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	<updated>2026-04-05T20:58:40Z</updated>
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		<id>http://mw.hh.se/wg211/index.php?title=WG211/M11Hedin&amp;diff=637&amp;oldid=prev</id>
		<title>Ups: Created page with &quot;&#039;&#039;&#039;Parameterized reference attributes: examples and properties&#039;&#039;&#039; by Gorel Hedin  Reference attribute grammars (RAGs) have proven useful for building practical extensible compile...&quot;</title>
		<link rel="alternate" type="text/html" href="http://mw.hh.se/wg211/index.php?title=WG211/M11Hedin&amp;diff=637&amp;oldid=prev"/>
		<updated>2012-05-30T09:36:15Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;&amp;#039;&amp;#039;&amp;#039;Parameterized reference attributes: examples and properties&amp;#039;&amp;#039;&amp;#039; by Gorel Hedin  Reference attribute grammars (RAGs) have proven useful for building practical extensible compile...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Parameterized reference attributes: examples and properties&amp;#039;&amp;#039;&amp;#039; by Gorel Hedin&lt;br /&gt;
&lt;br /&gt;
Reference attribute grammars (RAGs) have proven useful for building&lt;br /&gt;
practical extensible compilers, as exemplified by compilers for Java and&lt;br /&gt;
Modelica.&lt;br /&gt;
&lt;br /&gt;
Reference attributes allow graphs to be programmed declaratively on top of&lt;br /&gt;
an abstract syntax tree. Examples include decl-use graphs, inheritance&lt;br /&gt;
graphs, and call graphs. Another important ingredient in RAGs is&lt;br /&gt;
parameterized attributes. These differ from ordinary attributes in that&lt;br /&gt;
they correspond to an unbounded set of values: one for each combination of&lt;br /&gt;
parameter values.&lt;br /&gt;
&lt;br /&gt;
In the talk I will discuss how parameterized attributes can be used for&lt;br /&gt;
solving various compilation problems, giving examples from existing&lt;br /&gt;
compilers. I will also discuss how they result in a fine-grained dependency&lt;br /&gt;
structure, making RAGs suitable as a basis for incremental evaluation.&lt;/div&gt;</summary>
		<author><name>Ups</name></author>
	</entry>
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