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diff --git a/helpcontent2/source/text/sbasic/shared/03090301.xhp b/helpcontent2/source/text/sbasic/shared/03090301.xhp new file mode 100644 index 000000000..b2331842b --- /dev/null +++ b/helpcontent2/source/text/sbasic/shared/03090301.xhp @@ -0,0 +1,91 @@ +<?xml version="1.0" encoding="UTF-8"?> +<helpdocument version="1.0"> +<!-- + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . +--> + +<meta> + <topic id="textsbasicshared03090301xml" indexer="include" status="PUBLISH"> + <title id="tit" xml-lang="en-US">GoSub...Return Statement</title> + <filename>/text/sbasic/shared/03090301.xhp</filename> + </topic> +</meta> + +<body> + +<section id="gosubreturn"> +<bookmark xml-lang="en-US" branch="index" id="bm_id3147242"> + <bookmark_value>GoSub...Return statement</bookmark_value> + <bookmark_value>label; in GoSub...Return statement</bookmark_value> +</bookmark> + +<h1 id="hd_id3147242" xml-lang="en-US"><variable id="GoSubh1"><link href="text/sbasic/shared/03090301.xhp" name="GoSub...Return Statement">GoSub...Return Statement</link></variable></h1> + <paragraph id="par_id3145316" role="paragraph" xml-lang="en-US">Calls a subroutine that is indicated by a label inside a <literal>Sub</literal> or a <literal>Function</literal>. The statements following the label are executed until the next <literal>Return</literal> statement. Afterwards, the program continues with the statement that follows the <literal>GoSub</literal> statement.</paragraph> +</section> + +<embed href="text/sbasic/shared/00000003.xhp#functsyntax"/> +<bascode> +<paragraph id="par_id3145069" role="bascode" xml-lang="en-US">GoSub label[:]</paragraph> +</bascode> + +<embed href="text/sbasic/shared/00000003.xhp#functparameters"/> +<paragraph role="paragraph" id="par_id471588670859073"><emph>label: </emph>A line identifier indicating where to continue execution. The scope of a label in that of the routine it belongs to.</paragraph> +<paragraph id="par_id3147318" role="paragraph" xml-lang="en-US">The <literal>GoSub</literal> statement calls a local subroutine indicated by a label from within a subroutine or a function. The name of the label must end with a colon (":").</paragraph> +<bascode> + <paragraph role="bascode" id="bas_id171588670446922" localize="false">Sub/Function foo</paragraph> + <paragraph role="bascode" id="bas_id411588670455217" xml-lang="en-US"> ' statements</paragraph> + <paragraph role="bascode" id="bas_id315886704565218" localize="false"> GoSub label</paragraph> + <paragraph role="bascode" id="bas_id421588670457589" xml-lang="en-US"> ' statements </paragraph> + <paragraph role="bascode" id="bas_id551588670457866" localize="false"> Exit Sub/Function</paragraph> + <paragraph role="bascode" id="bas_id721588670458055" localize="false">label:</paragraph> + <paragraph role="bascode" id="bas_id171588670458263" xml-lang="en-US"> ' statements </paragraph> + <paragraph role="bascode" id="bas_id881588670473041" localize="false"> Return</paragraph> + <paragraph role="bascode" id="bas_id661588670476240" localize="false">End Sub/Function</paragraph> +</bascode> + +<paragraph id="par_id3153190" role="warning" xml-lang="en-US">If the program encounters a Return statement not preceded by <emph>GoSub</emph>, $[officename] Basic returns an error message. Use <emph>Exit Sub</emph> or <emph>Exit Function</emph> to ensure that the program leaves a Sub or Function before reaching the next Return statement.</paragraph> +<paragraph id="par_id3145799" role="paragraph" xml-lang="en-US">The following example demonstrates the use of <emph>GoSub</emph> and <emph>Return</emph>. By executing a program section twice, the program calculates the square root of two numbers that are entered by the user.</paragraph> + +<embed href="text/sbasic/shared/00000003.xhp#functexample"/> +<bascode> +<paragraph id="par_idm1341591488" role="bascode" localize="false" xml-lang="en-US">Sub ExampleGoSub</paragraph> +<paragraph id="par_idm1341590256" role="bascode" localize="false" xml-lang="en-US">Dim iInputa As Single</paragraph> +<paragraph id="par_idm1341589024" role="bascode" localize="false" xml-lang="en-US">Dim iInputb As Single</paragraph> +<paragraph id="par_idm1341587792" role="bascode" localize="false" xml-lang="en-US">Dim iInputc As Single</paragraph> +<paragraph id="par_id3146970" role="bascode" xml-lang="en-US"> iInputa = Int(InputBox("Enter the first number: ","NumberInput"))</paragraph> +<paragraph id="par_id3150329" role="bascode" xml-lang="en-US"> iInputb = Int(InputBox("Enter the second number: ","NumberInput"))</paragraph> +<paragraph id="par_idm1341583040" role="bascode" localize="false" xml-lang="en-US"> iInputc=iInputa</paragraph> +<paragraph id="par_idm1341581808" role="bascode" localize="false" xml-lang="en-US"> GoSub SquareRoot</paragraph> +<paragraph id="par_id3154756" role="bascode" xml-lang="en-US"> Print "The square root of";iInputa;" is";iInputc</paragraph> +<paragraph id="par_idm1341578832" role="bascode" localize="false" xml-lang="en-US"> iInputc=iInputb</paragraph> +<paragraph id="par_idm1341577600" role="bascode" localize="false" xml-lang="en-US"> GoSub SquareRoot</paragraph> +<paragraph id="par_id3147340" role="bascode" xml-lang="en-US"> Print "The square root of";iInputb;" is";iInputc</paragraph> +<paragraph id="par_idm1341574624" role="bascode" localize="false" xml-lang="en-US"> Exit Sub</paragraph> +<paragraph id="par_idm1341573392" role="bascode" localize="false" xml-lang="en-US">SquareRoot:</paragraph> +<paragraph id="par_idm1341572160" role="bascode" localize="false" xml-lang="en-US"> iInputc=sqr(iInputc)</paragraph> +<paragraph id="par_idm1341570912" role="bascode" localize="false" xml-lang="en-US"> Return</paragraph> +<paragraph id="par_idm1341569680" role="bascode" localize="false" xml-lang="en-US">End Sub</paragraph> +</bascode> + +<section id="relatedtopics"> + <embed href="text/sbasic/shared/03090302.xhp#GoToh1"/> + <embed href="text/sbasic/shared/03090303.xhp#OnGoSubGoToh1"/> +</section> + +</body> + +</helpdocument>
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