Mercurial > flash_v2

annotate host/libcdl/interface.cxx @ 82:6736c52df507 ecos-sw-2000-04-14

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Merge from eCos master repository on 2000-04-14-13:35:46-BST
author jlarmour
date Tue, 18 Apr 2000 21:51:55 +0000
parents 435cced73e2f
children 95f3e12a6327
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1 //{{{ Banner
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2
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3 //============================================================================
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4 //
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5 // interface.cxx
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6 //
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7 // Implementation of the CdlInterface class
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8 //
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9 //============================================================================
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10 //####COPYRIGHTBEGIN####
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11 //
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12 // ----------------------------------------------------------------------------
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13 // Copyright (C) 1999, 2000 Red Hat, Inc.
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14 //
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15 // This file is part of the eCos host tools.
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16 //
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17 // This program is free software; you can redistribute it and/or modify it
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18 // under the terms of the GNU General Public License as published by the Free
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19 // Software Foundation; either version 2 of the License, or (at your option)
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20 // any later version.
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21 //
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22 // This program is distributed in the hope that it will be useful, but WITHOUT
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23 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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24 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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25 // more details.
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26 //
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27 // You should have received a copy of the GNU General Public License along with
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28 // this program; if not, write to the Free Software Foundation, Inc.,
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29 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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30 //
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31 // ----------------------------------------------------------------------------
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32 //
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33 //####COPYRIGHTEND####
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34 //============================================================================
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35 //#####DESCRIPTIONBEGIN####
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36 //
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37 // Author(s): bartv
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38 // Contact(s): bartv
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39 // Date: 1999/03/01
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40 // Version: 0.02
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41 //
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42 //####DESCRIPTIONEND####
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43 //============================================================================
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44
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45 //}}}
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46 //{{{ #include's
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47
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48 // ----------------------------------------------------------------------------
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49 #include "cdlconfig.h"
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50
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51 // Get the infrastructure types, assertions, tracing and similar
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52 // facilities.
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53 #include <cyg/infra/cyg_ass.h>
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54 #include <cyg/infra/cyg_trac.h>
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55
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56 // <cdlcore.hxx> defines everything implemented in this module.
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57 // It implicitly supplies <string>, <vector> and <map> because
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58 // the class definitions rely on these headers.
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59 #include <cdlcore.hxx>
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60
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61 //}}}
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62
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63 //{{{ Statics
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64
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65 // ----------------------------------------------------------------------------
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66 CYGDBG_DEFINE_MEMLEAK_COUNTER(CdlInterfaceBody);
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67
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68 //}}}
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69 //{{{ Constructor
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70
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71 // ----------------------------------------------------------------------------
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72 CdlInterfaceBody::CdlInterfaceBody(std::string name_arg, bool generated_arg)
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73 : CdlNodeBody(name_arg),
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74 CdlUserVisibleBody(),
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75 CdlValuableBody(CdlValueFlavor_Data),
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76 CdlParentableBody(),
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77 CdlBuildableBody(),
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78 CdlDefinableBody()
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79 {
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80 CYG_REPORT_FUNCNAME("CdlInterfaceBody:: constructor");
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81 CYG_REPORT_FUNCARG1XV(this);
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82
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83 generated = generated_arg;
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84 cdlinterfacebody_cookie = CdlInterfaceBody_Magic;
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85 CYGDBG_MEMLEAK_CONSTRUCTOR();
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86
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87 CYG_POSTCONDITION_THISC();
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88 CYG_REPORT_RETURN();
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89 }
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90
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91 //}}}
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92 //{{{ Destructor
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93
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94 // ----------------------------------------------------------------------------
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95 CdlInterfaceBody::~CdlInterfaceBody()
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96 {
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97 CYG_REPORT_FUNCNAME("CdlInterfaceBody:: destructor");
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98 CYG_REPORT_FUNCARG1XV(this);
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99 CYG_PRECONDITION_THISC();
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100
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101 cdlinterfacebody_cookie = CdlInterfaceBody_Invalid;
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102 CYGDBG_MEMLEAK_DESTRUCTOR();
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103
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104 CYG_REPORT_RETURN();
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105 }
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106
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107 //}}}
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108 //{{{ parse_interface()
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109
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110 // ----------------------------------------------------------------------------
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111 // Parsing an interface definition. This is basically the same as parsing
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112 // an option, component, or package.
