From a7d83f19b08eb4c6f79a82fe60c2b86db13f4420 Mon Sep 17 00:00:00 2001 From: David Robillard Date: Sat, 24 Nov 2018 13:44:03 +0100 Subject: Squashed 'waflib/' changes from 6e726eb1..5ea8f99f 5ea8f99f Improve test output spacing 0e23b29f Raise exception when test suite fails to ensure non-zero exit status d6de073b Show run time of unit tests 5b655541 Add short configure option for ultra-strict flags 4687ba6d Use gtest-like test output 258903d9 Fix failure count in test group summaries da07e738 Fix verbose tests with Python 3 git-subtree-dir: waflib git-subtree-split: 5ea8f99f6e1246079c1fe6bb590c38a53aadd40d --- Tools/bison.py | 49 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 Tools/bison.py (limited to 'Tools/bison.py') diff --git a/Tools/bison.py b/Tools/bison.py new file mode 100644 index 00000000..eef56dcd --- /dev/null +++ b/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 v1.2.1