diff host/libcdl/package.cxx @ 76:435cced73e2f ecos-v1_3_1-release

eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
author jlarmour
date Tue, 28 Mar 2000 14:10:45 +0000
parents
children 6736c52df507
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new file mode 100644
--- /dev/null
+++ b/host/libcdl/package.cxx
@@ -0,0 +1,705 @@
+//{{{  Banner                           
+
+//============================================================================
+//
+//     package.cxx
+//
+//     Implementation of the CdlPackage class
+//
+//============================================================================
+//####COPYRIGHTBEGIN####
+//                                                                          
+// ----------------------------------------------------------------------------
+// Copyright (C) 1999, 2000 Red Hat, Inc.
+//
+// This file is part of the eCos host tools.
+//
+// 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 2 of the License, or (at your option) 
+// 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, write to the Free Software Foundation, Inc., 
+// 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+//
+// ----------------------------------------------------------------------------
+//                                                                          
+//####COPYRIGHTEND####
+//============================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):   bartv
+// Contact(s):  bartv
+// Date:        1999/03/01
+// Version:     0.02
+//
+//####DESCRIPTIONEND####
+//============================================================================
+
+//}}}
+//{{{  #include's                       
+
+// ----------------------------------------------------------------------------
+#include "cdlconfig.h"
+
+// Get the infrastructure types, assertions, tracing and similar
+// facilities.
+#include <cyg/infra/cyg_ass.h>
+#include <cyg/infra/cyg_trac.h>
+
+// <cdl.hxx> defines everything implemented in this module.
+// It implicitly supplies <string>, <vector> and <map> because
+// the class definitions rely on these headers.
+#include <cdl.hxx>
+
+//}}}
+
+//{{{  Statics                          
+
+// ----------------------------------------------------------------------------
+CYGDBG_DEFINE_MEMLEAK_COUNTER(CdlPackageBody);
+
+//}}}
+//{{{  Constructor                      
+
+// ----------------------------------------------------------------------------
+// Constructor. The real work is actually done in the base classes
+// and the parser.
+CdlPackageBody::CdlPackageBody(std::string name_arg, CdlConfiguration toplevel, std::string dir)
+    : CdlNodeBody(name_arg),
+      CdlContainerBody(),
+      CdlUserVisibleBody(),
+      CdlValuableBody(CdlValueFlavor_BoolData),
+      CdlParentableBody(),
+      CdlBuildableBody(),
+      CdlDefinableBody(),
+      CdlLoadableBody(toplevel, dir),
+      CdlBuildLoadableBody(),
+      CdlDefineLoadableBody()
+{
+    CYG_REPORT_FUNCNAME("CdlPackageBody:: constructor");
+    CYG_REPORT_FUNCARG1XV(this);
+
+    loaded_for_template   = false;
+    loaded_for_hardware   = false;
+    cdlpackagebody_cookie = CdlPackageBody_Magic;
+    CYGDBG_MEMLEAK_CONSTRUCTOR();
+    
+    CYG_POSTCONDITION_THISC();
+    CYG_REPORT_RETURN();
+}
+
+//}}}
+//{{{  Destructor                       
+
+// ----------------------------------------------------------------------------
+// Most of the work is done in the base classes.
+
+CdlPackageBody::~CdlPackageBody()
+{
+    CYG_REPORT_FUNCNAME("CdlPackageBody:: destructor");
+    CYG_REPORT_FUNCARG1XV(this);
+    CYG_PRECONDITION_THISC();
+
+    loaded_for_template   = false;
+    loaded_for_hardware   = false;
+    cdlpackagebody_cookie = CdlPackageBody_Invalid;
+    CYGDBG_MEMLEAK_DESTRUCTOR();
+    
+    CYG_REPORT_RETURN();
+}
+
+//}}}
+//{{{  parse_package()                  
+
+// ----------------------------------------------------------------------------
+// Parsing a package definition. This routine gets invoked directly from the
+// Tcl interpreter, when the cdl_package command is encountered. The
+// command takes two arguments, a name and a body of properties, and there
+// should only be one cdl_package command per package.
