runtime.js

来自「《JavaScript王者归来》examples.rar」· JavaScript 代码 · 共 169 行 · 第 1/3 页

			// code = code.replace(regExps_comments[0], "").replace(regExps_comments[1], "");
			code = code.replace(regExp_package, "$1\r\n$package(\"$5\")");
			var packageName = RegExp.$5;
			code = code.replace(regExp_import, "$1\r\nvar $7 = $import(\"$5\")");
			code = code.replace(regExp_super, "$1$class.$super$2");
			if (regExp_class.test(code)) {
				var className = RegExp.$5;
				var superName = RegExp.$7.replace(/(\s*)extends(\s+)/, "");
				var shortClassName = className;
				if (className.indexOf(".") == -1) {
					className = packageName + "." + className;
				} else {
					shortClassName = className.replace(/\w*\./g, "");
				}
				var str = "\r\nvar $class = " + className + " = function(){return $" 
					+ shortClassName + ".apply(this,arguments);};\r\nvar " 
					+ shortClassName + " = $class;\r\n";
				if (superName == "") {
					str += "$class.$extends(_JSVM_Namespace.kernel.Object);";
				} else {
					str += "$class.$extends(" + superName + ");";
				}
				str += "\r\nvar $" + shortClassName + " = function(";
				code = code.replace(regExp_class, "$1\r\n" + str);
			} else {
				throw new Exception("JSVM/compiler/jsvm2-parser.parse() "
					+ "error: can't found keyword 'class'.");
			}
			for (var i = constStrs.length - 1; i >= 0; i--) {
				code = code.replace(strings_prefix + i + strings_suffix, constStrs[i]);
			}
			return code;
		}};
	})());

	// Sets a new console for jsvm2
	JSVM.setConsole((function () {
		var printer;
		return {
			"write" : function(msg) {
				if (!printer) {
					printer = jsre.JSVM.loadClass("js.io.WebPrinter").newInstance();
					printer.prompt = "JSVM Console Output Window [Version "
						+ jsre.currentVersion + "]<br>(C) All Copyright"
						+ " 2004-2007 Homolo Co., Ltd.<br/><br/>";
				}
				printer.print(msg);
			},
			"read" : function () {
				return window.prompt("JSVM Console; Input: ");
			}
		};
	})());

});