from os import PathLike
from pathlib import Path
from sys import stderr
from typing import Union

from .lexer import Lexer
from .parser import Parser
from .interpreter import Interpreter
from .util.dot import dot_diagram
from .util.exceptions import LoxException


class Lox:
    def __init__(self):
        self.had_error = False
        self.interpreter = Interpreter()
        self.repl = False

    @classmethod
    def run_file(cls, path: Union[str, PathLike], dot: bool = False):
        obj = cls()

        path = Path(path)
        with path.open() as f:
            script = f.read()
        try:
            obj.run(script, dot_file=path.with_suffix(".dot") if dot else None)
        except LoxException as e:
            obj.print_error(e)

        if obj.had_error:
            raise SystemExit(65)

    @classmethod
    def run_repl(cls):
        obj = cls()

        obj.repl = True

        while True:
            try:
                line = input("::<> ")
            except EOFError:
                break

            try:
                obj.run(line)
            except LoxException as e:
                obj.print_error(e)

            obj.had_error = False

    @classmethod
    def run_inline(cls, cmd: str, dot: bool = False):
        obj = cls()

        try:
            obj.run(cmd, dot_file=Path("cmd.dot") if dot else None)
        except LoxException as e:
            obj.print_error(e)

    def run(self, source: str, dot_file: Path = None):
        scanner = Lexer(source)
        tokens = scanner.scan_tokens()

        parser = Parser(tokens, repl=self.repl)
        stmts = parser.parse()

        if stmts:
            if dot_file is not None:
                dot_file.write_text(dot_diagram(stmts[0], stmts))
            try:
                self.interpreter.interpret(stmts)
            except LoxException as e:
                self.print_error(e)

    def print_error(self, err: LoxException):
        print(err, file=stderr)
        self.had_error = True

dafa6b1fef38b9f9e420e81a60b210c57ec57624
<mask token>


class Lox:
    <mask token>

    @classmethod
    def run_file(cls, path: Union[str, PathLike], dot: bool=False):
        obj = cls()
        path = Path(path)
        with path.open() as f:
            script = f.read()
        try:
            obj.run(script, dot_file=path.with_suffix('.dot') if dot else None)
        except LoxException as e:
            obj.print_error(e)
        if obj.had_error:
            raise SystemExit(65)
    <mask token>
    <mask token>

    def run(self, source: str, dot_file: Path=None):
        scanner = Lexer(source)
        tokens = scanner.scan_tokens()
        parser = Parser(tokens, repl=self.repl)
        stmts = parser.parse()
        if stmts:
            if dot_file is not None:
                dot_file.write_text(dot_diagram(stmts[0], stmts))
            try:
                self.interpreter.interpret(stmts)
            except LoxException as e:
                self.print_error(e)

    def print_error(self, err: LoxException):
        print(err, file=stderr)
        self.had_error = True

<mask token>


class Lox:
    <mask token>

    @classmethod
    def run_file(cls, path: Union[str, PathLike], dot: bool=False):
        obj = cls()
        path = Path(path)
        with path.open() as f:
            script = f.read()
        try:
            obj.run(script, dot_file=path.with_suffix('.dot') if dot else None)
        except LoxException as e:
            obj.print_error(e)
        if obj.had_error:
            raise SystemExit(65)

    @classmethod
    def run_repl(cls):
        obj = cls()
        obj.repl = True
        while True:
            try:
                line = input('::<> ')
            except EOFError:
                break
            try:
                obj.run(line)
            except LoxException as e:
                obj.print_error(e)
            obj.had_error = False
    <mask token>

    def run(self, source: str, dot_file: Path=None):
        scanner = Lexer(source)
        tokens = scanner.scan_tokens()
        parser = Parser(tokens, repl=self.repl)
        stmts = parser.parse()
        if stmts:
            if dot_file is not None:
                dot_file.write_text(dot_diagram(stmts[0], stmts))
            try:
                self.interpreter.interpret(stmts)
            except LoxException as e:
                self.print_error(e)

    def print_error(self, err: LoxException):
        print(err, file=stderr)
        self.had_error = True

<mask token>


class Lox:

    def __init__(self):
        self.had_error = False
        self.interpreter = Interpreter()
        self.repl = False

    @classmethod
    def run_file(cls, path: Union[str, PathLike], dot: bool=False):
        obj = cls()
        path = Path(path)
        with path.open() as f:
            script = f.read()
        try:
            obj.run(script, dot_file=path.with_suffix('.dot') if dot else None)
        except LoxException as e:
            obj.print_error(e)
        if obj.had_error:
            raise SystemExit(65)

