Make gldbg interactive

[gldbg.git] / source / commandinterpreter.cpp

diff --git a/source/commandinterpreter.cpp b/source/commandinterpreter.cpp
new file mode 100644 (file)
index 0000000..71e8ee7
--- /dev/null
+++ b/source/commandinterpreter.cpp
@@ -0,0 +1,114 @@
+/* $Id$
+
+This file is part of gldbg
+Copyright © 2009  Mikko Rasa, Mikkosoft Productions
+Distributed under the GPL
+*/
+
+#include <msp/core/except.h>
+#include <msp/io/file.h>
+#include <msp/io/print.h>
+#include <msp/strings/lexicalcast.h>
+#include "commandinterpreter.h"
+#include "gldbg.h"
+#include "tracer.h"
+
+using namespace std;
+using namespace Msp;
+
+CommandInterpreter::CommandInterpreter(GlDbg &d):
+       gldbg(d)
+{
+       commands["run"] = &CommandInterpreter::cmd_run;
+       commands["continue"] = &CommandInterpreter::cmd_continue;
+       commands["c"] = &CommandInterpreter::cmd_continue;
+       commands["kill"] = &CommandInterpreter::cmd_kill;
+       commands["signal"] = &CommandInterpreter::cmd_signal;
+       commands["exit"] = &CommandInterpreter::cmd_exit;
+       commands["quit"] = &CommandInterpreter::cmd_exit;
+       commands["trace"] = &CommandInterpreter::cmd_trace;
+}
+
+void CommandInterpreter::execute(const string &cmd)
+{
+       unsigned space = cmd.find(' ');
+       string name = cmd.substr(0, space);
+       CommandMap::const_iterator i = commands.lower_bound(name);
+       if(i==commands.end() || i->first.compare(0, name.size(), name))
+               throw KeyError("Unknown command", name);
+       if(i->first!=name)
+       {
+               CommandMap::const_iterator j = i;
+               if((++j)!=commands.end() && !j->first.compare(0, name.size(), name))
+                       throw KeyError("Ambiguous command", name);
+       }
+
+       string args;
+       if(space!=string::npos)
+               args = cmd.substr(space+1);
+
+       (this->*(i->second))(args);
+}
+
+
+void CommandInterpreter::cmd_run(const string &)
+{
+       gldbg.launch();
+}
+
+void CommandInterpreter::cmd_continue(const string &)
+{
+       gldbg.get_process().resume();
+}
+
+void CommandInterpreter::cmd_signal(const string &args)
+{
+       gldbg.get_process().resume(lexical_cast<unsigned>(args));
+}
+
+void CommandInterpreter::cmd_kill(const string &)
+{
+       gldbg.get_process().kill();
+}
+
+void CommandInterpreter::cmd_exit(const string &)
+{
+       gldbg.quit();
+}
+
+void CommandInterpreter::cmd_trace(const string &args)
+{
+       Tracer &tracer = gldbg.get_tracer();
+       if(args[0]=='>')
+       {
+               string fn = args.substr(1);
+               if(fn=="-")
+               {
+                       tracer.set_output(IO::cout);
+                       IO::print("Tracing to stdout\n");
+               }
+               else
+               {
+                       tracer.set_output(new IO::File(fn, IO::M_WRITE));
+                       IO::print("Tracing to %s\n", fn);
+               }
+       }
+       else
+       {
+               if(args=="on")
+               {
+                       tracer.enable();
+                       IO::print("Tracing enabled\n");
+               }
+               else if(args=="off")
+               {
+                       tracer.disable();
+                       IO::print("Tracing disabled\n");
+               }
+               else if(args=="end")
+               {
+                       tracer.set_output(0);
+                       IO::print("Tracing terminated\n");
+               }
+       }
+}