print(div)
return items
def input_queries(prompt):
s = input(prompt)
if not s.strip():
return []
while not s.rstrip().endswith(';'):
s += '\n' + input()
return [x + ';' for x in s.split(';')[:-1]]
if __name__ == "__main__":
prompt = "DB_example> "
with open('grammar.lark') as file:
parser = lark.Lark(file.read(), start="command", lexer='standard')
transformer = Transformer()
while True:
for query in input_queries(prompt):
try:
tree = parser.parse(query)
transformer.clean()
msg = transformer.transform(tree)[0]
except Exception as e:
if isinstance(e, lark.exceptions.UnexpectedInput):
print(prompt + "Syntax error")
break
def main() -> None:
with open('./expr.lark') as file:
parser = lark.Lark(file.read(), start='expr')
tree = parser.parse(sys.argv[1])
print(tree)
| "false"
| "{}"
| NUMBER
| SIGNED_NUMBER
| HEXNUMBER
| ESCAPED_STRING
%import common.CNAME -> CNAME
%import common.NUMBER -> NUMBER
%import common.SIGNED_NUMBER -> SIGNED_NUMBER
%import common.ESCAPED_STRING -> ESCAPED_STRING
%import common.WS
%ignore WS
"""
_PARSER = lark.Lark(_GRAMMAR, parser='lalr', propagate_positions=True)
_XPARSER = lark.Lark(_GRAMMAR,
parser='lalr',
propagate_positions=True,
keep_all_tokens=True)
# _FN_WHITELIST & _FN_BLACKLIST takes either name or mapsig.
_FN_BLACKLIST = set([])
_FN_WHITELIST = set([
'copy_(Tensor, Tensor, bool) -> Tensor',
'einsum',
'resize_',
])
# Don't touch the case of the transforms - that gets passed to SQL
# as-is.
return {"transform": str(items[0])[1:-1]}
def aggregation(self, items):
return {"agg": str(items[0]).upper()}
def sort(self, items):
return {"sort": str(items[0]).upper()}
def color_scale(self, items):
return {"color_scale": str(items[0][1:-1])}
debug_parser = lark.Lark(
pkg_resources.resource_string("resources", "svl.lark").decode("utf-8")
)
parser = lark.Lark(
pkg_resources.resource_string("resources", "svl.lark").decode("utf-8"),
parser="lalr",
transformer=SVLTransformer(),
)
def parse_svl(svl_string, debug=False, **kwargs):
if debug:
return debug_parser.parse(svl_string)
else:
return eval(st)
def array(self, children):
return children
def object(self, children):
return dict(children)
def member(self, children):
return tuple(children)
def start(self, children):
return children[0]
parser = lark.Lark(grammar)
def loads(text: str) -> object:
"""
Carrega um documento JSON e retorna o valor Python correspondente.
