// CodeMirror, copyright (c) by Marijn Haverbeke and others

// Distributed under an MIT license: http://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";



CodeMirror.defineMode("haxe", function(config, parserConfig) {

  var indentUnit = config.indentUnit;



  // Tokenizer



  function kw(type) {return {type: type, style: "keyword"};}

  var A = kw("keyword a"), B = kw("keyword b"), C = kw("keyword c");

  var operator = kw("operator"), atom = {type: "atom", style: "atom"}, attribute = {type:"attribute", style: "attribute"};

  var type = kw("typedef");

  var keywords = {

    "if": A, "while": A, "else": B, "do": B, "try": B,

    "return": C, "break": C, "continue": C, "new": C, "throw": C,

    "var": kw("var"), "inline":attribute, "static": attribute, "using":kw("import"),

    "public": attribute, "private": attribute, "cast": kw("cast"), "import": kw("import"), "macro": kw("macro"),

    "function": kw("function"), "catch": kw("catch"), "untyped": kw("untyped"), "callback": kw("cb"),

    "for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"),

    "in": operator, "never": kw("property_access"), "trace":kw("trace"),

    "class": type, "abstract":type, "enum":type, "interface":type, "typedef":type, "extends":type, "implements":type, "dynamic":type,

    "true": atom, "false": atom, "null": atom

  };



  var isOperatorChar = /[+\-*&%=<>!?|]/;



  function chain(stream, state, f) {

    state.tokenize = f;

    return f(stream, state);

  }



  function toUnescaped(stream, end) {

    var escaped = false, next;

    while ((next = stream.next()) != null) {

      if (next == end && !escaped)

        return true;

      escaped = !escaped && next == "\\";

    }

  }



  // Used as scratch variables to communicate multiple values without

  // consing up tons of objects.

  var type, content;

  function ret(tp, style, cont) {

    type = tp; content = cont;

    return style;

  }



  function haxeTokenBase(stream, state) {

    var ch = stream.next();

    if (ch == '"' || ch == "'") {

      return chain(stream, state, haxeTokenString(ch));

    } else if (/[\[\]{}\(\),;\:\.]/.test(ch)) {

      return ret(ch);

    } else if (ch == "0" && stream.eat(/x/i)) {

      stream.eatWhile(/[\da-f]/i);

      return ret("number", "number");

    } else if (/\d/.test(ch) || ch == "-" && stream.eat(/\d/)) {

      stream.match(/^\d*(?:\.\d*(?!\.))?(?:[eE][+\-]?\d+)?/);

      return ret("number", "number");

    } else if (state.reAllowed && (ch == "~" && stream.eat(/\//))) {

      toUnescaped(stream, "/");

      stream.eatWhile(/[gimsu]/);

      return ret("regexp", "string-2");

    } else if (ch == "/") {

      if (stream.eat("*")) {

        return chain(stream, state, haxeTokenComment);

      } else if (stream.eat("/")) {

        stream.skipToEnd();

        return ret("comment", "comment");

      } else {

        stream.eatWhile(isOperatorChar);

        return ret("operator", null, stream.current());

      }

    } else if (ch == "#") {

        stream.skipToEnd();

        return ret("conditional", "meta");

    } else if (ch == "@") {

      stream.eat(/:/);

      stream.eatWhile(/[\w_]/);

      return ret ("metadata", "meta");

    } else if (isOperatorChar.test(ch)) {

      stream.eatWhile(isOperatorChar);

      return ret("operator", null, stream.current());

    } else {

      var word;

      if(/[A-Z]/.test(ch)) {

        stream.eatWhile(/[\w_<>]/);

        word = stream.current();

        return ret("type", "variable-3", word);

      } else {

        stream.eatWhile(/[\w_]/);

        var word = stream.current(), known = keywords.propertyIsEnumerable(word) && keywords[word];

        return (known && state.kwAllowed) ? ret(known.type, known.style, word) :

                       ret("variable", "variable", word);

      }

    }

  }



  function haxeTokenString(quote) {

    return function(stream, state) {

      if (toUnescaped(stream, quote))

        state.tokenize = haxeTokenBase;

      return ret("string", "string");

    };

