fragment = org.eclipse.xtext.generator.parser.antlr.ex.rt.AntlrGeneratorFragment {
				antlrParam = "-Xconversiontimeout"
				antlrParam = "30000"
			    options = {
			        backtrack = true
			        backtrackLexer = false
			    }
			}
			
			// Uses ANTLR Tools to compile a custom lexer and will also add a binding in the runtime module to use the Lexer
			fragment = parser.antlr.ex.ExternalAntlrLexerFragment {
			    // A grammar file with .g will be expected in this package (should be stored in src folder)
			    lexerGrammar = "com.group.xxx.xtext.customlexer.CustomEditorLexer"
			    runtime = true
			    antlrParam = "-lib"
			    // This is the folder where the lexer will be created
			    antlrParam = "${runtimeProject}/src-gen/com/group/xxx/xtext/customlexer"

                  language = StandardLanguage {
			name = "com.group.xxx.xtext.Editor"
			fileExtensions = "xxx"

			serializer = {
				generateStub = false
			}
			
			parserGenerator = {
				combinedGrammar = false
			    antlrParam = "com.group.xxx.xtext/src/com/group/xxx/xtext/customlexer"
				options = {
					backtrack = true
			        backtrackLexer = false
				}
			}
}

fragment = org.eclipse.xtext.generator.adapter.FragmentAdapter {
	fragment = parser.antlr.ex.ExternalAntlrLexerFragment {
		// A grammar file with .g will be expected in this package (should be stored in src folder)
		lexerGrammar = "com.group.xxx.xtext.customlexer.CustomEditorLexer"
		runtime = true
		antlrParam = "-lib"
		// This is the folder where the lexer will be created
		antlrParam = "${runtimeProject}/src-gen/com/group/xxx/xtext/customlexer"
	}
}