Mercurial > flash_v2

annotate host/libcdl/interface.cxx @ 1723:0cc13d07a67e

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* src/flash.c: Support flash blocks of arbitary size. The DataFlash devices for example have block of 528 bytes.
author asl
date Thu, 09 Sep 2004 13:11:46 +0000
parents fbfd52cf7976
children
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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) 2002 Bart Veer
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14 // Copyright (C) 1999, 2000 Red Hat, Inc.
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15 //
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16 // This file is part of the eCos host tools.
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17 //
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18 // This program is free software; you can redistribute it and/or modify it
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19 // under the terms of the GNU General Public License as published by the Free
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20 // Software Foundation; either version 2 of the License, or (at your option)
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21 // any later version.
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22 //
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23 // This program is distributed in the hope that it will be useful, but WITHOUT
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24 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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25 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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26 // more details.
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27 //
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28 // You should have received a copy of the GNU General Public License along with
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29 // this program; if not, write to the Free Software Foundation, Inc.,
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30 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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31 //
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32 // ----------------------------------------------------------------------------
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33 //
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34 //####COPYRIGHTEND####
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35 //============================================================================
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36 //#####DESCRIPTIONBEGIN####
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37 //
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38 // Author(s): bartv
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39 // Contact(s): bartv
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40 // Date: 1999/03/01
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41 // Version: 0.02
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42 //
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43 //####DESCRIPTIONEND####
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44 //============================================================================
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45
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46 //}}}
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47 //{{{ #include's
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48
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49 // ----------------------------------------------------------------------------
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50 #include "cdlconfig.h"
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51
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52 // Get the infrastructure types, assertions, tracing and similar
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53 // facilities.
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54 #include <cyg/infra/cyg_ass.h>
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55 #include <cyg/infra/cyg_trac.h>
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56
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57 // <cdlcore.hxx> defines everything implemented in this module.
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58 // It implicitly supplies <string>, <vector> and <map> because
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59 // the class definitions rely on these headers.
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60 #include <cdlcore.hxx>
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61
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62 //}}}
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63
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64 //{{{ Statics
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65
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66 // ----------------------------------------------------------------------------
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67 CYGDBG_DEFINE_MEMLEAK_COUNTER(CdlInterfaceBody);
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68
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69 //}}}
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70 //{{{ Constructor
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71
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72 // ----------------------------------------------------------------------------
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73 CdlInterfaceBody::CdlInterfaceBody(std::string name_arg, bool generated_arg)
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74 : CdlNodeBody(name_arg),
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75 CdlUserVisibleBody(),
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76 CdlValuableBody(CdlValueFlavor_Data),
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77 CdlParentableBody(),
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78 CdlBuildableBody(),
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79 CdlDefinableBody()
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80 {
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81 CYG_REPORT_FUNCNAME("CdlInterfaceBody:: constructor");
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82 CYG_REPORT_FUNCARG1XV(this);
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83
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84 generated = generated_arg;
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85 cdlinterfacebody_cookie = CdlInterfaceBody_Magic;
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86 CYGDBG_MEMLEAK_CONSTRUCTOR();
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87
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88 CYG_POSTCONDITION_THISC();
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89 CYG_REPORT_RETURN();
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90 }
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91
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92 //}}}
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93 //{{{ Destructor
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94
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95 // ----------------------------------------------------------------------------
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96 CdlInterfaceBody::~CdlInterfaceBody()
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97 {
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98 CYG_REPORT_FUNCNAME("CdlInterfaceBody:: destructor");
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99 CYG_REPORT_FUNCARG1XV(this);
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100 CYG_PRECONDITION_THISC();
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101
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102 cdlinterfacebody_cookie = CdlInterfaceBody_Invalid;
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103 CYGDBG_MEMLEAK_DESTRUCTOR();
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104
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105 CYG_REPORT_RETURN();
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106 }
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107
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108 //}}}
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109 //{{{ parse_interface()
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110
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111 // ----------------------------------------------------------------------------
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112 // Parsing an interface definition. This is basically the same as parsing
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113 // an option, component, or package.
