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Unified Diff: scons-2.0.1/engine/SCons/Tool/qt.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/qt.py
===================================================================
--- scons-2.0.1/engine/SCons/Tool/qt.py (revision 0)
+++ scons-2.0.1/engine/SCons/Tool/qt.py (revision 0)
@@ -0,0 +1,336 @@
+
+"""SCons.Tool.qt
+
+Tool-specific initialization for Qt.
+
+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/qt.py 5134 2010/08/16 23:02:40 bdeegan"
+
+import os.path
+import re
+
+import SCons.Action
+import SCons.Builder
+import SCons.Defaults
+import SCons.Scanner
+import SCons.Tool
+import SCons.Util
+
+class ToolQtWarning(SCons.Warnings.Warning):
+ pass
+
+class GeneratedMocFileNotIncluded(ToolQtWarning):
+ pass
+
+class QtdirNotFound(ToolQtWarning):
+ pass
+
+SCons.Warnings.enableWarningClass(ToolQtWarning)
+
+header_extensions = [".h", ".hxx", ".hpp", ".hh"]
+if SCons.Util.case_sensitive_suffixes('.h', '.H'):
+ header_extensions.append('.H')
+cplusplus = __import__('c++', globals(), locals(), [])
+cxx_suffixes = cplusplus.CXXSuffixes
+
+def checkMocIncluded(target, source, env):
+ moc = target[0]
+ cpp = source[0]
+ # looks like cpp.includes is cleared before the build stage :-(
+ # not really sure about the path transformations (moc.cwd? cpp.cwd?) :-/
+ path = SCons.Defaults.CScan.path(env, moc.cwd)
+ includes = SCons.Defaults.CScan(cpp, env, path)
+ if not moc in includes:
+ SCons.Warnings.warn(
+ GeneratedMocFileNotIncluded,
+ "Generated moc file '%s' is not included by '%s'" %
+ (str(moc), str(cpp)))
+
+def find_file(filename, paths, node_factory):
+ for dir in paths:
+ node = node_factory(filename, dir)
+ if node.rexists():
+ return node
+ return None
+
+class _Automoc(object):
+ """
+ Callable class, which works as an emitter for Programs, SharedLibraries and
+ StaticLibraries.
+ """
+
+ def __init__(self, objBuilderName):
+ self.objBuilderName = objBuilderName
+
+ def __call__(self, target, source, env):
+ """
+ Smart autoscan function. Gets the list of objects for the Program
+ or Lib. Adds objects and builders for the special qt files.
+ """
+ try:
+ if int(env.subst('$QT_AUTOSCAN')) == 0:
+ return target, source
+ except ValueError:
+ pass
+ try:
+ debug = int(env.subst('$QT_DEBUG'))
+ except ValueError:
+ debug = 0
+
+ # some shortcuts used in the scanner
+ splitext = SCons.Util.splitext
+ objBuilder = getattr(env, self.objBuilderName)
+
+ # some regular expressions:
+ # Q_OBJECT detection
+ q_object_search = re.compile(r'[^A-Za-z0-9]Q_OBJECT[^A-Za-z0-9]')
+ # cxx and c comment 'eater'
+ #comment = re.compile(r'(//.*)|(/\*(([^*])|(\*[^/]))*\*/)')
+ # CW: something must be wrong with the regexp. See also bug #998222
+ # CURRENTLY THERE IS NO TEST CASE FOR THAT
+
+ # The following is kind of hacky to get builders working properly (FIXME)
+ objBuilderEnv = objBuilder.env
+ objBuilder.env = env
+ mocBuilderEnv = env.Moc.env
+ env.Moc.env = env
+
+ # make a deep copy for the result; MocH objects will be appended
+ out_sources = source[:]
+
+ for obj in source:
+ if not obj.has_builder():
+ # binary obj file provided
+ if debug:
+ print "scons: qt: '%s' seems to be a binary. Discarded." % str(obj)
+ continue
+ cpp = obj.sources[0]
+ if not splitext(str(cpp))[1] in cxx_suffixes:
+ if debug:
+ print "scons: qt: '%s' is no cxx file. Discarded." % str(cpp)
+ # c or fortran source
+ continue
+ #cpp_contents = comment.sub('', cpp.get_text_contents())
+ cpp_contents = cpp.get_text_contents()
+ h=None
+ for h_ext in header_extensions:
