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annotate host/libcdl/interface.cxx @ 3172:beb3e075b6ea

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Add TWR-K70F120M bsp and target.
author vae
date Wed, 09 May 2012 22:37:00 +0000
parents 74dbf4c3f2e1
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 // ####ECOSHOSTGPLCOPYRIGHTBEGIN####
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11 // -------------------------------------------
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12 // This file is part of the eCos host tools.
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13 // Copyright (C) 1999, 2000, 2002 Free Software Foundation, Inc.
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14 //
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15 // This program is free software; you can redistribute it and/or modify
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16 // it under the terms of the GNU General Public License as published by
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17 // the Free Software Foundation; either version 2 or (at your option) any
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18 // later version.
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19 //
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20 // This program is distributed in the hope that it will be useful, but
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21 // WITHOUT ANY WARRANTY; without even the implied warranty of
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22 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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23 // General Public License for more details.
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24 //
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25 // You should have received a copy of the GNU General Public License
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26 // along with this program; if not, write to the
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27 // Free Software Foundation, Inc., 51 Franklin Street,
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28 // Fifth Floor, Boston, MA 02110-1301, USA.
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29 // -------------------------------------------
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30 // ####ECOSHOSTGPLCOPYRIGHTEND####
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31 //============================================================================
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32 //#####DESCRIPTIONBEGIN####
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33 //
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34 // Author(s): bartv
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35 // Contact(s): bartv
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36 // Date: 1999/03/01
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37 // Version: 0.02
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38 //
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39 //####DESCRIPTIONEND####
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40 //============================================================================
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41
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42 //}}}
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43 //{{{ #include's
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44
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45 // ----------------------------------------------------------------------------
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46 #include "cdlconfig.h"
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47
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48 // Get the infrastructure types, assertions, tracing and similar
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49 // facilities.
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50 #include <cyg/infra/cyg_ass.h>
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51 #include <cyg/infra/cyg_trac.h>
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52
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53 // <cdlcore.hxx> defines everything implemented in this module.
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54 // It implicitly supplies <string>, <vector> and <map> because
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55 // the class definitions rely on these headers.
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56 #include <cdlcore.hxx>
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57
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58 //}}}
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59
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60 //{{{ Statics
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61
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62 // ----------------------------------------------------------------------------
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63 CYGDBG_DEFINE_MEMLEAK_COUNTER(CdlInterfaceBody);
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64
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65 //}}}
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66 //{{{ Constructor
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67
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68 // ----------------------------------------------------------------------------
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69 CdlInterfaceBody::CdlInterfaceBody(std::string name_arg, bool generated_arg)
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70 : CdlNodeBody(name_arg),
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71 CdlUserVisibleBody(),
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72 CdlValuableBody(CdlValueFlavor_Data),
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73 CdlParentableBody(),
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74 CdlBuildableBody(),
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75 CdlDefinableBody()
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76 {
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77 CYG_REPORT_FUNCNAME("CdlInterfaceBody:: constructor");
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78 CYG_REPORT_FUNCARG1XV(this);
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79
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80 generated = generated_arg;
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81 cdlinterfacebody_cookie = CdlInterfaceBody_Magic;
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82 CYGDBG_MEMLEAK_CONSTRUCTOR();
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83
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84 CYG_POSTCONDITION_THISC();
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85 CYG_REPORT_RETURN();
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86 }
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87
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88 //}}}
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89 //{{{ Destructor
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90
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91 // ----------------------------------------------------------------------------
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92 CdlInterfaceBody::~CdlInterfaceBody()
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93 {
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94 CYG_REPORT_FUNCNAME("CdlInterfaceBody:: destructor");
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95 CYG_REPORT_FUNCARG1XV(this);
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96 CYG_PRECONDITION_THISC();
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97
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98 cdlinterfacebody_cookie = CdlInterfaceBody_Invalid;
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99 CYGDBG_MEMLEAK_DESTRUCTOR();
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100
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101 CYG_REPORT_RETURN();
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102 }
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103
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104 //}}}
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105 //{{{ parse_interface()
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106
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107 // ----------------------------------------------------------------------------
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108 // Parsing an interface definition. This is basically the same as parsing
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109 // an option, component, or package.
