Intermediate changes

1 files changed, 0 insertions, 126 deletions

diff --git a/scripts/export_script_gen.py b/scripts/export_script_gen.py
deleted file mode 100644
index 6bf68fef7c2..00000000000
--- a/scripts/export_script_gen.py
+++ /dev/null
@@ -1,126 +0,0 @@
-import argparse
-import collections
-import sys
-
-
-def parse_export_file(src):
-    for line in src:
-        line = line.strip()
-
-        if line and '#' not in line:
-            words = line.split()
-            if len(words) == 2 and words[0] == 'linux_version':
-                yield {'linux_version': words[1]}
-            elif len(words) == 2:
-                yield {'lang': words[0], 'sym': words[1]}
-            elif len(words) == 1:
-                yield {'lang': 'C', 'sym': words[0]}
-            else:
-                raise Exception('unsupported exports line: "{}"'.format(line))
-
-
-def to_c(sym):
-    symbols = collections.deque(sym.split('::'))
-    c_prefixes = [  # demangle prefixes for c++ symbols
-        '_ZN',      # namespace
-        '_ZTIN',    # typeinfo for
-        '_ZTSN',    # typeinfo name for
-        '_ZTTN',    # VTT for
-        '_ZTVN',    # vtable for
-        '_ZNK',     # const methods
-    ]
-    c_sym = ''
-    while symbols:
-        s = symbols.popleft()
-        if s == '*':
-            c_sym += '*'
-            break
-        if '*' in s and len(s) > 1:
-            raise Exception('Unsupported format, cannot guess length of symbol: ' + s)
-        c_sym += str(len(s)) + s
-    if symbols:
-        raise Exception('Unsupported format: ' + sym)
-    if c_sym[-1] != '*':
-        c_sym += 'E*'
-    return ['{prefix}{sym}'.format(prefix=prefix, sym=c_sym) for prefix in c_prefixes]
-
-
-def to_gnu(src, dest):
-    d = collections.defaultdict(list)
-    version = None
-    for item in parse_export_file(src):
-        if item.get('linux_version'):
-            if not version:
-                version = item.get('linux_version')
-            else:
-                raise Exception('More than one linux_version defined')
-        elif item['lang'] == 'C++':
-            d['C'].extend(to_c(item['sym']))
-        else:
-            d[item['lang']].append(item['sym'])
-
-    if version:
-        dest.write('{} {{\nglobal:\n'.format(version))
-    else:
-        dest.write('{\nglobal:\n')
-
-    for k, v in d.items():
-        dest.write('    extern "' + k + '" {\n')
-
-        for x in v:
-            dest.write('        ' + x + ';\n')
-
-        dest.write('    };\n')
-
-    dest.write('local: *;\n};\n')
-
-
-def to_msvc(src, dest):
-    dest.write('EXPORTS\n')
-    for item in parse_export_file(src):
-        if item.get('linux_version'):
-            continue
-        if item.get('lang') == 'C':
-            dest.write('    {}\n'.format(item.get('sym')))
-
-
-def to_darwin(src, dest):
-    pre = ''
-    for item in parse_export_file(src):
-        if item.get('linux_version'):
-            continue
-
-        if item['lang'] == 'C':
-            dest.write(pre + '-Wl,-exported_symbol,_' + item['sym'])
-        elif item['lang'] == 'C++':
-            for sym in to_c(item['sym']):
-                dest.write(pre + '-Wl,-exported_symbol,_' + sym)
-        else:
-            raise Exception('unsupported lang: ' + item['lang'])
-        if pre == '':
-            pre = ' '
-
-
-def main():
-    parser = argparse.ArgumentParser(description='Convert self-invented platform independent export file format to the format required by specific linker')
-    parser.add_argument('src', type=argparse.FileType('r', encoding='UTF-8'), help='platform independent export file path')
-    parser.add_argument('dest', type=argparse.FileType('w', encoding='UTF-8'), help='destination export file for required linker')
-    parser.add_argument('--format', help='destination file type format: gnu, msvc or darwin')
-
-    args = parser.parse_args()
-    if args.format == 'gnu':
-        to_gnu(args.src, args.dest)
-    elif args.format == 'msvc':
-        to_msvc(args.src, args.dest)
-    elif args.format == 'darwin':
-        to_darwin(args.src, args.dest)
-    else:
-        print('Unknown destination file format: {}'.format(args.format), file=sys.stderr)
-        sys.exit(1)
-
-    args.src.close()
-    args.dest.close()
-
-
-if __name__ == '__main__':
-    main()