mirror of https://github.com/python/cpython
357 lines
14 KiB
Python
357 lines
14 KiB
Python
"""CCompiler implementation for the Borland C++ compiler."""
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# This implementation by Lyle Johnson, based on the original msvccompiler.py
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# module and using the directions originally published by Gordon Williams.
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# XXX looks like there's a LOT of overlap between these two classes:
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# someone should sit down and factor out the common code as
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# WindowsCCompiler! --GPW
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import os
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from packaging.errors import (PackagingExecError, CompileError, LibError,
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LinkError, UnknownFileError)
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from packaging.compiler.ccompiler import CCompiler
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from packaging.compiler import gen_preprocess_options
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from packaging.file_util import write_file
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from packaging.dep_util import newer
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from packaging import logger
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class BCPPCompiler(CCompiler) :
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"""Concrete class that implements an interface to the Borland C/C++
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compiler, as defined by the CCompiler abstract class.
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"""
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name = 'bcpp'
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description = 'Borland C++ Compiler'
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# Just set this so CCompiler's constructor doesn't barf. We currently
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# don't use the 'set_executables()' bureaucracy provided by CCompiler,
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# as it really isn't necessary for this sort of single-compiler class.
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# Would be nice to have a consistent interface with UnixCCompiler,
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# though, so it's worth thinking about.
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executables = {}
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# Private class data (need to distinguish C from C++ source for compiler)
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_c_extensions = ['.c']
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_cpp_extensions = ['.cc', '.cpp', '.cxx']
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# Needed for the filename generation methods provided by the
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# base class, CCompiler.
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src_extensions = _c_extensions + _cpp_extensions
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obj_extension = '.obj'
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static_lib_extension = '.lib'
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shared_lib_extension = '.dll'
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static_lib_format = shared_lib_format = '%s%s'
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exe_extension = '.exe'
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def __init__(self, verbose=0, dry_run=False, force=False):
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CCompiler.__init__(self, verbose, dry_run, force)
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# These executables are assumed to all be in the path.
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# Borland doesn't seem to use any special registry settings to
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# indicate their installation locations.
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self.cc = "bcc32.exe"
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self.linker = "ilink32.exe"
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self.lib = "tlib.exe"
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self.preprocess_options = None
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self.compile_options = ['/tWM', '/O2', '/q', '/g0']
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self.compile_options_debug = ['/tWM', '/Od', '/q', '/g0']
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self.ldflags_shared = ['/Tpd', '/Gn', '/q', '/x']
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self.ldflags_shared_debug = ['/Tpd', '/Gn', '/q', '/x']
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self.ldflags_static = []
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self.ldflags_exe = ['/Gn', '/q', '/x']
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self.ldflags_exe_debug = ['/Gn', '/q', '/x','/r']
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# -- Worker methods ------------------------------------------------
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def compile(self, sources,
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output_dir=None, macros=None, include_dirs=None, debug=False,
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extra_preargs=None, extra_postargs=None, depends=None):
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macros, objects, extra_postargs, pp_opts, build = \
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self._setup_compile(output_dir, macros, include_dirs, sources,
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depends, extra_postargs)
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compile_opts = extra_preargs or []
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compile_opts.append('-c')
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if debug:
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compile_opts.extend(self.compile_options_debug)
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else:
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compile_opts.extend(self.compile_options)
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for obj in objects:
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try:
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src, ext = build[obj]
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except KeyError:
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continue
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# XXX why do the normpath here?
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src = os.path.normpath(src)
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obj = os.path.normpath(obj)
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# XXX _setup_compile() did a mkpath() too but before the normpath.
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# Is it possible to skip the normpath?
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self.mkpath(os.path.dirname(obj))
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if ext == '.res':
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# This is already a binary file -- skip it.
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continue # the 'for' loop
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if ext == '.rc':
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# This needs to be compiled to a .res file -- do it now.
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try:
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self.spawn(["brcc32", "-fo", obj, src])
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except PackagingExecError as msg:
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raise CompileError(msg)
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continue # the 'for' loop
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# The next two are both for the real compiler.