  }



  function haxeTokenComment(stream, state) {

    var maybeEnd = false, ch;

    while (ch = stream.next()) {

      if (ch == "/" && maybeEnd) {

        state.tokenize = haxeTokenBase;

        break;

      }

      maybeEnd = (ch == "*");

    }

    return ret("comment", "comment");

  }



  // Parser



  var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true, "regexp": true};



  function HaxeLexical(indented, column, type, align, prev, info) {

    this.indented = indented;

    this.column = column;

    this.type = type;

    this.prev = prev;

    this.info = info;

    if (align != null) this.align = align;

  }



  function inScope(state, varname) {

    for (var v = state.localVars; v; v = v.next)

      if (v.name == varname) return true;

  }



  function parseHaxe(state, style, type, content, stream) {

    var cc = state.cc;

    // Communicate our context to the combinators.

    // (Less wasteful than consing up a hundred closures on every call.)

    cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc;



    if (!state.lexical.hasOwnProperty("align"))

      state.lexical.align = true;



    while(true) {

      var combinator = cc.length ? cc.pop() : statement;

      if (combinator(type, content)) {

        while(cc.length && cc[cc.length - 1].lex)

          cc.pop()();

        if (cx.marked) return cx.marked;

        if (type == "variable" && inScope(state, content)) return "variable-2";

        if (type == "variable" && imported(state, content)) return "variable-3";

        return style;

      }

    }

  }



  function imported(state, typename) {

    if (/[a-z]/.test(typename.charAt(0)))

      return false;

    var len = state.importedtypes.length;

    for (var i = 0; i<len; i++)

      if(state.importedtypes[i]==typename) return true;

  }



  function registerimport(importname) {

    var state = cx.state;

    for (var t = state.importedtypes; t; t = t.next)

      if(t.name == importname) return;

    state.importedtypes = { name: importname, next: state.importedtypes };

  }

  // Combinator utils



  var cx = {state: null, column: null, marked: null, cc: null};

  function pass() {

    for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]);

  }

  function cont() {

    pass.apply(null, arguments);

    return true;

  }

  function inList(name, list) {

    for (var v = list; v; v = v.next)

      if (v.name == name) return true;

    return false;

  }

  function register(varname) {

    var state = cx.state;

    if (state.context) {

      cx.marked = "def";

      if (inList(varname, state.localVars)) return;

      state.localVars = {name: varname, next: state.localVars};

    } else if (state.globalVars) {

      if (inList(varname, state.globalVars)) return;

      state.globalVars = {name: varname, next: state.globalVars};

    }

  }



  // Combinators



  var defaultVars = {name: "this", next: null};

  function pushcontext() {

    if (!cx.state.context) cx.state.localVars = defaultVars;

    cx.state.context = {prev: cx.state.context, vars: cx.state.localVars};

  }

  function popcontext() {

    cx.state.localVars = cx.state.context.vars;

    cx.state.context = cx.state.context.prev;

  }

  popcontext.lex = true;

  function pushlex(type, info) {

    var result = function() {

      var state = cx.state;

      state.lexical = new HaxeLexical(state.indented, cx.stream.column(), type, null, state.lexical, info);

    };

    result.lex = true;

    return result;

  }

  function poplex() {

    var state = cx.state;

    if (state.lexical.prev) {

      if (state.lexical.type == ")")

        state.indented = state.lexical.indented;

      state.lexical = state.lexical.prev;

    }

  }

  poplex.lex = true;



  function expect(wanted) {

    function f(type) {

      if (type == wanted) return cont();

      else if (wanted == ";") return pass();

      else return cont(f);

    }

    return f;

  }



  function statement(type) {

    if (type == "@") return cont(metadef);

    if (type == "var") return cont(pushlex("vardef"), vardef1, expect(";"), poplex);

    if (type == "keyword a") return cont(pushlex("form"), expression, statement, poplex);

    if (type == "keyword b") return cont(pushlex("form"), statement, poplex);

    if (type == "{") return cont(pushlex("}"), pushcontext, block, poplex, popcontext);

    if (type == ";") return cont();

    if (type == "attribute") return cont(maybeattribute);

    if (type == "function") return cont(functiondef);

    if (type == "for") return cont(pushlex("form"), expect("("), pushlex(")"), forspec1, expect(")"),