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110
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111 int
343
fbfd52cf7976 Try to resolve problems caused by API changes in Tcl 8.4, related to
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112 CdlInterfaceBody::parse_interface(CdlInterpreter interp, int argc, const char* argv[])
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113 {
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114 CYG_REPORT_FUNCNAMETYPE("CdlInterface::parse_interface", "result %d");
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115 CYG_REPORT_FUNCARG1("argc %d", argc);
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116 CYG_PRECONDITION_CLASSC(interp);
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117
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118 std::string diag_argv0 = CdlParse::get_tcl_cmd_name(argv[0]);
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119
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120 CdlLoadable loadable = interp->get_loadable();
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121 CdlContainer parent = interp->get_container();
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122 CdlToplevel toplevel = interp->get_toplevel();
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123 CYG_ASSERT_CLASSC(loadable); // There should always be a loadable during parsing
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124 CYG_ASSERT_CLASSC(parent);
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125 CYG_ASSERT_CLASSC(toplevel);
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126
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127 // The new interface should be created and added to the loadable.
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128 // early on. If there is a parsing error it will get cleaned up
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129 // automatically as a consequence of the loadable destructor.
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130 // However it is necessary to validate the name first. Errors
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131 // should be reported via CdlParse::report_error(), which
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132 // may result in an exception.
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133 CdlInterface new_interface = 0;
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134 bool ok = true;
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135 int result = TCL_OK;
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136 try {
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137
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138 // Currently there are no command-line options. This may change in future.
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139 if (3 != argc) {
82
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140 CdlParse::report_error(interp, "", std::string("Incorrect number of arguments to `") + diag_argv0 +
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141 "'\nExpecting name and properties list.");
76
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142 ok = false;
343
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143 } else if (!Tcl_CommandComplete(CDL_TCL_CONST_CAST(char*, argv[2]))) {
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144 CdlParse::report_error(interp, "", std::string("Invalid property list for cdl_interface `") + argv[1] + "'.");
76
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145 ok = false;
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146 } else if (0 != toplevel->lookup(argv[1])) {
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147 // FIXME: interfaces can be generated implicitly because of an
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148 // unresolved implements property. This code should look for
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149 // an existing auto-generated interface object and replace it
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150 // if necessary.
82
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151 CdlParse::report_error(interp, "", std::string("Interface `") + argv[1] +
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152 "' cannot be loaded.\nThe name is already in use.");
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153 ok = false;
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154 } else {
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155 new_interface = new CdlInterfaceBody(argv[1], false);
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156 toplevel->add_node(loadable, parent, new_interface);
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157 }
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158
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159 if (!ok) {
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160 // Just because this component cannot be created, that is no
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161 // reason to abort the whole parsing process.
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162 CYG_REPORT_RETVAL(TCL_OK);
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163 return TCL_OK;
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164 }
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165 } catch(std::bad_alloc e) {
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166 interp->set_result(CdlParse::construct_diagnostic(interp, "internal error", "", "Out of memory"));
76
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167 result = TCL_ERROR;
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168 } catch(CdlParseException e) {
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169 interp->set_result(e.get_message());
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170 result = TCL_ERROR;
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171 } catch(...) {
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172 interp->set_result(CdlParse::construct_diagnostic(interp, "internal error", "", "Unexpected C++ exception"));
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173 result = TCL_ERROR;
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174 }
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175 if (TCL_OK != result) {
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176 CYG_REPORT_RETVAL(result);
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177 return result;
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178 }
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179
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180 // At this stage new_interface has been created and added to the
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181 // hierarchy. The main work now is to add the properties.
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182
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183 // Push the option as the current node early on. This aids
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184 // diagnostics.
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185 CdlNode old_node = interp->push_node(new_interface);
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186
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187 // Declare these outside the scope of the try statement, to allow
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188 // goto calls for the error handling.
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189 std::string tcl_result;
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190 std::vector<CdlInterpreterCommandEntry> new_commands;
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191 std::vector<CdlInterpreterCommandEntry>* old_commands = 0;
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192 static CdlInterpreterCommandEntry commands[] =
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193 {
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194 CdlInterpreterCommandEntry("", 0)
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195 };
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196 int i;
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197
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198 // All parsing errors may result in an exception, under the control of
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199 // application code. This exception must not pass through the Tcl interpreter.
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200 try {
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201
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202 for (i = 0; 0 != commands[i].command; i++) {
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203 new_commands.push_back(commands[i]);
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204 }
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205 CdlDefinableBody::add_property_parsers(new_commands);
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206 CdlBuildableBody::add_property_parsers(new_commands);
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207 CdlParentableBody::add_property_parsers(new_commands);
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208 CdlValuableBody::add_property_parsers(new_commands);
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209 CdlUserVisibleBody::add_property_parsers(new_commands);
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210 CdlNodeBody::add_property_parsers(new_commands);
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211
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212 // Now evaluate the body. If an error occurs then typically
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213 // this will be reported via CdlParse::report_error(),
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214 // but any exceptions will have been intercepted and
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215 // turned into a Tcl error.
