From 8c5aae0722c56395f59814ea5029bbaa81f68625 Mon Sep 17 00:00:00 2001
From: Allofich <rickywd@gmail.com>
Date: Sun, 21 Aug 2016 18:18:41 +0900
Subject: [PATCH] Add virtual destructors

---
 components/compiler/lineparser.cpp      | 2 ++
 components/compiler/lineparser.hpp      | 3 +++
 components/misc/messageformatparser.cpp | 2 ++
 components/misc/messageformatparser.hpp | 2 ++
 4 files changed, 9 insertions(+)

diff --git a/components/compiler/lineparser.cpp b/components/compiler/lineparser.cpp
index a5b67f58be..ad79877efb 100644
--- a/components/compiler/lineparser.cpp
+++ b/components/compiler/lineparser.cpp
@@ -59,6 +59,8 @@ namespace Compiler
        mExprParser (errorHandler, context, locals, literals), mAllowExpression (allowExpression)
     {}
 
+    LineParser::~LineParser() {}
+
     bool LineParser::parseInt (int value, const TokenLoc& loc, Scanner& scanner)
     {
         if (mAllowExpression && mState==BeginState)
diff --git a/components/compiler/lineparser.hpp b/components/compiler/lineparser.hpp
index d92c4895e2..1de4fa9274 100644
--- a/components/compiler/lineparser.hpp
+++ b/components/compiler/lineparser.hpp
@@ -51,6 +51,9 @@ namespace Compiler
                 bool allowExpression = false);
             ///< \param allowExpression Allow lines consisting of a naked expression
             /// (result is send to the messagebox interface)
+            
+            virtual ~LineParser();
+            ///< destructor
 
             virtual bool parseInt (int value, const TokenLoc& loc, Scanner& scanner);
             ///< Handle an int token.
diff --git a/components/misc/messageformatparser.cpp b/components/misc/messageformatparser.cpp
index 7c0c978b29..bfd8dd562d 100644
--- a/components/misc/messageformatparser.cpp
+++ b/components/misc/messageformatparser.cpp
@@ -2,6 +2,8 @@
 
 namespace Misc
 {
+    MessageFormatParser::~MessageFormatParser() {}
+
     void MessageFormatParser::process(const std::string& m)
     {
         for (unsigned int i = 0; i < m.size(); ++i)
diff --git a/components/misc/messageformatparser.hpp b/components/misc/messageformatparser.hpp
index 48faff714d..c12b9352ae 100644
--- a/components/misc/messageformatparser.hpp
+++ b/components/misc/messageformatparser.hpp
@@ -19,6 +19,8 @@ namespace Misc
             virtual void visitedCharacter(char c) = 0;
 
         public:
+            virtual ~MessageFormatParser();
+
             virtual void process(const std::string& message);
     };
 }