init parser

headers/computorv1.h

@@ -1,4 +1,10 @@
 #ifndef COMPUTORV1_H
 #define COMPUTORV1_H
 
+#include "libft.h"
+#include "lexer.h"
+#include "parser.h"
+#include "errors.h"
+#include <stdio.h> // tmp for printf, for float debug
+
 #endif

headers/lexer.h

@@ -1,6 +1,10 @@
 #ifndef LEXER_H
 #define LEXER_H
 
+#include "libft.h"
+#include "errors.h"
+#include <stdbool.h>
+
 typedef enum
 {
     TOKEN_VARIABLE,      // x, y, etc.
@@ -24,6 +28,6 @@ typedef struct
     };
 } token;
 
-void lexerize(const char *input, token *tokens);
+int lexerize(const char *input, token *tokens);
 
 #endif

headers/parser.h

@@ -0,0 +1,27 @@
+#ifndef PARSER_H
+#define PARSER_H
+
+#include "libft.h"
+#include "lexer.h"
+#include "errors.h"
+
+typedef enum
+{
+    TERM_LEFT,  // a in "a = b"
+    TERM_RIGHT, // b in "a = b"
+} term_type;
+
+typedef struct
+{
+    term_type type;
+    union
+    {
+        char value_char;
+        int value_int;
+        double value_double;
+    };
+} term;
+
+int parse(token *tokens, term *terms);
+
+#endif