Freed C++ objects allocated by the parser.

Signed-off-by: Dimitar Dobrev <dpldobrev@protonmail.com>

src/Core/Parser/ASTConverter.cs

@@ -351,6 +351,8 @@ namespace CppSharp
             foreach (var nativeObject in declConverter.NativeObjects)
                 nativeObject.Dispose();
 
+            Context.Dispose();
+
             return _ctx;
         }
     }
@@ -513,6 +515,7 @@ namespace CppSharp
             _arg.Type = VisitQualified(arg.Type);
             _arg.Declaration = declConverter.Visit(arg.Declaration);
             _arg.Integral = arg.Integral;
+            NativeObjects.Add(arg);
             return _arg;
         }
 
@@ -734,6 +737,8 @@ namespace CppSharp
                 _rawComment.FullComment = commentConverter.Visit(rawComment.FullCommentBlock)
                     as AST.FullComment;
 
+            NativeObjects.Add(rawComment);
+
             return _rawComment;
         }
 
@@ -1477,6 +1482,7 @@ namespace CppSharp
             _arg.Type = typeConverter.VisitQualified(arg.Type);
             _arg.Declaration = Visit(arg.Declaration);
             _arg.Integral = arg.Integral;
+            NativeObjects.Add(arg);
             return _arg;
         }
 

src/Core/Parser/Parser.cs

@@ -48,16 +48,14 @@ namespace CppSharp
         /// <summary>
         /// Parses a C++ source file to a translation unit.
         /// </summary>
-        public ParserResult ParseSourceFile(SourceFile file)
+        public void ParseSourceFile(SourceFile file)
         {
             var options = file.Options;
             options.ASTContext = ASTContext;
             options.FileName = file.Path;
 
-            var result = Parser.ClangParser.ParseHeader(options);
-            SourceParsed(file, result);
-
-            return result;
+            using (var result = Parser.ClangParser.ParseHeader(options))
+                SourceParsed(file, result);
         }
 
         /// <summary>

src/CppParser/AST.cpp

@@ -717,6 +717,8 @@ ClassTemplatePartialSpecialization* ClassTemplate::FindPartialSpecialization(con
 
 ASTContext::ASTContext() {}
 
+ASTContext::~ASTContext() {}
+
 TranslationUnit* ASTContext::FindOrCreateModule(std::string File)
 {
     auto normalizedFile = normalizePath(File);

src/CppParser/AST.h

@@ -875,6 +875,7 @@ class CS_API ASTContext
 {
 public:
     ASTContext();
+    ~ASTContext();
     TranslationUnit* FindOrCreateModule(std::string File);
     VECTOR(TranslationUnit*, TranslationUnits)
 };

src/CppParser/Target.cpp

@@ -42,4 +42,6 @@ ParserTargetInfo::ParserTargetInfo() :
 {
 }
 
+ParserTargetInfo::~ParserTargetInfo() {}
+
 } }

src/CppParser/Target.h

@@ -29,6 +29,7 @@ enum class ParserIntType
 struct CS_API ParserTargetInfo
 {
     ParserTargetInfo();
+    ~ParserTargetInfo();
 
     STRING(ABI);
 

src/Generator/Driver.cs

@@ -231,12 +231,15 @@ namespace CppSharp
                 var parser = new ClangParser();
                 parser.LibraryParsed += OnFileParsed;
 
-                var res = parser.ParseLibrary(library, Options);
+                using (var res = parser.ParseLibrary(library, Options))
+                {
+                    if (res.Kind != ParserResultKind.Success)
+                        continue;
 
-                if (res.Kind != ParserResultKind.Success)
-                    continue;
+                    Symbols.Libraries.Add(ClangParser.ConvertLibrary(res.Library));
 
-                Symbols.Libraries.Add(ClangParser.ConvertLibrary(res.Library));
+                    res.Library.Dispose();
+                }
             }
 
             return true;
@@ -502,6 +505,7 @@ namespace CppSharp
             }
 
             driver.Generator.Dispose();
+            driver.TargetInfo.Dispose();
         }
     }
 }