def detect(iCurrent, lObjects):
'''
context_reference ::=
context selected_name { , selected_name } ;
'''
if utils.object_value_is(lObjects, iCurrent, 'context'):
if not utils.find_in_range('is', iCurrent, ';', lObjects):
return classify(iCurrent, lObjects)
return iCurrent
def detect(iToken, lObjects):
'''
context_declaration ::=
context identifier is
context_clause
end [ context ] [ context_simple_name ] ;
'''
iCurrent = utils.find_next_token(iToken, lObjects)
if utils.object_value_is(lObjects, iCurrent, 'context'):
if utils.find_in_range('is', iCurrent, ';', lObjects):
return classify(iCurrent, lObjects)
return iToken
def detect(iToken, lObjects):
'''
interface_subprogram_declaration ::=
interface_subprogram_specification [ is interface_subprogram_default ]
'''
iCurrent = utils.find_next_token(iToken, lObjects)
iLast = iCurrent
iCurrent = interface_subprogram_specification.detect(iCurrent, lObjects)
if iLast != iCurrent:
iCurrent = utils.find_next_token(iToken, lObjects)
if utils.object_value_is(lObjects, iCurrent, 'is'):
return classify(iCurrent, lObjects)
return iToken
def detect(iToken, lObjects):
'''
[ label : ] [ postponed ] concurrent_conditional_signal_assignment
concurrent_conditional_signal_assignment ::=
target <= [ guarded ] [ delay_mechanism ] conditional_waveforms ;
conditional_waveforms ::=
waveform when condition
{ else waveform when condition }
[ else waveform ]
The key to detecting this is looking for an assignment <= followed by the keyword **when** before a semicolon.
'''
iCurrent = iToken
bAssignmentFound = False
while lObjects[iCurrent].get_value() != ';':
if utils.is_item(lObjects, iCurrent):
if bAssignmentFound:
if utils.object_value_is(lObjects, iCurrent, 'when'):
return True
else:
if utils.object_value_is(lObjects, iCurrent, 'when'):
return False
if utils.object_value_is(lObjects, iCurrent, 'with'):
return False
if utils.object_value_is(lObjects, iCurrent,
'<=') and not bAssignmentFound:
bAssignmentFound = True
iCurrent += 1
return False
def detect(iToken, lObjects):
'''
component_instantiation_statement ::=
instantiation_label :
instantiated_unit
[ generic_map_aspect ]
[ port_map_aspect ] ;
'''
iCurrent = utils.find_next_token(iToken, lObjects)
iCurrent = utils.increment_token_count(iCurrent)
iCurrent = utils.find_next_token(iCurrent, lObjects)
if not utils.object_value_is(lObjects, iCurrent, ':'):
return iToken
iCurrent = utils.increment_token_count(iCurrent)
if instantiated_unit.detect(iCurrent, lObjects):
return classify(iToken, lObjects)
return iToken
def detect(iToken, lObjects):
'''
package_declaration ::=
package identifier is
package_header
package_declarative_part
end [ package ] [ package_simple_name ] ;
'''
iCurrent = utils.find_next_token(iToken, lObjects)
if utils.object_value_is(lObjects, iCurrent, 'package'):
if not utils.find_in_next_n_tokens('body', 5, iCurrent, lObjects):
if not utils.find_in_next_n_tokens('new', 5, iCurrent, lObjects):
return classify(iToken, lObjects)
else:
return iToken
return iToken
def detect(iToken, lObjects):
'''
[ label : ] [ postponed ] concurrent_simple_signal_assignment
concurrent_simple_signal_assignment ::=
target <= [ guarded ] [ delay_mechanism ] waveform ;
The key to detecting this is looking for an assignment <= followed by a semicolon.
This will be the default if the other types are not found.
'''
iCurrent = iToken
while lObjects[iCurrent].get_value() != ';':
if utils.is_item(lObjects, iCurrent):
if utils.object_value_is(lObjects, iCurrent, 'when'):
return False
if lObjects[iCurrent].get_value() == '<=':
return True
iCurrent += 1
return False