"""
tree = parser.parse(text)
transformer = JSONTransformer()
tree = transformer.transform(tree)
if hasattr(tree, "pretty"):
return tree.pretty()
return tree
# Exemplos
for con in context[len(before) + len(words):]:
after += [con]
# for con in context:
# if not (con in (before+output+after)):
# logging.error("AUFSCHREI! " + con["word"] + " | " + " ".join([c["word"] for c in context]))
logging.debug("before", " ".join([x["word"] for x in before]))
logging.debug("output", " ".join([x["word"] for x in output]))
logging.debug("after", " ".join([x["word"] for x in after]))
logging.debug("\n")
# res.append({"result": " ".join([linked_word(x) for x in output])})
res.append({"l_context": before, "keywords": output, "r_context": after})
logging.info("done")
return jsonify({'sparql': html.escape(sparql), 'results': res, "last_page": lst, "first_page": fst, "page": page})
if __name__ == '__main__':
with open(os.path.join(os.path.dirname(os.path.abspath(__file__)), config['grammar'])) as inp_file:
parser = lark.Lark(inp_file, debug=True)
logging.info('loaded')
logging.debug(parser)
conn = SPARQLWrapper(urllib.parse.urljoin(config['sparql']['host'], config['sparql']['endpoint']))
app.run(debug=True, host=config['api']['host'], port=config['api']['port'])
return s_ast.SwitchCase(newkids)
def casevalu(self, kids):
assert len(kids) == 1
kid = kids[0]
if kid.type == 'DOUBLEQUOTEDSTRING':
return self._convert_child(kid)
return s_ast.Const(kid.value[:-1]) # drop the trailing ':'
with s_datfile.openDatFile('synapse.lib/storm.lark') as larkf:
_grammar = larkf.read().decode()
QueryParser = lark.Lark(_grammar, start='query', propagate_positions=True)
CmdrParser = lark.Lark(_grammar,
start='query',
propagate_positions=True,
keep_all_tokens=True)
StormCmdParser = lark.Lark(_grammar,
start='stormcmdargs',
propagate_positions=True)
_eofre = regex.compile(r'''Terminal\('(\w+)'\)''')
class Parser:
'''
Storm query parser
'''
import lark
import re
from copy import deepcopy
from functools import reduce, partial
from etl.common.utils import remove_none, resolve_path, as_list, flatten, distinct, is_list_like, \
remove_empty
field_template_string_parser = lark.Lark('''
WS: /[ ]/+
LCASE_LETTER: "a".."z"
UCASE_LETTER: "A".."Z"
FIELD: (UCASE_LETTER | LCASE_LETTER)+
field_path: ("." FIELD?)+
object_path: field_path WS* "=>" WS*
value_path: field_path (WS* "+" WS* field_path)*
start: "{" WS* object_path* WS* value_path WS* "}"
''')
def get_field_path(tree):
return resolve_path(tree, ['field_path', 'FIELD'])
def tree_to_dict(tree):
if isinstance(tree, lark.tree.Tree):
raise Exception('failed to transform lark tree')
def transform(lark_object):
if isinstance(lark_object, lark.lexer.Token):
return transform_lark_token(lark_object)
elif isinstance(lark_object, lark.tree.Tree):
return transform_lark_tree(lark_object)
raise Exception('Something went wrong transforming!')
GRAMMAR = open('lambda_grammar.lark').read()
LISP_PARSER = lark.Lark(
GRAMMAR,
parser='lalr',
lexer='standard',
lexer_callbacks={},
# transformer=LispTransformer(),
# increase speed:
propagate_positions=False,
maybe_placeholders=False)
ast = LISP_PARSER.parse('(a b c)')
s = transform(ast)
print(s)
WHOLE_WORD = False # only effective when USE_REGEX is True
UNDER_THE_CURSOR = True
CLEAR_ON_ESCAPE = False
FILE_SIZE_LIMIT = 4194304
SETTINGS = {}
KEYWORD_MAP = []
# Debugger settings: 0 - disabled, 127 - enabled
log = getLogger( 1, __name__ )
_parser = lark.Lark( r"""
start: SEARCH* | WORDS* | SEARCH+ WORDS+
WORDS: /[^\/].*/
SEARCH: / *(?<!\\)\/[^\/]+(?<!\\)\/ */
SPACES: /[\t \f]+/
%ignore SPACES
""", start='start', parser='lalr', lexer='contextual' )
g_view_selections = {}
g_regionkey = "HighlightWords"
class Data(object):
def __init__(self, view):
self.view = view
self.added_regions = []
self.added_regions_set = []
