use tclint as parser / formatter

server/libs/tclint/violations.py

@@ -0,0 +1,50 @@
+from enum import Enum
+from typing import Tuple
+
+
+class Rule(Enum):
+    """This enum serves a few purposes:
+
+    1) define symbols for rule IDs to be used in code
+    2) map these symbols to names in the UI
+    3) collect all rule IDs/provide validation for IDs
+    """
+
+    LINE_LENGTH = "line-length"
+    TRAILING_WHITESPACE = "trailing-whitespace"
+    COMMAND_ARGS = "command-args"
+    REDEFINED_BUILTIN = "redefined-builtin"
+    UNBRACED_EXPR = "unbraced-expr"
+    REDUNDANT_EXPR = "redundant-expr"
+
+    def __str__(self):
+        return self.value
+
+
+ALL_RULES = [rule for rule in Rule]
+
+
+class Violation:
+    def __init__(
+        self, id: Rule, message: str, start: Tuple[int, int], end: Tuple[int, int]
+    ):
+        self.id = id
+        self.message = message
+        self.start = start
+        self.end = end
+
+    def __lt__(self, other):
+        return self.start < other.start
+
+    def __str__(self):
+        line, col = self.start
+        rule = str(self.id)
+
+        return f"{line}:{col}: {self.message} [{rule}]"
+
+    @classmethod
+    def create(cls, id):
+        def func(message: str, start: Tuple[int, int], end: Tuple[int, int]):
+            return cls(id, message, start, end)
+
+        return func