<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE language SYSTEM "language.dtd">
<language name="Varnish module spec file" version="6" kateversion="5.0" section="Sources" extensions="*.vcc" author="Xavier Guerrin (xavier@tuxfamily.org)" license="WTFPL" priority="9">
  <highlighting>
    <!-- Extracted from the "ctypes" hash in lib/libvmod_std/vmod.py -->
    <list name="VCC C Types">
      <item>BACKEND</item>
      <item>BLOB</item>
      <item>BOOL</item>
      <item>BYTES</item>
      <item>DURATION</item>
      <item>HEADER</item>
      <item>HTTP</item>
      <item>INT</item>
      <item>IP</item>
      <item>PRIV_CALL</item>
      <item>PRIV_VCL</item>
      <item>REAL</item>
      <item>STRING</item>
      <item>STRING_LIST</item>
      <item>TIME</item>
      <item>VOID</item>
    </list>
    <contexts>
      <!-- Default context: define main keywords. -->
      <context name="vccnormal_text" attribute="Normal Text" lineEndContext="#stay">
        <IncludeRules context="##reStructuredText" />
        <StringDetect firstNonSpace="true" attribute="Keyword" context="module_declaration"   String="$Module"   endRegion="vcc_block" />
        <StringDetect firstNonSpace="true" attribute="Keyword" context="init_declaration"     String="$Init"     endRegion="vcc_block" />
        <StringDetect firstNonSpace="true" attribute="Keyword" context="function_declaration" String="$Function" endRegion="vcc_block" />
        <StringDetect firstNonSpace="true" attribute="Keyword" context="object_declaration"   String="$Object"   endRegion="vcc_block" />
        <StringDetect firstNonSpace="true" attribute="Keyword" context="method_declaration"   String="$Method"   endRegion="vcc_block" />
        <IncludeRules context="comments" />
      </context>

      <!-- Contexts for comments. -->
      <context name="comments" attribute="Comment" lineEndContext="#pop">
        <DetectChar char="#" context="shell-like-comment" attribute="Comment" />
      </context>
      <context name="shell-like-comment" attribute="Comment" lineEndContext="#pop">
        <DetectSpaces />
        <IncludeRules context="##Comments" />
      </context>

      <!-- Contexts for the "$Module" keyword. -->
      <context name="module_declaration" attribute="Normal Text" lineEndContext="#pop">
        <RegExpr attribute="VMod Identifier" context="module_section_expected" String="[a-zA-Z][a-zA-Z0-9_]*" />
      </context>
      <context name="module_section_expected" attribute="Normal Text" lineEndContext="#pop">
        <Int attribute="Decimal" context="module_fullname_expected" />
      </context>
      <context name="module_fullname_expected" attribute="String" lineEndContext="#pop">
      </context>

      <!-- Contexts for the "$Init" keyword. -->
      <context name="init_declaration" attribute="Normal Text" lineEndContext="#pop">
        <RegExpr attribute="Function Identifier" context="#stay" String="[a-zA-Z][a-zA-Z0-9_]*$" />
      </context>

      <!-- Contexts for the "$Function" keyword. -->
      <context name="function_declaration" attribute="Normal Text" lineEndContext="#pop">
        <keyword attribute="Data Type" String="VCC C Types" context="return_type_declared" />
      </context>
      <context name="return_type_declared" attribute="Normal Text" lineEndContext="#pop">
        <RegExpr attribute="Function Identifier" context="function_name_declared" String="[a-zA-Z][a-zA-Z0-9_]*" />
      </context>
      <context name="function_name_declared" attribute="Normal Text" lineEndContext="#pop">
        <DetectChar char="(" context="function_arg_type_expected" attribute="Normal Text" />
      </context>
      <context name="function_arg_type_expected" attribute="Normal Text" lineEndContext="#pop">
        <keyword attribute="Data Type" String="VCC C Types" context="function_comma_expected" />
        <StringDetect String="ENUM" context="enum" attribute="Data Type" />
        <DetectChar char=")" context="function_end" attribute="Normal Text" beginRegion="vcc_block" />
      </context>
      <context name="function_comma_expected" attribute="Normal Text" lineEndContext="#pop">
        <DetectChar char="," context="function_arg_type_expected" attribute="Normal Text" />
        <DetectChar char=")" context="function_end" attribute="Normal Text" beginRegion="vcc_block" />
      </context>
      <context name="function_end" attribute="Normal Text" lineEndContext="#pop">
      </context>

      <!-- Contexts for the "$Object" keyword. -->
      <context name="object_declaration" attribute="Normal Text" lineEndContext="#pop">
        <!-- Parse $Object as a $Function which does not need to state a return type -->
        <IncludeRules context="return_type_declared" />
      </context>

      <!-- Contexts for the "$Method" keyword. -->
      <context name="method_declaration" attribute="Normal Text" lineEndContext="#pop">
        <keyword attribute="Data Type" String="VCC C Types" context="method_return_type_declared" />
      </context>
      <context name="method_return_type_declared" attribute="Normal Text" lineEndContext="#pop">
        <RegExpr attribute="Function Identifier" context="function_name_declared" String="\.[a-zA-Z][a-zA-Z0-9_]*" />
      </context>

      <!-- Contexts for enums. -->
      <context name="enum" attribute="Normal Text" lineEndContext="#pop">
        <DetectChar char="{" context="enum_c_name_expected" attribute="Normal Text" />
      </context>
      <context name="enum_c_name_expected" attribute="Normal Text" lineEndContext="#pop">
        <RegExpr attribute="Symbol" context="enum_comma_expected" String="[a-z][a-z0-9_]*" />
        <DetectChar char="}" context="function_comma_expected" attribute="Normal Text" />
      </context>
      <context name="enum_comma_expected" attribute="Normal Text" lineEndContext="#pop">
        <DetectChar char="," context="enum_c_name_expected" attribute="Normal Text" />
        <DetectChar char="}" context="function_comma_expected" attribute="Normal Text" />
      </context>
    </contexts>
    <itemDatas>
      <itemData name="Normal Text"               defStyleNum="dsNormal" />
      <itemData name="Data Type"                 defStyleNum="dsDataType" spellChecking="false"/>
      <itemData name="Decimal"                   defStyleNum="dsDecVal" spellChecking="false"/>
      <itemData name="String"                    defStyleNum="dsString"/>
      <itemData name="VMod Identifier"           defStyleNum="dsAttribute" /> <!-- #0000FF -->
      <itemData name="Function Identifier"       defStyleNum="dsFunction" />
      <itemData name="Comment"                   defStyleNum="dsComment" />
      <itemData name="Symbol"                    defStyleNum="dsNormal" spellChecking="false"/>
      <itemData name="Keyword"                   defStyleNum="dsKeyword" />
    </itemDatas>
  </highlighting>
  <general>
    <comments>
      <comment name="singleLine" start="#" />
    </comments>
    <keywords casesensitive="1" />
  </general>
</language>
<!-- kate: space-indent on; indent-width 2; replace-tabs on; -->
