<?xml version="1.0" encoding="UTF-8"?>
<!--

 This file is part of GtkSourceView

 Author: Paolo Borelli <pborelli@gnome.org>
 Copyright (C) 2003-2007 Paolo Borelli

 GtkSourceView is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.

 GtkSourceView is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public License
 along with this library; if not, see <http://www.gnu.org/licenses/>.

-->
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    <property name="globs">*.v</property>
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    <property name="block-comment-start">/*</property>
    <property name="block-comment-end">*/</property>
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    <style id="string" _name="String" map-to="def:string"/>
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    <style id="error" _name="Error" map-to="def:error"/>
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    <style id="type" _name="Type" map-to="def:type"/>
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      <match extended="true">
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        (?:[1-9][0-9]*|\*)?     # width
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        [bBoOdDhHeEfFtTsSmMlL]  # format specifier
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      <keyword>line</keyword>
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    <!-- Common non-standard system functions as listed in the Doulos Verilog Golden Reference Guide. -->
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      <keyword>reset</keyword>
      <keyword>reset_count</keyword>
      <keyword>reset_value</keyword>
      <keyword>restart</keyword>
      <keyword>save</keyword>
      <keyword>scale</keyword>
      <keyword>scope</keyword>
      <keyword>showscopes</keyword>
      <keyword>showvars</keyword>
      <keyword>sreadmemb</keyword>
      <keyword>sreadmemh</keyword>
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    <context id="keywords" style-ref="keyword">
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      <keyword>assign</keyword>
      <keyword>attribute</keyword>
      <keyword>begin</keyword>
      <keyword>case</keyword>
      <keyword>casex</keyword>
      <keyword>casez</keyword>
      <keyword>deassign</keyword>
      <keyword>default</keyword>
      <keyword>defparam</keyword>
      <keyword>disable</keyword>
      <keyword>edge</keyword>
      <keyword>else</keyword>
      <keyword>end</keyword>
      <keyword>endattribute</keyword>
      <keyword>endcase</keyword>
      <keyword>endfunction</keyword>
      <keyword>endgenerate</keyword>
      <keyword>endmodule</keyword>
      <keyword>endprimitive</keyword>
      <keyword>endspecify</keyword>
      <keyword>endtable</keyword>
      <keyword>endtask</keyword>
      <keyword>for</keyword>
      <keyword>force</keyword>
      <keyword>forever</keyword>
      <keyword>fork</keyword>
      <keyword>function</keyword>
      <keyword>generate</keyword>
      <keyword>highz0</keyword>
      <keyword>highz1</keyword>
      <keyword>if</keyword>
      <keyword>ifnone</keyword>
      <keyword>initial</keyword>
      <keyword>join</keyword>
      <keyword>large</keyword>
      <keyword>macromodule</keyword>
      <keyword>medium</keyword>
      <keyword>module</keyword>
      <keyword>negedge</keyword>
      <keyword>posedge</keyword>
      <keyword>primitive</keyword>
      <keyword>pull0</keyword>
      <keyword>pull1</keyword>
      <keyword>release</keyword>
      <keyword>repeat</keyword>
      <keyword>signed</keyword>
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      <keyword>strength</keyword>
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      <keyword>strong1</keyword>
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      <keyword>task</keyword>
      <keyword>unsigned</keyword>
      <keyword>wait</keyword>
      <keyword>weak0</keyword>
      <keyword>weak1</keyword>
      <keyword>while</keyword>
    </context>

    <context id="gates" style-ref="gate">
      <keyword>and</keyword>
      <keyword>buf</keyword>
      <keyword>bufif0</keyword>
      <keyword>bufif1</keyword>
      <keyword>cmos</keyword>
      <keyword>nand</keyword>
      <keyword>nmos</keyword>
      <keyword>nor</keyword>
      <keyword>not</keyword>
      <keyword>notif0</keyword>
      <keyword>notif1</keyword>
      <keyword>or</keyword>
      <keyword>pmos</keyword>
      <keyword>pullup</keyword>
      <keyword>pulldown</keyword>
      <keyword>rcmos</keyword>
      <keyword>rnmos</keyword>
      <keyword>rpmos</keyword>
      <keyword>rtran</keyword>
      <keyword>rtranif0</keyword>
      <keyword>rtranif1</keyword>
      <keyword>tran</keyword>
      <keyword>tranif0</keyword>
      <keyword>tranif1</keyword>
      <keyword>xnor</keyword>
      <keyword>xor</keyword>
    </context>

    <context id="types" style-ref="type">
      <keyword>event</keyword>
      <keyword>genvar</keyword>
      <keyword>inout</keyword>
      <keyword>input</keyword>
      <keyword>integer</keyword>
      <keyword>output</keyword>
      <keyword>parameter</keyword>
      <keyword>real</keyword>
      <keyword>reg</keyword>
      <keyword>realtime</keyword>
      <keyword>scalared</keyword>
      <keyword>supply0</keyword>
      <keyword>supply1</keyword>
      <keyword>time</keyword>
      <keyword>tri</keyword>
      <keyword>tri0</keyword>
      <keyword>tri1</keyword>
      <keyword>triand</keyword>
      <keyword>trior</keyword>
      <keyword>trireg</keyword>
      <keyword>vectored</keyword>
      <keyword>wand</keyword>
      <keyword>wire</keyword>
      <keyword>wor</keyword>
    </context>

    <context id="binary-number" style-ref="base-n-integer">
      <match extended="true">
        (?&lt;![\w\.])
        [1-9][0-9]*'[bB][0-1_xXzZ?]+
        (?![\w\.])
      </match>
    </context>

    <context id="octal-number" style-ref="base-n-integer">
      <match extended="true">
        (?&lt;![\w\.])
        [1-9][0-9]*'[oO][0-7_xXzZ?]+
        (?![\w\.])
      </match>
    </context>

    <context id="decimal-number" style-ref="base-n-integer">
      <match extended="true">
        (?&lt;![\w\.])
        [1-9][0-9]*'[dD][0-9_xXzZ?]+
        (?![\w\.])
      </match>
    </context>

    <context id="hexadecimal-number" style-ref="base-n-integer">
      <match extended="true">
        (?&lt;![\w\.])
        [1-9][0-9]*'[hH][0-9a-fA-F_xXzZ?]+
        (?![\w\.])
      </match>
    </context>

    <define-regex id="exponent">[Ee][+-]?[0-9][0-9_]*</define-regex>
    <context id="real-number" style-ref="real-number">
      <match extended="true">
        (?&lt;![\w\.])
        [0-9][0-9_]*\.[0-9][0-9_]*\%{exponent}?
        (?![\w\.])
      </match>
    </context>

    <context id="integer-number" style-ref="integer-number">
      <match extended="true">
        (?&lt;![\w\.])
        [0-9][0-9_]*(E[+]?[0-9][0-9_]*)?
        (?![\w\.])
      </match>
    </context>

    <context id="verilog" class="no-spell-check">
      <include>
        <context ref="line-comment"/>
        <context ref="block-comment"/>
        <context ref="close-comment-outside-comment"/>
        <context ref="string"/>
        <context ref="compiler-directive"/>
        <context ref="ieee-system-task"/>
        <context ref="lrm-additional-system-task"/>
        <context ref="keywords"/>
        <context ref="gates"/>
        <context ref="types"/>
        <context ref="binary-number"/>
        <context ref="octal-number"/>
        <context ref="decimal-number"/>
        <context ref="hexadecimal-number"/>
        <context ref="real-number"/>
        <context ref="integer-number"/>
      </include>
    </context>

  </definitions>

</language>