    @classmethod
    def run_repl(cls):
        obj = cls()
        obj.repl = True
        while True:
            try:
                line = input('::<> ')
            except EOFError:
                break
            try:
                obj.run(line)
            except LoxException as e:
                obj.print_error(e)
            obj.had_error = False

    @classmethod
    def run_inline(cls, cmd: str, dot: bool=False):
        obj = cls()
        try:
            obj.run(cmd, dot_file=Path('cmd.dot') if dot else None)
        except LoxException as e:
            obj.print_error(e)

    def run(self, source: str, dot_file: Path=None):
        scanner = Lexer(source)
        tokens = scanner.scan_tokens()
        parser = Parser(tokens, repl=self.repl)
        stmts = parser.parse()
        if stmts:
            if dot_file is not None:
                dot_file.write_text(dot_diagram(stmts[0], stmts))
            try:
                self.interpreter.interpret(stmts)
            except LoxException as e:
                self.print_error(e)

    def print_error(self, err: LoxException):
        print(err, file=stderr)
        self.had_error = True

from os import PathLike
from pathlib import Path
from sys import stderr
from typing import Union
from .lexer import Lexer
from .parser import Parser
from .interpreter import Interpreter
from .util.dot import dot_diagram
from .util.exceptions import LoxException


class Lox:

    def __init__(self):
        self.had_error = False
        self.interpreter = Interpreter()
        self.repl = False

    @classmethod
    def run_file(cls, path: Union[str, PathLike], dot: bool=False):
        obj = cls()
        path = Path(path)
        with path.open() as f:
            script = f.read()
        try:
            obj.run(script, dot_file=path.with_suffix('.dot') if dot else None)
        except LoxException as e:
            obj.print_error(e)
        if obj.had_error:
            raise SystemExit(65)

    @classmethod
    def run_repl(cls):
        obj = cls()
        obj.repl = True
        while True:
            try:
                line = input('::<> ')
            except EOFError:
                break
            try:
                obj.run(line)
            except LoxException as e:
                obj.print_error(e)
            obj.had_error = False

    @classmethod
    def run_inline(cls, cmd: str, dot: bool=False):
        obj = cls()
        try:
            obj.run(cmd, dot_file=Path('cmd.dot') if dot else None)
        except LoxException as e:
            obj.print_error(e)

    def run(self, source: str, dot_file: Path=None):
        scanner = Lexer(source)
        tokens = scanner.scan_tokens()
        parser = Parser(tokens, repl=self.repl)
        stmts = parser.parse()
        if stmts:
            if dot_file is not None:
                dot_file.write_text(dot_diagram(stmts[0], stmts))
            try:
                self.interpreter.interpret(stmts)
            except LoxException as e:
                self.print_error(e)

    def print_error(self, err: LoxException):
        print(err, file=stderr)
        self.had_error = True

from os import PathLike
from pathlib import Path
from sys import stderr
from typing import Union

from .lexer import Lexer
from .parser import Parser
from .interpreter import Interpreter
from .util.dot import dot_diagram
from .util.exceptions import LoxException


class Lox:
    def __init__(self):
        self.had_error = False
        self.interpreter = Interpreter()
        self.repl = False

    @classmethod
    def run_file(cls, path: Union[str, PathLike], dot: bool = False):
        obj = cls()

        path = Path(path)
        with path.open() as f:
            script = f.read()
        try:
            obj.run(script, dot_file=path.with_suffix(".dot") if dot else None)
        except LoxException as e:
            obj.print_error(e)

        if obj.had_error:
            raise SystemExit(65)

    @classmethod
    def run_repl(cls):
        obj = cls()

        obj.repl = True

        while True:
            try:
                line = input("::<> ")
            except EOFError:
                break

            try:
                obj.run(line)
            except LoxException as e:
                obj.print_error(e)

            obj.had_error = False

    @classmethod
    def run_inline(cls, cmd: str, dot: bool = False):
        obj = cls()

        try:
            obj.run(cmd, dot_file=Path("cmd.dot") if dot else None)
        except LoxException as e:
            obj.print_error(e)

    def run(self, source: str, dot_file: Path = None):
        scanner = Lexer(source)
        tokens = scanner.scan_tokens()

        parser = Parser(tokens, repl=self.repl)
        stmts = parser.parse()

        if stmts:
            if dot_file is not None:
                dot_file.write_text(dot_diagram(stmts[0], stmts))
            try:
                self.interpreter.interpret(stmts)
            except LoxException as e:
                self.print_error(e)

    def print_error(self, err: LoxException):
        print(err, file=stderr)
        self.had_error = True
