1 files changed, 27 insertions, 11 deletions

diff --git a/test/tools/fuzzer.cpp b/test/tools/fuzzer.cpp
index ce4b721f..509c5975 100644
--- a/test/tools/fuzzer.cpp
+++ b/test/tools/fuzzer.cpp
@@ -28,6 +28,7 @@
 #include <boost/program_options.hpp>
 
 #include <string>
+#include <sstream>
 #include <iostream>
 
 using namespace std;
@@ -48,15 +49,17 @@ string contains(string const& _haystack, vector<string> const& _needles)
 	return "";
 }
 
-void testConstantOptimizer()
+void testConstantOptimizer(string const& input)
 {
 	if (!quiet)
 		cout << "Testing constant optimizer" << endl;
 	vector<u256> numbers;
-	while (!cin.eof())
+	stringstream sin(input);
+
+	while (!sin.eof())
 	{
 		h256 data;
-		cin.read(reinterpret_cast<char*>(data.data()), 32);
+		sin.read(reinterpret_cast<char*>(data.data()), 32);
 		numbers.push_back(u256(data));
 	}
 	if (!quiet)
@@ -108,20 +111,18 @@ void runCompiler(string input)
 		}
 }
 
-void testStandardCompiler()
+void testStandardCompiler(string const& input)
 {
 	if (!quiet)
 		cout << "Testing compiler via JSON interface." << endl;
-	string input = readStandardInput();
 
 	runCompiler(input);
 }
 
-void testCompiler(bool optimize)
+void testCompiler(string const& input, bool optimize)
 {
 	if (!quiet)
 		cout << "Testing compiler " << (optimize ? "with" : "without") << " optimizer." << endl;
-	string input = readStandardInput();
 
 	Json::Value config = Json::objectValue;
 	config["language"] = "Solidity";
@@ -168,15 +169,24 @@ Allowed options)",
 			"Expects a binary string of up to 32 bytes on stdin."
 		)
 		(
+			"input-file",
+			po::value<string>(),
+			"input file"
+		)
+		(
 			"without-optimizer",
 			"Run without optimizations. Cannot be used together with standard-json."
 		);
 
+	// All positional options should be interpreted as input files
+	po::positional_options_description filesPositions;
+	filesPositions.add("input-file", 1);
+
 	po::variables_map arguments;
 	try
 	{
 		po::command_line_parser cmdLineParser(argc, argv);
-		cmdLineParser.options(options);
+		cmdLineParser.options(options).positional(filesPositions);
 		po::store(cmdLineParser.run(), arguments);
 	}
 	catch (po::error const& _exception)
@@ -185,17 +195,23 @@ Allowed options)",
 		return 1;
 	}
 
+	string input;
+	if (arguments.count("input-file"))
+		input = readFileAsString(arguments["input-file"].as<string>());
+	else
+		input = readStandardInput();
+
 	if (arguments.count("quiet"))
 		quiet = true;
 
 	if (arguments.count("help"))
 		cout << options;
 	else if (arguments.count("const-opt"))
-		testConstantOptimizer();
+		testConstantOptimizer(input);
 	else if (arguments.count("standard-json"))
-		testStandardCompiler();
+		testStandardCompiler(input);
 	else
-		testCompiler(!arguments.count("without-optimizer"));
+		testCompiler(input, !arguments.count("without-optimizer"));
 
 	return 0;
 }