feat: enhance array, io, os, struct type decls

crates/erg_compiler/lib/pystd/array.d.er

@@ -1,23 +1,25 @@
+.typecodes: Str
+
 .Array! = 'array': ClassType
 .Array!.
     __call__: (typecode: Str, initializer := [Obj; _] or Iterable(Obj)) -> .Array!
     typecode: Str
     itemsize: Nat
-    append: (self: RefMut(.Array!), x: Obj) => NoneType
+    append!: (self: RefMut(.Array!), x: Obj) => NoneType
     buffer_info: (self: Ref(.Array!)) -> (Nat, Nat)
-    byteswap: (self: RefMut(.Array!)) => NoneType
+    byteswap!: (self: RefMut(.Array!)) => NoneType
     count: (self: Ref(.Array!), x: Obj) -> Nat
-    extend: (self: RefMut(.Array!), iterable: Iterable(Obj)) => NoneType
-    frombytes: (self: RefMut(.Array!), bytes: Bytes) => NoneType
-    fromfile: (self: RefMut(.Array!), f: File!, n: Nat) => NoneType
-    fromlist: (self: RefMut(.Array!), list: [Obj; _]) => NoneType
-    fromunicode: (self: RefMut(.Array!), s: Str) => NoneType
+    extend!: (self: RefMut(.Array!), iterable: Iterable(Obj)) => NoneType
+    frombytes!: (self: RefMut(.Array!), bytes: Bytes) => NoneType
+    fromfile!: (self: RefMut(.Array!), f: File!, n: Nat) => NoneType
+    fromlist!: (self: RefMut(.Array!), list: [Obj; _]) => NoneType
+    fromunicode!: (self: RefMut(.Array!), s: Str) => NoneType
     index: (self: Ref(.Array!), x: Obj) -> Nat
-    insert: (self: RefMut(.Array!), i: Nat, x: Obj) => NoneType
-    pop: (self: RefMut(.Array!), i := Nat) -> Obj
-    remove: (self: RefMut(.Array!), x: Obj) => NoneType
-    reverse: (self: RefMut(.Array!)) => NoneType
+    insert!: (self: RefMut(.Array!), i: Nat, x: Obj) => NoneType
+    pop!: (self: RefMut(.Array!), i := Nat) -> Obj
+    remove!: (self: RefMut(.Array!), x: Obj) => NoneType
+    reverse!: (self: RefMut(.Array!)) => NoneType
     tobytes: (self: Ref(.Array!)) -> Bytes
-    tofile: (self: Ref(.Array!), f: File!) => NoneType
+    tofile!: (self: Ref(.Array!), f: File!) => NoneType
     tolist: (self: Ref(.Array!)) -> [Obj; _]
     tounicode: (self: Ref(.Array!)) -> Str

crates/erg_compiler/lib/pystd/io.d.er

@@ -1,5 +1,10 @@
 .DEFAULT_BUFFER_SIZE: {8192}
 
+.BlockingIOError = BlockingIOError
+.UnsupportedOperation: ClassType
+.UnsupportedOperation <: OSError
+.UnsupportedOperation <: ValueError
+
 .IOBase!: ClassType
 .IOBase! <: FileLike!
 .IOBase!.
@@ -101,3 +106,4 @@
 
 .open!: (file: PathLike, mode := Str, buffering := Nat, encoding := Str or NoneType) -> File!
 .open_code!: (path: PathLike) -> File!
+.text_encoding: (encoding: Str or NoneType, stacklevel := Nat) -> Str

crates/erg_compiler/lib/pystd/os.d/__init__.d.er

@@ -130,11 +130,27 @@ The name of the operating system dependent module imported. The following names
 .SF_NODISKIO: Nat
 .SF_SYNC: Nat
 
