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Last change
on this file since 5a553e2 was
6d2b3dc,
checked in by JiadaL <j82liang@…>, 2 weeks ago
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Change (enum) range loop so that it works on any type that define succ() and upperBound()
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-
Property mode set to
100644
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File size:
917 bytes
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| Line | |
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| 1 | #include "enum.hfa" |
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| 2 | #include "fstream.hfa" |
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| 3 | #include <string.h> |
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| 4 | |
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| 5 | #pragma GCC visibility push(default) |
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| 6 | |
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| 7 | forall( istype & | istream( istype ), E, V | CfaEnum( E, V ) ) |
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| 8 | istype & ?|?( istype & is, E & e ) { |
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| 9 | if ( eof( is ) ) throwResume ExceptionInst( missing_data ); |
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| 10 | char val[256]; |
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| 11 | int args = fmt( is, "%255s", val ); |
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| 12 | if ( ! eof( is ) && args != 1 ) throwResume ExceptionInst( missing_data ); |
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| 13 | for ( s; E ) { |
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| 14 | if ( strcmp(val, label( s )) == 0 ) { e = s; break; } |
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| 15 | } else { |
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| 16 | fprintf( stderr, "invalid enumeration constant\n" ); |
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| 17 | abort(); // cannot use abort stream |
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| 18 | } // for |
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| 19 | return is; |
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| 20 | } |
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| 21 | |
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| 22 | forall( ostype & | ostream( ostype ), E, V | CfaEnum( E, V ) ) { |
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| 23 | ostype & ?|?( ostype & os, E e ) { |
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| 24 | return os | label( e ); |
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| 25 | } |
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| 26 | OSTYPE_VOID_IMPL( E ) |
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| 27 | } |
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| 28 | |
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| 29 | forall( ostype & | ostream( ostype ), E | CfaEnum( E, quasi_void ) ) { |
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| 30 | ostype & ?|?( ostype & os, E e ) { |
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| 31 | return os | label( e ); |
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| 32 | } |
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| 33 | OSTYPE_VOID_IMPL( E ) |
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| 34 | } |
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