public LanguageCompiler(Context context) {
super(context);
ceylonContext = getCeylonContextInstance(context);
vfs = ceylonContext.getVfs();
compilerDelegate = getCompilerDelegate(context);
phasedUnits = getPhasedUnitsInstance(context);
try {
gen = CeylonTransformer.getInstance(context);
} catch (Exception e) {
throw new RuntimeException(e);
}
modelLoader = CeylonModelLoader.instance(context);
ceylonEnter = CeylonEnter.instance(context);
options = Options.instance(context);
isBootstrap = options.get(Option.BOOTSTRAPCEYLON) != null;
timer = Timer.instance(context);
sourceLanguage = SourceLanguage.instance(context);
boolean isProgressPrinted =
options.get(Option.CEYLONPROGRESS) != null && StatusPrinter.canPrint();
if (isProgressPrinted) {
sp = getStatusPrinterInstance(context);
if (taskListener == null) {
taskListener.add(new StatusPrinterTaskListener(sp));
}
}
}
/** Get the JavaCompiler instance for this context. */
public static JavaCompiler instance(Context context) {
Options options = Options.instance(context);
options.put("-Xprefer", "source");
// make sure it's registered
Log log = CeylonLog.instance(context);
CeylonEnter.instance(context);
CeylonClassWriter.instance(context);
JavaCompiler instance = context.get(compilerKey);
if (instance == null) instance = new LanguageCompiler(context);
return instance;
}
@Override
public void initProcessAnnotations(Iterable<? extends Processor> processors) {
java.util.List<String> aptModules = options.getMulti(Option.CEYLONAPT);
if (aptModules != null) {
CeyloncFileManager dfm = (CeyloncFileManager) fileManager;
RepositoryManager repositoryManager = dfm.getRepositoryManager();
final Set<ModuleSpec> visited = new HashSet<>();
StatusPrinterAptProgressListener progressListener = null;
if (sp != null) {
progressListener =
new StatusPrinterAptProgressListener(sp) {
@Override
protected long getNumberOfModulesResolved() {
return visited.size();
}
};
sp.clearLine();
sp.log("Starting APT resolving");
}
for (String aptModule : aptModules) {
ModuleSpec moduleSpec = ModuleSpec.parse(aptModule);
addDependenciesToAptPath(repositoryManager, moduleSpec, visited, progressListener);
}
if (sp != null) {
sp.clearLine();
sp.log("Done APT resolving");
}
// we only run APT if asked explicitly with the --apt flag
super.initProcessAnnotations(processors);
}
// else don't do anything, which will leave the "processAnnotations" field to false
}
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)) {
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.isDefaultModule()) {
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(Option.VERBOSE) != null) {
log.printRawLines(
WriterKind.NOTICE,
"[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;
}
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(Option.VERBOSE) != null) {
log.printRawLines(
WriterKind.NOTICE, "[Trying to load source for module " + moduleClassName + "]");
}
fileObject =
fileManager.getJavaFileForInput(
StandardLocation.SOURCE_PATH, moduleClassName, Kind.SOURCE);
if (options.get(Option.VERBOSE) != null) {
log.printRawLines(WriterKind.NOTICE, "[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);
}
private JCCompilationUnit ceylonParse(JavaFileObject filename, CharSequence readSource) {
if (ceylonEnter.hasRun())
throw new RunTwiceException(
"Trying to load new source file after CeylonEnter has been called: " + filename);
try {
ModuleManager moduleManager = phasedUnits.getModuleManager();
ModuleSourceMapper moduleSourceMapper = phasedUnits.getModuleSourceMapper();
File sourceFile = new File(filename.getName());
// FIXME: temporary solution
VirtualFile file = vfs.getFromFile(sourceFile);
VirtualFile srcDir = vfs.getFromFile(getSrcDir(sourceFile));
String source = readSource.toString();
char[] chars = source.toCharArray();
LineMap map = Position.makeLineMap(chars, chars.length, false);
PhasedUnit phasedUnit = null;
PhasedUnit externalPhasedUnit = compilerDelegate.getExternalSourcePhasedUnit(srcDir, file);
String suppressWarnings = options.get(Option.CEYLONSUPPRESSWARNINGS);
final EnumSet<Warning> suppressedWarnings;
if (suppressWarnings != null) {
if (suppressWarnings.trim().isEmpty()) {
suppressedWarnings = EnumSet.allOf(Warning.class);
} else {
suppressedWarnings = EnumSet.noneOf(Warning.class);
for (String name : suppressWarnings.trim().split(" *, *")) {
suppressedWarnings.add(Warning.valueOf(name));
}
}
} else {
suppressedWarnings = EnumSet.noneOf(Warning.class);
}
if (externalPhasedUnit != null) {
phasedUnit = new CeylonPhasedUnit(externalPhasedUnit, filename, map);
phasedUnit.setSuppressedWarnings(suppressedWarnings);
phasedUnits.addPhasedUnit(externalPhasedUnit.getUnitFile(), phasedUnit);
gen.setMap(map);
String pkgName = phasedUnit.getPackage().getQualifiedNameString();
if ("".equals(pkgName)) {
pkgName = null;
}
return gen.makeJCCompilationUnitPlaceholder(
phasedUnit.getCompilationUnit(), filename, pkgName, phasedUnit);
}
if (phasedUnit == null) {
ANTLRStringStream input = new NewlineFixingStringStream(source);
CeylonLexer lexer = new CeylonLexer(input);
CommonTokenStream tokens = new CommonTokenStream(lexer);
CeylonParser parser = new CeylonParser(tokens);
CompilationUnit cu = parser.compilationUnit();
java.util.List<LexError> lexerErrors = lexer.getErrors();
for (LexError le : lexerErrors) {
printError(le, le.getMessage(), "ceylon.lexer", map);
}
java.util.List<ParseError> parserErrors = parser.getErrors();
for (ParseError pe : parserErrors) {
printError(pe, pe.getMessage(), "ceylon.parser", map);
}
// if we continue and it's not a descriptor, we don't care about errors
if ((options.get(Option.CEYLONCONTINUE) != null
&& !ModuleManager.MODULE_FILE.equals(sourceFile.getName())
&& !ModuleManager.PACKAGE_FILE.equals(sourceFile.getName()))
// otherwise we care about errors
|| (lexerErrors.size() == 0 && parserErrors.size() == 0)) {
// FIXME: this is bad in many ways
String pkgName = getPackage(filename);
// make a Package with no module yet, we will resolve them later
/*
* Stef: see javadoc for findOrCreateModulelessPackage() for why this is here.
*/
com.redhat.ceylon.model.typechecker.model.Package p =
modelLoader.findOrCreateModulelessPackage(pkgName == null ? "" : pkgName);
phasedUnit =
new CeylonPhasedUnit(
file,
srcDir,
cu,
p,
moduleManager,
moduleSourceMapper,
ceylonContext,
filename,
map);
phasedUnit.setSuppressedWarnings(suppressedWarnings);
phasedUnits.addPhasedUnit(file, phasedUnit);
gen.setMap(map);
return gen.makeJCCompilationUnitPlaceholder(cu, filename, pkgName, phasedUnit);
}
}
} catch (RuntimeException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
JCCompilationUnit result =
make.TopLevel(List.<JCAnnotation>nil(), null, List.<JCTree>of(make.Erroneous()));
result.sourcefile = filename;
return result;
}