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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def compile(self, ast):
 """ Compile autodocs for the given Java syntax tree. Documents will be returned documenting each separate type. """


        documents = {}

        imports = util.StringBuilder()
        for imp in ast.imports:
            if imp.static or imp.wildcard:
                continue

            package_parts = []
            cls_parts = []

            for part in imp.path.split('.'):
                if cls_parts or part[0].isupper():
                    cls_parts.append(part)
                else:
                    package_parts.append(part)


            # If the import's final part wasn't capitalized,
            # append it to the class parts anyway so sphinx doesn't complain.
            if cls_parts == []:
                cls_parts.append(package_parts.pop())

            package = '.'.join(package_parts)
            cls = '.'.join(cls_parts)

            imports.append(util.Directive('java:import', package + ' ' + cls).build())
        import_block = imports.build()

        if not ast.package:
            raise ValueError('File must have package declaration')

        package = ast.package.name
        type_declarations = []
        for path, node in ast.filter(javalang.tree.TypeDeclaration):
            if not self.filter(node):
                continue

            classes = [n.name for n in path if isinstance(n, javalang.tree.TypeDeclaration)]
            classes.append(node.name)

            name = '.'.join(classes)
            type_declarations.append((package, name, node))

        for package, name, declaration in type_declarations:
            full_name = package + '.' + name
            document = self.compile_type_document(import_block, package, name, declaration)
            documents[full_name] = (package, name, document.build())
        return documents