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- Prism.languages.elm = {
- comment: /--.*|{-[\s\S]*?-}/,
- char: {
- pattern: /'(?:[^\\'\r\n]|\\(?:[abfnrtv\\']|\d+|x[0-9a-fA-F]+))'/,
- greedy: true
- },
- string: [
- {
- // Multiline strings are wrapped in triple ". Quotes may appear unescaped.
- pattern: /"""[\s\S]*?"""/,
- greedy: true
- },
- {
- pattern: /"(?:[^\\"\r\n]|\\(?:[abfnrtv\\"]|\d+|x[0-9a-fA-F]+))*"/,
- greedy: true
- }
- ],
- import_statement: {
- // The imported or hidden names are not included in this import
- // statement. This is because we want to highlight those exactly like
- // we do for the names in the program.
- pattern: /^\s*import\s+[A-Z]\w*(?:\.[A-Z]\w*)*(?:\s+as\s+(?:[A-Z]\w*)(?:\.[A-Z]\w*)*)?(?:\s+exposing\s+)?/m,
- inside: {
- keyword: /\b(?:import|as|exposing)\b/
- }
- },
- keyword: /\b(?:alias|as|case|else|exposing|if|in|infixl|infixr|let|module|of|then|type)\b/,
- // These are builtin variables only. Constructors are highlighted later as a constant.
- builtin: /\b(?:abs|acos|always|asin|atan|atan2|ceiling|clamp|compare|cos|curry|degrees|e|flip|floor|fromPolar|identity|isInfinite|isNaN|logBase|max|min|negate|never|not|pi|radians|rem|round|sin|sqrt|tan|toFloat|toPolar|toString|truncate|turns|uncurry|xor)\b/,
- // decimal integers and floating point numbers | hexadecimal integers
- number: /\b(?:\d+(?:\.\d+)?(?:e[+-]?\d+)?|0x[0-9a-f]+)\b/i,
- // Most of this is needed because of the meaning of a single '.'.
- // If it stands alone freely, it is the function composition.
- // It may also be a separator between a module name and an identifier => no
- // operator. If it comes together with other special characters it is an
- // operator too.
- // Valid operator characters in 0.18: +-/*=.$<>:&|^?%#@~!
- // Ref: https://groups.google.com/forum/#!msg/elm-dev/0AHSnDdkSkQ/E0SVU70JEQAJ
- operator: /\s\.\s|[+\-/*=.$<>:&|^?%#@~!]{2,}|[+\-/*=$<>:&|^?%#@~!]/,
- // In Elm, nearly everything is a variable, do not highlight these.
- hvariable: /\b(?:[A-Z]\w*\.)*[a-z]\w*\b/,
- constant: /\b(?:[A-Z]\w*\.)*[A-Z]\w*\b/,
- punctuation: /[{}[\]|(),.:]/
- };
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