Add formatted printing to SyntaxTest and expand its public interface.

1 files changed, 66 insertions, 0 deletions

diff --git a/test/libsolidity/FormattedScope.h b/test/libsolidity/FormattedScope.h
new file mode 100644
index 00000000..78560848
--- /dev/null
+++ b/test/libsolidity/FormattedScope.h
@@ -0,0 +1,66 @@
+/*
+	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/>.
+*/
+
+#pragma once
+
+#include <boost/noncopyable.hpp>
+
+#include <ostream>
+#include <vector>
+
+namespace dev
+{
+namespace solidity
+{
+namespace test
+{
+
+namespace formatting
+{
+
+static constexpr char const* RESET = "\033[0m";
+static constexpr char const* RED  = "\033[1;31m";
+static constexpr char const* GREEN = "\033[1;32m";
+static constexpr char const* YELLOW = "\033[1;33m";
+static constexpr char const* CYAN = "\033[1;36m";
+static constexpr char const* BOLD = "\033[1m";
+static constexpr char const* INVERSE = "\033[7m";
+
+}
+
+class FormattedScope: boost::noncopyable
+{
+public:
+	/// @arg _formatting List of formatting strings (e.g. colors) defined in the formatting namespace.
+	FormattedScope(std::ostream& _stream, bool const _enabled, std::vector<char const*> const& _formatting):
+		m_stream(_stream), m_enabled(_enabled)
+	{
+		if (m_enabled)
+			for (auto const& format: _formatting)
+				m_stream << format;
+	}
+	~FormattedScope() { if (m_enabled) m_stream << formatting::RESET; }
+	template<typename T>
+	std::ostream& operator<<(T&& _t) { return m_stream << std::forward<T>(_t); }
+private:
+	std::ostream& m_stream;
+	bool m_enabled;
+};
+
+}
+}
+}