[X10-commits] SF.net SVN: x10:[12826] trunk

[<ta...@us...>]

Revision: 12826
          http://x10.svn.sourceforge.net/x10/?rev=12826&view=rev
Author:   tardieu
Date:     2010-02-08 17:08:57 +0000 (Mon, 08 Feb 2010)

Log Message:
-----------
added experimental annotation to request an object to be stack allocated
(actual stack allocation is not implemented yet)

Modified Paths:
--------------
    trunk/x10.compiler/src/x10cpp/visit/MessagePassingCodeGenerator.java

Added Paths:
-----------
    trunk/x10.runtime/src-x10/x10/compiler/StackAllocate.x10

Modified: trunk/x10.compiler/src/x10cpp/visit/MessagePassingCodeGenerator.java
===================================================================
--- trunk/x10.compiler/src/x10cpp/visit/MessagePassingCodeGenerator.java	2010-02-08 16:28:01 UTC (rev 12825)
+++ trunk/x10.compiler/src/x10cpp/visit/MessagePassingCodeGenerator.java	2010-02-08 17:08:57 UTC (rev 12826)
@@ -3206,6 +3206,14 @@
 		X10TypeSystem xts = (X10TypeSystem)context.typeSystem();
 		ConstructorInstance constructor = n.constructorInstance();
 
+		// TODO: implement @StackAllocate
+		try {
+		    Type annotation = (Type) xts.systemResolver().find(QName.make("x10.compiler.StackAllocate"));
+		    if (!((X10Ext) n.ext()).annotationMatching(annotation).isEmpty()) {
+		        System.err.println("@StackAllocate " + n);
+		    }
+		} catch (SemanticException e) {}
+		
 		if (n.qualifier() != null)
 			throw new InternalCompilerError("Qualified new not supported");
 		if (n.body() != null)

Added: trunk/x10.runtime/src-x10/x10/compiler/StackAllocate.x10
===================================================================
--- trunk/x10.runtime/src-x10/x10/compiler/StackAllocate.x10	                        (rev 0)
+++ trunk/x10.runtime/src-x10/x10/compiler/StackAllocate.x10	2010-02-08 17:08:57 UTC (rev 12826)
@@ -0,0 +1,17 @@
+/*
+ *
+ * (C) Copyright IBM Corporation 2006-2008.
+ *
+ *  This file is part of X10 Language.
+ *
+ */
+
+package x10.compiler;
+
+import x10.lang.annotations.ExpressionAnnotation;
+
+/** An annotation on "new" that requests the compiler to stack allocate the object
+ * EXPERIMENTAL
+ * @author Olivier Tardieu
+ */
+public interface StackAllocate extends ExpressionAnnotation { }


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