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114
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115 int
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116 CdlInterfaceBody::parse_interface(CdlInterpreter interp, int argc, const char* argv[])
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117 {
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118 CYG_REPORT_FUNCNAMETYPE("CdlInterface::parse_interface", "result %d");
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119 CYG_REPORT_FUNCARG1("argc %d", argc);
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120 CYG_PRECONDITION_CLASSC(interp);
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121
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122 std::string diag_argv0 = CdlParse::get_tcl_cmd_name(argv[0]);
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123
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124 CdlLoadable loadable = interp->get_loadable();
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125 CdlContainer parent = interp->get_container();
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126 CdlToplevel toplevel = interp->get_toplevel();
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127 CYG_ASSERT_CLASSC(loadable); // There should always be a loadable during parsing
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128 CYG_ASSERT_CLASSC(parent);
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129 CYG_ASSERT_CLASSC(toplevel);
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130
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131 // The new interface should be created and added to the loadable.
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132 // early on. If there is a parsing error it will get cleaned up
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133 // automatically as a consequence of the loadable destructor.
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134 // However it is necessary to validate the name first. Errors
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135 // should be reported via CdlParse::report_error(), which
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136 // may result in an exception.
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137 CdlInterface new_interface = 0;
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138 bool ok = true;
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139 int result = TCL_OK;
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140 try {
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141
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142 // Currently there are no command-line options. This may change in future.
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143 if (3 != argc) {
82
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144 CdlParse::report_error(interp, "", std::string("Incorrect number of arguments to `") + diag_argv0 +
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145 "'\nExpecting name and properties list.");
76
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146 ok = false;
343
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147 } else if (!Tcl_CommandComplete(CDL_TCL_CONST_CAST(char*, argv[2]))) {
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148 CdlParse::report_error(interp, "", std::string("Invalid property list for cdl_interface `") + argv[1] + "'.");
76
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149 ok = false;
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150 } else if (0 != toplevel->lookup(argv[1])) {
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151 // FIXME: interfaces can be generated implicitly because of an
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152 // unresolved implements property. This code should look for
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153 // an existing auto-generated interface object and replace it
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154 // if necessary.
82
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155 CdlParse::report_error(interp, "", std::string("Interface `") + argv[1] +
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156 "' cannot be loaded.\nThe name is already in use.");
76
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157 ok = false;
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158 } else {
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159 new_interface = new CdlInterfaceBody(argv[1], false);
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160 toplevel->add_node(loadable, parent, new_interface);
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161 }
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162
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163 if (!ok) {
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164 // Just because this component cannot be created, that is no
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165 // reason to abort the whole parsing process.
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166 CYG_REPORT_RETVAL(TCL_OK);
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167 return TCL_OK;
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168 }
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169 } catch(std::bad_alloc e) {
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170 interp->set_result(CdlParse::construct_diagnostic(interp, "internal error", "", "Out of memory"));
76
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171 result = TCL_ERROR;
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172 } catch(CdlParseException e) {
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173 interp->set_result(e.get_message());
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174 result = TCL_ERROR;
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175 } catch(...) {
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176 interp->set_result(CdlParse::construct_diagnostic(interp, "internal error", "", "Unexpected C++ exception"));
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177 result = TCL_ERROR;
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178 }
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179 if (TCL_OK != result) {
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180 CYG_REPORT_RETVAL(result);
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181 return result;
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182 }
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183
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184 // At this stage new_interface has been created and added to the
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185 // hierarchy. The main work now is to add the properties.
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186
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187 // Push the option as the current node early on. This aids
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188 // diagnostics.
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189 CdlNode old_node = interp->push_node(new_interface);
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190
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191 // Declare these outside the scope of the try statement, to allow
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192 // goto calls for the error handling.
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193 std::string tcl_result;
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194 std::vector<CdlInterpreterCommandEntry> new_commands;
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195 std::vector<CdlInterpreterCommandEntry>* old_commands = 0;
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196 static CdlInterpreterCommandEntry commands[] =
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197 {
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198 CdlInterpreterCommandEntry("", 0)
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199 };
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200 int i;
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201
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202 // All parsing errors may result in an exception, under the control of
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203 // application code. This exception must not pass through the Tcl interpreter.
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204 try {
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205
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206 for (i = 0; 0 != commands[i].command; i++) {
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207 new_commands.push_back(commands[i]);
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208 }
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209 CdlDefinableBody::add_property_parsers(new_commands);
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210 CdlBuildableBody::add_property_parsers(new_commands);
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211 CdlParentableBody::add_property_parsers(new_commands);
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212 CdlValuableBody::add_property_parsers(new_commands);
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213 CdlUserVisibleBody::add_property_parsers(new_commands);
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214 CdlNodeBody::add_property_parsers(new_commands);
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215
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216 // Now evaluate the body. If an error occurs then typically
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217 // this will be reported via CdlParse::report_error(),
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218 // but any exceptions will have been intercepted and
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219 // turned into a Tcl error.
