diff options
Diffstat (limited to 'generic/tcl.h')
-rw-r--r-- | generic/tcl.h | 44 |
1 files changed, 24 insertions, 20 deletions
diff --git a/generic/tcl.h b/generic/tcl.h index ded8d0b..c729d51 100644 --- a/generic/tcl.h +++ b/generic/tcl.h @@ -804,6 +804,29 @@ typedef struct Tcl_ObjType { } Tcl_ObjType; /* + * The following structure stores an internal representation (intrep) for + * a Tcl value. An intrep is associated with an Tcl_ObjType when both + * are stored in the same Tcl_Obj. The routines of the Tcl_ObjType govern + * the handling of the intrep. + */ + +typedef union Tcl_ObjIntRep { /* The internal representation: */ + long longValue; /* - an long integer value. */ + double doubleValue; /* - a double-precision floating value. */ + void *otherValuePtr; /* - another, type-specific value, */ + /* not used internally any more. */ + Tcl_WideInt wideValue; /* - an integer value >= 64bits */ + struct { /* - internal rep as two pointers. */ + void *ptr1; + void *ptr2; + } twoPtrValue; + struct { /* - internal rep as a pointer and a long, */ + void *ptr; /* not used internally any more. */ + unsigned long value; + } ptrAndLongRep; +} Tcl_ObjIntRep; + +/* * One of the following structures exists for each object in the Tcl system. * An object stores a value as either a string, some internal representation, * or both. @@ -828,26 +851,7 @@ typedef struct Tcl_Obj { * corresponds to the type of the object's * internal rep. NULL indicates the object has * no internal rep (has no type). */ - union { /* The internal representation: */ - long longValue; /* - an long integer value. */ - double doubleValue; /* - a double-precision floating value. */ - void *otherValuePtr; /* - another, type-specific value, - not used internally any more. */ - Tcl_WideInt wideValue; /* - a long long value. */ - struct { /* - internal rep as two pointers. - * the main use of which is a bignum's - * tightly packed fields, where the alloc, - * used and signum flags are packed into - * ptr2 with everything else hung off ptr1. */ - void *ptr1; - void *ptr2; - } twoPtrValue; - struct { /* - internal rep as a pointer and a long, - not used internally any more. */ - void *ptr; - unsigned long value; - } ptrAndLongRep; - } internalRep; + Tcl_ObjIntRep internalRep; /* The internal representation: */ } Tcl_Obj; /* |