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<h4>General Information</h4>
<table BORDER=0 CELLSPACING=0 CELLPADDING=0>
<tr valign=top><td><img src="gifs/gelbekugel.gif" WIDTH=7 HEIGHT=7 ALT=" o"> </td><td><a href="index.html">Eli: Translator Construction Made Easy</a></td></tr>
<tr valign=top><td><img src="gifs/gelbekugel.gif" WIDTH=7 HEIGHT=7 ALT=" o"> </td><td><a href="gindex_toc.html">Global Index</a></td></tr>
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<h4>Tutorials</h4>
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<tr valign=top><td><img src="gifs/gelbekugel.gif" WIDTH=7 HEIGHT=7 ALT=" o"> </td><td><a href="novice_toc.html">Guide For new Eli Users</a></td></tr>
<tr valign=top><td><img src="gifs/gelbekugel.gif" WIDTH=7 HEIGHT=7 ALT=" o"> </td><td><a href="news_toc.html">Release Notes of Eli</a></td></tr>
<tr valign=top><td><img src="gifs/gelbekugel.gif" WIDTH=7 HEIGHT=7 ALT=" o"> </td><td><a href="nametutorial_toc.html">Tutorial on Name Analysis</a></td></tr>
<tr valign=top><td><img src="gifs/gelbekugel.gif" WIDTH=7 HEIGHT=7 ALT=" o"> </td><td><a href="typetutorial_toc.html">Tutorial on Type Analysis</a></td></tr>
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<h4>Reference Manuals</h4>
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<tr valign=top><td><img src="gifs/gelbekugel.gif" WIDTH=7 HEIGHT=7 ALT=" o"> </td><td><a href="ui_toc.html">User Interface</a></td></tr>
<tr valign=top><td><img src="gifs/gelbekugel.gif" WIDTH=7 HEIGHT=7 ALT=" o"> </td><td><a href="pp_toc.html">Eli products and parameters</a></td></tr>
<tr valign=top><td><img src="gifs/gelbekugel.gif" WIDTH=7 HEIGHT=7 ALT=" o"> </td><td><a href="lidoref_toc.html">LIDO Reference Manual</a></td></tr>
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<h4>Libraries</h4>
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<tr valign=top><td><img src="gifs/gelbekugel.gif" WIDTH=7 HEIGHT=7 ALT=" o"> </td><td><a href="modlib_toc.html">Specification Module Library</a></td></tr>
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<h4>Translation Tasks</h4>
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<tr valign=top><td><img src="gifs/gelbekugel.gif" WIDTH=7 HEIGHT=7 ALT=" o"> </td><td><a href="lex_toc.html">Lexical analysis specification</a></td></tr>
<tr valign=top><td><img src="gifs/gelbekugel.gif" WIDTH=7 HEIGHT=7 ALT=" o"> </td><td><a href="syntax_toc.html">Syntactic Analysis Manual</a></td></tr>
<tr valign=top><td><img src="gifs/gelbekugel.gif" WIDTH=7 HEIGHT=7 ALT=" o"> </td><td><a href="comptrees_toc.html">Computation in Trees</a></td></tr>
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<h4>Tools</h4>
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<tr valign=top><td><img src="gifs/gelbekugel.gif" WIDTH=7 HEIGHT=7 ALT=" o"> </td><td><a href="lcl_toc.html">LIGA Control Language</a> </td></tr>
<tr valign=top><td><img src="gifs/gelbekugel.gif" WIDTH=7 HEIGHT=7 ALT=" o"> </td><td><a href="show_toc.html">Debugging Information for LIDO</a> </td></tr>
<tr valign=top><td><img src="gifs/gelbekugel.gif" WIDTH=7 HEIGHT=7 ALT=" o"> </td><td><a href="gorto_toc.html">Graphical ORder TOol</a> </td></tr>
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<p>
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<tr valign=top><td><img src="gifs/gelbekugel.gif" WIDTH=7 HEIGHT=7 ALT=" o"> </td><td><a href="fw_toc.html">FunnelWeb User's Manual</a> </td></tr>
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<tr valign=top><td><img src="gifs/gelbekugel.gif" WIDTH=7 HEIGHT=7 ALT=" o"> </td><td><a href="ptg_toc.html">Pattern-based Text Generator</a> </td></tr>
