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authorDavid Robillard <d@drobilla.net>2019-04-21 22:56:13 +0200
committerDavid Robillard <d@drobilla.net>2019-04-21 22:56:13 +0200
commitbc596356af71d95eb2a341d0324a76e6b7e59a73 (patch)
treeb98fff0fffd6503acd8cb1cd452e055749ac94c0 /waflib/extras/swig.py
parent683d47cb7fddf5447de76cdf80041b6b230de93c (diff)
downloadserd-bc596356af71d95eb2a341d0324a76e6b7e59a73.tar.gz
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Switch to using a submodule for autowaf
Diffstat (limited to 'waflib/extras/swig.py')
m---------waflib0
-rw-r--r--waflib/extras/swig.py237
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diff --git a/waflib b/waflib
new file mode 160000
+Subproject 2314e236ca6e7d94a26c3c17091da0f25f5867f
diff --git a/waflib/extras/swig.py b/waflib/extras/swig.py
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--- a/waflib/extras/swig.py
+++ /dev/null
@@ -1,237 +0,0 @@
-#! /usr/bin/env python
-# encoding: UTF-8
-# Petar Forai
-# Thomas Nagy 2008-2010 (ita)
-
-import re
-from waflib import Task, Logs
-from waflib.TaskGen import extension, feature, after_method
-from waflib.Configure import conf
-from waflib.Tools import c_preproc
-
-"""
-tasks have to be added dynamically:
-- swig interface files may be created at runtime
-- the module name may be unknown in advance
-"""
-
-SWIG_EXTS = ['.swig', '.i']
-
-re_module = re.compile(r'%module(?:\s*\(.*\))?\s+(.+)', re.M)
-
-re_1 = re.compile(r'^%module.*?\s+([\w]+)\s*?$', re.M)
-re_2 = re.compile(r'[#%](?:include|import(?:\(module=".*"\))+|python(?:begin|code)) [<"](.*)[">]', re.M)
-
-class swig(Task.Task):
- color = 'BLUE'
- run_str = '${SWIG} ${SWIGFLAGS} ${SWIGPATH_ST:INCPATHS} ${SWIGDEF_ST:DEFINES} ${SRC}'
- ext_out = ['.h'] # might produce .h files although it is not mandatory
- vars = ['SWIG_VERSION', 'SWIGDEPS']
-
- def runnable_status(self):
- for t in self.run_after:
- if not t.hasrun:
- return Task.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()
- 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 super(swig, self).runnable_status()
-
- def scan(self):
- "scan for swig dependencies, climb the .i files"
- lst_src = []
-
- seen = []
- missing = []
- to_see = [self.inputs[0]]
-
- while to_see:
- node = to_see.pop(0)
- if node in seen:
- continue
- seen.append(node)
- lst_src.append(node)
-
- # read the file
- code = node.read()
- code = c_preproc.re_nl.sub('', code)
- code = c_preproc.re_cpp.sub(c_preproc.repl, code)
-
- # find .i files and project headers
- names = re_2.findall(code)
- for n in names:
- for d in self.generator.includes_nodes + [node.parent]:
- u = d.find_resource(n)
- if u:
- to_see.append(u)
- break
- else:
- missing.append(n)
- return (lst_src, missing)
-
-# provide additional language processing
-swig_langs = {}
-def swigf(fun):
- swig_langs[fun.__name__.replace('swig_', '')] = fun
- return fun
-swig.swigf = swigf
-
-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)
-
- if '-c++' in flags:
- c_tsk = self.generator.cxx_hook(out_node)
- else:
- c_tsk = self.generator.c_hook(out_node)
-
- c_tsk.set_run_after(self)
-
- # transfer weights from swig task to c task
- if getattr(self, 'weight', None):
- c_tsk.weight = self.weight
- if getattr(self, 'tree_weight', None):
- c_tsk.tree_weight = self.tree_weight
-
- try:
- self.more_tasks.append(c_tsk)
- except AttributeError:
- self.more_tasks = [c_tsk]
-
- try:
- ltask = self.generator.link_task
- except AttributeError:
- pass
- else:
- ltask.set_run_after(c_tsk)
- # setting input nodes does not declare the build order
- # because the build already started, but it sets
- # the dependency to enable rebuilds
- ltask.inputs.append(c_tsk.outputs[0])
-
- self.outputs.append(out_node)
-
- if not '-o' in self.env['SWIGFLAGS']:
- self.env.append_value('SWIGFLAGS', ['-o', self.outputs[0].abspath()])
-
-@swigf
-def swig_python(tsk):
- node = tsk.inputs[0].parent
- if tsk.outdir:
- node = tsk.outdir
- tsk.set_outputs(node.find_or_declare(tsk.module+'.py'))
-
-@swigf
-def swig_ocaml(tsk):
- node = tsk.inputs[0].parent
- if tsk.outdir:
- node = tsk.outdir
- tsk.set_outputs(node.find_or_declare(tsk.module+'.ml'))
- tsk.set_outputs(node.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', []))
- tsk.env.append_value('SWIGFLAGS', flags)
-
- tsk.outdir = None
- if '-outdir' in flags:
- outdir = flags[flags.index('-outdir')+1]
- outdir = tsk.generator.bld.bldnode.make_node(outdir)
- outdir.mkdir()
- tsk.outdir = outdir
-
-@feature('c', 'cxx', 'd', 'fc', 'asm')
-@after_method('apply_link', 'process_source')
-def enforce_swig_before_link(self):
- try:
- link_task = self.link_task
- except AttributeError:
- pass
- else:
- for x in self.tasks:
- if x.__class__.__name__ == 'swig':
- link_task.run_after.add(x)
-
-@conf
-def check_swig_version(conf, minver=None):
- """
- Check if the swig tool is found matching a given minimum version.
- minver should be a tuple, eg. to check for swig >= 1.3.28 pass (1,3,28) as minver.
-
- If successful, SWIG_VERSION is defined as 'MAJOR.MINOR'
- (eg. '1.3') of the actual swig version found.
-
- :param minver: minimum version
- :type minver: tuple of int
- :return: swig version
- :rtype: tuple of int
- """
- assert minver is None or isinstance(minver, tuple)
- swigbin = conf.env['SWIG']
- if not swigbin:
- conf.fatal('could not find the swig executable')
-
- # Get swig version string
- cmd = swigbin + ['-version']
- Logs.debug('swig: Running swig command %r', cmd)
- reg_swig = re.compile(r'SWIG Version\s(.*)', re.M)
- swig_out = conf.cmd_and_log(cmd)
- swigver_tuple = tuple([int(s) for s in reg_swig.findall(swig_out)[0].split('.')])
-
- # Compare swig version with the minimum required
- result = (minver is None) or (swigver_tuple >= minver)
-
- if result:
- # Define useful environment variables
- swigver = '.'.join([str(x) for x in swigver_tuple[:2]])
- conf.env['SWIG_VERSION'] = swigver
-
- # Feedback
- swigver_full = '.'.join(map(str, swigver_tuple[:3]))
- if minver is None:
- conf.msg('Checking for swig version', swigver_full)
- else:
- minver_str = '.'.join(map(str, minver))
- conf.msg('Checking for swig version >= %s' % (minver_str,), swigver_full, color=result and 'GREEN' or 'YELLOW')
-
- if not result:
- conf.fatal('The swig version is too old, expecting %r' % (minver,))
-
- return swigver_tuple
-
-def configure(conf):
- conf.find_program('swig', var='SWIG')
- conf.env.SWIGPATH_ST = '-I%s'
- conf.env.SWIGDEF_ST = '-D%s'
-