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if ext in self._c_extensions:
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input_opt = ""
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elif ext in self._cpp_extensions:
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input_opt = "-P"
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else:
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# Unknown file type -- no extra options. The compiler
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# will probably fail, but let it just in case this is a
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# file the compiler recognizes even if we don't.
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input_opt = ""
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output_opt = "-o" + obj
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# Compiler command line syntax is: "bcc32 [options] file(s)".
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# Note that the source file names must appear at the end of
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# the command line.
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try:
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self.spawn([self.cc] + compile_opts + pp_opts +
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[input_opt, output_opt] +
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extra_postargs + [src])
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except PackagingExecError as msg:
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raise CompileError(msg)
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return objects
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def create_static_lib(self, objects, output_libname, output_dir=None,
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debug=False, target_lang=None):
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objects, output_dir = self._fix_object_args(objects, output_dir)
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output_filename = \
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self.library_filename(output_libname, output_dir=output_dir)
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if self._need_link(objects, output_filename):
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lib_args = [output_filename, '/u'] + objects
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if debug:
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pass # XXX what goes here?
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try:
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self.spawn([self.lib] + lib_args)
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except PackagingExecError as msg:
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raise LibError(msg)
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else:
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logger.debug("skipping %s (up-to-date)", output_filename)
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def link(self, target_desc, objects, output_filename, output_dir=None,
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libraries=None, library_dirs=None, runtime_library_dirs=None,
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export_symbols=None, debug=False, extra_preargs=None,
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extra_postargs=None, build_temp=None, target_lang=None):
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# XXX this ignores 'build_temp'! should follow the lead of
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# msvccompiler.py
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objects, output_dir = self._fix_object_args(objects, output_dir)
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libraries, library_dirs, runtime_library_dirs = \
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self._fix_lib_args(libraries, library_dirs, runtime_library_dirs)
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if runtime_library_dirs:
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logger.warning("don't know what to do with "
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"'runtime_library_dirs': %r", runtime_library_dirs)
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if output_dir is not None:
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output_filename = os.path.join(output_dir, output_filename)
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if self._need_link(objects, output_filename):
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# Figure out linker args based on type of target.
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if target_desc == CCompiler.EXECUTABLE:
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startup_obj = 'c0w32'
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if debug:
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ld_args = self.ldflags_exe_debug[:]
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else:
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ld_args = self.ldflags_exe[:]
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else:
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startup_obj = 'c0d32'
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if debug:
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ld_args = self.ldflags_shared_debug[:]
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else:
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ld_args = self.ldflags_shared[:]
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# Create a temporary exports file for use by the linker
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if export_symbols is None:
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def_file = ''
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else:
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head, tail = os.path.split(output_filename)
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modname, ext = os.path.splitext(tail)
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temp_dir = os.path.dirname(objects[0]) # preserve tree structure
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def_file = os.path.join(temp_dir, '%s.def' % modname)
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contents = ['EXPORTS']
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for sym in (export_symbols or []):
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contents.append(' %s=_%s' % (sym, sym))
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self.execute(write_file, (def_file, contents),
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"writing %s" % def_file)
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# Borland C++ has problems with '/' in paths
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objects2 = [os.path.normpath(o) for o in objects]
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# split objects in .obj and .res files
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# Borland C++ needs them at different positions in the command line
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objects = [startup_obj]
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resources = []
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for file in objects2:
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base, ext = os.path.splitext(os.path.normcase(file))
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if ext == '.res':
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resources.append(file)
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else:
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objects.append(file)
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for l in library_dirs:
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ld_args.append("/L%s" % os.path.normpath(l))
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ld_args.append("/L.") # we sometimes use relative paths
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# list of object files
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ld_args.extend(objects)
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# XXX the command line syntax for Borland C++ is a bit wonky;
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# certain filenames are jammed together in one big string, but
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# comma-delimited. This doesn't mesh too well with the
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# Unix-centric attitude (with a DOS/Windows quoting hack) of
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# 'spawn()', so constructing the argument list is a bit
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# awkward. Note that doing the obvious thing and jamming all
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# the filenames and commas into one argument would be wrong,
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# because 'spawn()' would quote any filenames with spaces in
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# them. Arghghh!. Apparently it works fine as coded...
