1 files changed, 62 insertions, 0 deletions
diff --git a/plugins/org.eclipse.xtend/src/org/eclipse/internal/xtend/expression/ast/GlobalVarExpression.java b/plugins/org.eclipse.xtend/src/org/eclipse/internal/xtend/expression/ast/GlobalVarExpression.java
new file mode 100644
index 00000000..f90e2e70
--- /dev/null
+++ b/plugins/org.eclipse.xtend/src/org/eclipse/internal/xtend/expression/ast/GlobalVarExpression.java
@@ -0,0 +1,62 @@
+/*
+ * <copyright>
+ *
+ * Copyright (c) 2005-2006 Sven Efftinge (http://www.efftinge.de) 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
+ *
+ * Contributors:
+ *     Sven Efftinge (http://www.efftinge.de) - Initial API and implementation
+ *
+ * </copyright>
+ */
+package org.eclipse.internal.xtend.expression.ast;
+
+import java.util.Set;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.eclipse.xtend.expression.AnalysationIssue;
+import org.eclipse.xtend.expression.ExecutionContext;
+import org.eclipse.xtend.expression.Variable;
+import org.eclipse.xtend.typesystem.Type;
+
+/**
+ * @author Sven Efftinge (http://www.efftinge.de)
+ * @author Arno Haase
+ * @author Bernd Kolb
+ */
+public class GlobalVarExpression extends Expression {
+    private Log logger = LogFactory.getLog(getClass());
+    private Identifier globalVarName;
+
+    public GlobalVarExpression(final Identifier globalVarName) {
+        this.globalVarName = globalVarName;
+    }
+
+    public String getVarName () {
+        return globalVarName.getValue();
+    }
+    
+    @Override
+    public Object evaluateInternal(final ExecutionContext ctx) {
+        Variable o = ctx.getGlobalVariables().get(globalVarName.getValue());
+        if (o==null) {
+            logger.warn("Global variable '"+globalVarName.getValue()+"' is null. Is it configured?");
+            return null;
+        }
+        return o.getValue();
+    }
+
+    public Type analyze(final ExecutionContext ctx, final Set<AnalysationIssue> issues) {
+        return ctx.getObjectType();
+    }
+    
+    @Override
+	protected String toStringInternal() {
+    	return "var "+globalVarName.getValue();
+    }
+
+}