+//
+// At the point that the cdl_package command is executed the CdlPackage
+// object should already exist, and in fact it should be the current
+// interpreter's loadable. Obviously the name should be checked. The
+// main purpose of the cdl_package command is to fill in some extra
+// information in the form of properties.
+//
+// A package is a buildable, valuable, uservisible, ... object so it
+// inherits properties from all three. In practice some of the
+// properties from the base classes are not actually legal, but that
+// will be caught by the validation code. Additional properties
+// relevant to a package are: parent, license_proc, install_proc, and
+// wizard. It is harmless (but unnecessary) to allow components etc.
+// to be defined inside a package definition.
+
+int
+CdlPackageBody::parse_package(CdlInterpreter interp, int argc, char** argv)
+{
+    CYG_REPORT_FUNCNAMETYPE("CdlPackageBody::parse_package", "result %d");
+    CYG_REPORT_FUNCARG1("argc %d", argc);
+    CYG_PRECONDITION_CLASSC(interp);
+    
+    const char* diag_argv0      = CdlParse::get_tcl_cmd_name(argv[0]);
+
+    CdlLoadable  loadable       = interp->get_loadable();
+    CdlPackage   package        = dynamic_cast<CdlPackage>(loadable);
+    CdlContainer parent         = package->get_parent();       
+    CdlToplevel  toplevel       = interp->get_toplevel();
+    std::string filename        = interp->get_filename();
+ 
+    CYG_ASSERT_CLASSC(loadable);        // There should always be a loadable during parsing
+    CYG_ASSERT_CLASSC(package);         // And packages are the only loadable for software CDL
+    CYG_ASSERT_CLASSC(toplevel);
+    CYG_ASSERTC(dynamic_cast<CdlToplevel>(parent) == toplevel);    // The package cannot have been reparented yet.
+    CYG_ASSERTC("" != filename);
+    CYG_UNUSED_PARAM(CdlContainer, parent);
+    CYG_UNUSED_PARAM(CdlToplevel, toplevel);
+
+    // Push the package as the current base object early on.
+    // This aids diagnostics.
+    CdlNode old_node        = interp->push_node(package);
+
+    // There should be no current node, in fact the cdl_package command
+    // can only exist at the toplevel of the original script courtesy
+    // of commands being pushed and popped.
+    CYG_ASSERTC(0 == old_node);
+
+    // Also, the package should be the current container.
+    CYG_ASSERTC(package == dynamic_cast<CdlPackage>(interp->get_container()));
+
+    // Declare these outside the scope of the try statement, to allow
+    // goto calls for the error handling.
+    const std::vector<CdlProperty>& properties = package->get_properties();
+    std::string tcl_result;
+    std::vector<CdlInterpreterCommandEntry>  new_commands;
+    std::vector<CdlInterpreterCommandEntry>* old_commands = 0;
+    static CdlInterpreterCommandEntry commands[] =
+    {
+        CdlInterpreterCommandEntry("hardware",           &parse_hardware                    ),
+        CdlInterpreterCommandEntry("license_proc",       &parse_license_proc                ),
+        CdlInterpreterCommandEntry("install_proc",       &parse_install_proc                ),
+        CdlInterpreterCommandEntry("cdl_component",      &CdlComponentBody::parse_component ),
+        CdlInterpreterCommandEntry("cdl_option",         &CdlOptionBody::parse_option       ),
+        CdlInterpreterCommandEntry("cdl_interface",      &CdlInterfaceBody::parse_interface ),
+        CdlInterpreterCommandEntry("cdl_dialog",         &CdlDialogBody::parse_dialog       ),
+        CdlInterpreterCommandEntry("cdl_wizard",         &CdlWizardBody::parse_wizard       ),
+        CdlInterpreterCommandEntry("",                   0                                  )
+    };
+    int i;
+    
+    // All parsing errors may result in an exception, under the control of
+    // application code. This exception must not pass through the Tcl interpreter.
