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Pi-Cla
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Add Gleam syntax highlighting (#959)
Resolves #958
1 parent 6b7ffe1 commit 9347b55

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3 files changed

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‎lexers/embedded/gleam.xml‎

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<lexer>
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<config>
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<name>Gleam</name>
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<alias>gleam></alias>
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<filename>*.gleam</filename>
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<mime_type>text/x-gleam</mime_type>
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</config>
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<rules>
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<state name="root">
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<rule pattern="\s+">
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<token type="TextWhitespace"/>
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</rule>
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<rule pattern="///(.*?)\n">
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<token type="LiteralStringDoc"/>
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</rule>
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<rule pattern="//(.*?)\n">
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<token type="CommentSingle"/>
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</rule>
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<rule pattern="(as|assert|case|opaque|panic|pub|todo)\b">
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<token type="Keyword"/>
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</rule>
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<rule pattern="(import|use)\b">
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<token type="KeywordNamespace"/>
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</rule>
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<rule pattern="(auto|const|delegate|derive|echo|else|if|implement|macro|test)\b">
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<token type="KeywordReserved"/>
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</rule>
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<rule pattern="(let)\b">
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<token type="KeywordDeclaration"/>
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</rule>
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<rule pattern="(fn)\b">
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<token type="Keyword"/>
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</rule>
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<rule pattern="(type)\b">
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<token type="Keyword"/>
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<push state="typename"/>
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</rule>
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<rule pattern="(True|False)\b">
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<token type="KeywordConstant"/>
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</rule>
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<rule pattern="0[bB][01](_?[01])*">
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<token type="LiteralNumberBin"/>
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</rule>
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<rule pattern="0[oO][0-7](_?[0-7])*">
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<token type="LiteralNumberOct"/>
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</rule>
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<rule pattern="0[xX][\da-fA-F](_?[\dA-Fa-f])*">
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<token type="LiteralNumberHex"/>
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</rule>
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<rule pattern="\d(_?\d)*\.\d(_?\d)*([eE][-+]?\d(_?\d)*)?">
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<token type="LiteralNumberFloat"/>
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</rule>
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<rule pattern="\d(_?\d)*">
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<token type="LiteralNumberInteger"/>
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</rule>
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<rule pattern="&#34;">
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<token type="LiteralString"/>
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<push state="string"/>
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</rule>
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<rule pattern="@([a-z_]\w*[!?]?)">
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<token type="NameAttribute"/>
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</rule>
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<rule pattern="[{}()\[\],]|[#(]|\.\.|&lt;&gt;|&lt;&lt;|&gt;&gt;">
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<token type="Punctuation"/>
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</rule>
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<rule pattern="[+\-*/%!=&lt;&gt;&amp;|.]|&lt;-">
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<token type="Operator"/>
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</rule>
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<rule pattern=":|-&gt;">
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<token type="Operator"/>
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<push state="typename"/>
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</rule>
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<rule pattern="([a-z_][A-Za-z0-9_]*)(\()">
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<bygroups>
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<token type="NameFunction"/>
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<token type="Punctuation"/>
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</bygroups>
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</rule>
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<rule pattern="([A-Z][A-Za-z0-9_]*)(\()">
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<bygroups>
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<token type="NameClass"/>
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<token type="Punctuation"/>
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</bygroups>
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</rule>
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<rule pattern="([a-z_]\w*[!?]?)">
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<token type="Name"/>
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</rule>
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</state>
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<state name="typename">
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<rule pattern="\s+">
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<token type="TextWhitespace"/>
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</rule>
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<rule pattern="[A-Z][A-Za-z0-9_]*">
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<token type="NameClass"/>
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<pop depth="1"/>
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</rule>
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<rule>
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<pop depth="1"/>
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</rule>
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</state>
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<state name="string">
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<rule pattern="&#34;">
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<token type="LiteralString"/>
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<pop depth="1"/>
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</rule>
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<rule pattern="\\[&#34;\\fnrt]|\\u\{[\da-fA-F]{1,6}\}">
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<token type="LiteralStringEscape"/>
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</rule>
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<rule pattern="[^\\&#34;]+">
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<token type="LiteralString"/>
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</rule>
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<rule pattern="\\">
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<token type="LiteralString"/>
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</rule>
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</state>
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</rules>
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</lexer>

