diff options
Diffstat (limited to 'src/main/java/com/jogamp/gluegen/jcpp/CppTask.java')
| -rw-r--r-- | src/main/java/com/jogamp/gluegen/jcpp/CppTask.java | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/src/main/java/com/jogamp/gluegen/jcpp/CppTask.java b/src/main/java/com/jogamp/gluegen/jcpp/CppTask.java new file mode 100644 index 0000000..e3be324 --- /dev/null +++ b/src/main/java/com/jogamp/gluegen/jcpp/CppTask.java @@ -0,0 +1,215 @@ +/* + * Anarres C Preprocessor + * Copyright (c) 2007-2008, Shevek + * + * 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 com.jogamp.gluegen.jcpp; + +import java.io.File; +import java.io.FileWriter; +import java.io.IOException; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Enumeration; +import java.util.List; +import org.apache.tools.ant.BuildException; +import org.apache.tools.ant.taskdefs.Copy; +import org.apache.tools.ant.types.FilterSet; +import org.apache.tools.ant.types.FilterSetCollection; +import org.apache.tools.ant.types.Path; + +/** + * An ant task for jcpp. + */ +public class CppTask extends Copy { + + private class Listener extends DefaultPreprocessorListener { + + @Override + protected void print(String msg) { + log(msg); + } + } + + public static class Macro { + + private String name; + private String value; + + public void setName(String name) { + this.name = name; + } + + public String getName() { + return name; + } + + public void setValue(String value) { + this.value = value; + } + + public String getValue() { + return value; + } + } + + private final Listener listener = new Listener(); + private final List<Macro> macros = new ArrayList<Macro>(); + private Path systemincludepath; + private Path localincludepath; + + public void addMacro(Macro macro) { + macros.add(macro); + } + + public void addSystemincludepath(Path path) { + if (systemincludepath == null) + systemincludepath = new Path(getProject()); + systemincludepath.add(path); + } + + public void addLocalincludepath(Path path) { + if (localincludepath == null) + localincludepath = new Path(getProject()); + localincludepath.add(path); + } + + /* + public void execute() { + FileWriter writer = null; + try { + if (input == null) + throw new BuildException("Input not specified"); + if (output == null) + throw new BuildException("Output not specified"); + cpp.addInput(this.input); + writer = new FileWriter(this.output); + for (;;) { + Token tok = cpp.token(); + if (tok != null && tok.getType() == Token.EOF) + break; + writer.write(tok.getText()); + } + } + catch (Exception e) { + throw new BuildException(e); + } + finally { + if (writer != null) { + try { + writer.close(); + } + catch (IOException e) { + } + } + } + } + */ + private void preprocess(File input, File output) throws Exception { + Preprocessor cpp = new Preprocessor(); + cpp.setListener(listener); + for (Macro macro : macros) + cpp.addMacro(macro.getName(), macro.getValue()); + if (systemincludepath != null) + cpp.setSystemIncludePath(Arrays.asList(systemincludepath.list())); + if (localincludepath != null) + cpp.setQuoteIncludePath(Arrays.asList(localincludepath.list())); + + File dir = output.getParentFile(); + if (!dir.exists()) { + if (!dir.mkdirs()) + throw new BuildException("Failed to make parent directory " + dir); + } else if (!dir.isDirectory()) { + throw new BuildException("Parent directory of output file " + output + " exists, but is not a directory."); + } + FileWriter writer = null; + try { + if (input == null) + throw new BuildException("Input not specified"); + if (output == null) + throw new BuildException("Output not specified"); + cpp.addInput(input); + writer = new FileWriter(output); + for (;;) { + Token tok = cpp.token(); + if (tok == null) + break; + if (tok.getType() == Token.EOF) + break; + writer.write(tok.getText()); + } + } finally { + if (writer != null) { + try { + writer.close(); + } catch (IOException e) { + } + } + } + } + + @Override + protected void doFileOperations() { + if (fileCopyMap.size() > 0) { + log("Copying " + fileCopyMap.size() + + " file" + (fileCopyMap.size() == 1 ? "" : "s") + + " to " + destDir.getAbsolutePath()); + + Enumeration<String> e = fileCopyMap.keys(); + + while (e.hasMoreElements()) { + String fromFile = e.nextElement(); + String[] toFiles = (String[]) fileCopyMap.get(fromFile); + + for (String toFile : toFiles) { + if (fromFile.equals(toFile)) { + log("Skipping self-copy of " + fromFile, verbosity); + continue; + } + + try { + log("Copying " + fromFile + " to " + toFile, verbosity); + + FilterSetCollection executionFilters + = new FilterSetCollection(); + if (filtering) { + executionFilters + .addFilterSet(getProject().getGlobalFilterSet()); + } + for (Enumeration filterEnum = getFilterSets().elements(); + filterEnum.hasMoreElements();) { + executionFilters + .addFilterSet((FilterSet) filterEnum.nextElement()); + } + + File srcFile = new File(fromFile); + File dstFile = new File(toFile); + preprocess(srcFile, dstFile); + } catch (Exception ioe) { + // ioe.printStackTrace(); + String msg = "Failed to copy " + fromFile + " to " + toFile + + " due to " + ioe.getMessage(); + File targetFile = new File(toFile); + if (targetFile.exists() && !targetFile.delete()) { + msg += " and I couldn't delete the corrupt " + toFile; + } + throw new BuildException(msg, ioe, getLocation()); + } + } + } + } + + } + +} |