1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85
|
<?xml version="1.0" encoding="UTF-8"?>
<refentry xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:svg="http://www.w3.org/2000/svg" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:db="http://docbook.org/ns/docbook" version="5.0-subset Scilab" xml:lang="en" xml:id="error">
<info>
<pubdate>$LastChangedDate$</pubdate>
</info>
<refnamediv>
<refname>error</refname>
<refpurpose> error messages</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Calling Sequence</title>
<synopsis>error(message [,n])
error(n)
error(n,pos)</synopsis>
</refsynopsisdiv>
<refsection>
<title>Parameters</title>
<variablelist>
<varlistentry>
<term>message</term>
<listitem>
<para>a character string. The error message to be displayed.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>n</term>
<listitem>
<para>an integer. The number associated with the error message</para>
</listitem>
</varlistentry>
<varlistentry>
<term>pos</term>
<listitem>
<para>an integer. a parameter for the error message</para>
</listitem>
</varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Description</title>
<para><literal>error</literal> function allow to issue an error message and to
handle the error. By defaut <literal>error</literal> stops the current
execution and resume to the prompt level. This default can be changed
using the <literal>errcatch</literal> or <literal>execstr(...,'errcatch')</literal> functions.</para>
<para><literal>error(message)</literal> prints the character string contained in
<literal>message</literal>. The number associated with the error message is
10000 </para>
<para><literal>error(message,n)</literal> prints the character string contained in
<literal>message</literal>. The number associated with the error message is
given by <literal>n</literal>. This number should be greater than 10000. </para>
<para><literal>error(n)</literal> prints the predefined error message associated with
the error number <literal>n</literal>. </para>
<para>Some predefined error messages require a parameter (see
<link linkend="error_table">error_table</link>). In this case the <literal>pos</literal>
argument must be used <literal>error(n,pos)</literal> to give the parameter
value. In the other cases the <literal>pos</literal> argument is ignored.</para>
<para> see <link linkend="error_table">error_table</link> for a list of error messages and the
associated error numbers.</para>
</refsection>
<refsection>
<title>Examples</title>
<programlisting role="example"><![CDATA[
error('my error message')
error(43)
error(52,3)
]]></programlisting>
</refsection>
<refsection>
<title>See Also</title>
<simplelist type="inline">
<member>
<link linkend="warning">warning</link>
</member>
<member>
<link linkend="errcatch">errcatch</link>
</member>
<member>
<link linkend="execstr">execstr</link>
</member>
<member>
<link linkend="lasterror">lasterror</link>
</member>
</simplelist>
</refsection>
</refentry>
|