1// CodeMirror, copyright (c) by Marijn Haverbeke and others
  2// Distributed under an MIT license: https://codemirror.net/LICENSE
  3
  4(function(mod) {
  5  if (typeof exports == "object" && typeof module == "object") // CommonJS
  6    mod(require("../../lib/codemirror"));
  7  else if (typeof define == "function" && define.amd) // AMD
  8    define(["../../lib/codemirror"], mod);
  9  else // Plain browser env
 10    mod(CodeMirror);
 11})(function(CodeMirror) {
 12"use strict";
 13
 14CodeMirror.defineMode("vb", function(conf, parserConf) {
 15    var ERRORCLASS = 'error';
 16
 17    function wordRegexp(words) {
 18        return new RegExp("^((" + words.join(")|(") + "))\\b", "i");
 19    }
 20
 21    var singleOperators = new RegExp("^[\\+\\-\\*/%&\\\\|\\^~<>!]");
 22    var singleDelimiters = new RegExp('^[\\(\\)\\[\\]\\{\\}@,:`=;\\.]');
 23    var doubleOperators = new RegExp("^((==)|(<>)|(<=)|(>=)|(<>)|(<<)|(>>)|(//)|(\\*\\*))");
 24    var doubleDelimiters = new RegExp("^((\\+=)|(\\-=)|(\\*=)|(%=)|(/=)|(&=)|(\\|=)|(\\^=))");
 25    var tripleDelimiters = new RegExp("^((//=)|(>>=)|(<<=)|(\\*\\*=))");
 26    var identifiers = new RegExp("^[_A-Za-z][_A-Za-z0-9]*");
 27
 28    var openingKeywords = ['class','module', 'sub','enum','select','while','if','function', 'get','set','property', 'try', 'structure', 'synclock', 'using', 'with'];
 29    var middleKeywords = ['else','elseif','case', 'catch', 'finally'];
 30    var endKeywords = ['next','loop'];
 31
 32    var operatorKeywords = ['and', "andalso", 'or', 'orelse', 'xor', 'in', 'not', 'is', 'isnot', 'like'];
 33    var wordOperators = wordRegexp(operatorKeywords);
 34
 35    var commonKeywords = ["#const", "#else", "#elseif", "#end", "#if", "#region", "addhandler", "addressof", "alias", "as", "byref", "byval", "cbool", "cbyte", "cchar", "cdate", "cdbl", "cdec", "cint", "clng", "cobj", "compare", "const", "continue", "csbyte", "cshort", "csng", "cstr", "cuint", "culng", "cushort", "declare", "default", "delegate", "dim", "directcast", "each", "erase", "error", "event", "exit", "explicit", "false", "for", "friend", "gettype", "goto", "handles", "implements", "imports", "infer", "inherits", "interface", "isfalse", "istrue", "lib", "me", "mod", "mustinherit", "mustoverride", "my", "mybase", "myclass", "namespace", "narrowing", "new", "nothing", "notinheritable", "notoverridable", "of", "off", "on", "operator", "option", "optional", "out", "overloads", "overridable", "overrides", "paramarray", "partial", "private", "protected", "public", "raiseevent", "readonly", "redim", "removehandler", "resume", "return", "shadows", "shared", "static", "step", "stop", "strict", "then", "throw", "to", "true", "trycast", "typeof", "until", "until", "when", "widening", "withevents", "writeonly"];
 36
 37    var commontypes = ['object', 'boolean', 'char', 'string', 'byte', 'sbyte', 'short', 'ushort', 'int16', 'uint16', 'integer', 'uinteger', 'int32', 'uint32', 'long', 'ulong', 'int64', 'uint64', 'decimal', 'single', 'double', 'float', 'date', 'datetime', 'intptr', 'uintptr'];
 38
 39    var keywords = wordRegexp(commonKeywords);
 40    var types = wordRegexp(commontypes);
 41    var stringPrefixes = '"';
 42
 43    var opening = wordRegexp(openingKeywords);
 44    var middle = wordRegexp(middleKeywords);
 45    var closing = wordRegexp(endKeywords);
 46    var doubleClosing = wordRegexp(['end']);
 47    var doOpening = wordRegexp(['do']);
 48
 49    var indentInfo = null;
 50
 51    CodeMirror.registerHelper("hintWords", "vb", openingKeywords.concat(middleKeywords).concat(endKeywords)
 52                                .concat(operatorKeywords).concat(commonKeywords).concat(commontypes));
 53
 54    function indent(_stream, state) {
 55      state.currentIndent++;
 56    }
 57
 58    function dedent(_stream, state) {
 59      state.currentIndent--;
 60    }
 61    // tokenizers
 62    function tokenBase(stream, state) {
 63        if (stream.eatSpace()) {
 64            return null;
 65        }
 66
 67        var ch = stream.peek();
 68
 69        // Handle Comments
 70        if (ch === "'") {
 71            stream.skipToEnd();
 72            return 'comment';
 73        }
 74
 75
 76        // Handle Number Literals
 77        if (stream.match(/^((&H)|(&O))?[0-9\.a-f]/i, false)) {
 78            var floatLiteral = false;
 79            // Floats
 80            if (stream.match(/^\d*\.\d+F?/i)) { floatLiteral = true; }
 81            else if (stream.match(/^\d+\.\d*F?/)) { floatLiteral = true; }
 82            else if (stream.match(/^\.\d+F?/)) { floatLiteral = true; }
 83
 84            if (floatLiteral) {
 85                // Float literals may be "imaginary"
 86                stream.eat(/J/i);
 87                return 'number';
 88            }
 89            // Integers
 90            var intLiteral = false;
 91            // Hex
 92            if (stream.match(/^&H[0-9a-f]+/i)) { intLiteral = true; }
 93            // Octal
 94            else if (stream.match(/^&O[0-7]+/i)) { intLiteral = true; }
 95            // Decimal
 96            else if (stream.match(/^[1-9]\d*F?/)) {
 97                // Decimal literals may be "imaginary"
 98                stream.eat(/J/i);
 99                // TODO - Can you have imaginary longs?
