mirror of https://github.com/cheat/cheat.git
128 lines
3.7 KiB
XML
128 lines
3.7 KiB
XML
<lexer>
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<config>
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<name>R</name>
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<alias>splus</alias>
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<alias>s</alias>
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<alias>r</alias>
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<filename>*.S</filename>
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<filename>*.R</filename>
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<filename>*.r</filename>
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<filename>.Rhistory</filename>
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<filename>.Rprofile</filename>
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<filename>.Renviron</filename>
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<mime_type>text/S-plus</mime_type>
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<mime_type>text/S</mime_type>
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<mime_type>text/x-r-source</mime_type>
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<mime_type>text/x-r</mime_type>
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<mime_type>text/x-R</mime_type>
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<mime_type>text/x-r-history</mime_type>
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<mime_type>text/x-r-profile</mime_type>
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<priority>0.1</priority> <!-- higher priority than Rebol -->
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</config>
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<rules>
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<state name="numbers">
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<rule pattern="0[xX][a-fA-F0-9]+([pP][0-9]+)?[Li]?">
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<token type="LiteralNumberHex"/>
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</rule>
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<rule pattern="[+-]?([0-9]+(\.[0-9]+)?|\.[0-9]+|\.)([eE][+-]?[0-9]+)?[Li]?">
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<token type="LiteralNumber"/>
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</rule>
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</state>
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<state name="operators">
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<rule pattern="<<?-|->>?|-|==|<=|>=|<|>|&&?|!=|\|\|?|\?">
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<token type="Operator"/>
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</rule>
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<rule pattern="\*|\+|\^|/|!|%[^%]*%|=|~|\$|@|:{1,3}">
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<token type="Operator"/>
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</rule>
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</state>
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<state name="root">
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<rule>
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<include state="keywords"/>
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</rule>
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<rule pattern="((?:`[^`\\]*(?:\\.[^`\\]*)*`)|(?:(?:[a-zA-z]|[_.][^0-9])[\w_.]*))\s*(?=\()">
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<token type="NameFunction"/>
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</rule>
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<rule>
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<include state="statements"/>
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</rule>
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<rule pattern="\{|\}">
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<token type="Punctuation"/>
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</rule>
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<rule pattern=".">
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<token type="Text"/>
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</rule>
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</state>
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<state name="valid_name">
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<rule pattern="(?:`[^`\\]*(?:\\.[^`\\]*)*`)|(?:(?:[a-zA-z]|[_.][^0-9])[\w_.]*)">
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<token type="Name"/>
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</rule>
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</state>
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<state name="keywords">
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<rule pattern="(if|else|for|while|repeat|in|next|break|return|switch|function)(?![\w.])">
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<token type="KeywordReserved"/>
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</rule>
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</state>
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<state name="builtin_symbols">
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<rule pattern="(NULL|NA(_(integer|real|complex|character)_)?|letters|LETTERS|Inf|TRUE|FALSE|NaN|pi|\.\.(\.|[0-9]+))(?![\w.])">
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<token type="KeywordConstant"/>
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</rule>
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<rule pattern="(T|F)\b">
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<token type="NameBuiltinPseudo"/>
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</rule>
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</state>
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<state name="string_squote">
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<rule pattern="([^\'\\]|\\.)*\'">
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<token type="LiteralString"/>
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<pop depth="1"/>
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</rule>
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</state>
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<state name="comments">
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<rule pattern="#.*$">
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<token type="CommentSingle"/>
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</rule>
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</state>
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<state name="punctuation">
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<rule pattern="\[{1,2}|\]{1,2}|\(|\)|;|,">
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<token type="Punctuation"/>
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</rule>
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</state>
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<state name="statements">
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<rule>
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<include state="comments"/>
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</rule>
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<rule pattern="\s+">
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<token type="Text"/>
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</rule>
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<rule pattern="\'">
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<token type="LiteralString"/>
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<push state="string_squote"/>
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</rule>
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<rule pattern="\"">
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<token type="LiteralString"/>
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<push state="string_dquote"/>
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</rule>
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<rule>
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<include state="builtin_symbols"/>
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</rule>
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<rule>
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<include state="valid_name"/>
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</rule>
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<rule>
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<include state="numbers"/>
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</rule>
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<rule>
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<include state="punctuation"/>
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</rule>
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<rule>
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<include state="operators"/>
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</rule>
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</state>
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<state name="string_dquote">
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<rule pattern="([^"\\]|\\.)*"">
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<token type="LiteralString"/>
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<pop depth="1"/>
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</rule>
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</state>
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</rules>
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</lexer> |