From cda5d340e78555d2542be9264137319c5308e798 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 18:44:12 +0200 Subject: Adding upstream version 2.4.2. Signed-off-by: Daniel Baumann --- third_party/waf/waflib/Tools/bison.py | 49 +++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 third_party/waf/waflib/Tools/bison.py (limited to 'third_party/waf/waflib/Tools/bison.py') diff --git a/third_party/waf/waflib/Tools/bison.py b/third_party/waf/waflib/Tools/bison.py new file mode 100644 index 0000000..eef56dc --- /dev/null +++ b/third_party/waf/waflib/Tools/bison.py @@ -0,0 +1,49 @@ +#!/usr/bin/env python +# encoding: utf-8 +# John O'Meara, 2006 +# Thomas Nagy 2009-2018 (ita) + +""" +The **bison** program is a code generator which creates C or C++ files. +The generated files are compiled into object files. +""" + +from waflib import Task +from waflib.TaskGen import extension + +class bison(Task.Task): + """Compiles bison files""" + color = 'BLUE' + run_str = '${BISON} ${BISONFLAGS} ${SRC[0].abspath()} -o ${TGT[0].name}' + ext_out = ['.h'] # just to make sure + +@extension('.y', '.yc', '.yy') +def big_bison(self, node): + """ + Creates a bison task, which must be executed from the directory of the output file. + """ + 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() + + # and the c/cxx file must be compiled too + self.source.append(outs[0]) + +def configure(conf): + """ + Detects the *bison* program + """ + conf.find_program('bison', var='BISON') + conf.env.BISONFLAGS = ['-d'] + -- cgit v1.2.3