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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,4 @@ | ||
| fails:String#unpack with format 'M' calls #to_str to coerce the directives string | ||
| fails:String#unpack with format 'm' calls #to_str to coerce the directives string | ||
| fails:String#unpack with format 'M' ignores the count or '*' modifier and decodes the entire string | ||
| fails:String#unpack with format 'm' ignores the count or '*' modifier and decodes the entire string |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1,3 @@ | ||
| fails:String#unpack with format 'Z' calls #to_str to coerce the directives string | ||
| fails:String#unpack with format 'Z' stops decoding at NULL bytes when passed the '*' modifier | ||
| fails:String#unpack with format 'Z' decodes the number of bytes specified by the count modifier and truncates the decoded string at the first NULL byte |
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93 changes: 93 additions & 0 deletions
93
truffle/src/main/java/org/jruby/truffle/format/nodes/UnpackRootNode.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| /* | ||
| * Copyright (c) 2015 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.format.nodes; | ||
|
|
||
| import com.oracle.truffle.api.CompilerDirectives; | ||
| import com.oracle.truffle.api.CompilerDirectives.CompilationFinal; | ||
| import com.oracle.truffle.api.frame.FrameSlotTypeException; | ||
| import com.oracle.truffle.api.frame.VirtualFrame; | ||
| import com.oracle.truffle.api.nodes.RootNode; | ||
| import com.oracle.truffle.api.source.SourceSection; | ||
| import org.jruby.truffle.format.runtime.PackEncoding; | ||
| import org.jruby.truffle.format.runtime.PackFrameDescriptor; | ||
| import org.jruby.truffle.format.runtime.PackResult; | ||
| import org.jruby.truffle.runtime.RubyLanguage; | ||
| import org.jruby.truffle.runtime.array.ArrayUtils; | ||
|
|
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| public class UnpackRootNode extends RootNode { | ||
|
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| private final String description; | ||
| private final PackEncoding encoding; | ||
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| @Child private PackNode child; | ||
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| @CompilationFinal private int expectedLength = ArrayUtils.capacity(0, 0); | ||
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| public UnpackRootNode(String description, PackEncoding encoding, PackNode child) { | ||
| super(RubyLanguage.class, SourceSection.createUnavailable("unpack", description), PackFrameDescriptor.FRAME_DESCRIPTOR); | ||
| this.description = description; | ||
| this.encoding = encoding; | ||
| this.child = child; | ||
| } | ||
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| @Override | ||
| public Object execute(VirtualFrame frame) { | ||
| frame.setObject(PackFrameDescriptor.SOURCE_SLOT, frame.getArguments()[0]); | ||
| frame.setInt(PackFrameDescriptor.SOURCE_LENGTH_SLOT, (int) frame.getArguments()[1]); | ||
| frame.setInt(PackFrameDescriptor.SOURCE_POSITION_SLOT, 0); | ||
| frame.setObject(PackFrameDescriptor.OUTPUT_SLOT, new Object[expectedLength]); | ||
| frame.setInt(PackFrameDescriptor.OUTPUT_POSITION_SLOT, 0); | ||
| frame.setBoolean(PackFrameDescriptor.TAINT_SLOT, false); | ||
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| child.execute(frame); | ||
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| final int outputLength; | ||
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| try { | ||
| outputLength = frame.getInt(PackFrameDescriptor.OUTPUT_POSITION_SLOT); | ||
| } catch (FrameSlotTypeException e) { | ||
| throw new IllegalStateException(e); | ||
| } | ||
|
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| if (outputLength > expectedLength) { | ||
| CompilerDirectives.transferToInterpreterAndInvalidate(); | ||
| expectedLength = ArrayUtils.capacity(expectedLength, outputLength); | ||
| } | ||
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| final Object[] output; | ||
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| try { | ||
| output = (Object[]) frame.getObject(PackFrameDescriptor.OUTPUT_SLOT); | ||
| } catch (FrameSlotTypeException e) { | ||
| throw new IllegalStateException(e); | ||
| } | ||
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| final boolean taint; | ||
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| try { | ||
| taint = frame.getBoolean(PackFrameDescriptor.TAINT_SLOT); | ||
| } catch (FrameSlotTypeException e) { | ||
| throw new IllegalStateException(e); | ||
| } | ||
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| return new PackResult(output, outputLength, taint, encoding); | ||
| } | ||
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| @Override | ||
| public boolean isCloningAllowed() { | ||
| return true; | ||
| } | ||
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| @Override | ||
| public String toString() { | ||
| return description; | ||
| } | ||
|
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| } |
37 changes: 37 additions & 0 deletions
37
truffle/src/main/java/org/jruby/truffle/format/nodes/control/AtUnpackNode.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| /* | ||
| * Copyright (c) 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.format.nodes.control; | ||
|
|
||
| import com.oracle.truffle.api.frame.VirtualFrame; | ||
| import org.jruby.truffle.format.nodes.PackNode; | ||
| import org.jruby.truffle.format.runtime.exceptions.OutsideOfStringException; | ||
| import org.jruby.truffle.runtime.RubyContext; | ||
|
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| public class AtUnpackNode extends PackNode { | ||
|
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| private final int position; | ||
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| public AtUnpackNode(RubyContext context, int position) { | ||
| super(context); | ||
| this.position = position; | ||
| } | ||
|
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| @Override | ||
| public Object execute(VirtualFrame frame) { | ||
| if (position > getSourceLength(frame)) { | ||
| throw new OutsideOfStringException(); | ||
| } | ||
|
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| setSourcePosition(frame, position); | ||
|
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| return null; | ||
| } | ||
|
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| } |
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