siputils.py

这是关于RFC3261实现sip的源代码

                cxxflags_rtti = "CXXFLAGS_RTTI_OFF"

            cflags.extend(self.optional_list(cflags_rtti))
            cxxflags.extend(self.optional_list(cxxflags_rtti))

            if win_stl:
                cflags_stl = "CFLAGS_STL_ON"
                cxxflags_stl = "CXXFLAGS_STL_ON"
            else:
                cflags_stl = "CFLAGS_STL_OFF"
                cxxflags_stl = "CXXFLAGS_STL_OFF"

            cflags.extend(self.optional_list(cflags_stl))
            cxxflags.extend(self.optional_list(cxxflags_stl))

        if self._debug:
            if win_shared:
                cflags_mt = "CFLAGS_MT_DLLDBG"
                cxxflags_mt = "CXXFLAGS_MT_DLLDBG"
            else:
                cflags_mt = "CFLAGS_MT_DBG"
                cxxflags_mt = "CXXFLAGS_MT_DBG"

            cflags_debug = "CFLAGS_DEBUG"
            cxxflags_debug = "CXXFLAGS_DEBUG"
            lflags_debug = "LFLAGS_DEBUG"
        else:
            if win_shared:
                cflags_mt = "CFLAGS_MT_DLL"
                cxxflags_mt = "CXXFLAGS_MT_DLL"
            else:
                cflags_mt = "CFLAGS_MT"
                cxxflags_mt = "CXXFLAGS_MT"

            cflags_debug = "CFLAGS_RELEASE"
            cxxflags_debug = "CXXFLAGS_RELEASE"
            lflags_debug = "LFLAGS_RELEASE"

        if self.generator in ("MSVC", "MSVC.NET", "BMAKE"):
            if self._threaded:
                cflags.extend(self.optional_list(cflags_mt))
                cxxflags.extend(self.optional_list(cxxflags_mt))

            if self.console:
                cflags.extend(self.optional_list("CFLAGS_CONSOLE"))
                cxxflags.extend(self.optional_list("CXXFLAGS_CONSOLE"))

        cflags.extend(self.optional_list(cflags_debug))
        cxxflags.extend(self.optional_list(cxxflags_debug))
        lflags.extend(self.optional_list(lflags_debug))

        if self._warnings:
            cflags_warn = "CFLAGS_WARN_ON"
            cxxflags_warn = "CXXFLAGS_WARN_ON"
        else:
            cflags_warn = "CFLAGS_WARN_OFF"
            cxxflags_warn = "CXXFLAGS_WARN_OFF"

        cflags.extend(self.optional_list(cflags_warn))
        cxxflags.extend(self.optional_list(cxxflags_warn))

        if self._threaded:
            cflags.extend(self.optional_list("CFLAGS_THREAD"))
            cxxflags.extend(self.optional_list("CXXFLAGS_THREAD"))
            lflags.extend(self.optional_list("LFLAGS_THREAD"))

        if self._qt:
            if self.generator != "UNIX" and win_shared:
                defines.append("QT_DLL")

            if not self._debug:
                defines.append("QT_NO_DEBUG")

            if self.config.qt_version >= 0x040000:
                for mod in self._qt:
                    if mod == "QtCore":
                        defines.append("QT_CORE_LIB")
                    elif mod == "QtGui":
                        defines.append("QT_GUI_LIB")
                    elif mod == "QtNetwork":
                        defines.append("QT_NETWORK_LIB")
                    elif mod == "QtOpenGL":
                        defines.append("QT_OPENGL_LIB")
                    elif mod == "QtSql":
                        defines.append("QT_SQL_LIB")
                    elif mod == "QtXml":
                        defines.append("QT_XML_LIB")
            elif self._threaded:
                defines.append("QT_THREAD_SUPPORT")

            # Handle library directories.
            libdir_qt = self.optional_list("LIBDIR_QT")
            libdir.extend(libdir_qt)
            rpaths.extend(libdir_qt)

            if self.config.qt_version >= 0x040000:
                # For Windows: the macros that define the dependencies on
                # Windows libraries.
                wdepmap = {
                    "QtCore":       "LIBS_CORE",
                    "QtGui":        "LIBS_GUI",
                    "QtNetwork":    "LIBS_NETWORK",
                    "QtOpenGL":     "LIBS_OPENGL"
                }

