// Only Limited features are supported currently

enum Days;
enum Days { Mon, Tues, Wed, Num };                                              // int type, integral type => auto number
Days x0;
enum Days x1;
enum( char ) { A = 'A', B, C, D };                                              // char type, integral type => auto number
enum( double ) { F = 3.5, G = 7.7 };                                    // double type, non-integral type => programmer must assign ALL enums
enum( double ) X { R = 3.5, QQ = 7.7 };                                 // double type, non-integral type => programmer must assign ALL enums
enum( char * ) names { X = "X", Y = "Y" };                              // char * type, non-integral type => programmer must assign ALL enums
enum( int ) { Q, W, E };                                                                // int type, integral type => auto number

int w;
enum( int * ) addr { W = &w };                                                  // int * type, non-integral type => programmer must assign ALL enums
enum( * int ) addr2 { WW = &w };                                                // int * type, non-integral type => programmer must assign ALL enums

/* 
void f() {}
void g() {}
enum( void (*)() ) { FF = f, FG = g };                                  // void (*)() type, non-integral type => programmer must assign ALL enums
enum( void (*)() ) funs { FF = f, FG = g };                             // void (*)() type, non-integral type => programmer must assign ALL enums
enum( * [void] () ) { FF1 = f, FG1 = g };                               // void (*)() type, non-integral type => programmer must assign ALL enums
enum( * [void] () ) funs1 { FF1 = f, FG1 = g };                 // void (*)() type, non-integral type => programmer must assign ALL enums

enum( [int, int] ) { XXX = [1,2] };
enum( [int, int] ) na { XXX = [1,2] };

enum fred;
struct S {};

enum S { UX = { { 3 }, 4 }, UY = { { 7 }, 8 } };
enum( struct S ) mary { MX };
enum mary { MX };
enum( struct S * ) mary { MX = { { 3 }, 4 }, MY = { { 7 }, 8 } };
enum( S * ) mary { MX = { { 3 }, 4 }, MY = { { 7 }, 8 } };
enum( * S ) mary { MX = { { 3 }, 4 }, MY = { { 7 }, 8 } };
enum( enum fred ) mary { C };

struct HH {
        enum hh { h };
};
//enum HH.hh h;

// Fred is a subset of char *
enum( char * ) Fred { A = "A", B = "B", C = "C" };

// Jack is a subset of Fred
// these are same
enum( enum Fred ) Jack { W = A, Y = C};
enum( enum Fred ) Jack { W, Y = C};
enum( Fred ) Jack { W, Y = C}; // desirable, but hard to parse

// Mack is a subset of char *
// these are same
enum( char * ) Mack { W1 = A, Y1 = "whee" };

// Mary is a SUPERSET of Fred
// these are same
enum Mary { inline Fred, D  = "hello" };
enum( char * ) Mary { inline Fred, D  = "hello" };

enum( char * ) Charlie { G = "G", H = "H" };
enum Jane { inline Fred, inline Charlie, K = "K" };
enum( char * ) Jane { inline Fred, inline Charlie, K = "K" };

typedef long int size_t;
enum( size_t ) Lisa { L1, L2, L3};

// bad: Fred is char*; Lisa is size_t
enum Jane { inline Fred, inline Lisa, M = "M" };
enum( char * ) Jane { inline Fred, inline Lisa, M = "M" };

enum( char ) Steve { steveA = 'A' };
enum Don1 { inline Steve, daveB = (char) 2 }; // ok
enum Don2 { inline Steve, daveB = 2 }; // typeof( readLine() ? steveA : 2 )

// desirable, may cause constexpr problems
enum( struct vec3f ) Axis { Up @= {1,0,0}, Left @= {0,1,1}, Front @= {0,1,0} };
*/

// enum struct S.T jane { JX = { 3 } };
// enum S.T jane2 { JX = { 3 } };

// enum Fred { A, B, C };
// enum enum Fred Mary { D, E, F };             // enumeration inheritance, auto number starting at C + 1
// enum enum Fred Mary { D, E, F };             // enumeration inheritance, auto number starting at C + 1
// Fred f = A;
// //Mary m1 = A, m2 = D;
// #if 0
// #endif // 0

// enum Fred Jane { D = C, E = B, F = A }       // alternate reverse names
// Jane j1 = A, J2 = F; // both value 0

// struct Color {                               // C++ scoped enumerations
//     enum { red, green = 20, blue };
// };
// //Color color = Color.red;

// Local Variables: //
// tab-width: 4 //
// compile-command: "~/software/mary/cfa-cc/driver/cfa -XCFA -P -XCFA parse -XCFA -n test_enum.cfa" //
// End: //