Created
February 5, 2022 12:32
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A Groovy language for monaco editor
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| import { languages } from "monaco-editor"; | |
| function getTokens(tokens: string, divider = "|"): string[] { | |
| return tokens.split(divider); | |
| } | |
| const wordPattern = /(-?\d*\.\d\w*)|([^`~!@#%^&*()\-=+[{\]}\\|;:'",./?\s]+)/g; | |
| const brackets: languages.CharacterPair[] = [ | |
| ["{", "}"], | |
| ["[", "]"], | |
| ["(", ")"], | |
| ]; | |
| const bracketTokens = [ | |
| { | |
| open: "[", | |
| close: "]", | |
| token: "delimiter.square", | |
| }, | |
| { | |
| open: "(", | |
| close: ")", | |
| token: "delimiter.parenthesis", | |
| }, | |
| { | |
| open: "{", | |
| close: "}", | |
| token: "delimiter.curly", | |
| }, | |
| ]; | |
| const autoClosingPairs = [ | |
| { open: "{", close: "}" }, | |
| { open: "[", close: "]" }, | |
| { open: "(", close: ")" }, | |
| { open: '"', close: '"' }, | |
| { open: "'", close: "'" }, | |
| { open: "`", close: "`" }, | |
| ]; | |
| const surroundingPairs = autoClosingPairs; | |
| const id = "groovy"; | |
| const label = "Groovy"; | |
| export const registerGroovyLanguageForMonaco = () => { | |
| languages.register({ id, aliases: [label] }); | |
| languages.setMonarchTokensProvider(id, { | |
| brackets: bracketTokens, | |
| tokenPostfix: ".groovy", | |
| keywords: getTokens( | |
| "assert|with|abstract|continue|for|new|switch|assert|default|goto|package|synchronized|boolean|do|if|private|this|break|double|implements|protected|throw|byte|else|import|public|throws|case|enum|instanceof|return|transient|catch|extends|int|short|try|char|final|interface|static|void|class|finally|long|strictfp|volatile|def|float|native|super|while|in|as" | |
| ), | |
| typeKeywords: getTokens( | |
| "Long|Integer|Short|Byte|Double|Number|Float|Character|Boolean|StackTraceElement|Appendable|StringBuffer|Iterable|ThreadGroup|Runnable|Thread|IllegalMonitorStateException|StackOverflowError|OutOfMemoryError|VirtualMachineError|ArrayStoreException|ClassCastException|LinkageError|NoClassDefFoundError|ClassNotFoundException|RuntimeException|Exception|ThreadDeath|Error|Throwable|System|ClassLoader|Cloneable|Class|CharSequence|Comparable|String|Object" | |
| ), | |
| constants: getTokens("null|Infinity|NaN|undefined|true|false"), | |
| builtinFunctions: getTokens( | |
| "AbstractMethodError|AssertionError|ClassCircularityError|ClassFormatError|Deprecated|EnumConstantNotPresentException|ExceptionInInitializerError|IllegalAccessError|IllegalThreadStateException|InstantiationError|InternalError|NegativeArraySizeException|NoSuchFieldError|Override|Process|ProcessBuilder|SecurityManager|StringIndexOutOfBoundsException|SuppressWarnings|TypeNotPresentException|UnknownError|UnsatisfiedLinkError|UnsupportedClassVersionError|VerifyError|InstantiationException|IndexOutOfBoundsException|ArrayIndexOutOfBoundsException|CloneNotSupportedException|NoSuchFieldException|IllegalArgumentException|NumberFormatException|SecurityException|Void|InheritableThreadLocal|IllegalStateException|InterruptedException|NoSuchMethodException|IllegalAccessException|UnsupportedOperationException|Enum|StrictMath|Package|Compiler|Readable|Runtime|StringBuilder|Math|IncompatibleClassChangeError|NoSuchMethodError|ThreadLocal|RuntimePermission|ArithmeticException|NullPointerException" | |