+    int result = TCL_OK;
+    try {
+
+        // Currently there are no options. This may change in future.
+        if (3 != argc) {
+            CdlParse::report_error(interp, std::string("Incorrect number of arguments to ") + diag_argv0 +
+                                   "\n    Expecting name and properties list.");
+            goto done;
+        }
+        if (argv[1] != loadable->get_name()) {
+            CdlParse::report_error(interp, std::string("Incorrect package name in CDL script.\n") +
+                                   "    This package is " + loadable->get_name() + "\n" +
+                                   "    The CDL script " + filename + " defines a package " + argv[1]);
+            goto done;
+        }
+        
+        if (0 != properties.size()) {
+            CdlParse::report_error(interp, std::string("Duplicate cdl_package commands for package ") + argv[1]);
+            goto done;
+        }
+        
+        if (!Tcl_CommandComplete(argv[2])) {
+            CdlParse::report_error(interp, std::string("Invalid property list for cdl_package ") + argv[1]);
+            goto done;
+        }
+
+        for (i = 0; 0 != commands[i].command; i++) {
+            new_commands.push_back(commands[i]);
+        }
+        
+        CdlBuildLoadableBody::add_property_parsers(new_commands);
+        CdlBuildableBody::add_property_parsers(new_commands);
+        CdlDefineLoadableBody::add_property_parsers(new_commands);
+        CdlDefinableBody::add_property_parsers(new_commands);
+        CdlParentableBody::add_property_parsers(new_commands);
+        CdlValuableBody::add_property_parsers(new_commands);
+        CdlUserVisibleBody::add_property_parsers(new_commands);
+        CdlNodeBody::add_property_parsers(new_commands);
+
+        // Now evaluate the body. If an error occurs then typically
+        // this will be reported via CdlParse::report_error(),
+        // but any exceptions will have been intercepted and
+        // turned into a Tcl error.
+        old_commands = interp->push_commands(new_commands);
+        result = interp->eval(argv[2], tcl_result);
+        interp->pop_commands(old_commands);
+        if (TCL_OK != result) {
+            // No point in taking any further action, just go with the flow
+            goto done;
+        }
+
+        // Even if there were errors, they were not fatal. There may
+        // now be a number of properties for this package, and some
+        // validation should take place. Start with the base classes.
+        package->CdlNodeBody::check_properties(interp);
+        package->CdlUserVisibleBody::check_properties(interp);
+        package->CdlValuableBody::check_properties(interp);
+        package->CdlParentableBody::check_properties(interp);
+        package->CdlBuildableBody::check_properties(interp);
+        package->CdlBuildLoadableBody::check_properties(interp);
+        package->CdlDefinableBody::check_properties(interp);
+        package->CdlDefineLoadableBody::check_properties(interp);
+
+        // Some of the properties in the base classes are not actually
+        // appropriate. A package is valuable, but it can only be
+        // modified by loading and unloading. Many of the value-related
+        // properties do not make sense.
+        if (package->count_properties(CdlPropertyId_Flavor) > 0) {
+            CdlParse::report_error(interp, "A package should not have a `flavor' property.");
+        }
+        if (package->count_properties(CdlPropertyId_EntryProc) > 0) {
+            CdlParse::report_error(interp, "A package should not have an `entry_proc' property.");
+        }
+        if (package->count_properties(CdlPropertyId_CheckProc) > 0) {
+            CdlParse::report_error(interp, "A package should not have a `check_proc' property.");
+        }
+        // BLV: this reasoning is faulty, it should be possible to
+        // control the enabled aspect via an expression. That would
+        // need option processing for the default_value property.
