diff options
Diffstat (limited to 'src/tools/vppapigen/vppapigen.py')
| -rwxr-xr-x | src/tools/vppapigen/vppapigen.py | 74 |
1 files changed, 51 insertions, 23 deletions
diff --git a/src/tools/vppapigen/vppapigen.py b/src/tools/vppapigen/vppapigen.py index b17ad6d15c9..28712e4d949 100755 --- a/src/tools/vppapigen/vppapigen.py +++ b/src/tools/vppapigen/vppapigen.py @@ -9,6 +9,7 @@ import logging import binascii import os import sys +from subprocess import Popen, PIPE log = logging.getLogger('vppapigen') @@ -275,14 +276,17 @@ class Define(): elif f == 'autoreply': self.autoreply = True + remove = [] for b in block: if isinstance(b, Option): if b[1] == 'singular' and b[2] == 'true': self.singular = True else: self.options[b.option] = b.value - block.remove(b) + remove.append(b) + block = [x for x in block if not x in remove] + self.block = block self.vla = vla_is_last_check(name, block) self.crc = str(block).encode() @@ -322,25 +326,20 @@ class Import(): return seen_imports[args[0]] - def __init__(self, filename): + def __init__(self, filename, revision): if self._initialized: return else: self.filename = filename # Deal with imports - parser = VPPAPI(filename=filename) + parser = VPPAPI(filename=filename, revision=revision) dirlist = dirlist_get() f = filename for dir in dirlist: f = os.path.join(dir, filename) if os.path.exists(f): break - if sys.version[0] == '2': - with open(f) as fd: - self.result = parser.parse_file(fd, None) - else: - with open(f, encoding='utf-8') as fd: - self.result = parser.parse_file(fd, None) + self.result = parser.parse_filename(f, None) self._initialized = True def __repr__(self): @@ -430,10 +429,11 @@ class ParseError(Exception): class VPPAPIParser(object): tokens = VPPAPILexer.tokens - def __init__(self, filename, logger): + def __init__(self, filename, logger, revision=None): self.filename = filename self.logger = logger self.fields = [] + self.revision = revision def _parse_error(self, msg, coord): raise ParseError("%s: %s" % (coord, msg)) @@ -478,7 +478,7 @@ class VPPAPIParser(object): def p_import(self, p): '''import : IMPORT STRING_LITERAL ';' ''' - p[0] = Import(p[2]) + p[0] = Import(p[2], revision=self.revision) def p_service(self, p): '''service : SERVICE '{' service_statements '}' ';' ''' @@ -731,23 +731,42 @@ class VPPAPIParser(object): class VPPAPI(object): - def __init__(self, debug=False, filename='', logger=None): + def __init__(self, debug=False, filename='', logger=None, revision=None): self.lexer = lex.lex(module=VPPAPILexer(filename), debug=debug) - self.parser = yacc.yacc(module=VPPAPIParser(filename, logger), + self.parser = yacc.yacc(module=VPPAPIParser(filename, logger, + revision=revision), write_tables=False, debug=debug) self.logger = logger + self.revision = revision + self.filename = filename def parse_string(self, code, debug=0, lineno=1): self.lexer.lineno = lineno return self.parser.parse(code, lexer=self.lexer, debug=debug) - def parse_file(self, fd, debug=0): + def parse_fd(self, fd, debug=0): data = fd.read() return self.parse_string(data, debug=debug) - def autoreply_block(self, name): + def parse_filename(self, filename, debug=0): + if self.revision: + git_show = f'git show {self.revision}:{filename}' + with Popen(git_show.split(), stdout=PIPE, encoding='utf-8') as git: + return self.parse_fd(git.stdout, None) + else: + try: + with open(filename, encoding='utf-8') as fd: + return self.parse_fd(fd, None) + except FileNotFoundError: + print(f'File not found: {filename}', file=sys.stderr) + sys.exit(2) + + def autoreply_block(self, name, parent): block = [Field('u32', 'context'), Field('i32', 'retval')] + # inherhit the parent's options + for k,v in parent.options.items(): + block.append(Option(k, v)) return Define(name + '_reply', [], block) def process(self, objs): @@ -767,7 +786,7 @@ class VPPAPI(object): if isinstance(o, Define): s[tname].append(o) if o.autoreply: - s[tname].append(self.autoreply_block(o.name)) + s[tname].append(self.autoreply_block(o.name, o)) elif isinstance(o, Option): s[tname][o.option] = o.value elif type(o) is list: @@ -925,9 +944,7 @@ def main(): cliparser.add_argument('--pluginpath', default=""), cliparser.add_argument('--includedir', action='append'), cliparser.add_argument('--outputdir', action='store'), - cliparser.add_argument('--input', - type=argparse.FileType('r', encoding='UTF-8'), - default=sys.stdin) + cliparser.add_argument('--input') cliparser.add_argument('--output', nargs='?', type=argparse.FileType('w', encoding='UTF-8'), default=sys.stdout) @@ -935,6 +952,8 @@ def main(): cliparser.add_argument('output_module', nargs='?', default='C') cliparser.add_argument('--debug', action='store_true') cliparser.add_argument('--show-name', nargs=1) + cliparser.add_argument('--git-revision', + help="Git revision to use for opening files") args = cliparser.parse_args() dirlist_add(args.includedir) @@ -944,8 +963,8 @@ def main(): # Filename if args.show_name: filename = args.show_name[0] - elif args.input != sys.stdin: - filename = args.input.name + elif args.input: + filename = args.input else: filename = '' @@ -954,8 +973,17 @@ def main(): else: logging.basicConfig() - parser = VPPAPI(debug=args.debug, filename=filename, logger=log) - parsed_objects = parser.parse_file(args.input, log) + parser = VPPAPI(debug=args.debug, filename=filename, logger=log, + revision=args.git_revision) + + try: + if not args.input: + parsed_objects = parser.parse_fd(sys.stdin, log) + else: + parsed_objects = parser.parse_filename(args.input, log) + except ParseError as e: + print('Parse error: ', e, file=sys.stderr) + sys.exit(1) # Build a list of objects. Hash of lists. result = [] |