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// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/LICENSE

(function(mod) {
  if (typeof exports == "object" && typeof module == "object") // CommonJS
    mod(require("../../lib/codemirror"));
  else if (typeof define == "function" && define.amd) // AMD
    define(["../../lib/codemirror"], mod);
  else // Plain browser env
    mod(CodeMirror);
})(function(CodeMirror) {
"use strict";

function forEach(arr, f) {
  for (var i = 0; i < arr.length; i++) f(arr[i], i)
}
function some(arr, f) {
  for (var i = 0; i < arr.length; i++) if (f(arr[i], i)) return true
  return false
}

CodeMirror.defineMode("dylan", function(_config) {
  // Words
  var words = {
    // Words that introduce unnamed definitions like "define interface"
    unnamedDefinition: ["interface"],

// Words that introduce simple named definitions like "define library"
    namedDefinition: ["module", "library", "macro",
                      "C-struct", "C-union",
                      "C-function", "C-callable-wrapper"
                     ],

// Words that introduce type definitions like "define class".
    // These are also parameterized like "define method" and are
    // appended to otherParameterizedDefinitionWords
    typeParameterizedDefinition: ["class", "C-subtype", "C-mapped-subtype"],

// Words that introduce trickier definitions like "define method".
    // These require special definitions to be added to startExpressions
    otherParameterizedDefinition: ["method", "function",
                                   "C-variable", "C-address"
                                  ],

// Words that introduce module constant definitions.
    // These must also be simple definitions and are
    // appended to otherSimpleDefinitionWords
    constantSimpleDefinition: ["constant"],

// Words that introduce module variable definitions.
    // These must also be simple definitions and are
    // appended to otherSimpleDefinitionWords
    variableSimpleDefinition: ["variable"],

// Other words that introduce simple definitions
    // (without implicit bodies).
    otherSimpleDefinition: ["generic", "domain",
                            "C-pointer-type",
                            "table"
                           ],

// Words that begin statements with implicit bodies.
    statement: ["if", "block", "begin", "method", "case",
                "for", "select", "when", "unless", "until",
                "while", "iterate", "profiling", "dynamic-bind"
               ],

// Patterns that act as separators in compound statements.
    // This may include any general pattern that must be indented
    // specially.
    separator: ["finally", "exception", "cleanup", "else",
                "elseif", "afterwards"
               ],

// Keywords that do not require special indentation handling,
    // but which should be highlighted
    other: ["above", "below", "by", "from", "handler", "in",
            "instance", "let", "local", "otherwise", "slot",
            "subclass", "then", "to", "keyed-by", "virtual"
           ],

// Condition signaling function calls
    signalingCalls: ["signal", "error", "cerror",
                     "break", "check-type", "abort"
                    ]
  };

words["otherDefinition"] =
    words["unnamedDefinition"]
    .concat(words["namedDefinition"])
    .concat(words["otherParameterizedDefinition"]);

words["definition"] =
    words["typeParameterizedDefinition"]
    .concat(words["otherDefinition"]);

words["parameterizedDefinition"] =
    words["typeParameterizedDefinition"]
    .concat(words["otherParameterizedDefinition"]);

words["simpleDefinition"] =
    words["constantSimpleDefinition"]
    .concat(words["variableSimpleDefinition"])
    .concat(words["otherSimpleDefinition"]);

words["keyword"] =
    words["statement"]
    .concat(words["separator"])
    .concat(words["other"]);

// Patterns
  var symbolPattern = "[-_a-zA-Z?!*@<>$%]+";
  var symbol = new RegExp("^" + symbolPattern);
  var patterns = {
    // Symbols with special syntax
    symbolKeyword: symbolPattern + ":",
    symbolClass: "<" + symbolPattern + ">",
    symbolGlobal: "\\*" + symbolPattern + "\\*",
    symbolConstant: "\\$" + symbolPattern
  };
  var patternStyles = {
    symbolKeyword: "atom",
    symbolClass: "tag",
    symbolGlobal: "variable-2",
    symbolConstant: "variable-3"
  };

// Compile all patterns to regular expressions
  for (var patternName in patterns)
    if (patterns.hasOwnProperty(patternName))
      patterns[patternName] = new RegExp("^" + patterns[patternName]);

// Names beginning "with-" and "without-" are commonly
  // used as statement macro
  patterns["keyword"] = [/^with(?:out)?-[-_a-zA-Z?!*@<>$%]+/];

var styles = {};
  styles["keyword"] = "keyword";
  styles["definition"] = "def";
  styles["simpleDefinition"] = "def";
  styles["signalingCalls"] = "builtin";

// protected words lookup table
  var wordLookup = {};
  var styleLookup = {};

forEach([
    "keyword",
    "definition",
    "simpleDefinition",
    "signalingCalls"
  ], function(type) {
    forEach(words[type], function(word) {
      wordLookup[word] = type;
      styleLookup[word] = styles[type];
    });
  });

function chain(stream, state, f) {
    state.tokenize = f;
    return f(stream, state);
  }

// Interface
  return {
    startState: function() {
      return {
        tokenize: tokenBase,
        currentIndent: 0
      };
    },
    token: function(stream, state) {
      if (stream.eatSpace())
        return null;
      var style = state.tokenize(stream, state);
      return style;
    },
    blockCommentStart: "/*",
    blockCommentEnd: "*/"
  };
});

CodeMirror.defineMIME("text/x-dylan", "dylan");

});