tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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JSHandleRootedTypedefChecker.cpp (1404B)

      1 /* This Source Code Form is subject to the terms of the Mozilla Public
      2 * License, v. 2.0. If a copy of the MPL was not distributed with this
      3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      4 
      5 #include "JSHandleRootedTypedefChecker.h"
      6 #include "CustomMatchers.h"
      7 
      8 void JSHandleRootedTypedefChecker::registerMatchers(MatchFinder *AstMatcher) {
      9  AstMatcher->addMatcher(
     10      declaratorDecl(isUsingJSHandleRootedTypedef(), isNotSpiderMonkey())
     11          .bind("declaratorDecl"),
     12      this);
     13 }
     14 
     15 std::string getReplacement(std::string TypeName) {
     16  for (auto &pair : JSHandleRootedTypedefMap) {
     17    if (!TypeName.compare(pair[0])) {
     18      return pair[1];
     19    }
     20  }
     21  llvm_unreachable("Unexpected type name");
     22 }
     23 
     24 void JSHandleRootedTypedefChecker::check(
     25    const MatchFinder::MatchResult &Result) {
     26  const char *Error = "The fully qualified types are preferred over the "
     27                        "shorthand typedefs for JS::Handle/JS::Rooted types "
     28                        "outside SpiderMonkey.";
     29 
     30  const DeclaratorDecl *Declarator =
     31      Result.Nodes.getNodeAs<DeclaratorDecl>("declaratorDecl");
     32 
     33  std::string Replacement = getReplacement(Declarator->getType().getAsString());
     34  diag(Declarator->getBeginLoc(), Error, DiagnosticIDs::Error)
     35      << FixItHint::CreateReplacement(
     36             Declarator->getTypeSourceInfo()->getTypeLoc().getSourceRange(),
     37             Replacement);
     38 }