rename to VariableConstancy

vyper/semantics/analysis/base.py

@@ -93,7 +93,7 @@ def from_abi(cls, abi_dict: Dict) -> "StateMutability":
         #       specifying a state mutability modifier at all. Do the same here.
 
 
-class Constancy(_StringEnum):
+class VariableConstancy(_StringEnum):
     MUTABLE = _StringEnum.auto()
     RUNTIME_CONSTANT = _StringEnum.auto()
     COMPILE_TIME_CONSTANT = _StringEnum.auto()
@@ -165,7 +165,7 @@ class VarInfo:
 
     typ: VyperType
     location: DataLocation = DataLocation.UNSET
-    constancy: Constancy = Constancy.MUTABLE
+    constancy: VariableConstancy = VariableConstancy.MUTABLE
     is_public: bool = False
     is_immutable: bool = False
     is_transient: bool = False
@@ -198,7 +198,7 @@ class ExprInfo:
     typ: VyperType
     var_info: Optional[VarInfo] = None
     location: DataLocation = DataLocation.UNSET
-    constancy: Constancy = Constancy.MUTABLE
+    constancy: VariableConstancy = VariableConstancy.MUTABLE
     is_immutable: bool = False
 
     def __post_init__(self):
@@ -246,7 +246,7 @@ def validate_modification(self, node: vy_ast.VyperNode, mutability: StateMutabil
 
         if self.location == DataLocation.CALLDATA:
             raise ImmutableViolation("Cannot write to calldata", node)
-        if self.constancy == Constancy.COMPILE_TIME_CONSTANT:
+        if self.constancy == VariableConstancy.COMPILE_TIME_CONSTANT:
             raise ImmutableViolation("Constant value cannot be written to", node)
         if self.is_immutable:
             if node.get_ancestor(vy_ast.FunctionDef).get("name") != "__init__":

vyper/semantics/analysis/local.py

@@ -19,7 +19,7 @@
     VariableDeclarationException,
     VyperException,
 )
-from vyper.semantics.analysis.base import Constancy, VarInfo
+from vyper.semantics.analysis.base import VariableConstancy, VarInfo
 from vyper.semantics.analysis.common import VyperNodeVisitorBase
 from vyper.semantics.analysis.utils import (
     get_common_types,
@@ -197,7 +197,7 @@ def __init__(
                 arg.typ,
                 location=location,
                 is_immutable=is_immutable,
-                constancy=Constancy.RUNTIME_CONSTANT,
+                constancy=VariableConstancy.RUNTIME_CONSTANT,
             )
 
         for node in fn_node.body:
@@ -484,7 +484,7 @@ def visit_For(self, node):
             with self.namespace.enter_scope():
                 try:
                     self.namespace[iter_name] = VarInfo(
-                        possible_target_type, constancy=Constancy.COMPILE_TIME_CONSTANT
+                        possible_target_type, constancy=VariableConstancy.COMPILE_TIME_CONSTANT
                     )
                 except VyperException as exc:
                     raise exc.with_annotation(node) from None

vyper/semantics/analysis/module.py

@@ -18,7 +18,7 @@
     VariableDeclarationException,
     VyperException,
 )
-from vyper.semantics.analysis.base import Constancy, VarInfo
+from vyper.semantics.analysis.base import VariableConstancy, VarInfo
 from vyper.semantics.analysis.common import VyperNodeVisitorBase
 from vyper.semantics.analysis.local import ExprVisitor
 from vyper.semantics.analysis.utils import check_constant, validate_expected_type
@@ -187,11 +187,11 @@ def visit_VariableDecl(self, node):
         )
 
         constancy = (
-            Constancy.RUNTIME_CONSTANT
+            VariableConstancy.RUNTIME_CONSTANT
             if node.is_immutable
-            else Constancy.COMPILE_TIME_CONSTANT
+            else VariableConstancy.COMPILE_TIME_CONSTANT
             if node.is_constant
-            else Constancy.MUTABLE
+            else VariableConstancy.MUTABLE
         )
 
         type_ = type_from_annotation(node.annotation, data_loc)

vyper/semantics/analysis/utils.py

@@ -17,7 +17,7 @@
     ZeroDivisionException,
 )
 from vyper.semantics import types
-from vyper.semantics.analysis.base import Constancy, ExprInfo, VarInfo
+from vyper.semantics.analysis.base import VariableConstancy, ExprInfo, VarInfo
 from vyper.semantics.analysis.levenshtein_utils import get_levenshtein_error_suggestions
 from vyper.semantics.namespace import get_namespace
 from vyper.semantics.types.base import TYPE_T, VyperType
@@ -198,7 +198,7 @@ def _raise_invalid_reference(name, node):
             if isinstance(s, VyperType):
                 # ex. foo.bar(). bar() is a ContractFunctionT
                 return [s]
-            if is_self_reference and s.constancy >= Constancy.RUNTIME_CONSTANT:
+            if is_self_reference and s.constancy >= VariableConstancy.RUNTIME_CONSTANT:
                 _raise_invalid_reference(name, node)
             # general case. s is a VarInfo, e.g. self.foo
             return [s.typ]
@@ -647,7 +647,7 @@ def check_kwargable(node: vy_ast.VyperNode) -> bool:
             return True
 
     value_type = get_expr_info(node)
-    return value_type.constancy >= Constancy.RUNTIME_CONSTANT
+    return value_type.constancy >= VariableConstancy.RUNTIME_CONSTANT
 
 
 def _check_literal(node: vy_ast.VyperNode) -> bool:
@@ -690,4 +690,4 @@ def check_constant(node: vy_ast.VyperNode) -> bool:
             return True
 
     value_type = get_expr_info(node)
-    return value_type.constancy == Constancy.COMPILE_TIME_CONSTANT
+    return value_type.constancy == VariableConstancy.COMPILE_TIME_CONSTANT

vyper/semantics/environment.py

@@ -1,6 +1,6 @@
 from typing import Dict
 
-from vyper.semantics.analysis.base import Constancy, VarInfo
+from vyper.semantics.analysis.base import VariableConstancy, VarInfo
 from vyper.semantics.types import AddressT, BytesT, VyperType
 from vyper.semantics.types.shortcuts import BYTES32_T, UINT256_T
 
@@ -52,7 +52,7 @@ def get_constant_vars() -> Dict:
     """
     result = {}
     for k, v in CONSTANT_ENVIRONMENT_VARS.items():
-        result[k] = VarInfo(v, constancy=Constancy.RUNTIME_CONSTANT)
+        result[k] = VarInfo(v, constancy=VariableConstancy.RUNTIME_CONSTANT)
 
     return result