self.last_caret_begin = 0
import lark
import pkg_resources
# todo: signed numbers
# todo: string quoted members
# todo: last - number (ibm)
# todo: $."$varname" uses the variable name as lookup key
# todo: json string Unicode escapes
# todo: match json string semantics (\n and other escapes)
# todo: arithmetic expressions
# todo: case insensitive keywords? (allowed at all?)
# todo: list subscripts can be expressions
# todo: a lot more :)
grammar = pkg_resources.resource_string(__package__, "sql_json.lark").decode()
parser = lark.Lark(grammar, parser="lalr", start="query", debug=True)
class QueryError(Exception):
pass
def compile(input):
print(input)
try:
tree = parser.parse(input)
except lark.UnexpectedInput as exc:
raise QueryError(f"invalid query: {exc}") from exc
print(tree.pretty())
try:
transformed = Transformer().transform(tree)
def ParseGN(contents):
parser = lark.Lark(GN_GRAMMAR, parser='lalr', start='file')
return parser.parse(contents)
@lark.v_args(inline=True)
class Calc(lark.Transformer):
from operator import add, mul
number = int
start = staticmethod(lambda *a: sum(a))
# Part 1
print(
lark.Lark(r"""
start: (expr "\n")* expr "\n"?
?atom: /\d+/ -> number
| "(" expr ")"
?expr: atom
| expr " + " atom -> add
| expr " * " atom -> mul
""",
parser="lalr",
transformer=Calc()).parse(text))
# Part 2
print(
lark.Lark(r"""
start: (expr "\n")* expr "\n"?
?atom: /\d+/ -> number
| "(" expr ")"
?exp1: atom
| exp1 " + " atom -> add
?expr: exp1
| expr " * " exp1 -> mul
| NUMBER
| SIGNED_NUMBER
| HEXNUMBER
| ESCAPED_STRING
| CNAME
%import common.CNAME -> CNAME
%import common.NUMBER -> NUMBER
%import common.SIGNED_NUMBER -> SIGNED_NUMBER
%import common.ESCAPED_STRING -> ESCAPED_STRING
%import common.WS
%ignore WS
"""
_CPP_SIG_PARSER = lark.Lark(_CPP_SIG_GRAMMAR,
parser='lalr',
propagate_positions=True)
class CPPSig(SigParser):
def __init__(self, cpp_sig):
super(CPPSig, self).__init__(cpp_sig, _CPP_SIG_PARSER)
self._def_name = self.__get_function_name(self._sig_tree)
def __param_name(self, t):
assert isinstance(t, lark.tree.Tree)
c = t.children[1]
assert isinstance(c, lark.tree.Tree)
assert c.data == 'param_name'
token = c.children[0]
def __init__(self):
self._parser = lark.Lark(GRAMMAR, start="simple_select")
self._transformer = TreeToSqlAlchemy()
return ('asm', _[0])
_('auto: "auto" lvar ("," lvar)* ";"')
def auto(self, _):
return ('auto', _)
_('lvar: NAME [constant]')
def lvar(self, _):
return (_[0].value, _[1] if len(_) == 2 else 0)
parser = lark.Lark(_.grammar,
parser='lalr',
lexer='standard',
propagate_positions=False,
maybe_placeholders=False,
transformer=Transformer())
class Codegen:
def __init__(self, ast, opt):
# Optimization level.
self.opt_level = opt
# Output list of lines.
# First line is empty and is getting removed by
# `get_output`. We need it when some function
# checks last line, but there are no already
# emitted lines.
self.output = ['']
def parse_bril(txt):
parser = lark.Lark(GRAMMAR)
tree = parser.parse(txt)
data = JSONTransformer().transform(tree)
return json.dumps(data, indent=2, sort_keys=True)
right = lamparse(">")
inp = lamparse(",")
out = lamparse(".")
