Show More
vb.js
276 lines
| 8.6 KiB
| application/javascript
|
JavascriptLexer
r1 | // 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("vb", function(conf, parserConf) { | ||||
var ERRORCLASS = 'error'; | ||||
function wordRegexp(words) { | ||||
return new RegExp("^((" + words.join(")|(") + "))\\b", "i"); | ||||
} | ||||
var singleOperators = new RegExp("^[\\+\\-\\*/%&\\\\|\\^~<>!]"); | ||||
var singleDelimiters = new RegExp('^[\\(\\)\\[\\]\\{\\}@,:`=;\\.]'); | ||||
var doubleOperators = new RegExp("^((==)|(<>)|(<=)|(>=)|(<>)|(<<)|(>>)|(//)|(\\*\\*))"); | ||||
var doubleDelimiters = new RegExp("^((\\+=)|(\\-=)|(\\*=)|(%=)|(/=)|(&=)|(\\|=)|(\\^=))"); | ||||
var tripleDelimiters = new RegExp("^((//=)|(>>=)|(<<=)|(\\*\\*=))"); | ||||
var identifiers = new RegExp("^[_A-Za-z][_A-Za-z0-9]*"); | ||||
var openingKeywords = ['class','module', 'sub','enum','select','while','if','function', 'get','set','property', 'try']; | ||||
var middleKeywords = ['else','elseif','case', 'catch']; | ||||
var endKeywords = ['next','loop']; | ||||
var operatorKeywords = ['and', 'or', 'not', 'xor', 'in']; | ||||
var wordOperators = wordRegexp(operatorKeywords); | ||||
var commonKeywords = ['as', 'dim', 'break', 'continue','optional', 'then', 'until', | ||||
'goto', 'byval','byref','new','handles','property', 'return', | ||||
'const','private', 'protected', 'friend', 'public', 'shared', 'static', 'true','false']; | ||||
var commontypes = ['integer','string','double','decimal','boolean','short','char', 'float','single']; | ||||
var keywords = wordRegexp(commonKeywords); | ||||
var types = wordRegexp(commontypes); | ||||
var stringPrefixes = '"'; | ||||
var opening = wordRegexp(openingKeywords); | ||||
var middle = wordRegexp(middleKeywords); | ||||
var closing = wordRegexp(endKeywords); | ||||
var doubleClosing = wordRegexp(['end']); | ||||
var doOpening = wordRegexp(['do']); | ||||
var indentInfo = null; | ||||
CodeMirror.registerHelper("hintWords", "vb", openingKeywords.concat(middleKeywords).concat(endKeywords) | ||||
.concat(operatorKeywords).concat(commonKeywords).concat(commontypes)); | ||||
function indent(_stream, state) { | ||||
state.currentIndent++; | ||||
} | ||||
function dedent(_stream, state) { | ||||
state.currentIndent--; | ||||
} | ||||
// tokenizers | ||||
function tokenBase(stream, state) { | ||||
if (stream.eatSpace()) { | ||||
return null; | ||||
} | ||||
var ch = stream.peek(); | ||||
// Handle Comments | ||||
if (ch === "'") { | ||||
stream.skipToEnd(); | ||||
return 'comment'; | ||||
} | ||||
// Handle Number Literals | ||||
if (stream.match(/^((&H)|(&O))?[0-9\.a-f]/i, false)) { | ||||
var floatLiteral = false; | ||||
// Floats | ||||
if (stream.match(/^\d*\.\d+F?/i)) { floatLiteral = true; } | ||||
else if (stream.match(/^\d+\.\d*F?/)) { floatLiteral = true; } | ||||
else if (stream.match(/^\.\d+F?/)) { floatLiteral = true; } | ||||
if (floatLiteral) { | ||||
// Float literals may be "imaginary" | ||||
stream.eat(/J/i); | ||||
return 'number'; | ||||
} | ||||
// Integers | ||||
var intLiteral = false; | ||||
// Hex | ||||
if (stream.match(/^&H[0-9a-f]+/i)) { intLiteral = true; } | ||||
// Octal | ||||
else if (stream.match(/^&O[0-7]+/i)) { intLiteral = true; } | ||||
// Decimal | ||||
else if (stream.match(/^[1-9]\d*F?/)) { | ||||
// Decimal literals may be "imaginary" | ||||
stream.eat(/J/i); | ||||
// TODO - Can you have imaginary longs? | ||||
intLiteral = true; | ||||
} | ||||
// Zero by itself with no other piece of number. | ||||
else if (stream.match(/^0(?![\dx])/i)) { intLiteral = true; } | ||||
if (intLiteral) { | ||||
// Integer literals may be "long" | ||||
stream.eat(/L/i); | ||||
return 'number'; | ||||
} | ||||
} | ||||
// Handle Strings | ||||
if (stream.match(stringPrefixes)) { | ||||
state.tokenize = tokenStringFactory(stream.current()); | ||||
return state.tokenize(stream, state); | ||||
