Bug 309760 name resolution checker, contributed patch

codan/org.eclipse.cdt.codan.checkers/plugin.xml

@@ -119,8 +119,19 @@
                       name="%problem.name.NoReturn">
                 </problem>
              </checker>
-       
+             <checker
-
+                   class="org.eclipse.cdt.codan.internal.checkers.NameResolutionChecker"
-             
+                   id="org.eclipse.cdt.codan.checkers.NameResolutionChecker"
+                   name="Name Resolution Checker">
+                <problem
+                      category="org.eclipse.cdt.codan.core.categories.ProgrammingProblems"
+                      defaultEnabled="true"
+                      defaultSeverity="Error"
+                      description="Name resolution problem found by the indexer"
+                      id="org.eclipse.cdt.codan.internal.checkers.NameResolutionChecker"
+                      messagePattern="Symbol &apos;&apos;{0}&apos;&apos; could not be resolved"
+                      name="Name Resolution Problem">
+                </problem>
+             </checker>
    </extension>
 </plugin>

codan/org.eclipse.cdt.codan.checkers/src/org/eclipse/cdt/codan/internal/checkers/NameResolutionChecker.java

@@ -0,0 +1,51 @@
+/*******************************************************************************
+ * Copyright (c) 2010 Marc-Andre Laperle 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:
+ * Marc-Andre Laperle - Initial API and implementation
+ *******************************************************************************/
+package org.eclipse.cdt.codan.internal.checkers;
+
+import org.eclipse.cdt.codan.core.cxx.model.AbstractIndexAstChecker;
+import org.eclipse.cdt.core.dom.ast.ASTVisitor;
+import org.eclipse.cdt.core.dom.ast.IASTName;
+import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit;
+import org.eclipse.cdt.core.dom.ast.IBinding;
+import org.eclipse.cdt.core.dom.ast.IProblemBinding;
+
+public class NameResolutionChecker extends AbstractIndexAstChecker {
+
+	static final String ERR_ID = "org.eclipse.cdt.codan.internal.checkers.NameResolutionChecker"; //$NON-NLS-1$
+	
+	public void processAst(IASTTranslationUnit ast) {
+		try {
+			ast.accept(new ASTVisitor() {
+				{
+					shouldVisitNames = true;
+				}
+
+				@Override
+				public int visit(IASTName name) {
+					IBinding binding = name.resolveBinding();
+					if (binding instanceof IProblemBinding) {
+						reportProblem(ERR_ID, name, name.getRawSignature());
+					}
+					return PROCESS_CONTINUE;
+				}
+			});
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+
+	}
+
+	@Override
+	public boolean runInEditor() {
+		return true;
+	}
+
+}