plbrace = lamparse("[")
prbrace = lamparse("]")
def loop(self, items):
return "".join(items)
def lbrace(self, parameter_list):
global indent
s = self.plbrace("[")
indent += 1
return s
def rbrace(self, parameter_list):
global indent
indent -= 1
return self.prbrace("]")
_parser = lark.Lark(_grammar,
start='prog',
parser="lalr",
transformer=BFTransform())
tree = _parser.parse(inputdata)
partition_size: "SIZE"i DISK_SIZE DISK_UNITS
partition_mount: "MOUNT"i PATH
partition_format: "FORMAT"i PART_FORMAT
partition_flags: "FLAGS"i PART_FLAG ("," PART_FLAG)*
PART_FLAG: "BOOT"i | "EFI"i | "BIOS_GRUB"i
PART_FORMAT: /[^ \t\n\\]/i+
COMMENT: /#[^\n]*/
%import common.NEWLINE -> _NEWLINE
%import common.WS_INLINE
%ignore WS_INLINE
%ignore COMMENT
%ignore /\\[\t \f]*\r?\n/ // LINE_CONT
"""
IMAGEFILE_PARSER = lark.Lark(IMAGEFILE_GRAMMAR, parser="lalr").parse
class GuestChrootCommand(editor.GuestCommand):
def __init__(
self,
cmd: str,
ssh_config: ssh.SshConfig,
connect_timeout: int,
run_timeout: Optional[int] = None,
stdin: utils.FILE_TYPE = subprocess.DEVNULL,
capture_stdout: bool = False,
capture_stderr: bool = False,
):
escaped_command = cmd.replace("'", "'\\''")
chroot_command = (
#!/usr/bin/python
import easy
import lark
with open("grammar.txt") as f:
grammar_text = f.read()
# Strip comments from the grammar.
grammar_text = "\n".join(
line for line in grammar_text.split("\n")
if not line.strip().startswith("//")
)
term_parser = lark.Lark(grammar_text, start="term")
# FIXME: Is there some way to reuse with the above grammar?
vernac_parser = lark.Lark(grammar_text, start="vernacular")
def unpack_typed_params(ctx, typed_params):
"""unpack_typed_params(typed_params) -> [(var1, ty1), ...]"""
results = []
for child in typed_params.children:
if child.data == "untyped_param":
var_name, = child.children
results.append((easy.Var(str(var_name)), easy.Hole()))
elif child.data == "param_group":
ty = unpack_term_ast(ctx, child.children[-1])
for var_name in child.children[:-1]:
results.append((easy.Var(str(var_name)), ty))
else:
assert False
return results
import operator
import random
import re
import sys
from functools import reduce
parser = lark.Lark('''
start : _exprs
_exprs : _e* _e
_e : ATOM
| _num
| BOOL
| list
TRUE : "#t"
FALSE : "#f"
BOOL : TRUE | FALSE
list : "(" _exprs? ")"
INT : /[-+]?[0-9]+/
ATOM : /[a-zA-Z]+[a-zA-Z0-9\-\?]*/
| /[\*\/\=\>\<]/
| /[\-\+](?![0-9])/
FLOAT : /[-+]?[0-9]+\.[0-9]*/
_num : INT | FLOAT
%import common.WS
%ignore WS
''')
def atom(x):
return 'atom', x
#!/usr/bin/env python3
import sys
import lark
lark_src = None
with open('struct.lark', 'r') as f:
lark_src = f.read()
struct_parser = lark.Lark(lark_src, start='entry')
source = None
with open(sys.argv[1], 'r') as f:
source = f.read()
ast = struct_parser.parse(source)
# print(ast)
# print(ast.pretty())
class StructToIR(lark.Transformer):
def declaration(self, e):
return {'type': e[0], 'name': e[1]}
def var_type(self, v):
return v[0]
def identifier(self, s):
return str(s[0])
def struct(self, s):
def __init__(self):
self._grammar_parser = lark.Lark(self.RETRIEVER_GRAMMAR,
start='generate_retrieve_func')
def parse_nnf(nnf_file):
# parse input file
parser = lark.Lark(r'''
identifier : CNAME
inputsize : "inputsize" "=" INT ";"
assign : identifier "=" value ";"
layer : "layer" "[" assign * "]"
atom_net : "atom_net" WORD "$" layer * "$"
start: inputsize atom_net
nans: "-"?"nan"
value : SIGNED_INT
| SIGNED_FLOAT
| nans
| "FILE" ":" FILENAME "[" INT "]"