+ # try to find the header file in the corresponding source
+ # directory
+ hname = splitext(cpp.name)[0] + h_ext
+ h = find_file(hname, (cpp.get_dir(),), env.File)
+ if h:
+ if debug:
+ print "scons: qt: Scanning '%s' (header of '%s')" % (str(h), str(cpp))
+ #h_contents = comment.sub('', h.get_text_contents())
+ h_contents = h.get_text_contents()
+ break
+ if not h and debug:
+ print "scons: qt: no header for '%s'." % (str(cpp))
+ if h and q_object_search.search(h_contents):
+ # h file with the Q_OBJECT macro found -> add moc_cpp
+ moc_cpp = env.Moc(h)
+ moc_o = objBuilder(moc_cpp)
+ out_sources.append(moc_o)
+ #moc_cpp.target_scanner = SCons.Defaults.CScan
+ if debug:
+ print "scons: qt: found Q_OBJECT macro in '%s', moc'ing to '%s'" % (str(h), str(moc_cpp))
+ if cpp and q_object_search.search(cpp_contents):
+ # cpp file with Q_OBJECT macro found -> add moc
+ # (to be included in cpp)
+ moc = env.Moc(cpp)
+ env.Ignore(moc, moc)
+ if debug:
+ print "scons: qt: found Q_OBJECT macro in '%s', moc'ing to '%s'" % (str(cpp), str(moc))
+ #moc.source_scanner = SCons.Defaults.CScan
+ # restore the original env attributes (FIXME)
+ objBuilder.env = objBuilderEnv
+ env.Moc.env = mocBuilderEnv
+
+ return (target, out_sources)
+
+AutomocShared = _Automoc('SharedObject')
+AutomocStatic = _Automoc('StaticObject')
+
+def _detect(env):
+ """Not really safe, but fast method to detect the QT library"""
+ QTDIR = None
+ if not QTDIR:
+ QTDIR = env.get('QTDIR',None)
+ if not QTDIR:
+ QTDIR = os.environ.get('QTDIR',None)
+ if not QTDIR:
+ moc = env.WhereIs('moc')
+ if moc:
+ QTDIR = os.path.dirname(os.path.dirname(moc))
+ SCons.Warnings.warn(
+ QtdirNotFound,
+ "Could not detect qt, using moc executable as a hint (QTDIR=%s)" % QTDIR)
+ else:
+ QTDIR = None
+ SCons.Warnings.warn(
+ QtdirNotFound,
+ "Could not detect qt, using empty QTDIR")
+ return QTDIR
+
+def uicEmitter(target, source, env):
+ adjustixes = SCons.Util.adjustixes
+ bs = SCons.Util.splitext(str(source[0].name))[0]
+ bs = os.path.join(str(target[0].get_dir()),bs)
+ # first target (header) is automatically added by builder
+ if len(target) < 2:
+ # second target is implementation
+ target.append(adjustixes(bs,
+ env.subst('$QT_UICIMPLPREFIX'),
+ env.subst('$QT_UICIMPLSUFFIX')))
+ if len(target) < 3:
+ # third target is moc file
+ target.append(adjustixes(bs,
+ env.subst('$QT_MOCHPREFIX'),
+ env.subst('$QT_MOCHSUFFIX')))
+ return target, source
+
+def uicScannerFunc(node, env, path):
+ lookout = []
+ lookout.extend(env['CPPPATH'])
+ lookout.append(str(node.rfile().dir))
+ includes = re.findall("<include.*?>(.*?)</include>", node.get_text_contents())
+ result = []
+ for incFile in includes:
+ dep = env.FindFile(incFile,lookout)
+ if dep:
+ result.append(dep)
+ return result
+
+uicScanner = SCons.Scanner.Base(uicScannerFunc,
+ name = "UicScanner",
+ node_class = SCons.Node.FS.File,
+ node_factory = SCons.Node.FS.File,
+ recursive = 0)
+
+def generate(env):
+ """Add Builders and construction variables for qt to an Environment."""
+ CLVar = SCons.Util.CLVar
+ Action = SCons.Action.Action
+ Builder = SCons.Builder.Builder
+
+ env.SetDefault(QTDIR = _detect(env),
+ QT_BINPATH = os.path.join('$QTDIR', 'bin'),
+ QT_CPPPATH = os.path.join('$QTDIR', 'include'),
+ QT_LIBPATH = os.path.join('$QTDIR', 'lib'),
+ QT_MOC = os.path.join('$QT_BINPATH','moc'),
+ QT_UIC = os.path.join('$QT_BINPATH','uic'),
+ QT_LIB = 'qt', # may be set to qt-mt
+
+ QT_AUTOSCAN = 1, # scan for moc'able sources
+
+ # Some QT specific flags. I don't expect someone wants to
+ # manipulate those ...
