diff options
Diffstat (limited to 'buildtools/wafadmin/3rdparty/swig.py')
| -rw-r--r-- | buildtools/wafadmin/3rdparty/swig.py | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/buildtools/wafadmin/3rdparty/swig.py b/buildtools/wafadmin/3rdparty/swig.py new file mode 100644 index 0000000000..c0a4108700 --- /dev/null +++ b/buildtools/wafadmin/3rdparty/swig.py @@ -0,0 +1,190 @@ +#! /usr/bin/env python +# encoding: UTF-8 +# Petar Forai +# Thomas Nagy 2008 + +import re +import Task, Utils, Logs +from TaskGen import extension +from Configure import conf +import preproc + +""" +Welcome in the hell of adding tasks dynamically + +swig interface files may be created at runtime, the module name may be unknown in advance + +rev 5859 is much more simple +""" + +SWIG_EXTS = ['.swig', '.i'] + +swig_str = '${SWIG} ${SWIGFLAGS} ${_CCINCFLAGS} ${_CXXINCFLAGS} ${_CCDEFFLAGS} ${_CXXDEFFLAGS} ${SRC}' +cls = Task.simple_task_type('swig', swig_str, color='BLUE', ext_in='.i .h', ext_out='.o .c .cxx', shell=False) + +def runnable_status(self): + for t in self.run_after: + if not t.hasrun: + return ASK_LATER + + if not getattr(self, 'init_outputs', None): + self.init_outputs = True + if not getattr(self, 'module', None): + # search the module name + txt = self.inputs[0].read(self.env) + m = re_module.search(txt) + if not m: + raise ValueError("could not find the swig module name") + self.module = m.group(1) + + swig_c(self) + + # add the language-specific output files as nodes + # call funs in the dict swig_langs + for x in self.env['SWIGFLAGS']: + # obtain the language + x = x[1:] + try: + fun = swig_langs[x] + except KeyError: + pass + else: + fun(self) + + return Task.Task.runnable_status(self) +setattr(cls, 'runnable_status', runnable_status) + +re_module = re.compile('%module(?:\s*\(.*\))?\s+(.+)', re.M) + +re_1 = re.compile(r'^%module.*?\s+([\w]+)\s*?$', re.M) +re_2 = re.compile('%include "(.*)"', re.M) +re_3 = re.compile('#include "(.*)"', re.M) + +def scan(self): + "scan for swig dependencies, climb the .i files" + env = self.env + + lst_src = [] + + seen = [] + to_see = [self.inputs[0]] + + while to_see: + node = to_see.pop(0) + if node.id in seen: + continue + seen.append(node.id) + lst_src.append(node) + + # read the file + code = node.read(env) + code = preproc.re_nl.sub('', code) + code = preproc.re_cpp.sub(preproc.repl, code) + + # find .i files and project headers + names = re_2.findall(code) + re_3.findall(code) + for n in names: + for d in self.generator.env.INC_PATHS + [node.parent]: + u = d.find_resource(n) + if u: + to_see.append(u) + break + else: + Logs.warn('could not find %r' % n) + + # list of nodes this one depends on, and module name if present + if Logs.verbose: + Logs.debug('deps: deps for %s: %s' % (str(self), str(lst_src))) + return (lst_src, []) +cls.scan = scan + +# provide additional language processing +swig_langs = {} +def swig(fun): + swig_langs[fun.__name__.replace('swig_', '')] = fun + +def swig_c(self): + ext = '.swigwrap_%d.c' % self.generator.idx + flags = self.env['SWIGFLAGS'] + if '-c++' in flags: + ext += 'xx' + out_node = self.inputs[0].parent.find_or_declare(self.module + ext) + + try: + if '-c++' in flags: + fun = self.generator.cxx_hook + else: + fun = self.generator.c_hook + except AttributeError: + raise Utils.WafError('No c%s compiler was found to process swig files' % ('-c++' in flags and '++' or '')) + + task = fun(out_node) + task.set_run_after(self) + + ge = self.generator.bld.generator + ge.outstanding.insert(0, task) + ge.total += 1 + + try: + ltask = self.generator.link_task + except AttributeError: + pass + else: + ltask.inputs.append(task.outputs[0]) + + self.outputs.append(out_node) + + if not '-o' in self.env['SWIGFLAGS']: + self.env.append_value('SWIGFLAGS', '-o') + self.env.append_value('SWIGFLAGS', self.outputs[0].abspath(self.env)) + +@swig +def swig_python(tsk): + tsk.set_outputs(tsk.inputs[0].parent.find_or_declare(tsk.module + '.py')) + +@swig +def swig_ocaml(tsk): + tsk.set_outputs(tsk.inputs[0].parent.find_or_declare(tsk.module + '.ml')) + tsk.set_outputs(tsk.inputs[0].parent.find_or_declare(tsk.module + '.mli')) + +@extension(SWIG_EXTS) +def i_file(self, node): + # the task instance + tsk = self.create_task('swig') + tsk.set_inputs(node) + tsk.module = getattr(self, 'swig_module', None) + + flags = self.to_list(getattr(self, 'swig_flags', [])) + self.env.append_value('SWIGFLAGS', flags) + + if not '-outdir' in flags: + flags.append('-outdir') + flags.append(node.parent.abspath(self.env)) + +@conf +def check_swig_version(conf, minver=None): + """Check for a minimum swig version like conf.check_swig_version('1.3.28') + or conf.check_swig_version((1,3,28)) """ + reg_swig = re.compile(r'SWIG Version\s(.*)', re.M) + + swig_out = Utils.cmd_output('%s -version' % conf.env['SWIG']) + + swigver = [int(s) for s in reg_swig.findall(swig_out)[0].split('.')] + if isinstance(minver, basestring): + minver = [int(s) for s in minver.split(".")] + if isinstance(minver, tuple): + minver = [int(s) for s in minver] + result = (minver is None) or (minver[:3] <= swigver[:3]) + swigver_full = '.'.join(map(str, swigver)) + if result: + conf.env['SWIG_VERSION'] = swigver_full + minver_str = '.'.join(map(str, minver)) + if minver is None: + conf.check_message_custom('swig version', '', swigver_full) + else: + conf.check_message('swig version', '>= %s' % (minver_str,), result, option=swigver_full) + return result + +def detect(conf): + swig = conf.find_program('swig', var='SWIG', mandatory=True) + |