diff options
Diffstat (limited to 'emcc')
| -rwxr-xr-x | emcc | 25 |
1 files changed, 23 insertions, 2 deletions
@@ -289,6 +289,9 @@ Options that are modified or new in %s include: The main file resides in the base directory and has the suffix ".js". + --bind Compiles the source code using the "embind" + bindings approach, which connects C/C++ and JS. + --ignore-dynamic-linking Normally emcc will treat dynamic linking like static linking, by linking in the code from the dynamic library. This fails if the same @@ -413,6 +416,8 @@ STATICLIB_SUFFIXES = ('.a',) ASSEMBLY_SUFFIXES = ('.ll',) LIB_PREFIXES = ('', 'lib') +JS_CONTAINING_SUFFIXES = ('js', 'html') + seen_names = {} def uniquename(name): if name not in seen_names: @@ -500,6 +505,7 @@ try: shell_path = shared.path_from_root('src', 'shell.html') js_libraries = [] remove_duplicates = False + bind = False def check_bad_eq(arg): assert '=' not in arg, 'Invalid parameter (do not use "=" with "--" options)' @@ -558,6 +564,9 @@ try: split_js_file = int(newargs[i+1]) newargs[i] = '' newargs[i+1] = '' + elif newargs[i] == '--bind': + bind = True + newargs[i] = '-std=c++11' # Force C++11 for embind code elif newargs[i].startswith('--embed-file'): check_bad_eq(newargs[i]) embed_files.append(newargs[i+1]) @@ -730,6 +739,10 @@ try: assert not (Compression.on and final_suffix != 'html'), 'Compression only works when generating HTML' + # If we are using embind and generating JS, now is the time to link in bind.cpp + if bind and final_suffix in JS_CONTAINING_SUFFIXES: + input_files.append(shared.path_from_root('system', 'lib', 'embind', 'bind.cpp')) + # Apply optimization level settings shared.Settings.apply_opt_level(opt_level, noisy=True) @@ -779,7 +792,7 @@ try: if not LEAVE_INPUTS_RAW: assert len(temp_files) == len(input_files) # If we were just asked to generate bitcode, stop there - if final_suffix not in ['js', 'html']: + if final_suffix not in JS_CONTAINING_SUFFIXES: if llvm_opts > 0: print >> sys.stderr, 'emcc: warning: -Ox flags ignored, since not generating JavaScript' if not specified_target: @@ -957,7 +970,7 @@ try: if Compression.on: file_args += ['--compress', Compression.encoder, Compression.decoder, Compression.js_name] code = execute(shared.ENV_PREFIX + ['python', shared.FILE_PACKAGER, unsuffixed(target) + '.data'] + file_args, stdout=PIPE)[0] - src = open(final).read().replace('// {{PRE_RUN_ADDITIONS}}', code) + src = open(final).read().replace('// {{PRE_RUN_ADDITIONS}}', '// {{PRE_RUN_ADDITIONS}}\n' + code) final += '.files.js' open(final, 'w').write(src) if DEBUG: save_intermediate('files') @@ -970,6 +983,14 @@ try: open(final, 'w').write(pre_js + src + post_js) if DEBUG: save_intermediate('pre-post') + # Add bindings glue if used + if bind: + if DEBUG: print >> sys.stderr, 'emcc: adding embind glue' + src = open(final).read().replace('// {{PRE_RUN_ADDITIONS}}', '// {{PRE_RUN_ADDITIONS}}\n' + open(shared.path_from_root('src', 'embind', 'embind.js')).read()) + final += '.bd.js' + open(final, 'w').write(src) + if DEBUG: save_intermediate('bind') + # Apply a source code transformation, if requested if js_transform: shutil.copyfile(final, final + '.tr.js') |