def _automaton(ast, scene):
''' Render graphical elements of a process or procedure '''
top_level_symbols = []
# Render text areas (DCL declarations, etc.)
for text in ast.textAreas:
top_level_symbols.append(render(text, scene))
# Render procedures symbols
top_level_symbols.extend([
render(proc, scene) for proc in ast.inner_procedures
if not proc.external
])
# Render the start symbol
if ast.start:
top_level_symbols.append(render(ast.start, scene, ast.states))
# Render named start symbols in nested states
for each in ast.named_start:
top_level_symbols.append(render(each, scene, ast.states))
# Render floating labels
for label in ast.floating_labels:
top_level_symbols.append(render(label, scene, ast.states))
# Render floating states
nested_states = []
for state in ast.states:
# Create only floating states
try:
new_state = render(state,
scene=scene,
states=ast.states,
terminators=ast.parent.terminators)
if new_state.nested_scene:
if unicode(new_state).lower() in nested_states:
new_state.nested_scene = None
else:
nested_states.append(unicode(new_state).lower())
except TypeError:
# Discard terminators (see _state function for explanation)
pass
else:
top_level_symbols.append(new_state)
# If the source .pr contained FPAR outside a textbox, create one
if ast.parent.fpar and not any(x.fpar for x in ast.textAreas):
text_area = ogAST.TextArea()
fpars = ('{} {}'.format(fp['name'],
type_name(fp['type']).replace('-', '_'))
for fp in ast.parent.fpar)
text_area.inputString = ("-- Formal parameters\n"
"fpar {};".format(
',\n '.join(fpars)))
text_area.pos_x = scene.itemsBoundingRect().x() - 200
text_area.pos_y = scene.itemsBoundingRect().y()
top_level_symbols.append(render(text_area, scene))
return top_level_symbols
def _automaton(ast, scene):
''' Render graphical elements of a process or procedure '''
top_level_symbols = []
# Render text areas (DCL declarations, etc.)
for text in ast.textAreas:
top_level_symbols.append(render(text, scene))
# Render procedures symbols
top_level_symbols.extend(
[render(proc, scene)
for proc in ast.inner_procedures
if not proc.external])
# Render the start symbol
if ast.start:
top_level_symbols.append(render(ast.start, scene, ast.states))
# Render named start symbols in nested states
for each in ast.named_start:
top_level_symbols.append(render(each, scene, ast.states))
# Render floating labels
for label in ast.floating_labels:
top_level_symbols.append(render(label, scene, ast.states))
# Render floating states
nested_states = []
for state in ast.states:
# Create only floating states
try:
new_state = render(state, scene=scene, states=ast.states,
terminators=ast.parent.terminators)
if new_state.nested_scene:
if unicode(new_state).lower() in nested_states:
new_state.nested_scene = None
else:
nested_states.append(unicode(new_state).lower())
except TypeError:
# Discard terminators (see _state function for explanation)
pass
else:
top_level_symbols.append(new_state)
# If the source .pr contained FPAR outside a textbox, create one
if ast.parent.fpar and not any(x.fpar for x in ast.textAreas):
text_area = ogAST.TextArea()
fpars = ('{} {}'.format(fp['name'],
type_name(fp['type']).replace('-', '_'))
for fp in ast.parent.fpar)
text_area.inputString = ("-- Formal parameters\n"
"fpar {};".format(',\n '.join(fpars)))
text_area.pos_x = scene.itemsBoundingRect().x() - 200
text_area.pos_y = scene.itemsBoundingRect().y()
top_level_symbols.append(render(text_area, scene))
return top_level_symbols
def variables_autocompletion(symbol, type_filter=None):
''' Intelligent autocompletion for variables - including struct fields
Optional: only variables of a type listed in type_filter are kept
'''
res = set()
if not symbol.text:
return res
parts = symbol.text.context.split('!')
if len(parts) == 0:
return res
elif len(parts) == 1:
try:
fpar = {fp['name']: (fp['type'], None) for fp in CONTEXT.fpar}
except AttributeError:
# not in the context of a procedure
fpar = {}
# Return the list of variables, possibly filterd by type
if not type_filter:
res = set(CONTEXT.variables.keys()
+ CONTEXT.global_variables.keys()
+ AST.asn1_constants.keys()
+ fpar.keys())
else:
constants = {name: (cty.type, None)
for name, cty in AST.asn1_constants.viewitems()}
try:
type_filter_names = [ogParser.type_name(ty)
for ty in type_filter]
except AttributeError as err:
# This would need to be investigated: it can happen when
# using a parameter in an input just after the parameter was
# added to the signal in the block view, and before any
# variable has been declared....
LOG.debug(str(err))
return res
for name, (asn1type, _) in chain(CONTEXT.variables.viewitems(),
CONTEXT.global_variables.viewitems(),
constants.viewitems(),
fpar.viewitems()):
if ogParser.type_name(asn1type) in type_filter_names:
res.add(name)
else:
var = parts[0].lower()
try:
var_t = ogParser.find_variable_type(var, CONTEXT)
basic = ogParser.find_basic_type(var_t, AST.dataview)
res = (field.replace('-', '_') for field in basic.Children.keys())
except (AttributeError, TypeError):
res = []
else:
for each in parts[1:-1]:
try:
for child, childtype in basic.Children.viewitems():
if child.lower() == each.lower().replace('_', '-'):
basic = ogParser.find_basic_type(childtype.type,
AST.dataview)
break
else:
res = ()
break
except (AttributeError, TypeError):
res = ()
break
else:
try:
res = (field.replace('-', '_')
for field in basic.Children.keys())
except AttributeError:
res = ()
return res
