Authors: Jim Teeuwen

 Copyright (C) 2009-2010 Jim Teeuwen <jimteeuwen@gmail.com>

 Copyright (C) 2010 Kenny Meyer <knny.myer@gmail.com>

 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/>.

  See: http://code.google.com/p/go/source/browse/misc/vim/syntax/go.vim

-->

<language id="go" name="Go" version="2.0" _section="Source">

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    <property name="mimetype">text/x-go</property>

    <property name="globs">*.go</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="error"             name="Error"               map-to="def:error"/>

    <style id="string"            name="String"              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="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="imaginary"         name="Imaginary number"    map-to="def:number"/>

    <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="builtin-constant"  name="Builtin Constant"    map-to="def:special-constant"/>

    <style id="builtin-function"  name="Builtin Function"    map-to="def:builtin"/>

  </styles>

  <definitions>

    <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>

    <context id="printf" style-ref="printf" extend-parent="false">

      <match extended="true">

        \%\%|\%

        [#0\-\ \+\*]*        # flags

        (?:[1-9][0-9]*|\*)?  # width

        (?:\.(?:[0-9]+|\*))? # precision

        [vTtbcdoqxXUeEfgGsp] # conversion specifier

      </match>

    </context>

    <context id="comment" style-ref="comment" end-at-line-end="true" class-disabled="no-spell-check">

      <start>//</start>

      <include>

        <context ref="def:in-line-comment"/>

      </include>

    </context>

    <context id="comment-multiline" style-ref="comment" class-disabled="no-spell-check">

      <start>/\*</start>

      <end>\*/</end>

      <include>

        <context ref="def:in-comment"/>

      </include>

    </context>

    <context id="close-comment-outside-comment" style-ref="error">

      <match>\*/(?!\*)</match>

    </context>

    <context id="quoted-string" style-ref="string" end-at-line-end="true" class-disabled="no-spell-check">

      <start>"</start>

      <end>"</end>

      <include>

        <context ref="printf"/>

        <context id="escaped-character" style-ref="escaped-character">

          <match>\%{escaped-character}</match>

        </context>

        <context ref="def:line-continue"/>

      </include>

    </context>

    <context id="backquote-string" style-ref="string" end-at-line-end="false" class-disabled="no-spell-check">

      <start>`</start>

      <end>`</end>

      <include>

        <context ref="printf"/>

        <context ref="def:line-continue"/>

      </include>

    </context>

    <context id="char" style-ref="char">

      <match>'(\%{escaped-character}|.)'</match>

    </context>

    <define-regex id="float" extended="true">

      ((\.[0-9]+ | [0-9]+\.[0-9]*) ([Ee][+-]?[0-9]+)? |

      ([0-9]+[Ee][+-]?[0-9]+))

    </define-regex>

    <context id="imaginary" style-ref="imaginary">

      <match>(?<![\w\.])(\%{float}|\[0-9]+)[i]\b</match>

    </context>

    <context id="float" style-ref="floating-point">

      <match>(?<![\w\.])\%{float}(?![\w\.])</match>

    </context>

    <context id="hexadecimal" style-ref="hexadecimal">

      <match extended="true">

        (?<![\w\.])

        0[xX][a-fA-F0-9]+

        (?![\w\.])

      </match>

    </context>

    <context id="invalid-hexadecimal" style-ref="error">

      <match extended="true">

        (?<![\w\.])

        0[xX][a-fA-F0-9]*[g-zG-Z][a-zA-Z0-9]*

        (?![\w\.])

      </match>

    </context>

    <context id="octal" style-ref="octal">

      <match extended="true">

        (?<![\w\.])

        0[0-7]+

        (?![\w\.])

      </match>

    </context>

    <context id="invalid-octal" style-ref="error">

      <match extended="true">

        (?<![\w\.])

        0[0-7]*[89][0-9]*

        (?![\w\.])

      </match>

    </context>

    <context id="decimal" style-ref="decimal">

      <match extended="true">

        (?<![\w\.])

        (0|[1-9][0-9]*)

        (?![\w\.])

      </match>

    </context>

    <context id="boolean" style-ref="boolean">

      <match extended="true">

        (?<![\w\.])

        (true|false)

        (?![\w\.])

      </match>

    </context>

    <context id="keywords" style-ref="keyword">

      <keyword>break</keyword>

      <keyword>case</keyword>

      <keyword>const</keyword>

      <keyword>continue</keyword>

      <keyword>default</keyword>

      <keyword>defer</keyword>

      <keyword>else</keyword>

      <keyword>fallthrough</keyword>

      <keyword>for</keyword>

      <keyword>func</keyword>

      <keyword>go</keyword>

      <keyword>goto</keyword>

      <keyword>if</keyword>

      <keyword>import</keyword>

      <keyword>interface</keyword>

      <keyword>package</keyword>

      <keyword>range</keyword>

      <keyword>return</keyword>

      <keyword>select</keyword>

      <keyword>struct</keyword>

      <keyword>switch</keyword>

      <keyword>type</keyword>

      <keyword>var</keyword>

    </context>

    <context id="types" style-ref="type">

      <keyword>bool</keyword>

      <keyword>byte</keyword>

      <keyword>chan</keyword>

      <keyword>complex64</keyword>

      <keyword>complex128</keyword>

      <keyword>error</keyword>

      <keyword>float32</keyword>

      <keyword>float64</keyword>

      <keyword>func</keyword>

      <keyword>int</keyword>

      <keyword>int8</keyword>

      <keyword>int16</keyword>

      <keyword>int32</keyword>

      <keyword>int64</keyword>

      <keyword>map</keyword>

      <keyword>rune</keyword>

      <keyword>string</keyword>

      <keyword>uint</keyword>

      <keyword>uint8</keyword>

      <keyword>uint16</keyword>

      <keyword>uint32</keyword>

      <keyword>uint64</keyword>

      <keyword>uintptr</keyword>

    </context>

    <context id="builtin-constant" style-ref="builtin-constant">

      <keyword>iota</keyword>

      <keyword>nil</keyword>

    </context>

    <context id="builtin-function" style-ref="builtin-function">

      <keyword>append</keyword>

      <keyword>cap</keyword>

      <keyword>close</keyword>

      <keyword>complex</keyword>

      <keyword>copy</keyword>

      <keyword>delete</keyword>

      <keyword>imag</keyword>

      <keyword>len</keyword>

      <keyword>make</keyword>

      <keyword>new</keyword>

      <keyword>panic</keyword>

      <keyword>real</keyword>

      <keyword>recover</keyword>

    </context>

    <context id="go" class="no-spell-check">

      <include>

        <context ref="comment"/>

        <context ref="comment-multiline"/>

        <context ref="close-comment-outside-comment"/>

        <context ref="quoted-string"/>

        <context ref="backquote-string"/>

        <context ref="char"/>

        <context ref="float"/>

        <context ref="hexadecimal"/>

        <context ref="invalid-hexadecimal"/>

        <context ref="octal"/>

        <context ref="invalid-octal"/>

        <context ref="decimal"/>

        <context ref="boolean"/>

        <context ref="keywords"/>

        <context ref="types"/>

        <context ref="builtin-constant"/>

        <context ref="builtin-function"/>

      </include>

    </context>

  </definitions>

</language>