10 #include "clang/AST/ASTContext.h" 11 #include "clang/ASTMatchers/ASTMatchFinder.h" 18 return Node.getBeginLoc().isValid();
22 clang::ast_matchers::internal::Matcher<clang::Type>,
25 return TypeNode !=
nullptr &&
26 InnerMatcher.matches(*TypeNode, Finder,
Builder);
30 return Node.isExternCContext();
34 const clang::DeclContext *DC = Node.getDeclContext();
35 const auto *FD = llvm::dyn_cast<clang::FunctionDecl>(DC);
36 return FD ? FD->isMain() :
false;
45 void AvoidCArraysCheck::registerMatchers(MatchFinder *Finder) {
47 if (!getLangOpts().CPlusPlus11)
51 typeLoc(hasValidBeginLoc(), hasType(arrayType()),
52 unless(anyOf(hasParent(parmVarDecl(isArgvOfMain())),
53 hasParent(varDecl(isExternC())),
55 hasParent(recordDecl(isExternCContext())))),
56 hasAncestor(functionDecl(isExternC())))))
61 void AvoidCArraysCheck::check(
const MatchFinder::MatchResult &
Result) {
62 const auto *ArrayType = Result.Nodes.getNodeAs<TypeLoc>(
"typeloc");
64 static constexpr llvm::StringLiteral UseArray = llvm::StringLiteral(
65 "do not declare C-style arrays, use std::array<> instead");
66 static constexpr llvm::StringLiteral UseVector = llvm::StringLiteral(
67 "do not declare C VLA arrays, use std::vector<> instead");
69 diag(ArrayType->getBeginLoc(),
70 ArrayType->getTypePtr()->isVariableArrayType() ? UseVector : UseArray);
AST_MATCHER(Expr, isMacroID)
CodeCompletionBuilder Builder
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
llvm::Optional< llvm::Expected< tooling::AtomicChanges > > Result
AST_MATCHER_P(CXXMethodDecl, hasCanonicalDecl, ast_matchers::internal::Matcher< CXXMethodDecl >, InnerMatcher)