+        if (package->count_properties(CdlPropertyId_DefaultValue) > 0) {
+            CdlParse::report_error(interp, "A package should not have a `default_value' property.");
+        }
+        if (package->count_properties(CdlPropertyId_LegalValues) > 0) {
+            CdlParse::report_error(interp, "A package should not have a `legal_values' property.");
+        }
+        if (package->count_properties(CdlPropertyId_Calculated) > 0) {
+            CdlParse::report_error(interp, "A package should not have a `calculated' property.");
+        }
+        if (package->count_properties(CdlPropertyId_Dialog) > 0) {
+            CdlParse::report_error(interp, "A package should not have a `dialog' property.");
+        }
+
+#if 0
+        // BLV: this reasoning is faulty, since packages can get loaded
+        // because of templates or hardware without the user
+        // necesssarily understanding all the implications.
+        // Packages should not have active_if statements, only
+        // requires statements. It makes little sense to load
+        // a package and have it inactive, instead there should
+        // be conflicts re. unsatisfied goals.
+        if (package->count_properties(CdlPropertyId_ActiveIf) > 0) {
+            CdlParse::report_error(interp, "A package should not have an `active_if' property.");
+        }
+#endif
+#if 0
+        // BLV: allow hardware packages to have a define_header property for now.
+        // This simplifies things during the transition
+        // If this is a hardware package then it cannot also have a define_header property.
+        // Hardware packages always send their output to hardware.h
+        if (package->has_property(CdlPropertyId_Hardware) && package->has_property(CdlPropertyId_DefineHeader)) {
+            CdlParse::report_error(interp, "Hardware packages cannot specify their configuration header");
+        }
+#endif  
+
+        // There should be at most one each of license_proc, install_proc, include_dir,
+        // export_to, library, makefile, and wizard.
+        if (package->count_properties(CdlPropertyId_LicenseProc) > 1) {
+            CdlParse::report_error(interp, "A package should have at most one `license_proc' property.");
+        }
+        if (package->count_properties(CdlPropertyId_InstallProc) > 1) {
+            CdlParse::report_error(interp, "A package should have at most one `install_proc' property.");
+        }
+
+      done:
+        // Dummy command just to keep the compiler happy
+        filename = "";
+        
+    } catch (std::bad_alloc e) {
+        // Errors at this stage should be reported via Tcl, not via C++
+        interp->set_result(CdlParse::get_diagnostic_prefix(interp) + "Out of memory.");
+        result = TCL_ERROR;
+    } catch (CdlParseException e) {
+        interp->set_result(e.get_message());
+        result = TCL_ERROR;
+    } catch(...) {
+        interp->set_result(CdlParse::get_diagnostic_prefix(interp) + "internal error, unexpected C++ exception.");
+        result = TCL_ERROR;
+    }
+
+    // Restore the interpreter to its prior state.
+    interp->pop_node(old_node);
+    
+    CYG_REPORT_RETVAL(result);
+    return result;
+}
+
+//}}}
+//{{{  Package properties               
+
+// ----------------------------------------------------------------------------
+// Syntax: hardware
+int
+CdlPackageBody::parse_hardware(CdlInterpreter interp, int argc, char** argv)
+{
+    CYG_REPORT_FUNCNAMETYPE("parse_hardware", "result %d");
+
+    int result = CdlParse::parse_minimal_property(interp, argc, argv, CdlPropertyId_Hardware, 0, 0);
+    
+    CYG_REPORT_RETVAL(result);
+    return result;
+}
+
+// ----------------------------------------------------------------------------
+// Syntax: install_proc <tclcode>
+int
+CdlPackageBody::parse_install_proc(CdlInterpreter interp, int argc, char** argv)
+{
+    CYG_REPORT_FUNCNAMETYPE("parse_install_proc", "result %d");
+
+    int result = CdlParse::parse_tclcode_property(interp, argc, argv, CdlPropertyId_InstallProc, 0, 0);
+    
+    CYG_REPORT_RETVAL(result);
+    return result;
+}
+
+