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113
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114 int
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115 CdlInterfaceBody::parse_interface(CdlInterpreter interp, int argc, char** argv)
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116 {
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117 CYG_REPORT_FUNCNAMETYPE("CdlInterface::parse_interface", "result %d");
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118 CYG_REPORT_FUNCARG1("argc %d", argc);
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119 CYG_PRECONDITION_CLASSC(interp);
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120
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121 std::string diag_argv0 = CdlParse::get_tcl_cmd_name(argv[0]);
76
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122
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123 CdlLoadable loadable = interp->get_loadable();
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124 CdlContainer parent = interp->get_container();
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125 CdlToplevel toplevel = interp->get_toplevel();
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126 CYG_ASSERT_CLASSC(loadable); // There should always be a loadable during parsing
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127 CYG_ASSERT_CLASSC(parent);
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128 CYG_ASSERT_CLASSC(toplevel);
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129
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130 // The new interface should be created and added to the loadable.
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131 // early on. If there is a parsing error it will get cleaned up
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132 // automatically as a consequence of the loadable destructor.
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133 // However it is necessary to validate the name first. Errors
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134 // should be reported via CdlParse::report_error(), which
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135 // may result in an exception.
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136 CdlInterface new_interface = 0;
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137 bool ok = true;
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138 int result = TCL_OK;
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139 try {
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140
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141 // Currently there are no command-line options. This may change in future.
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142 if (3 != argc) {
82
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143 CdlParse::report_error(interp, "", std::string("Incorrect number of arguments to `") + diag_argv0 +
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144 "'\nExpecting name and properties list.");
76
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145 ok = false;
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146 } else if (!Tcl_CommandComplete(argv[2])) {
82
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147 CdlParse::report_error(interp, "", std::string("Invalid property list for cdl_interface `") + argv[1] + "'.");
76
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148 ok = false;
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149 } else if (0 != toplevel->lookup(argv[1])) {
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150 // FIXME: interfaces can be generated implicitly because of an
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151 // unresolved implements property. This code should look for
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152 // an existing auto-generated interface object and replace it
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153 // if necessary.
82
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154 CdlParse::report_error(interp, "", std::string("Interface `") + argv[1] +
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155 "' cannot be loaded.\nThe name is already in use.");
76
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156 ok = false;
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157 } else {
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158 new_interface = new CdlInterfaceBody(argv[1], false);
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159 toplevel->add_node(loadable, parent, new_interface);
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160 }
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161
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162 if (!ok) {
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163 // Just because this component cannot be created, that is no
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164 // reason to abort the whole parsing process.
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165 CYG_REPORT_RETVAL(TCL_OK);
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166 return TCL_OK;
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167 }
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168 } catch(std::bad_alloc e) {
82
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169 interp->set_result(CdlParse::construct_diagnostic(interp, "internal error", "", "Out of memory"));
76
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170 result = TCL_ERROR;
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171 } catch(CdlParseException e) {
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172 interp->set_result(e.get_message());
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173 result = TCL_ERROR;
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174 } catch(...) {
82
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175 interp->set_result(CdlParse::construct_diagnostic(interp, "internal error", "", "Unexpected C++ exception"));
76
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176 result = TCL_ERROR;
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177 }
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178 if (TCL_OK != result) {
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179 CYG_REPORT_RETVAL(result);
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180 return result;
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181 }
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182
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183 // At this stage new_interface has been created and added to the
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184 // hierarchy. The main work now is to add the properties.
