/**
* Preprocess and compile all the code for this sketch.
*
* <p>In an advanced program, the returned class name could be different, which is why the
* className is set based on the return value. A compilation error will burp up a RunnerException.
*
* @return null if compilation failed, main class name if not
*/
public String build(boolean verbose, boolean save)
throws RunnerException, PreferencesMapException, IOException {
// run the preprocessor
editor.status.progressUpdate(20);
ensureExistence();
CompilerProgressListener progressListener = editor.status::progressUpdate;
boolean deleteTemp = false;
File pathToSketch = sketch.getPrimaryFile().getFile();
if (sketch.isModified()) {
// If any files are modified, make a copy of the sketch with the changes
// saved, so arduino-builder will see the modifications.
pathToSketch = saveSketchInTempFolder();
deleteTemp = true;
}
try {
return new Compiler(pathToSketch, sketch).build(progressListener, save);
} finally {
// Make sure we clean up any temporary sketch copy
if (deleteTemp) FileUtils.recursiveDelete(pathToSketch.getParentFile());
}
}
private File saveSketchInTempFolder() throws IOException {
File tempFolder = FileUtils.createTempFolder("arduino_modified_sketch_");
FileUtils.copy(sketch.getFolder(), tempFolder);
for (SketchFile file :
Stream.of(sketch.getFiles()).filter(SketchFile::isModified).collect(Collectors.toList())) {
Files.write(
Paths.get(tempFolder.getAbsolutePath(), file.getFileName()),
file.getProgram().getBytes());
}
return Paths.get(tempFolder.getAbsolutePath(), sketch.getPrimaryFile().getFileName()).toFile();
}