Bug 468492: Add _Decimal types.

- Types added: _Decimal32, _Decimal64, _Decimal128.

Change-Id: I9660dfa16f860b5fd31cf028812f1ab464b18709
Signed-off-by: Roberto Oliveira <rdutra@linux.vnet.ibm.com>

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

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2004, 2011 IBM Corporation and others.
+ * Copyright (c) 2004, 2015 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
@@ -433,6 +433,27 @@ public class GCCCompleteParseExtensionsTest extends AST2TestBase {
 		parseGPP(code);
 	}
 	
+	// _Decimal32 x;
+	public void test_Decimal32() throws Exception {
+		String code= getAboveComment();
+		parseGCC(code);
+		parseGPP(code);
+	}
+
+	// _Decimal64 x;
+	public void test_Decimal64() throws Exception {
+		String code= getAboveComment();
+		parseGCC(code);
+		parseGPP(code);
+	}
+
+	// _Decimal128 x;
+	public void test_Decimal128() throws Exception {
+		String code= getAboveComment();
+		parseGCC(code);
+		parseGPP(code);
+	}
+
 	//	struct waldo {
 	//	} __attribute__((__aligned__((1))));
 	public void test__attribute__aligned_bug400204() throws Exception {

core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/ASTStringUtil.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2006, 2014 Wind River Systems, Inc. and others.
+ * Copyright (c) 2006, 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
@@ -659,6 +659,15 @@ public class ASTStringUtil {
 			case IASTSimpleDeclSpecifier.t_float128:
 				buffer.append(GCCKeywords.cp__float128).append(' ');
 				break;
+			case IASTSimpleDeclSpecifier.t_decimal32:
+				buffer.append(GCCKeywords.cp_decimal32).append(' ');
+				break;
+			case IASTSimpleDeclSpecifier.t_decimal64:
+				buffer.append(GCCKeywords.cp_decimal64).append(' ');
+				break;
+			case IASTSimpleDeclSpecifier.t_decimal128:
+				buffer.append(GCCKeywords.cp_decimal128).append(' ');
+				break;
 			case IASTSimpleDeclSpecifier.t_bool:
 				if (simpleDeclSpec instanceof ICASTSimpleDeclSpecifier) {
 					buffer.append(Keywords.cBOOL).append(' ');

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/ASTSignatureUtil.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2005, 2010 IBM Corporation and others.
+ * Copyright (c) 2005, 2015 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
@@ -787,6 +787,30 @@ public class ASTSignatureUtil {
 				result.append(GCCKeywords.__FLOAT128);
 				needSpace = true;
 				break;
+			case IASTSimpleDeclSpecifier.t_decimal32:
+				if (needSpace) {
+					result.append(SPACE);
+					needSpace = false;
+				}
+				result.append(GCCKeywords._DECIMAL32);
+				needSpace = true;
+				break;
+			case IASTSimpleDeclSpecifier.t_decimal64:
+				if (needSpace) {
+					result.append(SPACE);
+					needSpace = false;
+				}
+				result.append(GCCKeywords._DECIMAL64);
+				needSpace = true;
+				break;
+			case IASTSimpleDeclSpecifier.t_decimal128:
+				if (needSpace) {
+					result.append(SPACE);
+					needSpace = false;
+				}
+				result.append(GCCKeywords._DECIMAL128);
+				needSpace = true;
+				break;
 			case IASTSimpleDeclSpecifier.t_void:
 				if (needSpace) {
 					result.append(SPACE);

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/ASTTypeUtil.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2005, 2014 IBM Corporation and others.
+ * Copyright (c) 2005, 2015 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
@@ -328,6 +328,18 @@ public class ASTTypeUtil {
 				if (needSpace) result.append(SPACE);
 				result.append(GCCKeywords.__FLOAT128);
 				break;
+			case eDecimal32:
+				if (needSpace) result.append(SPACE);
+				result.append(GCCKeywords._DECIMAL32);
+				break;
+			case eDecimal64:
+				if (needSpace) result.append(SPACE);
+				result.append(GCCKeywords._DECIMAL64);
+				break;
+			case eDecimal128:
+				if (needSpace) result.append(SPACE);
+				result.append(GCCKeywords._DECIMAL128);
+				break;
 			case eInt:
 				if (needSpace) result.append(SPACE);
 				result.append(Keywords.INT);

