projects / deliverable / titan.core.git / blame
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| 970ed795 | 1 | <!-- |
| 3abe9331 | 2 | Copyright (c) 2000-2015 Ericsson Telecom AB |
| 970ed795 EL |
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| 4 | All rights reserved. This program and the accompanying materials | |
| 5 | are made available under the terms of the Eclipse Public License v1.0 | |
| 6 | which accompanies this distribution, and is available at | |
| 7 | http://www.eclipse.org/legal/epl-v10.html | |
| 8 | --> | |
| 9 | <html> | |
| 10 | <head> | |
| 11 | <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> | |
| 12 | <meta http-equiv="Content-Language" content="en-us"> | |
| 13 | <title>import</title> | |
| 14 | </head> | |
| 15 | <body bgcolor="#DAD3C5" vlink="#0094D2" link="#003258"> | |
| 16 | <table align="left" border="0" cellspacing="0" cellpadding="0" valign=top> | |
| 17 | <tr> | |
| 18 | <td width=105 height=40><a href="https://projects.eclipse.org/projects/tools.titan"><img src="../images/titan_transparent.gif" border=0 width=105 height=40 align="left" alt="Titan"></a></td> | |
| 19 | </tr> | |
| 20 | </table> | |
| 21 | <table border="0" align="right" cellpadding="0" cellspacing="0"> | |
| 22 | <tr> | |
| 23 | <td><a href="../titan_main.html" alt="contents"><img border="0" src="../images/ao.jpg" width="53" height="40"></a></td> | |
| 24 | <td><a href="../titan_index.html" alt="index"><img border="0" src="../images/up.jpg" width="53" height="40"></a></td> | |
| 25 | <td><a href="ifpresent.html" alt="previous"><img border="0" src="../images/left.jpg" width="53" height="40"></a></td> | |
| 26 | <td><a href="in.html" alt="next"><img border="0" src="../images/right.jpg" width="53" height="40"></a></td> | |
| 27 | </tr> | |
| 28 | </table> | |
| 29 | <p><br clear="all"> | |
| 30 | </p> | |
| 31 | <hr> | |
| 32 | <h1>import</h1> | |
| 33 | <hr align="left" width="75%"> | |
| 34 | <p>The statement makes it possible to <a href="#selective"> reuse all</a> or <a href="#selective">some of the definitions</a> specified in the module definitions part of a different module.</p> | |
| 35 | <ul> | |
| 36 | <li><a name="stop_all">The</a> keyword <a href="objid.html"><b><font face="Courier New" color="#003258" size="4">objid</font></b></a> is optionally used when the source <a href="#timer_start">module | |
| 37 | has an object identifier</a>.</li> | |
| 38 | <li><a name="stop_all">The</a> keyword <a href="language.html"><b><font face="Courier New" color="#003258" size="4">language</font></b></a> is used when importing <a href="#default">from a | |
| 39 | non-TTCN-3 module</a>.</li> | |
| 40 | <li><a name="stop_all">The</a> keyword <a href="except.html"><b><font face="Courier New" color="#003258" size="4">except</font></b></a> is used when there is a need <a href="#default">to | |
| 41 | exclude some of the definitions</a> from the import.</li> | |
| 42 | <li> | |
| 43 | <p>The keyword <a href="recursive.html"><font face="Courier New" size="4"><b>recursive</b></font> </a> means that every definition required by the specified definitions must also be imported. It | |
| 44 | can only be used with selective import.</p> | |
| 45 | </li> | |
| 46 | </ul> | |
| 47 | <p>Related keywords:</p> | |
| 48 | <ul> | |
| 49 | <li><a href="all.html"><b><font face="Courier New" color="#003258" size="4">all</font></b></a></li> | |
| 50 | <li><a href="except.html"><b><font face="Courier New" color="#003258" size="4">except</font></b></a></li> | |
| 51 | <li><a href="from.html"><b><font face="Courier New" color="#003258" size="4">from</font></b></a></li> | |
| 52 | <li><a href="language.html"><b><font face="Courier New" color="#003258" size="4">language</font></b></a></li> | |
| 53 | <li><a href="language.html"><b><font face="Courier New" color="#003258" size="4">objid</font></b></a></li> | |
| 54 | </ul> | |
| 55 | <hr align="left" width="50%"> | |