+// ----------------------------------------------------------------------------
+// Syntax: license_proc <tclcode>
+
+int
+CdlPackageBody::parse_license_proc(CdlInterpreter interp, int argc, char** argv)
+{
+    CYG_REPORT_FUNCNAMETYPE("parse_license_proc", "result %d");
+
+    int result = CdlParse::parse_tclcode_property(interp, argc, argv, CdlPropertyId_LicenseProc, 0, 0);
+    
+    CYG_REPORT_RETVAL(result);
+    return result;
+}
+
+// ----------------------------------------------------------------------------
+
+bool
+CdlPackageBody::is_hardware_package() const
+{
+    CYG_REPORT_FUNCNAMETYPE("CdlPackage::is_hardware_package", "result %d");
+    CYG_REPORT_FUNCARG1XV(this);
+    CYG_PRECONDITION_THISC();
+
+    bool result = false;
+    if (has_property(CdlPropertyId_Hardware)) {
+        result = true;
+    }
+
+    CYG_REPORT_RETVAL(result);
+    return result;
+}
+
+bool
+CdlPackageBody::has_install_proc() const
+{
+    CYG_REPORT_FUNCNAMETYPE("CdlPackage::has_install_proc", "result 5d");
+    CYG_REPORT_FUNCARG1XV(this);
+    CYG_PRECONDITION_THISC();
+
+    bool result = false;
+    if (has_property(CdlPropertyId_InstallProc)) {
+        result = true;
+    }
+
+    CYG_REPORT_RETVAL(result);
+    return result;
+}
+
+const cdl_tcl_code&
+CdlPackageBody::get_install_proc() const
+{
+    CYG_REPORT_FUNCNAME("CdlPackage::get_install_proc");
+    CYG_REPORT_FUNCARG1XV(this);
+    CYG_PRECONDITION_THISC();
+
+    static cdl_tcl_code null_result = "";
+    cdl_tcl_code& result = null_result;
+    CdlProperty prop = get_property(CdlPropertyId_InstallProc);
+    if (0 != prop) {
+        CdlProperty_TclCode tclprop = dynamic_cast<CdlProperty_TclCode>(prop);
+        result = tclprop->get_code();
+    }
+
+    CYG_REPORT_RETURN();
+    return result;
+}
+
+bool
+CdlPackageBody::has_license_proc() const
+{
+    CYG_REPORT_FUNCNAMETYPE("CdlPackage::has_install_proc", "result 5d");
+    CYG_REPORT_FUNCARG1XV(this);
+    CYG_PRECONDITION_THISC();
+
+    bool result = false;
+    if (has_property(CdlPropertyId_LicenseProc)) {
+        result = true;
+    }
+
+    CYG_REPORT_RETVAL(result);
+    return result;
+}
+
+const cdl_tcl_code&
+CdlPackageBody::get_license_proc() const
+{
+    CYG_REPORT_FUNCNAME("CdlPackage::get_install_proc");
+    CYG_REPORT_FUNCARG1XV(this);
+    CYG_PRECONDITION_THISC();
+
+    static cdl_tcl_code null_result = "";
+    cdl_tcl_code& result = null_result;
+    CdlProperty prop = get_property(CdlPropertyId_LicenseProc);
+    if (0 != prop) {
+        CdlProperty_TclCode tclprop = dynamic_cast<CdlProperty_TclCode>(prop);
+        result = tclprop->get_code();
+    }
+
+    CYG_REPORT_RETURN();
+    return result;
+}
+
+//}}}
+//{{{  Propagation support              
+
+// ----------------------------------------------------------------------------
+void
+CdlPackageBody::update(CdlTransaction transaction, CdlUpdate update)
+{
+    CYG_REPORT_FUNCNAME("CdlPackage::update");
+
+    this->CdlValuableBody::update(transaction, update);
+    this->CdlContainerBody::update(transaction, update);
+    
+    CYG_REPORT_RETURN();
+}
+
+//}}}
+//{{{  Persistence support              
+
+// ----------------------------------------------------------------------------
+
+void
+CdlPackageBody::initialize_savefile_support(CdlToplevel toplevel)
+{
+    CYG_REPORT_FUNCNAME("CdlPackage::initialize_savefile_support");
+
+    toplevel->add_savefile_command("cdl_package", 0, &savefile_package_command);
+    CdlValuableBody::initialize_savefile_support(toplevel, "cdl_package");
+}
+
+void
+CdlPackageBody::save(CdlInterpreter interp, Tcl_Channel chan, int indentation, bool minimal)
+    throw(CdlInputOutputException, std::bad_alloc)
+{
+    CYG_REPORT_FUNCNAME("CdlPackage::save");
+    CYG_REPORT_FUNCARG5XV(this, interp, chan, indentation, minimal);
+    CYG_PRECONDITION_THISC();
+    CYG_PRECONDITION_CLASSC(interp);
+
+    // For a minimal save there is sufficient data in the savefile header
+    // to allow the package to be loaded. It is still necessary to output
+    // a cdl_package command if there were additional savefile strings.