100                intLiteral = true;
101            }
102            // Zero by itself with no other piece of number.
103            else if (stream.match(/^0(?![\dx])/i)) { intLiteral = true; }
104            if (intLiteral) {
105                // Integer literals may be "long"
106                stream.eat(/L/i);
107                return 'number';
108            }
109        }
110
111        // Handle Strings
112        if (stream.match(stringPrefixes)) {
113            state.tokenize = tokenStringFactory(stream.current());
114            return state.tokenize(stream, state);
115        }
116
117        // Handle operators and Delimiters
118        if (stream.match(tripleDelimiters) || stream.match(doubleDelimiters)) {
119            return null;
120        }
121        if (stream.match(doubleOperators)
122            || stream.match(singleOperators)
123            || stream.match(wordOperators)) {
124            return 'operator';
125        }
126        if (stream.match(singleDelimiters)) {
127            return null;
128        }
129        if (stream.match(doOpening)) {
130            indent(stream,state);
131            state.doInCurrentLine = true;
132            return 'keyword';
133        }
134        if (stream.match(opening)) {
135            if (! state.doInCurrentLine)
136              indent(stream,state);
137            else
138              state.doInCurrentLine = false;
139            return 'keyword';
140        }
141        if (stream.match(middle)) {
142            return 'keyword';
143        }
144
145        if (stream.match(doubleClosing)) {
146            dedent(stream,state);
147            dedent(stream,state);
148            return 'keyword';
149        }
150        if (stream.match(closing)) {
151            dedent(stream,state);
152            return 'keyword';
153        }
154
155        if (stream.match(types)) {
156            return 'keyword';
157        }
158
159        if (stream.match(keywords)) {
160            return 'keyword';
161        }
162
163        if (stream.match(identifiers)) {
164            return 'variable';
165        }
166
167        // Handle non-detected items
168        stream.next();
169        return ERRORCLASS;
170    }
171
172    function tokenStringFactory(delimiter) {
173        var singleline = delimiter.length == 1;
174        var OUTCLASS = 'string';
175
176        return function(stream, state) {
177            while (!stream.eol()) {
178                stream.eatWhile(/[^'"]/);
179                if (stream.match(delimiter)) {
180                    state.tokenize = tokenBase;
181                    return OUTCLASS;
182                } else {
183                    stream.eat(/['"]/);
184                }
185            }
186            if (singleline) {
187                if (parserConf.singleLineStringErrors) {
188                    return ERRORCLASS;
189                } else {
190                    state.tokenize = tokenBase;
191                }
192            }
193            return OUTCLASS;
194        };
195    }
196
197
198    function tokenLexer(stream, state) {
199        var style = state.tokenize(stream, state);
200        var current = stream.current();
201
202        // Handle '.' connected identifiers
203        if (current === '.') {
204            style = state.tokenize(stream, state);
205            if (style === 'variable') {
206                return 'variable';
207            } else {
208                return ERRORCLASS;
209            }
210        }
211
212
213        var delimiter_index = '[({'.indexOf(current);
214        if (delimiter_index !== -1) {
215            indent(stream, state );
216        }
217        if (indentInfo === 'dedent') {
218            if (dedent(stream, state)) {
219                return ERRORCLASS;
220            }
221        }
222        delimiter_index = '])}'.indexOf(current);
223        if (delimiter_index !== -1) {
224            if (dedent(stream, state)) {
225                return ERRORCLASS;
226            }
227        }
228
229        return style;
230    }
231
232    var external = {
233        electricChars:"dDpPtTfFeE ",
234        startState: function() {
235            return {
236              tokenize: tokenBase,
237              lastToken: null,
238              currentIndent: 0,
239              nextLineIndent: 0,
240              doInCurrentLine: false
241
242
243          };
244        },
245
246        token: function(stream, state) {
247            if (stream.sol()) {
248              state.currentIndent += state.nextLineIndent;
249              state.nextLineIndent = 0;
250              state.doInCurrentLine = 0;
251            }
252            var style = tokenLexer(stream, state);
253
254            state.lastToken = {style:style, content: stream.current()};
255
256
257
258            return style;
259        },
260
261        indent: function(state, textAfter) {
262            var trueText = textAfter.replace(/^\s+|\s+$/g, '') ;
263            if (trueText.match(closing) || trueText.match(doubleClosing) || trueText.match(middle)) return conf.indentUnit*(state.currentIndent-1);
264            if(state.currentIndent < 0) return 0;
265            return state.currentIndent * conf.indentUnit;
266        },
267
268        lineComment: "'"
269    };
270    return external;
271});
272
273CodeMirror.defineMIME("text/x-vb", "vb");
274
275});