Initial import.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524

Tools/Source/Cpptasks/net/sf/antcontrib/cpptasks/TargetMatcher.java

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+/*
+ * 
+ * Copyright 2002-2004 The Ant-Contrib project
+ *
+ *  Licensed 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 net.sf.antcontrib.cpptasks;
+import java.io.File;
+import java.util.Hashtable;
+import java.util.Vector;
+
+import net.sf.antcontrib.cpptasks.compiler.LinkerConfiguration;
+import net.sf.antcontrib.cpptasks.compiler.ProcessorConfiguration;
+
+import org.apache.tools.ant.BuildException;
+/**
+ * This class matches each visited file with an appropriate compiler
+ * 
+ * @author Curt Arnold
+ */
+public final class TargetMatcher implements FileVisitor {
+    private LinkerConfiguration linker;
+    private Vector objectFiles;
+    private File outputDir;
+    private ProcessorConfiguration[] processors;
+    private final File sourceFiles[] = new File[1];
+    private Hashtable targets;
+    private CCTask task;
+    public TargetMatcher(CCTask task, File outputDir,
+            ProcessorConfiguration[] processors, LinkerConfiguration linker,
+            Vector objectFiles, Hashtable targets) {
+        this.task = task;
+        this.outputDir = outputDir;
+        this.processors = processors;
+        this.targets = targets;
+        this.linker = linker;
+        this.objectFiles = objectFiles;
+    }
+    public void visit(File parentDir, String filename) throws BuildException {
+        //
+        //   see if any processor wants to bid
+        //       on this one
+        ProcessorConfiguration selectedCompiler = null;
+        int bid = 0;
+        if (processors != null) {
+            for (int k = 0; k < processors.length; k++) {
+                int newBid = processors[k].bid(filename);
+                if (newBid > bid) {
+                    bid = newBid;
+                    selectedCompiler = processors[k];
+                }
+            }
+        }
+        //
+        //   no processor interested in file
+        //      log diagnostic message
+        if (bid <= 0) {
+            if (linker != null) {
+                int linkerbid = linker.bid(filename);
+                if (linkerbid > 0) {
+                    File objFile = new File(parentDir, filename);
+                    objectFiles.addElement(objFile);
+                    if (linkerbid == 1) {
+                        task.log("Unrecognized file type " + objFile.toString()
+                                + " will be passed to linker");
+                    }
+                }
+            }
+        } else {
+            //
+            //  get output file name
+            //
+            String outputFileName = selectedCompiler
+                    .getOutputFileName(filename);
+            //
+            //   if there is some output for this task
+            //      (that is a source file and not an header file)
+            //
+            if (outputFileName != null) {
+                sourceFiles[0] = new File(parentDir, filename);
+                //
+                //   see if the same output file has already been registered
+                //
+                TargetInfo previousTarget = (TargetInfo) targets
+                        .get(outputFileName);
+                if (previousTarget == null) {
+                    targets.put(outputFileName, new TargetInfo(
+                            selectedCompiler, sourceFiles, null, new File(
+                                    outputDir, outputFileName),
+                            selectedCompiler.getRebuild()));
+                } else {
+                    if (!previousTarget.getSources()[0].equals(sourceFiles[0])) {
+                        StringBuffer builder = new StringBuffer(
+                                "Output filename conflict: ");
+                        builder.append(outputFileName);
+                        builder.append(" would be produced from ");
+                        builder.append(previousTarget.getSources()[0]
+                                .toString());
+                        builder.append(" and ");
+                        builder.append(filename);
+                        throw new BuildException(builder.toString());
+                    }
+                }
+            }
+        }
+    }
+}