| 56 | <p>1. <a name="timer">Importing everything from a module</a></p> | |
| 57 | <div align="center"> | |
| 58 | <center> | |
| 59 | <table border="0" width="90%" bgcolor="#FFB599" cellpadding="4"> | |
| 60 | <tr> | |
| 61 | <td width="100%"> | |
| 62 | <h3 align="center"><font face="Courier New" color="#003258" size="5"><b>import from </b></font><i>module_identifier</i> [<font face="Courier New" color="#003258" size="5"><b>.objid(</b></font><i>object_identifier</i><font | |
| 63 | face="Courier New" color="#003258" size="5"><b>)</b></font> ] [ <font face="Courier New" color="#003258" size="5"><b>language "</b></font><i>language_identifier</i><font face="Courier New" | |
| 64 | color="#003258" size="5"><b>"</b></font> ] <font face="Courier New" color="#003258" size="5"><b>all;</b></font></h3> | |
| 65 | </td> | |
| 66 | </tr> | |
| 67 | </table> | |
| 68 | </center> | |
| 69 | </div> | |
| 70 | <ul> | |
| 71 | <li> | |
| 72 | <p><font face="Courier New" size="4"><b>import from</b></font> is a keyword of two parts, they together introduce the import definition.</p> | |
| 73 | </li> | |
| 74 | <li> | |
| 75 | <p><i>module_identifier</i> is the name used to refer to the module where the definitions are imported from. It must begin with a letter, may contain letters, numbers and underscore | |
| 76 | characters.</p> | |
| 77 | </li> | |
| 78 | </ul> | |
| 79 | <table border="0" width="100%" bgcolor="#C9C2BB" cellpadding="4"> | |
| 80 | <tr> | |
| 81 | <td width="100%"> | |
| 82 | <blockquote> | |
| 83 | <p><u>TITAN specific restriction compared to the standard:</u></p> | |
| 84 | </blockquote> | |
| 85 | <ul> | |
| 86 | <li> | |
| 87 | <p> <font face="Courier New" size="4"><b>objid(</b></font><i>object_identifier</i><font face="Courier New" size="4"><b>)</b></font> is not implemented. When encountered in the TTCN-3 | |
| 88 | program, it will be discarded without evaluation.</p> | |
| 89 | </li> | |
| 90 | </ul> | |
| 91 | </td> | |
| 92 | </tr> | |
| 93 | </table> | |
| 94 | <ul> | |
| 95 | <li> | |
| 96 | <p><font face="Courier New" size="4"><b>language</b></font><font face="Courier New" color="#003258" size="5"><b>"</b></font><i>language_identifier</i><font face="Courier New" | |
| 97 | color="#003258" size="5"><b>"</b></font> is used when definitions are imported from sources other than TTCN-3 modules to denote the language (=<i>language_identifier</i>) of that source.</p> | |
| 98 | </li> | |
| 99 | <li> | |
| 100 | <p><font face="Courier New" size="4"><b>all</b></font> means that every definition must be imported from the source.</p> | |
| 101 | </li> | |
| 102 | </ul> | |
| 103 | <hr align="left" width="50%"> | |
| 104 | <p><a name="timer_start">Example 1a</a>: | |
| 105 | <p><font face="Courier New">import from Ce_mod all;<br> | |
| 106 | </font> | |
| 107 | <p>All definitions from the module Ce_mod will be imported.</p> | |
| 108 | <hr align="left" width="50%"> | |
| 109 | <p><a name="timer_start">Example 1b</a>: | |
| 110 | <p><font face="Courier New">import from Ia_mod.objid{0 4 0 127 5 0} all;<br> | |
| 111 | </font> | |
| 112 | <p>All definitions will be imported from the module Ia_mod with the object identifier 0.4.0.127.5.0 in the module name.</p> | |
| 113 | <hr align="left" width="50%"> | |
| 114 | <p><a name="default">Example 1c:</a> | |
| 115 | <p><font face="Courier New">import from Muj_mod language "ASN.1:2002" all;<br> | |
| 116 | </font> | |
| 117 | <p>All definitions from the module Muj_mod written in the 2002 version of ASN.1 will be imported.</p> | |
| 118 | <hr align="left" width="75%"> | |
| 119 | <p>2. <a name="selective">Selective import</a></p> | |
| 120 | <table border="0" width="100%" bgcolor="#C9C2BB" cellpadding="4"> | |
| 121 | <tr> | |
| 122 | <td width="100%"> | |
| 123 | <blockquote> | |
| 124 | <p><u>TITAN specific restriction compared to the standard:</u></p> | |
