Add support for plugin arguments.

Add argument command.

2 files changed, 65 insertions, 0 deletions

diff --git a/src/command.h b/src/command.h
new file mode 100644
index 0000000..c2f129c
--- /dev/null
+++ b/src/command.h
@@ -0,0 +1,31 @@
+/*
+ *  Copyright (C) 2015  Andrei Karas
+ *
+ *  This file is part of AstDumper.
+ *
+ *  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
+ *  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 <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef COMMAND_H
+#define COMMAND_H
+
+enum Command : int
+{
+    Parse = 0,
+    Dump
+};
+
+extern Command command;
+
+#endif  // COMMAND_H
diff --git a/src/plugin.cpp b/src/plugin.cpp
index 121457c..78f3ee1 100644
--- a/src/plugin.cpp
+++ b/src/plugin.cpp
@@ -19,12 +19,20 @@
 
 #include "includes.h"
 
+#include "plugin-version.h"
+#include "diagnostic.h"
+#include "intl.h"
+
+#include "command.h"
+
 #include "parsers/generic.h"
 
 #include "localconsts.h"
 
 int plugin_is_GPL_compatible = 1;
 
+Command command = Command::Dump;
+
 static void pre_generic(void *gcc_data,
                         void *user_data A_UNUSED)
 {
@@ -34,6 +42,32 @@ static void pre_generic(void *gcc_data,
 int plugin_init (struct plugin_name_args *plugin_info,
                  struct plugin_gcc_version *version A_UNUSED)
 {
+    const char *const plugin_name = plugin_info->base_name;
+    const int argc = plugin_info->argc;
+    struct plugin_argument *argv = plugin_info->argv;
+    for (int f = 0; f < argc; f ++)
+    {
+        if (!strcmp (argv[f].key, "command"))
+        {
+            const std::string cmd = argv[f].value;
+            if (cmd == "parse")
+            {
+                command = Command::Parse;
+            }
+            else if (cmd == "dump")
+            {
+                command = Command::Dump;
+            }
+            else
+            {
+                error("Plugin %s. Unknown command: %s",
+                    plugin_name,
+                    cmd.c_str());
+                return 0;
+            }
+        }
+    }
+
     register_callback(plugin_info->base_name,
         PLUGIN_PRE_GENERICIZE,
         &pre_generic,