def apply(self, element):
form = element.parent
next = element.next
if is_identifier(next) or is_literal(next):
new_form_element = form.wrap(element, next, Form)
elif is_token(next, Tokens.BEGIN_MACRO):
new_form_element = form.wrap(element, next.end, Form)
else:
raise ArrangementError(next.range.first_position, "Expected identifier, literal or begin-macro-token after '%s' identifier in position %s." %(element.value, element.range.first_position.nameless_str))
new_form = new_form_element.code
new_form.remove(element)
new_form.prepend(element)
return new_form_element.next
def apply(self, element):
form = element.parent
next = element.next
if is_identifier(next) or is_literal(next):
new_form_element = form.wrap(element, next, Form)
elif is_token(next, Tokens.BEGIN_MACRO):
new_form_element = form.wrap(element, next.end, Form)
else:
raise ArrangementError(
next.range.first_position,
"Expected identifier, literal or begin-macro-token after '%s' identifier in position %s."
% (element.value, element.range.first_position.nameless_str))
new_form = new_form_element.code
new_form.remove(element)
new_form.prepend(element)
return new_form_element.next
def apply(self, element):
form = element.parent
next = element.next # this is 'b'
prev = element.prev # this is 'a'
if is_identifier(next) or is_literal(next) or is_form(next):
new_form_element = form.wrap(prev, next, Form)
elif is_token(next, Tokens.BEGIN_MACRO):
# a . BEGIN_MACRO something END_MACRO dont want => (. a BEGIN_MACRO) something END_MACRO
# actually want
# a . BEGIN_MACRO something END_MACRO => (. a BEGIN_MACRO something END_MACRO)
new_form_element = form.wrap(prev, next.end, Form)
else:
raise ArrangementError(
element.range.position_after,
"Expected identifier, literal, form or begin-macro-token after '%s' in position %s."
%
(element.code.name, element.range.first_position.nameless_str))
new_form = new_form_element.code
# at this point new_form = ⦅a X b⦆
new_form.remove(element)
# at this point new_form = ⦅a b⦆
new_form.prepend(element)
# at this point new_form = ⦅X a b⦆
return new_form_element.next # return the next position to be read
def _is_identifier_or_literal_immediately_after(next, element):
return ((is_identifier(next) or is_literal(next)) and
is_not_none(next, ".code.range.first_position.index") and
element.code.range.position_after.index == next.code.range.first_position.index)
def _is_identifier_or_literal_immediately_after(next, element):
return ((is_identifier(next) or is_literal(next))
and is_not_none(next, ".code.range.first_position.index")
and element.code.range.position_after.index
== next.code.range.first_position.index)