+ QT_UICIMPLFLAGS = CLVar(''),
+ QT_UICDECLFLAGS = CLVar(''),
+ QT_MOCFROMHFLAGS = CLVar(''),
+ QT_MOCFROMCXXFLAGS = CLVar('-i'),
+
+ # suffixes/prefixes for the headers / sources to generate
+ QT_UICDECLPREFIX = '',
+ QT_UICDECLSUFFIX = '.h',
+ QT_UICIMPLPREFIX = 'uic_',
+ QT_UICIMPLSUFFIX = '$CXXFILESUFFIX',
+ QT_MOCHPREFIX = 'moc_',
+ QT_MOCHSUFFIX = '$CXXFILESUFFIX',
+ QT_MOCCXXPREFIX = '',
+ QT_MOCCXXSUFFIX = '.moc',
+ QT_UISUFFIX = '.ui',
+
+ # Commands for the qt support ...
+ # command to generate header, implementation and moc-file
+ # from a .ui file
+ QT_UICCOM = [
+ CLVar('$QT_UIC $QT_UICDECLFLAGS -o ${TARGETS[0]} $SOURCE'),
+ CLVar('$QT_UIC $QT_UICIMPLFLAGS -impl ${TARGETS[0].file} '
+ '-o ${TARGETS[1]} $SOURCE'),
+ CLVar('$QT_MOC $QT_MOCFROMHFLAGS -o ${TARGETS[2]} ${TARGETS[0]}')],
+ # command to generate meta object information for a class
+ # declarated in a header
+ QT_MOCFROMHCOM = (
+ '$QT_MOC $QT_MOCFROMHFLAGS -o ${TARGETS[0]} $SOURCE'),
+ # command to generate meta object information for a class
+ # declarated in a cpp file
+ QT_MOCFROMCXXCOM = [
+ CLVar('$QT_MOC $QT_MOCFROMCXXFLAGS -o ${TARGETS[0]} $SOURCE'),
+ Action(checkMocIncluded,None)])
+
+ # ... and the corresponding builders
+ uicBld = Builder(action=SCons.Action.Action('$QT_UICCOM', '$QT_UICCOMSTR'),
+ emitter=uicEmitter,
+ src_suffix='$QT_UISUFFIX',
+ suffix='$QT_UICDECLSUFFIX',
+ prefix='$QT_UICDECLPREFIX',
+ source_scanner=uicScanner)
+ mocBld = Builder(action={}, prefix={}, suffix={})
+ for h in header_extensions:
+ act = SCons.Action.Action('$QT_MOCFROMHCOM', '$QT_MOCFROMHCOMSTR')
+ mocBld.add_action(h, act)
+ mocBld.prefix[h] = '$QT_MOCHPREFIX'
+ mocBld.suffix[h] = '$QT_MOCHSUFFIX'
+ for cxx in cxx_suffixes:
+ act = SCons.Action.Action('$QT_MOCFROMCXXCOM', '$QT_MOCFROMCXXCOMSTR')
+ mocBld.add_action(cxx, act)
+ mocBld.prefix[cxx] = '$QT_MOCCXXPREFIX'
+ mocBld.suffix[cxx] = '$QT_MOCCXXSUFFIX'
+
+ # register the builders
+ env['BUILDERS']['Uic'] = uicBld
+ env['BUILDERS']['Moc'] = mocBld
+ static_obj, shared_obj = SCons.Tool.createObjBuilders(env)
+ static_obj.add_src_builder('Uic')
+ shared_obj.add_src_builder('Uic')
+
+ # We use the emitters of Program / StaticLibrary / SharedLibrary
+ # to scan for moc'able files
+ # We can't refer to the builders directly, we have to fetch them
+ # as Environment attributes because that sets them up to be called
+ # correctly later by our emitter.
+ env.AppendUnique(PROGEMITTER =[AutomocStatic],
+ SHLIBEMITTER=[AutomocShared],
+ LIBEMITTER =[AutomocStatic],
+ # Of course, we need to link against the qt libraries
+ CPPPATH=["$QT_CPPPATH"],
+ LIBPATH=["$QT_LIBPATH"],
+ LIBS=['$QT_LIB'])
+
+def exists(env):
+ return _detect(env)
+
+# 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/qt.py
___________________________________________________________________
Added: svn:eol-style
+ LF
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