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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 | # Copyright 2003 Vladimir Prus
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
import type ;
import generators ;
import feature ;
import property ;
feature.feature flex.prefix : : free ;
type.register LEX : l ;
type.register LEX++ : ll ;
generators.register-standard lex.lex : LEX : C ;
generators.register-standard lex.lex : LEX++ : CPP ;
rule init ( )
{
}
rule lex ( target : source : properties * )
{
local r = [ property.select flex.prefix : $(properties) ] ;
if $(r)
{
PREFIX on $(<) = $(r:G=) ;
}
}
actions lex
{
flex -P$(PREFIX) -o$(<) $(>)
}
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