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

 This file is part of GtkSourceView

 Authors: Marco Barisione, Emanuele Aina
 Copyright (C) 2005-2007 Marco Barisione <barisione@gmail.com>
 Copyright (C) 2005-2007 Emanuele Aina

 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, write to the Free Software
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

-->
<language id="c" _name="C" version="2.0" _section="Sources">
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    <property name="mimetypes">text/x-c;text/x-csrc;image/x-xpixmap</property>
    <property name="globs">*.c</property>
    <property name="line-comment-start">//</property>
    <property name="block-comment-start">/*</property>
    <property name="block-comment-end">*/</property>
  </metadata>

  <styles>
    <style id="comment"           _name="Comment"               map-to="def:comment"/>
    <style id="string"            _name="String"                map-to="def:string"/>
    <style id="preprocessor"      _name="Preprocessor"          map-to="def:preprocessor"/>
    <style id="common-defines"    _name="Common Defines"        map-to="def:special-constant"/>
    <style id="included-file"     _name="Included File"         map-to="def:string"/>
    <style id="char"              _name="Character"             map-to="def:character"/>
    <style id="keyword"           _name="Keyword"               map-to="def:keyword"/>
    <style id="type"              _name="Data Type"             map-to="def:type"/>
    <style id="storage-class"     _name="Storage Class"         map-to="def:type"/>
    <style id="printf"            _name="printf Conversion"     map-to="def:special-char"/>
    <style id="escaped-character" _name="Escaped Character"     map-to="def:special-char"/>
    <style id="floating-point"    _name="Floating point number" map-to="def:floating-point"/>
    <style id="decimal"           _name="Decimal number"        map-to="def:decimal"/>
    <style id="octal"             _name="Octal number"          map-to="def:base-n-integer"/>
    <style id="hexadecimal"       _name="Hexadecimal number"    map-to="def:base-n-integer"/>
    <style id="boolean"           _name="Boolean value"         map-to="def:boolean"/>
    <style id="standard-stream"   _name="Standard stream"       map-to="def:constant"/>
    <style id="signal-name"       _name="Signal name"           map-to="def:constant"/>
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    <define-regex id="preproc-start">^\s*#\s*</define-regex>
    <define-regex id="escaped-character" extended="true">
      \\(                   # leading backslash
      [\\\"\'nrbtfav\?] |   # escaped character
      [0-7]{1,3} |          # one, two, or three octal digits
      x[0-9A-Fa-f]+         # 'x' followed by hex digits
      )
    </define-regex>

    <!--contexts NOT used on the main context-->
    <!-- TODO: what about scanf ? -->
    <!-- man 3 printf -->
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      <match extended="true">
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        (?:[1-9][0-9]*\$)?      # argument
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        (?:\.\-?(?:[0-9]+|\*))? # precision
        (?:hh|ll|[hlLqjzt])?    # length modifier
        [diouxXeEfFgGaAcsCSpnm] # conversion specifier
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        (include|import)\s*
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    <context id="preprocessor" style-ref="preprocessor" end-at-line-end="true">
      <start extended="true">
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        (define|undef|error|pragma|ident|if(n?def)?|else|elif|endif|line|warning)
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      <include>
        <context ref="def:line-continue" ignore-style="true"/>
        <context ref="string" ignore-style="true"/>
        <context ref="def:c-like-comment"/>
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      <end>"</end>
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        </context>
        <context ref="def:line-continue"/>
      </include>
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      <match>L?'(\%{escaped-character}|.)'</match>
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    <!-- http://www.lysator.liu.se/c/ANSI-C-grammar-l.html -->
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        ((\.[0-9]+ | [0-9]+\.[0-9]*) ([Ee][+-]?[0-9]*)? |
         ([0-9]+[Ee][+-]?[0-9]*))
        [fFlL]?
        (?![\w\.])
      </match>
    </context>

    <context id="hexadecimal" style-ref="hexadecimal">
      <match extended="true">
        (?&lt;![\w\.])
        0[xX][a-fA-F0-9]+[uUlL]*
        (?![\w\.])
      </match>
    </context>

