| /* |
| * 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 flash.tools.debugger.expression; |
| |
| import java.io.FileNotFoundException; |
| import java.io.Reader; |
| import java.io.StringReader; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.EnumSet; |
| import java.util.List; |
| |
| import org.apache.royale.compiler.common.SourceLocation; |
| import org.apache.royale.compiler.filespecs.IFileSpecification; |
| import org.apache.royale.compiler.internal.parsing.as.ASParser; |
| import org.apache.royale.compiler.internal.scopes.ASFileScope; |
| import org.apache.royale.compiler.internal.semantics.PostProcessStep; |
| import org.apache.royale.compiler.internal.tree.as.NodeBase; |
| import org.apache.royale.compiler.internal.tree.as.ScopedBlockNode; |
| import org.apache.royale.compiler.internal.workspaces.Workspace; |
| import org.apache.royale.compiler.problems.ICompilerProblem; |
| import org.apache.royale.compiler.tree.as.IASNode; |
| import org.apache.royale.compiler.workspaces.IWorkspace; |
| |
| /** |
| * |
| * @author ggv |
| */ |
| public class DebuggerUtil |
| { |
| |
| /** |
| * |
| * @param code |
| * @param problems |
| * @return |
| */ |
| public static IASNode parseExpression(String code, List<ICompilerProblem> problems) |
| { |
| IWorkspace workspace = new Workspace(); |
| DebuggerUtil.InMemoryFileSpecification imfs = new DebuggerUtil.InMemoryFileSpecification(code); |
| EnumSet<PostProcessStep> empty = EnumSet.noneOf(PostProcessStep.class); |
| IASNode exprAST = ASParser.parseFile(imfs, workspace, empty, null, false, false, new ArrayList<String>(), null, null, null); |
| |
| // Have to create a fake ScopedBlockNode so the expression can do things |
| // like resolve, which means it has to be able to find a scope. |
| // For parsing an expression in a file, one would hook up the expression |
| // AST to whatever the real scope was. |
| ScopedBlockNode scopedNode = new ScopedBlockNode(); |
| scopedNode.addChild((NodeBase)exprAST); |
| scopedNode.setScope(new ASFileScope(workspace, "fake")); |
| scopedNode.runPostProcess(EnumSet.of(PostProcessStep.CALCULATE_OFFSETS)); |
| |
| // return the first (and only child). This is essentially unwrapping the |
| // FileNode that was wrapped around the expression being parsed |
| return exprAST.getChild(0); |
| } |
| |
| public static class InMemoryFileSpecification implements IFileSpecification |
| { |
| public InMemoryFileSpecification(String s) |
| { |
| this.s = s; |
| } |
| |
| private String s; |
| |
| public String getPath() |
| { |
| return "flash.tools.debugger"; |
| } |
| |
| public Reader createReader() throws FileNotFoundException |
| { |
| return new StringReader(s); |
| } |
| |
| public long getLastModified() |
| { |
| return 0; |
| } |
| |
| @Override |
| public void setLastModified(long fileDate) { |
| // TODO Auto-generated method stub |
| } |
| |
| public boolean isOpenDocument() |
| { |
| return false; |
| } |
| } |
| |
| } |