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/IASTSimpleDeclSpecifier.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2004, 2010 IBM Corporation and others.
+ * Copyright (c) 2004, 2015 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
@@ -112,6 +112,24 @@ public interface IASTSimpleDeclSpecifier extends IASTDeclSpecifier {
 	 */
 	public static final int t_float128 = 14;
 
+	/**
+	 * <code>_Decimal32 i;</code>
+	 * @since 5.10
+	 */
+	public static final int t_decimal32 = 15;
+
+	/**
+	 * <code>_Decimal64 i;</code>
+	 * @since 5.10
+	 */
+	public static final int t_decimal64 = 16;
+
+	/**
+	 * <code>_Decimal128 i;</code>
+	 * @since 5.10
+	 */
+	public static final int t_decimal128 = 17;
+
 	/**
 	 * @since 5.1
 	 */

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/IBasicType.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2004, 2010 IBM Corporation and others.
+ * Copyright (c) 2004, 2015 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
@@ -24,7 +24,9 @@ public interface IBasicType extends IType {
 	enum Kind {
 		eUnspecified, eVoid, eChar, eWChar, eInt, eFloat, eDouble,
 		eBoolean, eChar16, eChar32, /** @since 5.4 */ eNullPtr,
-		/** @since 5.5 */ eInt128, /** @since 5.5 */ eFloat128
+		/** @since 5.5 */ eInt128, /** @since 5.5 */ eFloat128,
+		/** @since 5.10 */ eDecimal32, /** @since 5.10  */eDecimal64,
+		/** @since 5.10  */ eDecimal128;
 	}
 
 	/** @since 5.2 */

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/parser/c/GCCScannerExtensionConfiguration.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2004, 2010 IBM Corporation and others.
+ * Copyright (c) 2004, 2015 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
@@ -24,8 +24,10 @@ import org.eclipse.cdt.core.parser.IScannerInfo;
  * Configures the preprocessor for parsing c-sources as accepted by gcc.
  */
 public class GCCScannerExtensionConfiguration extends GNUScannerExtensionConfiguration {
+	private static final int VERSION_4_2 = version(4, 2);
 	private static final int VERSION_4_7 = version(4, 7);
 	private static GCCScannerExtensionConfiguration CONFIG= new GCCScannerExtensionConfiguration();
+	private static GCCScannerExtensionConfiguration CONFIG_4_2= new GCCScannerExtensionConfiguration(VERSION_4_2);
 	private static GCCScannerExtensionConfiguration CONFIG_4_7= new GCCScannerExtensionConfiguration(VERSION_4_7);
 
 	/**
@@ -48,6 +50,9 @@ public class GCCScannerExtensionConfiguration extends GNUScannerExtensionConfigu
 				if (version >= VERSION_4_7) {
 					return CONFIG_4_7;
 				}
+				if (version >= VERSION_4_2) {
+					return CONFIG_4_2;
+				}
 			} catch (Exception e) {
 				// Fall-back to the default configuration.
 			}
@@ -67,6 +72,11 @@ public class GCCScannerExtensionConfiguration extends GNUScannerExtensionConfigu
 		addMacro("__null", "(void *)0");  
 		addMacro("__builtin_offsetof(T,m)", "((size_t) &((T *)0)->m)");
 
+		if (version >= VERSION_4_2) {
+			addKeyword(GCCKeywords.cp_decimal32, IGCCToken.t_decimal32);
+			addKeyword(GCCKeywords.cp_decimal64, IGCCToken.t_decimal64);
+			addKeyword(GCCKeywords.cp_decimal128, IGCCToken.t_decimal128);
+		}
 		if (version >= VERSION_4_7) {
 			addKeyword(GCCKeywords.cp__float128, IGCCToken.t__float128);
 			addKeyword(GCCKeywords.cp__int128, IGCCToken.t__int128);

