diff options
Diffstat (limited to 'contrib/fsm-to-dot.py')
| -rwxr-xr-x | contrib/fsm-to-dot.py | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/contrib/fsm-to-dot.py b/contrib/fsm-to-dot.py index 96f7e005..85e2806f 100755 --- a/contrib/fsm-to-dot.py +++ b/contrib/fsm-to-dot.py @@ -262,7 +262,7 @@ class Fsm: def __str__(fsm): return 'Fsm(%r,%r)' % (fsm.struct_name, fsm.from_file) - def parse_states(fsm, src): + def parse_states(fsm, src, c_file): state = None started = None @@ -274,6 +274,15 @@ class Fsm: for line in lines: state_name = state_starts(line) if state_name: + state = fsm.find_state_by_name(state_name) + if state is not None: + if c_file is fsm.from_file: + print('ERROR: fsm %r has multiple definitions of state %r' % (fsm, state_name)) + else: + print('ERROR: it appears two FSMs with identical name %r exist in %r and %r' + % (fsm.struct_name, fsm.from_file, c_file)) + state = None + continue state = State() fsm.states.append(state) started = None @@ -664,7 +673,7 @@ class CFile(): states_struct_name = m.group(1) for fsm in fsms: if states_struct_name == fsm.states_struct_name: - fsm.parse_states(c_file.extract_block('{', '}', m.start())) + fsm.parse_states(c_file.extract_block('{', '}', m.start()), c_file) def parse_functions(c_file): funcs = {} @@ -787,6 +796,14 @@ fsms = [] for c_file in c_files: fsms.extend(c_file.find_fsms()) +for fsm1 in fsms: + for fsm2 in fsms: + if fsm1 is fsm2: + continue + if fsm1.states_struct_name == fsm2.states_struct_name: + print('ERROR: two distinct FSMs share the same states-struct name: %r and %r both use %r' + % (fsm1, fsm2, fsm1.states_struct_name)) + for c_file in c_files: c_file.find_fsm_states(fsms) c_file.find_event_sources(fsms) |