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diff --git a/libsolidity/interface/ErrorReporter.h b/libsolidity/interface/ErrorReporter.h
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+/*
+	This file is part of solidity.
+
+	solidity is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	solidity is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with solidity.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/**
+ * @author Rhett <roadriverrail@gmail.com>
+ * @date 2017
+ * Error reporting helper class.
+ */
+
+#pragma once
+
+#include <libsolidity/interface/Exceptions.h>
+#include <libevmasm/SourceLocation.h>
+
+namespace dev
+{
+namespace solidity
+{
+
+class ASTNode;
+
+class ErrorReporter
+{
+public:
+
+	ErrorReporter(ErrorList& _errors):
+		m_errorList(_errors) { }
+
+	ErrorReporter& operator=(ErrorReporter const& _errorReporter);
+
+	void warning(std::string const& _description = std::string());
+
+	void warning(
+		SourceLocation const& _location = SourceLocation(),
+		std::string const& _description = std::string()
+	);
+
+	void error(
+		Error::Type _type,
+		SourceLocation const& _location = SourceLocation(),
+		std::string const& _description = std::string()
+	);
+
+	void declarationError(
+		SourceLocation const& _location,
+		SecondarySourceLocation const& _secondaryLocation = SecondarySourceLocation(),
+		std::string const& _description = std::string()
+	);
+
+	void declarationError(
+		SourceLocation const& _location,
+		std::string const& _description = std::string()
+	);
+
+	void fatalDeclarationError(SourceLocation const& _location, std::string const& _description);
+
+	void parserError(SourceLocation const& _location, std::string const& _description);
+
+	void fatalParserError(SourceLocation const& _location, std::string const& _description);
+
+	void syntaxError(SourceLocation const& _location, std::string const& _description);
+
+	void typeError(SourceLocation const& _location, std::string const& _description);
+
+	void fatalTypeError(SourceLocation const& _location, std::string const& _description);
+
+	void docstringParsingError(std::string const& _location);
+
+	ErrorList const& errors() const;
+
+	void clear();
+
+private:
+	void error(Error::Type _type,
+		SourceLocation const& _location,
+		SecondarySourceLocation const& _secondaryLocation,
+		std::string const& _description = std::string());
+
+	void fatalError(Error::Type _type,
+		SourceLocation const& _location = SourceLocation(),
+		std::string const& _description = std::string());
+
+	ErrorList& m_errorList;
+};
+
+
+}
+}
+