+.access!: (
+    path: PathLike,
+    mode: Nat,
+    dir_fd := Nat or FileDescriptor,
+    effective_ids := Bool,
+    follow_symlinks := Bool,
+) => Bool
 .close!: (fd: Nat or FileDescriptor) => NoneType
 .closerange!: (fd_low: Nat, fd_high: Nat) => NoneType
 .ctermid!: () => Str
 .chdir!: (path: PathLike, ) => NoneType
+.chflags!: (path: PathLike, flags: Nat, follow_symlinks := Bool) => NoneType
 .chmod!: (path: PathLike, mode: Nat) => NoneType
+.chown!: (
+    path: PathLike,
+    uid: Nat,
+    gid: Nat,
+    dir_fd := Nat or FileDescriptor,
+    follow_symlinks := Bool,
+) => NoneType
+.chroot!: (path: PathLike) => NoneType
 .copy_file_range!: (src: Nat or FileDescriptor, dst: Nat or FileDescriptor, count: Nat, offset_src := Nat, offset_dst := Nat) => Nat
 .device_encoding: (fd: Nat or FileDescriptor) -> Str or NoneType
 .dup!: (fd: Nat or FileDescriptor) => Nat
@@ -161,6 +177,12 @@ The name of the operating system dependent module imported. The following names
 ) => Iterator [Str, [Str; _], [Str; _], Nat]
 .get_blocking!: (fd: Nat or FileDescriptor) => Bool
 .get_exec_path!: (env := {Str: Str}) => [Str; _]
+.get_inheritable!: (fd: Nat or FileDescriptor) => Bool
+.get_handle_inheritable!: (handle: Nat) => Bool
+.get_terminal_size!: (fd := Nat or FileDescriptor) => NamedTuple {
+    .columns = Nat;
+    .lines = Nat;
+}
 .getcwd!: () => Str
 .getcwdb!: () => Bytes
 .getegid!: () => Nat
@@ -183,14 +205,33 @@ The name of the operating system dependent module imported. The following names
 .getuid!: () => Nat
 .initgroups!: (username: Str, gid: Nat) => NoneType
 .isatty!: (fd: Nat or FileDescriptor) => Bool
+.lchmod!: (path: PathLike, mode: Nat) => NoneType
+.lchown!: (path: PathLike, uid: Nat, gid: Nat) => NoneType
+.link!: (
+    src: PathLike,
+    dst: PathLike,
+    src_dir_fd := Nat or FileDescriptor,
+    dst_dir_fd := Nat or FileDescriptor,
+    follow_symlinks := Bool,
+) => NoneType
 .listdir!: (path := PathLike,) => [Str; _]
+.listdrives!: () => [Str; _]
+.listmounts!: (volume: PathLike) => [Str; _]
+.listvolumes!: () => [Str; _]
 .lockf!: (fd: Nat or FileDescriptor, cmd: Nat, len := Nat) => NoneType
 .login_tty!: (fd: Nat or FileDescriptor) => NoneType
 .lseek!: (fd: Nat or FileDescriptor, pos: Nat, whence: Nat) => Nat
-.mkdir!: (path: PathLike, mode := Nat) => NoneType
+.lstat!: (path: PathLike, dir_fd := Nat or FileDescriptor) => .StatResult
+.mkdir!: (path: PathLike, mode := Nat, dir_fd := Nat or FileDescriptor) => NoneType
+.makedev!: (major: Nat, minor: Nat) => Nat
 .makedirs!: (path: PathLike, mode := Nat, exist_ok := Bool) => NoneType
+.makefifo!: (path: PathLike, mode := Nat, dir_fd := Nat or FileDescriptor) => NoneType
+.major!: (device: Nat) => Nat
+.minor!: (device: Nat) => Nat
+.mknod!: (path: PathLike, mode: Nat, device := Nat, dir_fd := Nat or FileDescriptor) => NoneType
 .open!: (path: PathLike, flags: Nat, mode := Nat, dir_fd := Nat or FileDescriptor) => Nat
 .openpty!: () => (Nat, Nat)
+.pathconf!: (path: PathLike, name: Str or Nat) => Nat
 .pipe!: () => (Nat, Nat)
 .pipe2!: (flags: Nat) => (Nat, Nat)
 # TODO: only on linux
@@ -203,6 +244,7 @@ The name of the operating system dependent module imported. The following names
 .pwritev!: (fd: Nat or FileDescriptor, buffers: Ref(ByteArray!), offset: Nat, flags := Nat) => Nat
 .read!: (fd: Nat or FileDescriptor, n: Nat) => Bytes
 .readlink!: (path: PathLike, dir_fd := Nat or FileDescriptor) => Str
+.readv!: (fd: Nat or FileDescriptor, buffers: RefMut(ByteArray!)) => Nat
 .remove!: (path: PathLike,) => NoneType
 .removedirs!: (path: PathLike,) => NoneType
 .rename!: (src: PathLike, dst: PathLike) => NoneType
@@ -212,6 +254,8 @@ The name of the operating system dependent module imported. The following names
 .scandir!: (path := PathLike,) => Iterator DirEntry
 .sendfile!: (out_fd: Nat or FileDescriptor, in_fd: Nat or FileDescriptor, offset := Nat, count := Nat) => Nat
 .set_blocking!: (fd: Nat or FileDescriptor, blocking: Bool) => NoneType
+.set_inheritable!: (fd: Nat or FileDescriptor, inheritable: Bool) => NoneType
+.set_handle_inheritable!: (handle: Nat, inheritable: Bool) => NoneType
 .setegid!: (egid: Nat) => NoneType
 .seteuid!: (euid: Nat) => NoneType
 .setgid!: (gid: Nat) => NoneType
@@ -226,6 +270,7 @@ The name of the operating system dependent module imported. The following names
 .setreuid!: (ruid: Nat, euid: Nat) => NoneType
 .setsid!: () => Nat
 .setuid!: (uid: Nat) => NoneType
+.splice!: (src: Nat or FileDescriptor, dst: Nat or FileDescriptor, count: Nat, offset_src := Nat, offset_dst := Nat) => NoneType
 .statvfs!: (path: PathLike) => NamedTuple {
     .f_bsize = Nat;
     .f_frsize = Nat;
@@ -242,6 +287,9 @@ The name of the operating system dependent module imported. The following names
 .strerror: (code: Nat) -> Str
 .symlink!: (src: PathLike, dst: PathLike, target_is_directory := Bool, dir_fd := Nat or FileDescriptor) => NoneType
 .sync!: () => NoneType
+.tcgetpgrp!: (fd: Nat or FileDescriptor) => Nat
+.tcsetpgrp!: (fd: Nat or FileDescriptor, pgrp: Nat) => NoneType
+.ttyname!: (fd: Nat or FileDescriptor) => Str
 