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220 old_commands = interp->push_commands(new_commands);
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221 result = interp->eval(argv[2], tcl_result);
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222 interp->pop_commands(old_commands);
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223
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224 if (TCL_OK == result) {
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225 // Even if there were errors, they were not fatal. There may
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226 // now be a number of properties for this option, and some
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227 // validation should take place. Start with the base classes.
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228 new_interface->CdlNodeBody::check_properties(interp);
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229 new_interface->CdlUserVisibleBody::check_properties(interp);
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230 new_interface->CdlValuableBody::check_properties(interp);
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231 new_interface->CdlParentableBody::check_properties(interp);
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232 new_interface->CdlBuildableBody::check_properties(interp);
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233 new_interface->CdlDefinableBody::check_properties(interp);
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234
103
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235 // The flavor "none" makes no sense for interfaces.
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236 // The flavor "bool" makes very little sense, but may be useful
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237 // in weird cases. Both booldata and data make sense.
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238 // The default flavor is "data", because interfaces are
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239 // essentially just counters.
76
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240 if (new_interface->has_property(CdlPropertyId_Flavor)) {
103
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241 if (CdlValueFlavor_None == new_interface->get_flavor()) {
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242 CdlParse::report_error(interp, "", "An interface should not have the `none' flavor.");
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243 }
76
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244 }
103
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245
76
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246 // Interfaces cannot be modified directly by the user, so
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247 // there is no point in entry_proc, check_proc, dialog or
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248 // wizard
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249 if (new_interface->has_property(CdlPropertyId_EntryProc)) {
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250 CdlParse::report_error(interp, "", "An interface should not have an `entry_proc' property.");
76
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251 }
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252 if (new_interface->has_property(CdlPropertyId_CheckProc)) {
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253 CdlParse::report_error(interp, "", "An interface should not have a `check_proc' property.");
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254 }
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255 if (new_interface->has_property(CdlPropertyId_Dialog)) {
82
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256 CdlParse::report_error(interp, "", "An interface should not have a `dialog' property.");
76
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257 }
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258 if (new_interface->has_property(CdlPropertyId_Wizard)) {
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259 CdlParse::report_error(interp, "", "An interface should not have a `wizard' property.");
76
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260 }
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261 // Calculated does not make sense, an interface is implicitly calculated
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262 // Nor does default_value.
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263 if (new_interface->has_property(CdlPropertyId_Calculated)) {
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264 CdlParse::report_error(interp, "", "An interface should not have a `calculated' property.");
76
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265 }
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266 if (new_interface->has_property(CdlPropertyId_DefaultValue)) {
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267 CdlParse::report_error(interp, "", "An interface should not have a `default_value' property.");
76
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268 }
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269 // active_if might make sense, as a way of controlling
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270 // whether or not a #define will be generated.
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271
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272 // legal_values, requires and implements are all sensible
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273 // properties for an interface.
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274
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275 // group may or may not make sense, allow it for now.
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276
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277 // For the uservisible base class, allow all of display,
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278 // doc and description. At worst these are harmless
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279
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280 // For the parentable base class, allow parent. Again this
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281 // is harmless.
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282
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283 // Also allow all of the definable and buildable
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284 // properties.
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285 }
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286 } catch (std::bad_alloc e) {
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287 // Errors at this stage should be reported via Tcl, not via C++.
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288 // However there is no point in continuing with the parsing operation,
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289 // just give up.
82
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290 interp->set_result(CdlParse::construct_diagnostic(interp, "internal error", "", "Out of memory"));
76
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291 result = TCL_ERROR;
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292 } catch (CdlParseException e) {
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293 interp->set_result(e.get_message());
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294 result = TCL_ERROR;
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295 } catch(...) {
82
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296 interp->set_result(CdlParse::construct_diagnostic(interp, "internal error", "", "Unexpected C++ exception"));
76
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297 result = TCL_ERROR;
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298 }
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299
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300 // Restore the interpreter to its prior state.
