From dc380f017f3fed2847ea88107c7b74a91dc4ad23 Mon Sep 17 00:00:00 2001
From: Jason Cobb <jason.e.cobb@gmail.com>
Date: Tue, 7 Jan 2020 08:34:20 -0500
Subject: [PATCH] Make CallableDeclaration::annotation pure virtual

---
 libsolidity/ast/AST.cpp | 6 ------
 libsolidity/ast/AST.h   | 2 +-
 2 files changed, 1 insertion(+), 7 deletions(-)

diff --git a/libsolidity/ast/AST.cpp b/libsolidity/ast/AST.cpp
index 8fd482b73..f11725469 100644
--- a/libsolidity/ast/AST.cpp
+++ b/libsolidity/ast/AST.cpp
@@ -300,12 +300,6 @@ ContractKind FunctionDefinition::inContractKind() const
 	return contractDef->contractKind();
 }
 
-CallableDeclarationAnnotation& CallableDeclaration::annotation() const
-{
-	return abstractAnnotation<CallableDeclarationAnnotation>("CallableDeclarationAnnotation");
-}
-
-
 FunctionTypePointer FunctionDefinition::functionType(bool _internal) const
 {
 	if (_internal)
diff --git a/libsolidity/ast/AST.h b/libsolidity/ast/AST.h
index 28a5cc76e..5bb670d27 100644
--- a/libsolidity/ast/AST.h
+++ b/libsolidity/ast/AST.h
@@ -637,7 +637,7 @@ public:
 	bool markedVirtual() const { return m_isVirtual; }
 	virtual bool virtualSemantics() const { return markedVirtual(); }
 
-	CallableDeclarationAnnotation& annotation() const override;
+	CallableDeclarationAnnotation& annotation() const override = 0;
 
 protected:
 	ASTPointer<ParameterList> m_parameters;