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# Copyright 2006 Vladimir Prus
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE.txt or https://www.bfgroup.xyz/b2/LICENSE.txt)
# This is example of a fictional code generator tool.
# It accepts a single input of type '.gci' and produces
# either one or two outputs of type .cpp, depending
# on the value of the feature <server-mode>
#
# This example is loosely based on gSOAP code generator.
import type ;
import generators ;
import feature ;
import common ;
import "class" : new ;
import os ;
type.register GCI : gci ;
feature.feature server : off on : incidental ;
class soap-generator : generator
{
import "class" : new ;
rule __init__ ( * : * )
{
generator.__init__ $(1) : $(2) : $(3) : $(4) : $(5) : $(6) : $(7) : $(8) : $(9) ;
}
rule run ( project name ? : property-set : sources * )
{
if ! $(sources[2])
{
# Accept only single source.
local t = [ $(sources[1]).type ] ;
if $(t) = GCI
{
# The type is correct.
# If no output name is specified, guess it from sources.
if ! $(name)
{
name = [ generator.determine-output-name $(sources) ] ;
}
# Produce one output, using just copy.
local a = [ new action $(sources[1])
: common.copy : $(property-set) ] ;
local t = [ new file-target $(name) : CPP : $(project)
: $(a) ] ;
# If in server mode, create another output -- an
# empty file. If this were a real SOAP generator, we
# might have created a single action, and two targets
# both using that action.
local t2 ;
if [ $(property-set).get <server> ] = "on"
{
local a = [ new action : soap.touch : $(property-set) ] ;
t2 = [ new file-target $(name)_server : CPP : $(project)
: $(a) ] ;
}
return [ virtual-target.register $(t) ]
[ virtual-target.register $(t2) ] ;
}
}
}
}
generators.register [ new soap-generator soap.soap : GCI : CPP ] ;
TOUCH = [ common.file-touch-command ] ;
actions touch
{
$(TOUCH) $(<)
}
if [ os.name ] = VMS
{
actions touch
{
$(TOUCH) $(<:W)
}
}
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