+    if (!minimal || this->has_additional_savefile_information()) {
+    
+        // Start with the UserVisible data, which will result in a suitable set
+        // of comments before the package definition itself.
+        this->CdlUserVisibleBody::save(interp, chan, indentation, minimal);
+
+        // Now output the line "cdl_package <name> {"
+        // The name is guaranteed to be a valid C preprocessor symbol, so it
+        // is not going to need any quoting.
+        std::string data = std::string(indentation, ' ') + "cdl_package " + get_name() + " {\n";
+        std::string indent_string = std::string(indentation + 4, ' ');
+
+        // The value associated with a package cannot be changed simply
+        // by editing the savefile. Add a comment to that effect.
+        if (!minimal) {
+            data += indent_string + "# Packages cannot be added or removed, nor can their version be changed,\n";
+            data += indent_string + "# simply by editing their value. Instead the appropriate configuration\n";
+            data += indent_string + "# should be used to perform these actions.\n\n";
+        }
+
+        // Output the command and the comment.
+        interp->write_data(chan, data);
+    
+        // Deal with the value
+        this->CdlValuableBody::save(interp, chan, indentation + 4, false, minimal);
+
+        // And with any unrecognised data
+        this->CdlNodeBody::save(interp, chan, indentation + 4, minimal);
+    
+        // Close the cdl_package body. A blank line is added here.
+        data = "};\n\n";
+        
+        interp->write_data(chan, data);
+    }
+    
+    // Packages are containers, so dump the contents as well.
+    this->CdlContainerBody::save(interp, chan, indentation, minimal);
+    
+    CYG_REPORT_RETURN();
+}
+
+int
+CdlPackageBody::savefile_package_command(CdlInterpreter interp, int argc, char** argv)
+{
+    CYG_REPORT_FUNCNAMETYPE("CdlPackage::savefile_package_command", "result %d");
+    CYG_PRECONDITION_CLASSC(interp);
+
+    int result = TCL_OK;
+    CdlToplevel toplevel = interp->get_toplevel();
+    CYG_ASSERT_CLASSC(toplevel);
+    CdlConfiguration config = dynamic_cast<CdlConfiguration>(toplevel);
+    CYG_ASSERT_CLASSC(config);
+
+    std::vector<CdlInterpreterCommandEntry> subcommands;
+    std::vector<CdlInterpreterCommandEntry>* toplevel_commands = 0;
+    CdlNode old_node = 0;
+    
+    try {
+        
+        if (3 != argc) {
+            CdlParse::report_error(interp, "Invalid cdl_package command in savefile, expecting two arguments.");
+        } else {
+
+            CdlNode current_node = config->lookup(argv[1]);
+            if (0 == current_node) {
+                CdlParse::report_error(interp, std::string("The savefile contains a cdl_package command for `") +
+                                       argv[1] + "' which has not been loaded.");
+            } else {
+                config->get_savefile_subcommands("cdl_package", subcommands);
+                toplevel_commands = interp->push_commands(subcommands);
+                old_node = interp->push_node(current_node);
+                
+                std::string tcl_result;
+                result = interp->eval(argv[2], tcl_result);