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216 old_commands = interp->push_commands(new_commands);
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217 result = interp->eval(argv[2], tcl_result);
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218 interp->pop_commands(old_commands);
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219
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220 if (TCL_OK == result) {
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221 // Even if there were errors, they were not fatal. There may
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222 // now be a number of properties for this option, and some
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223 // validation should take place. Start with the base classes.
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224 new_interface->CdlNodeBody::check_properties(interp);
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225 new_interface->CdlUserVisibleBody::check_properties(interp);
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226 new_interface->CdlValuableBody::check_properties(interp);
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227 new_interface->CdlParentableBody::check_properties(interp);
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228 new_interface->CdlBuildableBody::check_properties(interp);
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229 new_interface->CdlDefinableBody::check_properties(interp);
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230
103
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231 // The flavor "none" makes no sense for interfaces.
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232 // The flavor "bool" makes very little sense, but may be useful
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233 // in weird cases. Both booldata and data make sense.
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234 // The default flavor is "data", because interfaces are
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235 // essentially just counters.
76
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236 if (new_interface->has_property(CdlPropertyId_Flavor)) {
103
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237 if (CdlValueFlavor_None == new_interface->get_flavor()) {
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238 CdlParse::report_error(interp, "", "An interface should not have the `none' flavor.");
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239 }
76
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240 }
103
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241
76
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242 // Interfaces cannot be modified directly by the user, so
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243 // there is no point in entry_proc, check_proc, dialog or
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244 // wizard
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245 if (new_interface->has_property(CdlPropertyId_EntryProc)) {
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246 CdlParse::report_error(interp, "", "An interface should not have an `entry_proc' property.");
76
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247 }
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248 if (new_interface->has_property(CdlPropertyId_CheckProc)) {
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249 CdlParse::report_error(interp, "", "An interface should not have a `check_proc' property.");
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250 }
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251 if (new_interface->has_property(CdlPropertyId_Dialog)) {
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252 CdlParse::report_error(interp, "", "An interface should not have a `dialog' property.");
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253 }
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254 if (new_interface->has_property(CdlPropertyId_Wizard)) {
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255 CdlParse::report_error(interp, "", "An interface should not have a `wizard' property.");
76
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256 }
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257 // Calculated does not make sense, an interface is implicitly calculated
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258 // Nor does default_value.
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259 if (new_interface->has_property(CdlPropertyId_Calculated)) {
82
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260 CdlParse::report_error(interp, "", "An interface should not have a `calculated' property.");
76
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261 }
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262 if (new_interface->has_property(CdlPropertyId_DefaultValue)) {
82
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263 CdlParse::report_error(interp, "", "An interface should not have a `default_value' property.");
76
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264 }
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265 // active_if might make sense, as a way of controlling
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266 // whether or not a #define will be generated.
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267
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268 // legal_values, requires and implements are all sensible
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269 // properties for an interface.
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270
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271 // group may or may not make sense, allow it for now.
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272
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273 // For the uservisible base class, allow all of display,
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274 // doc and description. At worst these are harmless
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275
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276 // For the parentable base class, allow parent. Again this
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277 // is harmless.
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278
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279 // Also allow all of the definable and buildable
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280 // properties.
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281 }
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282 } catch (std::bad_alloc e) {
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283 // Errors at this stage should be reported via Tcl, not via C++.
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284 // However there is no point in continuing with the parsing operation,
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285 // just give up.
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286 interp->set_result(CdlParse::construct_diagnostic(interp, "internal error", "", "Out of memory"));
76
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287 result = TCL_ERROR;
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288 } catch (CdlParseException e) {
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289 interp->set_result(e.get_message());
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290 result = TCL_ERROR;
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291 } catch(...) {
82
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292 interp->set_result(CdlParse::construct_diagnostic(interp, "internal error", "", "Unexpected C++ exception"));
76
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293 result = TCL_ERROR;
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294 }
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295
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296 // Restore the interpreter to its prior state.
