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Unified Diff: scons-2.0.1/engine/SCons/Tool/swig.py

Issue 6711079: Added an unmodified copy of SCons to third_party. (Closed) Base URL: svn://svn.chromium.org/native_client/trunk/src/third_party/
Patch Set: '' Created 9 years, 9 months ago
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Index: scons-2.0.1/engine/SCons/Tool/swig.py
===================================================================
--- scons-2.0.1/engine/SCons/Tool/swig.py (revision 0)
+++ scons-2.0.1/engine/SCons/Tool/swig.py (revision 0)
@@ -0,0 +1,182 @@
+"""SCons.Tool.swig
+
+Tool-specific initialization for swig.
+
+There normally shouldn't be any need to import this module directly.
+It will usually be imported through the generic SCons.Tool.Tool()
+selection method.
+
+"""
+
+#
+# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 The SCons Foundation
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "src/engine/SCons/Tool/swig.py 5134 2010/08/16 23:02:40 bdeegan"
+
+import os.path
+import re
+import subprocess
+
+import SCons.Action
+import SCons.Defaults
+import SCons.Scanner
+import SCons.Tool
+import SCons.Util
+
+SwigAction = SCons.Action.Action('$SWIGCOM', '$SWIGCOMSTR')
+
+def swigSuffixEmitter(env, source):
+ if '-c++' in SCons.Util.CLVar(env.subst("$SWIGFLAGS", source=source)):
+ return '$SWIGCXXFILESUFFIX'
+ else:
+ return '$SWIGCFILESUFFIX'
+
+# Match '%module test', as well as '%module(directors="1") test'
+# Also allow for test to be quoted (SWIG permits double quotes, but not single)
+_reModule = re.compile(r'%module(\s*\(.*\))?\s+("?)(.+)\2')
+
+def _find_modules(src):
+ """Find all modules referenced by %module lines in `src`, a SWIG .i file.
+ Returns a list of all modules, and a flag set if SWIG directors have
+ been requested (SWIG will generate an additional header file in this
+ case.)"""
+ directors = 0
+ mnames = []
+ try:
+ matches = _reModule.findall(open(src).read())
+ except IOError:
+ # If the file's not yet generated, guess the module name from the filename
+ matches = []
+ mnames.append(os.path.splitext(src)[0])
+
+ for m in matches:
+ mnames.append(m[2])
+ directors = directors or m[0].find('directors') >= 0
+ return mnames, directors
+
+def _add_director_header_targets(target, env):
+ # Directors only work with C++ code, not C
+ suffix = env.subst(env['SWIGCXXFILESUFFIX'])
+ # For each file ending in SWIGCXXFILESUFFIX, add a new target director
+ # header by replacing the ending with SWIGDIRECTORSUFFIX.
+ for x in target[:]:
+ n = x.name
+ d = x.dir
+ if n[-len(suffix):] == suffix:
+ target.append(d.File(n[:-len(suffix)] + env['SWIGDIRECTORSUFFIX']))
+
+def _swigEmitter(target, source, env):
+ swigflags = env.subst("$SWIGFLAGS", target=target, source=source)
+ flags = SCons.Util.CLVar(swigflags)
+ for src in source:
+ src = str(src.rfile())
+ mnames = None
+ if "-python" in flags and "-noproxy" not in flags:
+ if mnames is None:
+ mnames, directors = _find_modules(src)
+ if directors:
+ _add_director_header_targets(target, env)
+ python_files = [m + ".py" for m in mnames]
+ outdir = env.subst('$SWIGOUTDIR', target=target, source=source)
+ # .py files should be generated in SWIGOUTDIR if specified,
+ # otherwise in the same directory as the target
+ if outdir:
+ python_files = [env.fs.File(os.path.join(outdir, j)) for j in python_files]
+ else:
+ python_files = [target[0].dir.File(m) for m in python_files]
+ target.extend(python_files)
+ if "-java" in flags:
+ if mnames is None:
+ mnames, directors = _find_modules(src)
+ if directors:
+ _add_director_header_targets(target, env)
+ java_files = [[m + ".java", m + "JNI.java"] for m in mnames]
+ java_files = SCons.Util.flatten(java_files)
+ outdir = env.subst('$SWIGOUTDIR', target=target, source=source)
+ if outdir:
+ java_files = [os.path.join(outdir, j) for j in java_files]
+ java_files = list(map(env.fs.File, java_files))
+ for jf in java_files:
+ t_from_s = lambda t, p, s, x: t.dir
+ SCons.Util.AddMethod(jf, t_from_s, 'target_from_source')
+ target.extend(java_files)
+ return (target, source)
+
+def _get_swig_version(env):
+ """Run the SWIG command line tool to get and return the version number"""
+ pipe = SCons.Action._subproc(env, [env['SWIG'], '-version'],
+ stdin = 'devnull',
+ stderr = 'devnull',
+ stdout = subprocess.PIPE)
+ if pipe.wait() != 0: return
+
+ out = pipe.stdout.read()
+ match = re.search(r'SWIG Version\s+(\S+)$', out, re.MULTILINE)
+ if match:
+ return match.group(1)
+
+def generate(env):
+ """Add Builders and construction variables for swig to an Environment."""
+ c_file, cxx_file = SCons.Tool.createCFileBuilders(env)
+
+ c_file.suffix['.i'] = swigSuffixEmitter
+ cxx_file.suffix['.i'] = swigSuffixEmitter
+
+ c_file.add_action('.i', SwigAction)
+ c_file.add_emitter('.i', _swigEmitter)
+ cxx_file.add_action('.i', SwigAction)
+ cxx_file.add_emitter('.i', _swigEmitter)
+
+ java_file = SCons.Tool.CreateJavaFileBuilder(env)
+
+ java_file.suffix['.i'] = swigSuffixEmitter
+
+ java_file.add_action('.i', SwigAction)
+ java_file.add_emitter('.i', _swigEmitter)
+
+ env['SWIG'] = 'swig'
+ env['SWIGVERSION'] = _get_swig_version(env)
+ env['SWIGFLAGS'] = SCons.Util.CLVar('')
+ env['SWIGDIRECTORSUFFIX'] = '_wrap.h'
+ env['SWIGCFILESUFFIX'] = '_wrap$CFILESUFFIX'
+ env['SWIGCXXFILESUFFIX'] = '_wrap$CXXFILESUFFIX'
+ env['_SWIGOUTDIR'] = r'${"-outdir \"%s\"" % SWIGOUTDIR}'
+ env['SWIGPATH'] = []
+ env['SWIGINCPREFIX'] = '-I'
+ env['SWIGINCSUFFIX'] = ''
+ env['_SWIGINCFLAGS'] = '$( ${_concat(SWIGINCPREFIX, SWIGPATH, SWIGINCSUFFIX, __env__, RDirs, TARGET, SOURCE)} $)'
+ env['SWIGCOM'] = '$SWIG -o $TARGET ${_SWIGOUTDIR} ${_SWIGINCFLAGS} $SWIGFLAGS $SOURCES'
+
+ expr = '^[ \t]*%[ \t]*(?:include|import|extern)[ \t]*(<|"?)([^>\s"]+)(?:>|"?)'
+ scanner = SCons.Scanner.ClassicCPP("SWIGScan", ".i", "SWIGPATH", expr)
+
+ env.Append(SCANNERS = scanner)
+
+def exists(env):
+ return env.Detect(['swig'])
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
Property changes on: scons-2.0.1/engine/SCons/Tool/swig.py
___________________________________________________________________
Added: svn:eol-style
+ LF
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