Provide optional list of contract names to CompilerStack.compile

libsolidity/interface/CompilerStack.cpp

@@ -252,6 +252,14 @@ bool CompilerStack::parseAndAnalyze()
 	return parse() && analyze();
 }
 
+bool CompilerStack::isRequestedContract(ContractDefinition const& _contract) const
+{
+	return
+		m_requestedContractNames.empty() ||
+		m_requestedContractNames.count(_contract.fullyQualifiedName()) ||
+		m_requestedContractNames.count(_contract.name());
+}
+
 bool CompilerStack::compile()
 {
 	if (m_stackState < AnalysisSuccessful)
@@ -262,7 +270,8 @@ bool CompilerStack::compile()
 	for (Source const* source: m_sourceOrder)
 		for (ASTPointer<ASTNode> const& node: source->ast->nodes())
 			if (auto contract = dynamic_cast<ContractDefinition const*>(node.get()))
-				compileContract(*contract, compiledContracts);
+				if (isRequestedContract(*contract))
+					compileContract(*contract, compiledContracts);
 	this->link();
 	m_stackState = CompilationSuccessful;
 	return true;

libsolidity/interface/CompilerStack.h

@@ -116,6 +116,13 @@ class CompilerStack: boost::noncopyable
 		m_optimizeRuns = _runs;
 	}
 
+	/// Sets the list of requested contract names. If empty, no filtering is performed and every contract
+	/// found in the supplied sources is compiled. Names are cleared iff @a _contractNames is missing.
+	void setRequestedContractNames(std::set<std::string> const& _contractNames = std::set<std::string>{})
+	{
+		m_requestedContractNames = _contractNames;
+	}
+
 	/// @arg _metadataLiteralSources When true, store sources as literals in the contract metadata.
 	void useMetadataLiteralSources(bool _metadataLiteralSources) { m_metadataLiteralSources = _metadataLiteralSources; }
 
@@ -259,6 +266,9 @@ class CompilerStack: boost::noncopyable
 	/// Helper function to return path converted strings.
 	std::string sanitizePath(std::string const& _path) const { return boost::filesystem::path(_path).generic_string(); }
 
+	/// @returns true if the contract is requested to be compiled.
+	bool isRequestedContract(ContractDefinition const& _contract) const;
+
 	/// Compile a single contract and put the result in @a _compiledContracts.
 	void compileContract(
 		ContractDefinition const& _contract,
@@ -297,6 +307,7 @@ class CompilerStack: boost::noncopyable
 	ReadCallback::Callback m_smtQuery;
 	bool m_optimize = false;
 	unsigned m_optimizeRuns = 200;
+	std::set<std::string> m_requestedContractNames;
 	std::map<std::string, h160> m_libraries;
 	/// list of path prefix remappings, e.g. mylibrary: github.com/ethereum = /usr/local/ethereum
 	/// "context:prefix=target"