[yul-phaser] Add ProgramCacheFactory class

tools/yulPhaser/Phaser.cpp

@@ -283,6 +283,25 @@ Population PopulationFactory::buildFromFile(
 	return buildFromStrings(readLinesFromFile(_filePath), move(_fitnessMetric));
 }
 
+ProgramCacheFactory::Options ProgramCacheFactory::Options::fromCommandLine(po::variables_map const& _arguments)
+{
+	return {
+		_arguments["program-cache"].as<bool>(),
+	};
+}
+
+vector<shared_ptr<ProgramCache>> ProgramCacheFactory::build(
+	Options const& _options,
+	vector<Program> _programs
+)
+{
+	vector<shared_ptr<ProgramCache>> programCaches;
+	for (Program& program: _programs)
+		programCaches.push_back(_options.programCacheEnabled ? make_shared<ProgramCache>(move(program)) : nullptr);
+
+	return programCaches;
+}
+
 ProgramFactory::Options ProgramFactory::Options::fromCommandLine(po::variables_map const& _arguments)
 {
 	return {

tools/yulPhaser/Phaser.h

@@ -45,6 +45,7 @@ class FitnessMetric;
 class GeneticAlgorithm;
 class Population;
 class Program;
+class ProgramCache;
 
 enum class Algorithm
 {
@@ -160,6 +161,25 @@ public:
 	);
 };
 
+/**
+ * Builds and validates instances of @a ProgramCache.
+ */
+class ProgramCacheFactory
+{
+public:
+	struct Options
+	{
+		bool programCacheEnabled;
+
+		static Options fromCommandLine(boost::program_options::variables_map const& _arguments);
+	};
+
+	static std::vector<std::shared_ptr<ProgramCache>> build(
+		Options const& _options,
+		std::vector<Program> _programs
+	);
+};
+
 /**
  * Builds and validates instances of @a Program.
  */