                                   poplex, statement, poplex);

    if (type == "variable") return cont(pushlex("stat"), maybelabel);

    if (type == "switch") return cont(pushlex("form"), expression, pushlex("}", "switch"), expect("{"),

                                      block, poplex, poplex);

    if (type == "case") return cont(expression, expect(":"));

    if (type == "default") return cont(expect(":"));

    if (type == "catch") return cont(pushlex("form"), pushcontext, expect("("), funarg, expect(")"),

                                     statement, poplex, popcontext);

    if (type == "import") return cont(importdef, expect(";"));

    if (type == "typedef") return cont(typedef);

    return pass(pushlex("stat"), expression, expect(";"), poplex);

  }

  function expression(type) {

    if (atomicTypes.hasOwnProperty(type)) return cont(maybeoperator);

    if (type == "type" ) return cont(maybeoperator);

    if (type == "function") return cont(functiondef);

    if (type == "keyword c") return cont(maybeexpression);

    if (type == "(") return cont(pushlex(")"), maybeexpression, expect(")"), poplex, maybeoperator);

    if (type == "operator") return cont(expression);

    if (type == "[") return cont(pushlex("]"), commasep(maybeexpression, "]"), poplex, maybeoperator);

    if (type == "{") return cont(pushlex("}"), commasep(objprop, "}"), poplex, maybeoperator);

    return cont();

  }

  function maybeexpression(type) {

    if (type.match(/[;\}\)\],]/)) return pass();

    return pass(expression);

  }



  function maybeoperator(type, value) {

    if (type == "operator" && /\+\+|--/.test(value)) return cont(maybeoperator);

    if (type == "operator" || type == ":") return cont(expression);

    if (type == ";") return;

    if (type == "(") return cont(pushlex(")"), commasep(expression, ")"), poplex, maybeoperator);

    if (type == ".") return cont(property, maybeoperator);

    if (type == "[") return cont(pushlex("]"), expression, expect("]"), poplex, maybeoperator);

  }



  function maybeattribute(type) {

    if (type == "attribute") return cont(maybeattribute);

    if (type == "function") return cont(functiondef);

    if (type == "var") return cont(vardef1);

  }



  function metadef(type) {

    if(type == ":") return cont(metadef);

    if(type == "variable") return cont(metadef);

    if(type == "(") return cont(pushlex(")"), commasep(metaargs, ")"), poplex, statement);

  }

  function metaargs(type) {

    if(type == "variable") return cont();

  }



  function importdef (type, value) {

    if(type == "variable" && /[A-Z]/.test(value.charAt(0))) { registerimport(value); return cont(); }

    else if(type == "variable" || type == "property" || type == "." || value == "*") return cont(importdef);

  }



  function typedef (type, value)

  {

    if(type == "variable" && /[A-Z]/.test(value.charAt(0))) { registerimport(value); return cont(); }

    else if (type == "type" && /[A-Z]/.test(value.charAt(0))) { return cont(); }

  }



  function maybelabel(type) {

    if (type == ":") return cont(poplex, statement);

    return pass(maybeoperator, expect(";"), poplex);

  }

  function property(type) {

    if (type == "variable") {cx.marked = "property"; return cont();}

  }

  function objprop(type) {

    if (type == "variable") cx.marked = "property";

    if (atomicTypes.hasOwnProperty(type)) return cont(expect(":"), expression);

  }

  function commasep(what, end) {

    function proceed(type) {

      if (type == ",") return cont(what, proceed);

      if (type == end) return cont();

      return cont(expect(end));

    }

    return function(type) {

      if (type == end) return cont();

      else return pass(what, proceed);

    };

  }

  function block(type) {

    if (type == "}") return cont();

    return pass(statement, block);

  }

  function vardef1(type, value) {

    if (type == "variable"){register(value); return cont(typeuse, vardef2);}

    return cont();

  }

  function vardef2(type, value) {

    if (value == "=") return cont(expression, vardef2);

    if (type == ",") return cont(vardef1);

  }

  function forspec1(type, value) {

    if (type == "variable") {

      register(value);

      return cont(forin, expression)

    } else {

      return pass()

    }

  }

  function forin(_type, value) {

    if (value == "in") return cont();

