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Merge pull request #4005 from jruby/truffle-system-call-error
[Truffle] Add SystemCallError Layout for errno field
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34 changes: 34 additions & 0 deletions
34
truffle/src/main/java/org/jruby/truffle/core/exception/SystemCallErrorLayout.java
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/* | ||
* Copyright (c) 2015, 2016 Oracle and/or its affiliates. All rights reserved. This | ||
* code is released under a tri EPL/GPL/LGPL license. You can use it, | ||
* redistribute it and/or modify it under the terms of the: | ||
* | ||
* Eclipse Public License version 1.0 | ||
* GNU General Public License version 2 | ||
* GNU Lesser General Public License version 2.1 | ||
*/ | ||
package org.jruby.truffle.core.exception; | ||
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import com.oracle.truffle.api.object.DynamicObject; | ||
import com.oracle.truffle.api.object.DynamicObjectFactory; | ||
import com.oracle.truffle.api.object.dsl.Layout; | ||
import com.oracle.truffle.api.object.dsl.Nullable; | ||
import org.jruby.truffle.language.backtrace.Backtrace; | ||
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@Layout | ||
public interface SystemCallErrorLayout extends ExceptionLayout { | ||
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DynamicObjectFactory createSystemCallErrorShape( | ||
DynamicObject logicalClass, | ||
DynamicObject metaClass); | ||
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DynamicObject createSystemCallError( | ||
DynamicObjectFactory factory, | ||
@Nullable Object message, | ||
@Nullable Backtrace backtrace, | ||
Object errno); | ||
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Object getErrno(DynamicObject object); | ||
void setErrno(DynamicObject object, Object value); | ||
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} |
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36
truffle/src/main/java/org/jruby/truffle/core/exception/SystemCallErrorNodes.java
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package org.jruby.truffle.core.exception; | ||
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import com.oracle.truffle.api.dsl.Specialization; | ||
import com.oracle.truffle.api.object.DynamicObject; | ||
import org.jruby.truffle.Layouts; | ||
import org.jruby.truffle.builtins.CoreClass; | ||
import org.jruby.truffle.builtins.CoreMethod; | ||
import org.jruby.truffle.builtins.CoreMethodArrayArgumentsNode; | ||
import org.jruby.truffle.builtins.Primitive; | ||
import org.jruby.truffle.builtins.PrimitiveArrayArgumentsNode; | ||
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@CoreClass("SystemCallError") | ||
public abstract class SystemCallErrorNodes { | ||
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@CoreMethod(names = "errno") | ||
public abstract static class ErrnoNode extends CoreMethodArrayArgumentsNode { | ||
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@Specialization | ||
public Object errno(DynamicObject self) { | ||
return Layouts.SYSTEM_CALL_ERROR.getErrno(self); | ||
} | ||
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} | ||
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@Primitive(name = "exception_set_errno") | ||
public abstract static class ErrnoSetNode extends PrimitiveArrayArgumentsNode { | ||
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@Specialization | ||
public Object setErrno(DynamicObject error, Object errno) { | ||
Layouts.SYSTEM_CALL_ERROR.setErrno(error, errno); | ||
return errno; | ||
} | ||
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} | ||
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} |
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