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Merge pull request #4258 from jruby/add-default-encodings-to-encoding…
…-manager [Truffle] Add default encodings to encoding manager
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152 changes: 152 additions & 0 deletions
152
truffle/src/main/java/org/jruby/truffle/core/encoding/TruffleEncodingNodes.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,152 @@ | ||
| /* | ||
| * Copyright (c) 2014, 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.encoding; | ||
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| import com.oracle.truffle.api.CompilerAsserts; | ||
| import com.oracle.truffle.api.CompilerDirectives; | ||
| import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary; | ||
| import com.oracle.truffle.api.dsl.Specialization; | ||
| import com.oracle.truffle.api.frame.VirtualFrame; | ||
| import com.oracle.truffle.api.object.DynamicObject; | ||
| import org.jcodings.Encoding; | ||
| import org.jcodings.EncodingDB; | ||
| import org.jcodings.specific.USASCIIEncoding; | ||
| import org.jcodings.util.CaseInsensitiveBytesHash; | ||
| import org.jcodings.util.Hash; | ||
| import org.jruby.truffle.builtins.CoreClass; | ||
| import org.jruby.truffle.builtins.CoreMethod; | ||
| import org.jruby.truffle.builtins.CoreMethodArrayArgumentsNode; | ||
| import org.jruby.truffle.builtins.YieldingCoreMethodNode; | ||
| import org.jruby.truffle.core.cast.ToStrNode; | ||
| import org.jruby.truffle.core.cast.ToStrNodeGen; | ||
| import org.jruby.truffle.core.string.StringOperations; | ||
| import org.jruby.truffle.language.control.RaiseException; | ||
| import org.jruby.util.ByteList; | ||
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| @CoreClass("Truffle::Encoding") | ||
| public abstract class TruffleEncodingNodes { | ||
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| @CoreMethod(names = "default_external=", onSingleton = true, required = 1) | ||
| public abstract static class SetDefaultExternalNode extends CoreMethodArrayArgumentsNode { | ||
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| @Child private ToStrNode toStrNode; | ||
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| @Specialization(guards = "isRubyEncoding(encoding)") | ||
| public DynamicObject defaultExternalEncoding(DynamicObject encoding) { | ||
| getContext().getEncodingManager().setDefaultExternalEncoding(EncodingOperations.getEncoding(encoding)); | ||
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| return encoding; | ||
| } | ||
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| @Specialization(guards = "isRubyString(encodingString)") | ||
| public DynamicObject defaultExternal(DynamicObject encodingString) { | ||
| final DynamicObject rubyEncoding = getContext().getEncodingManager().getRubyEncoding(StringOperations.getString(encodingString)); | ||
| getContext().getEncodingManager().setDefaultExternalEncoding(EncodingOperations.getEncoding(rubyEncoding)); | ||
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| return rubyEncoding; | ||
| } | ||
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| @Specialization(guards = "isNil(nil)") | ||
| public DynamicObject defaultExternal(Object nil) { | ||
| throw new RaiseException(coreExceptions().argumentError("default external can not be nil", this)); | ||
| } | ||
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| @Specialization(guards = { "!isRubyEncoding(encoding)", "!isRubyString(encoding)", "!isNil(encoding)" }) | ||
| public DynamicObject defaultExternal(VirtualFrame frame, Object encoding) { | ||
| if (toStrNode == null) { | ||
| CompilerDirectives.transferToInterpreterAndInvalidate(); | ||
| toStrNode = insert(ToStrNodeGen.create(getContext(), null, null)); | ||
| } | ||
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| return defaultExternal(toStrNode.executeToStr(frame, encoding)); | ||
| } | ||
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| } | ||
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| @CoreMethod(names = "default_internal=", onSingleton = true, required = 1) | ||
| public abstract static class SetDefaultInternalNode extends CoreMethodArrayArgumentsNode { | ||
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| @Child private ToStrNode toStrNode; | ||
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| @Specialization(guards = "isRubyEncoding(encoding)") | ||
| public DynamicObject defaultInternal(DynamicObject encoding) { | ||
| getContext().getEncodingManager().setDefaultInternalEncoding(EncodingOperations.getEncoding(encoding)); | ||
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| return encoding; | ||
| } | ||
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| @Specialization(guards = "isNil(encoding)") | ||
| public DynamicObject defaultInternal(Object encoding) { | ||
| getContext().getEncodingManager().setDefaultInternalEncoding(null); | ||
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| return nil(); | ||
| } | ||
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| @Specialization(guards = { "!isRubyEncoding(encoding)", "!isNil(encoding)" }) | ||
| public DynamicObject defaultInternal(VirtualFrame frame, Object encoding) { | ||
| if (toStrNode == null) { | ||
| CompilerDirectives.transferToInterpreterAndInvalidate(); | ||
| toStrNode = insert(ToStrNodeGen.create(getContext(), null, null)); | ||
| } | ||
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| final DynamicObject encodingName = toStrNode.executeToStr(frame, encoding); | ||
| getContext().getJRubyRuntime().setDefaultInternalEncoding(EncodingOperations.getEncoding(getContext().getEncodingManager().getRubyEncoding(encodingName.toString()))); | ||
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| return encodingName; | ||
| } | ||
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| } | ||
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| @CoreMethod(names = "each_alias", onSingleton = true, needsBlock = true) | ||
| public abstract static class EachAliasNode extends YieldingCoreMethodNode { | ||
|
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| @Specialization | ||
| public DynamicObject eachAlias(VirtualFrame frame, DynamicObject block) { | ||
| CompilerAsserts.neverPartOfCompilation(); | ||
| for (Hash.HashEntry<EncodingDB.Entry> entry : EncodingDB.getAliases().entryIterator()) { | ||
| final CaseInsensitiveBytesHash.CaseInsensitiveBytesHashEntry<EncodingDB.Entry> e = (CaseInsensitiveBytesHash.CaseInsensitiveBytesHashEntry<EncodingDB.Entry>) entry; | ||
| final ByteList aliasName = new ByteList(e.bytes, e.p, e.end - e.p, USASCIIEncoding.INSTANCE, false); | ||
| yield(frame, block, createString(aliasName), entry.value.getIndex()); | ||
| } | ||
| return nil(); | ||
| } | ||
| } | ||
|
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| @CoreMethod(names = "get_default_encoding", onSingleton = true, required = 1) | ||
| public abstract static class GetDefaultEncodingNode extends CoreMethodArrayArgumentsNode { | ||
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| @Specialization(guards = "isRubyString(name)") | ||
| public DynamicObject getDefaultEncoding(DynamicObject name) { | ||
| final Encoding encoding = getEncoding(StringOperations.getString(name)); | ||
| if (encoding == null) { | ||
| return nil(); | ||
| } else { | ||
| return getContext().getEncodingManager().getRubyEncoding(encoding); | ||
| } | ||
| } | ||
|
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| @TruffleBoundary | ||
| private Encoding getEncoding(String name) { | ||
| switch (name) { | ||
| case "internal": | ||
| return getContext().getEncodingManager().getDefaultInternalEncoding(); | ||
| case "external": | ||
| return getContext().getEncodingManager().getDefaultExternalEncoding(); | ||
| case "locale": | ||
| case "filesystem": | ||
| return getContext().getEncodingManager().getLocaleEncoding(); | ||
| default: | ||
| throw new UnsupportedOperationException(); | ||
| } | ||
| } | ||
| } | ||
|
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|
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| } |
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