| 125 | </blockquote> | |
| 126 | <p> Selective import is not implemented. When encountered in the TTCN-3 program, it will be treated as a statement for importing all definitions.</p> | |
| 127 | </td> | |
| 128 | </tr> | |
| 129 | </table> | |
| 130 | <p> </p> | |
| 131 | <div align="center"> | |
| 132 | <center> | |
| 133 | <table border="0" width="90%" bgcolor="#FFB599" cellpadding="4"> | |
| 134 | <tr> | |
| 135 | <td width="100%"> | |
| 136 | <h3 align="center"><font face="Courier New" color="#003258" size="5"><b>import from </b></font><i>module_identifier</i> [<font face="Courier New" color="#003258" size="5"><b>.objid(</b></font><i>object_identifier</i><font | |
| 137 | face="Courier New" color="#003258" size="5"><b>)</b></font> ] [ <font face="Courier New" color="#003258" size="5"><b>language "</b></font><i>language_identifier</i><font face="Courier New" | |
| 138 | color="#003258" size="5"><b>"</b></font> ] <font face="Courier New" color="#003258" size="5"><b>all except {</b></font><i>exception_list</i><font face="Courier New" color="#003258" size="5"><b>};</b></font> | |
| 139 | </h3> | |
| 140 | </td> | |
| 141 | </tr> | |
| 142 | </table> | |
| 143 | </center> | |
| 144 | </div> | |
| 145 | <ul> | |
| 146 | <li> | |
| 147 | <p><font face="Courier New" size="4"><b>import from</b></font> is a keyword of two parts, they together introduce the import definition.</p> | |
| 148 | </li> | |
| 149 | <li> | |
| 150 | <p><i>module_identifier</i> is the name used to refer to the module where the definitions are imported from. It must begin with a letter, may contain letters, numbers and underscore | |
| 151 | characters.</p> | |
| 152 | </li> | |
| 153 | </ul> | |
| 154 | <table border="0" width="100%" bgcolor="#C9C2BB" cellpadding="4"> | |
| 155 | <tr> | |
| 156 | <td width="100%"> | |
| 157 | <blockquote> | |
| 158 | <p><u>TITAN specific restriction compared to the standard:</u></p> | |
| 159 | </blockquote> | |
| 160 | <ul> | |
| 161 | <li> | |
| 162 | <p> <font face="Courier New" size="4"><b>objid(</b></font><i>object_identifier</i><font face="Courier New" size="4"><b>)</b></font> is not implemented. When encountered in the TTCN-3 | |
| 163 | program, it will be discarded without evaluation.</p> | |
| 164 | </li> | |
| 165 | </ul> | |
| 166 | </td> | |
| 167 | </tr> | |
| 168 | </table> | |
| 169 | <ul> | |
| 170 | <li> | |
| 171 | <p><font face="Courier New" size="4"><b>language</b></font><font face="Courier New" color="#003258" size="5"><b> "</b></font><i>language_identifier</i><font face="Courier New" | |
| 172 | color="#003258" size="5"><b>"</b></font> is used when definitions are imported from sources other than TTCN-3 modules to denote the language (=<i>language_identifier</i>) of that source.</p> | |
| 173 | </li> | |
| 174 | <li> | |
| 175 | <p><font face="Courier New" size="4"><b>all</b></font> means that every definition must be imported from the source.</p> | |
| 176 | </li> | |
| 177 | <li><font face="Courier New" size="4"><b>except</b></font><font face="Courier New" color="#003258" size="5"><b> {</b></font><i>exception_list</i><font face="Courier New" color="#003258" | |
| 178 | size="5"><b>}</b></font> is used to exclude some of the definitions of the source module. <br> | |
| 179 | <i>exception_list</i> may contain one of the following definitions: modulepar | const | type | signature | template | function | altstep | testcase | group. <br> | |
| 180 | It is possible to list several restrictions of the same type separated by comma and enumerate several types of restrictions separated by semicolon..</li> | |
| 181 | </ul> | |
| 182 | <hr align="left" width="50%"> | |
| 183 | <p><a name="except">Example 2a:</a> | |
| 184 | <p><font face="Courier New">import from Min_mod all except {testcase tc_one, tc_deux; function f_tre()};<br> | |
| 185 | </font> | |
| 186 | <p>All definitions from the module Min_mod will be imported except the test cases tc_one and tc_deux as well as the function f_tre().</p> | |