‎lexers/testdata/gleam.actual‎

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import gleam/io
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@external(erlang, "lists", "reverse")
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pub fn reverse_list(items: List(e)) -> List(e) {
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tail_recursive_reverse(items, [])
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}
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/// Tail recursion!
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fn tail_recursive_reverse(items: List(e), reversed: List(e)) -> List(e) {
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case items {
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[] -> reversed
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[first, ..rest] -> tail_recursive_reverse(rest, [first, ..reversed])
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}
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}
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pub fn main() {
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let _thing = <<"Hello, Joe!":utf8>>
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io.debug(reverse_list([1, 2, 3, 4, 5]))
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io.debug(reverse_list(["a", "b", "c", "d", "e"]))
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}

‎lexers/testdata/gleam.expected‎

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[
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{"type":"KeywordNamespace","value":"import"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"gleam"},
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{"type":"Operator","value":"/"},
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{"type":"Name","value":"io"},
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{"type":"TextWhitespace","value":"\n\n"},
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{"type":"NameAttribute","value":"@external"},
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{"type":"Punctuation","value":"("},
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{"type":"Name","value":"erlang"},
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{"type":"Punctuation","value":","},
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{"type":"TextWhitespace","value":" "},
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{"type":"LiteralString","value":"\"lists\""},
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{"type":"Punctuation","value":","},
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{"type":"TextWhitespace","value":" "},
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{"type":"LiteralString","value":"\"reverse\""},
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{"type":"Punctuation","value":")"},
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{"type":"TextWhitespace","value":"\n"},
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{"type":"Keyword","value":"pub"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Keyword","value":"fn"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameFunction","value":"reverse_list"},
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{"type":"Punctuation","value":"("},
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{"type":"Name","value":"items"},
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{"type":"Operator","value":":"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameClass","value":"List"},
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{"type":"Punctuation","value":"("},
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{"type":"Name","value":"e"},
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{"type":"Punctuation","value":"))"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Operator","value":"-\u003e"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameClass","value":"List"},
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{"type":"Punctuation","value":"("},
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{"type":"Name","value":"e"},
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{"type":"Punctuation","value":")"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"{"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"NameFunction","value":"tail_recursive_reverse"},
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{"type":"Punctuation","value":"("},
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{"type":"Name","value":"items"},
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{"type":"Punctuation","value":","},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"[])"},
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{"type":"TextWhitespace","value":"\n"},
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{"type":"Punctuation","value":"}"},
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{"type":"TextWhitespace","value":"\n\n"},
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{"type":"LiteralStringDoc","value":"/// Tail recursion!\n"},
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{"type":"Keyword","value":"fn"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameFunction","value":"tail_recursive_reverse"},
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{"type":"Punctuation","value":"("},
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{"type":"Name","value":"items"},
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{"type":"Operator","value":":"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameClass","value":"List"},
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{"type":"Punctuation","value":"("},
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{"type":"Name","value":"e"},
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{"type":"Punctuation","value":"),"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"reversed"},
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{"type":"Operator","value":":"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameClass","value":"List"},
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{"type":"Punctuation","value":"("},
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{"type":"Name","value":"e"},
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{"type":"Punctuation","value":"))"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Operator","value":"-\u003e"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameClass","value":"List"},
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{"type":"Punctuation","value":"("},
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{"type":"Name","value":"e"},
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{"type":"Punctuation","value":")"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"{"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"Keyword","value":"case"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"items"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"{"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"Punctuation","value":"[]"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Operator","value":"-\u003e"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"reversed"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"Punctuation","value":"["},
