def eval_stream(stream, ctx: compiler.CompilerContext, module: types.ModuleType):
last = None<EOL>for form in reader.read(stream, resolver=runtime.resolve_alias):<EOL><INDENT>last = compiler.compile_and_exec_form(form, ctx, module)<EOL><DEDENT>return last<EOL>
Evaluate the forms in stdin into a Python module AST node.