Bug 332114: Exceptions when parsing gcc-testsuite.

core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2CPPTests.java

@@ -129,6 +129,7 @@ import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPInternalBinding;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.OverloadableOperator;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPSemantics;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPVisitor;
+import org.eclipse.cdt.internal.core.index.IndexCPPSignatureUtil;
 import org.eclipse.cdt.internal.core.parser.ParserException;
 
 public class AST2CPPTests extends AST2BaseTest {
@@ -9289,5 +9290,20 @@ public class AST2CPPTests extends AST2BaseTest {
 	public void testFwdLookupForDefaultArgument() throws Exception {
 		parseAndCheckBindings();
 	}
+	
+	//  auto f2 ();		// missing late return type.
+	public void testBug332114a() throws Exception {
+		BindingAssertionHelper bh= new BindingAssertionHelper(getAboveComment(), true);
+		IBinding b= bh.assertNonProblem("f2", 0);
+		// Must not throw a NPE
+		IndexCPPSignatureUtil.getSignature(b);
+	}
+	
+	//	enum E: short;
+	//	enum E: short;
+	//	enum E: short {e1, e2};
+	public void testBug332114b() throws Exception {
+		parseAndCheckBindings();
+	}
 
 }

core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexCPPBindingResolutionBugs.java

@@ -26,8 +26,8 @@ import org.eclipse.cdt.core.dom.ast.IField;
 import org.eclipse.cdt.core.dom.ast.IFunction;
 import org.eclipse.cdt.core.dom.ast.IParameter;
 import org.eclipse.cdt.core.dom.ast.IPointerType;
-import org.eclipse.cdt.core.dom.ast.IProblemBinding;
 import org.eclipse.cdt.core.dom.ast.IScope;
+import org.eclipse.cdt.core.dom.ast.ISemanticProblem;
 import org.eclipse.cdt.core.dom.ast.IType;
 import org.eclipse.cdt.core.dom.ast.ITypedef;
 import org.eclipse.cdt.core.dom.ast.IVariable;
@@ -1208,7 +1208,7 @@ public class IndexCPPBindingResolutionBugs extends IndexBindingResolutionTestBas
     	ITypedef td= getBindingFromASTName("MBR_PTR", 0, ITypedef.class);
     	ICPPPointerToMemberType ptrMbr= (ICPPPointerToMemberType) td.getType();
     	IType t= ptrMbr.getMemberOfClass();
-    	assertInstance(t, IProblemBinding.class);
+    	assertInstance(t, ISemanticProblem.class);
 	}
 
 	//	void f255(

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/ArithmeticConversion.java

@@ -84,8 +84,16 @@ public abstract class ArithmeticConversion {
 	}
 	
 	private boolean isArithmeticOrUnscopedEnum(IType op1) {
-		if  (op1 instanceof IBasicType) 
+		if (op1 instanceof IBasicType)  {
-			return true;
+			final Kind kind = ((IBasicType)op1).getKind();
+			switch (kind) {
+			case eUnspecified:
+			case eVoid:
+				return false;
+			default:
+				return true;
+			}
+		}
 		if (op1 instanceof IEnumeration) {
 			if (op1 instanceof ICPPEnumeration && ((ICPPEnumeration) op1).isScoped())
 				return false;

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPASTAmbiguousParameterDeclaration.java

@@ -54,6 +54,7 @@ public class CPPASTAmbiguousParameterDeclaration extends ASTAmbiguousNode implem
 		
 		// Setup the ast to use the alternative
 		owner.replace(this, fParameterDecl);
+		fParameterDecl.accept(resolver);
 		
 		IType t= CPPVisitor.createType(fParameterDecl, true);
 		if (!(t instanceof ICPPParameterPackType) || 

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPASTUnaryExpression.java

@@ -220,6 +220,8 @@ public class CPPASTUnaryExpression extends ASTNode implements ICPPASTUnaryExpres
 			return CPPVisitor.get_type_info(this);
 		case op_bracketedPrimary:
 			return getOperand().getExpressionType();
+		case op_throw:
+			return CPPSemantics.VOID_TYPE;
 		}
 		
 		final IASTExpression operand = getOperand();

