From be50a8db3512c30ed18ffe0ec5150ef2e674ac79 Mon Sep 17 00:00:00 2001
From: LordBaryhobal <lordbaryhobal@gmail.com>
Date: Mon, 18 May 2026 11:02:48 +0200
Subject: [PATCH] feat(parser): add operators to annotations lexer

---
 lexer/annotations.py | 17 +++++++++++++++++
 lexer/midas.py       |  5 +++++
 lexer/token.py       |  1 +
 3 files changed, 23 insertions(+)

diff --git a/lexer/annotations.py b/lexer/annotations.py
index 3cc0431..f72f81a 100644
--- a/lexer/annotations.py
+++ b/lexer/annotations.py
@@ -14,6 +14,23 @@ class AnnotationLexer(Lexer):
                 self.add_token(TokenType.LEFT_BRACKET)
             case "]":
                 self.add_token(TokenType.RIGHT_BRACKET)
+            case "<":
+                self.add_token(
+                    TokenType.LESS_EQUAL if self.match("=") else TokenType.LESS
+                )
+            case ">":
+                self.add_token(
+                    TokenType.GREATER_EQUAL if self.match("=") else TokenType.GREATER
+                )
+            case "=":
+                self.add_token(
+                    TokenType.EQUAL_EQUAL if self.match("=") else TokenType.EQUAL
+                )
+            case "!":
+                if self.peek() == "=":
+                    self.add_token(TokenType.BANG_EQUAL)
+                else:
+                    self.error("Unexpected single bang. Did you mean '!=' ?")
             case ":":
                 self.add_token(TokenType.COLON)
             case ",":
diff --git a/lexer/midas.py b/lexer/midas.py
index 16440da..86bfafe 100644
--- a/lexer/midas.py
+++ b/lexer/midas.py
@@ -31,6 +31,11 @@ class MidasLexer(Lexer):
                 self.add_token(
                     TokenType.EQUAL_EQUAL if self.match("=") else TokenType.EQUAL
                 )
+            case "!":
+                if self.peek() == "=":
+                    self.add_token(TokenType.BANG_EQUAL)
+                else:
+                    self.error("Unexpected single bang. Did you mean '!=' ?")
             case ":":
                 self.add_token(TokenType.COLON)
             case ",":
diff --git a/lexer/token.py b/lexer/token.py
index 9b5bc13..70a7a1b 100644
--- a/lexer/token.py
+++ b/lexer/token.py
@@ -28,6 +28,7 @@ class TokenType(Enum):
     LESS_EQUAL = auto()
     EQUAL = auto()
     EQUAL_EQUAL = auto()
+    BANG_EQUAL = auto()
 
     # Literals
     IDENTIFIER = auto()