10 #include "clang/AST/ASTContext.h" 11 #include "clang/ASTMatchers/ASTMatchFinder.h" 12 #include "clang/Lex/Lexer.h" 13 #include "clang/Tooling/FixIt.h" 19 namespace readability {
21 void MisplacedArrayIndexCheck::registerMatchers(MatchFinder *Finder) {
22 Finder->addMatcher(arraySubscriptExpr(hasLHS(hasType(isInteger())),
23 hasRHS(hasType(isAnyPointer())))
28 void MisplacedArrayIndexCheck::check(
const MatchFinder::MatchResult &Result) {
29 const auto *ArraySubscriptE =
30 Result.Nodes.getNodeAs<ArraySubscriptExpr>(
"expr");
32 auto Diag = diag(ArraySubscriptE->getBeginLoc(),
"confusing array subscript " 33 "expression, usually the " 34 "index is inside the []");
38 const Expr *RHSE = ArraySubscriptE->getRHS()->IgnoreParenImpCasts();
39 if (!isa<StringLiteral>(RHSE) && !isa<DeclRefExpr>(RHSE) &&
40 !isa<MemberExpr>(RHSE))
43 const StringRef LText = tooling::fixit::getText(
44 ArraySubscriptE->getLHS()->getSourceRange(), *Result.Context);
45 const StringRef RText = tooling::fixit::getText(
46 ArraySubscriptE->getRHS()->getSourceRange(), *Result.Context);
48 Diag << FixItHint::CreateReplacement(
49 ArraySubscriptE->getLHS()->getSourceRange(), RText);
50 Diag << FixItHint::CreateReplacement(
51 ArraySubscriptE->getRHS()->getSourceRange(), LText);
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//