Added first implementation of arduino preprocessor

Author: cmaglie

CommandLine.cpp

@@ -0,0 +1,72 @@
+/*
+ * This file is part of arduino-preprocessor.
+ *
+ * Copyright 2017 BCMI LABS SA
+ *
+ * arduino-preprocessor 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 2 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction.  Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License.  This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ */
+
+#include "CommandLine.h"
+#include "Config.h"
+
+#include <iostream>
+
+using namespace std;
+
+bool debugOutput;
+bool outputOnlyNeededPrototypes;
+
+static cl::OptionCategory arduinoToolCategory("Arduino options");
+// TODO: add complete help
+static cl::extrahelp arduinoHelp("\n"
+        "arduino-preprocessor is a command-line utility based on LLVM and clang tooling.\n"
+        "\n"
+        );
+static cl::extrahelp commonHelp(CommonOptionsParser::HelpMessage);
+static cl::opt<bool> debugOutputOpt("debug");
+static cl::opt<bool> outputOnlyNeededPrototypesOpt("output-only-needed-prototypes");
+
+static void printVersion() {
+    cout << "Arduino (https://www.arduino.cc/):\n";
+    cout << "  arduino-preprocessor version " VERSION "\n";
+}
+
+CommonOptionsParser doCommandLineParsing(int argc, const char **argv) {
+    debugOutputOpt.setCategory(arduinoToolCategory);
+    debugOutputOpt.setInitialValue(false);
+    debugOutputOpt.setDescription("Print debugging messages from Arduino preprocessor");
+
+    outputOnlyNeededPrototypesOpt.setCategory(arduinoToolCategory);
+    outputOnlyNeededPrototypesOpt.setInitialValue(false);
+    outputOnlyNeededPrototypesOpt.setDescription("Output a prototype only if a forward declaration is needed (experimental)");
+
+    cl::AddExtraVersionPrinter(printVersion);
+
+    CommonOptionsParser optParser(argc, argv, arduinoToolCategory);
+
+    debugOutput = debugOutputOpt.getValue();
+    outputOnlyNeededPrototypes = outputOnlyNeededPrototypesOpt.getValue();
+
+    return optParser;
+}

CommandLine.h

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+/*
+ * This file is part of arduino-preprocessor.
+ *
+ * Copyright 2017 BCMI LABS SA
+ *
+ * arduino-preprocessor 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 2 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction.  Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License.  This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ */
+
+#pragma once
+
+#include <clang/Tooling/CommonOptionsParser.h>
+#include <clang/Tooling/Tooling.h>
+
+using namespace clang;
+using namespace clang::tooling;
+using namespace llvm;
+
+extern bool debugOutput;
+extern bool outputOnlyNeededPrototypes;
+
+CommonOptionsParser doCommandLineParsing(int argc, const char **argv);

Config.h

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+/*
+ * This file is part of arduino-preprocessor.
+ *
+ * Copyright 2017 BCMI LABS SA
+ *
+ * arduino-preprocessor 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 2 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction.  Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License.  This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ */
+
+#pragma once
+
+#define VERSION "0.0.1"