wip lexer

headers/computorv1.h

@@ -1,6 +1,37 @@
 #ifndef COMPUTORV1_H
-# define COMPUTORV1_H
+#define COMPUTORV1_H
 
-# include "../libft/includes/libft.h"
+#include "../libft/includes/libft.h"
+
+typedef enum
+{
+    ERROR_BASIC,         // 0
+    ERROR_UNKNOWN_TOKEN, // 1
+} program_error;
+
+typedef enum
+{
+    TOKEN_PLUS,           // +
+    TOKEN_MINUS,          // -
+    TOKEN_VARIABLE,       // x, y, etc.
+    TOKEN_NUMBER,         // int or double
+    TOKEN_POWER,          // ^ or **
+    TOKEN_MULTIPLICATION, // *
+    TOKEN_DIVISION,       // /
+    TOKEN_END             // null (end of input)
+} TokenType;
+
+typedef struct
+{
+    TokenType type;
+    union
+    {
+        double num_value; // For NUMBER
+        char var_value;   // For VARIABLE (single char, e.g., 'x')
+    };
+} t_token;
+
+#define MAX_TOKENS 100
+t_token tokens[MAX_TOKENS];
 
 #endif