276 lines
9.6 KiB
JavaScript
276 lines
9.6 KiB
JavaScript
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// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: https://codemirror.net/LICENSE
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(function(mod) {
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if (typeof exports == "object" && typeof module == "object") // CommonJS
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mod(require("../../lib/codemirror"));
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else if (typeof define == "function" && define.amd) // AMD
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define(["../../lib/codemirror"], mod);
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else // Plain browser env
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mod(CodeMirror);
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})(function(CodeMirror) {
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"use strict";
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CodeMirror.defineMode("vb", function(conf, parserConf) {
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var ERRORCLASS = 'error';
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function wordRegexp(words) {
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return new RegExp("^((" + words.join(")|(") + "))\\b", "i");
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}
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var singleOperators = new RegExp("^[\\+\\-\\*/%&\\\\|\\^~<>!]");
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var singleDelimiters = new RegExp('^[\\(\\)\\[\\]\\{\\}@,:`=;\\.]');
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var doubleOperators = new RegExp("^((==)|(<>)|(<=)|(>=)|(<>)|(<<)|(>>)|(//)|(\\*\\*))");
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var doubleDelimiters = new RegExp("^((\\+=)|(\\-=)|(\\*=)|(%=)|(/=)|(&=)|(\\|=)|(\\^=))");
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var tripleDelimiters = new RegExp("^((//=)|(>>=)|(<<=)|(\\*\\*=))");
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var identifiers = new RegExp("^[_A-Za-z][_A-Za-z0-9]*");
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var openingKeywords = ['class','module', 'sub','enum','select','while','if','function', 'get','set','property', 'try', 'structure', 'synclock', 'using', 'with'];
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var middleKeywords = ['else','elseif','case', 'catch', 'finally'];
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var endKeywords = ['next','loop'];
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var operatorKeywords = ['and', "andalso", 'or', 'orelse', 'xor', 'in', 'not', 'is', 'isnot', 'like'];
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var wordOperators = wordRegexp(operatorKeywords);
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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"];
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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'];
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var keywords = wordRegexp(commonKeywords);
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var types = wordRegexp(commontypes);
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var stringPrefixes = '"';
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var opening = wordRegexp(openingKeywords);
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var middle = wordRegexp(middleKeywords);
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var closing = wordRegexp(endKeywords);
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var doubleClosing = wordRegexp(['end']);
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var doOpening = wordRegexp(['do']);
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var indentInfo = null;
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CodeMirror.registerHelper("hintWords", "vb", openingKeywords.concat(middleKeywords).concat(endKeywords)
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.concat(operatorKeywords).concat(commonKeywords).concat(commontypes));
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function indent(_stream, state) {
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state.currentIndent++;
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}
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function dedent(_stream, state) {
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state.currentIndent--;
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}
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// tokenizers
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function tokenBase(stream, state) {
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if (stream.eatSpace()) {
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return null;
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}
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var ch = stream.peek();
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// Handle Comments
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if (ch === "'") {
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stream.skipToEnd();
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return 'comment';
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}
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// Handle Number Literals
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if (stream.match(/^((&H)|(&O))?[0-9\.a-f]/i, false)) {
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var floatLiteral = false;
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// Floats
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if (stream.match(/^\d*\.\d+F?/i)) { floatLiteral = true; }
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else if (stream.match(/^\d+\.\d*F?/)) { floatLiteral = true; }
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else if (stream.match(/^\.\d+F?/)) { floatLiteral = true; }
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if (floatLiteral) {
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// Float literals may be "imaginary"
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stream.eat(/J/i);
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return 'number';
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}
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// Integers
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var intLiteral = false;
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// Hex
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if (stream.match(/^&H[0-9a-f]+/i)) { intLiteral = true; }
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// Octal
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else if (stream.match(/^&O[0-7]+/i)) { intLiteral = true; }
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// Decimal
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else if (stream.match(/^[1-9]\d*F?/)) {
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// Decimal literals may be "imaginary"
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stream.eat(/J/i);
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// TODO - Can you have imaginary longs?
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intLiteral = true;
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}
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// Zero by itself with no other piece of number.
