From a95511600fd0d23997c6291c6df63343b0a9b59b Mon Sep 17 00:00:00 2001
From: Dimitar Dobrev <dpldobrev@protonmail.com>
Date: Wed, 23 Dec 2015 03:45:44 +0200
Subject: [PATCH] Fixed the destruction of comments another way because this
 one crashes the OS X build.

See https://github.com/mono/CppSharp/issues/599.

Signed-off-by: Dimitar Dobrev <dpldobrev@protonmail.com>
---
 src/CppParser/AST.cpp | 55 +++++++++++++++++++++++++++++++++++++++----
 src/CppParser/AST.h   |  1 -
 2 files changed, 51 insertions(+), 5 deletions(-)

diff --git a/src/CppParser/AST.cpp b/src/CppParser/AST.cpp
index c4b1b2f589..1a2a7c1791 100644
--- a/src/CppParser/AST.cpp
+++ b/src/CppParser/AST.cpp
@@ -809,8 +809,6 @@ TranslationUnit* ASTContext::FindOrCreateModule(std::string File)
 // Comments
 Comment::Comment(CommentKind kind) : Kind(kind) {}
 
-Comment::~Comment() {}
-
 DEF_STRING(RawComment, Text)
 DEF_STRING(RawComment, BriefText)
 
@@ -827,7 +825,33 @@ FullComment::FullComment() : Comment(CommentKind::FullComment) {}
 FullComment::~FullComment()
 {
     for (auto& block : Blocks)
-        delete block;
+    {
+        // HACK: see https://github.com/mono/CppSharp/issues/599
+        switch (block->Kind)
+        {
+        case CommentKind::BlockCommandComment:
+            delete static_cast<BlockCommandComment*>(block);
+            break;
+        case CommentKind::ParamCommandComment:
+            delete static_cast<ParamCommandComment*>(block);
+            break;
+        case CommentKind::TParamCommandComment:
+            delete static_cast<TParamCommandComment*>(block);
+            break;
+        case CommentKind::VerbatimBlockComment:
+            delete static_cast<VerbatimBlockComment*>(block);
+            break;
+        case CommentKind::VerbatimLineComment:
+            delete static_cast<VerbatimLineComment*>(block);
+            break;
+        case CommentKind::ParagraphComment:
+            delete static_cast<ParagraphComment*>(block);
+            break;
+        default:
+            delete block;
+            break;
+        }
+    }
 }
 
 DEF_VECTOR(FullComment, BlockContentComment*, Blocks)
@@ -871,7 +895,30 @@ ParagraphComment::ParagraphComment() : BlockContentComment(CommentKind::Paragrap
 ParagraphComment::~ParagraphComment()
 {
     for (auto& content : Content)
-        delete content;
+    {
+        // HACK: see https://github.com/mono/CppSharp/issues/599
+        switch (content->Kind)
+        {
+        case CommentKind::InlineCommandComment:
+            delete static_cast<InlineCommandComment*>(content);
+            break;
+        case CommentKind::HTMLTagComment:
+            delete static_cast<HTMLTagComment*>(content);
+            break;
+        case CommentKind::HTMLStartTagComment:
+            delete static_cast<HTMLStartTagComment*>(content);
+            break;
+        case CommentKind::HTMLEndTagComment:
+            delete static_cast<HTMLEndTagComment*>(content);
+            break;
+        case CommentKind::TextComment:
+            delete static_cast<TextComment*>(content);
+            break;
+        default:
+            delete content;
+            break;
+        }
+    }
 }
 
 DEF_VECTOR(ParagraphComment, InlineContentComment*, Content)
diff --git a/src/CppParser/AST.h b/src/CppParser/AST.h
index b6dccd088a..5a87e0d7af 100644
--- a/src/CppParser/AST.h
+++ b/src/CppParser/AST.h
@@ -932,7 +932,6 @@ class CS_API CS_ABSTRACT Comment
 {
 public:
     Comment(CommentKind kind);
-    virtual ~Comment();
     CommentKind Kind;
 };