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src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/spi/VirtualizerTool.java

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rev 52509 : [mq]: graal


   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 
  25 package org.graalvm.compiler.nodes.spi;
  26 
  27 import java.util.List;
  28 
  29 import org.graalvm.compiler.core.common.spi.ArrayOffsetProvider;
  30 import org.graalvm.compiler.debug.DebugContext;
  31 import org.graalvm.compiler.debug.GraalError;
  32 import org.graalvm.compiler.graph.Node;
  33 import org.graalvm.compiler.nodes.ValueNode;
  34 import org.graalvm.compiler.nodes.java.MonitorIdNode;
  35 import org.graalvm.compiler.nodes.virtual.VirtualObjectNode;
  36 import org.graalvm.compiler.options.OptionValues;
  37 
  38 import jdk.vm.ci.meta.ConstantReflectionProvider;
  39 import jdk.vm.ci.meta.JavaConstant;
  40 import jdk.vm.ci.meta.JavaKind;
  41 import jdk.vm.ci.meta.MetaAccessProvider;
  42 
  43 /**
  44  * This tool can be used to query the current state (normal/virtualized/re-materialized) of values
  45  * and to describe the actions that would be taken for this state.
  46  *
  47  * See also {@link Virtualizable}.
  48  */
  49 public interface VirtualizerTool {
  50 
  51     /**
  52      * @return the {@link MetaAccessProvider} associated with the current compilation.
  53      */
  54     MetaAccessProvider getMetaAccessProvider();
  55 
  56     /**
  57      * @return the {@link ConstantReflectionProvider} associated with the current compilation, which
  58      *         can be used to access {@link JavaConstant}s.
  59      */
  60     ConstantReflectionProvider getConstantReflectionProvider();
  61 
  62     ArrayOffsetProvider getArrayOffsetProvider();
  63 
  64     /**
  65      * This method should be used to query the maximum size of virtualized objects before attempting
  66      * virtualization.
  67      *
  68      * @return the maximum number of entries for virtualized objects.
  69      */
  70     int getMaximumEntryCount();
  71 
  72     // methods working on virtualized/materialized objects
  73 
  74     /**
  75      * Introduces a new virtual object to the current state.
  76      *
  77      * @param virtualObject the new virtual object.
  78      * @param entryState the initial state of the virtual object's fields.
  79      * @param locks the initial locking depths.
  80      * @param ensureVirtualized true if this object needs to stay virtual
  81      */
  82     void createVirtualObject(VirtualObjectNode virtualObject, ValueNode[] entryState, List<MonitorIdNode> locks, boolean ensureVirtualized);




   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 
  25 package org.graalvm.compiler.nodes.spi;
  26 
  27 import java.util.List;
  28 

  29 import org.graalvm.compiler.debug.DebugContext;
  30 import org.graalvm.compiler.debug.GraalError;
  31 import org.graalvm.compiler.graph.Node;
  32 import org.graalvm.compiler.nodes.ValueNode;
  33 import org.graalvm.compiler.nodes.java.MonitorIdNode;
  34 import org.graalvm.compiler.nodes.virtual.VirtualObjectNode;
  35 import org.graalvm.compiler.options.OptionValues;
  36 
  37 import jdk.vm.ci.meta.ConstantReflectionProvider;
  38 import jdk.vm.ci.meta.JavaConstant;
  39 import jdk.vm.ci.meta.JavaKind;
  40 import jdk.vm.ci.meta.MetaAccessProvider;
  41 
  42 /**
  43  * This tool can be used to query the current state (normal/virtualized/re-materialized) of values
  44  * and to describe the actions that would be taken for this state.
  45  *
  46  * See also {@link Virtualizable}.
  47  */
  48 public interface VirtualizerTool {
  49 
  50     /**
  51      * @return the {@link MetaAccessProvider} associated with the current compilation.
  52      */
  53     MetaAccessProvider getMetaAccess();
  54 
  55     /**
  56      * @return the {@link ConstantReflectionProvider} associated with the current compilation, which
  57      *         can be used to access {@link JavaConstant}s.
  58      */
  59     ConstantReflectionProvider getConstantReflection();


  60 
  61     /**
  62      * This method should be used to query the maximum size of virtualized objects before attempting
  63      * virtualization.
  64      *
  65      * @return the maximum number of entries for virtualized objects.
  66      */
  67     int getMaximumEntryCount();
  68 
  69     // methods working on virtualized/materialized objects
  70 
  71     /**
  72      * Introduces a new virtual object to the current state.
  73      *
  74      * @param virtualObject the new virtual object.
  75      * @param entryState the initial state of the virtual object's fields.
  76      * @param locks the initial locking depths.
  77      * @param ensureVirtualized true if this object needs to stay virtual
  78      */
  79     void createVirtualObject(VirtualObjectNode virtualObject, ValueNode[] entryState, List<MonitorIdNode> locks, boolean ensureVirtualized);


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