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185
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186 // Push the option as the current node early on. This aids
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187 // diagnostics.
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188 CdlNode old_node = interp->push_node(new_interface);
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189
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190 // Declare these outside the scope of the try statement, to allow
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191 // goto calls for the error handling.
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192 std::string tcl_result;
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193 std::vector<CdlInterpreterCommandEntry> new_commands;
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194 std::vector<CdlInterpreterCommandEntry>* old_commands = 0;
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195 static CdlInterpreterCommandEntry commands[] =
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196 {
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197 CdlInterpreterCommandEntry("", 0)
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198 };
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199 int i;
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200
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201 // All parsing errors may result in an exception, under the control of
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202 // application code. This exception must not pass through the Tcl interpreter.
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203 try {
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204
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205 for (i = 0; 0 != commands[i].command; i++) {
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206 new_commands.push_back(commands[i]);
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207 }
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208 CdlDefinableBody::add_property_parsers(new_commands);
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209 CdlBuildableBody::add_property_parsers(new_commands);
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210 CdlParentableBody::add_property_parsers(new_commands);
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211 CdlValuableBody::add_property_parsers(new_commands);
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212 CdlUserVisibleBody::add_property_parsers(new_commands);
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213 CdlNodeBody::add_property_parsers(new_commands);
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214
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215 // Now evaluate the body. If an error occurs then typically
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216 // this will be reported via CdlParse::report_error(),
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217 // but any exceptions will have been intercepted and
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218 // turned into a Tcl error.
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219 old_commands = interp->push_commands(new_commands);
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220 result = interp->eval(argv[2], tcl_result);
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221 interp->pop_commands(old_commands);
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222
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223 if (TCL_OK == result) {
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224 // Even if there were errors, they were not fatal. There may
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225 // now be a number of properties for this option, and some
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226 // validation should take place. Start with the base classes.
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227 new_interface->CdlNodeBody::check_properties(interp);
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228 new_interface->CdlUserVisibleBody::check_properties(interp);
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229 new_interface->CdlValuableBody::check_properties(interp);
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230 new_interface->CdlParentableBody::check_properties(interp);
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231 new_interface->CdlBuildableBody::check_properties(interp);
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232 new_interface->CdlDefinableBody::check_properties(interp);
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233
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234 // A few properties do not make sense for interfaces.
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235 // Start with the value-related ones. Interfaces always
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236 // have the flavor Data.
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237 if (new_interface->has_property(CdlPropertyId_Flavor)) {
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238 CdlParse::report_error(interp, "", "An interface should not have a `flavor' property.");
76
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239 }
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240 // Interfaces cannot be modified directly by the user, so
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241 // there is no point in entry_proc, check_proc, dialog or
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242 // wizard
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243 if (new_interface->has_property(CdlPropertyId_EntryProc)) {
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244 CdlParse::report_error(interp, "", "An interface should not have an `entry_proc' property.");
76
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245 }
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246 if (new_interface->has_property(CdlPropertyId_CheckProc)) {
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247 CdlParse::report_error(interp, "", "An interface should not have a `check_proc' property.");
76
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248 }
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249 if (new_interface->has_property(CdlPropertyId_Dialog)) {
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250 CdlParse::report_error(interp, "", "An interface should not have a `dialog' property.");
76
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251 }
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252 if (new_interface->has_property(CdlPropertyId_Wizard)) {
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253 CdlParse::report_error(interp, "", "An interface should not have a `wizard' property.");
76
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254 }
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255 // Calculated does not make sense, an interface is implicitly calculated
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256 // Nor does default_value.
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257 if (new_interface->has_property(CdlPropertyId_Calculated)) {
82
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258 CdlParse::report_error(interp, "", "An interface should not have a `calculated' property.");
76
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259 }
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260 if (new_interface->has_property(CdlPropertyId_DefaultValue)) {
82
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261 CdlParse::report_error(interp, "", "An interface should not have a `default_value' property.");
76
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262 }
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263 // active_if might make sense, as a way of controlling
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264 // whether or not a #define will be generated.
