blob: fd17fef9db9b1e6b72bba948b04568a11359d9f2 [file] [log] [blame]
// Copyright (c) 2017, the R8 project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
package com.android.tools.r8.code;
import com.android.tools.r8.errors.InternalCompilerError;
import com.android.tools.r8.graph.DexMethodHandle;
import com.android.tools.r8.graph.ObjectToOffsetMapping;
import com.android.tools.r8.graph.OffsetToObjectMapping;
import com.android.tools.r8.graph.UseRegistry;
import com.android.tools.r8.graph.UseRegistry.MethodHandleUse;
import com.android.tools.r8.ir.conversion.IRBuilder;
import com.android.tools.r8.naming.ClassNameMapper;
import java.nio.ShortBuffer;
public class ConstMethodHandle extends Format21c {
public static final int OPCODE = 0xfe;
public static final String NAME = "ConstMethodHandle";
public static final String SMALI_NAME = "const-method-handle";
ConstMethodHandle(int high, BytecodeStream stream, OffsetToObjectMapping mapping) {
super(high, stream, mapping.getMethodHandleMap());
}
public ConstMethodHandle(int register, DexMethodHandle methodHandle) {
super(register, methodHandle);
}
public DexMethodHandle getMethodHandle() {
return (DexMethodHandle) BBBB;
}
@Override
public String getName() {
return NAME;
}
@Override
public String getSmaliName() {
return SMALI_NAME;
}
@Override
public int getOpcode() {
return OPCODE;
}
@Override
public String toString(ClassNameMapper naming) {
return formatString("v" + AA + ", \"" + BBBB.toString() + "\"");
}
@Override
public String toSmaliString(ClassNameMapper naming) {
return formatSmaliString("v" + AA + ", \"" + BBBB.toString() + "\"");
}
@Override
public void registerUse(UseRegistry registry) {
registry.registerMethodHandle(
getMethodHandle(), MethodHandleUse.NOT_ARGUMENT_TO_LAMBDA_METAFACTORY);
}
@Override
public void write(ShortBuffer dest, ObjectToOffsetMapping mapping) {
int index = BBBB.getOffset(mapping);
if (index != (index & 0xffff)) {
throw new InternalCompilerError("MethodHandle-index overflow.");
}
super.write(dest, mapping);
}
@Override
public void buildIR(IRBuilder builder) {
builder.addConstMethodHandle(AA, (DexMethodHandle) BBBB);
}
@Override
public boolean canThrow() {
return true;
}
}