private Module loadModuleFromSource(String pkgName, LinkedList<JCCompilationUnit> moduleTrees) {
if (pkgName.isEmpty()) return null;
String moduleClassName = pkgName + ".module";
JavaFileObject fileObject;
try {
if (options.get(OptionName.VERBOSE) != null) {
Log.printLines(log.noticeWriter, "[Trying to load module " + moduleClassName + "]");
}
fileObject =
fileManager.getJavaFileForInput(
StandardLocation.SOURCE_PATH, moduleClassName, Kind.SOURCE);
if (options.get(OptionName.VERBOSE) != null) {
Log.printLines(log.noticeWriter, "[Got file object: " + fileObject + "]");
}
} catch (IOException e) {
e.printStackTrace();
return loadModuleFromSource(getParentPackage(pkgName), moduleTrees);
}
if (fileObject != null) {
CeylonCompilationUnit ceylonCompilationUnit = (CeylonCompilationUnit) parse(fileObject);
moduleTrees.add(ceylonCompilationUnit);
// parse the module info from there
Module module = ceylonCompilationUnit.phasedUnit.visitSrcModulePhase();
ceylonCompilationUnit.phasedUnit.visitRemainingModulePhase();
// now try to obtain the parsed module
if (module != null) {
ceylonCompilationUnit.phasedUnit.getPackage().setModule(module);
return module;
}
}
return loadModuleFromSource(getParentPackage(pkgName), moduleTrees);
}
/** Print a string that explains usage for X options. */
void xhelp() {
for (int i = 0; i < recognizedOptions.length; i++) {
recognizedOptions[i].xhelp(out);
}
out.println();
Log.printLines(out, getLocalizedString("msg.usage.nonstandard.footer"));
}
/** Print a string that explains usage. */
void help() {
Log.printLines(out, getLocalizedString("msg.usage.header", ownName));
for (int i = 0; i < recognizedOptions.length; i++) {
recognizedOptions[i].help(out);
}
out.println();
}
/** Report a usage error. */
void error(String key, Object... args) {
if (fatalErrors) {
String msg = getLocalizedString(key, args);
throw new PropagatedException(new IllegalStateException(msg));
}
warning(key, args);
Log.printLines(out, getLocalizedString("msg.usage", ownName));
}
private JavaFileObject genCodeUnlessError(Env<AttrContext> env, JCClassDecl cdef)
throws IOException {
CeylonFileObject sourcefile = (CeylonFileObject) env.toplevel.sourcefile;
try {
// do not look at the global number of errors but only those for this file
if (super.gen.genClass(env, cdef) && !sourcefile.hasError(cdef.pos)) {
String packageName = cdef.sym.packge().getQualifiedName().toString();
Package pkg = modelLoader.findPackage(packageName);
if (pkg == null) throw new RuntimeException("Failed to find package: " + packageName);
Module module = pkg.getModule();
if (!module.isDefault()) {
String moduleName = module.getNameAsString();
CeylonFileObject moduleFileObject = moduleNamesToFileObjects.get(moduleName);
// if there's no module source file object it means the module descriptor had parse errors
if (moduleFileObject == null || moduleFileObject.hasError()) {
// we do not produce any class files for modules with errors
if (options.get(OptionName.VERBOSE) != null) {
Log.printLines(
log.noticeWriter,
"[Not writing class "
+ cdef.sym.className()
+ " because its module has errors: "
+ moduleName
+ "]");
}
return null;
}
}
return writer.writeClass(cdef.sym);
}
} catch (ClassWriter.PoolOverflow ex) {
log.error(cdef.pos(), "limit.pool");
} catch (ClassWriter.StringOverflow ex) {
log.error(cdef.pos(), "limit.string.overflow", ex.value.substring(0, 20));
} catch (CompletionFailure ex) {
chk.completionError(cdef.pos(), ex);
} catch (AssertionError e) {
throw new RuntimeException("Error generating bytecode for " + sourcefile.getName(), e);
}
return null;
}
public void printFullVersion() {
Log.printLines(
out, getLocalizedString("fullVersion", ownName, JavaCompiler.fullVersion()));
}
/** Print a message reporting an uncaught exception from an annotation processor. */
void apMessage(AnnotationProcessingError ex) {
Log.printLines(out, getLocalizedString("msg.proc.annotation.uncaught.exception"));
ex.getCause().printStackTrace();
}
/** Print a message reporting an out-of-resources error. */
void resourceMessage(Throwable ex) {
Log.printLines(out, getLocalizedString("msg.resource"));
// System.out.println("(name buffer len = " + Name.names.length + " " + Name.nc);//DEBUG
ex.printStackTrace(out);
}
/** Print a message reporting an input/output error. */
void ioMessage(Throwable ex) {
Log.printLines(out, getLocalizedString("msg.io"));
ex.printStackTrace(out);
}
/** Print a message reporting an fatal error. */
void feMessage(Throwable ex) {
Log.printLines(out, ex.getMessage());
}
/** Print a message reporting an internal error. */
void bugMessage(Throwable ex) {
Log.printLines(out, getLocalizedString("msg.bug", JavaCompiler.version()));
ex.printStackTrace(out);
}
/**
* Programmatic interface for main function.
