| // 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.cf.code; |
| |
| import com.android.tools.r8.cf.CfPrinter; |
| import com.android.tools.r8.graph.DexString; |
| import com.android.tools.r8.graph.DexType; |
| import com.android.tools.r8.ir.conversion.CfSourceCode; |
| import com.android.tools.r8.ir.conversion.CfState; |
| import com.android.tools.r8.ir.conversion.IRBuilder; |
| import com.android.tools.r8.ir.optimize.Inliner.ConstraintWithTarget; |
| import com.android.tools.r8.ir.optimize.InliningConstraints; |
| import com.android.tools.r8.naming.NamingLens; |
| import org.objectweb.asm.MethodVisitor; |
| |
| public class CfConstString extends CfInstruction { |
| |
| private DexString string; |
| |
| public CfConstString(DexString string) { |
| this.string = string; |
| } |
| |
| public DexString getString() { |
| return string; |
| } |
| |
| public void setString(DexString string) { |
| this.string = string; |
| } |
| |
| @Override |
| public CfConstString asConstString() { |
| return this; |
| } |
| |
| @Override |
| public boolean isConstString() { |
| return true; |
| } |
| |
| @Override |
| public void write(MethodVisitor visitor, NamingLens lens) { |
| visitor.visitLdcInsn(string.toString()); |
| } |
| |
| @Override |
| public void print(CfPrinter printer) { |
| printer.print(this); |
| } |
| |
| @Override |
| public boolean canThrow() { |
| // const-string* may throw in dex. (Not in CF, see CfSourceCode.canThrowHelper) |
| return true; |
| } |
| |
| @Override |
| public void buildIR(IRBuilder builder, CfState state, CfSourceCode code) { |
| builder.addConstString( |
| state.push(builder.appView.dexItemFactory().stringType).register, string); |
| } |
| |
| @Override |
| public ConstraintWithTarget inliningConstraint( |
| InliningConstraints inliningConstraints, |
| DexType invocationContext) { |
| return inliningConstraints.forConstInstruction(); |
| } |
| } |