82da9bd4f2
The update to the grammar itself covers the case where the document is a single expression without a trailing newline such as "min(A, B)". A small change to the parser now parses these expressions correctly which improves the display of the function head in the signature help popup. The update to the queries marks 'andalso', 'orelse', 'not', etc. as `@keyword.operator` which improves the look - it looks odd to see operators that are words highlighted the same as tokens like '->' or '=:='.
124 lines
2.6 KiB
Scheme
124 lines
2.6 KiB
Scheme
; Attributes
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; module declaration
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(attribute
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name: (atom) @keyword
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(arguments (atom) @module)
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(#eq? @keyword "module"))
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(attribute
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name: (atom) @keyword
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(arguments
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.
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(atom) @module)
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(#eq? @keyword "import"))
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(attribute
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name: (atom) @keyword
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(arguments
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.
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(atom) @type
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[
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(tuple (atom) @variable.other.member)
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(tuple
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(binary_operator
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left: (atom) @variable.other.member
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operator: ["=" "::"]))
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(tuple
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(binary_operator
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left:
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(binary_operator
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left: (atom) @variable.other.member
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operator: "=")
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operator: "::"))
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])
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(#eq? @keyword "record"))
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(attribute
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name: (atom) @keyword
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(arguments
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.
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[
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(atom) @keyword.directive
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(variable) @keyword.directive
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(call
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function:
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[(variable) (atom)] @keyword.directive)
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])
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(#eq? @keyword "define"))
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(attribute
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name: (atom) @keyword
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(arguments
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(_) @keyword.directive)
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(#match? @keyword "ifn?def"))
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(attribute
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name: (atom) @keyword
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module: (atom) @module
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(#eq? @keyword "(spec|callback)"))
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; Functions
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(function name: (atom) @function)
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(call module: (atom) @module)
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(call function: (atom) @function)
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(stab_clause name: (atom) @function)
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(function_capture module: (atom) @module)
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(function_capture function: (atom) @function)
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; Records
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(record_content
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(binary_operator
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left: (atom) @variable.other.member
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operator: "="))
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(record field: (atom) @variable.other.member)
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(record name: (atom) @type)
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; Keywords
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(attribute name: (atom) @keyword)
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["case" "fun" "if" "of" "when" "end" "receive" "try" "catch" "after" "begin" "maybe"] @keyword
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; Operators
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(binary_operator
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left: (atom) @function
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operator: "/"
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right: (integer) @constant.numeric.integer)
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((binary_operator operator: _ @keyword.operator)
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(#match? @keyword.operator "^\\w+$"))
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((unary_operator operator: _ @keyword.operator)
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(#match? @keyword.operator "^\\w+$"))
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(binary_operator operator: _ @operator)
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(unary_operator operator: _ @operator)
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["/" ":" "#" "->"] @operator
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(tripledot) @comment.discard
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(comment) @comment
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; Macros
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(macro
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"?"+ @keyword.directive
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name: (_) @keyword.directive)
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; Comments
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((variable) @comment.discard
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(#match? @comment.discard "^_"))
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; Basic types
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(variable) @variable
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(atom) @string.special.symbol
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(string) @string
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(character) @constant.character
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(integer) @constant.numeric.integer
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(float) @constant.numeric.float
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; Punctuation
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["," "." "-" ";"] @punctuation.delimiter
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["(" ")" "{" "}" "[" "]" "<<" ">>"] @punctuation.bracket
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; (ERROR) @error
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