                # For Windows: the dependencies between Qt libraries.
                qdepmap = {
                    "QtAssistant":  ("QtCore", "QtGui", "QtNetwork"),
                    "QtGui":        ("QtCore", ),
                    "QtNetwork":    ("QtCore", ),
                    "QtOpenGL":     ("QtCore", "QtGui"),
                    "QtSql":        ("QtCore", ),
                    "QtSvg":        ("QtCore", "QtGui", "QtXml"),
                    "QtXml":        ("QtCore", )
                }

                # The QtSql .prl file doesn't include QtGui as a dependency (at
                # least on Linux) so we explcitly set the dependency here for
                # everything.
                if "QtSql" in self._qt and "QtGui" not in self._qt:
                    self._qt.append("QtGui")

                for mod in self._qt:
                    lib = self._qt4_module_to_lib(mod)
                    libs.append(self.platform_lib(lib, self._is_framework(mod)))

                    if sys.platform == "win32":
                        # On Windows the dependent libraries seem to be in
                        # qmake.conf rather than the .prl file and the
                        # inter-dependencies between Qt libraries don't seem to
                        # be anywhere.
                        deps = _UniqueList()

                        if mod in wdepmap.keys():
                            deps.extend(self.optional_list(wdepmap[mod]))

                        if mod in qdepmap.keys():
                            for qdep in qdepmap[mod]:
                                # Ignore the dependency if it is explicitly
                                # linked.
                                if qdep not in self._qt:
                                    libs.append(self.platform_lib(self._qt4_module_to_lib(qdep)))

                                    if qdep in wdepmap.keys():
                                        deps.extend(self.optional_list(wdepmap[qdep]))

                        libs.extend(deps.as_list())
                    else:
                        libs.extend(self._dependent_libs(lib))
            else:
                # Windows needs the version number appended if Qt is a DLL.
                qt_lib = self.config.qt_lib

                if self.generator in ("MSVC", "MSVC.NET", "BMAKE") and win_shared:
                    qt_lib = qt_lib + string.replace(version_to_string(self.config.qt_version), ".", "")

                    if self.config.qt_edition == "non-commercial":
                        qt_lib = qt_lib + "nc"

                libs.append(self.platform_lib(qt_lib, self.config.qt_framework))
                libs.extend(self._dependent_libs(self.config.qt_lib))

            # Handle header directories.
            try:
                specd_base = self.config.qt_data_dir
            except AttributeError:
                specd_base = self.config.qt_dir

            specd = os.path.join(specd_base, "mkspecs", "default")

            if not os.access(specd, os.F_OK):
                specd = os.path.join(specd_base, "mkspecs", self.config.platform)

            incdir.append(specd)

            qtincdir = self.optional_list("INCDIR_QT")

            if qtincdir:
                incdir.extend(qtincdir)

                if self.config.qt_version >= 0x040000:
                    for mod in self._qt:
                        if self._is_framework(mod):
                            incdir.append(os.path.join(libdir_qt[0], mod + ".framework", "Headers"))
                        else:
                            incdir.append(os.path.join(qtincdir[0], mod))

        if self._opengl:
            incdir.extend(self.optional_list("INCDIR_OPENGL"))
            lflags.extend(self.optional_list("LFLAGS_OPENGL"))
            libdir.extend(self.optional_list("LIBDIR_OPENGL"))
            libs.extend(self.optional_list("LIBS_OPENGL"))

        if self._qt or self._opengl:
            incdir.extend(self.optional_list("INCDIR_X11"))
            libdir.extend(self.optional_list("LIBDIR_X11"))
            libs.extend(self.optional_list("LIBS_X11"))

        if self._threaded:
            libs.extend(self.optional_list("LIBS_THREAD"))
            libs.extend(self.optional_list("LIBS_RTMT"))
        else:
            libs.extend(self.optional_list("LIBS_RT"))

        if self.console:
            libs.extend(self.optional_list("LIBS_CONSOLE"))

        libs.extend(self.optional_list("LIBS_WINDOWS"))

        lflags.extend(self._platform_rpaths(rpaths.as_list()))

        # Save the transformed values.
        self.CFLAGS.set(cflags)
        self.CXXFLAGS.set(cxxflags)
        self.DEFINES.set(defines)
        self.INCDIR.set(incdir)
        self.LFLAGS.set(lflags)
        self.LIBDIR.set(libdir)
        self.LIBS.set(libs)

