From 2b898fc06a761e22914299d587d953a2261b7a28 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pawe=C5=82=20Bylica?= <pawel.bylica@imapp.pl>
Date: Mon, 27 Oct 2014 12:42:32 +0100
Subject: [PATCH] Introducing RuntimeHelper - a compiler helper that depends on
 runtime data [#81470252]

---
 libevmjit/CompilerHelper.cpp |  8 ++++++++
 libevmjit/CompilerHelper.h   | 17 +++++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/libevmjit/CompilerHelper.cpp b/libevmjit/CompilerHelper.cpp
index b919043f2c..c2d612c668 100644
--- a/libevmjit/CompilerHelper.cpp
+++ b/libevmjit/CompilerHelper.cpp
@@ -3,6 +3,8 @@
 
 #include <llvm/IR/Function.h>
 
+#include "Runtime.h"
+
 namespace dev
 {
 namespace eth
@@ -29,6 +31,12 @@ llvm::Function* CompilerHelper::getMainFunction()
 	return mainFunc;
 }
 
+
+RuntimeHelper::RuntimeHelper(RuntimeManager& _runtimeManager):
+	CompilerHelper(_runtimeManager.getBuilder()),
+	m_runtimeManager(_runtimeManager)
+{}
+
 }
 }
 }
diff --git a/libevmjit/CompilerHelper.h b/libevmjit/CompilerHelper.h
index 23bbcbd112..cf83d70cd8 100644
--- a/libevmjit/CompilerHelper.h
+++ b/libevmjit/CompilerHelper.h
@@ -10,6 +10,7 @@ namespace eth
 {
 namespace jit
 {
+class RuntimeManager;
 
 /// Base class for compiler helpers like Memory, GasMeter, etc.
 class CompilerHelper
@@ -28,6 +29,22 @@ protected:
 
 	/// Reference to parent compiler IR builder
 	llvm::IRBuilder<>& m_builder;
+	llvm::IRBuilder<>& getBuilder() { return m_builder; }
+
+	friend class RuntimeHelper;
+};
+
+
+/// Compiler helper that depends on runtime data
+class RuntimeHelper : public CompilerHelper
+{
+protected:
+	RuntimeHelper(RuntimeManager& _runtimeManager);
+
+	RuntimeManager& getRuntimeManager() { return m_runtimeManager; }
+
+private:
+	RuntimeManager& m_runtimeManager;
 };