} | ||||
// Handle operators and Delimiters | ||||
if (stream.match(tripleDelimiters) || stream.match(doubleDelimiters)) { | ||||
return null; | ||||
} | ||||
if (stream.match(doubleOperators) | ||||
|| stream.match(singleOperators) | ||||
|| stream.match(wordOperators)) { | ||||
return 'operator'; | ||||
} | ||||
if (stream.match(singleDelimiters)) { | ||||
return null; | ||||
} | ||||
if (stream.match(doOpening)) { | ||||
indent(stream,state); | ||||
state.doInCurrentLine = true; | ||||
return 'keyword'; | ||||
} | ||||
if (stream.match(opening)) { | ||||
if (! state.doInCurrentLine) | ||||
indent(stream,state); | ||||
else | ||||
state.doInCurrentLine = false; | ||||
return 'keyword'; | ||||
} | ||||
if (stream.match(middle)) { | ||||
return 'keyword'; | ||||
} | ||||
if (stream.match(doubleClosing)) { | ||||
dedent(stream,state); | ||||
dedent(stream,state); | ||||
return 'keyword'; | ||||
} | ||||
if (stream.match(closing)) { | ||||
dedent(stream,state); | ||||
return 'keyword'; | ||||
} | ||||
if (stream.match(types)) { | ||||
return 'keyword'; | ||||
} | ||||
if (stream.match(keywords)) { | ||||
return 'keyword'; | ||||
} | ||||
if (stream.match(identifiers)) { | ||||
return 'variable'; | ||||
} | ||||
// Handle non-detected items | ||||
stream.next(); | ||||
return ERRORCLASS; | ||||
} | ||||
function tokenStringFactory(delimiter) { | ||||
var singleline = delimiter.length == 1; | ||||
var OUTCLASS = 'string'; | ||||
return function(stream, state) { | ||||
while (!stream.eol()) { | ||||
stream.eatWhile(/[^'"]/); | ||||
if (stream.match(delimiter)) { | ||||
state.tokenize = tokenBase; | ||||
return OUTCLASS; | ||||
} else { | ||||
stream.eat(/['"]/); | ||||
} | ||||
} | ||||
if (singleline) { | ||||
if (parserConf.singleLineStringErrors) { | ||||
return ERRORCLASS; | ||||
} else { | ||||
state.tokenize = tokenBase; | ||||
} | ||||
} | ||||
return OUTCLASS; | ||||
}; | ||||
} | ||||
function tokenLexer(stream, state) { | ||||
var style = state.tokenize(stream, state); | ||||
var current = stream.current(); | ||||
// Handle '.' connected identifiers | ||||
if (current === '.') { | ||||
style = state.tokenize(stream, state); | ||||
current = stream.current(); | ||||
if (style === 'variable') { | ||||
return 'variable'; | ||||
} else { | ||||
return ERRORCLASS; | ||||
} | ||||
} | ||||
var delimiter_index = '[({'.indexOf(current); | ||||
if (delimiter_index !== -1) { | ||||
indent(stream, state ); | ||||
} | ||||
if (indentInfo === 'dedent') { | ||||
if (dedent(stream, state)) { | ||||
return ERRORCLASS; | ||||
} | ||||
} | ||||
delimiter_index = '])}'.indexOf(current); | ||||
if (delimiter_index !== -1) { | ||||
if (dedent(stream, state)) { | ||||
return ERRORCLASS; | ||||
} | ||||
} | ||||
return style; | ||||
} | ||||
var external = { | ||||
electricChars:"dDpPtTfFeE ", | ||||
startState: function() { | ||||
return { | ||||
tokenize: tokenBase, | ||||
lastToken: null, | ||||
currentIndent: 0, | ||||
nextLineIndent: 0, | ||||
doInCurrentLine: false | ||||
}; | ||||
}, | ||||
token: function(stream, state) { | ||||
if (stream.sol()) { | ||||
state.currentIndent += state.nextLineIndent; | ||||
state.nextLineIndent = 0; | ||||
state.doInCurrentLine = 0; | ||||
} | ||||
var style = tokenLexer(stream, state); | ||||
state.lastToken = {style:style, content: stream.current()}; | ||||
return style; | ||||
}, | ||||
indent: function(state, textAfter) { | ||||
var trueText = textAfter.replace(/^\s+|\s+$/g, '') ; | ||||
if (trueText.match(closing) || trueText.match(doubleClosing) || trueText.match(middle)) return conf.indentUnit*(state.currentIndent-1); | ||||
if(state.currentIndent < 0) return 0; | ||||
return state.currentIndent * conf.indentUnit; | ||||
}, | ||||
lineComment: "'" | ||||
}; | ||||
return external; | ||||
}); | ||||
CodeMirror.defineMIME("text/x-vb", "vb"); | ||||
}); | ||||