From: Ted Kremenek <kremenek@apple.com>
Date: Mon, 19 May 2008 22:02:12 +0000 (+0000)
Subject: Added Stmt::DestroyChildren, which will be used by the dstors of the subclasses of... 
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=9c1863ef36a74e8203f00289d19856ad956f48b9;p=clang

Added Stmt::DestroyChildren, which will be used by the dstors of the subclasses of Stmt to recursively delete their child AST nodes.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@51278 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/clang/AST/Stmt.h b/include/clang/AST/Stmt.h
index 5875d008b3..dac69a1610 100644
--- a/include/clang/AST/Stmt.h
+++ b/include/clang/AST/Stmt.h
@@ -50,6 +50,12 @@ public:
 };
 private:
   const StmtClass sClass;
+  
+protected:
+  /// DestroyChildren - Invoked by destructors of subclasses of Stmt to
+  ///  recursively release child AST nodes.
+  void DestroyChildren();
+  
 public:
   Stmt(StmtClass SC) : sClass(SC) { 
     if (Stmt::CollectingStats()) Stmt::addStmtClass(SC);
diff --git a/lib/AST/Stmt.cpp b/lib/AST/Stmt.cpp
index 572280bc05..ffc6c2e62a 100644
--- a/lib/AST/Stmt.cpp
+++ b/lib/AST/Stmt.cpp
@@ -42,6 +42,11 @@ const char *Stmt::getStmtClassName() const {
   return getStmtInfoTableEntry(sClass).Name;
 }
 
+void Stmt::DestroyChildren() {
+  for (child_iterator I = child_begin(), E = child_end(); I !=E; ++I)
+    delete *I; // Handles the case when *I == NULL.
+}
+
 void Stmt::PrintStats() {
   // Ensure the table is primed.
   getStmtInfoTableEntry(Stmt::NullStmtClass);