From 5ab4a1ae7819004415293bf72a86824beb43cd51 Mon Sep 17 00:00:00 2001
From: chriseth <chris@ethereum.org>
Date: Wed, 21 Feb 2018 23:43:40 +0100
Subject: Add ability to set the target EVM version.

---
 libsolidity/interface/StandardCompiler.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'libsolidity/interface/StandardCompiler.cpp')

diff --git a/libsolidity/interface/StandardCompiler.cpp b/libsolidity/interface/StandardCompiler.cpp
index 91fe72ae..ee9b1440 100644
--- a/libsolidity/interface/StandardCompiler.cpp
+++ b/libsolidity/interface/StandardCompiler.cpp
@@ -318,6 +318,14 @@ Json::Value StandardCompiler::compileInternal(Json::Value const& _input)
 
 	Json::Value const& settings = _input.get("settings", Json::Value());
 
+	if (settings.isMember("evmVersion"))
+	{
+		boost::optional<EVMVersion> version = EVMVersion::fromString(settings.get("evmVersion", {}).asString());
+		if (!version)
+			return formatFatalError("JSONError", "Invalid EVM version requested.");
+		m_compilerStack.setEVMVersion(*version);
+	}
+
 	vector<string> remappings;
 	for (auto const& remapping: settings.get("remappings", Json::Value()))
 		remappings.push_back(remapping.asString());
-- 
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