Merge pull request #17 from Lothar-Tradescape/global_state

Allow scripts to remember state across invocations.

Author: fornwall

src/org/eclipsescript/scriptobjects/Runtime.java

@@ -1,5 +1,8 @@
 package org.eclipsescript.scriptobjects;
 
+import java.util.HashMap;
+import java.util.Map;
+
 import org.eclipse.core.resources.IContainer;
 import org.eclipse.core.resources.IFile;
 import org.eclipse.core.resources.WorkspaceJob;
@@ -22,6 +25,7 @@
  */
 public class Runtime {
 
+	private static final Map<String, Object> globals = new HashMap<String, Object>();
 	private final IScriptRuntime scriptRuntime;
 
 	public Runtime(IScriptRuntime scriptRuntime) {
@@ -45,6 +49,10 @@ public void exit() {
 		scriptRuntime.exitRunningScript();
 	}
 
+	public synchronized Object getGlobal(String key) {
+		return globals.get(key);
+	}
+
 	public Shell getShell() {
 		return EclipseUtils.getWindowShell();
 	}
@@ -72,6 +80,10 @@ public void include(Object... includes) throws Exception {
 		}
 	}
 
+	public synchronized void putGlobal(String key, Object value) {
+		globals.put(key, value);
+	}
+
 	public void schedule(final Object objectToSchedule) {
 		final IJobRunnable runnable = scriptRuntime.adaptTo(objectToSchedule, IJobRunnable.class);
 		if (runnable == null)