initial import of python-console

3rdparty/python-console/test_cli.cpp

@@ -0,0 +1,63 @@
+#include <iostream>
+#include <string>
+#include "ParseHelper.h"
+#include "ParseListener.h"
+#include "Interpreter.h"
+
+const std::string STD_PROMPT = ">>> ";
+const std::string MULTILINE_PROMPT = "... ";
+
+struct InterpreterRelay : public ParseListener
+{
+    Interpreter* m_interpreter;
+
+    InterpreterRelay( ):
+        m_interpreter( new Interpreter )
+    { }
+
+    virtual void parseEvent( const ParseMessage& msg )
+    {
+        if ( msg.errorCode )
+        {
+            std::cout << "(" << msg.errorCode << ") " << msg.message << "\n";
+            return;
+        }
+        else
+        {
+            int err;
+            std::string res = m_interpreter->interpret( msg.message, &err );
+            std::cout << "(" << msg.errorCode << ") " << res << "\n";
+        }
+    }
+};
+
+int main( int argc, char *argv[] )
+{
+    Interpreter::Initialize( );
+    const std::string* prompt = &STD_PROMPT;
+    ParseHelper helper;
+    ParseListener* listener = new InterpreterRelay;
+    helper.subscribe( listener );
+
+    std::string str;
+    std::cout << *prompt;
+    std::getline( std::cin, str );
+    while ( str != "quit" )
+    {
+        std::cout << str << "\n";
+        helper.process( str );
+        if ( helper.buffered( ) )
+        {
+            prompt = &MULTILINE_PROMPT;
+        }
+        else
+        {
+            prompt = &STD_PROMPT;
+        }
+        std::cout << *prompt;
+        std::getline( std::cin, str );
+    }
+
+    Interpreter::Finalize( );
+    return 0;
+}