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<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="../compiler.html">Inform7</a></li><li><b>values</b></li></ul>
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<p class="purpose">Representing and parsing values, descriptions and conditions. This is version 1.</p>
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<hr>
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<div class="contentspage">
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<ul class="chapterlist">
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<li>
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<p class="chapterentry"><a name="P"></a>
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<span class="chaptertitle">Preliminaries</span></p>
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<ul class="sectionlist">
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<li>
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<p class="sectionentry"><a href="P-wtmd.html">
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<spon class="sectiontitle">What This Module Does</span></a> -
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<span class="sectionpurpose">An overview of the values module's role and abilities.</span></p>
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</li>
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</ul>
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</li>
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<li>
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<p class="chapterentry"><a name="1"></a>
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<span class="chaptertitle">Chapter 1: Configuration and Control</span></p>
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<ul class="sectionlist">
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<li>
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<p class="sectionentry"><a href="1-vm.html">
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<spon class="sectiontitle">Values Module</span></a> -
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<span class="sectionpurpose">Setting up the use of this module.</span></p>
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</li>
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<li>
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<p class="sectionentry"><a href="1-mc.html">
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<spon class="sectiontitle">Meaning Codes</span></a> -
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<span class="sectionpurpose">The set of meaning codes used when Inform runs the excerpt parser.</span></p>
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</li>
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</ul>
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</li>
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<li>
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<p class="chapterentry"><a name="2"></a>
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<span class="chaptertitle">Chapter 2: Specifications</span></p>
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<p class="chapterpurpose">An umbrella category for ways to describe data or its nature.</p>
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<ul class="sectionlist">
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<li>
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<p class="sectionentry"><a href="2-spc.html">
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<spon class="sectiontitle">Specifications</span></a> -
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<span class="sectionpurpose">To create, manage and compare specifications.</span></p>
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</li>
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<li>
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<p class="sectionentry"><a href="2-rvl.html">
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<spon class="sectiontitle">Rvalues</span></a> -
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<span class="sectionpurpose">Specific values which can be stored or used at run-time.</span></p>
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</li>
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<li>
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<p class="sectionentry"><a href="2-lvl.html">
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<spon class="sectiontitle">Lvalues</span></a> -
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<span class="sectionpurpose">Storage locations into which rvalues can be put at run-time.</span></p>
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</li>
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<li>
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<p class="sectionentry"><a href="2-cnd.html">
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<spon class="sectiontitle">Conditions</span></a> -
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<span class="sectionpurpose">States of being which at any given point, at run-time, might be true or false.</span></p>
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</li>
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<li>
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<p class="sectionentry"><a href="2-dsc.html">
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<spon class="sectiontitle">Descriptions</span></a> -
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<span class="sectionpurpose">Descriptions such as "open door" or "number which is greater than 8" which may or may not be true of any given rvalue at run-time.</span></p>
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</li>
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</ul>
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</li>
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<li>
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<p class="chapterentry"><a name="3"></a>
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<span class="chaptertitle">Chapter 3: Literals</span></p>
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<p class="chapterpurpose">Notations for explicit values such as 10:03 AM, six, 34 kg, and so on.</p>
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<ul class="sectionlist">
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<li>
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<p class="sectionentry"><a href="3-pl.html">
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<spon class="sectiontitle">Parsing Literals</span></a> -
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<span class="sectionpurpose">To decide if an excerpt of text is a value referred to notationally rather than by name.</span></p>
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</li>
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<li>
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<p class="sectionentry"><a href="3-lp.html">
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<spon class="sectiontitle">Literal Patterns</span></a> -
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<span class="sectionpurpose">To manage the possible notations with which literal values can be written.</span></p>
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</li>
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<li>
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<p class="sectionentry"><a href="3-lrn.html">
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<spon class="sectiontitle">Literal Real Numbers</span></a> -
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<span class="sectionpurpose">To parse real numbers written as decimal expansions, or in scientific or engineering notation.</span></p>
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</li>
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<li>
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<p class="sectionentry"><a href="3-tod.html">
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<spon class="sectiontitle">Times of Day</span></a> -
