Moved TypeMarshalBuffer from org.eclipse.cdt.internal.core.pdom.db to

org.eclipse.cdt.internal.core.pdom.dom

Change-Id: Ie4614ba8972cf6cb86ccfa5ef3d5cbc620fe9787

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

@@ -76,7 +76,7 @@ import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.SemanticUtil;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.TypeTraits;
 import org.eclipse.cdt.internal.core.parser.scanner.ExpressionEvaluator;
 import org.eclipse.cdt.internal.core.parser.scanner.ExpressionEvaluator.EvalException;
-import org.eclipse.cdt.internal.core.pdom.db.TypeMarshalBuffer;
+import org.eclipse.cdt.internal.core.pdom.dom.TypeMarshalBuffer;
 import org.eclipse.core.runtime.CoreException;
 
 /**

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

@@ -111,7 +111,7 @@ final class Chunk {
 	 * A free Record Pointer is a pointer to a raw block, i.e. the
 	 * pointer is not moved past the BLOCK_HEADER_SIZE.
 	 */
-	private static int compressFreeRecPtr(final long value) {
+	static int compressFreeRecPtr(final long value) {
 		// This assert verifies the alignment. We expect the low bits to be clear.
 		assert (value & (Database.BLOCK_SIZE_DELTA - 1)) == 0;
 		final int dense = (int) (value >> Database.BLOCK_SIZE_DELTA_BITS);
@@ -122,7 +122,7 @@ final class Chunk {
 	 * A free Record Pointer is a pointer to a raw block,
 	 * i.e. the pointer is not moved past the BLOCK_HEADER_SIZE.
 	 */
-	private static long expandToFreeRecPtr(int value) {
+	static long expandToFreeRecPtr(int value) {
 		/*
 		 * We need to properly manage the integer that was read. The value will be sign-extended 
 		 * so if the most significant bit is set, the resulting long will look negative. By 
@@ -134,25 +134,6 @@ final class Chunk {
 		return address << Database.BLOCK_SIZE_DELTA_BITS;
 	}
 
-	/**
-	 * A Record Pointer is a pointer as returned by Database.malloc().
-	 * This is a pointer to a block + BLOCK_HEADER_SIZE.
-	 */
-	static void putRecPtr(final long value, byte[] buffer, int idx) {
-		final int denseValue = value == 0 ? 0 : compressFreeRecPtr(value - Database.BLOCK_HEADER_SIZE);
-		putInt(denseValue, buffer, idx);
-	}
-
-	/**
-	 * A Record Pointer is a pointer as returned by Database.malloc().
-	 * This is a pointer to a block + BLOCK_HEADER_SIZE.
-	 */
-	static long getRecPtr(byte[] buffer, final int idx) {
-		int value = getInt(buffer, idx);
-		long address = expandToFreeRecPtr(value);
-		return address != 0 ? (address + Database.BLOCK_HEADER_SIZE) : address;
-	}
-
 	/**
 	 * A Record Pointer is a pointer as returned by Database.malloc().
 	 * This is a pointer to a block + BLOCK_HEADER_SIZE.
@@ -161,7 +142,7 @@ final class Chunk {
 		assert fLocked;
 		fDirty = true;
 		int idx = recPtrToIndex(offset);
-		putRecPtr(value, fBuffer, idx);
+		Database.putRecPtr(value, fBuffer, idx);
 	}
 	
 	/**
@@ -177,7 +158,7 @@ final class Chunk {
 
 	public long getRecPtr(final long offset) {
 		final int idx = recPtrToIndex(offset);
-		return getRecPtr(fBuffer, idx);
+		return Database.getRecPtr(fBuffer, idx);
 	}
 	
 	public long getFreeRecPtr(final long offset) {

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

@@ -796,4 +796,23 @@ public class Database {
 		}
 		return 0;
 	}
+
+	/**
+	 * A Record Pointer is a pointer as returned by Database.malloc().
+	 * This is a pointer to a block + BLOCK_HEADER_SIZE.
+	 */
+	public static void putRecPtr(final long value, byte[] buffer, int idx) {
+		final int denseValue = value == 0 ? 0 : Chunk.compressFreeRecPtr(value - BLOCK_HEADER_SIZE);
+		Chunk.putInt(denseValue, buffer, idx);
+	}
+
+	/**
+	 * A Record Pointer is a pointer as returned by Database.malloc().
+	 * This is a pointer to a block + BLOCK_HEADER_SIZE.
+	 */
+	public static long getRecPtr(byte[] buffer, final int idx) {
+		int value = Chunk.getInt(buffer, idx);
+		long address = Chunk.expandToFreeRecPtr(value);
+		return address != 0 ? (address + BLOCK_HEADER_SIZE) : address;
+	}
 }

