diff options
Diffstat (limited to 'third_party/scons/scons-local/SCons/Scanner/C.py')
-rw-r--r-- | third_party/scons/scons-local/SCons/Scanner/C.py | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/third_party/scons/scons-local/SCons/Scanner/C.py b/third_party/scons/scons-local/SCons/Scanner/C.py deleted file mode 100644 index eacf9f4..0000000 --- a/third_party/scons/scons-local/SCons/Scanner/C.py +++ /dev/null @@ -1,126 +0,0 @@ -"""SCons.Scanner.C - -This module implements the depenency scanner for C/C++ code. - -""" - -# -# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 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/Scanner/C.py 3897 2009/01/13 06:45:54 scons" - -import SCons.Node.FS -import SCons.Scanner -import SCons.Util - -import SCons.cpp - -class SConsCPPScanner(SCons.cpp.PreProcessor): - """ - SCons-specific subclass of the cpp.py module's processing. - - We subclass this so that: 1) we can deal with files represented - by Nodes, not strings; 2) we can keep track of the files that are - missing. - """ - def __init__(self, *args, **kw): - apply(SCons.cpp.PreProcessor.__init__, (self,)+args, kw) - self.missing = [] - def initialize_result(self, fname): - self.result = SCons.Util.UniqueList([fname]) - def finalize_result(self, fname): - return self.result[1:] - def find_include_file(self, t): - keyword, quote, fname = t - result = SCons.Node.FS.find_file(fname, self.searchpath[quote]) - if not result: - self.missing.append((fname, self.current_file)) - return result - def read_file(self, file): - try: - fp = open(str(file.rfile())) - except EnvironmentError, e: - self.missing.append((file, self.current_file)) - return '' - else: - return fp.read() - -def dictify_CPPDEFINES(env): - cppdefines = env.get('CPPDEFINES', {}) - if cppdefines is None: - return {} - if SCons.Util.is_Sequence(cppdefines): - result = {} - for c in cppdefines: - if SCons.Util.is_Sequence(c): - result[c[0]] = c[1] - else: - result[c] = None - return result - if not SCons.Util.is_Dict(cppdefines): - return {cppdefines : None} - return cppdefines - -class SConsCPPScannerWrapper: - """ - The SCons wrapper around a cpp.py scanner. - - This is the actual glue between the calling conventions of generic - SCons scanners, and the (subclass of) cpp.py class that knows how - to look for #include lines with reasonably real C-preprocessor-like - evaluation of #if/#ifdef/#else/#elif lines. - """ - def __init__(self, name, variable): - self.name = name - self.path = SCons.Scanner.FindPathDirs(variable) - def __call__(self, node, env, path = ()): - cpp = SConsCPPScanner(current = node.get_dir(), - cpppath = path, - dict = dictify_CPPDEFINES(env)) - result = cpp(node) - for included, includer in cpp.missing: - fmt = "No dependency generated for file: %s (included from: %s) -- file not found" - SCons.Warnings.warn(SCons.Warnings.DependencyWarning, - fmt % (included, includer)) - return result - - def recurse_nodes(self, nodes): - return nodes - def select(self, node): - return self - -def CScanner(): - """Return a prototype Scanner instance for scanning source files - that use the C pre-processor""" - - # Here's how we would (or might) use the CPP scanner code above that - # knows how to evaluate #if/#ifdef/#else/#elif lines when searching - # for #includes. This is commented out for now until we add the - # right configurability to let users pick between the scanners. - #return SConsCPPScannerWrapper("CScanner", "CPPPATH") - - cs = SCons.Scanner.ClassicCPP("CScanner", - "$CPPSUFFIXES", - "CPPPATH", - '^[ \t]*#[ \t]*(?:include|import)[ \t]*(<|")([^>"]+)(>|")') - return cs |