| ), | |
| operators: [ | |
| ".", | |
| ".&", | |
| ".@", | |
| "?.", | |
| "*", | |
| "*.", | |
| "*:", | |
| "~", | |
| "!", | |
| "++", | |
| "--", | |
| "**", | |
| "+", | |
| "-", | |
| "*", | |
| "/", | |
| "%", | |
| "<<", | |
| ">>", | |
| ">>>", | |
| "..", | |
| "..<", | |
| "<", | |
| "<=", | |
| ">", | |
| ">", | |
| "==", | |
| "!=", | |
| "<=>", | |
| "===", | |
| "!==", | |
| "=~", | |
| "==~", | |
| "^", | |
| "|", | |
| "&&", | |
| "||", | |
| "?", | |
| ":", | |
| "?:", | |
| "=", | |
| "**=", | |
| "*=", | |
| "/=", | |
| "%=", | |
| "+=", | |
| "-=", | |
| "<<=", | |
| ">>=", | |
| ">>>=", | |
| "&=", | |
| "^=", | |
| "|=", | |
| "?=", | |
| ], | |
| symbols: /[=><!~?:&|+\-*/^%]+/, | |
| escapes: /\\(?:[abfnrtv\\"'`]|x[0-9A-Fa-f]{1,4}|u[0-9A-Fa-f]{4}|U[0-9A-Fa-f]{8})/, | |
| regexpctl: /[(){}[\]$^|\-*+?.]/, | |
| regexpesc: /\\(?:[bBdDfnrstvwWn0\\/]|@regexpctl|c[A-Z]|x[0-9a-fA-F]{2}|u[0-9a-fA-F]{4})/, | |
| tokenizer: { | |
| root: [ | |
| { include: "@whitespace" }, | |
| [ | |
| /\/(?=([^\\/]|\\.)+\/([dgimsuy]*)(\s*)(\.|;|,|\)|\]|\}|$))/, | |
| { token: "regexp", bracket: "@open", next: "@regexp" }, | |
| ], | |
| { include: "@comments" }, | |
| { include: "@numbers" }, | |
| { include: "common" }, | |
| [/[;,.]/, "delimiter"], | |
| [/[(){}[\]]/, "@brackets"], | |
| [ | |
| /[a-zA-Z_$]\w*/, | |
| { | |
| cases: { | |
| "@keywords": "keyword", | |
| "@typeKeywords": "type", | |
| "@constants": "constant.groovy", | |
| "@builtinFunctions": "constant.other.color", | |
| "@default": "identifier", | |
| }, | |
| }, | |
| ], | |
| [ | |
| /@symbols/, | |
| { | |
| cases: { | |
| "@operators": "operator", | |
| "@default": "", | |
| }, | |
| }, | |
| ], | |
| ], | |
| common: [ | |
| // delimiters and operators | |
| [/[()[\]]/, "@brackets"], | |
| [/[<>](?!@symbols)/, "@brackets"], | |
| [ | |
| /@symbols/, | |
| { | |
| cases: { | |
| "@operators": "delimiter", | |
| "@default": "", | |
| }, | |
| }, | |
| ], | |
| [ | |
| /\/(?=([^\\/]|\\.)+\/([gimsuy]*)(\s*)(\.|;|\/|,|\)|\]|\}|$))/, | |
| { token: "regexp", bracket: "@open", next: "@regexp" }, | |
| ], | |
| // delimiter: after number because of .\d floats | |
| [/[;,.]/, "delimiter"], | |
| // strings | |
| [/"([^"\\]|\\.)*$/, "string.invalid"], | |
| [/'([^'\\]|\\.)*$/, "string.invalid"], | |
| [/"/, "string", "@string_double"], | |
| [/'/, "string", "@string_single"], | |
| ], | |
| whitespace: [[/\s+/, "white"]], | |
| comments: [ | |
| [/\/\/.*/, "comment"], | |
| [ | |
| /\/\*/, | |
| { | |
| token: "comment.quote", | |
| next: "@comment", | |
| }, | |
| ], | |
| ], | |
| comment: [ | |
| [/[^*/]+/, "comment"], | |
| [ | |
| /\*\//, | |
| { | |
| token: "comment.quote", | |
| next: "@pop", | |
