ddcAdmin/node_modules/monaco-editor/esm/vs/basic-languages/elixir/elixir.js

/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
export var conf = {
    comments: {
        lineComment: '#'
    },
    brackets: [
        ['{', '}'],
        ['[', ']'],
        ['(', ')']
    ],
    surroundingPairs: [
        { open: '{', close: '}' },
        { open: '[', close: ']' },
        { open: '(', close: ')' },
        { open: "'", close: "'" },
        { open: '"', close: '"' }
    ],
    autoClosingPairs: [
        { open: "'", close: "'", notIn: ['string', 'comment'] },
        { open: '"', close: '"', notIn: ['comment'] },
        { open: '"""', close: '"""' },
        { open: '`', close: '`', notIn: ['string', 'comment'] },
        { open: '(', close: ')' },
        { open: '{', close: '}' },
        { open: '[', close: ']' },
        { open: '<<', close: '>>' }
    ],
    indentationRules: {
        increaseIndentPattern: /^\s*(after|else|catch|rescue|fn|[^#]*(do|<\-|\->|\{|\[|\=))\s*$/,
        decreaseIndentPattern: /^\s*((\}|\])\s*$|(after|else|catch|rescue|end)\b)/
    }
};
/**
 * A Monarch lexer for the Elixir language.
 *
 * References:
 *
 * * Monarch documentation - https://microsoft.github.io/monaco-editor/monarch.html
 * * Elixir lexer - https://github.com/elixir-makeup/makeup_elixir/blob/master/lib/makeup/lexers/elixir_lexer.ex
 * * TextMate lexer (elixir-tmbundle) - https://github.com/elixir-editors/elixir-tmbundle/blob/master/Syntaxes/Elixir.tmLanguage
 * * TextMate lexer (vscode-elixir-ls) - https://github.com/elixir-lsp/vscode-elixir-ls/blob/master/syntaxes/elixir.json
 */
export var language = {
    defaultToken: 'source',
    tokenPostfix: '.elixir',
    brackets: [
        { open: '[', close: ']', token: 'delimiter.square' },
        { open: '(', close: ')', token: 'delimiter.parenthesis' },
        { open: '{', close: '}', token: 'delimiter.curly' },
        { open: '<<', close: '>>', token: 'delimiter.angle.special' }
    ],
    // Below are lists/regexps to which we reference later.
    declarationKeywords: [
        'def',
        'defp',
        'defn',
        'defnp',
        'defguard',
        'defguardp',
        'defmacro',
        'defmacrop',
        'defdelegate',
        'defcallback',
        'defmacrocallback',
        'defmodule',
        'defprotocol',
        'defexception',
        'defimpl',
        'defstruct'
    ],
    operatorKeywords: ['and', 'in', 'not', 'or', 'when'],
    namespaceKeywords: ['alias', 'import', 'require', 'use'],
    otherKeywords: [
        'after',
        'case',
        'catch',
        'cond',
        'do',
        'else',
        'end',
        'fn',
        'for',
        'if',
        'quote',
        'raise',
        'receive',
        'rescue',
        'super',
        'throw',
        'try',
        'unless',
        'unquote_splicing',
        'unquote',
        'with'
    ],
    constants: ['true', 'false', 'nil'],
    nameBuiltin: ['__MODULE__', '__DIR__', '__ENV__', '__CALLER__', '__STACKTRACE__'],
    // Matches any of the operator names:
    // <<< >>> ||| &&& ^^^ ~~~ === !== ~>> <~> |~> <|> == != <= >= && || \\ <> ++ -- |> =~ -> <- ~> <~ :: .. = < > + - * / | . ^ & !
