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fix declaring of array types in binary format
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src/de/inetsoftware/jwebassembly/binary/ArrayTypeEntry.java
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82
src/de/inetsoftware/jwebassembly/binary/ArrayTypeEntry.java
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@ -0,0 +1,82 @@
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/*
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* Copyright 2021 Volker Berlin (i-net software)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package de.inetsoftware.jwebassembly.binary;
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import java.io.IOException;
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import java.util.List;
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import de.inetsoftware.jwebassembly.wasm.NamedStorageType;
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import de.inetsoftware.jwebassembly.wasm.ValueType;
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/**
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* An array type entry in the type section of the WebAssembly.
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*
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* @author Volker Berlin
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*/
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class ArrayTypeEntry extends TypeEntry {
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private final NamedStorageType field;
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/**
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* Create a new instance.
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*
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* @param fields
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* the fields of the array
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*/
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ArrayTypeEntry( List<NamedStorageType> fields ) {
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this.field = fields.get( 0 );
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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ValueType getTypeForm() {
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return ValueType.array;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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void writeSectionEntryDetails( WasmOutputStream stream ) throws IOException {
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stream.writeRefValueType( field.getType() );
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stream.writeVarint( 1 ); // 0 - immutable; 1 - mutable
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public int hashCode() {
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return field.hashCode();
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public boolean equals( Object obj ) {
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if( obj == this ) {
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return true;
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}
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if( obj == null || obj.getClass() != getClass() ) {
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return false;
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}
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ArrayTypeEntry entry = (ArrayTypeEntry)obj;
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return field.equals( entry.field );
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}
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}
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@ -507,7 +507,8 @@ public class BinaryModuleWriter extends ModuleWriter implements InstructionOpcod
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}
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int typeId = functionTypes.size();
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functionTypes.add( new StructTypeEntry( type.getFields() ) );
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List<NamedStorageType> fields = type.getFields();
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functionTypes.add( type.getKind() == StructTypeKind.array_native ? new ArrayTypeEntry( fields ) : new StructTypeEntry( fields ) );
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return typeId;
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}
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