source: libcfa/src/enum.cfa@ 5a2b0b7

Last change on this file since 5a2b0b7 was 6d2b3dc, checked in by JiadaL <j82liang@…>, 15 months ago

Change (enum) range loop so that it works on any type that define succ() and upperBound()

  • Property mode set to 100644
File size: 917 bytes
Line 
1#include "enum.hfa"
2#include "fstream.hfa"
3#include <string.h>
4
5#pragma GCC visibility push(default)
6
7forall( istype & | istream( istype ), E, V | CfaEnum( E, V ) )
8istype & ?|?( istype & is, E & e ) {
9 if ( eof( is ) ) throwResume ExceptionInst( missing_data );
10 char val[256];
11 int args = fmt( is, "%255s", val );
12 if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data );
13 for ( s; E ) {
14 if ( strcmp(val, label( s )) == 0 ) { e = s; break; }
15 } else {
16 fprintf( stderr, "invalid enumeration constant\n" );
17 abort(); // cannot use abort stream
18 } // for
19 return is;
20}
21
22forall( ostype & | ostream( ostype ), E, V | CfaEnum( E, V ) ) {
23 ostype & ?|?( ostype & os, E e ) {
24 return os | label( e );
25 }
26 OSTYPE_VOID_IMPL( E )
27}
28
29forall( ostype & | ostream( ostype ), E | CfaEnum( E, quasi_void ) ) {
30 ostype & ?|?( ostype & os, E e ) {
31 return os | label( e );
32 }
33 OSTYPE_VOID_IMPL( E )
34}
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