Mercurial > hg > truffle
diff graal/com.oracle.max.asmdis/src/com/sun/max/asm/gen/cisc/x86/X86EnumerableParameter.java @ 3733:e233f5660da4
Added Java files from Maxine project.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sat, 17 Dec 2011 19:59:18 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.max.asmdis/src/com/sun/max/asm/gen/cisc/x86/X86EnumerableParameter.java Sat Dec 17 19:59:18 2011 +0100 @@ -0,0 +1,107 @@ +/* + * Copyright (c) 2007, 2011, 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. + * + * 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 com.sun.max.asm.gen.cisc.x86; + +import java.util.*; + +import com.sun.max.asm.*; +import com.sun.max.asm.gen.*; +import com.sun.max.program.*; +import com.sun.max.util.*; + +/** + */ +public class X86EnumerableParameter<EnumerableArgument_Type extends Enum<EnumerableArgument_Type> & EnumerableArgument<EnumerableArgument_Type>> extends X86Parameter implements EnumerableParameter { + + private final Enumerator<EnumerableArgument_Type> enumerator; + private final Argument exampleArgument; + + public X86EnumerableParameter(X86Operand.Designation designation, ParameterPlace place, Enumerator<EnumerableArgument_Type> enumerator) { + super(designation, place); + this.enumerator = enumerator; + final Iterator<EnumerableArgument_Type> it = enumerator.iterator(); + exampleArgument = it.hasNext() ? it.next().exampleValue() : null; + switch (place) { + case MOD_REG: + case MOD_REG_REXR: + case MOD_RM: + case MOD_RM_REXB: + setVariableName(designation.name().toLowerCase()); + break; + case SIB_SCALE: + setVariableName("scale"); + break; + case SIB_INDEX: + case SIB_INDEX_REXX: + setVariableName("index"); + break; + case SIB_BASE: + case SIB_BASE_REXB: + setVariableName("base"); + break; + case APPEND: + setVariableName(enumerator.type().getSimpleName().toLowerCase()); + break; + case OPCODE1: + case OPCODE1_REXB: + case OPCODE2_REXB: + setVariableName("register"); + break; + case OPCODE2: + setVariableName("st_i"); + break; + default: + throw ProgramError.unexpected(); + } + } + + public Enumerator<EnumerableArgument_Type> enumerator() { + return enumerator; + } + + public Class type() { + return enumerator.type(); + } + + public String valueString() { + return variableName() + ".value()"; + } + + public Iterable<EnumerableArgument_Type> getLegalTestArguments() { + return enumerator; + } + + public Iterable<? extends Argument> getIllegalTestArguments() { + return Collections.emptyList(); + } + + public Argument getExampleArgument() { + return exampleArgument; + } + + @Override + public String toString() { + return type().getSimpleName(); + } + +}