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<span class="sectionpurpose">To make a built-in kind of value for times of day, such as "11:22 AM".</span></p>
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</li>
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<li>
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<p class="sectionentry"><a href="3-ul.html">
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<spon class="sectiontitle">Unicode Literals</span></a> -
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<span class="sectionpurpose">To manage the names assigned to Unicode character values.</span></p>
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</li>
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<li>
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<p class="sectionentry"><a href="3-tt.html">
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<spon class="sectiontitle">Transcoding Text</span></a> -
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<span class="sectionpurpose">To change the escape-character conventions used in text streams.</span></p>
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</li>
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<li>
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<p class="sectionentry"><a href="3-ll.html">
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<spon class="sectiontitle">Literal Lists</span></a> -
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<span class="sectionpurpose">Parsing and vetting the kinds of literal lists written in braces.</span></p>
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</li>
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</ul>
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</li>
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<li>
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<p class="chapterentry"><a name="4"></a>
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<span class="chaptertitle">Chapter 4: The S-Parser</span></p>
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<p class="chapterpurpose">Preform grammar to turn natural language text into specifications.</p>
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<ul class="sectionlist">
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<li>
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<p class="sectionentry"><a href="4-ets.html">
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<spon class="sectiontitle">Enter the S-Parser</span></a> -
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<span class="sectionpurpose">The top-level nonterminals of the S-parser, which turns text into specifications.</span></p>
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</li>
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<li>
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<p class="sectionentry"><a href="4-cad.html">
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<spon class="sectiontitle">Constants and Descriptions</span></a> -
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<span class="sectionpurpose">To parse noun phrases in constant contexts, which specify values either explicitly or by describing them more or less vaguely.</span></p>
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</li>
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<li>
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<p class="sectionentry"><a href="4-teav.html">
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<spon class="sectiontitle">Type Expressions and Values</span></a> -
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<span class="sectionpurpose">To parse two forms of noun: a noun phrase in a sentence, and a description of what text can be written in a given situation.</span></p>
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</li>
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<li>
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<p class="sectionentry"><a href="4-varc.html">
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<spon class="sectiontitle">Verbal and Relative Clauses</span></a> -
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<span class="sectionpurpose">To break down an excerpt into NP and VP-like clauses, perhaps with a primary verb (to make a sentence), perhaps only a relative clause (to make a more complex NP).</span></p>
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</li>
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<li>
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<p class="sectionentry"><a href="4-cap.html">
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<spon class="sectiontitle">Conditions and Phrases</span></a> -
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<span class="sectionpurpose">To parse the text of To... phrases, say phrases and conditions.</span></p>
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</li>
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<li>
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<p class="sectionentry"><a href="4-il.html">
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<spon class="sectiontitle">Invocation Lists</span></a> -
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<span class="sectionpurpose">Invocation lists are lists of alternate readings of the same wording to invoke a phrase.</span></p>
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</li>
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<li>
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<p class="sectionentry"><a href="4-inv.html">
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<spon class="sectiontitle">Invocations</span></a> -
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<span class="sectionpurpose">Invocations are to phrases what function calls are to functions, though they do not always compile that way.</span></p>
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</li>
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<li>
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<p class="sectionentry"><a href="4-pi.html">
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<spon class="sectiontitle">Parse Invocations</span></a> -
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<span class="sectionpurpose">To register phrases with the excerpt parser, and to provide the excerpt parser with help in putting invocations together.</span></p>
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</li>
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</ul>
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</li>
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<li>
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<p class="chapterentry"><a name="5"></a>
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<span class="chaptertitle">Chapter 5: Type Checking</span></p>
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<p class="chapterpurpose">The Dash typechecker decides whether text matches a given description.</p>
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<ul class="sectionlist">
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<li>
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<p class="sectionentry"><a href="5-dsh.html">
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<spon class="sectiontitle">Dash</span></a> -
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<span class="sectionpurpose">The part of Inform most nearly like a typechecker in a conventional compiler.</span></p>
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</li>
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</ul>
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</li>
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</ul>
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</div>
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<hr>
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<p class="purpose">Powered by <a href="https://github.com/ganelson/inweb">Inweb</a>.</p>
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