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add beef syntax and tests #995

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Aug 27, 2024
Merged

add beef syntax and tests #995

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120 changes: 120 additions & 0 deletions lexers/embedded/beef.xml
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<lexer>
<config>
<name>Beef</name>
<alias>beef</alias>
<filename>*.bf</filename>
<mime_type>text/x-beef</mime_type>
<dot_all>true</dot_all>
<ensure_nl>true</ensure_nl>
</config>
<rules>
<state name="root">
<rule pattern="^\s*\[.*?\]">
<token type="NameAttribute"/>
</rule>
<rule pattern="[^\S\n]+">
<token type="Text"/>
</rule>
<rule pattern="\\\n">
<token type="Text"/>
</rule>
<rule pattern="///[^\n\r]*">
<token type="CommentSpecial"/>
</rule>
<rule pattern="//[^\n\r]*">
<token type="CommentSingle"/>
</rule>
<rule pattern="/[*].*?[*]/">
<token type="CommentMultiline"/>
</rule>
<rule pattern="\n">
<token type="Text"/>
</rule>
<rule pattern="[~!%^&amp;*()+=|\[\]:;,.&lt;&gt;/?-]">
<token type="Punctuation"/>
</rule>
<rule pattern="[{}]">
<token type="Punctuation"/>
</rule>
<rule pattern="@&#34;(&#34;&#34;|[^&#34;])*&#34;">
<token type="LiteralString"/>
</rule>
<rule pattern="\$@?&#34;(&#34;&#34;|[^&#34;])*&#34;">
<token type="LiteralString"/>
</rule>
<rule pattern="&#34;(\\\\|\\&#34;|[^&#34;\n])*[&#34;\n]">
<token type="LiteralString"/>
</rule>
<rule pattern="&#39;\\.&#39;|&#39;[^\\]&#39;">
<token type="LiteralStringChar"/>
</rule>
<rule pattern="0[xX][0-9a-fA-F]+[Ll]?|\d[_\d]*(\.\d*)?([eE][+-]?\d+)?[flFLdD]?">
<token type="LiteralNumber"/>
</rule>
<rule pattern="#[ \t]*(if|endif|else|elif|define|undef|line|error|warning|region|endregion|pragma|nullable)\b">
<token type="CommentPreproc"/>
</rule>
<rule pattern="\b(extern)(\s+)(alias)\b">
<bygroups>
<token type="Keyword"/>
<token type="Text"/>
<token type="Keyword"/>
</bygroups>
</rule>
<rule pattern="(as|await|base|break|by|case|catch|checked|continue|default|delegate|else|event|finally|fixed|for|repeat|goto|if|in|init|is|let|lock|new|scope|on|out|params|readonly|ref|return|sizeof|stackalloc|switch|this|throw|try|typeof|unchecked|virtual|void|while|get|set|new|yield|add|remove|value|alias|ascending|descending|from|group|into|orderby|select|thenby|where|join|equals)\b">
<token type="Keyword"/>
</rule>
<rule pattern="(global)(::)">
<bygroups>
<token type="Keyword"/>
<token type="Punctuation"/>
</bygroups>
</rule>
<rule pattern="(abstract|async|const|enum|explicit|extern|implicit|internal|operator|override|partial|extension|private|protected|public|static|sealed|unsafe|volatile)\b">
<token type="KeywordDeclaration"/>
</rule>
<rule pattern="(bool|byte|char8|char16|char32|decimal|double|float|int|int8|int16|int32|int64|long|object|sbyte|short|string|uint|uint8|uint16|uint32|uint64|uint|let|var)\b\??">
<token type="KeywordType"/>
</rule>
<rule pattern="(true|false|null)\b">
<token type="KeywordConstant"/>
</rule>
<rule pattern="(class|struct|record|interface)(\s+)">
<bygroups>
<token type="Keyword"/>
<token type="Text"/>
</bygroups>
<push state="class"/>
</rule>
<rule pattern="(namespace|using)(\s+)">
<bygroups>
<token type="Keyword"/>
<token type="Text"/>
</bygroups>
<push state="namespace"/>
</rule>
<rule pattern="@?[_a-zA-Z]\w*">
<token type="Name"/>
</rule>
</state>
<state name="class">
<rule pattern="@?[_a-zA-Z]\w*">
<token type="NameClass"/>
<pop depth="1"/>
</rule>
<rule>
<pop depth="1"/>
</rule>
</state>
<state name="namespace">
<rule pattern="(?=\()">
<token type="Text"/>
<pop depth="1"/>
</rule>
<rule pattern="(@?[_a-zA-Z]\w*|\.)+">
<token type="NameNamespace"/>
<pop depth="1"/>
</rule>
</state>
</rules>
</lexer>
22 changes: 22 additions & 0 deletions lexers/testdata/beef.actual
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using System;

class Program
{
public static void Main()
{
Console.WriteLine("Hello, World!");
}

