--- old/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/codegen/types/LongType.java 2020-04-15 18:47:26.000000000 +0530 +++ /dev/null 2020-04-15 18:47:26.000000000 +0530 @@ -1,145 +0,0 @@ -/* - * Copyright (c) 2010, 2016, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. Oracle designates this - * particular file as subject to the "Classpath" exception as provided - * by Oracle in the LICENSE file that accompanied this code. - * - * This code is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - */ - -package jdk.nashorn.internal.codegen.types; - -import static jdk.internal.org.objectweb.asm.Opcodes.L2D; -import static jdk.internal.org.objectweb.asm.Opcodes.L2I; -import static jdk.internal.org.objectweb.asm.Opcodes.LCONST_0; -import static jdk.internal.org.objectweb.asm.Opcodes.LCONST_1; -import static jdk.internal.org.objectweb.asm.Opcodes.LLOAD; -import static jdk.internal.org.objectweb.asm.Opcodes.LRETURN; -import static jdk.internal.org.objectweb.asm.Opcodes.LSTORE; -import static jdk.nashorn.internal.codegen.CompilerConstants.staticCallNoLookup; -import static jdk.nashorn.internal.runtime.JSType.UNDEFINED_LONG; - -import jdk.internal.org.objectweb.asm.MethodVisitor; -import jdk.nashorn.internal.codegen.CompilerConstants; -import jdk.nashorn.internal.runtime.JSType; - -/** - * Type class: LONG - */ -class LongType extends Type { - private static final long serialVersionUID = 1L; - - private static final CompilerConstants.Call VALUE_OF = staticCallNoLookup(Long.class, "valueOf", Long.class, long.class); - - protected LongType(final String name) { - super(name, long.class, 3, 2); - } - - protected LongType() { - this("long"); - } - - @Override - public Type nextWider() { - return NUMBER; - } - - @Override - public Class getBoxedType() { - return Long.class; - } - - @Override - public char getBytecodeStackType() { - return 'J'; - } - - @Override - public Type load(final MethodVisitor method, final int slot) { - assert slot != -1; - method.visitVarInsn(LLOAD, slot); - return LONG; - } - - @Override - public void store(final MethodVisitor method, final int slot) { - assert slot != -1; - method.visitVarInsn(LSTORE, slot); - } - - @Override - public Type ldc(final MethodVisitor method, final Object c) { - assert c instanceof Long; - - final long value = (Long) c; - - if (value == 0L) { - method.visitInsn(LCONST_0); - } else if (value == 1L) { - method.visitInsn(LCONST_1); - } else { - method.visitLdcInsn(c); - } - - return Type.LONG; - } - - @Override - public Type convert(final MethodVisitor method, final Type to) { - if (isEquivalentTo(to)) { - return to; - } - - if (to.isNumber()) { - method.visitInsn(L2D); - } else if (to.isInteger()) { - invokestatic(method, JSType.TO_INT32_L); - } else if (to.isBoolean()) { - method.visitInsn(L2I); - } else if (to.isObject()) { - invokestatic(method, VALUE_OF); - } else { - assert false : "Illegal conversion " + this + " -> " + to; - } - - return to; - } - - @Override - public Type add(final MethodVisitor method, final int programPoint) { - throw new UnsupportedOperationException("add"); - } - - @Override - public void _return(final MethodVisitor method) { - method.visitInsn(LRETURN); - } - - @Override - public Type loadUndefined(final MethodVisitor method) { - method.visitLdcInsn(UNDEFINED_LONG); - return LONG; - } - - @Override - public Type loadForcedInitializer(final MethodVisitor method) { - method.visitInsn(LCONST_0); - return LONG; - } -}