/** Construct a new compiler from a shared context. */
public AptJavaCompiler(Context context) {
super(preRegister(context));
context.put(compilerKey, this);
apt = Apt.instance(context);
ClassReader classReader = ClassReader.instance(context);
classReader.preferSource = true;
// TEMPORARY NOTE: bark==log, but while refactoring, we maintain their
// original identities, to remember the original intent.
log = Log.instance(context);
bark = Bark.instance(context);
Options options = Options.instance(context);
classOutput = options.get("-retrofit") == null;
nocompile = options.get("-nocompile") != null;
print = options.get("-print") != null;
classesAsDecls = options.get("-XclassesAsDecls") != null;
genSourceFileNames = new java.util.LinkedHashSet<String>();
genClassFileNames = new java.util.LinkedHashSet<String>();
// this forces a copy of the line map to be kept in the tree,
// for use by com.sun.mirror.util.SourcePosition.
lineDebugInfo = true;
}
public void visitTopLevel(JCCompilationUnit tree) {
JavaFileObject prev = log.useSource(tree.sourcefile);
boolean addEnv = false;
boolean isPkgInfo =
tree.sourcefile.isNameCompatible("package-info", JavaFileObject.Kind.SOURCE);
if (tree.pid != null) {
tree.packge = reader.enterPackage(TreeInfo.fullName(tree.pid));
if (tree.packageAnnotations.nonEmpty()) {
if (isPkgInfo) {
addEnv = true;
} else {
log.error(tree.packageAnnotations.head.pos(), "pkg.annotations.sb.in.package-info.java");
}
}
} else {
tree.packge = syms.unnamedPackage;
}
tree.packge.complete(); // Find all classes in package.
Env<AttrContext> env = topLevelEnv(tree);
// Save environment of package-info.java file.
if (isPkgInfo) {
Env<AttrContext> env0 = typeEnvs.get(tree.packge);
if (env0 == null) {
typeEnvs.put(tree.packge, env);
} else {
JCCompilationUnit tree0 = env0.toplevel;
if (!fileManager.isSameFile(tree.sourcefile, tree0.sourcefile)) {
log.warning(
tree.pid != null ? tree.pid.pos() : null, "pkg-info.already.seen", tree.packge);
if (addEnv
|| (tree0.packageAnnotations.isEmpty()
&& tree.docComments != null
&& tree.docComments.get(tree) != null)) {
typeEnvs.put(tree.packge, env);
}
}
}
}
classEnter(tree.defs, env);
if (addEnv) {
todo.append(env);
}
log.useSource(prev);
result = null;
}
/**
* Main method: enter one class from a list of toplevel trees and place the rest on uncompleted
* for later processing.
*
* @param trees The list of trees to be processed.
* @param c The class symbol to be processed.
*/
public void complete(List<JCCompilationUnit> trees, ClassSymbol c) {
annotate.enterStart();
ListBuffer<ClassSymbol> prevUncompleted = uncompleted;
if (memberEnter.completionEnabled) uncompleted = new ListBuffer<ClassSymbol>();
try {
// enter all classes, and construct uncompleted list
classEnter(trees, null);
// complete all uncompleted classes in memberEnter
if (memberEnter.completionEnabled) {
while (uncompleted.nonEmpty()) {
ClassSymbol clazz = uncompleted.next();
if (c == null || c == clazz || prevUncompleted == null) clazz.complete();
else
// defer
prevUncompleted.append(clazz);
}
// if there remain any unimported toplevels (these must have
// no classes at all), process their import statements as well.
for (JCCompilationUnit tree : trees) {
if (tree.starImportScope.elems == null) {
JavaFileObject prev = log.useSource(tree.sourcefile);
Env<AttrContext> env = typeEnvs.get(tree);
if (env == null) env = topLevelEnv(tree);
memberEnter.memberEnter(tree, env);
log.useSource(prev);
}
}
}
} finally {
uncompleted = prevUncompleted;
annotate.enterDone();
}
}
protected Enter(Context context) {
context.put(enterKey, this);
log = Log.instance(context);
reader = ClassReader.instance(context);
make = TreeMaker.instance(context);
syms = Symtab.instance(context);
chk = Check.instance(context);
memberEnter = MemberEnter.instance(context);
types = Types.instance(context);
annotate = Annotate.instance(context);
lint = Lint.instance(context);
predefClassDef =
make.ClassDef(make.Modifiers(PUBLIC), syms.predefClass.name, null, null, null, null);
predefClassDef.sym = syms.predefClass;
todo = Todo.instance(context);
fileManager = context.get(JavaFileManager.class);
}
/**
* Main method: compile a list of files, return all compiled classes
*
* @param filenames The names of all files to be compiled.
