121 lines
4.2 KiB
Python
121 lines
4.2 KiB
Python
"""SCons.Tool.swig
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Tool-specific initialization for swig.
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There normally shouldn't be any need to import this module directly.
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It will usually be imported through the generic SCons.Tool.Tool()
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selection method.
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"""
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#
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# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007 The SCons Foundation
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
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# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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__revision__ = "/home/scons/scons/branch.0/baseline/src/engine/SCons/Tool/swig.py 0.97.D001 2007/05/17 11:35:19 knight"
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import SCons.Action
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import SCons.Defaults
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import SCons.Tool
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import SCons.Util
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from SCons.Scanner import Scanner
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import os
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import re
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SwigAction = SCons.Action.Action('$SWIGCOM', '$SWIGCOMSTR')
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def swigSuffixEmitter(env, source):
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if '-c++' in SCons.Util.CLVar(env.subst("$SWIGFLAGS")):
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return '$SWIGCXXFILESUFFIX'
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else:
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return '$SWIGCFILESUFFIX'
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_reInclude = re.compile(r'%include\s+(\S+)')
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_reModule = re.compile(r'%module\s+(.+)')
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def recurse(path, searchPath):
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global _reInclude
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f = open(path)
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try: contents = f.read()
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finally: f.close()
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found = []
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# Better code for when we drop Python 1.5.2.
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#for m in _reInclude.finditer(contents):
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# fname = m.group(1)
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for fname in _reInclude.findall(contents):
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for dpath in searchPath:
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absPath = os.path.join(dpath, fname)
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if os.path.isfile(absPath):
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found.append(absPath)
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break
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# Equivalent code for when we drop Python 1.5.2.
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#for f in [f for f in found if os.path.splitext(f)[1] == ".i"]:
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# found += recurse(f, searchPath)
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for f in filter(lambda f: os.path.splitext(f)[1] == ".i", found):
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found = found + recurse(f, searchPath)
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return found
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def _scanSwig(node, env, path):
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r = recurse(str(node), [os.path.abspath(os.path.dirname(str(node))), os.path.abspath(os.path.join("include", "swig"))])
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return r
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def _swigEmitter(target, source, env):
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for src in source:
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src = str(src)
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mname = None
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flags = SCons.Util.CLVar(env.subst("$SWIGFLAGS"))
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if "-python" in flags and "-noproxy" not in flags:
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f = open(src)
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try:
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for l in f.readlines():
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m = _reModule.match(l)
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if m:
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mname = m.group(1)
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finally:
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f.close()
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if mname is not None:
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target.append(mname + ".py")
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return (target, source)
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def generate(env):
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"""Add Builders and construction variables for swig to an Environment."""
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c_file, cxx_file = SCons.Tool.createCFileBuilders(env)
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c_file.suffix['.i'] = swigSuffixEmitter
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cxx_file.suffix['.i'] = swigSuffixEmitter
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c_file.add_action('.i', SwigAction)
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c_file.add_emitter('.i', _swigEmitter)
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cxx_file.add_action('.i', SwigAction)
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cxx_file.add_emitter('.i', _swigEmitter)
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env['SWIG'] = 'swig'
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env['SWIGFLAGS'] = SCons.Util.CLVar('')
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env['SWIGCFILESUFFIX'] = '_wrap$CFILESUFFIX'
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env['SWIGCXXFILESUFFIX'] = '_wrap$CXXFILESUFFIX'
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env['SWIGCOM'] = '$SWIG $SWIGFLAGS -o $TARGET $SOURCES'
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env.Append(SCANNERS=Scanner(function=_scanSwig, skeys=[".i"]))
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def exists(env):
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return env.Detect(['swig'])
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