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/parser/cpp/GPPScannerExtensionConfiguration.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2004, 2009 IBM Corporation and others.
+ * Copyright (c) 2004, 2015 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
@@ -27,10 +27,12 @@ import org.eclipse.cdt.core.parser.Keywords;
  * Configures the preprocessor for c++-sources as accepted by g++.
  */
 public class GPPScannerExtensionConfiguration extends GNUScannerExtensionConfiguration {
+	private static final int VERSION_4_2 = version(4, 2);
 	private static final int VERSION_4_3 = version(4, 3);
 	private static final int VERSION_4_6 = version(4, 6);
 	private static final int VERSION_4_7 = version(4, 7);
 	private static GPPScannerExtensionConfiguration CONFIG= new GPPScannerExtensionConfiguration();
+	private static GPPScannerExtensionConfiguration CONFIG_4_2= new GPPScannerExtensionConfiguration(VERSION_4_2);
 	private static GPPScannerExtensionConfiguration CONFIG_4_3= new GPPScannerExtensionConfiguration(VERSION_4_3);
 	private static GPPScannerExtensionConfiguration CONFIG_4_6= new GPPScannerExtensionConfiguration(VERSION_4_6);
 	private static GPPScannerExtensionConfiguration CONFIG_4_7= new GPPScannerExtensionConfiguration(VERSION_4_7);
@@ -58,6 +60,9 @@ public class GPPScannerExtensionConfiguration extends GNUScannerExtensionConfigu
 				if (version >= VERSION_4_3) {
 					return CONFIG_4_3;
 				}
+				if (version >= VERSION_4_2) {
+					return CONFIG_4_2;
+				}
 			} catch (Exception e) {
 				// Fall-back to the default configuration.
 			}
@@ -78,7 +83,12 @@ public class GPPScannerExtensionConfiguration extends GNUScannerExtensionConfigu
 		addMacro("__builtin_offsetof(T,m)", "(reinterpret_cast <size_t>(&reinterpret_cast <const volatile char &>(static_cast<T*> (0)->m)))");
 		addKeyword(Keywords.c_COMPLEX, IToken.t__Complex);
 		addKeyword(Keywords.c_IMAGINARY, IToken.t__Imaginary);
-		
+
+		if (version >= VERSION_4_2) {
+			addKeyword(GCCKeywords.cp_decimal32, IGCCToken.t_decimal32);
+			addKeyword(GCCKeywords.cp_decimal64, IGCCToken.t_decimal64);
+			addKeyword(GCCKeywords.cp_decimal128, IGCCToken.t_decimal128);
+		}
 		// Type-traits supported by gcc 4.3
 		if (version >= VERSION_4_3) {
 			addKeyword(GCCKeywords.cp__has_nothrow_assign, IGCCToken.tTT_has_nothrow_assign);

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/parser/GCCKeywords.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2002, 2012 IBM Corporation and others.
+ * Copyright (c) 2002, 2015 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
@@ -31,6 +31,12 @@ public class GCCKeywords {
 	public static final String __FLOAT128 = "__float128";
 	/** @since 5.9 */
 	public static final String __FINAL = "__final";
+	/** @since 5.10  */
+	public static final String _DECIMAL32 = "_Decimal32";
+	/** @since 5.10  */
+	public static final String _DECIMAL64 = "_Decimal64";
+	/** @since 5.10  */
+	public static final String _DECIMAL128 = "_Decimal128";
 
 	public static final char[]
 		cpTYPEOF = 			TYPEOF.toCharArray(),
@@ -90,4 +96,10 @@ public class GCCKeywords {
 	/** @since 5.9 */
 	public static final char[]
 		cp__FINAL=						__FINAL.toCharArray();
+
+	/** @since 5.10 */
+	public static final char[]
+		cp_decimal32=					_DECIMAL32.toCharArray(),
+		cp_decimal64=					_DECIMAL64.toCharArray(),
+		cp_decimal128=					_DECIMAL128.toCharArray();
 }

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/parser/IGCCToken.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2002, 2011 IBM Corporation and others.
+ * Copyright (c) 2002, 2015 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
@@ -50,4 +50,8 @@ public interface IGCCToken extends IToken {
 	
 	/** @since 5.6 */ int tTT_is_final=					FIRST_RESERVED_IGCCToken + 27;
 	/** @since 5.6 */ int tTT_underlying_type=			FIRST_RESERVED_IGCCToken + 28;
+
+	/** @since 5.10 */ int t_decimal32=					FIRST_RESERVED_IGCCToken + 29;
+	/** @since 5.10 */ int t_decimal64=					FIRST_RESERVED_IGCCToken + 30;
+	/** @since 5.10 */ int t_decimal128=				FIRST_RESERVED_IGCCToken + 31;
 }