*
* @param args The command line parameters.
*/
public int compile(
String[] args,
Context context,
List<JavaFileObject> fileObjects,
Iterable<? extends Processor> processors) {
if (options == null) options = Options.instance(context); // creates a new one
filenames = new ListBuffer<File>();
classnames = new ListBuffer<String>();
JavaCompiler comp = null;
/*
* TODO: Logic below about what is an acceptable command line
* should be updated to take annotation processing semantics
* into account.
*/
try {
if (args.length == 0 && fileObjects.isEmpty()) {
help();
return EXIT_CMDERR;
}
List<File> files;
try {
files = processArgs(CommandLine.parse(args));
if (files == null) {
// null signals an error in options, abort
return EXIT_CMDERR;
} else if (files.isEmpty() && fileObjects.isEmpty() && classnames.isEmpty()) {
// it is allowed to compile nothing if just asking for help or version info
if (options.get("-help") != null
|| options.get("-X") != null
|| options.get("-version") != null
|| options.get("-fullversion") != null) return EXIT_OK;
error("err.no.source.files");
return EXIT_CMDERR;
}
} catch (java.io.FileNotFoundException e) {
Log.printLines(
out, ownName + ": " + getLocalizedString("err.file.not.found", e.getMessage()));
return EXIT_SYSERR;
}
boolean forceStdOut = options.get("stdout") != null;
if (forceStdOut) {
out.flush();
out = new PrintWriter(System.out, true);
}
context.put(Log.outKey, out);
// allow System property in following line as a Mustang legacy
boolean batchMode =
(options.get("nonBatchMode") == null && System.getProperty("nonBatchMode") == null);
if (batchMode) CacheFSInfo.preRegister(context);
fileManager = context.get(JavaFileManager.class);
comp = JavaCompiler.instance(context);
if (comp == null) return EXIT_SYSERR;
if (!files.isEmpty()) {
// add filenames to fileObjects
comp = JavaCompiler.instance(context);
List<JavaFileObject> otherFiles = List.nil();
JavacFileManager dfm = (JavacFileManager) fileManager;
for (JavaFileObject fo : dfm.getJavaFileObjectsFromFiles(files))
otherFiles = otherFiles.prepend(fo);
for (JavaFileObject fo : otherFiles) fileObjects = fileObjects.prepend(fo);
}
comp.compile(fileObjects, classnames.toList(), processors);
if (comp.errorCount() != 0) return EXIT_ERROR;
} catch (IOException ex) {
ioMessage(ex);
return EXIT_SYSERR;
} catch (OutOfMemoryError ex) {
resourceMessage(ex);
return EXIT_SYSERR;
} catch (StackOverflowError ex) {
resourceMessage(ex);
return EXIT_SYSERR;
} catch (FatalError ex) {
feMessage(ex);
return EXIT_SYSERR;
} catch (AnnotationProcessingError ex) {
apMessage(ex);
return EXIT_SYSERR;
} catch (ClientCodeException ex) {
// as specified by javax.tools.JavaCompiler#getTask
// and javax.tools.JavaCompiler.CompilationTask#call
throw new RuntimeException(ex.getCause());
} catch (PropagatedException ex) {
throw ex.getCause();
} catch (Throwable ex) {
// Nasty. If we've already reported an error, compensate
// for buggy compiler error recovery by swallowing thrown
// exceptions.
