refactor: add runner class

main.py

@@ -1,33 +1,11 @@
-from src.ast.stmt import Stmt
+from pathlib import Path
-from src.formatter import Formatter
+
-from src.interpreter.interpreter import Interpreter
+from src.pebble import Pebble
-from src.interpreter.resolver import Resolver
-from src.lexer import Lexer
-from src.parser.parser import Parser
-from src.token import Token
 
 
 def main():
-    path: str = "examples/15_resolution.peb"
+    path: Path = Path("examples/15_resolution.peb")
-    source: str = ""
+    Pebble.run_file(path)
-    with open(path, "r") as f:
-        source = f.read()
-    lexer: Lexer = Lexer(source, path)
-    tokens: list[Token] = lexer.process()
-    print(list(filter(lambda t: t.type not in Parser.IGNORE, tokens)))
-
-    parser: Parser = Parser(tokens)
-    program: list[Stmt] = parser.parse()
-
-    interpreter: Interpreter = Interpreter()
-    resolver: Resolver = Resolver(interpreter)
-
-    resolver.resolve(*program)
-    interpreter.interpret(program)
-
-    formatter: Formatter = Formatter()
-    with open("formatted.peb", "w") as f:
-        f.write(formatter.print(program))
 
 
 if __name__ == '__main__':

src/pebble.py

@@ -1,9 +1,25 @@
+from pathlib import Path
+from typing import Optional
+
 from src.interpreter.error import PebbleRuntimeError
 from src.position import Position
 from src.token import Token, TokenType
 
 
 class Pebble:
+    @staticmethod
+    def run_file(path: str | Path):
+        source: str = ""
+        with open(path, "r") as f:
+            source = f.read()
+        Pebble.run(source, str(path))
+
+    @staticmethod
+    def run(source: str, path: Optional[str] = None):
+        from src.runner import Runner
+        runner: Runner = Runner(source, path)
+        runner.run()
+
     @staticmethod
     def report(position: Position, where: str, msg: str):
         print(f"({position}) Error{where}: {msg}")

src/runner.py

@@ -0,0 +1,33 @@
+from typing import Optional
+
+from src.ast.stmt import Stmt
+from src.formatter import Formatter
+from src.interpreter.interpreter import Interpreter
+from src.interpreter.resolver import Resolver
+from src.lexer import Lexer
+from src.parser.parser import Parser
+from src.token import Token
+
+
+class Runner:
+    def __init__(self, source: str, path: Optional[str] = None):
+        self.source: str = source
+        self.path: Optional[str] = path
+
+    def run(self):
+        lexer: Lexer = Lexer(self.source, self.path)
+        tokens: list[Token] = lexer.process()
+        print(list(filter(lambda t: t.type not in Parser.IGNORE, tokens)))
+
+        parser: Parser = Parser(tokens)
+        program: list[Stmt] = parser.parse()
+
+        interpreter: Interpreter = Interpreter()
+        resolver: Resolver = Resolver(interpreter)
+
+        resolver.resolve(*program)
+        interpreter.interpret(program)
+
+        formatter: Formatter = Formatter()
+        with open("formatted.peb", "w") as f:
+            f.write(formatter.print(program))