fix: remove unused SetExpr

gen/python.py

@@ -128,12 +128,6 @@ class LogicalExpr:
     right: Expr
 
 
-class SetExpr:
-    object: Expr
-    name: str
-    value: Expr
-
-
 class CastExpr:
     type: MidasType
     expr: Expr

midas/ast/printer.py

@@ -602,17 +602,6 @@ class PythonAstPrinter(
             with self._child_level(single=True):
                 expr.right.accept(self)
 
-    def visit_set_expr(self, expr: p.SetExpr) -> None:
-        self._write_line("SetExpr")
-        with self._child_level():
-            self._write_line("object")
-            with self._child_level(single=True):
-                expr.object.accept(self)
-            self._write_line(f"name: {expr.name}")
-            self._write_line("value", last=True)
-            with self._child_level(single=True):
-                expr.value.accept(self)
-
     def visit_cast_expr(self, expr: p.CastExpr) -> None:
         self._write_line("CastExpr")
         with self._child_level():

midas/ast/python.py

@@ -214,9 +214,6 @@ class Expr(ABC):
         @abstractmethod
         def visit_logical_expr(self, expr: LogicalExpr) -> T: ...
 
-        @abstractmethod
-        def visit_set_expr(self, expr: SetExpr) -> T: ...
-
         @abstractmethod
         def visit_cast_expr(self, expr: CastExpr) -> T: ...
 
@@ -298,16 +295,6 @@ class LogicalExpr(Expr):
         return visitor.visit_logical_expr(self)
 
 
-@dataclass(frozen=True)
-class SetExpr(Expr):
-    object: Expr
-    name: str
-    value: Expr
-
-    def accept(self, visitor: Expr.Visitor[T]) -> T:
-        return visitor.visit_set_expr(self)
-
-
 @dataclass(frozen=True)
 class CastExpr(Expr):
     type: MidasType

midas/checker/checker.py

@@ -620,8 +620,6 @@ class Checker(
         )
         return UnknownType()
 
-    def visit_set_expr(self, expr: p.SetExpr) -> Type: ...
-
     def visit_cast_expr(self, expr: p.CastExpr) -> Type:
         return expr.type.accept(self)
 

midas/cli/highlighter.py

@@ -210,8 +210,6 @@ class PythonHighlighter(
 
     def visit_logical_expr(self, expr: p.LogicalExpr) -> None: ...
 
-    def visit_set_expr(self, expr: p.SetExpr) -> None: ...
-
     def visit_cast_expr(self, expr: p.CastExpr) -> None: ...
 
     def visit_ternary_expr(self, expr: p.TernaryExpr) -> None: ...

midas/resolver/resolver.py

@@ -174,10 +174,6 @@ class Resolver(p.Stmt.Visitor[None], p.Expr.Visitor[None]):
         self.resolve(expr.left)
         self.resolve(expr.right)
 
-    def visit_set_expr(self, expr: p.SetExpr) -> None:
-        self.resolve(expr.value)
-        self.resolve(expr.object)
-
     def visit_cast_expr(self, expr: p.CastExpr) -> None:
         self.resolve(expr.expr)
 

tests/serializer/python.py

@@ -20,7 +20,6 @@ from midas.ast.python import (
     LogicalExpr,
     MidasType,
     ReturnStmt,
-    SetExpr,
     Stmt,
     TernaryExpr,
     TypeAssign,
@@ -232,14 +231,6 @@ class PythonAstJsonSerializer(
             "right": expr.right.accept(self),
         }
 
-    def visit_set_expr(self, expr: SetExpr) -> dict:
-        return {
-            "_type": "SetExpr",
-            "object": expr.object.accept(self),
-            "name": expr.name,
-            "value": expr.value.accept(self),
-        }
-
     def visit_cast_expr(self, expr: CastExpr) -> dict:
         return {
             "_type": "CastExpr",