<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> <HTML> <HEAD> <META NAME="GENERATOR" CONTENT="SGML-Tools 1.0.9"> <TITLE> S-Lang Run-Time Library Reference: Version 1.4.0: Module Functions</TITLE> <LINK HREF="slangfun-17.html" REL=next> <LINK HREF="slangfun-15.html" REL=previous> <LINK HREF="slangfun.html#toc16" REL=contents> </HEAD> <BODY> <A HREF="slangfun-17.html">Next</A> <A HREF="slangfun-15.html">Previous</A> <A HREF="slangfun.html#toc16">Contents</A> <HR> <H2><A NAME="s16">16. Module Functions</A></H2> <P> <H2><A NAME="get_import_module_path"></A> <A NAME="ss16.1">16.1 <B>get_import_module_path</B></A> </H2> <P> <DL> <DT><B> Synopsis </B><DD><P>Get the search path for dynamically loadable objects <DT><B> Usage </B><DD><P><CODE>String_Type get_import_module_path ()</CODE> <DT><B> Description </B><DD><P>The <CODE>get_import_module_path</CODE> may be used to get the search path for dynamically shared objects. Such objects may be made accessable to the application via the <CODE>import</CODE> function. <DT><B> See Also </B><DD><P><CODE>import, set_import_module_path</CODE> </DL> <P> <P> <H2><A NAME="import"></A> <A NAME="ss16.2">16.2 <B>import</B></A> </H2> <P> <DL> <DT><B> Synopsis </B><DD><P>Dynamically link to a specified module <DT><B> Usage </B><DD><P><CODE>import (String_Type module [, String_Type namespace])</CODE> <DT><B> Description </B><DD><P>The <CODE>import</CODE> function causes the run-time linker to dynamically link to the shared object specified by the <CODE>module</CODE> parameter. It seaches for the shared object as follows: First a search is performed along all module paths specified by the application. Then a search is made along the paths defined via the <CODE>set_import_module_path</CODE> function. If not found, a search is performed along the paths given by the <CODE>SLANG_MODULE_PATH</CODE> environment variable. Finally, a system dependent search is performed (e.g., using the <CODE>LD_LIBRARY_PATH</CODE> environment variable). <P>The optional second parameter may be used to specify a namespace for the intrinsic functions and variables of the module. If this parameter is not present, the intrinsic objects will be placed into the global namespace. <P>This function signals an error if the specified module is not found. <DT><B> Notes </B><DD><P>The <CODE>import</CODE> function is not available on all systems. <DT><B> See Also </B><DD><P><CODE>set_import_module_path, use_namespace, current_namespace, getenv, evalfile</CODE> </DL> <P> <P> <H2><A NAME="set_import_module_path"></A> <A NAME="ss16.3">16.3 <B>set_import_module_path</B></A> </H2> <P> <DL> <DT><B> Synopsis </B><DD><P>Set the search path for dynamically loadable objects <DT><B> Usage </B><DD><P><CODE>set_import_module_path (String_Type path_list)</CODE> <DT><B> Description </B><DD><P>The <CODE>set_import_module_path</CODE> may be used to set the search path for dynamically shared objects. Such objects may be made accessable to the application via the <CODE>import</CODE> function. <P>The actual syntax for the specification of the set of paths will vary according to the operating system. Under Unix, a colon character is used to separate paths in <CODE>path_list</CODE>. For win32 systems a semi-colon is used. <DT><B> See Also </B><DD><P><CODE>import, get_import_module_path</CODE> </DL> <P> <P> <P> <HR> <A HREF="slangfun-17.html">Next</A> <A HREF="slangfun-15.html">Previous</A> <A HREF="slangfun.html#toc16">Contents</A> </BODY> </HTML>