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else if (stream.match(/^0(?![\dx])/i)) { intLiteral = true; }
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if (intLiteral) {
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// Integer literals may be "long"
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stream.eat(/L/i);
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return 'number';
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}
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}
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// Handle Strings
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if (stream.match(stringPrefixes)) {
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state.tokenize = tokenStringFactory(stream.current());
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return state.tokenize(stream, state);
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}
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// Handle operators and Delimiters
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if (stream.match(tripleDelimiters) || stream.match(doubleDelimiters)) {
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return null;
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}
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if (stream.match(doubleOperators)
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|| stream.match(singleOperators)
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|| stream.match(wordOperators)) {
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return 'operator';
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}
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if (stream.match(singleDelimiters)) {
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return null;
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}
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if (stream.match(doOpening)) {
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indent(stream,state);
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state.doInCurrentLine = true;
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return 'keyword';
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}
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if (stream.match(opening)) {
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if (! state.doInCurrentLine)
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indent(stream,state);
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else
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state.doInCurrentLine = false;
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return 'keyword';
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}
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if (stream.match(middle)) {
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return 'keyword';
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}
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if (stream.match(doubleClosing)) {
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dedent(stream,state);
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dedent(stream,state);
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return 'keyword';
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}
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if (stream.match(closing)) {
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dedent(stream,state);
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return 'keyword';
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}
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if (stream.match(types)) {
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return 'keyword';
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}
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if (stream.match(keywords)) {
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return 'keyword';
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}
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if (stream.match(identifiers)) {
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return 'variable';
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}
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// Handle non-detected items
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stream.next();
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return ERRORCLASS;
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}
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function tokenStringFactory(delimiter) {
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var singleline = delimiter.length == 1;
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var OUTCLASS = 'string';
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return function(stream, state) {
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while (!stream.eol()) {
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stream.eatWhile(/[^'"]/);
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if (stream.match(delimiter)) {
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state.tokenize = tokenBase;
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return OUTCLASS;
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} else {
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stream.eat(/['"]/);
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}
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}
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if (singleline) {
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if (parserConf.singleLineStringErrors) {
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return ERRORCLASS;
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} else {
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state.tokenize = tokenBase;
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}
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}
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return OUTCLASS;
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};
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}
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function tokenLexer(stream, state) {
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var style = state.tokenize(stream, state);
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var current = stream.current();
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// Handle '.' connected identifiers
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if (current === '.') {
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style = state.tokenize(stream, state);
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if (style === 'variable') {
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return 'variable';
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} else {
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return ERRORCLASS;
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}
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}
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var delimiter_index = '[({'.indexOf(current);
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if (delimiter_index !== -1) {
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indent(stream, state );
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}
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if (indentInfo === 'dedent') {
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if (dedent(stream, state)) {
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return ERRORCLASS;
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}
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}
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delimiter_index = '])}'.indexOf(current);
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if (delimiter_index !== -1) {
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if (dedent(stream, state)) {
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return ERRORCLASS;
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}
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}
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return style;
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}
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var external = {
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electricChars:"dDpPtTfFeE ",
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startState: function() {
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return {
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tokenize: tokenBase,
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lastToken: null,
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currentIndent: 0,
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nextLineIndent: 0,
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doInCurrentLine: false
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};
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},
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token: function(stream, state) {
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if (stream.sol()) {
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state.currentIndent += state.nextLineIndent;
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state.nextLineIndent = 0;
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state.doInCurrentLine = 0;
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}
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var style = tokenLexer(stream, state);
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state.lastToken = {style:style, content: stream.current()};
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return style;
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},
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indent: function(state, textAfter) {
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var trueText = textAfter.replace(/^\s+|\s+$/g, '') ;
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if (trueText.match(closing) || trueText.match(doubleClosing) || trueText.match(middle)) return conf.indentUnit*(state.currentIndent-1);
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if(state.currentIndent < 0) return 0;
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return state.currentIndent * conf.indentUnit;
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},
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lineComment: "'"
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};
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return external;
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});
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CodeMirror.defineMIME("text/x-vb", "vb");
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});
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