    operator: /-[->]?|!={0,2}|\*|\/|\\\\|&{1,3}|\.\.?|\^(?:\^\^)?|\+\+?|<(?:-|<<|=|>|\|>|~>?)?|=~|={1,3}|>(?:=|>>)?|\|~>|\|>|\|{1,3}|~>>?|~~~|::/,
    // See https://hexdocs.pm/elixir/syntax-reference.html#variables
    variableName: /[a-z_][a-zA-Z0-9_]*[?!]?/,
    // See https://hexdocs.pm/elixir/syntax-reference.html#atoms
    atomName: /[a-zA-Z_][a-zA-Z0-9_@]*[?!]?|@specialAtomName|@operator/,
    specialAtomName: /\.\.\.|<<>>|%\{\}|%|\{\}/,
    aliasPart: /[A-Z][a-zA-Z0-9_]*/,
    moduleName: /@aliasPart(?:\.@aliasPart)*/,
    // Sigil pairs are: """ """, ''' ''', " ", ' ', / /, | |, < >, { }, [ ], ( )
    sigilSymmetricDelimiter: /"""|'''|"|'|\/|\|/,
    sigilStartDelimiter: /@sigilSymmetricDelimiter|<|\{|\[|\(/,
    sigilEndDelimiter: /@sigilSymmetricDelimiter|>|\}|\]|\)/,
    decimal: /\d(?:_?\d)*/,
    hex: /[0-9a-fA-F](_?[0-9a-fA-F])*/,
    octal: /[0-7](_?[0-7])*/,
    binary: /[01](_?[01])*/,
    // See https://hexdocs.pm/elixir/master/String.html#module-escape-characters
    escape: /\\u[0-9a-fA-F]{4}|\\x[0-9a-fA-F]{2}|\\./,
    // The keys below correspond to tokenizer states.
    // We start from the root state and match against its rules
    // until we explicitly transition into another state.
    // The `include` simply brings in all operations from the given state
    // and is useful for improving readability.
    tokenizer: {
        root: [
            { include: '@whitespace' },
            { include: '@comments' },
            // Keywords start as either an identifier or a string,
            // but end with a : so it's important to match this first.
            { include: '@keywordsShorthand' },
            { include: '@numbers' },
            { include: '@identifiers' },
            { include: '@strings' },
            { include: '@atoms' },
            { include: '@sigils' },
            { include: '@attributes' },
            { include: '@symbols' }
        ],
        // Whitespace
        whitespace: [[/\s+/, 'white']],
        // Comments
        comments: [[/(#)(.*)/, ['comment.punctuation', 'comment']]],
        // Keyword list shorthand
        keywordsShorthand: [
            [/(@atomName)(:)/, ['constant', 'constant.punctuation']],
            // Use positive look-ahead to ensure the string is followed by :
            // and should be considered a keyword.
            [
                /"(?=([^"]|#\{.*?\}|\\")*":)/,
                { token: 'constant.delimiter', next: '@doubleQuotedStringKeyword' }
            ],
            [
                /'(?=([^']|#\{.*?\}|\\')*':)/,
                { token: 'constant.delimiter', next: '@singleQuotedStringKeyword' }
            ]
        ],
        doubleQuotedStringKeyword: [
            [/":/, { token: 'constant.delimiter', next: '@pop' }],
            { include: '@stringConstantContentInterpol' }
        ],
        singleQuotedStringKeyword: [
            [/':/, { token: 'constant.delimiter', next: '@pop' }],
            { include: '@stringConstantContentInterpol' }
        ],
        // Numbers
        numbers: [
            [/0b@binary/, 'number.binary'],
            [/0o@octal/, 'number.octal'],
            [/0x@hex/, 'number.hex'],
            [/@decimal\.@decimal([eE]-?@decimal)?/, 'number.float'],
            [/@decimal/, 'number']
        ],
        // Identifiers
        identifiers: [
            // Tokenize identifier name in function-like definitions.
            // Note: given `def a + b, do: nil`, `a` is not a function name,
            // so we use negative look-ahead to ensure there's no operator.