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# name of dll/exe file
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ld_args.extend((',',output_filename))
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# no map file and start libraries
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ld_args.append(',,')
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for lib in libraries:
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# see if we find it and if there is a bcpp specific lib
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# (xxx_bcpp.lib)
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libfile = self.find_library_file(library_dirs, lib, debug)
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if libfile is None:
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ld_args.append(lib)
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# probably a BCPP internal library -- don't warn
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else:
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# full name which prefers bcpp_xxx.lib over xxx.lib
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ld_args.append(libfile)
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# some default libraries
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ld_args.append('import32')
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ld_args.append('cw32mt')
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# def file for export symbols
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ld_args.extend((',',def_file))
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# add resource files
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ld_args.append(',')
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ld_args.extend(resources)
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if extra_preargs:
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ld_args[:0] = extra_preargs
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if extra_postargs:
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ld_args.extend(extra_postargs)
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self.mkpath(os.path.dirname(output_filename))
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try:
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self.spawn([self.linker] + ld_args)
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except PackagingExecError as msg:
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raise LinkError(msg)
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else:
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logger.debug("skipping %s (up-to-date)", output_filename)
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# -- Miscellaneous methods -----------------------------------------
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def find_library_file(self, dirs, lib, debug=False):
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# List of effective library names to try, in order of preference:
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# xxx_bcpp.lib is better than xxx.lib
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# and xxx_d.lib is better than xxx.lib if debug is set
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#
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# The "_bcpp" suffix is to handle a Python installation for people
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# with multiple compilers (primarily Packaging hackers, I suspect
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# ;-). The idea is they'd have one static library for each
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# compiler they care about, since (almost?) every Windows compiler
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# seems to have a different format for static libraries.
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if debug:
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dlib = (lib + "_d")
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try_names = (dlib + "_bcpp", lib + "_bcpp", dlib, lib)
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else:
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try_names = (lib + "_bcpp", lib)
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for dir in dirs:
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for name in try_names:
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libfile = os.path.join(dir, self.library_filename(name))
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if os.path.exists(libfile):
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return libfile
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else:
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# Oops, didn't find it in *any* of 'dirs'
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return None
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# overwrite the one from CCompiler to support rc and res-files
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def object_filenames(self, source_filenames, strip_dir=False,
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output_dir=''):
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if output_dir is None:
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output_dir = ''
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obj_names = []
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for src_name in source_filenames:
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# use normcase to make sure '.rc' is really '.rc' and not '.RC'
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base, ext = os.path.splitext(os.path.normcase(src_name))
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if ext not in (self.src_extensions + ['.rc','.res']):
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raise UnknownFileError("unknown file type '%s' (from '%s')" % \
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(ext, src_name))
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if strip_dir:
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base = os.path.basename(base)
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if ext == '.res':
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# these can go unchanged
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obj_names.append(os.path.join(output_dir, base + ext))
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elif ext == '.rc':
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# these need to be compiled to .res-files
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obj_names.append(os.path.join(output_dir, base + '.res'))
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else:
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obj_names.append(os.path.join(output_dir,
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base + self.obj_extension))
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return obj_names
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def preprocess(self, source, output_file=None, macros=None,
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include_dirs=None, extra_preargs=None,
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extra_postargs=None):
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_, macros, include_dirs = \
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self._fix_compile_args(None, macros, include_dirs)
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pp_opts = gen_preprocess_options(macros, include_dirs)
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pp_args = ['cpp32.exe'] + pp_opts
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if output_file is not None:
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pp_args.append('-o' + output_file)
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if extra_preargs:
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pp_args[:0] = extra_preargs
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if extra_postargs:
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pp_args.extend(extra_postargs)
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pp_args.append(source)
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# We need to preprocess: either we're being forced to, or the
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# source file is newer than the target (or the target doesn't
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# exist).
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if self.force or output_file is None or newer(source, output_file):
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if output_file:
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self.mkpath(os.path.dirname(output_file))
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try:
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self.spawn(pp_args)
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except PackagingExecError as msg:
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print(msg)
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raise CompileError(msg)
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