 .umask!: (mask: Nat) => Nat
 # posix = pyimport "posix"
@@ -265,3 +313,5 @@ The name of the operating system dependent module imported. The following names
     onerror := Subroutine,
     followlinks := Bool
 ) => Iterator [Str, [Str; _], [Str; _]]
+.write!: (fd: Nat or FileDescriptor, str: Bytes) => Nat
+.writev!: (fd: Nat or FileDescriptor, buffers: Ref(ByteArray!)) => Nat

crates/erg_compiler/lib/pystd/struct.d.er

@@ -1,11 +1,20 @@
+.Error = 'error': ClassType
+.Error <: Exception
+
 .Struct: ClassType
 .Struct.
     __call__: (format: Str) -> .Struct
     format: Str
     size: Nat
     pack: (self: .Struct, *values: Obj) -> Bytes
-    unpack: (self: .Struct, bytes: Bytes) -> Obj
+    pack_into!: (self: .Struct, buffer: RefMut(ByteArray!), offset: Nat, *values: Obj) => NoneType
+    unpack: (self: .Struct, buffer: Bytes) -> Obj
+    unpack_from: (self: .Struct, buffer: Bytes, offset := Nat) -> [Obj; _]
+    iter_unpack: (self: .Struct, buffer: Bytes) -> Iterator [Obj; _]
 
 .pack: (format: Str, *values: Obj) -> Bytes
+.pack_into!: (format: Str, buffer: RefMut(ByteArray!), offset: Nat, *values: Obj) => NoneType
 .unpack: (format: Str, bytes: Bytes) -> Obj
+.unpack_from: (format: Str, buffer: Bytes, offset := Nat) -> [Obj; _]
+.iter_unpack: (format: Str, buffer: Bytes) -> Iterator [Obj; _]
 .calcsize: (format: Str) -> Nat