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265
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266 // legal_values, requires and implements are all sensible
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267 // properties for an interface.
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268
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269 // group may or may not make sense, allow it for now.
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270
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271 // For the uservisible base class, allow all of display,
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272 // doc and description. At worst these are harmless
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273
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274 // For the parentable base class, allow parent. Again this
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275 // is harmless.
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276
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277 // Also allow all of the definable and buildable
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278 // properties.
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279 }
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280 } catch (std::bad_alloc e) {
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281 // Errors at this stage should be reported via Tcl, not via C++.
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282 // However there is no point in continuing with the parsing operation,
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283 // just give up.
82
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284 interp->set_result(CdlParse::construct_diagnostic(interp, "internal error", "", "Out of memory"));
76
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285 result = TCL_ERROR;
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286 } catch (CdlParseException e) {
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287 interp->set_result(e.get_message());
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288 result = TCL_ERROR;
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289 } catch(...) {
82
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290 interp->set_result(CdlParse::construct_diagnostic(interp, "internal error", "", "Unexpected C++ exception"));
76
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291 result = TCL_ERROR;
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292 }
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293
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294 // Restore the interpreter to its prior state.
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295 interp->pop_node(old_node);
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296 if (0 != old_commands) {
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297 interp->pop_commands(old_commands);
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298 }
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299
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300 CYG_REPORT_RETVAL(result);
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301 return result;
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302 }
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303
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304 //}}}
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305 //{{{ Persistence support
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306
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307 // ----------------------------------------------------------------------------
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308
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309 void
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310 CdlInterfaceBody::initialize_savefile_support(CdlToplevel toplevel)
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311 {
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312 CYG_REPORT_FUNCNAME("CdlInterface::initialize_savefile_support");
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313
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314 toplevel->add_savefile_command("cdl_interface", 0, &savefile_interface_command);
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315 CdlValuableBody::initialize_savefile_support(toplevel, "cdl_interface");
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316
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317 CYG_REPORT_RETURN();
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318 }
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319
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320 void
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321 CdlInterfaceBody::save(CdlInterpreter interp, Tcl_Channel chan, int indentation, bool minimal)
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322 throw(CdlInputOutputException, std::bad_alloc)
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323 {
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324 CYG_REPORT_FUNCNAME("CdlInterface::save");
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325 CYG_REPORT_FUNCARG5XV(this, interp, chan, indentation, minimal);
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326 CYG_PRECONDITION_THISC();
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327 CYG_PRECONDITION_CLASSC(interp);
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328
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329 // Interfaces contain only calculated data, so for a minimal save
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330 // there is no point in storing any of the data.
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331 if (!minimal || this->has_additional_savefile_information()) {
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332 // Start with the UserVisible data, which will result in a suitable set
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333 // of comments before the package definition itself.
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334 this->CdlUserVisibleBody::save(interp, chan, indentation, minimal);
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335
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336 // Now output the line "cdl_interface <name> {"
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337 // The name is guaranteed to be a valid C preprocessor symbol, so it
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338 // is not going to need any quoting.
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339 std::string data = std::string(indentation, ' ') + "cdl_interface " + get_name() + " {\n";
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340
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341 // Start with details of everything that implements this interface.
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342 if (!minimal) {
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343 const std::vector<CdlReferrer>& referrers = this->get_referrers();
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344 std::vector<CdlReferrer>::const_iterator ref_i;
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345 for (ref_i = referrers.begin(); ref_i != referrers.end(); ref_i++) {
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346 CdlNode node = ref_i->get_source();
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347 CdlProperty prop = ref_i->get_source_property();
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348
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349 CdlValuable valuable = dynamic_cast<CdlValuable>(node);
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350 if ((0 != valuable) && (CdlPropertyId_Implements == prop->get_property_name())) {
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351 data += std::string(indentation, ' ') + " # Implemented by " + valuable->get_name() + ", " +
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352 (valuable->is_active() ? "active" : "inactive") + ", " +
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353 (valuable->is_enabled() ? "enabled" : "disabled") + '\n';
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354 }
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355 }
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356 }
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357 interp->write_data(chan, data);
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358
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359 // Deal with the value
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360 this->CdlValuableBody::save(interp, chan, indentation + 4, false, minimal);
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361
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362 // Close the cdl_interface body. A blank line is added here.