            [
                /\b(defp?|defnp?|defmacrop?|defguardp?|defdelegate)(\s+)(@variableName)(?!\s+@operator)/,
                [
                    'keyword.declaration',
                    'white',
                    {
                        cases: {
                            unquote: 'keyword',
                            '@default': 'function'
                        }
                    }
                ]
            ],
            // Tokenize function calls
            [
                // In-scope call - an identifier followed by ( or .(
                /(@variableName)(?=\s*\.?\s*\()/,
                {
                    cases: {
                        // Tokenize as keyword in cases like `if(..., do: ..., else: ...)`
                        '@declarationKeywords': 'keyword.declaration',
                        '@namespaceKeywords': 'keyword',
                        '@otherKeywords': 'keyword',
                        '@default': 'function.call'
                    }
                }
            ],
            [
                // Referencing function in a module
                /(@moduleName)(\s*)(\.)(\s*)(@variableName)/,
                ['type.identifier', 'white', 'operator', 'white', 'function.call']
            ],
            [
                // Referencing function in an Erlang module
                /(:)(@atomName)(\s*)(\.)(\s*)(@variableName)/,
                ['constant.punctuation', 'constant', 'white', 'operator', 'white', 'function.call']
            ],
            [
                // Piping into a function (tokenized separately as it may not have parentheses)
                /(\|>)(\s*)(@variableName)/,
                [
                    'operator',
                    'white',
                    {
                        cases: {
                            '@otherKeywords': 'keyword',
                            '@default': 'function.call'
                        }
                    }
                ]
            ],
            [
                // Function reference passed to another function
                /(&)(\s*)(@variableName)/,
                ['operator', 'white', 'function.call']
            ],
            // Language keywords, builtins, constants and variables
            [
                /@variableName/,
                {
                    cases: {
                        '@declarationKeywords': 'keyword.declaration',
                        '@operatorKeywords': 'keyword.operator',
                        '@namespaceKeywords': 'keyword',
                        '@otherKeywords': 'keyword',
                        '@constants': 'constant.language',
                        '@nameBuiltin': 'variable.language',
                        '_.*': 'comment.unused',
                        '@default': 'identifier'
                    }
                }
            ],
            // Module names
            [/@moduleName/, 'type.identifier']
        ],
        // Strings
        strings: [
            [/"""/, { token: 'string.delimiter', next: '@doubleQuotedHeredoc' }],
            [/'''/, { token: 'string.delimiter', next: '@singleQuotedHeredoc' }],
            [/"/, { token: 'string.delimiter', next: '@doubleQuotedString' }],
            [/'/, { token: 'string.delimiter', next: '@singleQuotedString' }]
        ],
        doubleQuotedHeredoc: [
            [/"""/, { token: 'string.delimiter', next: '@pop' }],
            { include: '@stringContentInterpol' }
        ],
        singleQuotedHeredoc: [
            [/'''/, { token: 'string.delimiter', next: '@pop' }],
            { include: '@stringContentInterpol' }
        ],
        doubleQuotedString: [
            [/"/, { token: 'string.delimiter', next: '@pop' }],
            { include: '@stringContentInterpol' }
        ],
        singleQuotedString: [
            [/'/, { token: 'string.delimiter', next: '@pop' }],
            { include: '@stringContentInterpol' }
        ],
        // Atoms
        atoms: [
            [/(:)(@atomName)/, ['constant.punctuation', 'constant']],
            [/:"/, { token: 'constant.delimiter', next: '@doubleQuotedStringAtom' }],
            [/:'/, { token: 'constant.delimiter', next: '@singleQuotedStringAtom' }]
        ],
        doubleQuotedStringAtom: [
            [/"/, { token: 'constant.delimiter', next: '@pop' }],
            { include: '@stringConstantContentInterpol' }
        ],
        singleQuotedStringAtom: [
            [/'/, { token: 'constant.delimiter', next: '@pop' }],
            { include: '@stringConstantContentInterpol' }
        ],
        // Sigils
        // See https://elixir-lang.org/getting-started/sigils.html
        // Sigils allow for typing values using their textual representation.
        // All sigils start with ~ followed by a letter indicating sigil type
        // and then a delimiter pair enclosing the textual representation.
        // Optional modifiers are allowed after the closing delimiter.
        // For instance a regular expressions can be written as:
        // ~r/foo|bar/ ~r{foo|bar} ~r/foo|bar/g
        //
        // In general lowercase sigils allow for interpolation
        // and escaped characters, whereas uppercase sigils don't
        //
        // During tokenization we want to distinguish some
        // specific sigil types, namely string and regexp,
        // so that they cen be themed separately.