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301 interp->pop_node(old_node);
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302 if (0 != old_commands) {
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303 interp->pop_commands(old_commands);
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304 }
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305
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306 CYG_REPORT_RETVAL(result);
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307 return result;
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308 }
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309
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310 //}}}
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311 //{{{ Persistence support
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312
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313 // ----------------------------------------------------------------------------
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314
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315 void
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316 CdlInterfaceBody::initialize_savefile_support(CdlToplevel toplevel)
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317 {
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318 CYG_REPORT_FUNCNAME("CdlInterface::initialize_savefile_support");
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319
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320 toplevel->add_savefile_command("cdl_interface", 0, &savefile_interface_command);
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321 CdlValuableBody::initialize_savefile_support(toplevel, "cdl_interface");
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322
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323 CYG_REPORT_RETURN();
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324 }
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325
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326 void
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327 CdlInterfaceBody::save(CdlInterpreter interp, Tcl_Channel chan, int indentation, bool minimal)
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328 {
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329 CYG_REPORT_FUNCNAME("CdlInterface::save");
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330 CYG_REPORT_FUNCARG5XV(this, interp, chan, indentation, minimal);
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331 CYG_PRECONDITION_THISC();
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332 CYG_PRECONDITION_CLASSC(interp);
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333
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334 // Interfaces contain only calculated data, so for a minimal save
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335 // there is no point in storing any of the data.
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336 if (!minimal || this->has_additional_savefile_information()) {
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337 // Start with the UserVisible data, which will result in a suitable set
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338 // of comments before the package definition itself.
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339 this->CdlUserVisibleBody::save(interp, chan, indentation, minimal);
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340
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341 // Now output the line "cdl_interface <name> {"
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342 // The name is guaranteed to be a valid C preprocessor symbol, so it
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343 // is not going to need any quoting.
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344 std::string data = std::string(indentation, ' ') + "cdl_interface " + get_name() + " {\n";
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345
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346 // Start with details of everything that implements this interface.
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347 if (!minimal) {
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348 const std::vector<CdlReferrer>& referrers = this->get_referrers();
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349 std::vector<CdlReferrer>::const_iterator ref_i;
103
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350 int real_referrers = 0;
76
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351 for (ref_i = referrers.begin(); ref_i != referrers.end(); ref_i++) {
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352 CdlNode node = ref_i->get_source();
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353 CdlProperty prop = ref_i->get_source_property();
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354
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355 CdlValuable valuable = dynamic_cast<CdlValuable>(node);
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356 if ((0 != valuable) && (CdlPropertyId_Implements == prop->get_property_name())) {
103
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357 real_referrers++;
76
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358 data += std::string(indentation, ' ') + " # Implemented by " + valuable->get_name() + ", " +
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359 (valuable->is_active() ? "active" : "inactive") + ", " +
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360 (valuable->is_enabled() ? "enabled" : "disabled") + '\n';
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361 }
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362 }
103
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363 if (0 == real_referrers) {
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364 data += std::string(indentation, ' ') + " # No options implement this inferface\n";
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365 }
76
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366 }
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367 interp->write_data(chan, data);
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368
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369 // Deal with the value
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370 this->CdlValuableBody::save(interp, chan, indentation + 4, false, minimal);
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371
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372 // Close the cdl_interface body. A blank line is added here.
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373 data = "};\n\n";
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374 interp->write_data(chan, data);
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375 }
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376
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377 CYG_REPORT_RETURN();
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378 }
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379
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380 int
343
fbfd52cf7976 Try to resolve problems caused by API changes in Tcl 8.4, related to
bartv
parents: 115
diff changeset
381 CdlInterfaceBody::savefile_interface_command(CdlInterpreter interp, int argc, const char* argv[])
76
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
382 {
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
383 CYG_REPORT_FUNCNAMETYPE("CdlInterface::savefile_interface_command", "result %d");
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
384 CYG_PRECONDITION_CLASSC(interp);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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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 int result = TCL_OK;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
387 CdlToplevel toplevel = interp->get_toplevel();
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
388 CYG_ASSERT_CLASSC(toplevel);
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
jlarmour
parents:
diff changeset
390 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
391 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
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diff changeset
392 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
393
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
394 try {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
395
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
396 if (3 != argc) {
82
6736c52df507 Merge from eCos master repository on 2000-04-14-13:35:46-BST
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diff changeset
397 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
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diff changeset
398 } else {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
399
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
400 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
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diff changeset
401 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
402 // 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
403 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
404 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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405 + 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
406 } 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
407 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
408 toplevel_commands = interp->push_commands(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
409 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
410
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
411 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
412 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
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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
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diff changeset
414 interp->pop_commands(toplevel_commands);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
415 toplevel_commands = 0;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
416 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
417 old_node = 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
418 }
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
419 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
420 } catch(...) {
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 if (0 != 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
422 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
423 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
424 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
425 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
426 }
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
427 throw;
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
428 }
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
429
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
430 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
431 return 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
432 }
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
433
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
434 //}}}
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
435 //{{{ check_this()
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
436
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
437 // ----------------------------------------------------------------------------
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
438
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
439 bool
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
440 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
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diff changeset
441 {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
442 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
443 return false;
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
444 }
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
445 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
446 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
447 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
448 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
449 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
450 CdlBuildableBody::check_this(zeal) &&
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
451 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
452 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
453
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
454 //}}}
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
455 //{{{ recalculate()
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
456
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 // 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
459 // 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
460 // 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
461 // 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
462
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
463 void
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
464 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
465 {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
466 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
467
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
468 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
469
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
470 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
471 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
472 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
473 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
474 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
475 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
476 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
477 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
478 count++;
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 }
103
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parents: 82
diff changeset
482
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diff changeset
483 // What to do with the count depends on the flavor.
