Ace Syntax Highlighting F#

gistfile1.txt

define(function(require, exports, module) {
"use strict";

var oop = require("../lib/oop");
var DocCommentHighlightRules = require("./doc_comment_highlight_rules").DocCommentHighlightRules;
var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;
var Tokenizer = require("ace/tokenizer").Tokenizer;

var FSharpHighlightRules = function ()
    {
        var keywords =
            // actual keywords
            'abstract|and|as|assert|base|begin|class|default|delegate|do|done|downcast|downto|elif|else|end|exception|extern|false' +
            '|finally|for|fun|function|global|if|in|inherit|inline|interface|internal|lazy|let|let!|match|member|module|mutable|namespace' +
            '|new|not|null|of|open|or|override|private|public|rec|return|return!|select|static|struct|then|to|true|try|type|typeof|upcast|use' +
            '|use!|val|void|when|while|with|yield|yield!|__SOURCE_DIRECTORY__' +

            // OCaml keywords
            '|asr|land|lor|lsl|lsr|lxor|mod|sig' +

            // future keywords
            '|atomic|break|checked|component|const|constraint|constructor|continue|eager|event|external|fixed|functor|include|' +
            '|method|mixin|object|parallel|process|protected|pure|sealed|tailcall|trait|virtual|volatile';

        var builtinConstants = ("true|false");

        var builtinFunctions = (
            ''
        );

        var keywordMapper = this.createKeywordMapper({
            "variable.language": "this",
            "keyword": keywords,
            "constant.language": builtinConstants,
            "support.function": builtinFunctions
        }, "identifier");
        
        var keywordsOnly = this.createKeywordMapper({
            "variable.language": "this",
            "keyword": keywords,
            "constant.language": builtinConstants,
        }, "identifier");


        var decimalInteger = "(?:(?:[1-9]\\d*)|(?:0))";
        var octInteger = "(?:0[oO]?[0-7]+)";
        var hexInteger = "(?:0[xX][\\dA-Fa-f]+)";
        var binInteger = "(?:0[bB][01]+)";
        var integer = "(?:" + decimalInteger + "|" + octInteger + "|" + hexInteger + "|" + binInteger + ")";

        var exponent = "(?:[eE][+-]?\\d+)";
        var fraction = "(?:\\.\\d+)";
        var intPart = "(?:\\d+)";
        var pointFloat = "(?:(?:" + intPart + "?" + fraction + ")|(?:" + intPart + "\\.))";
        var exponentFloat = "(?:(?:" + pointFloat + "|" + intPart + ")" + exponent + ")";
        var floatNumber = "(?:" + exponentFloat + "|" + pointFloat + ")";
        var stringSingleOps = "("
        this.$rules = {
            "start": [
                //{   token: "entity.name.type",
                //    regex: ":\\s+\\'\\w+[\\w|\\d]+",
                //    next: "entity.name.type"        },
                    
                {   token: "paren.left", // start of an attribute block
                    regex: "\\[\\<", 
                    next: "attribute"            },
                   
               {   // ' in a generic type attribute
                    token : ["keyword","whitespace","keyword.operator", "text", "keyword.operator","identifier"],
                    regex : "(type|inherit)(\\s*|\\n*|\\r*)(\\<)(\\s*)(\\')(\\w+\\d*)",
                    next: "type-name" 
                },
                   
                    
                {   token: ["keyword","whitespace","support.class"],       // type declaration
                    regex: "(type|inherit)(\\s*|\\n*|\\r*)(\\w+[\\d_\\w]*)", 
                    next: "type-name"              
                }, 
                
                {   token: ["keyword","whitespace","support.class"],       // type declaration
                    regex: "(type|inherit)(\\s*|\\n*|\\r*)(``\\w+[\\d_\\w]*``)", 
                    next: "type-name"              
                }, 

                {   token: ["keyword","support.class"],       // type declaration
                    regex: "(type|inherit)((``\\w+(\\d|_|\\w)*``)|\\w+[\\d_\\w]*)", 
                    next: "type-name"              },
                    
                {
                    token : ["keyword", "whitespace", "identifier","keyword.operator","entity.name.function", "variable.parameter"],
                    regex : "(member)"+  "(\\s+)"+ "([a-zA-Z_][a-zA-Z0-9_]*)(\\.)([a-zA-Z_][a-zA-Z0-9_]*)(\\s*[a-zA-Z_][a-zA-Z0-9_]*)",
                    next: "function-args"
                },
                
                //{
                //    token : ["keyword", "whitespace", "identifier","keyword.operator","entity.name.function", "variable.parameter"],
                //    regex : "(let|inline|static|private|protected)"+"(\\s+)([a-zA-Z_][a-zA-Z0-9_]*\\b)(\\.)([a-zA-Z_][a-zA-Z0-9_]*\\b)(\\s*[a-zA-Z_][a-zA-Z0-9_]*\\b)",
                //    next: "function-args"
                //},
                