        //
        // To reasonably handle all those combinations we leverage
        // dot-separated states, so if we transition to @sigilStart.interpol.s.{.}
        // then "sigilStart.interpol.s" state will match and also all
        // the individual dot-separated parameters can be accessed.
        sigils: [
            [/~[a-z]@sigilStartDelimiter/, { token: '@rematch', next: '@sigil.interpol' }],
            [/~[A-Z]@sigilStartDelimiter/, { token: '@rematch', next: '@sigil.noInterpol' }]
        ],
        sigil: [
            [/~([a-zA-Z])\{/, { token: '@rematch', switchTo: '@sigilStart.$S2.$1.{.}' }],
            [/~([a-zA-Z])\[/, { token: '@rematch', switchTo: '@sigilStart.$S2.$1.[.]' }],
            [/~([a-zA-Z])\(/, { token: '@rematch', switchTo: '@sigilStart.$S2.$1.(.)' }],
            [/~([a-zA-Z])\</, { token: '@rematch', switchTo: '@sigilStart.$S2.$1.<.>' }],
            [
                /~([a-zA-Z])(@sigilSymmetricDelimiter)/,
                { token: '@rematch', switchTo: '@sigilStart.$S2.$1.$2.$2' }
            ]
        ],
        // The definitions below expect states to be of the form:
        //
        // sigilStart.<interpol-or-noInterpol>.<sigil-letter>.<start-delimiter>.<end-delimiter>
        // sigilContinue.<interpol-or-noInterpol>.<sigil-letter>.<start-delimiter>.<end-delimiter>
        //
        // The sigilStart state is used only to properly classify the token (as string/regex/sigil)
        // and immediately switches to the sigilContinue sate, which handles the actual content
        // and waits for the corresponding end delimiter.
        'sigilStart.interpol.s': [
            [
                /~s@sigilStartDelimiter/,
                {
                    token: 'string.delimiter',
                    switchTo: '@sigilContinue.$S2.$S3.$S4.$S5'
                }
            ]
        ],
        'sigilContinue.interpol.s': [
            [
                /(@sigilEndDelimiter)[a-zA-Z]*/,
                {
                    cases: {
                        '$1==$S5': { token: 'string.delimiter', next: '@pop' },
                        '@default': 'string'
                    }
                }
            ],
            { include: '@stringContentInterpol' }
        ],
        'sigilStart.noInterpol.S': [
            [
                /~S@sigilStartDelimiter/,
                {
                    token: 'string.delimiter',
                    switchTo: '@sigilContinue.$S2.$S3.$S4.$S5'
                }
            ]
        ],
        'sigilContinue.noInterpol.S': [
            // Ignore escaped sigil end
            [/(^|[^\\])\\@sigilEndDelimiter/, 'string'],
            [
                /(@sigilEndDelimiter)[a-zA-Z]*/,
                {
                    cases: {
                        '$1==$S5': { token: 'string.delimiter', next: '@pop' },
                        '@default': 'string'
                    }
                }
            ],
            { include: '@stringContent' }
        ],
        'sigilStart.interpol.r': [
            [
                /~r@sigilStartDelimiter/,
                {
                    token: 'regexp.delimiter',
                    switchTo: '@sigilContinue.$S2.$S3.$S4.$S5'
                }
            ]
        ],
        'sigilContinue.interpol.r': [
            [
                /(@sigilEndDelimiter)[a-zA-Z]*/,
                {
                    cases: {
                        '$1==$S5': { token: 'regexp.delimiter', next: '@pop' },
                        '@default': 'regexp'
                    }
                }
            ],
            { include: '@regexpContentInterpol' }
        ],
        'sigilStart.noInterpol.R': [
            [
                /~R@sigilStartDelimiter/,
                {
                    token: 'regexp.delimiter',
                    switchTo: '@sigilContinue.$S2.$S3.$S4.$S5'
                }
            ]
        ],
        'sigilContinue.noInterpol.R': [
            // Ignore escaped sigil end
            [/(^|[^\\])\\@sigilEndDelimiter/, 'regexp'],
            [
                /(@sigilEndDelimiter)[a-zA-Z]*/,
                {
                    cases: {
                        '$1==$S5': { token: 'regexp.delimiter', next: '@pop' },
                        '@default': 'regexp'
                    }
                }
            ],
            { include: '@regexpContent' }
        ],
        // Fallback to the generic sigil by default
        'sigilStart.interpol': [
            [
                /~([a-zA-Z])@sigilStartDelimiter/,
                {
                    token: 'sigil.delimiter',
                    switchTo: '@sigilContinue.$S2.$S3.$S4.$S5'
                }
            ]
        ],
        'sigilContinue.interpol': [
            [
