def _mult_expand(start, end, context):
start.connect(fork(
tn(MULT_ZERO_TO_ONE, 'mult-1'),
tn(MULT_ZERO_TO_MANY, 'mult-2'),
tn(MULT_ONE_TO_MANY, 'mult-3'),
)).connect(end)
def _enable_expand(start, end, context):
start\
.connect(tn(ENABLE))\
.connect(tn(FULL_BACKTRACKING))\
.connect(tn(SEMICOLON))\
.connect(end)
def _group_expand(start, end, context):
start\
.connect(tn(PAR_OPEN))\
.connect(_BranchRule('branch'))\
.connect(zeroToMany(sequence(tn(OR), _BranchRule('branch'))))\
.connect(tn(PAR_CLOSE))\
.connect(end)
def _rule_expand(start, end, context):
branch = _BranchRule('branch')
start\
.connect(zeroToOne(tn(GRAMMAR_ANNOTATION, 'is-grammar')))\
.connect(tn(RULE_ID, 'rule-id'))\
.connect(tn(ASSIGN))\
.connect(branch)\
.connect(zeroToMany(sequence(tn(OR), branch)))\
.connect(tn(SEMICOLON))\
.connect(end)
def expand(self, start, end, context):
end_ = connector()
start\
.connect(tn(self._token_type))\
.connect(tn(TOKEN_ID, "id"))\
.connect(end_)
if not self._token_type in [LITERAL, TEXT_BLOCK]:
end_ = end_.connect(tn(TOKEN_VALUE, "value"))
if self._token_type in [KEYWORD, WORD, PREFIX, POSTFIX, SEPARATOR]:
end_.connect(_PropsRule('properties')).connect(end)
end_.connect(tn(SEMICOLON)).connect(end)
def _comment_expand(start, end, context):
start\
.connect(tn(LINE_COMMENT_STYLE, 'line'))\
.connect(tn(COMMENT_VALUE, 'begin'))\
.connect(tn(SEMICOLON))\
.connect(end)
start\
.connect(tn(BLOCK_COMMENT_STYLE, 'block'))\
.connect(tn(COMMENT_VALUE, 'begin'))\
.connect(tn(COMMENT_VALUE, 'end'))\
.connect(tn(SEMICOLON))\
.connect(end)
def _branch_elem_expand(start, end, context):
token = sequence(zeroToOne(sequence(tn(ID, 'id'), tn(ASSIGN))),
tn(TOKEN_ID, 'token'),
zeroToOne(_MultRule('mult'))
)
keyword = sequence(zeroToOne(sequence(tn(ID, 'id'), tn(ASSIGN))),
tn(KEYWORD_NAME, 'keyword'),
zeroToOne(_MultRule('mult'))
)
rule = sequence(zeroToOne(sequence(tn(ID, 'id'), tn(ASSIGN))),
tn(RULE_ID, 'rule'),
zeroToOne(_MultRule('mult'))
)
group = sequence(zeroToOne(sequence(tn(ID, 'id'), tn(ASSIGN))),
_GroupRule('group'),
zeroToOne(_MultRule('mult'))
)
start.connect(fork(
token,
keyword,
rule,
group
)).connect(end)
def _props_expand(start, end, context):
tt = context[ENVVAR_TOKEN_TYPE]
start_ = connector()
end_ = connector()
hlp = connector()
prop_end = connector()
start\
.connect(tn(BRACE_OPEN))\
.connect(start_)
is_flag = True
if tt == KEYWORD:
start_.connect(tn(CASE_SENSITIVE, 'case-sensitive')).connect(hlp)
elif tt == WORD:
is_flag = False
start_\
.connect(tn(FILTER_CB, 'filter-callback'))\
.connect(tn(COLON))\
.connect(tn(ID, 'filter-callback-name'))\
.connect(prop_end)
elif tt == PREFIX:
start_.connect(tn(ESCAPE, 'escape')).connect(hlp)
elif tt == POSTFIX:
start_.connect(tn(ESCAPE, 'escape')).connect(hlp)
elif tt == SEPARATOR:
start_.connect(tn(IS_PATTERN, 'pattern')).connect(hlp)
start_.connect(tn(WS_ALLOWED, 'ws-allowed')).connect(hlp)
start_.connect(tn(ESCAPE, 'escape')).connect(hlp)
else:
raise Exception("Unknown property target")
if is_flag:
hlp\
.connect(tn(COLON))\
.connect(tn(TRUE, 'true'))\
.connect(prop_end)
hlp\
.connect(tn(COLON))\
.connect(tn(FALSE, 'false'))\
.connect(prop_end)
prop_end.connect(tn(COMMA)).connect(start_)
prop_end.connect(end_)
end_\
.connect(tn(BRACE_CLOSE))\
.connect(end)