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363 data = "};\n\n";
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364 interp->write_data(chan, data);
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365 }
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366
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367 CYG_REPORT_RETURN();
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368 }
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369
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370 int
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371 CdlInterfaceBody::savefile_interface_command(CdlInterpreter interp, int argc, char** argv)
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372 {
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373 CYG_REPORT_FUNCNAMETYPE("CdlInterface::savefile_interface_command", "result %d");
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374 CYG_PRECONDITION_CLASSC(interp);
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375
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376 int result = TCL_OK;
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377 CdlToplevel toplevel = interp->get_toplevel();
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378 CYG_ASSERT_CLASSC(toplevel);
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diff changeset
379
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
380 std::vector<CdlInterpreterCommandEntry> subcommands;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
381 std::vector<CdlInterpreterCommandEntry>* toplevel_commands = 0;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
382 CdlNode old_node = 0;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
383
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
384 try {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
385
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
386 if (3 != argc) {
82
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
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parents: 76
diff changeset
387 CdlParse::report_error(interp, "", "Invalid cdl_interface command in savefile, expecting two arguments.");
76
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
388 } else {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
389
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
390 CdlNode current_node = toplevel->lookup(argv[1]);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
391 if (0 == current_node) {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
392 // FIXME: save value in limbo
82
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
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diff changeset
393 CdlParse::report_error(interp, "",
76
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
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diff changeset
394 std::string("The savefile contains a cdl_interface command for an unknown interface `")
82
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
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diff changeset
395 + argv[1] + "'.");
76
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
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diff changeset
396 } else {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
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diff changeset
397 toplevel->get_savefile_subcommands("cdl_interface", subcommands);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
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diff changeset
398 toplevel_commands = interp->push_commands(subcommands);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
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diff changeset
399 old_node = interp->push_node(current_node);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
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diff changeset
400
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
401 std::string tcl_result;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
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diff changeset
402 result = interp->eval(argv[2], tcl_result);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
403
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
404 interp->pop_commands(toplevel_commands);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
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diff changeset
405 toplevel_commands = 0;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
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diff changeset
406 interp->pop_node(old_node);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
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diff changeset
407 old_node = 0;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
408 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
409 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
410 } catch(...) {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
411 if (0 != old_node) {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
412 interp->pop_node(old_node);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
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diff changeset
413 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
414 if (0 != toplevel_commands) {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
415 interp->pop_commands(toplevel_commands);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
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diff changeset
416 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
417 throw;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
418 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
419
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
420 CYG_REPORT_RETVAL(result);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
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diff changeset
421 return result;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
422 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
423
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
424 //}}}
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
425 //{{{ check_this()
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
426
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
427 // ----------------------------------------------------------------------------
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
428
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
429 bool
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
430 CdlInterfaceBody::check_this(cyg_assert_class_zeal zeal) const
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
431 {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
432 if (CdlInterfaceBody_Magic != cdlinterfacebody_cookie) {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
433 return false;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
434 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
435 CYGDBG_MEMLEAK_CHECKTHIS();
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
436 return CdlNodeBody::check_this(zeal) &&
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
437 CdlUserVisibleBody::check_this(zeal) &&
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
438 CdlValuableBody::check_this(zeal) &&
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
439 CdlParentableBody::check_this(zeal) &&
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
440 CdlBuildableBody::check_this(zeal) &&
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
441 CdlDefinableBody::check_this(zeal);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
442 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
443
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
444 //}}}
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
445 //{{{ recalculate()
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
446
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
447 // ----------------------------------------------------------------------------
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
448 // There has been a change in the configuration which may affect the value
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
449 // of an interface. This can happen for a variety of reasons. For simplicity
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
450 // the entire value is just recalculated, with no attempt at optimisation.
