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<?xml version="1.0" encoding="UTF-8"?>
<!--
====================================================================
MATLAB syntax highlighting file for the KDE editors Kate and Kwrite
====================================================================
works (at least) for MATLAB versions 5.3, 6.0, 6.1, 6.5, 6.5sp1
works with Kate 2.2 and with Kwrite 4.2 (KDE 3.2)
This file works only for syntactically correct MATLAB code. For incorrect
code, the behaviour is undefined. One exception is made: Incomplete strings
with missing closing delimiter are highlighted separately, just as in the
native editor of MATLAB does.
Highlighting errors never propagate across line breaks.
Most of this XML file is straight and simple. Only the character ' (')
needs nontrivial treatment, since it is both a postfix operator indicating
complex conjugate transpose (adjoint) and a string delimiter. It is an
adjoint operator in the following positions:
1) immediately after an identifier (variable, function, but not keyword)
2) immediately after a number literal
3) immediately after the closing parenthesis ), ] and }
4) immediately after a simple transpose operator .'
5) immediately after another adjoint operator '
In all other cases it is a string delimiter.
This is implemented using look-ahead regexps. If one of the entities in the
above cases 1-4 (identifier, number literal, ...) matches and look-ahead
shows that it is followed by a ', the entity is highlighted and control is
passed to the special context _adjoint, whose sole purpose is to correctly
highlight a series of ' (thus covering case 5 as well). _adjoint immediately
returns to the default context _normal.
MATLAB number literals are different from those in C and similar languages:
a) All numbers literals are doubles. There is no distinction between float and int.
b) There is no notation of hex or oct base integers.
c) The symbols i or j may be attached to a number to indicate a multiplication
with the imaginary unit.
MATLAB identifiers have to start with a letter followed by any number of letters,
digits and underscores.
There is a small number of reserved keywords, which cannot be the target of an
assignment. All other identifiers (including all of the many 100s of MATLAB commands)
can be redefined. Consequently, only the reserved keywords are highlighted.
At the end of the XML file, there is MATLAB testing code for developers.
Change log:
19-Nov-03 Created from scratch.
08-Mar-04 Small corrections. Added default colors of MATLAB editor.
25-Jan-09 Addedd basic support for OOP (Matlab 2008) (by Leonardo Finetti)
Author: Stefan Stoll, Swiss Federal Institute of Technology, Zurich
Co-author: Leonardo Finetti, www.finex.org
-->
<!DOCTYPE language>
<!-- low priority to let Objective-C win for .m files per default -->
<language name="Matlab" version="8" kateversion="5.0" section="Scientific" extensions="*.m;*.M" priority="-9" mimetype="text/mfile" casesensitive="1">
<highlighting>
<!-- Reserved keywords in MATLAB -->
<list name="KeywordsList">
<item>break</item>
<item>case</item>
<item>catch</item>
<item>classdef</item>
<item>continue</item>
<item>else</item>
<item>elseif</item>
<item>end</item>
<item>for</item>
<item>function</item>
<item>global</item>
<item>if</item>
<item>otherwise</item>
<item>parfor</item>
<item>persistent</item>
<item>return</item>
<item>spmd</item>
<item>switch</item>
<item>try</item>
<item>while</item>
<item>methods</item>
<item>properties</item>
<item>events</item>
</list>
<contexts>
<context name="_normal" attribute="Normal Text" lineEndContext="#stay">
<!-- Look-ahead for adjoint ' after variable, number literal, closing braces and .' -->
<RegExpr context="_adjoint" attribute="Variable" String="[a-zA-Z]\w*(?=')" />
<RegExpr context="_adjoint" attribute="Number" String="(\d+(\.\d+)?|\.\d+)([eE][+-]?\d+)?[ij]?(?=')" />
<RegExpr context="_adjoint" attribute="Delimiter" String="[\)\]}](?=')" />
<RegExpr context="_adjoint" attribute="Operator" String="\.'(?=')" />
<!-- If ' is not the adjoint operator, it starts a string or an unterminated string -->
<RegExpr context="#stay" attribute="CharVector" String="'[^']*(''[^']*)*'(?=[^']|$)" />
<RegExpr context="#stay" attribute="Incomplete CharVector" String="'[^']*(''[^']*)*" />
<RegExpr context="#stay" attribute="String" String=""[^"]*(""[^"]*)*"(?=[^"]|$)" />
<RegExpr context="#stay" attribute="Incomplete String" String=""[^"]*(""[^"]*)*" />
<!-- Handling of keywords, comments, system commands, identifiers, numbers and braces -->
<keyword context="#stay" attribute="Keyword" String="KeywordsList" />
<DetectChar context="Comment" attribute="Comment" char="%" />
<DetectChar context="System" attribute="System" char="!" />
<RegExpr context="#stay" attribute="Variable" String="[a-zA-Z]\w*" />
<RegExpr context="#stay" attribute="Number" String="(\d+(\.\d+)?|\.\d+)([eE][+-]?\d+)?[ij]?" />
<AnyChar context="#stay" attribute="Delimiter" String="()[]{}"/>
<!-- Three and two-character operators -->
<StringDetect context="#stay" attribute="Operator" String="..."/>
<Detect2Chars context="#stay" attribute="Operator" char="=" char1="="/>
<Detect2Chars context="#stay" attribute="Operator" char="~" char1="="/>
<Detect2Chars context="#stay" attribute="Operator" char="<" char1="="/>
<Detect2Chars context="#stay" attribute="Operator" char=">" char1="="/>
<Detect2Chars context="#stay" attribute="Operator" char="&" char1="&"/>
<Detect2Chars context="#stay" attribute="Operator" char="|" char1="|"/>
<Detect2Chars context="#stay" attribute="Operator" char="." char1="*"/>
<Detect2Chars context="#stay" attribute="Operator" char="." char1="^"/>
<Detect2Chars context="#stay" attribute="Operator" char="." char1="/"/>
<Detect2Chars context="#stay" attribute="Operator" char="." char1="'"/>
<!-- Single-character operators -->
<AnyChar context="#stay" attribute="Operator" String="*+-/\&|<>~^=,;:@"/>
</context>
<!-- Context entered after encountering an ' adjoint operator -->
<context name="_adjoint" attribute="Operator" lineEndContext="#pop">
<RegExpr context="#pop" attribute="Operator" String="'+" />
</context>
<context name="Comment" attribute="Comment" lineEndContext="#pop">
<DetectSpaces />
<IncludeRules context="##Comments"/>
</context>
<context name="System" attribute="System" lineEndContext="#pop"/>
</contexts>
<itemDatas>
<itemData name="Normal Text" defStyleNum="dsNormal" />
<itemData name="Variable" defStyleNum="dsVariable" />
<itemData name="Operator" defStyleNum="dsOperator"/>
<itemData name="Number" defStyleNum="dsFloat" />
<itemData name="Delimiter" defStyleNum="dsNormal" />
<itemData name="CharVector" defStyleNum="dsSpecialString" />
<itemData name="String" defStyleNum="dsString" />
<itemData name="System" defStyleNum="dsBaseN" />
<itemData name="Incomplete CharVector" defStyleNum="dsError" />
<itemData name="Incomplete String" defStyleNum="dsError" />
<itemData name="Keyword" defStyleNum="dsKeyword" />
<itemData name="Comment" defStyleNum="dsComment" />
</itemDatas>
</highlighting>
<general>
<comments>
<comment name="singleLine" start="%" />
</comments>
<keywords casesensitive="1" weakDeliminator=""/>
</general>
</language>
<!-- kate: replace-tabs on; tab-width 2; indent-width 2; -->
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