<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE language SYSTEM "language.dtd">
<!--
========================================================================
YACC.XML supports syntax highlighting for Yacc/Bison source under Kate.

Copyright (C) 2004, Jan Villat <jan.villat@net2000.ch>
This code is released under the LGPL as part of tdelibs/kate.
========================================================================


== UPDATE HISTORY ==
2007-10-01 // Sebastian Pipping <webmaster@hartwork.org>

  Added: Extension "*.yy" for Bison

2004-05-26 // Jan Villat <jan.villat@net2000.ch>

  YACC.XML 1.00 - First released.


== TODO ==
- Add a mime type (cannot find it !?)


========================================================================
-->
<language name="Yacc/Bison" version="3-1" kateversion="2.4" section="Sources" extensions="*.y;*.yy" author="Jan Villat (jan.villat@net2000.ch)" license="LGPL">

<highlighting>
<contexts>
  <context name="Pre Start" attribute="Normal Text" lineEndContext="#stay">
    <IncludeRules context="Comment" />
    <DetectSpaces />
    <Detect2Chars attribute="Content-Type Delimiter" context="C Declarations" char="%" char1="{" beginRegion="cdeclarations" column="0" />
    <RegExpr attribute="Normal Text" context="Declarations" String="." beginRegion="declarations" lookAhead="true" />
  </context>

  <context name="C Declarations" attribute="Normal Text" lineEndContext="#stay">
    <IncludeRules context="Comment" />
    <Detect2Chars attribute="Content-Type Delimiter" context="#pop" char="%" char1="}" endRegion="cdeclarations" column="0" />
    <IncludeRules context="##C++" />
  </context>

  <context name="Declarations" attribute="Normal Text" lineEndContext="#stay">
    <IncludeRules context="Comment" />
    <StringDetect attribute="Directive" context="Union Start" String="%union" />
    <Detect2Chars attribute="Content-Type Delimiter" context="Rules" char="%" char1="%" beginRegion="rules" endRegion="declarations" />

    <!-- not sure that strict yacc allows that ... but it is commonly used -->
    <Detect2Chars attribute="Content-Type Delimiter" context="C Declarations" char="%" char1="{" beginRegion="cdeclarations" column="0" />

    <DetectChar attribute="Directive" context="Percent Command" char="%" />
  </context>

  <context name="Union Start" attribute="Normal Text" lineEndContext="#stay">
    <IncludeRules context="Comment" />
    <DetectSpaces />
    <DetectChar attribute="Normal Text" context="Union In" char="{" beginRegion="union" />
    <RegExpr attribute="Alert" context="#pop" String="." />
  </context>
  <context name="Union In" attribute="Normal Text" lineEndContext="#stay">
    <DetectChar attribute="Normal Text" context="Union InIn" char="{" />
    <DetectChar attribute="Normal Text" context="#pop#pop" char="}" endRegion="union" />
    <IncludeRules context="##C++" />
  </context>
  <context name="Union InIn" attribute="Normal Text" lineEndContext="#stay">
    <DetectChar attribute="Normal Text" context="Union InIn" char="{" />
    <DetectChar attribute="Normal Text" context="#pop" char="}" />
    <IncludeRules context="##C++" />
  </context>

  <context name="Rules" attribute="Rule" lineEndContext="#stay">
    <IncludeRules context="Comment" />
    <Detect2Chars attribute="Content-Type Delimiter" context="User Code" char="%" char1="%" beginRegion="code" endRegion="rules" />
    <DetectChar attribute="Normal Text" context="Rule In" char=":" beginRegion="rule" />
  </context>

  <context name="Rule In" attribute="Definition" lineEndContext="#stay">
    <IncludeRules context="Comment" />
    <DetectChar attribute="Normal Text" context="#pop" char=";" endRegion="rule" />
    <DetectChar attribute="Normal Text" context="Normal C Bloc" char="{" beginRegion="bloc" />
    <DetectChar attribute="Normal Text" context="#stay" char="|" />
    <IncludeRules context="StringOrChar" />
  </context>