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPEnumeration.java

@@ -80,8 +80,6 @@ public class CPPEnumeration extends PlatformObject implements ICPPEnumeration, I
 
     private class FindDefinitionAction extends ASTVisitor {
 		private char[] nameArray = CPPEnumeration.this.getNameCharArray();
-		public IASTName result = null;
-
 		{
 			shouldVisitNames          = true;
 			shouldVisitDeclarations   = true;
@@ -94,10 +92,12 @@ public class CPPEnumeration extends PlatformObject implements ICPPEnumeration, I
 			if (name instanceof ICPPASTTemplateId || name instanceof ICPPASTQualifiedName)
 				return PROCESS_SKIP;
 			char[] c = name.getLookupKey();
-			if (name.getParent() instanceof ICPPASTEnumerationSpecifier && CharArrayUtils.equals(c, nameArray)) {
+			final IASTNode parent = name.getParent();
+			if (parent instanceof ICPPASTEnumerationSpecifier &&
+					!((ICPPASTEnumerationSpecifier) parent).isOpaque() && 
+					CharArrayUtils.equals(c, nameArray)) {
 				IBinding binding = name.resolveBinding();
-				if (binding == CPPEnumeration.this) {
+				if (binding == CPPEnumeration.this && getDefinition() == name) {
-					result= name;
 					return PROCESS_ABORT;
 				}
 			}
@@ -121,12 +121,8 @@ public class CPPEnumeration extends PlatformObject implements ICPPEnumeration, I
 	}
 
     public IASTName getDefinition() {
-    	if (fDefinition == NOT_INITIALIZED) {
+    	if (fDefinition == NOT_INITIALIZED)
-    		FindDefinitionAction action = new FindDefinitionAction();
+    		return null;
-    		IASTNode node = CPPVisitor.getContainingBlockItem(getADeclaration()).getParent();
-    		node.accept(action);
-    		fDefinition = action.result;
-    	}
         return fDefinition;
     }
 
@@ -259,6 +255,7 @@ public class CPPEnumeration extends PlatformObject implements ICPPEnumeration, I
 	}
 
     public IEnumerator[] getEnumerators() {
+    	findDefinition();
     	final IASTName definition = getDefinition();
 		if (definition == null) {
 			ICPPEnumeration typeInIndex= getIndexBinding();
@@ -291,6 +288,7 @@ public class CPPEnumeration extends PlatformObject implements ICPPEnumeration, I
 	}
 
 	public ICPPScope asScope() {
+		findDefinition();
 		IASTName def = getDefinition();
 		if (def == null) {
 			ICPPEnumeration indexBinding= getIndexBinding();
@@ -301,4 +299,12 @@ public class CPPEnumeration extends PlatformObject implements ICPPEnumeration, I
 		}
 		return ((ICPPASTEnumerationSpecifier) def.getParent()).getScope();
 	}
+
+	private void findDefinition() {
+    	if (fDefinition == NOT_INITIALIZED) {
+    		FindDefinitionAction action = new FindDefinitionAction();
+    		IASTNode node = CPPVisitor.getContainingBlockItem(getADeclaration()).getParent();
+    		node.accept(action);
+    	}
+	}
 }

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPTemplateTypeParameter.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2005, 2009 IBM Corporation and others.
+ * Copyright (c) 2005, 2010 IBM Corporation 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
@@ -58,7 +58,6 @@ public class CPPTemplateTypeParameter extends CPPTemplateParameter implements
 		for (IASTName nd : nds) {
 			if (nd != null) {
 				IASTNode parent = nd.getParent();
-				assert parent instanceof ICPPASTSimpleTypeTemplateParameter;
 				if (parent instanceof ICPPASTSimpleTypeTemplateParameter) {
 					ICPPASTSimpleTypeTemplateParameter simple = (ICPPASTSimpleTypeTemplateParameter) parent;
 					IASTTypeId typeId = simple.getDefaultType();

