EvalCommand.java

/**
 *
 */
package org.eclipse.dltk.rhino.dbgp;

import java.util.HashMap;

final class EvalCommand extends DBGPDebugger.Command {
	/**
	 *
	 */
	private final DBGPDebugger debugger;

	/**
	 * @param debugger
	 */
	EvalCommand(DBGPDebugger debugger) {
		this.debugger = debugger;
	}

	@Override
	void parseAndExecute(String command, HashMap options) {
		String value = Base64Helper.decodeString((String) options.get("--"));
		if (value.length() == 0)
			value = "this";
		StringBuffer valueBuffer = new StringBuffer();
		if (this.debugger.stackmanager.getStackDepth() == 0 || value == null) {
			this.debugger.printProperty(value, value, "", valueBuffer, 0, true);
			this.debugger.printResponse(
					"<response command=\"eval\"\r\n" + " transaction_id=\""
							+ options.get("-i") + "\" success=\"1\" " + ">\r\n"
							+ valueBuffer + "</response>\r\n" + "");
			return;
		}
		Object evaluated = "<error evaluating>";
		try {
			DBGPDebugFrame fr = this.debugger.stackmanager.getStackFrame(0);
			evaluated = fr.eval(value);
		} catch (Exception e) {
			e.printStackTrace();
		}
		String shName = value;
		int k = shName.lastIndexOf('.');
		if (k != -1) {
			shName = shName.substring(k + 1);
		}
		this.debugger.printProperty(shName, value, evaluated, valueBuffer, 0,
				true);
		this.debugger.printResponse("<response command=\"eval\"\r\n"
				+ " transaction_id=\"" + options.get("-i") + "\" success=\"1\" "
				+ ">\r\n" + valueBuffer + "</response>\r\n" + "");
	}
}