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https://github.com/i-net-software/JWebAssembly.git
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Use also the object model with vtable and hashcode for array objects.
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Volker Berlin
parent
13ffea0ca9
commit
c29ed6340c
@ -1,35 +1,42 @@
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/*
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Copyright 2020 Volker Berlin (i-net software)
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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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http://www.apache.org/licenses/LICENSE-2.0
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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.module;
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import java.util.Arrays;
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/*
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Copyright 2020 Volker Berlin (i-net software)
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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import java.util.function.Supplier;
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import de.inetsoftware.jwebassembly.javascript.JavaScriptSyntheticFunctionName;
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import de.inetsoftware.jwebassembly.wasm.AnyType;
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import de.inetsoftware.jwebassembly.wasm.ArrayOperator;
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import de.inetsoftware.jwebassembly.wasm.ArrayType;
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import de.inetsoftware.jwebassembly.wasm.NumericOperator;
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import de.inetsoftware.jwebassembly.wasm.ValueType;
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import de.inetsoftware.jwebassembly.wasm.VariableOperator;
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import de.inetsoftware.jwebassembly.wasm.WasmBlockOperator;
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import de.inetsoftware.jwebassembly.watparser.WatParser;
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/**
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* Synthetic functions for creating multidimensional dimensional arrays
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*
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* @author Volker Berlin
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*/
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public class MultiArrayFunctionName extends JavaScriptSyntheticFunctionName {
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public class MultiArrayFunctionName extends WatCodeSyntheticFunctionName {
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private int dim;
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private ArrayType type;
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/**
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* Create a new instance
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@ -39,8 +46,10 @@ public class MultiArrayFunctionName extends JavaScriptSyntheticFunctionName {
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* @param type
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* the full type of the allocated array
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*/
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public MultiArrayFunctionName( int dim, ArrayType type ) {
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super( "NonGC", createName( dim, type ), createJS( dim, type ), createSignature( dim, type ) );
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MultiArrayFunctionName( int dim, ArrayType type ) {
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super( "NonGC", createName( dim, type ), "()V", null, createSignature( dim, type ) );
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this.dim = dim;
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this.type = type;
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}
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/**
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@ -53,7 +62,7 @@ public class MultiArrayFunctionName extends JavaScriptSyntheticFunctionName {
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private static ValueType getElementType( ArrayType type ) {
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do {
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AnyType arrayType = type.getArrayType();
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if( arrayType.getClass() != ArrayType.class ) {
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if( arrayType.getClass() == ArrayType.class ) {
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type = (ArrayType)arrayType;
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continue;
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}
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@ -91,74 +100,59 @@ public class MultiArrayFunctionName extends JavaScriptSyntheticFunctionName {
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}
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/**
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* Get the factory for the JavaScript method
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*
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* @param dim
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* the dimension
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* @param type
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* the full type of the allocated array
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* @return the JavaScript factory
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* {@inheritDoc}
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*/
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private static Supplier<String> createJS( int dim, ArrayType type ) {
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return () -> {
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// the dimention that must be array and not typed array
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int dimMulti = dim - 1;
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@Override
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protected WasmCodeBuilder getCodeBuilder( WatParser watParser ) {
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watParser.reset( null, null, getSignature( null ) );
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int javaCodePos = 0;
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// create parameter signature
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StringBuilder js = new StringBuilder( "(" );
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for( int i = 0; i < dimMulti; i++ ) {
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js.append( 'd' ).append( i );
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js.append( ',' );
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// allocate the main array (top most) and save it in a local variable
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AnyType arrayType = type.getArrayType();
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watParser.addLocalInstruction( VariableOperator.get, 0, javaCodePos++, -1 );
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watParser.addArrayInstruction( ArrayOperator.NEW, arrayType, javaCodePos++, -1 );
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watParser.addLocalInstruction( VariableOperator.set, dim, javaCodePos++, -1 );
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watParser.addBlockInstruction( WasmBlockOperator.BLOCK, null, javaCodePos++, -1 );
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watParser.addBlockInstruction( WasmBlockOperator.LOOP, null, javaCodePos++, -1 );
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{
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// end condition
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watParser.addLocalInstruction( VariableOperator.get, 0, javaCodePos++, -1 );
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watParser.addNumericInstruction( NumericOperator.eqz, ValueType.i32, javaCodePos++, -1 );
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watParser.addBlockInstruction( WasmBlockOperator.BR_IF, 1, javaCodePos++, -1 );
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// get the reference to the top most array
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watParser.addLocalInstruction( VariableOperator.get, dim, javaCodePos++, -1 );
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// decrement the counter
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watParser.addLocalInstruction( VariableOperator.get, 0, javaCodePos++, -1 );
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watParser.addConstInstruction( 1, javaCodePos++, -1 );
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watParser.addNumericInstruction( NumericOperator.sub, ValueType.i32, javaCodePos++, -1 );
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watParser.addLocalInstruction( VariableOperator.tee, 0, javaCodePos++, -1 );
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// allocate a sub array
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for( int i = 1; i < dim; i++ ) {
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watParser.addLocalInstruction( VariableOperator.get, i, javaCodePos++, -1 );
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}
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js.append( "l)=>" );
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createJsArray( js, 0, dimMulti, type );
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return js.toString();
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};
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}
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/**
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* Recursion for the allocation with default value
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*
