mirror of
https://github.com/openjdk/jdk.git
synced 2026-01-28 12:09:14 +00:00
107 lines
4.5 KiB
Java
107 lines
4.5 KiB
Java
/*
|
|
* Copyright (c) 2023, 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 jdk.internal.classfile.impl;
|
|
|
|
import jdk.internal.classfile.CodeBuilder;
|
|
import jdk.internal.classfile.CodeElement;
|
|
import jdk.internal.classfile.Label;
|
|
import jdk.internal.classfile.components.CodeRelabeler;
|
|
import jdk.internal.classfile.instruction.BranchInstruction;
|
|
import jdk.internal.classfile.instruction.CharacterRange;
|
|
import jdk.internal.classfile.instruction.ExceptionCatch;
|
|
import jdk.internal.classfile.instruction.LabelTarget;
|
|
import jdk.internal.classfile.instruction.LocalVariable;
|
|
import jdk.internal.classfile.instruction.LocalVariableType;
|
|
import jdk.internal.classfile.instruction.LookupSwitchInstruction;
|
|
import jdk.internal.classfile.instruction.SwitchCase;
|
|
import jdk.internal.classfile.instruction.TableSwitchInstruction;
|
|
|
|
import java.util.function.BiFunction;
|
|
|
|
public record CodeRelabelerImpl(BiFunction<Label, CodeBuilder, Label> mapFunction) implements CodeRelabeler {
|
|
|
|
@Override
|
|
public Label relabel(Label label, CodeBuilder cob) {
|
|
return mapFunction.apply(label, cob);
|
|
}
|
|
|
|
@Override
|
|
public void accept(CodeBuilder cob, CodeElement coe) {
|
|
switch (coe) {
|
|
case BranchInstruction bi ->
|
|
cob.branchInstruction(
|
|
bi.opcode(),
|
|
relabel(bi.target(), cob));
|
|
case LookupSwitchInstruction lsi ->
|
|
cob.lookupSwitchInstruction(
|
|
relabel(lsi.defaultTarget(), cob),
|
|
lsi.cases().stream().map(c ->
|
|
SwitchCase.of(
|
|
c.caseValue(),
|
|
relabel(c.target(), cob))).toList());
|
|
case TableSwitchInstruction tsi ->
|
|
cob.tableSwitchInstruction(
|
|
tsi.lowValue(),
|
|
tsi.highValue(),
|
|
relabel(tsi.defaultTarget(), cob),
|
|
tsi.cases().stream().map(c ->
|
|
SwitchCase.of(
|
|
c.caseValue(),
|
|
relabel(c.target(), cob))).toList());
|
|
case LabelTarget lt ->
|
|
cob.labelBinding(
|
|
relabel(lt.label(), cob));
|
|
case ExceptionCatch ec ->
|
|
cob.exceptionCatch(
|
|
relabel(ec.tryStart(), cob),
|
|
relabel(ec.tryEnd(), cob),
|
|
relabel(ec.handler(), cob),
|
|
ec.catchType());
|
|
case LocalVariable lv ->
|
|
cob.localVariable(
|
|
lv.slot(),
|
|
lv.name().stringValue(),
|
|
lv.typeSymbol(),
|
|
relabel(lv.startScope(), cob),
|
|
relabel(lv.endScope(), cob));
|
|
case LocalVariableType lvt ->
|
|
cob.localVariableType(
|
|
lvt.slot(),
|
|
lvt.name().stringValue(),
|
|
lvt.signatureSymbol(),
|
|
relabel(lvt.startScope(), cob),
|
|
relabel(lvt.endScope(), cob));
|
|
case CharacterRange chr ->
|
|
cob.characterRange(
|
|
relabel(chr.startScope(), cob),
|
|
relabel(chr.endScope(), cob),
|
|
chr.characterRangeStart(),
|
|
chr.characterRangeEnd(),
|
|
chr.flags());
|
|
default ->
|
|
cob.with(coe);
|
|
}
|
|
}
|
|
|
|
}
|