VARIABLESSSS

lexer_token.py

@@ -8,6 +8,7 @@ class TokenType(Enum):
 	ILLEGAL = "ILLEGAL"
 
 	# Data types
+	IDENT = "IDENT"
 	INT = "INT"
 	FLOAT = "FLOAT"
 
@@ -19,6 +20,9 @@ class TokenType(Enum):
 	POW = "POW"
 	MODULUS = "MODULUS"
 
+	# Assignment symbols
+	EQ = "EQ"
+
 	# Symbols
 	LPAREN = "LPAREN"
 	RPAREN = "RPAREN"
@@ -29,6 +33,11 @@ class TokenType(Enum):
 	COLON = "COLON"
 	SEMICOLON = "SEMICOLON"
 
+	# Keywords
+
+	# Typing
+	TYPE = "TYPE"
+
 class Token:
 	def __init__(self, type: TokenType, literal: Any, line_no: int, position: int) -> None:
 		self.type = type
@@ -40,4 +49,29 @@ class Token:
 		return f"token[{self.type} : {self.literal} : Line {self.line_no} : Position {self.position}]"
 	
 	def __repr__(self) -> str:
-		return str(self)
+		return str(self)
+	
+
+KEYWORDS: dict[str, TokenType] = {
+	
+}
+
+ALT_KEYWORDS: dict[str, TokenType] = {
+
+}
+
+TYPE_KEYWORDS: list[str] = ["Int", "Float", "String", "Bool", "List", "Nil"]
+
+def lookup_ident(ident: str) -> TokenType:
+	tt: TokenType | None = KEYWORDS.get(ident)
+	if tt is not None:
+		return tt
+	
+	tt: TokenType | None = ALT_KEYWORDS.get(ident)
+	if tt is not None:
+		return tt
+	
+	if ident in TYPE_KEYWORDS:
+		return TokenType.TYPE
+	
+	return TokenType.IDENT