From 4136ff9a5997fca89ec5305d904d6b07f3d3e2f5 Mon Sep 17 00:00:00 2001
From: chriseth <chris@ethereum.org>
Date: Mon, 28 Aug 2017 20:40:38 +0200
Subject: Extract base from NameAndType and use compiler stack.

---
 test/libsolidity/AnalysisFramework.cpp | 127 +++++++++++++++++++++++++++++++++
 1 file changed, 127 insertions(+)
 create mode 100644 test/libsolidity/AnalysisFramework.cpp

(limited to 'test/libsolidity/AnalysisFramework.cpp')

diff --git a/test/libsolidity/AnalysisFramework.cpp b/test/libsolidity/AnalysisFramework.cpp
new file mode 100644
index 00000000..173d46bc
--- /dev/null
+++ b/test/libsolidity/AnalysisFramework.cpp
@@ -0,0 +1,127 @@
+/*
+	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/>.
+*/
+/**
+ * Framework for testing features from the analysis phase of compiler.
+ */
+
+#include <test/libsolidity/AnalysisFramework.h>
+
+#include <libsolidity/interface/CompilerStack.h>
+#include <libsolidity/interface/SourceReferenceFormatter.h>
+
+#include <libsolidity/ast/AST.h>
+
+#include <libdevcore/SHA3.h>
+
+#include <boost/test/unit_test.hpp>
+
+using namespace std;
+using namespace dev;
+using namespace dev::solidity;
+using namespace dev::solidity::test;
+
+pair<SourceUnit const*, shared_ptr<Error const>>
+AnalysisFramework::parseAnalyseAndReturnError(
+	string const& _source,
+	bool _reportWarnings,
+	bool _insertVersionPragma,
+	bool _allowMultipleErrors
+)
+{
+	m_compiler.reset();
+	m_compiler.addSource("", _insertVersionPragma ? "pragma solidity >=0.0;\n" + _source : _source);
+	if (!m_compiler.parse())
+	{
+		printErrors();
+		BOOST_ERROR("Parsing contract failed in analysis test suite.");
+	}
+
+	m_compiler.analyze();
+
+	std::shared_ptr<Error const> firstError;
+	for (auto const& currentError: m_compiler.errors())
+	{
+		solAssert(currentError->comment(), "");
+		if (currentError->comment()->find("This is a pre-release compiler version") == 0)
+			continue;
+
+		if (_reportWarnings == (currentError->type() == Error::Type::Warning))
+		{
+			if (firstError && !_allowMultipleErrors)
+			{
+				printErrors();
+				BOOST_FAIL("Multiple errors found.");
+			}
+			if (!firstError)
+				firstError = currentError;
+		}
+	}
+
+	return make_pair(&m_compiler.ast(), firstError);
+}
+
+SourceUnit const* AnalysisFramework::parseAndAnalyse(string const& _source)
+{
+	auto sourceAndError = parseAnalyseAndReturnError(_source);
+	BOOST_REQUIRE(!!sourceAndError.first);
+	BOOST_REQUIRE(!sourceAndError.second);
+	return sourceAndError.first;
+}
+
+bool AnalysisFramework::success(string const& _source)
+{
+	return !parseAnalyseAndReturnError(_source).second;
+}
+
+Error AnalysisFramework::expectError(std::string const& _source, bool _warning, bool _allowMultiple)
+{
+	auto sourceAndError = parseAnalyseAndReturnError(_source, _warning, true, _allowMultiple);
+	BOOST_REQUIRE(!!sourceAndError.second);
+	BOOST_REQUIRE(!!sourceAndError.first);
+	return *sourceAndError.second;
+}
+
+void AnalysisFramework::printErrors()
+{
+	for (auto const& error: m_compiler.errors())
+		SourceReferenceFormatter::printExceptionInformation(
+			std::cerr,
+			*error,
+			(error->type() == Error::Type::Warning) ? "Warning" : "Error",
+			[&](std::string const& _sourceName) -> solidity::Scanner const& { return m_compiler.scanner(_sourceName); }
+		);
+}
+
+ContractDefinition const* AnalysisFramework::retrieveContract(SourceUnit const& _source, unsigned index)
+{
+	ContractDefinition* contract = nullptr;
+	unsigned counter = 0;
+	for (shared_ptr<ASTNode> const& node: _source.nodes())
+		if ((contract = dynamic_cast<ContractDefinition*>(node.get())) && counter == index)
+			return contract;
+
+	return nullptr;
+}
+
+FunctionTypePointer AnalysisFramework::retrieveFunctionBySignature(
+	ContractDefinition const& _contract,
+	std::string const& _signature
+)
+{
+	FixedHash<4> hash(dev::keccak256(_signature));
+	return _contract.interfaceFunctions()[hash];
+}
-- 
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