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297 interp->pop_node(old_node);
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298 if (0 != old_commands) {
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299 interp->pop_commands(old_commands);
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300 }
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301
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302 CYG_REPORT_RETVAL(result);
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303 return result;
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304 }
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305
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306 //}}}
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307 //{{{ Persistence support
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308
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309 // ----------------------------------------------------------------------------
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310
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311 void
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312 CdlInterfaceBody::initialize_savefile_support(CdlToplevel toplevel)
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313 {
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314 CYG_REPORT_FUNCNAME("CdlInterface::initialize_savefile_support");
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315
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316 toplevel->add_savefile_command("cdl_interface", 0, &savefile_interface_command);
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317 CdlValuableBody::initialize_savefile_support(toplevel, "cdl_interface");
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318
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319 CYG_REPORT_RETURN();
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320 }
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321
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322 void
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323 CdlInterfaceBody::save(CdlInterpreter interp, Tcl_Channel chan, int indentation, bool minimal)
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324 {
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325 CYG_REPORT_FUNCNAME("CdlInterface::save");
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326 CYG_REPORT_FUNCARG5XV(this, interp, chan, indentation, minimal);
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327 CYG_PRECONDITION_THISC();
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328 CYG_PRECONDITION_CLASSC(interp);
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329
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330 // Interfaces contain only calculated data, so for a minimal save
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331 // there is no point in storing any of the data.
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332 if (!minimal || this->has_additional_savefile_information()) {
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333 // Start with the UserVisible data, which will result in a suitable set
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334 // of comments before the package definition itself.
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335 this->CdlUserVisibleBody::save(interp, chan, indentation, minimal);
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336
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337 // Now output the line "cdl_interface <name> {"
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338 // The name is guaranteed to be a valid C preprocessor symbol, so it
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339 // is not going to need any quoting.
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340 std::string data = std::string(indentation, ' ') + "cdl_interface " + get_name() + " {\n";
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341
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342 // Start with details of everything that implements this interface.
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343 if (!minimal) {
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344 const std::vector<CdlReferrer>& referrers = this->get_referrers();
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345 std::vector<CdlReferrer>::const_iterator ref_i;
103
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346 int real_referrers = 0;
76
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347 for (ref_i = referrers.begin(); ref_i != referrers.end(); ref_i++) {
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348 CdlNode node = ref_i->get_source();
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349 CdlProperty prop = ref_i->get_source_property();
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350
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351 CdlValuable valuable = dynamic_cast<CdlValuable>(node);
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352 if ((0 != valuable) && (CdlPropertyId_Implements == prop->get_property_name())) {
103
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353 real_referrers++;
76
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354 data += std::string(indentation, ' ') + " # Implemented by " + valuable->get_name() + ", " +
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355 (valuable->is_active() ? "active" : "inactive") + ", " +
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356 (valuable->is_enabled() ? "enabled" : "disabled") + '\n';
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357 }
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358 }
103
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359 if (0 == real_referrers) {
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360 data += std::string(indentation, ' ') + " # No options implement this inferface\n";
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361 }
76
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362 }
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363 interp->write_data(chan, data);
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364
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365 // Deal with the value
2525
33cc410733a0 Eliminate various compiler warnings, fix typos, etc.
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366 this->CdlValuableBody::save_valuable(interp, chan, indentation + 4, false, minimal);
76
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367
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368 // Close the cdl_interface body. A blank line is added here.
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369 data = "};\n\n";
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370 interp->write_data(chan, data);
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371 }
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372
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373 CYG_REPORT_RETURN();
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374 }
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375
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376 int
343
fbfd52cf7976 Try to resolve problems caused by API changes in Tcl 8.4, related to
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377 CdlInterfaceBody::savefile_interface_command(CdlInterpreter interp, int argc, const char* argv[])
76
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378 {
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379 CYG_REPORT_FUNCNAMETYPE("CdlInterface::savefile_interface_command", "result %d");
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380 CYG_PRECONDITION_CLASSC(interp);
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diff changeset
381
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
382 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
383 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
384 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
385
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
386 std::vector<CdlInterpreterCommandEntry> subcommands;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
387 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
388 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
389
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
390 try {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
391
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
392 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
393 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
394 } else {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
395
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
396 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
397 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
398 // 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
399 CdlParse::report_error(interp, "",
76
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
400 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
401 + argv[1] + "'.");
76
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
402 } else {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
403 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
parents:
diff changeset
404 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
parents:
diff changeset
405 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
parents:
diff changeset
406
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
407 std::string tcl_result;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
408 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
409
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
410 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
411 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
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
parents:
diff changeset
413 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
414 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
415 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
416 } catch(...) {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
417 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
418 interp->pop_node(old_node);
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 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
421 interp->pop_commands(toplevel_commands);
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 throw;
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
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
426 CYG_REPORT_RETVAL(result);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
427 return result;
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
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
430 //}}}
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
431 //{{{ check_this()
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
432
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
433 // ----------------------------------------------------------------------------
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 bool
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
436 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
437 {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
438 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
439 return false;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
440 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
441 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
442 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
443 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
444 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
445 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
446 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
447 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
448 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
449
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
450 //}}}
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
451 //{{{ recalculate()
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 // 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
455 // 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
456 // 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
457 // 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
458
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
459 void
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
460 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
461 {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
462 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
463
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
464 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
465
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
466 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
467 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
468 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
469 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
470 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
471 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
472 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
473 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
474 count++;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents:
diff changeset
475 }
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 }
103
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jlarmour
parents: 82
diff changeset
478
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 82
diff changeset
479 // What to do with the count depends on the flavor.
