1 files changed, 72 insertions, 0 deletions
diff --git a/org.eclipse.cdt.codan.extension/src/org/eclipse/cdt/codan/extension/ESSimplifier.java b/org.eclipse.cdt.codan.extension/src/org/eclipse/cdt/codan/extension/ESSimplifier.java
new file mode 100644
index 0000000..3b62b87
--- /dev/null
+++ b/org.eclipse.cdt.codan.extension/src/org/eclipse/cdt/codan/extension/ESSimplifier.java
@@ -0,0 +1,72 @@
+/*******************************************************************************
+ * Copyright (c) 2009 Elliott Baron
+ * 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:
+ *    Elliott Baron - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.cdt.codan.extension;
+
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+import org.eclipse.cdt.codan.extension.Minterm.Value;
+import org.eclipse.cdt.core.dom.ast.IVariable;
+
+public class ESSimplifier extends QuineMcCluskeySimplifier<IVariable> {
+
+	public ESSimplifier(ITruthTable<IVariable> tt) {
+		super(tt);
+	}
+
+	public Set<ExecutionState> getExecutionStateCover() {
+		Set<ExecutionState> ret = new HashSet<ExecutionState>();
+		List<Minterm<IVariable>> implicantCover = getImplicantCover();
+		for (Minterm<IVariable> term : implicantCover) {
+			ExecutionState es = new ExecutionState();
+			for (IVariable var : variables) {
+				Value val = term.getValue(var);
+				if (val == Value.TRUE) {
+					es.addClause(new ExecutionStateClause(var, true));
+				}
+				else if (val == Value.FALSE) {
+					es.addClause(new ExecutionStateClause(var, false));
+				}
+				// Don't care about Don't cares
+			}
+			ret.add(es);
+		}
+		return ret;
+	}
+	
+	@Override
+	public String toString() {
+		StringBuffer buf = new StringBuffer();
+		for (IVariable var : variables) {
+			buf.append(var.getName());
+			buf.append(" ");
+		}
+		buf.append("\n");
+		for (Minterm<IVariable> term : minterms) {
+			for (IVariable var : variables) {
+				switch (term.getValue(var)) {
+				case TRUE:
+					buf.append("1");
+					break;
+				case FALSE:
+					buf.append("0");
+					break;
+				default:
+					buf.append("-");
+				}
+				buf.append(" ");
+			}
+			buf.append("\n");
+		}
+		return buf.toString();
+	}
+}