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

@@ -51,7 +51,6 @@ import org.eclipse.cdt.internal.core.pdom.db.Database;
 import org.eclipse.cdt.internal.core.pdom.db.IBTreeComparator;
 import org.eclipse.cdt.internal.core.pdom.db.IBTreeVisitor;
 import org.eclipse.cdt.internal.core.pdom.db.IString;
-import org.eclipse.cdt.internal.core.pdom.db.TypeMarshalBuffer;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IProgressMonitor;
 

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

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2009, 2014 Wind River Systems, Inc. and others.
+ * Copyright (c) 2009, 2015 Wind River Systems, Inc. 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
@@ -9,7 +9,7 @@
  *     Markus Schorn - initial API and implementation
  *     Sergey Prigogin (Google)
  *******************************************************************************/
-package org.eclipse.cdt.internal.core.pdom.db;
+package org.eclipse.cdt.internal.core.pdom.dom;
 
 import org.eclipse.cdt.core.CCorePlugin;
 import org.eclipse.cdt.core.dom.ast.ASTTypeUtil;
@@ -28,15 +28,14 @@ import org.eclipse.cdt.internal.core.dom.parser.Value;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPTemplateNonTypeArgument;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPTemplateTypeArgument;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPEvaluation;
-import org.eclipse.cdt.internal.core.pdom.dom.PDOMLinkage;
-import org.eclipse.cdt.internal.core.pdom.dom.PDOMNode;
+import org.eclipse.cdt.internal.core.pdom.db.Database;
 import org.eclipse.core.runtime.CoreException;
 
 /**
  * For marshalling types to byte arrays.
  */
 public final class TypeMarshalBuffer implements ITypeMarshalBuffer {
-	public static final byte[] EMPTY= { 0, 0, 0, 0, 0, 0 };
+	public static final byte[] EMPTY = new byte[Database.TYPE_SIZE];
 	public static final byte NULL_TYPE       = 0x00;
 	public static final byte INDIRECT_TYPE   = 0x1F;
 	public static final byte BINDING_TYPE    = 0x1E;
@@ -44,10 +43,6 @@ public final class TypeMarshalBuffer implements ITypeMarshalBuffer {
 
 	public static final IType UNSTORABLE_TYPE_PROBLEM = new ProblemType(ISemanticProblem.TYPE_NOT_PERSISTED);
 
-	static {
-		assert EMPTY.length == Database.TYPE_SIZE;
-	}
-
 	private final PDOMLinkage fLinkage;
 	private int fPos;
 	private byte[] fBuffer;
@@ -346,7 +341,7 @@ public final class TypeMarshalBuffer implements ITypeMarshalBuffer {
 
 	private void putRecordPointer(long record) {
 		request(Database.PTR_SIZE);
-		Chunk.putRecPtr(record, fBuffer, fPos);
+		Database.putRecPtr(record, fBuffer, fPos);
 		fPos += Database.PTR_SIZE;
 	}
 
@@ -357,7 +352,7 @@ public final class TypeMarshalBuffer implements ITypeMarshalBuffer {
 			fPos= fBuffer.length;
 			throw unmarshallingError();
 		}
-		return Chunk.getRecPtr(fBuffer, pos);
+		return Database.getRecPtr(fBuffer, pos);
 	}
 
 	@Override

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

@@ -131,7 +131,6 @@ import org.eclipse.cdt.internal.core.pdom.WritablePDOM;
 import org.eclipse.cdt.internal.core.pdom.db.BTree;
 import org.eclipse.cdt.internal.core.pdom.db.Database;
 import org.eclipse.cdt.internal.core.pdom.db.IBTreeComparator;
-import org.eclipse.cdt.internal.core.pdom.db.TypeMarshalBuffer;
 import org.eclipse.cdt.internal.core.pdom.dom.IPDOMMemberOwner;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMASTAdapter;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMBinding;
@@ -140,6 +139,7 @@ import org.eclipse.cdt.internal.core.pdom.dom.PDOMGlobalScope;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMLinkage;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMName;
 import org.eclipse.cdt.internal.core.pdom.dom.PDOMNode;
+import org.eclipse.cdt.internal.core.pdom.dom.TypeMarshalBuffer;
 import org.eclipse.core.runtime.CoreException;
 
 /**