[PATCH] D94877: Add API to retrieve a clade kind from ASTNodeKind

[Stephen Kelly via Phabricator via cfe-commits]

steveire created this revision.
steveire added a reviewer: aaron.ballman.
steveire requested review of this revision.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D94877

Files:
  clang/include/clang/AST/ASTTypeTraits.h
  clang/lib/AST/ASTTypeTraits.cpp


Index: clang/lib/AST/ASTTypeTraits.cpp
===================================================================
--- clang/lib/AST/ASTTypeTraits.cpp
+++ clang/lib/AST/ASTTypeTraits.cpp
@@ -63,6 +63,17 @@
   return Derived == Base;
 }
 
+ASTNodeKind ASTNodeKind::getCladeKind() const {
+  auto LastId = KindId;
+  while (LastId) {
+    auto ParentId = AllKindInfo[LastId].ParentId;
+    if (ParentId == NKI_None)
+      return LastId;
+    LastId = ParentId;
+  }
+  return NKI_None;
+}
+
 StringRef ASTNodeKind::asStringRef() const { return AllKindInfo[KindId].Name; }
 
 ASTNodeKind ASTNodeKind::getMostDerivedType(ASTNodeKind Kind1,
Index: clang/include/clang/AST/ASTTypeTraits.h
===================================================================
--- clang/include/clang/AST/ASTTypeTraits.h
+++ clang/include/clang/AST/ASTTypeTraits.h
@@ -100,6 +100,8 @@
   static ASTNodeKind getMostDerivedCommonAncestor(ASTNodeKind Kind1,
                                                   ASTNodeKind Kind2);
 
+  ASTNodeKind getCladeKind() const;
+
   /// Hooks for using ASTNodeKind as a key in a DenseMap.
   struct DenseMapInfo {
     // ASTNodeKind() is a good empty key because it is represented as a 0.



Index: clang/lib/AST/ASTTypeTraits.cpp
===================================================================
--- clang/lib/AST/ASTTypeTraits.cpp
+++ clang/lib/AST/ASTTypeTraits.cpp
@@ -63,6 +63,17 @@
   return Derived == Base;
 }
 
+ASTNodeKind ASTNodeKind::getCladeKind() const {
+  auto LastId = KindId;
+  while (LastId) {
+    auto ParentId = AllKindInfo[LastId].ParentId;
+    if (ParentId == NKI_None)
+      return LastId;
+    LastId = ParentId;
+  }
+  return NKI_None;
+}
+
 StringRef ASTNodeKind::asStringRef() const { return AllKindInfo[KindId].Name; }
 
 ASTNodeKind ASTNodeKind::getMostDerivedType(ASTNodeKind Kind1,
Index: clang/include/clang/AST/ASTTypeTraits.h
===================================================================
--- clang/include/clang/AST/ASTTypeTraits.h
+++ clang/include/clang/AST/ASTTypeTraits.h
@@ -100,6 +100,8 @@
   static ASTNodeKind getMostDerivedCommonAncestor(ASTNodeKind Kind1,
                                                   ASTNodeKind Kind2);
 
+  ASTNodeKind getCladeKind() const;
+
   /// Hooks for using ASTNodeKind as a key in a DenseMap.
   struct DenseMapInfo {
     // ASTNodeKind() is a good empty key because it is represented as a 0.

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