[clang] Adapt ASTMatcher to explicit(bool) specifier

Summary:
Changes:
 - add an ast matcher for deductiong guide.
 - allow isExplicit matcher for deductiong guide.
 - add hasExplicitSpecifier matcher which give access to the expression of the explicit specifier if present.

Reviewers: klimek, rsmith, aaron.ballman

Reviewed By: aaron.ballman

Subscribers: aaron.ballman, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D61552

llvm-svn: 363855

1 files changed, 2 insertions, 0 deletions

diff --git a/clang/lib/ASTMatchers/Dynamic/Registry.cpp b/clang/lib/ASTMatchers/Dynamic/Registry.cpp
index 8c37689a4c8..33058053571 100644
--- a/clang/lib/ASTMatchers/Dynamic/Registry.cpp
+++ b/clang/lib/ASTMatchers/Dynamic/Registry.cpp
@@ -169,6 +169,7 @@ RegistryMaps::RegistryMaps() {
   REGISTER_MATCHER(cxxConstructorDecl);
   REGISTER_MATCHER(cxxConversionDecl);
   REGISTER_MATCHER(cxxCtorInitializer);
+  REGISTER_MATCHER(cxxDeductionGuideDecl);
   REGISTER_MATCHER(cxxDefaultArgExpr);
   REGISTER_MATCHER(cxxDeleteExpr);
   REGISTER_MATCHER(cxxDependentScopeMemberExpr);
@@ -267,6 +268,7 @@ RegistryMaps::RegistryMaps() {
   REGISTER_MATCHER(hasEitherOperand);
   REGISTER_MATCHER(hasElementType);
   REGISTER_MATCHER(hasElse);
+  REGISTER_MATCHER(hasExplicitSpecifier);
   REGISTER_MATCHER(hasExternalFormalLinkage);
   REGISTER_MATCHER(hasFalseExpression);
   REGISTER_MATCHER(hasGlobalStorage);