+            
+                interp->pop_commands(toplevel_commands);
+                toplevel_commands = 0;
+                interp->pop_node(old_node);
+                old_node = 0;
+            }
+        }
+    } catch(...) {
+        if (0 != old_node) {
+            interp->pop_node(old_node);
+        }
+        if (0 != toplevel_commands) {
+            interp->pop_commands(toplevel_commands);
+        }
+        throw;
+    }
+
+    CYG_REPORT_RETVAL(result);
+    return result;
+}
+
+//}}}
+//{{{  check_this()                     
+
+// ----------------------------------------------------------------------------
+
+bool
+CdlPackageBody::check_this(cyg_assert_class_zeal zeal) const
+{
+    if (CdlPackageBody_Magic != cdlpackagebody_cookie) {
+        return false;
+    }
+    CYGDBG_MEMLEAK_CHECKTHIS();
+ 
+    return CdlNodeBody::check_this(zeal)                &&
+           CdlContainerBody::check_this(zeal)           &&
+           CdlLoadableBody::check_this(zeal)            &&
+           CdlUserVisibleBody::check_this(zeal)         &&
+           CdlValuableBody::check_this(zeal)            &&
+           CdlParentableBody::check_this(zeal)          &&
+           CdlBuildableBody::check_this(zeal)           &&
+           CdlBuildLoadableBody::check_this(zeal)       &&
+           CdlDefinableBody::check_this(zeal)           &&
+           CdlDefineLoadableBody::check_this(zeal);
+}
+
+//}}}
+//{{{  Misc                             
+
+// ----------------------------------------------------------------------------
+
+std::string
+CdlPackageBody::get_class_name() const
+{
+    CYG_REPORT_FUNCNAME("CdlPackage::get_class_name");
+    CYG_PRECONDITION_THISC();
+    CYG_REPORT_RETURN();
+    return "package";
+}
+
+// BLV: there is an argument for forcing hardware packages to
+// send their configuration data to a single header file
+// <pkgconf/hardware.h>, so that any code can #include a
+// single file to get hold of the hardware details. This
+// is suppressed for now while the details are sorted out.
+
+std::string
+CdlPackageBody::get_config_header() const
+{
+    CYG_REPORT_FUNCNAME("CdlPackage::get_config_header");
+    CYG_REPORT_FUNCARG1XV(this);
+    CYG_PRECONDITION_CLASSC(this);
+
+    std::string result = "";
+#if 0    
+    if (has_property(CdlPropertyId_Hardware)) {
+        result = "hardware.h";
+    } else {
+        result = CdlDefineLoadableBody::get_config_header();
+    }
+#else
+    result = CdlDefineLoadableBody::get_config_header();
+#endif  
+
+    CYG_REPORT_RETURN();
+    return result;
+}
+
+bool
+CdlPackageBody::belongs_to_template() const
+{
+    CYG_REPORT_FUNCNAMETYPE("CdlPackage::belongs_to_template", "result %d");
+    CYG_REPORT_FUNCARG1XV(this);
+    CYG_PRECONDITION_THISC();
+
+    bool result = loaded_for_template;
+    
+    CYG_REPORT_RETVAL(result);
+    return result;
+}
+
+bool
+CdlPackageBody::belongs_to_hardware() const
+{
+    CYG_REPORT_FUNCNAMETYPE("CdlPackage::belongs_to_hardware", "result %d");
+    CYG_REPORT_FUNCARG1XV(this);
+    CYG_PRECONDITION_THISC();
+
+    bool result = loaded_for_hardware;
+    
+    CYG_REPORT_RETVAL(result);
+    return result;
+}
+
+//}}}