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* @param js
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* the target
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* @param idx
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* running dimension index
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* @param dimMulti
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* the count of not typed dimensions
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* @param type
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* the full type of the allocated array
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*/
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private static void createJsArray( StringBuilder js, int idx, int dimMulti, ArrayType type ) {
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js.append( "Array.from({length:d" ).append( idx ).append( "}, ()=>" );
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idx++;
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if( idx < dimMulti ) {
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createJsArray( js, idx, dimMulti, type );
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} else {
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switch( getElementType( type ) ) {
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case i8:
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js.append( "new Uint8Array(l)" );
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break;
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case i16:
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js.append( "new Int16Array(l)" );
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break;
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case i32:
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js.append( "new Int32Array(l)" );
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break;
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case i64:
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js.append( "new BigInt64Array(l)" );
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break;
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case f32:
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js.append( "new Float32Array(l)" );
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break;
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case f64:
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js.append( "new Float64Array(l)" );
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break;
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default:
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js.append( "Object.seal(new Array(l).fill(null))" );
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if( dim > 2 ) {
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watParser.addMultiNewArrayInstruction( dim - 1, (ArrayType)arrayType, javaCodePos++, -1 );
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} else {
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watParser.addArrayInstruction( ArrayOperator.NEW, arrayType, javaCodePos++, -1 );
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}
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// set the sub array into the main array
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watParser.addArrayInstruction( ArrayOperator.SET, arrayType, javaCodePos++, -1 );
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// continue the loop
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watParser.addBlockInstruction( WasmBlockOperator.BR, 0, javaCodePos++, -1 );
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}
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js.append( ')' );
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watParser.addBlockInstruction( WasmBlockOperator.END, null, javaCodePos++, -1 );
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watParser.addBlockInstruction( WasmBlockOperator.END, null, javaCodePos++, -1 );
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//return the created array
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watParser.addLocalInstruction( VariableOperator.get, dim, javaCodePos++, -1 );
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watParser.addBlockInstruction( WasmBlockOperator.RETURN, null, javaCodePos++, -1 );
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return watParser;
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}
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}
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@ -31,7 +31,6 @@ import de.inetsoftware.classparser.LocalVariableTable;
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import de.inetsoftware.classparser.Member;
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import de.inetsoftware.classparser.MethodInfo;
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import de.inetsoftware.jwebassembly.WasmException;
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import de.inetsoftware.jwebassembly.javascript.JavaScriptNewMultiArrayFunctionName;
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import de.inetsoftware.jwebassembly.javascript.NonGC;
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import de.inetsoftware.jwebassembly.module.StackInspector.StackValue;
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import de.inetsoftware.jwebassembly.module.WasmInstruction.Type;
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@ -737,15 +736,14 @@ public abstract class WasmCodeBuilder {
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* the line number in the Java source code
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*/
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protected void addArrayInstruction( ArrayOperator op, AnyType type, int javaCodePos, int lineNumber ) {
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if( options.useGC() ) {
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instructions.add( new WasmArrayInstruction( op, type, types, javaCodePos, lineNumber ) );
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} else {
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if( type.getCode() >= 0 || type.getCode() == ValueType.externref.getCode() ) {
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type = ValueType.externref; // handle all not native types as anyref
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WasmArrayInstruction arrayInst = new WasmArrayInstruction( op, type, types, javaCodePos, lineNumber );
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instructions.add( arrayInst );
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if( !options.useGC() ) {
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SyntheticFunctionName name = arrayInst.createNonGcFunction();
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if( name != null ) {
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functions.markAsNeeded( name );
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functions.markAsImport( name, name.getAnnotation() );
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}
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String api = "array_" + op.toString().toLowerCase() + "_" + type;
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FunctionName name = getNonGC( api, lineNumber );
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addCallInstruction( name, javaCodePos, lineNumber );
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}
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}
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@ -763,12 +761,24 @@ public abstract class WasmCodeBuilder {
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*/
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protected void addMultiNewArrayInstruction( int dim, String typeName, int javaCodePos, int lineNumber ) {
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ArrayType type = (ArrayType)new ValueTypeParser( typeName, types ).next();
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if( options.useGC() ) {
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throw new WasmException( "multi new array is not supported", lineNumber );
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} else {
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FunctionName name = new JavaScriptNewMultiArrayFunctionName( dim, type );
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addCallInstruction( name, javaCodePos, lineNumber );
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}
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addMultiNewArrayInstruction( dim, type, javaCodePos, lineNumber );
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}
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/**
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* Add a new multi dimensional array instruction
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*
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* @param dim
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* the dimension of the array >= 2
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* @param type
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* the full type
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* @param javaCodePos
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* the code position/offset in the Java method
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* @param lineNumber
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* the line number in the Java source code
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*/
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protected void addMultiNewArrayInstruction( int dim, ArrayType type, int javaCodePos, int lineNumber ) {
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MultiArrayFunctionName name = new MultiArrayFunctionName( dim, type );
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addCallInstruction( name, javaCodePos, lineNumber );
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}
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/**
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