FILENAME : ("_"|"-"|"."|LETTER|DIGIT)+
%import common.SIGNED_NUMBER
%import common.LETTER
%import common.WORD
%import common.DIGIT
%import common.INT
%import common.SIGNED_INT
%import common.SIGNED_FLOAT
%import common.CNAME
%import common.WS
%ignore WS
''')
tree = parser.parse(nnf_file)
# execute parse tree
class TreeExec(lark.Transformer):
def identifier(self, v):
v = v[0].value
return v
def value(self, v):
if len(v) == 1:
v = v[0]
if isinstance(v, lark.tree.Tree):
assert v.data == 'nans'
return math.nan
assert isinstance(v, lark.lexer.Token)
if v.type == 'FILENAME':
v = v.value
elif v.type == 'SIGNED_INT' or v.type == 'INT':
v = int(v.value)
elif v.type == 'SIGNED_FLOAT' or v.type == 'FLOAT':
v = float(v.value)
else:
raise ValueError('unexpected type')
elif len(v) == 2:
v = self.value([v[0]]), self.value([v[1]])
else:
raise ValueError('length of value can only be 1 or 2')
return v
def assign(self, v):
name = v[0]
value = v[1]
return name, value
def layer(self, v):
return dict(v)
def atom_net(self, v):
layers = v[1:]
return layers
def start(self, v):
return v[1]
layer_setups = TreeExec().transform(tree)
return layer_setups
import lark
import re
import common
lines = common.read_file('2020/19/data.txt').splitlines()
divider = lines.index('')
rules_str = lines[:divider]
tickets = lines[divider + 1:]
grammar = ''
for line in rules_str:
new_line = re.sub(r'(\d+)', r'rule\1', line)
grammar += new_line + '\n'
# part 1
lrk = lark.Lark(grammar, start='rule0')
acc = 0
for t in tickets:
try:
lrk.parse(t)
acc += 1
except:
pass
print(acc)
# part 2
grammar = re.sub(r'rule8:.*\n', 'rule8: rule42 | rule42 rule8\n', grammar)
grammar = re.sub(r'rule11:.*\n',
'rule11: rule42 rule31 | rule42 rule11 rule31\n', grammar)
lrk = lark.Lark(grammar, start='rule0')
def _parse(self, txt):
parser = lark.Lark(r'''
identifier : CNAME
outer_assign : identifier "=" value
params : outer_assign *
inner_assign : identifier "=" value ";"
input_size : "inputsize" "=" INT ";"
layer : "layer" "[" inner_assign * "]"
atom_type : WORD
atom_net : "atom_net" atom_type "$" layer * "$"
network_setup: "network_setup" "{" input_size atom_net * "}"
start: params network_setup params
value : SIGNED_INT
| SIGNED_FLOAT
| STRING_VALUE
STRING_VALUE : ("_"|"-"|"."|"/"|LETTER)("_"|"-"|"."|"/"|LETTER|DIGIT)*
%import common.SIGNED_NUMBER
%import common.LETTER
%import common.WORD
%import common.DIGIT
%import common.INT
%import common.SIGNED_INT
%import common.SIGNED_FLOAT
%import common.CNAME
%import common.WS
%ignore WS
%ignore /!.*/
''') # noqa: E501
tree = parser.parse(txt)
class TreeExec(lark.Transformer):
def identifier(self, v):
v = v[0].value
return v
def value(self, v):
if len(v) == 1:
v = v[0]
if v.type == 'STRING_VALUE':
v = v.value
elif v.type == 'SIGNED_INT' or v.type == 'INT':
v = int(v.value)
elif v.type == 'SIGNED_FLOAT' or v.type == 'FLOAT':
v = float(v.value)
else:
raise ValueError('unexpected type')
else:
raise ValueError('length of value can only be 1 or 2')
return v
def outer_assign(self, v):
name = v[0]
value = v[1]
return name, value
inner_assign = outer_assign
def params(self, v):
return v
def network_setup(self, v):
intput_size = int(v[0])
atomic_nets = dict(v[1:])
return intput_size, atomic_nets
def layer(self, v):
return dict(v)
def atom_net(self, v):
atom_type = v[0]
layers = v[1:]
return atom_type, layers
def atom_type(self, v):
return v[0].value
def start(self, v):
network_setup = v[1]
del v[1]