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{"type":"Name","value":"first"},
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{"type":"Punctuation","value":","},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":".."},
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{"type":"Name","value":"rest"},
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{"type":"Punctuation","value":"]"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Operator","value":"-\u003e"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameFunction","value":"tail_recursive_reverse"},
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{"type":"Punctuation","value":"("},
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{"type":"Name","value":"rest"},
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{"type":"Punctuation","value":","},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"["},
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{"type":"Name","value":"first"},
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{"type":"Punctuation","value":","},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":".."},
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{"type":"Name","value":"reversed"},
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{"type":"Punctuation","value":"])"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"Punctuation","value":"}"},
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{"type":"TextWhitespace","value":"\n"},
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{"type":"Punctuation","value":"}"},
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{"type":"TextWhitespace","value":"\n\n"},
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{"type":"Keyword","value":"pub"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Keyword","value":"fn"},
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{"type":"TextWhitespace","value":" "},
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{"type":"NameFunction","value":"main"},
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{"type":"Punctuation","value":"()"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"{"},
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{"type":"TextWhitespace","value":"\n\t"},
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{"type":"KeywordDeclaration","value":"let"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Name","value":"_thing"},
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{"type":"TextWhitespace","value":" "},
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{"type":"Operator","value":"="},
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{"type":"TextWhitespace","value":" "},
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{"type":"Punctuation","value":"\u003c\u003c"},
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{"type":"LiteralString","value":"\"Hello, Joe!\""},
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{"type":"Operator","value":":"},
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{"type":"Name","value":"utf8"},
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{"type":"Punctuation","value":"\u003e\u003e"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"Name","value":"io"},
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{"type":"Operator","value":"."},
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{"type":"NameFunction","value":"debug"},
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{"type":"Punctuation","value":"("},
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{"type":"NameFunction","value":"reverse_list"},
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{"type":"Punctuation","value":"(["},
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{"type":"LiteralNumberInteger","value":"1"},
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{"type":"Punctuation","value":","},
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{"type":"TextWhitespace","value":" "},
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{"type":"LiteralNumberInteger","value":"2"},
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{"type":"Punctuation","value":","},
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{"type":"TextWhitespace","value":" "},
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{"type":"LiteralNumberInteger","value":"3"},
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{"type":"Punctuation","value":","},
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{"type":"TextWhitespace","value":" "},
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{"type":"LiteralNumberInteger","value":"4"},
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{"type":"Punctuation","value":","},
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{"type":"TextWhitespace","value":" "},
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{"type":"LiteralNumberInteger","value":"5"},
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{"type":"Punctuation","value":"]))"},
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{"type":"TextWhitespace","value":"\n "},
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{"type":"Name","value":"io"},
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{"type":"Operator","value":"."},
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{"type":"NameFunction","value":"debug"},
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{"type":"Punctuation","value":"("},
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{"type":"NameFunction","value":"reverse_list"},
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{"type":"Punctuation","value":"(["},
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{"type":"LiteralString","value":"\"a\""},
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{"type":"Punctuation","value":","},
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{"type":"TextWhitespace","value":" "},
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{"type":"LiteralString","value":"\"b\""},
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{"type":"Punctuation","value":","},
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{"type":"TextWhitespace","value":" "},
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{"type":"LiteralString","value":"\"c\""},
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{"type":"Punctuation","value":","},
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{"type":"TextWhitespace","value":" "},
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{"type":"LiteralString","value":"\"d\""},
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{"type":"Punctuation","value":","},
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{"type":"TextWhitespace","value":" "},
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{"type":"LiteralString","value":"\"e\""},
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{"type":"Punctuation","value":"]))"},
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{"type":"TextWhitespace","value":"\n"},
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{"type":"Punctuation","value":"}"},
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{"type":"TextWhitespace","value":"\n"}
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]

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