        # Don't do it again because it has side effects.
        self._finalised = 1

    def _is_framework(self, mod):
        """Return true if the given Qt module is a framework.
        """
        return (self.config.qt_framework and mod != "QtAssistant")

    def _qt4_module_to_lib(self, mname):
        """Return the name of the Qt4 library corresponding to a module.

        mname is the name of the module.
        """
        if mname == "QtAssistant":
            lib = "QtAssistantClient"
        else:
            lib = mname

        if self._debug:
            if sys.platform == "win32":
                lib = lib + "d"
            else:
                lib = lib + "_debug"

        if sys.platform == "win32" and mname in ("QtCore", "QtGui", "QtNetwork", "QtOpenGL", "QtSql", "QtSvg", "QtXml"):
            lib = lib + "4"

        return lib

    def optional_list(self, name):
        """Return an optional Makefile macro as a list.

        name is the name of the macro.
        """
        return self.__dict__[name].as_list()

    def optional_string(self, name, default=""):
        """Return an optional Makefile macro as a string.

        name is the name of the macro.
        default is the default value
        """
        s = string.join(self.optional_list(name))

        if not s:
            s = default

        return s

    def required_string(self, name):
        """Return a required Makefile macro as a string.

        name is the name of the macro.
        """
        s = self.optional_string(name)

        if not s:
            raise ValueError, "\"%s\" must have a non-empty value" % name

        return s

    def _platform_rpaths(self, rpaths):
        """Return a list of platform specific rpath flags.

        rpaths is the cannonical list of rpaths.
        """
        flags = []
        prefix = self.optional_string("RPATH")

        if prefix:
            for r in rpaths:
                flags.append(_quote(prefix + r))

        return flags

    def platform_lib(self, clib, framework=0):
        """Return a library name in platform specific form.

        clib is the library name in cannonical form.
        framework is set of the library is implemented as a MacOS framework.
        """
        if self.generator in ("MSVC", "MSVC.NET", "BMAKE"):
            plib = clib + ".lib"
        elif sys.platform == "darwin" and framework:
            plib = "-framework " + clib
        else:
            plib = "-l" + clib

        return plib

    def _dependent_libs(self, clib):
        """Return a list of additional libraries (in platform specific form)
        that must be linked with a library.

        clib is the library name in cannonical form.
        """
        prl_libs = []

        if self.generator in ("MSVC", "MSVC.NET", "BMAKE"):
            prl_name = os.path.join(self.config.qt_lib_dir, clib + ".prl")
        else:
            prl_name = os.path.join(self.config.qt_lib_dir, "lib" + clib + ".prl")

        if os.access(prl_name, os.F_OK):
            try:
                f = open(prl_name, "r")
            except IOError, detail:
                error("Unable to open \"%s\": %s" % (prl_name, detail))

            line = f.readline()
            while line:
                line = string.strip(line)
                if line and line[0] != "#":
                    eq = string.find(line, "=")
                    if eq > 0 and string.strip(line[:eq]) == "QMAKE_PRL_LIBS":
                        prl_libs = string.split(line[eq + 1:])
                        break

                line = f.readline()

            f.close()

        return prl_libs


    def parse_build_file(self, filename):
        """
        Parse a build file and return the corresponding dictionary.

        filename is the name of the build file.  If it is a dictionary instead
        then its contents are validated.
        """
        if type(filename) is types.DictType:
            bfname = "dictionary"
            dict = filename
        else:
            if self._dir:
                bfname = os.path.join(self._dir, filename)
            else:
                bfname = filename

            dict = {}

            try:
                f = open(bfname, "r")
            except IOError, detail:
                error("Unable to open \"%s\": %s" % (bfname, detail))

            line_nr = 1
            line = f.readline()

            while line:
                line = string.strip(line)

                if line and line[0] != "#":
                    eq = string.find(line, "=")

                    if eq <= 0:
                        error("\"%s\" line %d: Line must be in the form 'name = value value...'." % (bfname, line_nr))

                    dict[string.strip(line[:eq])] = string.strip(line[eq + 1:])

                line_nr = line_nr + 1
                line = f.readline()

            f.close()

        # Check the compulsory values.
        for i in ("target", "sources"):
            try:
                dict[i]
            except KeyError:
                error("\"%s\" is missing from \"%s\"." % (i, bfname))

        # Get the optional values.
        for i in ("headers", "moc_headers"):
            try:
                dict[i]
            except KeyError:
                dict[i] = ""