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[config.git] / djavu-asus / elpy / rpc-venv / lib / python3.11 / site-packages / setuptools / _distutils / 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
import warnings

from .errors import (
    DistutilsExecError,
    CompileError,
    LibError,
    LinkError,
    UnknownFileError,
)
from .ccompiler import CCompiler, gen_preprocess_options
from .file_util import write_file
from .dep_util import newer
from ._log import log


warnings.warn(
    "bcppcompiler is deprecated and slated to be removed "
    "in the future. Please discontinue use or file an issue "
    "with pypa/distutils describing your use case.",
    DeprecationWarning,
)


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):

        super().__init__(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(  # noqa: C901
        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(  # noqa: C901
        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.warning(
                "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('  {}=_{}'.format(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 ell in library_dirs:
                ld_args.append("/L%s" % os.path.normpath(ell))
            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 '{}' (from '{}')".format(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()