<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <!-- Created by GNU Texinfo 5.2, http://www.gnu.org/software/texinfo/ --> <head> <title>GCL SI Manual: Environment</title> <meta name="description" content="GCL SI Manual: Environment"> <meta name="keywords" content="GCL SI Manual: Environment"> <meta name="resource-type" content="document"> <meta name="distribution" content="global"> <meta name="Generator" content="makeinfo"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <link href="index.html#Top" rel="start" title="Top"> <link href="Function-and-Variable-Index.html#Function-and-Variable-Index" rel="index" title="Function and Variable Index"> <link href="Function-and-Variable-Index.html#SEC_Contents" rel="contents" title="Table of Contents"> <link href="Miscellaneous.html#Miscellaneous" rel="up" title="Miscellaneous"> <link href="Inititialization.html#Inititialization" rel="next" title="Inititialization"> <link href="Miscellaneous.html#Miscellaneous" rel="prev" title="Miscellaneous"> <style type="text/css"> <!-- a.summary-letter {text-decoration: none} blockquote.smallquotation {font-size: smaller} div.display {margin-left: 3.2em} div.example {margin-left: 3.2em} div.indentedblock {margin-left: 3.2em} div.lisp {margin-left: 3.2em} div.smalldisplay {margin-left: 3.2em} div.smallexample {margin-left: 3.2em} div.smallindentedblock {margin-left: 3.2em; font-size: smaller} div.smalllisp {margin-left: 3.2em} kbd {font-style:oblique} pre.display {font-family: inherit} pre.format {font-family: inherit} pre.menu-comment {font-family: serif} pre.menu-preformatted {font-family: serif} pre.smalldisplay {font-family: inherit; font-size: smaller} pre.smallexample {font-size: smaller} pre.smallformat {font-family: inherit; font-size: smaller} pre.smalllisp {font-size: smaller} span.nocodebreak {white-space:nowrap} span.nolinebreak {white-space:nowrap} span.roman {font-family:serif; font-weight:normal} span.sansserif {font-family:sans-serif; font-weight:normal} ul.no-bullet {list-style: none} --> </style> </head> <body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000"> <a name="Environment"></a> <div class="header"> <p> Next: <a href="Inititialization.html#Inititialization" accesskey="n" rel="next">Inititialization</a>, Previous: <a href="Miscellaneous.html#Miscellaneous" accesskey="p" rel="prev">Miscellaneous</a>, Up: <a href="Miscellaneous.html#Miscellaneous" accesskey="u" rel="up">Miscellaneous</a> [<a href="Function-and-Variable-Index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Function-and-Variable-Index.html#Function-and-Variable-Index" title="Index" rel="index">Index</a>]</p> </div> <hr> <a name="Environment-1"></a> <h3 class="section">19.1 Environment</h3> <p>The environment in GCL which is passed to macroexpand and other functions requesting an environment, should be a list of 3 lists. The first list looks like ((v1 val1) (v2 val2) ..) where vi are variables and vali are their values. The second is a list of ((fname1 . fbody1) (fname2 . fbody2) ...) where fbody1 is either (macro lambda-list lambda-body) or (lambda-list lambda-body) depending on whether this is a macro or a function. The third list contains tags and blocks. </p> </body> </html>