| }, | |
| ], | |
| [/./, "comment"], | |
| ], | |
| commentAnsi: [ | |
| [ | |
| /\/\*/, | |
| { | |
| token: "comment.quote", | |
| next: "@comment", | |
| }, | |
| ], | |
| [/[^*/]+/, "comment"], | |
| [ | |
| /\*\//, | |
| { | |
| token: "comment.quote", | |
| next: "@pop", | |
| }, | |
| ], | |
| [/./, "comment"], | |
| ], | |
| numbers: [ | |
| [/[+-]?\d+(?:(?:\.\d*)?(?:[eE][+-]?\d+)?)?f?\b/, "number.float"], | |
| [/[+-]?(?:0[obx])?\d+(?:u?[lst]?)?\b/, "number"], | |
| ], | |
| regexp: [ | |
| [/(\{)(\d+(?:,\d*)?)(\})/, ["regexp.escape.control", "regexp.escape.control", "regexp.escape.control"]], | |
| [ | |
| /(\[)(\^?)(?=(?:[^\]\\/]|\\.)+)/, | |
| // @ts-ignore | |
| ["regexp.escape.control", { token: "regexp.escape.control", next: "@regexrange" }], | |
| ], | |
| [/(\()(\?:|\?=|\?!)/, ["regexp.escape.control", "regexp.escape.control"]], | |
| [/[()]/, "regexp.escape.control"], | |
| [/@regexpctl/, "regexp.escape.control"], | |
| [/[^\\/]/, "regexp"], | |
| [/@regexpesc/, "regexp.escape"], | |
| [/\\\./, "regexp.invalid"], | |
| // @ts-ignore | |
| [/(\/)([gimsuy]*)/, [{ token: "regexp", bracket: "@close", next: "@pop" }, "keyword.other"]], | |
| ], | |
| regexrange: [ | |
| [/-/, "regexp.escape.control"], | |
| [/\^/, "regexp.invalid"], | |
| [/@regexpesc/, "regexp.escape"], | |
| [/[^\]]/, "regexp"], | |
| [/\]/, { token: "regexp.escape.control", next: "@pop", bracket: "@close" }], | |
| ], | |
| embedded: [ | |
| [ | |
| /([^@]|^)([@]{4})*[@]{2}([@]([^@]|$)|[^@]|$)/, | |
| { | |
| token: "@rematch", | |
| next: "@pop", | |
| nextEmbedded: "@pop", | |
| }, | |
| ], | |
| ], | |
| string_double: [ | |
| [/\$\{/, { token: "delimiter.bracket", next: "@bracketCounting" }], | |
| [/[^\\"$]+/, "string"], | |
| [/[^\\"]+/, "string"], | |
| [/@escapes/, "string.escape"], | |
| [/\\./, "string.escape.invalid"], | |
| [/"/, "string", "@pop"], | |
| ], | |
| string_single: [ | |
| [/[^\\']+/, "string"], | |
| [/@escapes/, "string.escape"], | |
| [/\\./, "string.escape.invalid"], | |
| [/'/, "string", "@pop"], | |
| ], | |
| string_backtick: [ | |
| [/\$\{/, { token: "delimiter.bracket", next: "@bracketCounting" }], | |
| [/[^\\"$]+/, "string"], | |
| [/@escapes/, "string.escape"], | |
| [/\\./, "string.escape.invalid"], | |
| [/"/, "string", "@pop"], | |
| ], | |
| bracketCounting: [ | |
| [/\{/, "delimiter.bracket", "@bracketCounting"], | |
| [/\}/, "delimiter.bracket", "@pop"], | |
| { include: "common" }, | |
| ], | |
| }, | |
| }); | |
| languages.setLanguageConfiguration(id, { | |
| comments: { | |
| lineComment: "//", | |
| blockComment: ["/*", "*/"], | |
| }, | |
| brackets, | |
| autoClosingPairs, | |
| surroundingPairs, | |
| wordPattern, | |
| }); | |
| }; |
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I was getting some error
and editor was not coloring correctly
instead of looking like this
So after comparing to java language definition
I located the issue to
after removal the above mentioned error no longer shows itself, but I don't realy understand what went wrong.
So here the edited file