if (comp == null || comp.errorCount() == 0 || options == null || options.get("dev") != null)
bugMessage(ex);
return EXIT_ABNORMAL;
} finally {
if (comp != null) comp.close();
filenames = null;
options = null;
}
return EXIT_OK;
}
/** Report a warning. */
void warning(String key, Object... args) {
Log.printLines(out, ownName + ": " + getLocalizedString(key, args));
}
void xhelp() {
String s = " " + helpSynopsis();
out.print(s);
for (int j = s.length(); j < 29; j++) out.print(" ");
Log.printLines(out, getLocalizedString(descrKey));
}
private Module loadModuleFromSource(
String pkgName,
LinkedList<JCCompilationUnit> moduleTrees,
List<JCCompilationUnit> parsedTrees) {
if (pkgName.isEmpty()) return null;
String moduleClassName = pkgName + ".module";
JavaFileObject fileObject;
try {
if (options.get(OptionName.VERBOSE) != null) {
Log.printLines(log.noticeWriter, "[Trying to load module " + moduleClassName + "]");
}
fileObject =
fileManager.getJavaFileForInput(
StandardLocation.SOURCE_PATH, moduleClassName, Kind.SOURCE);
if (options.get(OptionName.VERBOSE) != null) {
Log.printLines(log.noticeWriter, "[Got file object: " + fileObject + "]");
}
} catch (IOException e) {
e.printStackTrace();
return loadModuleFromSource(getParentPackage(pkgName), moduleTrees, parsedTrees);
}
if (fileObject != null) {
// first make sure we're not already compiling it: this can happen if we have several versions
// of the
// same module already loaded: we will get one which isn't the one we compile, but that's not
// the one
// we really want to compile.
for (JCCompilationUnit parsedTree : parsedTrees) {
if (parsedTree.sourcefile.equals(fileObject)
&& parsedTree instanceof CeylonCompilationUnit) {
// same file! we already parsed it, let's return this one's module
PhasedUnit phasedUnit = ((CeylonCompilationUnit) parsedTree).phasedUnit;
// the module visitor does load the module but does not set the unit's package module
if (phasedUnit.getPackage().getModule() == null) {
// so find the module it created
for (Module mod : ceylonContext.getModules().getListOfModules()) {
// we recognise it with the unit
if (mod.getUnit() == phasedUnit.getUnit()) {
// set the package's module
Package pkg = phasedUnit.getPackage();
pkg.setModule(mod);
mod.getPackages().add(pkg);
modulesLoadedFromSource.add(mod);
break;
}
}
}
// now return it
return phasedUnit.getPackage().getModule();
}
}
JCCompilationUnit javaCompilationUnit = parse(fileObject);
Module module;
if (javaCompilationUnit instanceof CeylonCompilationUnit) {
CeylonCompilationUnit ceylonCompilationUnit = (CeylonCompilationUnit) javaCompilationUnit;
moduleTrees.add(ceylonCompilationUnit);
// parse the module info from there
module = ceylonCompilationUnit.phasedUnit.visitSrcModulePhase();
ceylonCompilationUnit.phasedUnit.visitRemainingModulePhase();
// now set the module
if (module != null) {
ceylonCompilationUnit.phasedUnit.getPackage().setModule(module);
}
} else {
// there was a syntax error in the module descriptor, make a pretend module so that we can
// correctly mark all declarations as part of that module, but we won't generate any code
// for it
ModuleManager moduleManager = phasedUnits.getModuleManager();
module = moduleManager.getOrCreateModule(Arrays.asList(pkgName.split("\\.")), "bogus");
}
// now remember it
if (module != null) {
modulesLoadedFromSource.add(module);
return module;
}
}
return loadModuleFromSource(getParentPackage(pkgName), moduleTrees, parsedTrees);
}