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

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2005, 2014 IBM Corporation and others.
+ * Copyright (c) 2005, 2015 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
@@ -2622,6 +2622,9 @@ public abstract class AbstractGNUSourceCodeParser implements ISourceCodeParser {
         case IToken.t__Imaginary:
         case IGCCToken.t__int128:
         case IGCCToken.t__float128:
+        case IGCCToken.t_decimal32:
+        case IGCCToken.t_decimal64:
+        case IGCCToken.t_decimal128:
         case IToken.t_signed:
         case IToken.t_unsigned:
         case IToken.t_decltype:

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/ArithmeticConversion.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
@@ -130,6 +130,9 @@ public abstract class ArithmeticConversion {
 			case eDouble:
 			case eFloat:
 			case eFloat128:
+			case eDecimal32:
+			case eDecimal64:
+			case eDecimal128:
 			case eUnspecified:
 			case eVoid:
 			case eNullPtr:
@@ -242,6 +245,9 @@ public abstract class ArithmeticConversion {
 			case eDouble:
 			case eFloat:
 			case eFloat128:
+			case eDecimal32:
+			case eDecimal64:
+			case eDecimal128:
 			case eNullPtr:
 				assert false;
 			}
@@ -294,7 +300,8 @@ public abstract class ArithmeticConversion {
 	private boolean isLongDouble(IType type) {
 		if (type instanceof IBasicType) {
 			final IBasicType bt= (IBasicType) type;
-			return bt.isLong() && bt.getKind() == Kind.eDouble || bt.getKind() == Kind.eFloat128;
+			return bt.isLong() && bt.getKind() == Kind.eDouble || bt.getKind() == Kind.eFloat128 ||
+					bt.getKind() == Kind.eDecimal128;
 		}
 		return false;
 	}
@@ -302,7 +309,7 @@ public abstract class ArithmeticConversion {
 	private static boolean isDouble(IType type) {
 		if (type instanceof IBasicType) {
 			final IBasicType bt= (IBasicType) type;
-			return bt.getKind() == Kind.eDouble;
+			return bt.getKind() == Kind.eDouble || bt.getKind() == Kind.eDecimal64;
 		}
 		return false;
 	}
@@ -310,7 +317,7 @@ public abstract class ArithmeticConversion {
 	private static boolean isFloat(IType type) {
 		if (type instanceof IBasicType) {
 			final IBasicType bt= (IBasicType) type;
-			return bt.getKind() == Kind.eFloat;
+			return bt.getKind() == Kind.eFloat || bt.getKind() == Kind.eDecimal32;
 		}
 		return false;
 	}

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

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2011, 2014 Google, Inc and others.
+ * Copyright (c) 2011, 2015 Google, 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
@@ -76,6 +76,9 @@ public class SizeofCalculator {
 	public final SizeAndAlignment sizeof_complex_long_double;
 	public final SizeAndAlignment sizeof_float128;
 	public final SizeAndAlignment sizeof_complex_float128;
+	public final SizeAndAlignment sizeof_decimal32;
+	public final SizeAndAlignment sizeof_decimal64;
+	public final SizeAndAlignment sizeof_decimal128;
 
 	private final IASTTranslationUnit ast;
 
@@ -144,6 +147,9 @@ public class SizeofCalculator {
 		sizeof_complex_long_double = getSizeOfPair(sizeof_long_double);
 		sizeof_float128 = size_16;  // GCC does not define __SIZEOF_FLOAT128__
 		sizeof_complex_float128 = getSizeOfPair(sizeof_float128);
+		sizeof_decimal32 = size_4;  // GCC does not define __SIZEOF_DECIMAL32__
+		sizeof_decimal64 = size_8;  // GCC does not define __SIZEOF_DECIMAL64__
+		sizeof_decimal128 = size_16;  // GCC does not define __SIZEOF_DECIMAL128__
 	}
 
 	private SizeofCalculator() {
@@ -167,6 +173,9 @@ public class SizeofCalculator {
 		sizeof_complex_long_double = null;
 		sizeof_float128 = size_16;
 		sizeof_complex_float128 = getSizeOfPair(sizeof_float128);
+		sizeof_decimal32 = size_4;
+		sizeof_decimal64 = size_8;
+		sizeof_decimal128 = size_16;
 		ast = null;
 	}
 
