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<h3 class="section">2.4 Location Tracking Calculator: <code>ltcalc</code></h3>
<p><a name="index-location-tracking-calculator-87"></a><a name="index-g_t_0040code_007bltcalc_007d-88"></a><a name="index-calculator_002c-location-tracking-89"></a>
This example extends the infix notation calculator with location
tracking. This feature will be used to improve the error messages. For
the sake of clarity, this example is a simple integer calculator, since
most of the work needed to use locations will be done in the lexical
analyzer.
<ul class="menu">
<li><a accesskey="1" href="Ltcalc-Declarations.html#Ltcalc-Declarations">Ltcalc Declarations</a>: Bison and C declarations for ltcalc.
<li><a accesskey="2" href="Ltcalc-Rules.html#Ltcalc-Rules">Ltcalc Rules</a>: Grammar rules for ltcalc, with explanations.
<li><a accesskey="3" href="Ltcalc-Lexer.html#Ltcalc-Lexer">Ltcalc Lexer</a>: The lexical analyzer.
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