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diff changeset
484 switch(this->get_flavor()) {
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jlarmour
parents: 82
diff changeset
485 case CdlValueFlavor_Bool :
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diff changeset
486 {
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diff changeset
487 bool new_bool = (count > 0);
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diff changeset
488 if (new_bool != old_value.is_enabled()) {
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diff changeset
489 CdlValue new_value = old_value;
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diff changeset
490 new_value.set_enabled(new_bool, CdlValueSource_Default);
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
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diff changeset
491 transaction->set_whole_value(this, old_value, new_value);
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jlarmour
parents: 82
diff changeset
492 }
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jlarmour
parents: 82
diff changeset
493 break;
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jlarmour
parents: 82
diff changeset
494 }
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jlarmour
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diff changeset
495 case CdlValueFlavor_BoolData:
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diff changeset
496 {
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diff changeset
497 // The only thing that actually needs checking is the count value.
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diff changeset
498 // Iff that has changed then the boolean part may need changing as well.
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diff changeset
499 if (count != old_value.get_integer_value()) {
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diff changeset
500 CdlValue new_value = old_value;
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diff changeset
501 new_value.set_enabled_and_value(count > 0, count, CdlValueSource_Default);
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diff changeset
502 transaction->set_whole_value(this, old_value, new_value);
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diff changeset
503 }
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jlarmour
parents: 82
diff changeset
504
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jlarmour
parents: 82
diff changeset
505 break;
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jlarmour
parents: 82
diff changeset
506 }
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jlarmour
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diff changeset
507 case CdlValueFlavor_Data:
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diff changeset
508 {
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diff changeset
509 if (count != old_value.get_integer_value()) {
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diff changeset
510 CdlValue new_value = old_value;
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diff changeset
511 new_value.set_integer_value(count, CdlValueSource_Default);
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512 transaction->set_whole_value(this, old_value, new_value);
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513 }
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514 break;
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515 }
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diff changeset
516
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517 default:
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518 break;
76
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519 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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520
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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521 CYG_REPORT_RETURN();
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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522 }
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523
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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 //{{{ misc
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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526
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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527 // ----------------------------------------------------------------------------
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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528
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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529 bool
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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530 CdlInterfaceBody::is_modifiable() const
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
531 {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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532 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
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533 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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534 CYG_REPORT_RETURN();
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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535 return false;
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
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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538 std::string
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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539 CdlInterfaceBody::get_class_name() const
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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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 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
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diff changeset
542 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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diff changeset
543 CYG_REPORT_RETURN();
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
544 return "interface";
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
545 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
546
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
547 void
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
548 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
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diff changeset
549 {
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diff changeset
550 CYG_REPORT_FUNCNAME("CdlInterface::get_implementers");
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551 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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552
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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553 const std::vector<CdlReferrer>& referrers = this->get_referrers();
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
554 std::vector<CdlReferrer>::const_iterator ref_i;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
555 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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diff changeset
556 CdlNode node = ref_i->get_source();
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557 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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558
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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559 CdlValuable valuable = dynamic_cast<CdlValuable>(node);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
560 if ((0 != valuable) && (CdlPropertyId_Implements == prop->get_property_name())) {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
561 implementers.push_back(valuable);
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diff changeset
562 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
563 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
564
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
565 CYG_REPORT_RETURN();
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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parents:
diff changeset
566 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
567
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
568 // 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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parents:
diff changeset
569 // simply by occurring in an "implements" property, or explicitly inside
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
570 // 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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diff changeset
571 // 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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diff changeset
572
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
573 bool
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
574 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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575 {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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576 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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diff changeset
577 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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diff changeset
578 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
579
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
580 bool result = this->generated;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
581 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
582 return result;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
583 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
584
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
585 //}}}