// Try! propagates file and parsing errors down the call stack
static Result<void> Parse(StringView filePath, List<float> outValues)
{
var fs = scope FileStream();
Try!(fs.Open(filePath));
for (var lineResult in scope StreamReader(fs).Lines)
{
for (let elem in Try!(lineResult).Split(','))
outValues.Add(Try!(float.Parse(elem)));
}
return .Ok;
}
}
141 changes: 141 additions & 0 deletions lexers/testdata/beef.expected
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[
{"type":"Keyword","value":"using"},
{"type":"Text","value":" "},
{"type":"NameNamespace","value":"System"},
{"type":"Punctuation","value":";"},
{"type":"Text","value":"\n\n"},
{"type":"Keyword","value":"class"},
{"type":"Text","value":" "},
{"type":"NameClass","value":"Program"},
{"type":"Text","value":"\n"},
{"type":"Punctuation","value":"{"},
{"type":"Text","value":"\n "},
{"type":"KeywordDeclaration","value":"public"},
{"type":"Text","value":" "},
{"type":"KeywordDeclaration","value":"static"},
{"type":"Text","value":" "},
{"type":"Keyword","value":"void"},
{"type":"Text","value":" "},
{"type":"Name","value":"Main"},
{"type":"Punctuation","value":"()"},
{"type":"Text","value":"\n "},
{"type":"Punctuation","value":"{"},
{"type":"Text","value":"\n "},
{"type":"Name","value":"Console"},
{"type":"Punctuation","value":"."},
{"type":"Name","value":"WriteLine"},
{"type":"Punctuation","value":"("},
{"type":"LiteralString","value":"\"Hello, World!\""},
{"type":"Punctuation","value":");"},
{"type":"Text","value":"\n "},
{"type":"Punctuation","value":"}"},
{"type":"Text","value":"\n\n "},
{"type":"CommentSingle","value":"// Try! propagates file and parsing errors down the call stack"},
{"type":"Text","value":"\n "},
{"type":"KeywordDeclaration","value":"static"},
{"type":"Text","value":" "},
{"type":"Name","value":"Result"},
{"type":"Punctuation","value":"\u003c"},
{"type":"Keyword","value":"void"},
{"type":"Punctuation","value":"\u003e"},
{"type":"Text","value":" "},
{"type":"Name","value":"Parse"},
{"type":"Punctuation","value":"("},
{"type":"Name","value":"StringView"},
{"type":"Text","value":" "},
{"type":"Name","value":"filePath"},
{"type":"Punctuation","value":","},
{"type":"Text","value":" "},
{"type":"Name","value":"List"},
{"type":"Punctuation","value":"\u003c"},
{"type":"KeywordType","value":"float"},
{"type":"Punctuation","value":"\u003e"},
{"type":"Text","value":" "},
{"type":"Name","value":"outValues"},
{"type":"Punctuation","value":")"},
{"type":"Text","value":"\n "},
{"type":"Punctuation","value":"{"},
{"type":"Text","value":"\n "},
{"type":"KeywordType","value":"var"},
{"type":"Text","value":" "},
{"type":"Name","value":"fs"},
{"type":"Text","value":" "},
{"type":"Punctuation","value":"="},
{"type":"Text","value":" "},
{"type":"Keyword","value":"scope"},
{"type":"Text","value":" "},
{"type":"Name","value":"FileStream"},
{"type":"Punctuation","value":"();"},
{"type":"Text","value":"\n "},
{"type":"Name","value":"Try"},
{"type":"Punctuation","value":"!("},
{"type":"Name","value":"fs"},
{"type":"Punctuation","value":"."},
{"type":"Name","value":"Open"},
{"type":"Punctuation","value":"("},
{"type":"Name","value":"filePath"},
{"type":"Punctuation","value":"));"},
{"type":"Text","value":"\n "},
{"type":"Keyword","value":"for"},
{"type":"Text","value":" "},
{"type":"Punctuation","value":"("},
{"type":"KeywordType","value":"var"},
{"type":"Text","value":" "},
{"type":"Name","value":"lineResult"},
{"type":"Text","value":" "},
{"type":"Keyword","value":"in"},
{"type":"Text","value":" "},
{"type":"Keyword","value":"scope"},
{"type":"Text","value":" "},
{"type":"Name","value":"StreamReader"},
{"type":"Punctuation","value":"("},
{"type":"Name","value":"fs"},
{"type":"Punctuation","value":")."},
{"type":"Name","value":"Lines"},
{"type":"Punctuation","value":")"},
{"type":"Text","value":"\n "},
{"type":"Punctuation","value":"{"},
{"type":"Text","value":"\n "},
{"type":"Keyword","value":"for"},
{"type":"Text","value":" "},
{"type":"Punctuation","value":"("},
{"type":"Keyword","value":"let"},
{"type":"Text","value":" "},
{"type":"Name","value":"elem"},
{"type":"Text","value":" "},
{"type":"Keyword","value":"in"},
{"type":"Text","value":" "},
{"type":"Name","value":"Try"},
{"type":"Punctuation","value":"!("},
{"type":"Name","value":"lineResult"},
{"type":"Punctuation","value":")."},
{"type":"Name","value":"Split"},
{"type":"Punctuation","value":"("},
{"type":"LiteralStringChar","value":"','"},
{"type":"Punctuation","value":"))"},
{"type":"Text","value":"\n "},
{"type":"Name","value":"outValues"},
{"type":"Punctuation","value":"."},
{"type":"Name","value":"Add"},
{"type":"Punctuation","value":"("},
{"type":"Name","value":"Try"},
{"type":"Punctuation","value":"!("},
{"type":"KeywordType","value":"float"},
{"type":"Punctuation","value":"."},
{"type":"Name","value":"Parse"},
{"type":"Punctuation","value":"("},
{"type":"Name","value":"elem"},
{"type":"Punctuation","value":")));"},
{"type":"Text","value":"\n "},
{"type":"Punctuation","value":"}"},
{"type":"Text","value":"\n "},
{"type":"Keyword","value":"return"},
{"type":"Text","value":" "},
{"type":"Punctuation","value":"."},
{"type":"Name","value":"Ok"},
{"type":"Punctuation","value":";"},
{"type":"Text","value":"\n "},
{"type":"Punctuation","value":"}"},
{"type":"Text","value":"\n"},
{"type":"Punctuation","value":"}"}
]