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPSemantics.java

@@ -2702,10 +2702,12 @@ public class CPPSemantics {
     		IASTDeclarator dtor = (IASTDeclarator) parent;
     		targetType= CPPVisitor.createType(dtor);
     	} else if (prop == IASTEqualsInitializer.INITIALIZER) {
-    		IASTEqualsInitializer initExp = (IASTEqualsInitializer) parent;
+    		final IASTNode grandpa = parent.getParent();
-    		if (initExp.getParent() instanceof IASTDeclarator) {
+			if (grandpa instanceof IASTDeclarator) {
-    			IASTDeclarator dtor = (IASTDeclarator) initExp.getParent();
+    			IASTDeclarator dtor = ASTQueries.findInnermostDeclarator((IASTDeclarator) grandpa);
-    			targetType= CPPVisitor.createType(dtor);
+    			IBinding var= dtor.getName().resolvePreBinding();
+    			if (var instanceof IVariable)
+    				targetType= ((IVariable) var).getType();
     		}
     	} else if (prop == ICPPASTConstructorInitializer.ARGUMENT) {
     		ICPPASTConstructorInitializer init = (ICPPASTConstructorInitializer) parent;

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPTemplates.java

@@ -921,6 +921,7 @@ public class CPPTemplates {
 	public static IType[] instantiateTypes(IType[] types, ICPPTemplateParameterMap tpMap, int packOffset, ICPPClassSpecialization within) {
 		// Don't create a new array until it's really needed.
 		IType[] result = types;
+		int j= 0;
 		for (int i = 0; i < types.length; i++) {
 			IType origType = types[i];
 			IType newType;
@@ -932,25 +933,24 @@ public class CPPTemplates {
 				} else if (packSize == PACK_SIZE_DEFER) {
 					newType= origType;
 				} else {
-					IType[] packResult= new IType[types.length+packSize-1];
+					IType[] newResult= new IType[result.length+packSize-1];
-					System.arraycopy(result, 0, packResult, 0, types.length-1);
+					System.arraycopy(result, 0, newResult, 0, j);
-					for(int j=0; j<packSize; j++) {
+					result= newResult;
-						packResult[i+j]= CPPTemplates.instantiateType(origType, tpMap, j, within);
+					for(int k=0; k<packSize; k++) {
+						result[j++]= CPPTemplates.instantiateType(origType, tpMap, k, within);
 					}
-					result= packResult;
 					continue;
 				}
 			} else {
 				newType = CPPTemplates.instantiateType(origType, tpMap, packOffset, within);
 			}
 			if (result != types) {
-				result[i]= newType;
+				result[j++]= newType;
 			} else if (newType != origType) {
 				result = new IType[types.length];
-				if (i > 0) {
+				j= i;
-					System.arraycopy(types, 0, result, 0, i);
+				System.arraycopy(types, 0, result, 0, i);
-				}
+				result[j++]= newType;
-				result[i]= newType;
 			}
 		}
 		return result;

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPVisitor.java

@@ -345,9 +345,9 @@ public class CPPVisitor extends ASTQueries {
 				IType ft2= e.getFixedType();
 				if (fixedType == ft2 || (fixedType != null && fixedType.isSameType(ft2))) {
 					if (specifier.isOpaque()) {
-						e.addDeclaration(specifier);
+						e.addDeclaration(name);
 					} else if (e.getDefinition() == null) {
-						e.addDefinition(specifier);
+						e.addDefinition(name);
 					} else {
 						return new ProblemBinding(name, IProblemBinding.SEMANTIC_INVALID_REDEFINITION);
 					}
@@ -1752,10 +1752,12 @@ public class CPPVisitor extends ASTQueries {
 			parent = parent.getParent();
 			if (parent instanceof ICPPASTNewExpression) {
 				IASTInitializer initializer = ((ICPPASTNewExpression) parent).getInitializer();
-				IASTInitializerClause[] arguments = ((ICPPASTConstructorInitializer) initializer).getArguments();
+				if (initializer != null) {
-				if (arguments.length == 1) {
+					IASTInitializerClause[] arguments = ((ICPPASTConstructorInitializer) initializer).getArguments();
-					initClause = arguments[0];
+					if (arguments.length == 1) {
-				} 
+						initClause = arguments[0];
+					} 
+				}
 			} else if (parent instanceof IASTCompositeTypeSpecifier &&
 					declSpec.getStorageClass() != IASTDeclSpecifier.sc_static) {
 				// Non-static auto-typed class members are not allowed.

