| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| package org.apache.royale.compiler.problems; |
| |
| import org.apache.royale.abc.graph.IBasicBlock; |
| import org.apache.royale.abc.graph.IFlowgraph; |
| import org.apache.royale.compiler.common.ISourceLocation; |
| import org.apache.royale.compiler.common.SourceLocation; |
| import org.apache.royale.compiler.problems.annotations.DefaultSeverity; |
| |
| /** |
| * Base class for internal compiler problems that are created |
| * when AET determined the code generator produced obviously |
| * invalid byte code. |
| */ |
| @DefaultSeverity(CompilerProblemSeverity.ERROR) |
| public abstract class InvalidByteCodeGeneratedProblem extends CompilerProblem |
| { |
| protected InvalidByteCodeGeneratedProblem(ISourceLocation location) |
| { |
| super(location); |
| } |
| |
| /** |
| * Helper method that will use debug op code information to deduce a source |
| * location from an instruction offset in a Block in a |
| * {@link IFlowgraph}. |
| * |
| * @param cfg {@link IFlowgraph} containing the specified |
| * Block. |
| * @param b Block containing the instruction to deduce a |
| * {@link ISourceLocation} for. |
| * @param instructionIndex Offset in the specified Block of the |
| * instruction to deduce a {@link ISourceLocation} for. |
| * @return The deduced {@link ISourceLocation}. |
| */ |
| public static ISourceLocation computeSourceLocationForBlockAndInstruction(IFlowgraph cfg, IBasicBlock b, int instructionIndex) |
| { |
| String currentFileName = cfg.findSourcePath(b, instructionIndex); |
| int currentLine = cfg.findLineNumber(b, instructionIndex); |
| |
| if ( currentFileName != null && currentLine != -1 ) |
| return new SourceLocation(currentFileName, ISourceLocation.UNKNOWN, ISourceLocation.UNKNOWN, currentLine, ISourceLocation.UNKNOWN); |
| else |
| return new SourceLocation(); |
| } |
| } |