return network_setup, dict(itertools.chain(*v))
def input_size(self, v):
return v[0].value
return TreeExec().transform(tree)
import lark
parser = lark.Lark("""
start: CHAR*
CHAR: /./s
""")
# parser = lark.Lark("""
# //-----------------------------
# start: item*
#
# item: STRING
# | CHAR
#
# // STRING: "\"" /[^\"]*/ "\""
# STRING: "\"" /[abc]/ "\""
#
# CHAR: /.|\n|\r/x
#
# //-----------------------------
# """)
parsed = parser.parse('''
foo bar baz
''')
for i in parsed.children:
print(str(i.value))
def create(grammar, Transformer):
parser = lark.Lark(grammar, debug=False, parser='lalr')
transformer = Transformer()
return partial(parse, parser, transformer)
class ReactionEquation(list):
""" Reaction equation
"""
with open(
pkg_resources.resource_filename(
'obj_tables', os.path.join('chem', 'reaction_equation.lark')),
'r') as file:
parser = lark.Lark(file.read())
def is_equal(self, other):
""" Determine if two reaction equations are semantically equivalent
Args:
other (:obj:`ReactionEquation`): other reaction equation
Returns:
:obj:`bool`: :obj:`True` if the objects are semantically equivalent
"""
if self.__class__ != other.__class__:
return False
if len(self) != len(other):
return False
other_participants = list(other)
for part in self:
part_in_other = False
for other_part in list(other_participants):
if part.is_equal(other_part):
part_in_other = True
other_participants.remove(other_part)
break
if not part_in_other:
return False
return True
def to_dict(self):
""" Get a simple Python representation compatible with JSON
Returns:
:obj:`list`: simple Python representation
"""
return [part.to_dict() for part in self]
def serialize(self):
""" Generate a string representation
Returns:
:obj:`str`: string representation
"""
compartments = set()
for part in self:
if isinstance(part.compartment, core.Model):
compartments.add(part.compartment.serialize())
else:
compartments.add(part.compartment)
lhs = []
rhs = []
for part in self:
if part.stoichiometry < 0:
lhs.append(
part.serialize(include_compartment=len(compartments) > 1))
elif part.stoichiometry > 0:
rhs.append(
part.serialize(include_compartment=len(compartments) > 1))
serialized_value = '{} <=> {}'.format(' + '.join(sorted(lhs)),
' + '.join(sorted(rhs))).strip()
if len(compartments) == 1:
serialized_value = '[{}]: '.format(
list(compartments)[0]) + serialized_value
return serialized_value
def deserialize(self, value, species=None, compartments=None):
""" Set the participants from a string representation
Args:
value (:obj:`str`): string representation
species (:obj:`dict`, optional): dictionary that maps species ids to instances
compartments (:obj:`dict`, optional): dictionary that maps compartment ids to instances
"""
tree = self.parser.parse(value)
transformer = self.ParseTreeTransformer(species=species,
compartments=compartments)
parts = transformer.transform(tree)
self.clear()
self.extend(parts)
return self
class ParseTreeTransformer(lark.Transformer):
""" Transforms parse trees into an instance of :obj:`ReactionEquation`
Attributes:
species (:obj:`dict`): dictionary that maps species ids to instances
compartments (:obj:`dict`): dictionary that maps compartment ids to instances
"""
def __init__(self, species=None, compartments=None):
"""
Args:
species (:obj:`dict`, optional): dictionary that maps species ids to instances
compartments (:obj:`dict`, optional): dictionary that maps compartment ids to instances
"""
self.species = species