                /(@sigilEndDelimiter)[a-zA-Z]*/,
                {
                    cases: {
                        '$1==$S5': { token: 'sigil.delimiter', next: '@pop' },
                        '@default': 'sigil'
                    }
                }
            ],
            { include: '@sigilContentInterpol' }
        ],
        'sigilStart.noInterpol': [
            [
                /~([a-zA-Z])@sigilStartDelimiter/,
                {
                    token: 'sigil.delimiter',
                    switchTo: '@sigilContinue.$S2.$S3.$S4.$S5'
                }
            ]
        ],
        'sigilContinue.noInterpol': [
            // Ignore escaped sigil end
            [/(^|[^\\])\\@sigilEndDelimiter/, 'sigil'],
            [
                /(@sigilEndDelimiter)[a-zA-Z]*/,
                {
                    cases: {
                        '$1==$S5': { token: 'sigil.delimiter', next: '@pop' },
                        '@default': 'sigil'
                    }
                }
            ],
            { include: '@sigilContent' }
        ],
        // Attributes
        attributes: [
            // Module @doc* attributes - tokenized as comments
            [
                /\@(module|type)?doc (~[sS])?"""/,
                {
                    token: 'comment.block.documentation',
                    next: '@doubleQuotedHeredocDocstring'
                }
            ],
            [
                /\@(module|type)?doc (~[sS])?"/,
                {
                    token: 'comment.block.documentation',
                    next: '@doubleQuotedStringDocstring'
                }
            ],
            [/\@(module|type)?doc false/, 'comment.block.documentation'],
            // Module attributes
            [/\@(@variableName)/, 'variable']
        ],
        doubleQuotedHeredocDocstring: [
            [/"""/, { token: 'comment.block.documentation', next: '@pop' }],
            { include: '@docstringContent' }
        ],
        doubleQuotedStringDocstring: [
            [/"/, { token: 'comment.block.documentation', next: '@pop' }],
            { include: '@docstringContent' }
        ],
        // Operators, punctuation, brackets
        symbols: [
            // Code point operator (either with regular character ?a or an escaped one ?\n)
            [/\?(\\.|[^\\\s])/, 'number.constant'],
            // Anonymous function arguments
            [/&\d+/, 'operator'],
            // Bitshift operators (must go before delimiters, so that << >> don't match first)
            [/<<<|>>>/, 'operator'],
            // Delimiter pairs
            [/[()\[\]\{\}]|<<|>>/, '@brackets'],
            // Triple dot is a valid name (must go before operators, so that .. doesn't match instead)
            [/\.\.\./, 'identifier'],
            // Punctuation => (must go before operators, so it's not tokenized as = then >)
            [/=>/, 'punctuation'],
            // Operators
            [/@operator/, 'operator'],
            // Punctuation
            [/[:;,.%]/, 'punctuation']
        ],
        // Generic helpers
        stringContentInterpol: [
            { include: '@interpolation' },
            { include: '@escapeChar' },
            { include: '@stringContent' }
        ],
        stringContent: [[/./, 'string']],
        stringConstantContentInterpol: [
            { include: '@interpolation' },
            { include: '@escapeChar' },
            { include: '@stringConstantContent' }
        ],
        stringConstantContent: [[/./, 'constant']],
        regexpContentInterpol: [
            { include: '@interpolation' },
            { include: '@escapeChar' },
            { include: '@regexpContent' }
        ],
        regexpContent: [
            // # may be a regular regexp char, so we use a heuristic
            // assuming a # surrounded by whitespace is actually a comment.
            [/(\s)(#)(\s.*)$/, ['white', 'comment.punctuation', 'comment']],
            [/./, 'regexp']
        ],
        sigilContentInterpol: [
            { include: '@interpolation' },
            { include: '@escapeChar' },
            { include: '@sigilContent' }
        ],
        sigilContent: [[/./, 'sigil']],
        docstringContent: [[/./, 'comment.block.documentation']],
        escapeChar: [[/@escape/, 'constant.character.escape']],
        interpolation: [
            [/#{/, { token: 'delimiter.bracket.embed', next: '@interpolationContinue' }]
        ],
        interpolationContinue: [
            [/}/, { token: 'delimiter.bracket.embed', next: '@pop' }],
            // Interpolation brackets may contain arbitrary code,
            // so we simply match against all the root rules,
            // until we reach interpolation end (the above matches).
            { include: '@root' }
        ]
    }
};