Add CLI and JSON option to select SMTChecker targets

libsolidity/formal/ModelChecker.h

@@ -26,14 +26,13 @@
 #include <libsolidity/formal/BMC.h>
 #include <libsolidity/formal/CHC.h>
 #include <libsolidity/formal/EncodingContext.h>
+#include <libsolidity/formal/ModelCheckerSettings.h>
 
 #include <libsolidity/interface/ReadFile.h>
 
 #include <libsmtutil/SolverInterface.h>
 #include <liblangutil/ErrorReporter.h>
 
-#include <optional>
-
 namespace solidity::langutil
 {
 class ErrorReporter;
@@ -43,40 +42,6 @@ struct SourceLocation;
 namespace solidity::frontend
 {
 
-struct ModelCheckerEngine
-{
-	bool bmc = false;
-	bool chc = false;
-
-	static constexpr ModelCheckerEngine All() { return {true, true}; }
-	static constexpr ModelCheckerEngine BMC() { return {true, false}; }
-	static constexpr ModelCheckerEngine CHC() { return {false, true}; }
-	static constexpr ModelCheckerEngine None() { return {false, false}; }
-
-	bool none() const { return !any(); }
-	bool any() const { return bmc || chc; }
-	bool all() const { return bmc && chc; }
-
-	static std::optional<ModelCheckerEngine> fromString(std::string const& _engine)
-	{
-		static std::map<std::string, ModelCheckerEngine> engineMap{
-			{"all", All()},
-			{"bmc", BMC()},
-			{"chc", CHC()},
-			{"none", None()}
-		};
-		if (engineMap.count(_engine))
-			return engineMap.at(_engine);
-		return {};
-	}
-};
-
-struct ModelCheckerSettings
-{
-	ModelCheckerEngine engine = ModelCheckerEngine::All();
-	std::optional<unsigned> timeout;
-};
-
 class ModelChecker
 {
 public: