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File Content: `bcppcompiler.py`

"""distutils.bcppcompiler

Contains BorlandCCompiler, an implementation of the abstract CCompiler class
for the Borland C++ compiler.
"""

# This implementation by Lyle Johnson, based on the original msvccompiler.py
# module and using the directions originally published by Gordon Williams.

# XXX looks like there's a LOT of overlap between these two classes:
# someone should sit down and factor out the common code as
# WindowsCCompiler!  --GPW


import os
from distutils.errors import \
     DistutilsExecError, DistutilsPlatformError, \
     CompileError, LibError, LinkError, UnknownFileError
from distutils.ccompiler import \
     CCompiler, gen_preprocess_options, gen_lib_options
from distutils.file_util import write_file
from distutils.dep_util import newer
from distutils import log

class BCPPCompiler(CCompiler) :
    """Concrete class that implements an interface to the Borland C/C++
    compiler, as defined by the CCompiler abstract class.
    """

    compiler_type = 'bcpp'

    # Just set this so CCompiler's constructor doesn't barf.  We currently
    # don't use the 'set_executables()' bureaucracy provided by CCompiler,
    # as it really isn't necessary for this sort of single-compiler class.
    # Would be nice to have a consistent interface with UnixCCompiler,
    # though, so it's worth thinking about.
    executables = {}

    # Private class data (need to distinguish C from C++ source for compiler)
    _c_extensions = ['.c']
    _cpp_extensions = ['.cc', '.cpp', '.cxx']

    # Needed for the filename generation methods provided by the
    # base class, CCompiler.
    src_extensions = _c_extensions + _cpp_extensions
    obj_extension = '.obj'
    static_lib_extension = '.lib'
    shared_lib_extension = '.dll'
    static_lib_format = shared_lib_format = '%s%s'
    exe_extension = '.exe'


    def __init__ (self,
                  verbose=0,
                  dry_run=0,
                  force=0):

        CCompiler.__init__ (self, verbose, dry_run, force)

        # These executables are assumed to all be in the path.
        # Borland doesn't seem to use any special registry settings to
        # indicate their installation locations.

        self.cc = "bcc32.exe"
        self.linker = "ilink32.exe"
        self.lib = "tlib.exe"

        self.preprocess_options = None
        self.compile_options = ['/tWM', '/O2', '/q', '/g0']
        self.compile_options_debug = ['/tWM', '/Od', '/q', '/g0']

        self.ldflags_shared = ['/Tpd', '/Gn', '/q', '/x']
        self.ldflags_shared_debug = ['/Tpd', '/Gn', '/q', '/x']
        self.ldflags_static = []
        self.ldflags_exe = ['/Gn', '/q', '/x']
        self.ldflags_exe_debug = ['/Gn', '/q', '/x','/r']


    # -- Worker methods ------------------------------------------------

    def compile(self, sources,
                output_dir=None, macros=None, include_dirs=None, debug=0,
                extra_preargs=None, extra_postargs=None, depends=None):

        macros, objects, extra_postargs, pp_opts, build = \
                self._setup_compile(output_dir, macros, include_dirs, sources,
                                    depends, extra_postargs)
        compile_opts = extra_preargs or []
        compile_opts.append ('-c')
        if debug:
            compile_opts.extend (self.compile_options_debug)
        else:
            compile_opts.extend (self.compile_options)

        for obj in objects:
            try:
                src, ext = build[obj]
            except KeyError:
                continue
            # XXX why do the normpath here?
            src = os.path.normpath(src)
            obj = os.path.normpath(obj)
            # XXX _setup_compile() did a mkpath() too but before the normpath.
            # Is it possible to skip the normpath?
            self.mkpath(os.path.dirname(obj))

            if ext == '.res':
                # This is already a binary file -- skip it.
                continue # the 'for' loop
            if ext == '.rc':
                # This needs to be compiled to a .res file -- do it now.
                try:
                    self.spawn (["brcc32", "-fo", obj, src])
                except DistutilsExecError as msg:
                    raise CompileError(msg)
                continue # the 'for' loop

            # The next two are both for the real compiler.
            if ext in self._c_extensions:
                input_opt = ""
            elif ext in self._cpp_extensions:
                input_opt = "-P"
            else:
                # Unknown file type -- no extra options.  The compiler
                # will probably fail, but let it just in case this is a
                # file the compiler recognizes even if we don't.
                input_opt = ""

            output_opt = "-o" + obj

            # Compiler command line syntax is: "bcc32 [options] file(s)".
            # Note that the source file names must appear at the end of
            # the command line.
            try:
                self.spawn ([self.cc] + compile_opts + pp_opts +
                            [input_opt, output_opt] +
                            extra_postargs + [src])
            except DistutilsExecError as msg:
                raise CompileError(msg)

        return objects

    # compile ()


    def create_static_lib (self,
                           objects,
                           output_libname,
                           output_dir=None,
                           debug=0,
                           target_lang=None):

        (objects, output_dir) = self._fix_object_args (objects, output_dir)
        output_filename = \
            self.library_filename (output_libname, output_dir=output_dir)

        if self._need_link (objects, output_filename):
            lib_args = [output_filename, '/u'] + objects
            if debug:
                pass                    # XXX what goes here?
            try:
                self.spawn ([self.lib] + lib_args)
            except DistutilsExecError as msg:
                raise LibError(msg)
        else:
            log.debug("skipping %s (up-to-date)", output_filename)

    # create_static_lib ()


    def link (self,
              target_desc,
              objects,
              output_filename,
              output_dir=None,
              libraries=None,
              library_dirs=None,
              runtime_library_dirs=None,
              export_symbols=None,
              debug=0,
              extra_preargs=None,
              extra_postargs=None,
              build_temp=None,
              target_lang=None):

        # XXX this ignores 'build_temp'!  should follow the lead of
        # msvccompiler.py

        (objects, output_dir) = self._fix_object_args (objects, output_dir)
        (libraries, library_dirs, runtime_library_dirs) = \
            self._fix_lib_args (libraries, library_dirs, runtime_library_dirs)

        if runtime_library_dirs:
            log.warn("I don't know what to do with 'runtime_library_dirs': %s",
                     str(runtime_library_dirs))

        if output_dir is not None:
            output_filename = os.path.join (output_dir, output_filename)

        if self._need_link (objects, output_filename):

            # Figure out linker args based on type of target.
            if target_desc == CCompiler.EXECUTABLE:
                startup_obj = 'c0w32'
                if debug:
                    ld_args = self.ldflags_exe_debug[:]
                else:
                    ld_args = self.ldflags_exe[:]
            else:
                startup_obj = 'c0d32'
                if debug:
                    ld_args = self.ldflags_shared_debug[:]
                else:
                    ld_args = self.ldflags_shared[:]


            # Create a temporary exports file for use by the linker
            if export_symbols is None:
                def_file = ''
            else:
                head, tail = os.path.split (output_filename)
                modname, ext = os.path.splitext (tail)
                temp_dir = os.path.dirname(objects[0]) # preserve tree structure
                def_file = os.path.join (temp_dir, '%s.def' % modname)
                contents = ['EXPORTS']
                for sym in (export_symbols or []):
                    contents.append('  %s=_%s' % (sym, sym))
                self.execute(write_file, (def_file, contents),
                             "writing %s" % def_file)

            # Borland C++ has problems with '/' in paths
            objects2 = map(os.path.normpath, objects)
            # split objects in .obj and .res files
            # Borland C++ needs them at different positions in the command line
            objects = [startup_obj]
            resources = []
            for file in objects2:
                (base, ext) = os.path.splitext(os.path.normcase(file))
                if ext == '.res':
                    resources.append(file)
                else:
                    objects.append(file)


            for l in library_dirs:
                ld_args.append("/L%s" % os.path.normpath(l))
            ld_args.append("/L.") # we sometimes use relative paths

            # list of object files
            ld_args.extend(objects)

            # XXX the command-line syntax for Borland C++ is a bit wonky;
            # certain filenames are jammed together in one big string, but
            # comma-delimited.  This doesn't mesh too well with the
            # Unix-centric attitude (with a DOS/Windows quoting hack) of
            # 'spawn()', so constructing the argument list is a bit
            # awkward.  Note that doing the obvious thing and jamming all
            # the filenames and commas into one argument would be wrong,
            # because 'spawn()' would quote any filenames with spaces in
            # them.  Arghghh!.  Apparently it works fine as coded...

            # name of dll/exe file
            ld_args.extend([',',output_filename])
            # no map file and start libraries
            ld_args.append(',,')

            for lib in libraries:
                # see if we find it and if there is a bcpp specific lib
                # (xxx_bcpp.lib)
                libfile = self.find_library_file(library_dirs, lib, debug)
                if libfile is None:
                    ld_args.append(lib)
                    # probably a BCPP internal library -- don't warn
                else:
                    # full name which prefers bcpp_xxx.lib over xxx.lib
                    ld_args.append(libfile)

            # some default libraries
            ld_args.append ('import32')
            ld_args.append ('cw32mt')

            # def file for export symbols
            ld_args.extend([',',def_file])
            # add resource files
            ld_args.append(',')
            ld_args.extend(resources)


            if extra_preargs:
                ld_args[:0] = extra_preargs
            if extra_postargs:
                ld_args.extend(extra_postargs)

            self.mkpath (os.path.dirname (output_filename))
            try:
                self.spawn ([self.linker] + ld_args)
            except DistutilsExecError as msg:
                raise LinkError(msg)

        else:
            log.debug("skipping %s (up-to-date)", output_filename)