| 187 | <hr align="left" width="50%" color="#0094D2"> | |
| 188 | <div align="center"> | |
| 189 | <center> | |
| 190 | <table border="0" width="90%" bgcolor="#FFB599" cellpadding="4"> | |
| 191 | <tr> | |
| 192 | <td width="100%"> | |
| 193 | <h3 align="center"><font face="Courier New" color="#003258" size="5"><b>import from </b></font><i>module_identifier</i> [<font face="Courier New" color="#003258" size="5"><b>.objid(</b></font><i>object_identifier</i><font | |
| 194 | face="Courier New" color="#003258" size="5"><b>)</b></font> ] [ <font face="Courier New" color="#003258" size="5"><b>language "</b></font><i>language_identifier</i><font face="Courier New" | |
| 195 | color="#003258" size="5"><b>"</b></font> ] [ <font face="Courier New" color="#003258" size="5"><b>recursive</b></font> ]<font face="Courier New" color="#003258" size="5"><b> | |
| 196 | {</b></font><i>importation_list</i><font face="Courier New" color="#003258" size="5"><b>};</b></font></h3> | |
| 197 | </td> | |
| 198 | </tr> | |
| 199 | </table> | |
| 200 | </center> | |
| 201 | </div> | |
| 202 | <ul> | |
| 203 | <li> | |
| 204 | <p><font face="Courier New" size="4"><b>import from</b></font> is a keyword of two parts, they together introduce the import definition.</p> | |
| 205 | </li> | |
| 206 | <li> | |
| 207 | <p><i>module_identifier</i> is the name used to refer to the module where the definitions are imported from. It must begin with a letter, may contain letters, numbers and underscore | |
| 208 | characters.</p> | |
| 209 | </li> | |
| 210 | </ul> | |
| 211 | <table border="0" width="100%" bgcolor="#C9C2BB" cellpadding="4"> | |
| 212 | <tr> | |
| 213 | <td width="100%"> | |
| 214 | <blockquote> | |
| 215 | <p><u>TITAN specific restriction compared to the standard:</u></p> | |
| 216 | </blockquote> | |
| 217 | <ul> | |
| 218 | <li> | |
| 219 | <p> <font face="Courier New" size="4"><b>objid(</b></font><i>object_identifier</i><font face="Courier New" size="4"><b>)</b></font> is not implemented. When encountered in the TTCN-3 | |
| 220 | program, it will be discarded without evaluation.</p> | |
| 221 | </li> | |
| 222 | </ul> | |
| 223 | </td> | |
| 224 | </tr> | |
| 225 | </table> | |
| 226 | <ul> | |
| 227 | <li> | |
| 228 | <p><font face="Courier New" size="4"><b>language</b></font><font face="Courier New" color="#003258" size="5"><b> "</b></font><i>language_identifier</i><font face="Courier New" | |
| 229 | color="#003258" size="5"><b>"</b></font> is used when definitions are imported from sources other than TTCN-3 modules to denote the language (=<i>language_identifier</i>) of that source.</p> | |
| 230 | </li> | |
| 231 | <li> | |
| 232 | <p><font face="Courier New" size="4"><b>recursive</b></font> means that every definition required by the specified definitions must also be imported.</p> | |
| 233 | </li> | |
| 234 | <li><i>importation_list</i> is used to enumerate the definitions of the source module to be imported. <br> | |
| 235 | It may contain one of the following definitions: modulepar | const | type | signature | template | function | altstep | testcase | group. <br> | |
| 236 | It is possible to list several definitions of the same type separated by comma and enumerate several types of definitions separated by semicolon..</li> | |
| 237 | </ul> | |
| 238 | <hr align="left" width="50%"> | |
| 239 | <p><a name="list">Example 2b:</a> | |
| 240 | <p><font face="Courier New">import from Mon_Mod {const c_derde, c_fjaerde; var v_cinquieme; template all};</font> | |
| 241 | <p>The constants c_derde and c_fjaerde as well as the variable v_cinquieme together with all templates will be imported from the module Mon_mod.</p> | |
| 242 | <hr align="left" width="50%"> | |
| 243 | <p><a name="recursive">Example 2c:</a> | |
| 244 | <p><font face="Courier New">import from Mon_Mod recursive {const c_hetedik};</font> | |
