// Copyright (c) 2011 itemis AG (http://www.itemis.eu) and others.
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// which accompanies this distribution, and is available at
// http://www.eclipse.org/legal/epl-v10.html


/**
 * @fileoverview
 * Registers a language handler for a language.
 *
 * @author Holger Schill
 */

 
registerLanguage('grammar|import|generate|terminal|enum|returns|with|hidden|as|current|fragment|EOF', 'xtext');
registerLanguage('extends|super|instanceof|as|new|null|false|true|val|var|if|else|switch|case|default|do|while|for|typeof|throw|try|catch|finally|this|it|self|int|boolean|short|char|double|float|long|byte|void|return|import|static|extension', 'xbase');
registerLanguage('module|var|auto-inject|auto|inject|import|true|false', 'mwe2');
registerLanguage('IMPORT|EXTENSION|FILE|ENDFILE|DEFINE|ENDDEFINE|FOR|ENDFOR|FOREACH|ENDFOREACH|AS|SEPARATOR|ITERATOR|EXPAND|REM|ENDREM|PROTECT|ENDPROTECT|this|IF|ENDIF|ELSE|null', 'xpand');
registerLanguage('import|extension|this|create|cached|true|false|let|switch|case|if|then|else|context|WARNING|ERROR', 'check');
registerLanguage('Hello', 'mydsl');
registerLanguage('package|entity|datatype|many|import|extends|public|op|return|mapped-to', 'domainexample');
registerLanguage('datatype|mapped-to', 'javatypesexample');
registerLanguage('events|commands|state|actions|end|resetEvents', 'fowlerexample');
registerLanguage('ref', 'linkingexample');
registerLanguage('extends|super|instanceof|as|new|null|false|true|val|var|if|else|switch|case|default|do|while|for|typeof|throw|try|catch|finally|this|it|int|boolean|short|char|double|float|long|byte|void|return|package|import', 'mongobeans');
registerLanguage('extends|super|instanceof|as|new|null|false|true|val|var|if|else|switch|case|default|do|while|for|typeof|throw|try|catch|finally|this|it|int|boolean|short|char|double|float|long|byte|void|return|sub|begin|end', 'tortoise');
registerLanguage('inject|extends|super|instanceof|as|new|null|false|true|val|var|if|else|switch|case|default|do|while|for|typeof|throw|try|catch|finally|this|it|int|boolean|short|char|double|float|long|byte|void|return|GET|POST|PUT|DELETE|HEAD|import|when', 'routing');
registerLanguage('super|instanceof|as|new|null|false|true|val|var|if|else|switch|case|default|do|while|for|typeof|throw|try|catch|finally|this|it|int|boolean|short|char|double|float|long|byte|void|return', 'scripting');
registerLanguage('to-instance|bind|to|mixin|super|instanceof|as|new|null|false|true|val|var|if|else|switch|case|default|do|while|for|typeof|throw|try|catch|finally|this|it|int|boolean|short|char|double|float|long|byte|void|return', 'guice');
registerLanguage('extends|super|instanceof|as|new|null|false|true|val|var|if|else|switch|case|default|do|while|for|typeof|throw|try|catch|finally|this|it|int|boolean|short|char|double|float|long|byte|void|return|package|import|param|task|depends', 'builddsl');
registerLanguage('extends|super|instanceof|as|new|null|false|true|val|var|if|else|switch|case|default|do|while|for|typeof|throw|try|catch|finally|this|it|int|boolean|short|char|double|float|long|byte|void|return|package|import|param|FOR|ENDFOR|IF|ELSE|ENDIF', 'templates');


function registerLanguage(keywords, langName) {
	var shortCut = commonLangShortCut();
	var simple = commonLangSimple(keywords);
	PR['registerLangHandler'](
		    PR['createSimpleLexer'](shortCut, simple), [langName]);
		    	 
}

function commonLangShortCut(){
	return [
     // Whitespace
    [PR['PR_PLAIN'],       /^[\t\n\r \xA0]+/, null, '\t\n\r \xA0'],
    [PR['PR_PUNCTUATION'], /^[!#%&()*+,\-:;<=>?@\[\\\]^{|}~]+/, null, '!#%&()*+,-:;<=>?@[\\]^{|}~']
   ];
}
function commonLangSimple(keywords){
   return [
    // A double or single quoted, possibly multi-line, string. ''' excluded for template expressions
    [PR['PR_STRING'],        /^(?:"(?:[^\"\\]|\\.)*"|'(?!\'\')(?:[^\'\\]|\\.)*')/],
    // A symbol literal is a single quote followed by an identifier with no
    // single quote following
    // A character literal has single quotes on either side
    [PR['PR_STRING'],      /^'(?:[^\r\n\\']|\\(?:'|[^\r\n']+))'/],
    [PR['PR_LITERAL'],     /^'[a-zA-Z_$][\w$]*(?!['$\w])/],
    // Include all keywords
    [PR['PR_KEYWORD'],     new RegExp('^(?:' + keywords + ')\\b')],
    [PR['PR_LITERAL'],     /^(?:true|false|null|this|it)\b/],
    [PR['PR_LITERAL'],     /^(?:(?:0(?:[0-7]+|X[0-9A-F]+))L?|(?:(?:0|[1-9][0-9]*)(?:(?:\.[0-9]+)?(?:E[+\-]?[0-9]+)?F?|L?))|\\.[0-9]+(?:E[+\-]?[0-9]+)?F?)/i],
    // Treat upper camel case identifiers as types.
    [PR['PR_TYPE'],        /^[$_]*[A-Z][_$A-Z0-9]*[a-z][\w$]*/],
    [PR['PR_PLAIN'],       /^[$a-zA-Z_][\w$]*/],
    [PR['PR_COMMENT'],     /^\/(?:\/.*|\*(?:\/|\**[^*/])*(?:\*+\/?)?)/],
    [PR['PR_PUNCTUATION'], /^(?:\.+|\/)/],
    // Template expressions
    [PR['PR_STRING'], /^((\'\'\'|\u00BB)([\s\S]*?)(\'\'\'|\u00AB))/]
   ];
}