {
const auto *MatchedDecl = Result.Nodes.getNodeAs<CXXMemberCallExpr>("id");
diag(MatchedDecl->getExprLoc(),
"Principal->GetURI is deprecated and will be removed soon. Please "
"consider using the new helper functions of nsIPrincipal",
DiagnosticIDs::Error);
}