    <context id="octal" style-ref="octal">
      <match extended="true">
        (?&lt;![\w\.])
        0[0-7]+[uUlL]*
        (?![\w\.])
      </match>
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    <context id="decimal" style-ref="decimal">
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        (?&lt;![\w\.])
        [0-9]+[uUlL]*
        (?![\w\.])
      </match>
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    <!-- Keywords -->
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      <keyword>break</keyword>
      <keyword>case</keyword>
      <keyword>continue</keyword>
      <keyword>default</keyword>
      <keyword>do</keyword>
      <keyword>else</keyword>
      <keyword>enum</keyword>
      <keyword>for</keyword>
      <keyword>fortran</keyword>
      <keyword>goto</keyword>
      <keyword>if</keyword>
      <keyword>return</keyword>
      <keyword>sizeof</keyword>
      <keyword>struct</keyword>
      <keyword>switch</keyword>
      <keyword>typedef</keyword>
      <keyword>union</keyword>
      <keyword>while</keyword>
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      <keyword>_Imaginary</keyword>
      <keyword>bool</keyword>
      <keyword>char</keyword>
      <keyword>double</keyword>
      <keyword>float</keyword>
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      <keyword>long</keyword>
      <keyword>short</keyword>
      <keyword>signed</keyword>
      <keyword>size_t</keyword>
      <keyword>unsigned</keyword>
      <keyword>void</keyword>
    </context>

    <context id="storage-class" style-ref="storage-class">
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      <keyword>const</keyword>
      <keyword>extern</keyword>
      <keyword>inline</keyword>
      <keyword>register</keyword>
      <keyword>restrict</keyword>
      <keyword>static</keyword>
      <keyword>volatile</keyword>
    </context>

    <!-- C99 booleans -->
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      <keyword>false</keyword>
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    <context id="common-defines" style-ref="common-defines">
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      <keyword>MAX</keyword>
      <keyword>MIN</keyword>
      <keyword>TRUE</keyword>
      <keyword>FALSE</keyword>
      <keyword>__LINE__</keyword>
      <keyword>__DATA__</keyword>
      <keyword>__FILE__</keyword>
      <keyword>__func__</keyword>
      <keyword>__TIME__</keyword>
      <keyword>__STDC__</keyword>
    </context>

    <context id="standard-streams" style-ref="standard-stream">
      <keyword>stdin</keyword>
      <keyword>stdout</keyword>
      <keyword>stderr</keyword>
    </context>

    <context id="signals" style-ref="signal-name">
      <keyword>SIGABRT</keyword>
      <keyword>SIGALRM</keyword>
      <keyword>SIGCHLD</keyword>
      <keyword>SIGCONT</keyword>
      <keyword>SIGFPE</keyword>
      <keyword>SIGHUP</keyword>
      <keyword>SIGILL</keyword>
      <keyword>SIGINT</keyword>
      <keyword>SIGKILL</keyword>
      <keyword>SIGPIPE</keyword>
      <keyword>SIGQUIT</keyword>
      <keyword>SIGSEGV</keyword>
      <keyword>SIGSTOP</keyword>
      <keyword>SIGTERM</keyword>
      <keyword>SIGTRAP</keyword>
      <keyword>SIGTSTP</keyword>
      <keyword>SIGTTIN</keyword>
      <keyword>SIGTTOU</keyword>
      <keyword>SIGUSR1</keyword>
      <keyword>SIGUSR2</keyword>
    </context>

    <!--Main context-->
    <context id="c" class="no-spell-check">
      <include>
        <context ref="gtk-doc:inline-docs-section"/>
        <context ref="def:c-like-comment"/>
        <context ref="def:c-like-comment-multiline"/>
        <context ref="def:c-like-close-comment-outside-comment"/>
        <context ref="if0-comment"/>
        <context ref="include"/>
        <context ref="preprocessor"/>
        <context ref="string"/>
        <context ref="char"/>
        <context ref="float"/>
        <context ref="hexadecimal"/>
        <context ref="octal"/>
        <context ref="decimal"/>
        <context ref="keywords"/>
        <context ref="types"/>
        <context ref="storage-class"/>
        <context ref="boolean"/>
        <context ref="common-defines"/>
        <context ref="standard-streams"/>
        <context ref="signals"/>
      </include>
    </context>

  </definitions>
</language>