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
451 // This may have to change in future.
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
452
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
453 void
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
454 CdlInterfaceBody::recalculate(CdlTransaction transaction)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
455 {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
456 CYG_REPORT_FUNCNAME("CdlInterface::recalculate");
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
457
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
458 const CdlValue& old_value = transaction->get_whole_value(this);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
459
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
460 cdl_int count = 0;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
461 std::vector<CdlValuable> implementers;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
462 std::vector<CdlValuable>::const_iterator valuable_i;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
463 this->get_implementers(implementers);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
464 for (valuable_i = implementers.begin(); valuable_i != implementers.end(); valuable_i++) {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
465 if (transaction->is_active(*valuable_i)) {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
466 const CdlValue& implementer_value = transaction->get_whole_value(*valuable_i);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
467 if (implementer_value.is_enabled()) {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
468 count++;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
469 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
470 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
471 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
472 if (count != old_value.get_integer_value()) {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
473 CdlValue new_value = old_value;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
474 new_value.set_integer_value(count, CdlValueSource_Default);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
475 transaction->set_whole_value(this, old_value, new_value);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
476 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
477
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
478 CYG_REPORT_RETURN();
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
479 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
480
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
481 //}}}
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
482 //{{{ misc
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
483
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
484 // ----------------------------------------------------------------------------
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
485
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
486 bool
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
487 CdlInterfaceBody::is_modifiable() const
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
488 {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
489 CYG_REPORT_FUNCNAME("CdlInterface::is_modifiable (false)");
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
490 CYG_PRECONDITION_THISC();
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
491 CYG_REPORT_RETURN();
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
492 return false;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
493 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
494
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
495 std::string
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
496 CdlInterfaceBody::get_class_name() const
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
497 {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
498 CYG_REPORT_FUNCNAME("CdlInterface::get_class_name");
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
499 CYG_PRECONDITION_THISC();
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
500 CYG_REPORT_RETURN();
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
501 return "interface";
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
502 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
503
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
504 void
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
505 CdlInterfaceBody::get_implementers(std::vector<CdlValuable>& implementers) const
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
506 {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
507 CYG_REPORT_FUNCNAME("CdlInterface::get_implementers");
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
508 CYG_PRECONDITION_THISC();
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
509
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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510 const std::vector<CdlReferrer>& referrers = this->get_referrers();
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511 std::vector<CdlReferrer>::const_iterator ref_i;
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512 for (ref_i = referrers.begin(); ref_i != referrers.end(); ref_i++) {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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513 CdlNode node = ref_i->get_source();
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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514 CdlProperty prop = ref_i->get_source_property();
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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515
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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516 CdlValuable valuable = dynamic_cast<CdlValuable>(node);
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517 if ((0 != valuable) && (CdlPropertyId_Implements == prop->get_property_name())) {
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518 implementers.push_back(valuable);
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519 }
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520 }
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521
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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522 CYG_REPORT_RETURN();
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523 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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524
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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525 // Interfaces are somewhat peculiar, in that they can be defined implicitly
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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526 // simply by occurring in an "implements" property, or explicitly inside
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527 // a CDL script. Worse, they can switch between these two states when
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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528 // loadables are added or removed.
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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529
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530 bool
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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531 CdlInterfaceBody::was_generated() const
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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532 {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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533 CYG_REPORT_FUNCNAMETYPE("CdlInterface::was_generated", "result %d");
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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534 CYG_REPORT_FUNCARG1XV(this);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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535 CYG_PRECONDITION_THISC();
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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536
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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537 bool result = this->generated;
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538 CYG_REPORT_RETVAL(result);
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539 return result;
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540 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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541
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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542 //}}}