<tr valign=top><td><img src="gifs/gelbekugel.gif" WIDTH=7 HEIGHT=7 ALT=" o"> </td><td><a href="deftbl_toc.html">Property Definition Language</a> </td></tr>
<tr valign=top><td><img src="gifs/gelbekugel.gif" WIDTH=7 HEIGHT=7 ALT=" o"> </td><td><a href="oil_toc.html">Operator Identification Language</a> </td></tr>
<tr valign=top><td><img src="gifs/gelbekugel.gif" WIDTH=7 HEIGHT=7 ALT=" o"> </td><td><a href="tp_toc.html">Tree Grammar Specification Language</a> </td></tr>
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<tr valign=top><td><img src="gifs/gelbekugel.gif" WIDTH=7 HEIGHT=7 ALT=" o"> </td><td><a href="cola_toc.html">COLA Options Reference Manual</a> </td></tr>
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<tr valign=top><td><img src="gifs/gelbekugel.gif" WIDTH=7 HEIGHT=7 ALT=" o"> </td><td><a href="idem_toc.html">Generating Unparsing Code</a> </td></tr>
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<h4>Administration</h4>
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<H1>LIDO - Reference Manual</H1>
<P>
$Revision: 4.29 $
<P>
This is a reference manual for LIDO, a language for the specification of
computations in trees. It is used to specify all computations of the analysis
phase and the translation phase of a language processor, which are to be
executed on the abstract tree. The main purpose of a LIDO specification is to
describe which computations have to be executed in which tree context, how those
computations depend on each other, and which values are propagated from one
computation to another. The functions called in computations and the types of
propagated values are implemented in C; those implementations are not part of a
LIDO specification.
<P>
<P>
<UL>
<LI><A NAME="SEC1" HREF="lidoref_1.html#SEC1">Introduction</A>
<LI><A NAME="SEC2" HREF="lidoref_2.html#SEC2">Overall Structure</A>
<LI><A NAME="SEC3" HREF="lidoref_3.html#SEC3">Rule Specifications</A>
<UL>
<LI><A NAME="SEC4" HREF="lidoref_3.html#SEC4">Productions</A>
</UL>
<LI><A NAME="SEC5" HREF="lidoref_4.html#SEC5">Symbol Specifications</A>
<LI><A NAME="SEC6" HREF="lidoref_5.html#SEC6">Computations</A>
<LI><A NAME="SEC7" HREF="lidoref_6.html#SEC7">Attributes</A>
<UL>
<LI><A NAME="SEC8" HREF="lidoref_6.html#SEC8">Types and Classes of Attributes</A>
</UL>
<LI><A NAME="SEC9" HREF="lidoref_7.html#SEC9">Expressions</A>
<UL>
<LI><A NAME="SEC10" HREF="lidoref_7.html#SEC10">Dependent Expressions</A>
<LI><A NAME="SEC11" HREF="lidoref_7.html#SEC11">Terminal Access</A>
<LI><A NAME="SEC12" HREF="lidoref_7.html#SEC12">Simple Expressions</A>
</UL>
<LI><A NAME="SEC13" HREF="lidoref_8.html#SEC13">Inheritance of Computations</A>
<LI><A NAME="SEC14" HREF="lidoref_9.html#SEC14">Remote Attribute Access</A>
<UL>
<LI><A NAME="SEC15" HREF="lidoref_9.html#SEC15">INCLUDING</A>
<LI><A NAME="SEC16" HREF="lidoref_9.html#SEC16">CONSTITUENT(S)</A>
<LI><A NAME="SEC17" HREF="lidoref_9.html#SEC17">CHAIN</A>
</UL>
<LI><A NAME="SEC18" HREF="lidoref_10.html#SEC18">Computed Subtrees</A>
<UL>
<LI><A NAME="SEC19" HREF="lidoref_10.html#SEC19">Tree Construction Functions</A>
</UL>
<LI><A NAME="SEC20" HREF="lidoref_11.html#SEC20">Iterations</A>
<LI><A NAME="SEC21" HREF="lidoref_12.html#SEC21">Predefined Entities</A>
<LI><A NAME="SEC22" HREF="lidoref_13.html#SEC22">Outdated Constructs</A>
<UL>
<LI><A NAME="SEC23" HREF="lidoref_13.html#SEC23">Terminals</A>
<LI><A NAME="SEC24" HREF="lidoref_13.html#SEC24">Keywords</A>
<LI><A NAME="SEC25" HREF="lidoref_13.html#SEC25">Pragmas</A>
</UL>
<LI><A NAME="SEC26" HREF="lidoref_14.html#SEC26">Syntax</A>
<LI><A NAME="SEC27" HREF="lidoref_15.html#SEC27">Index</A>
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