void append_struct(CCodeStruct structure)
{
var typename = new CCodeVariableDeclarator(structure.name.Substring(1));
var typedef = new CCodeTypeDefinition("struct " + structure.name, typename);
cfile.add_type_declaration(typedef);
cfile.add_type_definition(structure);
}
public override void generate_delegate_declaration(ValaDelegate d, CCodeFile decl_space)
{
if (add_symbol_declaration(decl_space, d, get_ccode_name(d)))
{
return;
}
string return_type_cname = get_ccode_name(d.return_type);
if (d.return_type.is_real_non_null_struct_type())
{
// structs are returned via out parameter
return_type_cname = "void";
}
if (return_type_cname == get_ccode_name(d))
{
// recursive delegate
return_type_cname = "GCallback";
}
else
{
generate_type_declaration(d.return_type, decl_space);
}
var cfundecl = new CCodeFunctionDeclarator(get_ccode_name(d));
foreach (Parameter param in d.get_parameters())
{
var cparam = generate_parameter(param, decl_space, new Dictionary <int, CCodeParameter>(), null);
cfundecl.add_parameter(cparam);
// handle array parameters
if (get_ccode_array_length(param) && param.variable_type is ArrayType)
{
var array_type = (ArrayType)param.variable_type;
var length_ctype = "int";
if (param.direction != ParameterDirection.IN)
{
length_ctype = "int*";
}
for (int dim = 1; dim <= array_type.rank; dim++)
{
cparam = new CCodeParameter(get_parameter_array_length_cname(param, dim), length_ctype);
cfundecl.add_parameter(cparam);
}
}
// handle delegate parameters
if (param.variable_type is DelegateType)
{
var deleg_type = (DelegateType)param.variable_type;
var param_d = deleg_type.delegate_symbol;
if (param_d.has_target)
{
cparam = new CCodeParameter(get_delegate_target_cname(get_variable_cname(param.name)), "void*");
cfundecl.add_parameter(cparam);
if (deleg_type.is_disposable())
{
cparam = new CCodeParameter(get_delegate_target_destroy_notify_cname(get_variable_cname(param.name)), "GDestroyNotify*");
cfundecl.add_parameter(cparam);
}
}
}
}
if (get_ccode_array_length(d) && d.return_type is ArrayType)
{
// return array length if appropriate
var array_type = (ArrayType)d.return_type;
var array_length_type = get_ccode_array_length_type(d) != null?get_ccode_array_length_type(d) : "int";
array_length_type += "*";
for (int dim = 1; dim <= array_type.rank; dim++)
{
var cparam = new CCodeParameter(get_array_length_cname("result", dim), array_length_type);
cfundecl.add_parameter(cparam);
}
}
else if (d.return_type is DelegateType)
{
// return delegate target if appropriate
var deleg_type = (DelegateType)d.return_type;
var result_d = deleg_type.delegate_symbol;
if (result_d.has_target)
{
var cparam = new CCodeParameter(get_delegate_target_cname("result"), "void**");
cfundecl.add_parameter(cparam);
if (deleg_type.is_disposable())
{
cparam = new CCodeParameter(get_delegate_target_destroy_notify_cname("result"), "GDestroyNotify*");
cfundecl.add_parameter(cparam);
}
}
}
else if (d.return_type.is_real_non_null_struct_type())
{
var cparam = new CCodeParameter("result", "%s*".printf(get_ccode_name(d.return_type)));
cfundecl.add_parameter(cparam);
}
if (d.has_target)
{
var cparam = new CCodeParameter("user_data", "void*");
cfundecl.add_parameter(cparam);
}
if (d.get_error_types().Count > 0)
{
var cparam = new CCodeParameter("error", "GError**");
cfundecl.add_parameter(cparam);
}
var ctypedef = new CCodeTypeDefinition(return_type_cname, cfundecl);
ctypedef.modifiers |= (d.version.deprecated ? CCodeModifiers.DEPRECATED : 0);
decl_space.add_type_definition(ctypedef);
}