                {   // ' in a generic type attribute
                    token : ["keyword.operator", "text", "keyword.operator","identifier"],
                    regex : "(\\<)(\\s*)(\\')(\\w+\\d*)"
                },
                {   // ' in a generic type attribute
                    token : [ "text", "keyword.operator","identifier"],
                    regex : "(,\\s*)(\\')(\\w+\\d*)"
                },
                
                {   // ' in a function sig
                    token : [ "keyword.operator","text", "keyword.operator","identifier"],
                    regex : "(\\:)(\\s*)(\\')(\\w+\\d*)"
                },
                
                {   // ' in a function sig
                    token : [ "keyword.operator","text", "keyword.operator","identifier"],
                    regex : "(\\-\\>)(\\s*)(\\')(\\w+\\d*)"
                },

                {   token: "keyword",       // type declaration
                    regex: "namespace", 
                    next: "namespace"              },
                
                {   token: "keyword",       // type declaration
                    regex: "module", 
                    next: "module"              },
                    
                {   token: "comment", // single line
                    regex: '[\\s*\\S*](\\r|\\n)'        },
                    
                {   token: "comment",
                    regex: '\\(\\*.*?\\*\\)\\s*?$'       },
                    
                {   token: "comment",
                    regex: '\\(\\*.*',
                    next: "comment"            },
                    
                {   token: "comment.documentation",
                    regex: '///',
                    next: "comment.documentation"        },
                {
                    token:"comment",
                    regex: "//",
                    next: "comment.line"
                },
                {
                    token: "string", // single line
                    regex: '["](?:(?:\\\\.)|(?:[^"\\\\]))*?["]'
                },
                
                {
                    token: "string.single", // single char
                    regex: "'.+'"
                },
                {
                    token: "string.double", // " string
                    regex: '"',
                    next: "qstring"
                },
                {
                    token: keywordMapper,
                    regex: "[a-zA-Z_$][a-zA-Z0-9_$]*\\b"
                },
                
                {
                    token: "constant.numeric", // imaginary
                    regex: "(?:" + floatNumber + "|\\d+)[jJ]\\b"
                },
                {
                    token: "constant.numeric", // float
                    regex: floatNumber
                },
                {
                    token: "constant.numeric", // integer
                    regex: integer + "\\b"
                },
                {
                    token: "paren.lbanana",
                    regex: "\\(\\|",
                    next: "active-pattern"
                },
                {
                    token: "paren.lparen",
                    regex: "\\(|\\{|\\[\\||\\["
                        //   ^  [|  ^ ^  (|  ^ 
                },
                {
                    token: "paren.rparen",
                    regex: "\\|\\)|\\)|\\|\\]|\\}|\\]"
                },
                {   token: "keyword.operator",
                    regex: "\\+\\.|\\-\\.|\\*\\.|\\/\\.|#|;;|\\+|\\-|\\*|\\*\\*\\/|\\-\\>" +
                           "\\/\\/|%|\\<\\<|\\>\\>|\\&|\\||\\^|~|\\<|\\>|\\<=|=\\>|==|!=|\\<\\>|" +
                           "\\<\\-|=|/|\\:|!|\\."        },
                {   token: "text",
                    regex: "\\s+(\\r|\\n)"  },
                
            ],
            "function-args": [
                {
                    token: "line-end",
                    regex: "$^",
                    next: "start"
                },
                
                
                {
                    token: "variable.parameter",
                    regex: "(\\s*[a-zA-Z_][a-zA-Z0-9_]*\\b)",
                    next: "function-args"
                },
                {
                    token: "keyword.operator",
                    regex: "\\=",
                    next: "start"
                },
                

            ],
            "attribute": [
                {
                    token: "entity.other.attribute-name",
                    regex: "\\w+\\d*",
                },
                {
                    token: "string", // single line
                    regex: '".+"'
                },
                
                {
                    token: "string.single", // single char
                    regex: "'.+'"
                },
                {
                    token: "paren.right",
                    regex: "\\>\\]", 
                    next: "start"
                },
            
            ],
            "namespace":[
                {   token: "support.constant",
                    regex: "\\w+(\\d|_|\\w)*",
                    next: "start"                },
            ],
            "module":[
                {   token: "meta.storage.type",
                    regex: "\\w+(\\d|_|\\w)*",
                    next: "start"                },
            ],
            "type-name":[
 
                
                {   // ' in a generic type attribute
                    token : ["keyword.operator", "text", "keyword.operator","identifier"],
                    regex : "(\\<)(\\s*)(\\')(\\w+\\d*)"
                },
                {   // ' in a generic type attribute
                    token : [ "text", "keyword.operator","identifier"],
                    regex : "(,\\s*)(\\')(\\w+\\d*)"
                },
                {   // ' in a generic type attribute 'Type * 'Type
                    token : [ "keyword.operator","whitespace", "keyword.operator","identifier"],
                    regex : "(\\*)([\\s\\n\\r]*)(\\')(\\w+\\d*)"
                },
                
