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/* 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 */
#ifndef BaseCheck_h__
#define BaseCheck_h__
class MozContext {};
typedef MozContext ContextType;
class BaseCheck : public MatchFinder::MatchCallback {
BaseCheck(StringRef CheckName, ContextType *Context) {}
virtual void registerMatchers(MatchFinder *Finder) {}
virtual void registerPPCallbacks(CompilerInstance &CI) {}
virtual void check(const MatchFinder::MatchResult &Result) {}
DiagnosticBuilder diag(SourceLocation Loc, StringRef Description,
DiagnosticIDs::Level Level = DiagnosticIDs::Warning) {
DiagnosticsEngine &Diag = Context->getDiagnostics();
unsigned ID = Diag.getDiagnosticIDs()->getCustomDiagID(Level, Description);
return Diag.Report(Loc, ID);
void run(const MatchFinder::MatchResult &Result) override {
Context = Result.Context;
ASTContext *Context;