    # link ()

    # -- Miscellaneous methods -----------------------------------------


    def find_library_file (self, dirs, lib, debug=0):
        # List of effective library names to try, in order of preference:
        # xxx_bcpp.lib is better than xxx.lib
        # and xxx_d.lib is better than xxx.lib if debug is set
        #
        # The "_bcpp" suffix is to handle a Python installation for people
        # with multiple compilers (primarily Distutils hackers, I suspect
        # ;-).  The idea is they'd have one static library for each
        # compiler they care about, since (almost?) every Windows compiler
        # seems to have a different format for static libraries.
        if debug:
            dlib = (lib + "_d")
            try_names = (dlib + "_bcpp", lib + "_bcpp", dlib, lib)
        else:
            try_names = (lib + "_bcpp", lib)

        for dir in dirs:
            for name in try_names:
                libfile = os.path.join(dir, self.library_filename(name))
                if os.path.exists(libfile):
                    return libfile
        else:
            # Oops, didn't find it in *any* of 'dirs'
            return None

    # overwrite the one from CCompiler to support rc and res-files
    def object_filenames (self,
                          source_filenames,
                          strip_dir=0,
                          output_dir=''):
        if output_dir is None: output_dir = ''
        obj_names = []
        for src_name in source_filenames:
            # use normcase to make sure '.rc' is really '.rc' and not '.RC'
            (base, ext) = os.path.splitext (os.path.normcase(src_name))
            if ext not in (self.src_extensions + ['.rc','.res']):
                raise UnknownFileError("unknown file type '%s' (from '%s')" % \
                      (ext, src_name))
            if strip_dir:
                base = os.path.basename (base)
            if ext == '.res':
                # these can go unchanged
                obj_names.append (os.path.join (output_dir, base + ext))
            elif ext == '.rc':
                # these need to be compiled to .res-files
                obj_names.append (os.path.join (output_dir, base + '.res'))
            else:
                obj_names.append (os.path.join (output_dir,
                                            base + self.obj_extension))
        return obj_names

    # object_filenames ()

    def preprocess (self,
                    source,
                    output_file=None,
                    macros=None,
                    include_dirs=None,
                    extra_preargs=None,
                    extra_postargs=None):

        (_, macros, include_dirs) = \
            self._fix_compile_args(None, macros, include_dirs)
        pp_opts = gen_preprocess_options(macros, include_dirs)
        pp_args = ['cpp32.exe'] + pp_opts
        if output_file is not None:
            pp_args.append('-o' + output_file)
        if extra_preargs:
            pp_args[:0] = extra_preargs
        if extra_postargs:
            pp_args.extend(extra_postargs)
        pp_args.append(source)

        # We need to preprocess: either we're being forced to, or the
        # source file is newer than the target (or the target doesn't
        # exist).
        if self.force or output_file is None or newer(source, output_file):
            if output_file:
                self.mkpath(os.path.dirname(output_file))
            try:
                self.spawn(pp_args)
            except DistutilsExecError as msg:
                print(msg)
                raise CompileError(msg)

    # preprocess()
Name	Size	Permission
__pycache__	---	0755
command	---	0755
README	295 bytes	0644
__init__.py	236 bytes	0644
_msvccompiler.py	21579 bytes	0644
archive_util.py	8518 bytes	0644
bcppcompiler.py	14935 bytes	0644
ccompiler.py	47415 bytes	0644
cmd.py	19129 bytes	0644
config.py	4880 bytes	0644
core.py	8876 bytes	0644
cygwinccompiler.py	16475 bytes	0644
debug.py	139 bytes	0644
dep_util.py	3491 bytes	0644
dir_util.py	7778 bytes	0644
dist.py	49690 bytes	0644
errors.py	3577 bytes	0644
extension.py	10515 bytes	0644
fancy_getopt.py	17784 bytes	0644
file_util.py	8148 bytes	0644
filelist.py	12832 bytes	0644
log.py	1969 bytes	0644
msvc9compiler.py	30612 bytes	0644
msvccompiler.py	23576 bytes	0644
spawn.py	7427 bytes	0644
sysconfig.py	20276 bytes	0644
text_file.py	12483 bytes	0644
unixccompiler.py	15016 bytes	0644
util.py	20789 bytes	0644
version.py	12345 bytes	0644
versionpredicate.py	5133 bytes	0644
File Content: bcppcompiler.py

File Content: `bcppcompiler.py`
