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();
}
}