  }

  function functiondef(type, value) {

    //function names starting with upper-case letters are recognised as types, so cludging them together here.

    if (type == "variable" || type == "type") {register(value); return cont(functiondef);}

    if (value == "new") return cont(functiondef);

    if (type == "(") return cont(pushlex(")"), pushcontext, commasep(funarg, ")"), poplex, typeuse, statement, popcontext);

  }

  function typeuse(type) {

    if(type == ":") return cont(typestring);

  }

  function typestring(type) {

    if(type == "type") return cont();

    if(type == "variable") return cont();

    if(type == "{") return cont(pushlex("}"), commasep(typeprop, "}"), poplex);

  }

  function typeprop(type) {

    if(type == "variable") return cont(typeuse);

  }

  function funarg(type, value) {

    if (type == "variable") {register(value); return cont(typeuse);}

  }



  // Interface

  return {

    startState: function(basecolumn) {

      var defaulttypes = ["Int", "Float", "String", "Void", "Std", "Bool", "Dynamic", "Array"];

      var state = {

        tokenize: haxeTokenBase,

        reAllowed: true,

        kwAllowed: true,

        cc: [],

        lexical: new HaxeLexical((basecolumn || 0) - indentUnit, 0, "block", false),

        localVars: parserConfig.localVars,

        importedtypes: defaulttypes,

        context: parserConfig.localVars && {vars: parserConfig.localVars},

        indented: 0

      };

      if (parserConfig.globalVars && typeof parserConfig.globalVars == "object")

        state.globalVars = parserConfig.globalVars;

      return state;

    },



    token: function(stream, state) {

      if (stream.sol()) {

        if (!state.lexical.hasOwnProperty("align"))

          state.lexical.align = false;

        state.indented = stream.indentation();

      }

      if (stream.eatSpace()) return null;

      var style = state.tokenize(stream, state);

      if (type == "comment") return style;

      state.reAllowed = !!(type == "operator" || type == "keyword c" || type.match(/^[\[{}\(,;:]$/));

      state.kwAllowed = type != '.';

      return parseHaxe(state, style, type, content, stream);

    },



    indent: function(state, textAfter) {

      if (state.tokenize != haxeTokenBase) return 0;

      var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical;

      if (lexical.type == "stat" && firstChar == "}") lexical = lexical.prev;

      var type = lexical.type, closing = firstChar == type;

      if (type == "vardef") return lexical.indented + 4;

      else if (type == "form" && firstChar == "{") return lexical.indented;

      else if (type == "stat" || type == "form") return lexical.indented + indentUnit;

      else if (lexical.info == "switch" && !closing)

        return lexical.indented + (/^(?:case|default)\b/.test(textAfter) ? indentUnit : 2 * indentUnit);

      else if (lexical.align) return lexical.column + (closing ? 0 : 1);

      else return lexical.indented + (closing ? 0 : indentUnit);

    },



    electricChars: "{}",

    blockCommentStart: "/*",

    blockCommentEnd: "*/",

    lineComment: "//"

  };

});



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



CodeMirror.defineMode("hxml", function () {



  return {

    startState: function () {

      return {

        define: false,

        inString: false

      };

    },

    token: function (stream, state) {

      var ch = stream.peek();

      var sol = stream.sol();



      ///* comments */

      if (ch == "#") {

        stream.skipToEnd();

        return "comment";

      }

      if (sol && ch == "-") {

        var style = "variable-2";



        stream.eat(/-/);



        if (stream.peek() == "-") {

          stream.eat(/-/);

          style = "keyword a";

        }



        if (stream.peek() == "D") {

          stream.eat(/[D]/);

          style = "keyword c";

          state.define = true;

        }



        stream.eatWhile(/[A-Z]/i);

        return style;

      }



      var ch = stream.peek();



      if (state.inString == false && ch == "'") {

        state.inString = true;

        ch = stream.next();

      }



      if (state.inString == true) {

        if (stream.skipTo("'")) {



        } else {

          stream.skipToEnd();

        }



        if (stream.peek() == "'") {

          stream.next();

          state.inString = false;

        }



        return "string";

      }



      stream.next();

      return null;

    },

    lineComment: "#"

  };

});



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



});