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/SemanticUtil.java

@@ -16,6 +16,9 @@ package org.eclipse.cdt.internal.core.dom.parser.cpp.semantics;
 
 import static org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CVQualifier.*;
 
+import java.util.HashSet;
+import java.util.Set;
+
 import org.eclipse.cdt.core.dom.ast.DOMException;
 import org.eclipse.cdt.core.dom.ast.IASTNode;
 import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit;
@@ -540,10 +543,10 @@ public class SemanticUtil {
 	 * no inheritance relation
 	 */
 	public static final int calculateInheritanceDepth(IType type, IType baseClass) {
-		return calculateInheritanceDepth(CPPSemantics.MAX_INHERITANCE_DEPTH, type, baseClass);
+		return calculateInheritanceDepth(CPPSemantics.MAX_INHERITANCE_DEPTH, new HashSet<Object>(), type, baseClass);
 	}
 	
-	private static final int calculateInheritanceDepth(int maxdepth, IType type, IType baseClass) {
+	private static final int calculateInheritanceDepth(int maxdepth, Set<Object> hashSet, IType type, IType baseClass) {
 		if (type == baseClass || type.isSameType(baseClass)) {
 			return 0;
 		}
@@ -556,7 +559,7 @@ public class SemanticUtil {
 			
 			for (ICPPBase cppBase : clazz.getBases()) {
 				IBinding base= cppBase.getBaseClass();
-				if (base instanceof IType) {
+				if (base instanceof IType && hashSet.add(base)) {
 					IType tbase= (IType) base;
 					if (tbase.isSameType(baseClass) || 
 							(baseClass instanceof ICPPSpecialization &&  // allow some flexibility with templates 
@@ -565,7 +568,7 @@ public class SemanticUtil {
 					}
 	
 					if (tbase instanceof ICPPClassType) {
-						int n= calculateInheritanceDepth(maxdepth - 1, tbase, baseClass);
+						int n= calculateInheritanceDepth(maxdepth - 1, hashSet, tbase, baseClass);
 						if (n > 0)
 							return n + 1;
 					}

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/db/TypeMarshalBuffer.java

@@ -13,10 +13,12 @@ package org.eclipse.cdt.internal.core.pdom.db;
 import org.eclipse.cdt.core.CCorePlugin;
 import org.eclipse.cdt.core.dom.ast.ASTTypeUtil;
 import org.eclipse.cdt.core.dom.ast.IBinding;
+import org.eclipse.cdt.core.dom.ast.ISemanticProblem;
 import org.eclipse.cdt.core.dom.ast.IType;
 import org.eclipse.cdt.core.dom.ast.IValue;
 import org.eclipse.cdt.internal.core.dom.parser.ISerializableType;
 import org.eclipse.cdt.internal.core.dom.parser.ITypeMarshalBuffer;
+import org.eclipse.cdt.internal.core.dom.parser.ProblemType;
 import org.eclipse.cdt.internal.core.dom.parser.Value;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMBinding;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMLinkage;
@@ -30,6 +32,9 @@ public class TypeMarshalBuffer implements ITypeMarshalBuffer {
 	public final static byte NULL_TYPE= 0;
 	public final static byte INDIRECT_TYPE= (byte) -1;
 	public final static byte BINDING_TYPE= (byte) -2;
+	public final static byte UNSTORABLE_TYPE= (byte) -3;
+	
+	public final static IType UNSTORABLE_TYPE_PROBLEM = new ProblemType(ISemanticProblem.TYPE_NOT_PERSISTED);
 
 	static {
 		assert EMPTY.length == Database.TYPE_SIZE;
@@ -65,10 +70,12 @@ public class TypeMarshalBuffer implements ITypeMarshalBuffer {
 	public void marshalBinding(IBinding binding) throws CoreException {
 		if (binding instanceof ISerializableType) {
 			((ISerializableType) binding).marshal(this);
+		} else if (binding == null) {
+			putByte(NULL_TYPE);
 		} else {
 			PDOMBinding pb= fLinkage.addTypeBinding(binding);
 			if (pb == null) {
-				putByte(NULL_TYPE);
+				putByte(UNSTORABLE_TYPE);
 			} else {
 				putByte(BINDING_TYPE);
 				putByte((byte) 0);
@@ -86,10 +93,10 @@ public class TypeMarshalBuffer implements ITypeMarshalBuffer {
 			fPos+= 2;
 			long rec= getRecordPointer();
 			return (IBinding) fLinkage.getNode(rec);
-		} else if (firstByte == 0) {
+		} else if (firstByte == NULL_TYPE || firstByte == UNSTORABLE_TYPE) {
 			fPos++;
 			return null;
-		}
+		} 
 		