| 245 | <p>The constant c_hetedik will be imported from the module Mon_mod along with the definitions required by c_hetedik.</p> | |
| 246 | <hr align="left" width="75%"> | |
| 247 | <p>3. <a name="timer">Importing of import statements</a></p> | |
| 248 | <div align="center"> | |
| 249 | <center> | |
| 250 | <table border="0" width="90%" bgcolor="#FFB599" cellpadding="4"> | |
| 251 | <tr> | |
| 252 | <td width="100%"> | |
| 253 | <h3 align="center"><font face="Courier New" color="#003258" size="5"><b>import from </b></font><i>module_identifier</i> [<font face="Courier New" color="#003258" size="5"><b>.objid(</b></font><i>object_identifier</i><font | |
| 254 | face="Courier New" color="#003258" size="5"><b>)</b></font> ] [ <font face="Courier New" color="#003258" size="5"><b>language "</b></font><i>language_identifier</i><font face="Courier New" | |
| 255 | color="#003258" size="5"><b>"</b></font> ] <font face="Courier New" color="#003258" size="5"><b>{ import all; }</b></font></h3> | |
| 256 | </td> | |
| 257 | </tr> | |
| 258 | </table> | |
| 259 | </center> | |
| 260 | </div> | |
| 261 | <ul> | |
| 262 | <li> | |
| 263 | <p><font face="Courier New" size="4"><b>import from</b></font> is a keyword of two parts, they together introduce the import definition.</p> | |
| 264 | </li> | |
| 265 | <li> | |
| 266 | <p><i>module_identifier</i> is the name used to refer to the module where the definitions are imported from. It must begin with a letter, may contain letters, numbers and underscore | |
| 267 | characters.</p> | |
| 268 | </li> | |
| 269 | </ul> | |
| 270 | <table border="0" width="100%" bgcolor="#C9C2BB" cellpadding="4"> | |
| 271 | <tr> | |
| 272 | <td width="100%"> | |
| 273 | <blockquote> | |
| 274 | <p><u>TITAN specific restriction compared to the standard:</u></p> | |
| 275 | </blockquote> | |
| 276 | <ul> | |
| 277 | <li> | |
| 278 | <p> <font face="Courier New" size="4"><b>objid(</b></font><i>object_identifier</i><font face="Courier New" size="4"><b>)</b></font> is not implemented. When encountered in the TTCN-3 | |
| 279 | program, it will be discarded without evaluation.</p> | |
| 280 | </li> | |
| 281 | </ul> | |
| 282 | </td> | |
| 283 | </tr> | |
| 284 | </table> | |
| 285 | <ul> | |
| 286 | <li> | |
| 287 | <p><font face="Courier New" size="4"><b>language</b></font><font face="Courier New" color="#003258" size="5"><b>"</b></font><i>language_identifier</i><font face="Courier New" | |
| 288 | color="#003258" size="5"><b>"</b></font> is used when definitions are imported from sources other than TTCN-3 modules to denote the language (=<i>language_identifier</i>) of that source.</p> | |
| 289 | </li> | |
| 290 | <li> | |
| 291 | <p><font face="Courier New" size="4"><b>import all</b></font> means that every visible<a href="#visible"><sup>*</sup></a> import statement must be imported from the source.</p> | |
| 292 | </li> | |
| 293 | </ul> | |
| 294 | <hr align="left" width="50%"> | |
| 295 | <p><a name="timer_start">Example 1a</a>: | |
| 296 | <p><font face="Courier New">import from G_mod { import all };<br> | |
| 297 | </font> | |
| 298 | <p>All visible import statements from the module G_mod will be imported. | |
| 299 | This has the same effect as if the visible import statements of module G_mod were copied into the importing module.</p> | |
| 300 | <hr align="left" width="75%"> | |
| 301 | <a name="visible">Note that the visibility of import statements is by default <a href="private.html">private</a>. | |
| 302 | For an import statement to be visible, it must be made <a href="public.html">public</a>, or the importing module | |
| 303 | has to be declared as <a href="friend.html">friend</a> of the module containing the import statement.</a> | |
| 304 | <p><a HREF="BNF.html#importdef">BNF definition</a> of <font face="Courier New">import</font></p> | |
| 305 | </body> | |
| 306 | </html> |