diff --git a/src/CLineParser.cpp b/src/CLineParser.cpp
new file mode 100644
index 0000000..a7afaba
--- /dev/null
+++ b/src/CLineParser.cpp
@@ -0,0 +1,77 @@
+/*
+ * Monicelli: an esoteric language compiler
+ *
+ * Copyright (C) 2014 Stefano Sanfilippo
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ */
+
+#include "CLineParser.hpp"
+
+#include
+#include
+#include
+#include
+
+namespace po = boost::program_options;
+using namespace monicelli;
+
+static po::variables_map CONFIG;
+static const std::string VERSION_STRING =
+ "mcc, Monicelli compiler \n"
+ "\n"
+ "Copyright © 2014,2015 Stefano Sanfilippo\n"
+ "\n"
+ "This program comes with ABSOLUTELY NO WARRANTY;\n"
+ "This is free software, and you are welcome to redistribute it\n"
+ "under certain conditions; See LICENSE.txt for all details"
+;
+
+po::variables_map const& monicelli::getConfig() {
+ return CONFIG;
+}
+
+void monicelli::parseCommandLine(int argc, char **argv) {
+ po::options_description desc(
+ std::string("Usage: ") + argv[0] + " [options] file.mc ..."
+ );
+ desc.add_options()
+ ("help,h", "display this help message")
+ ("version,v", "display version")
+ ("input,i", po::value>(), "input files to process")
+ ;
+
+ po::positional_options_description positional;
+ positional.add("input", -1);
+
+ po::store(
+ po::command_line_parser(argc, argv)
+ .options(desc)
+ .positional(positional)
+ .run(),
+ CONFIG
+ );
+
+ po::notify(CONFIG);
+
+ if (configHas("help")) {
+ std::cout << desc;
+ exit(0);
+ }
+
+ if (configHas("version")) {
+ std::cout << VERSION_STRING << std::endl;
+ exit(0);
+ }
+}
diff --git a/src/CLineParser.hpp b/src/CLineParser.hpp
new file mode 100644
index 0000000..46dae91
--- /dev/null
+++ b/src/CLineParser.hpp
@@ -0,0 +1,43 @@
+#ifndef CLINE_PARSER_HPP
+#define CLINE_PARSER_HPP
+
+/*
+ * Monicelli: an esoteric language compiler
+ *
+ * Copyright (C) 2014 Stefano Sanfilippo
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ */
+
+#include
+
+namespace monicelli {
+
+boost::program_options::variables_map const& getConfig();
+
+void parseCommandLine(int argc, char **argv);
+
+template inline
+T config(std::string const& name) {
+ return getConfig()[name].as();
+}
+
+static inline
+bool configHas(std::string const& name) {
+ return getConfig().count(name);
+}
+
+}
+
+#endif
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index ad0d297..76ea90e 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -30,7 +30,7 @@ endif()
## 2. External components
-find_package(Boost 1.48 REQUIRED regex system filesystem)
+find_package(Boost 1.48 REQUIRED regex system filesystem program_options)
find_package(LLVM REQUIRED CONFIG)
find_library(YAML_LIBRARIES yaml-cpp)
@@ -59,7 +59,7 @@ flex_target(Scanner Monicelli.lpp ${CMAKE_CURRENT_BINARY_DIR}/Lexer.cpp)
add_flex_bison_dependency(Scanner Parser)
add_executable(mcc
- main.cpp Nodes.cpp
+ main.cpp Nodes.cpp CLineParser.cpp
ModuleRegistry.cpp ModuleLoader.cpp
${BISON_Parser_OUTPUTS} ${FLEX_Scanner_OUTPUTS}
CppEmitter.cpp BitcodeEmitter.cpp
diff --git a/src/main.cpp b/src/main.cpp
index d5e5e0d..907d697 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -23,6 +23,7 @@
#include "ModuleRegistry.hpp"
#include "ModuleLoader.hpp"
#include "BitcodeEmitter.hpp"
+#include "CLineParser.hpp"
#include
#include
@@ -40,6 +41,10 @@ using namespace monicelli;
int main(int argc, char **argv) {
+ parseCommandLine(argc, argv);
+
+ if (!configHas("input")) return 0;
+
registerStdLib(getModuleRegistry());
boost::regex namere("^(.+)\\.mc$");
@@ -48,8 +53,7 @@ int main(int argc, char **argv) {
std::vector sources;
std::vector modules;
- for (int i = 1; i < argc; ++i) {
- std::string arg(argv[i]);
+ for (std::string const& arg: config>("input")) {
if (boost::regex_match(arg, namere)) {
sources.push_back(arg);
} else if (boost::regex_match(arg, modulere)) {