* src/gram.h (associativity): New enum type which replaces the

former CPP macros `RIGHT_ASSOC', `LEFT_ASSOC' and `NON_ASSOC' with
`right_assoc', `left_assoc' and `non_assoc'.
Adjust all dependencies.
* src/reader.c: Formatting changes.
(LTYPESTR): Don't define it, use it as a literal in
`reader_output_yylsp'.
* src/symtab.h (symbol_class): New enum type which replaces the
former CPP macros `SUNKNOWN', `STOKEN and `SNTERM' with
`sunknown', `stoken and `snterm'.

src/gram.h

@@ -97,10 +97,13 @@ extern int start_symbol;
 
 
 /* associativity values in elements of rassoc, sassoc.  */
+typedef enum
+{
+  right_assoc,
+  left_assoc,
+  non_assoc
+} associativity;
 
-#define RIGHT_ASSOC 1
-#define LEFT_ASSOC 2
-#define NON_ASSOC 3
 
 /* token translation table: indexed by a token number as returned by
    the user's yylex routine, it yields the internal token number used