?? package.cxx
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//{{{ 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.intCdlPackageBody::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); std::string 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_context(); 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); // 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 == interp->get_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(); CdlInterpreterBody::NodeSupport interp_node(interp, package); 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 ) }; std::vector<CdlInterpreterCommandEntry> new_commands; 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 + "'\nExpecting name and properties list."); } else 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] + "'."); } else if (0 != properties.size()) { CdlParse::report_error(interp, "", std::string("Duplicate cdl_package commands for package `") + argv[1] + "'."); } else if (!Tcl_CommandComplete(argv[2])) { CdlParse::report_error(interp, "", std::string("Invalid property list for cdl_package `") + argv[1] + "'."); } else { 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. CdlInterpreterBody::CommandSupport interp_cmds(interp, new_commands); result = interp->eval(argv[2]); if (TCL_OK == result) { // 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."); } // 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."); } } } } catch (std::bad_alloc e) { // Errors at this stage should be reported via Tcl, not via C++ interp->set_result(CdlParse::construct_diagnostic(interp, "internal error", "", "Out of memory")); result = TCL_ERROR; } catch (CdlParseException e) { interp->set_result(e.get_message()); result = TCL_ERROR; } catch(...) { interp->set_result(CdlParse::construct_diagnostic(interp, "internal error", "", "Unexpected C++ exception")); result = TCL_ERROR; } CYG_REPORT_RETVAL(result); return result;}//}}}//{{{ Package properties // ----------------------------------------------------------------------------// Syntax: hardwareintCdlPackageBody::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>intCdlPackageBody::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;}
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