source: waflib/Tools/bison.py @ ce6186a

#! /usr/bin/env python
# encoding: utf-8
# WARNING! Do not edit! http://waf.googlecode.com/git/docs/wafbook/single.html#_obtaining_the_waf_file

from waflib import Task
from waflib.TaskGen import extension
class bison(Task.Task):
        color='BLUE'
        run_str='${BISON} ${BISONFLAGS} ${SRC[0].abspath()} -o ${TGT[0].name}'
        ext_out=['.h']
@extension('.y','.yc','.yy')
def big_bison(self,node):
        has_h='-d'in self.env['BISONFLAGS']
        outs=[]
        if node.name.endswith('.yc'):
                outs.append(node.change_ext('.tab.cc'))
                if has_h:
                        outs.append(node.change_ext('.tab.hh'))
        else:
                outs.append(node.change_ext('.tab.c'))
                if has_h:
                        outs.append(node.change_ext('.tab.h'))
        tsk=self.create_task('bison',node,outs)
        tsk.cwd=node.parent.get_bld().abspath()
        self.source.append(outs[0])
def configure(conf):
        conf.find_program('bison',var='BISON')
        conf.env.BISONFLAGS=['-d']