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			355 lines
		
	
	
	
		
			14 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			355 lines
		
	
	
	
		
			14 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| """CCompiler implementation for the Borland C++ compiler."""
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| 
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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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| 
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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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| 
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| import os
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| 
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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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| 
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| 
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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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| 
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|     name = 'bcpp'
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|     description = 'Borland C++ Compiler'
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| 
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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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| 
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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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| 
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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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| 
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| 
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|     def __init__(self, verbose=0, dry_run=False, force=False):
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|         super(BCPPCompiler, self).__init__(verbose, dry_run, force)
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| 
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|     # -- Worker methods ------------------------------------------------
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|             output_opt = "-o" + obj
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| 
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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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| 
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|         return objects
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| 
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| 
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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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| 
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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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| 
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| 
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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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| 
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|         # XXX this ignores 'build_temp'!  should follow the lead of
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|         # msvccompiler.py
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| 
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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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| 
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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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| 
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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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| 
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|         if self._need_link(objects, output_filename):
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| 
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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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| 
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| 
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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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| 
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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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| 
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| 
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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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| 
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|             # list of object files
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|             ld_args.extend(objects)
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| 
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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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| 
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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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| 
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|         else:
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|             logger.debug("skipping %s (up-to-date)", output_filename)
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| 
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|     # -- Miscellaneous methods -----------------------------------------
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| 
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| 
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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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| 
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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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| 
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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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| 
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| 
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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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| 
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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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|                 raise CompileError(msg)
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