  <context name="User Code" attribute="Normal Text" lineEndContext="#stay">
    <IncludeRules context="##C++" />
  </context>

  <context name="Percent Command" attribute="Directive" lineEndContext="#pop">
    <IncludeRules context="Comment" />
    <RegExpr attribute="Normal Text" context="Percent Command In" String="\W" lookAhead="true" />
  </context>
  <context name="Percent Command In" attribute="Normal Text" lineEndContext="#pop#pop">
    <IncludeRules context="StringOrChar" />
    <DetectChar attribute="Data Type" context="PC type" char="&lt;" />
  </context>
  <context name="PC type" attribute="Data Type" lineEndContext="#pop#pop#pop">
    <DetectChar attribute="Data Type" context="#pop" char="&gt;" />
  </context>

  <context name="Comment" attribute="Comment" lineEndContext="#stay">
    <Detect2Chars attribute="Comment" context="CommentStar" char="/" char1="*" />
    <!-- not sure that strict yacc allows that ... but I saw it in some sources ... -->
    <Detect2Chars attribute="Comment" context="CommentSlash" char="/" char1="/" />
  </context>
  <context name="CommentStar" attribute="Comment" lineEndContext="#stay">
    <Detect2Chars attribute="Comment" context="#pop" char="*" char1="/" />
  </context>
  <context name="CommentSlash" attribute="Comment" lineEndContext="#stay">
    <RegExpr attribute="Comment" context="#pop" String="[^\\]$" />
  </context>

  <context name="StringOrChar" attribute="Normal Text" lineEndContext="#stay">
    <DetectChar attribute="String Char" context="Char" char="'" />
    <DetectChar attribute="String" context="String" char="&quot;" />
  </context>
  <context name="String" attribute="String" lineEndContext="#pop">
    <RegExpr attribute="Backslash Code" context="#stay" String="\\." />
    <DetectChar attribute="String" context="#pop" char="&quot;" />
  </context>
  <context name="Char" attribute="String Char" lineEndContext="#pop">
    <RegExpr attribute="Backslash Code" context="#stay" String="\\." />
    <DetectChar attribute="String Char" context="#pop" char="'" />
  </context>

  <context name="Normal C Bloc" attribute="Normal Text" lineEndContext="#stay">
    <DetectChar attribute="Normal Text" context="Normal C Bloc" char="{" beginRegion="bloc" />
    <DetectChar attribute="Normal Text" context="#pop" char="}" endRegion="bloc" />
    <IncludeRules context="##C++" />
    <DetectChar attribute="Directive" context="Dol" char="$" />
  </context>
  <context name="Dol" attribute="Normal Text" fallthrough="true" fallthroughContext="DolEnd" lineEndContext="#stay">
    <RegExpr attribute="Data Type" context="DolEnd" String="&lt;[^&gt;]+&gt;" />
  </context>
  <context name="DolEnd" attribute="Normal Text" lineEndContext="#stay">
    <RegExpr attribute="Directive" context="#pop#pop" String="\d+" />
    <DetectChar attribute="Directive" context="#pop#pop" char="$" />
  </context>
</contexts>

<itemDatas>
  <itemData name="Normal Text" defStyleNum="dsNormal" />
  <itemData name="Definition" defStyleNum="dsNormal" />
  <itemData name="Comment" defStyleNum="dsComment" />
  <itemData name="Content-Type Delimiter" defStyleNum="dsBaseN" bold="1" />
  <itemData name="Directive" defStyleNum="dsKeyword"/>
  <itemData name="Rule" defStyleNum="dsString" />
  <itemData name="Backslash Code" defStyleNum="dsString" bold="1" />
  <itemData name="Alert" defStyleNum="dsAlert" />
  <itemData name="String" defStyleNum="dsString"/>
  <itemData name="String Char" defStyleNum="dsChar"/>
  <itemData name="Data Type" defStyleNum="dsDataType"/>
</itemDatas>

</highlighting>
<general>
  <comments>
    <comment name="multiLine" start="/*" end="*/" />
  </comments>
</general>
</language>
<!-- kate: space-indent on; indent-width 2; replace-tabs on; -->
