adding utils with enum_print

headers/computorv1.h

@@ -12,7 +12,7 @@
  * LEXER.C
  */
 
-typedef enum
+typedef enum t_token_type
 {
     TOKEN_VARIABLE,      // x, y, etc.
     TOKEN_NUMBER_INT,    // int
@@ -26,7 +26,7 @@ typedef enum
     TOKEN_END            // null (end of input)
 } token_type;
 
-typedef enum
+typedef enum t_token_tag
 {
     TOKEN_NO_TAG,
     TOKEN_NUMBER,
@@ -41,6 +41,7 @@ typedef struct
     union
     {
         char value_char;
+        int value_int;
         double value_double;
     };
 } token;
@@ -51,35 +52,35 @@ int lexerize(const char *input, token *tokens);
  * PARSER.C
  */
 
-typedef enum
+typedef enum t_term_position
 {
     TERM_LEFT,  // a in "a = b"
     TERM_RIGHT, // b in "a = b"
     TERM_END,   // last term
 } term_position;
 
-typedef enum
+typedef enum t_term_sign
 {
     TERM_PLUS,  // +
     TERM_MINUS, // -
     TERM_NULL,  // null -> for the last term
 } term_sign;
 
-typedef struct
+typedef struct t_term
 {
     term_position position;
     term_sign sign;
     double coefficient;
-    double exponent;
+    int exponent;
 } term;
 
 int parse(token *tokens, term *terms, int terms_count_max);
 
 /** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
- * ERRORS.C
+ * UTILS/ERRORS.C
  */
 
-typedef enum
+typedef enum t_program_error
 {
     ERROR_BASE = 1, // start at 1 to avoid exit(0) for errors
     ERROR_TOKEN_COUNT,
@@ -94,6 +95,15 @@ typedef enum
 
 int stop_errors(program_error err, const char *format, ...);
 
+/** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * UTILS/PRINT_ENUMS.C
+ */
+
+const char *token_type_to_str(token_type type);
+const char *token_tag_to_str(token_tag tag);
+const char *term_position_to_str(term_position pos);
+const char *term_sign_to_str(term_sign sign);
+
 /** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
  * GLOBALS
  */