*/
public List<ClassSymbol> compile(
List<String> filenames,
Map<String, String> origOptions,
ClassLoader aptCL,
AnnotationProcessorFactory providedFactory,
java.util.Set<Class<? extends AnnotationProcessorFactory>> productiveFactories,
java.util.Set<java.io.File> aggregateGenFiles)
throws Throwable {
// as a JavaCompiler can only be used once, throw an exception if
// it has been used before.
assert !hasBeenUsed : "attempt to reuse JavaCompiler";
hasBeenUsed = true;
this.aggregateGenFiles = aggregateGenFiles;
long msec = System.currentTimeMillis();
ListBuffer<ClassSymbol> classes = new ListBuffer<ClassSymbol>();
try {
JavacFileManager fm = (JavacFileManager) fileManager;
// parse all files
ListBuffer<JCCompilationUnit> trees = new ListBuffer<JCCompilationUnit>();
for (List<String> l = filenames; l.nonEmpty(); l = l.tail) {
if (classesAsDecls) {
if (!l.head.endsWith(".java")) { // process as class file
ClassSymbol cs = reader.enterClass(names.fromString(l.head));
try {
cs.complete();
} catch (Symbol.CompletionFailure cf) {
bark.aptError("CantFindClass", l);
continue;
}
classes.append(cs); // add to list of classes
continue;
}
}
JavaFileObject fo = fm.getJavaFileObjectsFromStrings(List.of(l.head)).iterator().next();
trees.append(parse(fo));
}
// enter symbols for all files
List<JCCompilationUnit> roots = trees.toList();
if (errorCount() == 0) {
boolean prev = bark.setDiagnosticsIgnored(true);
try {
enter.main(roots);
} finally {
bark.setDiagnosticsIgnored(prev);
}
}
if (errorCount() == 0) {
apt.main(roots, classes, origOptions, aptCL, providedFactory, productiveFactories);
genSourceFileNames.addAll(apt.getSourceFileNames());
genClassFileNames.addAll(apt.getClassFileNames());
}
} catch (Abort ex) {
}
if (verbose) log.printVerbose("total", Long.toString(System.currentTimeMillis() - msec));
chk.reportDeferredDiagnostics();
printCount("error", errorCount());
printCount("warn", warningCount());
return classes.toList();
}
/** Complain about a duplicate class. */
protected void duplicateClass(DiagnosticPosition pos, ClassSymbol c) {
log.error(pos, "duplicate.class", c.fullname);
}
public void visitClassDef(JCClassDecl tree) {
Symbol owner = env.info.scope.owner;
Scope enclScope = enterScope(env);
ClassSymbol c;
if (owner.kind == PCK) {
// We are seeing a toplevel class.
PackageSymbol packge = (PackageSymbol) owner;
for (Symbol q = packge; q != null && q.kind == PCK; q = q.owner) q.flags_field |= EXISTS;
c = reader.enterClass(tree.name, packge);
packge.members().enterIfAbsent(c);
if ((tree.mods.flags & PUBLIC) != 0 && !classNameMatchesFileName(c, env)) {
log.error(tree.pos(), "class.public.should.be.in.file", tree.name);
}
} else {
if (!tree.name.isEmpty() && !chk.checkUniqueClassName(tree.pos(), tree.name, enclScope)) {
result = null;
return;
}
if (owner.kind == TYP) {
// We are seeing a member class.
c = reader.enterClass(tree.name, (TypeSymbol) owner);
if ((owner.flags_field & INTERFACE) != 0) {
tree.mods.flags |= PUBLIC | STATIC;
}
} else {
// We are seeing a local class.
c = reader.defineClass(tree.name, owner);
c.flatname = chk.localClassName(c);
if (!c.name.isEmpty()) chk.checkTransparentClass(tree.pos(), c, env.info.scope);
}
}
tree.sym = c;
// Enter class into `compiled' table and enclosing scope.
if (chk.compiled.get(c.flatname) != null) {
duplicateClass(tree.pos(), c);
result = types.createErrorType(tree.name, (TypeSymbol) owner, Type.noType);
tree.sym = (ClassSymbol) result.tsym;
return;
}
chk.compiled.put(c.flatname, c);
enclScope.enter(c);
// Set up an environment for class block and store in `typeEnvs'
// table, to be retrieved later in memberEnter and attribution.
Env<AttrContext> localEnv = classEnv(tree, env);
typeEnvs.put(c, localEnv);
// Fill out class fields.
c.completer = memberEnter;
c.flags_field = chk.checkFlags(tree.pos(), tree.mods.flags, c, tree);
c.sourcefile = env.toplevel.sourcefile;
c.members_field = new Scope(c);
ClassType ct = (ClassType) c.type;
if (owner.kind != PCK && (c.flags_field & STATIC) == 0) {
// We are seeing a local or inner class.
// Set outer_field of this class to closest enclosing class
// which contains this class in a non-static context
// (its "enclosing instance class"), provided such a class exists.
Symbol owner1 = owner;
while ((owner1.kind & (VAR | MTH)) != 0 && (owner1.flags_field & STATIC) == 0) {
owner1 = owner1.owner;
}
if (owner1.kind == TYP) {
ct.setEnclosingType(owner1.type);
}
}
// Enter type parameters.
ct.typarams_field = classEnter(tree.typarams, localEnv);
// Add non-local class to uncompleted, to make sure it will be
// completed later.
if (!c.isLocal() && uncompleted != null) uncompleted.append(c);
// System.err.println("entering " + c.fullname + " in " + c.owner);//DEBUG
// Recursively enter all member classes.
classEnter(tree.defs, localEnv);
result = c.type;
}