self.compartments = compartments
@lark.v_args(inline=True)
def start(self, parts):
if len(set([part.serialize() for part in parts])) < len(parts):
raise ValueError('Reaction participants cannot be repeated')
if self.species:
for part in parts:
species = self.species.get(part.species, None)
if not species:
raise ValueError('Species "{}" must be defined'.format(
part.species))
part.species = species
if self.compartments:
for part in parts:
compartment = self.compartments.get(part.compartment, None)
if not compartment:
raise ValueError(
'Compartment "{}" must be defined'.format(
part.compartment))
part.compartment = compartment
return parts
@lark.v_args(inline=True)
def gbl(self, *args):
parts = []
for arg in args:
if isinstance(arg, lark.lexer.Token) and \
arg.type == 'SPECIES_STOICHIOMETRY__SPECIES__COMPARTMENT__ID':
compartment = arg.value
elif isinstance(arg, lark.tree.Tree):
if arg.data == 'gbl_reactants':
sign = -1
else:
sign = 1
for part in arg.children[0]:
part.stoichiometry *= sign
part.compartment = compartment
parts.append(part)
return parts
@lark.v_args(inline=True)
def gbl_parts(self, *args):
val = []
for arg in args:
if isinstance(arg, ReactionParticipant):
val.append(arg)
return val
@lark.v_args(inline=True)
def gbl_part(self, *args):
stoichiometry = 1.
for arg in args:
if arg.type == 'SPECIES_STOICHIOMETRY__SPECIES__SPECIES_TYPE__ID':
species = arg.value
elif arg.type == 'SPECIES_STOICHIOMETRY__STOICHIOMETRY':
stoichiometry = float(arg.value)
return ReactionParticipant(species, None, stoichiometry)
@lark.v_args(inline=True)
def lcl(self, *args):
parts = []
for arg in args:
if isinstance(arg, lark.tree.Tree):
if arg.data == 'lcl_reactants':
sign = -1
else:
sign = 1
for part in arg.children[0]:
part.stoichiometry *= sign
parts.append(part)
return parts
@lark.v_args(inline=True)
def lcl_parts(self, *args):
val = []
for arg in args:
if isinstance(arg, ReactionParticipant):
val.append(arg)
return val
@lark.v_args(inline=True)
def lcl_part(self, *args):
stoichiometry = 1.
for arg in args:
if arg.type == 'SPECIES_STOICHIOMETRY__SPECIES__SPECIES_TYPE__ID':
species = arg.value
elif arg.type == 'SPECIES_STOICHIOMETRY__SPECIES__COMPARTMENT__ID':
compartment = arg.value
elif arg.type == 'SPECIES_STOICHIOMETRY__STOICHIOMETRY':
stoichiometry = float(arg.value)
return ReactionParticipant(species, compartment, stoichiometry)
_parser = lark.Lark(r"""
productions : new_line* ( non_terminal_start "->" non_terminals end_symbol )* non_terminal_start "->" non_terminals end_symbol?
non_terminals : production ( "|" production )*
production : ( non_terminal? ( space+ | epsilon | terminal ) )*
// Forces them to appear in the tree as branches
epsilon : "&"+
end_symbol : ( ";" | new_line )+
terminal : ( SIGNED_NUMBER | LCASE_LETTER | dash_phi_hyphen )+
non_terminal : UCASE_LETTER ( UCASE_LETTER | DIGIT | quote )*
new_line : NEWLINE
quote : "'"
dash_phi_hyphen : "-"
space : " "
// Rename the start symbol, so when parsing the tree it is simple to find it
non_terminal_start : non_terminal
// Stops Lark from automatically filtering out these literals from the tree
null : "null"
true : "true"
false : "false"
// Import common definitions
%import common.INT
%import common.DIGIT
%import common.UCASE_LETTER
%import common.LCASE_LETTER
%import common.SIGNED_NUMBER
%import common.NEWLINE
%import common.WS_INLINE
// Set to ignore white spaces
%ignore WS_INLINE
""",
start='productions',
parser='earley',
ambiguity="explicit")
