From 852f5e9d31c745bbd06f114f9e22e230dda8e6ff Mon Sep 17 00:00:00 2001
From: Markus Schorn <markus.schorn@windriver.com>
Date: Wed, 27 Jan 2010 13:18:01 +0000
Subject: [PATCH] Bug 300978: Template parameter without name.

---
 .../tests/IndexCPPTemplateResolutionTest.java | 21 +++++++++++++++++++
 .../dom/parser/cpp/CPPTemplateParameter.java  | 16 +++++++++++---
 2 files changed, 34 insertions(+), 3 deletions(-)

diff --git a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexCPPTemplateResolutionTest.java b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexCPPTemplateResolutionTest.java
index 4e82a76857a..1489c8241c8 100644
--- a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexCPPTemplateResolutionTest.java
+++ b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexCPPTemplateResolutionTest.java
@@ -1700,4 +1700,25 @@ public class IndexCPPTemplateResolutionTest extends IndexBindingResolutionTestBa
 		getBindingFromASTName("Noder1<int>", 11, ICPPClassSpecialization.class);
 		getBindingFromASTName("Noder2<int>", 11, ICPPClassSpecialization.class);
 	}
+	
+
+	//	template <typename> struct CT;
+	//	template <typename T> struct CT {
+	//		T f;
+	//	};
+	//	struct X {
+	//		int x;
+	//	};
+
+	//	void test() {
+	//		CT<X> p;
+	//		p.f.x; 
+	//	}
+	public void testTemplateParameterWithoutName_300978() throws Exception { 
+		getBindingFromASTName("x;", 1, ICPPField.class);
+		ICPPClassSpecialization ctx = getBindingFromASTName("CT<X>", 5, ICPPClassSpecialization.class);
+		ICPPClassTemplate ct= (ICPPClassTemplate) ctx.getSpecializedBinding();
+		assertEquals("T", ct.getTemplateParameters()[0].getName());
+	}
+
 }
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPTemplateParameter.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPTemplateParameter.java
index 16e30c90055..86e2f7f1181 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPTemplateParameter.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/CPPTemplateParameter.java
@@ -24,6 +24,7 @@ import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTTemplatedTypeTemplateParameter;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateDefinition;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameter;
 import org.eclipse.cdt.core.parser.util.ArrayUtil;
+import org.eclipse.cdt.core.parser.util.CharArrayUtils;
 import org.eclipse.cdt.internal.core.dom.Linkage;
 import org.eclipse.cdt.internal.core.dom.parser.ASTNode;
 import org.eclipse.cdt.internal.core.dom.parser.ProblemBinding;
@@ -92,15 +93,24 @@ public abstract class CPPTemplateParameter extends PlatformObject
 	/* (non-Javadoc)
 	 * @see org.eclipse.cdt.core.dom.ast.IBinding#getName()
 	 */
-	public String getName() {
+	public final String getName() {
 		return new String(getNameCharArray());
 	}
 
 	/* (non-Javadoc)
 	 * @see org.eclipse.cdt.core.dom.ast.IBinding#getNameCharArray()
 	 */
-	public char[] getNameCharArray() {
-		return declarations[0].getSimpleID();
+	public final char[] getNameCharArray() {
+		// Search for the first declaration that has a name.
+		for (IASTName decl : declarations) {
+			if (decl == null)
+				break;
+			
+			final char[] result= decl.getSimpleID();
+			if (result.length > 0)
+				return result;
+		}
+		return CharArrayUtils.EMPTY;
 	}
 
 	public int getParameterID() {