@@ -233,6 +242,12 @@ public class SizeofCalculator {
 					(type.isLong() ? sizeof_complex_long_double : sizeof_complex_double);
 		case eFloat128:
 			return type.isComplex() ? sizeof_complex_float128 : sizeof_float128;
+		case eDecimal32:
+			return sizeof_decimal32;
+		case eDecimal64:
+			return sizeof_decimal64;
+		case eDecimal128:
+			return sizeof_decimal128;
 		case eWChar:
 			return sizeof_wchar_t;
 		case eChar16:

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CASTSimpleDeclSpecifier.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2005, 2011 IBM Corporation and others.
+ * Copyright (c) 2005, 2015 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
@@ -106,6 +106,12 @@ public class CASTSimpleDeclSpecifier extends CASTBaseDeclSpecifier implements IC
 			return t_float;
 		case eFloat128:
 			return t_float;
+		case eDecimal32:
+			return t_decimal32;
+		case eDecimal64:
+			return t_decimal64;
+		case eDecimal128:
+			return t_decimal128;
 		case eInt:
 			return t_int;
 		case eInt128:

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/CBasicType.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2005, 2010 IBM Corporation and others.
+ * Copyright (c) 2005, 2015 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
@@ -75,6 +75,12 @@ public class CBasicType implements ICBasicType, ISerializableType {
 			return Kind.eFloat;
 		case IASTSimpleDeclSpecifier.t_float128:
 			return Kind.eFloat128;
+		case IASTSimpleDeclSpecifier.t_decimal32:
+			return Kind.eDecimal32;
+		case IASTSimpleDeclSpecifier.t_decimal64:
+			return Kind.eDecimal64;
+		case IASTSimpleDeclSpecifier.t_decimal128:
+			return Kind.eDecimal128;
 		case IASTSimpleDeclSpecifier.t_int:
 			return Kind.eInt;
 		case IASTSimpleDeclSpecifier.t_int128:
@@ -218,6 +224,9 @@ public class CBasicType implements ICBasicType, ISerializableType {
 		case eNullPtr:
 		case eInt128:
 		case eFloat128:
+		case eDecimal32:
+		case eDecimal64:
+		case eDecimal128:
 			// Null pointer type cannot be expressed wit ha simple decl specifier.
 			break;
 		}

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/c/GNUCSourceParser.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2005, 2014 IBM Corporation and others.
+ * Copyright (c) 2005, 2015 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
@@ -1042,6 +1042,27 @@ public class GNUCSourceParser extends AbstractGNUSourceCodeParser {
     				encounteredRawType= true;
     				endOffset= consume().getEndOffset();
     				break;
+    			case IGCCToken.t_decimal32:
+    				if (encounteredTypename)
+    					break declSpecifiers;
+    				simpleType = IASTSimpleDeclSpecifier.t_decimal32;
+    				encounteredRawType= true;
+    				endOffset= consume().getEndOffset();
+    				break;
+    			case IGCCToken.t_decimal64:
+    				if (encounteredTypename)
+    					break declSpecifiers;
+    				simpleType = IASTSimpleDeclSpecifier.t_decimal64;
+    				encounteredRawType= true;
+    				endOffset= consume().getEndOffset();
+    				break;
+    			case IGCCToken.t_decimal128:
+    				if (encounteredTypename)
+    					break declSpecifiers;
+    				simpleType = IASTSimpleDeclSpecifier.t_decimal128;
+    				encounteredRawType= true;
+    				endOffset= consume().getEndOffset();
+    				break;
     			case IToken.t_signed:
     				if (encounteredTypename)
     					break declSpecifiers;

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

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2004, 2014 IBM Corporation and others.
+ * Copyright (c) 2004, 2015 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
@@ -93,6 +93,12 @@ public class CPPASTSimpleDeclSpecifier extends CPPASTBaseDeclSpecifier
 			return t_float;
 		case eFloat128:
 			return t_float128;
+		case eDecimal32:
+			return t_decimal32;
+		case eDecimal64:
+			return t_decimal64;
+		case eDecimal128:
+			return t_decimal128;
 		case eInt:
 			return t_int;
 		case eInt128:

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

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2004, 2014 IBM Corporation and others.
+ * Copyright (c) 2004, 2015 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
@@ -115,6 +115,12 @@ public class CPPBasicType implements ICPPBasicType, ISerializableType {
 			return Kind.eFloat;
 		case IASTSimpleDeclSpecifier.t_float128:
 			return Kind.eFloat128;
+		case IASTSimpleDeclSpecifier.t_decimal32:
+			return Kind.eDecimal32;
+		case IASTSimpleDeclSpecifier.t_decimal64:
+			return Kind.eDecimal64;
+		case IASTSimpleDeclSpecifier.t_decimal128:
+			return Kind.eDecimal128;
 		case IASTSimpleDeclSpecifier.t_int:
 			return Kind.eInt;
 		case IASTSimpleDeclSpecifier.t_int128:
@@ -295,6 +301,9 @@ public class CPPBasicType implements ICPPBasicType, ISerializableType {
 		case eNullPtr:
 		case eInt128:
 		case eFloat128:
+		case eDecimal32:
+		case eDecimal64:
+		case eDecimal128:
 			// Null pointer type cannot be expressed wit ha simple decl specifier.
 			break;
 		}

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

@@ -3098,6 +3098,27 @@ public class GNUCPPSourceParser extends AbstractGNUSourceCodeParser {
         			encounteredRawType= true;
         			endOffset= consume().getEndOffset();
         			break;
+        		case IGCCToken.t_decimal32:
+        			if (encounteredTypename)
+        				break declSpecifiers;
+        			simpleType = IASTSimpleDeclSpecifier.t_decimal32;
+        			encounteredRawType= true;
+        			endOffset= consume().getEndOffset();
+        			break;
+        		case IGCCToken.t_decimal64:
+        			if (encounteredTypename)
+        				break declSpecifiers;
+        			simpleType = IASTSimpleDeclSpecifier.t_decimal64;
+        			encounteredRawType= true;
+        			endOffset= consume().getEndOffset();
+        			break;
+        		case IGCCToken.t_decimal128:
+        			if (encounteredTypename)
+        				break declSpecifiers;
+        			simpleType = IASTSimpleDeclSpecifier.t_decimal128;
+        			encounteredRawType= true;
+        			endOffset= consume().getEndOffset();
+        			break;
         		case IToken.t_void:
         			if (encounteredTypename)
         				break declSpecifiers;

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

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2010, 2012 Wind River Systems, Inc. and others.
+ * Copyright (c) 2010, 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
@@ -597,6 +597,9 @@ class BuiltinOperators {
 			case eDouble:
 			case eFloat:
 			case eFloat128:
+			case eDecimal32:
+			case eDecimal64:
+			case eDecimal128:
 				return true;
 			case eBoolean:
 			case eChar:
@@ -625,6 +628,9 @@ class BuiltinOperators {
 			case eDouble:
 			case eFloat:
 			case eFloat128:
+			case eDecimal32:
+			case eDecimal64:
+			case eDecimal128:
 			case eInt:
 			case eInt128:
 			case eWChar:
@@ -653,6 +659,9 @@ class BuiltinOperators {
 			case eDouble:
 			case eFloat:
 			case eFloat128:
+			case eDecimal32:
+			case eDecimal64:
+			case eDecimal128:
 			case eUnspecified:
 			case eVoid:
 			case eNullPtr:

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/rewrite/astwriter/DeclSpecWriter.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2008, 2014 Institute for Software, HSR Hochschule fuer Technik
+ * Copyright (c) 2008, 2015 Institute for Software, HSR Hochschule fuer Technik
  * Rapperswil, University of applied sciences and others
  * All rights reserved. This program and the accompanying materials 
  * are made available under the terms of the Eclipse Public License v1.0 
@@ -92,6 +92,12 @@ public class DeclSpecWriter extends NodeWriter {
 			return Keywords.DOUBLE;
 		case IASTSimpleDeclSpecifier.t_float128:
 			return GCCKeywords.__FLOAT128;
+		case IASTSimpleDeclSpecifier.t_decimal32:
+			return GCCKeywords._DECIMAL32;
+		case IASTSimpleDeclSpecifier.t_decimal64:
+			return GCCKeywords._DECIMAL64;
+		case IASTSimpleDeclSpecifier.t_decimal128:
+			return GCCKeywords._DECIMAL128;
 			
 		case IASTSimpleDeclSpecifier.t_bool:
 			return isCpp ? Keywords.BOOL : Keywords._BOOL;