 		IType type= fLinkage.unmarshalType(this);
 		if (type == null || type instanceof IBinding)
@@ -103,9 +110,11 @@ public class TypeMarshalBuffer implements ITypeMarshalBuffer {
 			marshalBinding((IBinding) type);
 		} else if (type instanceof ISerializableType) {
 			((ISerializableType) type).marshal(this);
-		} else {
+		} else if (type == null) {
-			assert type == null : "Cannot serialize " + ASTTypeUtil.getType(type) + "(" + type.getClass().getName() + ")";   //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$
 			putByte(NULL_TYPE);
+		} else {
+			assert false : "Cannot serialize " + ASTTypeUtil.getType(type) + "(" + type.getClass().getName() + ")";   //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$
+			putByte(UNSTORABLE_TYPE);
 		}
 	}
 
@@ -118,9 +127,12 @@ public class TypeMarshalBuffer implements ITypeMarshalBuffer {
 			fPos+= 2;
 			long rec= getRecordPointer();
 			return (IType) fLinkage.getNode(rec);
-		} else if (firstByte == 0) {
+		} else if (firstByte == NULL_TYPE) {
 			fPos++;
 			return null;
+		} else if (firstByte == UNSTORABLE_TYPE) {
+			fPos++;
+			return UNSTORABLE_TYPE_PROBLEM;
 		}
 		
 		return fLinkage.unmarshalType(this);

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMLinkage.java

@@ -476,6 +476,8 @@ public abstract class PDOMLinkage extends PDOMNamedNode implements IIndexLinkage
 			data= new byte[len];
 			db.getBytes(ptr+2, data);
 			break;
+		case TypeMarshalBuffer.UNSTORABLE_TYPE:
+			return TypeMarshalBuffer.UNSTORABLE_TYPE_PROBLEM;
 		case TypeMarshalBuffer.NULL_TYPE:
 			return null;
 		default:

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCParameter.java

@@ -127,14 +127,22 @@ final class PDOMCParameter extends PDOMNamedNode implements IParameter, IPDOMBin
 		return getNodeType();
 	}
 	
+	
 	@Override
 	public void delete(PDOMLinkage linkage) throws CoreException {
-		long rec = getNextPtr();
+		PDOMCParameter p= this;
-		if (rec != 0) {
+		for (;;) {
-			new PDOMCParameter(linkage, rec, null).delete(linkage);
+			long rec = p.getNextPtr();
+			p.flatDelete(linkage);
+			if (rec == 0) 
+				return;
+			p= new PDOMCParameter(linkage, rec, null);
 		}
-		super.delete(linkage);
 	}
+
+	private void flatDelete(PDOMLinkage linkage) throws CoreException {
+		super.delete(linkage);
+	}	
 	
 	public long getNextPtr() throws CoreException {
 		long rec = getDB().getRecPtr(record + NEXT_PARAM);

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPParameter.java

@@ -204,10 +204,17 @@ class PDOMCPPParameter extends PDOMNamedNode implements ICPPParameter, IPDOMBind
 
 	@Override
 	public void delete(PDOMLinkage linkage) throws CoreException {
-		long rec = getNextPtr();
+		PDOMCPPParameter p= this;
-		if (rec != 0) {
+		for (;;) {
-			new PDOMCPPParameter(linkage, rec, null).delete(linkage);
+			long rec = p.getNextPtr();
+			p.flatDelete(linkage);
+			if (rec == 0) 
+				return;
+			p= new PDOMCPPParameter(linkage, rec, null);
 		}
+	}
+
+	private void flatDelete(PDOMLinkage linkage) throws CoreException {
 		super.delete(linkage);
 	}