--- /dev/null
+#! /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
+
+SWIG_EXTS = ['.swig', '.i']
+
+swig_str = '${SWIG} ${SWIGFLAGS} ${SRC}'
+cls = Task.simple_task_type('swig', swig_str, color='BLUE', before='cc cxx')
+
+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.swig_dir_nodes + [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
+
+@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'))
+
+def add_swig_paths(self):
+ if getattr(self, 'add_swig_paths_done', None):
+ return
+ self.add_swig_paths_done = True
+
+ self.swig_dir_nodes = []
+ for x in self.to_list(self.includes):
+ node = self.path.find_dir(x)
+ if not node:
+ Logs.warn('could not find the include %r' % x)
+ continue
+ self.swig_dir_nodes.append(node)
+
+ # add the top-level, it is likely to be added
+ self.swig_dir_nodes.append(self.bld.srcnode)
+ for x in self.swig_dir_nodes:
+ self.env.append_unique('SWIGFLAGS', '-I%s' % x.abspath(self.env)) # build dir
+ self.env.append_unique('SWIGFLAGS', '-I%s' % x.abspath()) # source dir
+
+@extension(SWIG_EXTS)
+def i_file(self, node):
+ flags = self.to_list(getattr(self, 'swig_flags', []))
+
+ ext = '.swigwrap_%d.c' % self.idx
+ if '-c++' in flags:
+ ext += 'xx'
+
+ # the user might specify the module directly
+ module = getattr(self, 'swig_module', None)
+ if not module:
+ # else, open the files and search
+ txt = node.read(self.env)
+ m = re_module.search(txt)
+ if not m:
+ raise "for now we are expecting a module name in the main swig file"
+ module = m.group(1)
+ out_node = node.parent.find_or_declare(module + ext)
+
+ # the task instance
+ tsk = self.create_task('swig')
+ tsk.set_inputs(node)
+ tsk.set_outputs(out_node)
+ tsk.module = module
+ tsk.env['SWIGFLAGS'] = flags
+
+ if not '-outdir' in flags:
+ flags.append('-outdir')
+ flags.append(node.parent.abspath(self.env))
+
+ if not '-o' in flags:
+ flags.append('-o')
+ flags.append(out_node.abspath(self.env))
+
+ # add the language-specific output files as nodes
+ # call funs in the dict swig_langs
+ for x in flags:
+ # obtain the language
+ x = x[1:]
+ try:
+ fun = swig_langs[x]
+ except KeyError:
+ pass
+ else:
+ fun(tsk)
+
+ self.allnodes.append(out_node)
+
+ add_swig_paths(self)
+
+@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)
+
projects / aubio.git / blobdiff