def __init__(self, code, filename='input',
make_file=(lambda filename, snippet_type, value, tag: None) ):
self.__code = code
self.__filename = filename
self.__tokens = Tokens(self.__code).tokenize()
self.__make_file = make_file
class Parser(object):
"""
Parser initializer is this:
Parser(
code, # parserable string
filename, # for error output
make_file # mkfile should be callable
)
mkfile has the process how to create snippet file with specific arguments
"""
def __init__(self, code, filename='input',
make_file=(lambda filename, snippet_type, value, tag: None) ):
self.__code = code
self.__filename = filename
self.__tokens = Tokens(self.__code).tokenize()
self.__make_file = make_file
# --- iterable ---
def __iter__(self):
return self.__tokens
def next(self):
return self.__tokens.next()
def seek(self):
return self.__tokens.seek()
# --- parse ---
# BNF:
# groups ::= Empty | group groups
# group ::= begin snips
# snips ::= Empty | snip snips
# snip ::= tag str | str
#
# tag ::= '!'
# str ::= .*
#
def parse(self):
self.groups()
return self
def groups(self):
while True:
next_token = self.__tokens.seek()
if next_token.typ == 'BEGIN':
self.group()
elif next_token.typ == 'EOF':
print('[Finished parsing %s]' % self.__filename)
break
else:
Error.print_error(Error.message(
self.__filename, next_token.line, next_token.column,
'not separator: %s' % next_token.value
))
break
def group(self):
token = self.__tokens.next()
snippet_types = {
'---constant---', '---class-method---', '---instance-method---',
'---private-method---', '---define-method---'
}
if token.value in snippet_types:
self.snips(token.value)
elif token.value == '---EOF---':
print('eof')
else:
Error.print_error(Error.message(
self.__filename, token.line, token.column, 'invalid separator: %s' % token.value
))
def snips(self, snippet_type):
while True:
next_token = self.__tokens.seek()
if next_token.typ == 'SNIPPET':
self.snip(snippet_type)
elif next_token.typ == 'TAG':
self.__tokens.next()
self.snip(snippet_type, 'TAG')
else:
break
def snip(self, snippet_type, tag=''):
token = self.__tokens.next()
if token.typ == 'SNIPPET':
print('snippet: (%s) %s %s' % (snippet_type, token.value, tag))
self.__make_file(
# filename=('%s.sublime-snippet' % (token.value)),
# snippet_type=snippet_type,
# value=token.value,
# tag=tag,
Snippet(token.value, snippet_type, token.value, tag)
)
else:
Error.print_error(Error.message(
self.__filename, token.line, token.column, 'not snippet: %s' % token.value
))