                {
                    token: "keyword",
                    regex: "of"
                },
                
                
                {
                    token: "keyword.operator",
                    regex: "\\*|\\>"
                },
                {
                    token: ["keyword.operator","whitespace", "keyword.operator","whitespace","entity.other.attribute-name"],
                    regex: "(\\=)([\\s*$*\\r*\\n*]*)(\\|)(\\s*|\\n*|\\r*)([A-Z]+[\\w_\\d]*)",
                    next: "discriminated-union"
                
                },
                {
                    token: ["keyword.operator","whitespace", "keyword.operator","whitespace","entity.other.attribute-name"],
                    regex: "(\\=)([\\s*\\r*\\n*]*$^[\\s*\\r*\\n*]*)(\\|)(\\s*|\\n*|\\r*)([A-Z]+[\\w_\\d]*)",
                    next: "discriminated-union"
                
                },
                {
                    token: ["whitespace", "keyword.operator","whitespace","entity.other.attribute-name"],
                    regex: "([\\s*$*\\r*\\n*]*)(\\|)([\\s\\n\\r]*)([A-Z]+[\\w_\\d]*)",
                    next: "discriminated-union"
                
                },
                {
                    token: ["whitespace", "keyword.operator","whitespace","entity.other.attribute-name"],
                    regex: "([\\s*$*\\r*\\n*]*)(\\|)([\\s\\n\\r]*)([A-Z]+[\\w_\\d]*)",
                    next: "discriminated-union"
                
                },
                {
                    token: "keyword.operator",
                    regex: "\\=",
                    next:"discriminated-union"
                } ,

                {
                    token: keywordMapper,
                    regex: "[a-zA-Z_$][a-zA-Z0-9_$]*\\b",
                    next: "start"
                },
                {
                    token: "unit",
                    regex: "\\(\\s*\\)",
                    next: "start"
                },



            ],
            "discriminated-union":[
                //{
                //    token: "whitespace",
                //    regex : "[^\\s\\n\\r$]*"
                //},
                {   // Discriminated Union Case
                    token : ["whitespace", "keyword.operator","whitespace","entity.other.attribute-name"],
                    regex : "([\\s\\n\\r]*)(\\|)(\\s*|\\n*|\\r*)([A-Z]+[\\w_\\d]*)",
                    next: "discriminated-union"

                }, 
                {
                    token : ["whitespace","keyword","whitespace","identifier"],
                    regex : "([\\s\\n\\r]+)(of)([\\s\\n\\r]+)(\\w+[\\w_\\d]*)",
                    next: "discriminated-union"
  
                },
                {
                    token : ["whitespace","keyword.operator","whitespace","identifier"],
                    regex : "([\\s\\n\\r]+)(\\*)([\\s\\n\\r]+)(\\w+[\\w_\\d]*)",
                    next: "discriminated-union"
  
                },
                {   // Discriminated Union Case
                    token : [ "whitespace", "keyword.operator","whitespace","entity.other.attribute-name","whitespace"],
                    regex : "(^[\\s\\n\\r]*)(\\|)([\\s\\n\\r]*)([A-Z]+[\\w_\\d]*)([\\s\\n\\r]*$)"
                },  

                {
                    token: "line-end",
                    regex: "$^",
                    next: "start"
                },
                {
                    token: keywordMapper,
                    regex: "[a-zA-Z_$][a-zA-Z0-9_$]*\\b",
                    next: "start"
                },
                
                
            ],
            "active-pattern":[
                {
                    token: "entity.other.attribute-name",
                    regex: "\\w+\\d*",
                },
                {
                    token: "paren.rbanana",
                    regex: "\\|\\)|\\)",
                    next: "start"
                },
            ],


            
            
            
            "comment": [
                {
                    token: "comment", // closing comment
                    regex: ".*?\\*\\)",
                    next: "start"
                },
                
            ],
            "comment.documentation":[
                {
                    token: "comment.documentation", // comment spanning whole line
                    regex: ".+",
                    next: "start"

                },
            ],
            "comment.line":[
                {
                    token: "comment", // comment spanning whole line
                    regex: ".+",
                    next: "start"

                },
            ],
            "entity.name.type": [
                {
                    token: "type",
                    regex: "\\w+[\\w\\d]*",
                    next: "start"
                },
            ],

            "qstring": [
                {
                    token: "string",
                    regex: '"',
                    next: "start"
                }, {
                    token: "string",
                    regex: '.+'
                }
            ]
        };
    };

    oop.inherits(FSharpHighlightRules, TextHighlightRules);

    exports.FSharpHighlightRules = FSharpHighlightRules;
});