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jlarmour
parents: 82
diff changeset
480 switch(this->get_flavor()) {
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jlarmour
parents: 82
diff changeset
481 case CdlValueFlavor_Bool :
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jlarmour
parents: 82
diff changeset
482 {
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
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diff changeset
483 bool new_bool = (count > 0);
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
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diff changeset
484 if (new_bool != old_value.is_enabled()) {
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parents: 82
diff changeset
485 CdlValue new_value = old_value;
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diff changeset
486 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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parents: 82
diff changeset
487 transaction->set_whole_value(this, old_value, new_value);
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 82
diff changeset
488 }
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 82
diff changeset
489 break;
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jlarmour
parents: 82
diff changeset
490 }
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 82
diff changeset
491 case CdlValueFlavor_BoolData:
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jlarmour
parents: 82
diff changeset
492 {
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diff changeset
493 // The only thing that actually needs checking is the count value.
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diff changeset
494 // Iff that has changed then the boolean part may need changing as well.
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
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parents: 82
diff changeset
495 if (count != old_value.get_integer_value()) {
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parents: 82
diff changeset
496 CdlValue new_value = old_value;
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diff changeset
497 new_value.set_enabled_and_value(count > 0, count, CdlValueSource_Default);
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
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diff changeset
498 transaction->set_whole_value(this, old_value, new_value);
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jlarmour
parents: 82
diff changeset
499 }
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jlarmour
parents: 82
diff changeset
500
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 82
diff changeset
501 break;
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jlarmour
parents: 82
diff changeset
502 }
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jlarmour
parents: 82
diff changeset
503 case CdlValueFlavor_Data:
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jlarmour
parents: 82
diff changeset
504 {
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diff changeset
505 if (count != old_value.get_integer_value()) {
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parents: 82
diff changeset
506 CdlValue new_value = old_value;
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diff changeset
507 new_value.set_integer_value(count, CdlValueSource_Default);
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parents: 82
diff changeset
508 transaction->set_whole_value(this, old_value, new_value);
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jlarmour
parents: 82
diff changeset
509 }
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jlarmour
parents: 82
diff changeset
510 break;
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jlarmour
parents: 82
diff changeset
511 }
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 82
diff changeset
512
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 82
diff changeset
513 default:
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514 break;
76
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515 }
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516
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517 CYG_REPORT_RETURN();
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518 }
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519
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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 //{{{ misc
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522
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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
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525 bool
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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526 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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527 {
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528 CYG_REPORT_FUNCNAME("CdlInterface::is_modifiable (false)");
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529 CYG_PRECONDITION_THISC();
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530 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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531 return false;
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
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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534 std::string
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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535 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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536 {
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537 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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538 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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539 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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540 return "interface";
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
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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543 void
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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544 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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545 {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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546 CYG_REPORT_FUNCNAME("CdlInterface::get_implementers");
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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547 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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548
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549 const std::vector<CdlReferrer>& referrers = this->get_referrers();
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550 std::vector<CdlReferrer>::const_iterator ref_i;
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551 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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552 CdlNode node = ref_i->get_source();
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553 CdlProperty prop = ref_i->get_source_property();
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554
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555 CdlValuable valuable = dynamic_cast<CdlValuable>(node);
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556 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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557 implementers.push_back(valuable);
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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 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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560
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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561 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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562 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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563
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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564 // 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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565 // simply by occurring in an "implements" property, or explicitly inside
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566 // a CDL script. Worse, they can switch between these two states when
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567 // loadables are added or removed.
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568
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569 bool
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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570 CdlInterfaceBody::was_generated() const
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571 {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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572 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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573 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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574 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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575
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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576 bool result = this->generated;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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577 CYG_REPORT_RETVAL(result);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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578 return result;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
579 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
580
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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581 //}}}