%description:
Copying and assignment for messages: struct and class members

%file: {}.msg

struct {MyStruct}
{
    fields:
        int bb;
}

class {MyClass}
{
    fields:
        int bb;
}

class cQueue;

message {Base}
{
    fields:
        {MyStruct} ms;
        {MyClass} mc;
        cQueue q;
}

message {MyMessage} extends {Base}
{
    fields:
        {MyStruct} ms2;
        {MyClass} mc2;
        cQueue q2;
};

%global:
#include "{}_m.h"

void {print}(const char *what, {MyMessage}& x)
{
   ev << what << ":";
   ev << x.getMs().bb << ":" << x.getMc().getBb() << ":"
      << x.getQ().name() << ":" << x.getQ().length() << ":";
   ev << x.getMs2().bb << ":" << x.getMc2().getBb() << ":"
      << x.getQ2().name() << ":" << x.getQ2().length();
   ev << "." << endl;
}

%activity:

// set up tester classes
{MyMessage} x;
x.getMs().bb=11;
x.getMc().setBb(12);
x.getQ().setName("q"); x.getQ().insert(new cMessage);
x.getMs2().bb=21;
x.getMc2().setBb(22);
x.getQ2().setName("q2"); x.getQ2().insert(new cMessage);x.getQ2().insert(new cMessage);

{print}("x", x);

// copy constructor
{MyMessage} x1(x);
{print}("x1(x)",x1);

// assigment
{MyMessage} x2;
x2 = x;
{print}("x2=x",x2);

%contains: stdout
x:11:12:q:1:21:22:q2:2.
x1(x):11:12:q:1:21:22:q2:2.
x2=x:11:12:q:1:21:22:q2:2.