From 967be9e750221ab2ab783f95df79bb26d290a45e Mon Sep 17 00:00:00 2001
From: Martial Simon <msimon_fr@hotmail.com>
Date: Mon, 15 Sep 2025 01:07:58 +0200
Subject: add: added projects

---
 21sh/ll-expr/src/lexer/token.h | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 21sh/ll-expr/src/lexer/token.h

(limited to '21sh/ll-expr/src/lexer/token.h')

diff --git a/21sh/ll-expr/src/lexer/token.h b/21sh/ll-expr/src/lexer/token.h
new file mode 100644
index 0000000..b0866fc
--- /dev/null
+++ b/21sh/ll-expr/src/lexer/token.h
@@ -0,0 +1,25 @@
+#ifndef TOKEN_H
+#define TOKEN_H
+
+#include <unistd.h>
+
+enum token_type
+{
+    TOKEN_PLUS, // '+'
+    TOKEN_MINUS, // '-'
+    TOKEN_MUL, // '*'
+    TOKEN_DIV, // '/'
+    TOKEN_NUMBER, // "[0-9]+"
+    TOKEN_LEFT_PAR, // '('
+    TOKEN_RIGHT_PAR, // ')'
+    TOKEN_EOF, // end of input marker
+    TOKEN_ERROR // it is not a real token, it is returned in case of invalid
+                // input
+};
+
+struct token
+{
+    enum token_type type; // The kind of token
+    ssize_t value; // If the token is a number, its value
+};
+#endif /* !TOKEN_H */
-- 
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