diff --git a/libsolidity/interface/CompilerStack.cpp b/libsolidity/interface/CompilerStack.cpp
index bbebc2508..f72d2250f 100644
--- a/libsolidity/interface/CompilerStack.cpp
+++ b/libsolidity/interface/CompilerStack.cpp
@@ -247,6 +247,13 @@ void CompilerStack::setModelCheckerSettings(ModelCheckerSettings _settings)
 	m_modelCheckerSettings = _settings;
 }
 
+void CompilerStack::setCallback(ReadCallback::Callback _callback)
+{
+	if (m_stackState >= ParsedAndImported)
+		solThrow(CompilerError, "Must set callback before parsing.");
+	m_readFile = std::move(_callback);
+}
+
 void CompilerStack::setLibraries(map<string, util::h160> const& _libraries)
 {
 	if (m_stackState >= ParsedAndImported)
diff --git a/libsolidity/interface/CompilerStack.h b/libsolidity/interface/CompilerStack.h
index 8880770b8..b6a5048fb 100644
--- a/libsolidity/interface/CompilerStack.h
+++ b/libsolidity/interface/CompilerStack.h
@@ -197,6 +197,10 @@ public:
 		m_requestedContractNames = _contractNames;
 	}
 
+	/// Sets callback for reading from files or interactinng with SMT solvers.
+	/// Must be set before parsing.
+	void setCallback(ReadCallback::Callback _callback);
+
 	/// Enable EVM Bytecode generation. This is enabled by default.
 	void enableEvmBytecodeGeneration(bool _enable = true) { m_generateEvmBytecode = _enable; }