def call(self):
res = ParseResult()
atom = res.register(self.atom())
if res.error: return res
if self.current_tok.type == token.T_LPAREN:
res.register_advancement()
self.advance()
arg_nodes = []
if self.current_tok.type == token.T_RPAREN:
res.register_advancement()
self.advance()
else:
arg_nodes.append(res.register(self.expr()))
if res.error:
return res.failure(
errors.InvalidSyntaxError(
self.current_tok.pos_start,
self.current_tok.pos_end,
"Expected ')', 'var', 'if', 'for', 'while', 'func', int, float, identifier, '+', '-', '(', '[' or 'not'"
))
while self.current_tok.type == token.T_COMMA:
res.register_advancement()
self.advance()
arg_nodes.append(res.register(self.expr()))
if res.error: return res
if self.current_tok.type != token.T_RPAREN:
return res.failure(
errors.InvalidSyntaxError(self.current_tok.pos_start,
self.current_tok.pos_end,
"Expected ',' or ')'"))
res.register_advancement()
self.advance()
return res.success(nodes.CallNode(atom, arg_nodes))
return res.success(atom)
def call(self):
res = ParseResult()
atom = res.register(self.atom())
if res.error: return res
if self.current_tok.type == token.T_LPAREN:
res.register_advancement()
self.advance()
arg_nodes = []
optional_arg_name_nodes = []
optional_arg_value_nodes = []
if self.current_tok.type == token.T_RPAREN:
res.register_advancement()
self.advance()
else:
arg_nodes.append(res.register(self.expr()))
if res.error:
return res.failure(
errors.InvalidSyntaxError(
self.current_tok.pos_start,
self.current_tok.pos_end,
"Expected ')', 'var', 'if', 'for', 'while', 'func', int, float, identifier, '+', '-', '(', '[' or 'not'"
))
while self.current_tok.type == token.T_COMMA:
res.register_advancement()
self.advance()
arg_nodes.append(res.register(self.expr()))
if res.error: return res
if self.current_tok.type == token.T_EQ:
ident = arg_nodes.pop(-1)
if type(ident) != nodes.VarAccessNode:
return res.failure(
errors.InvalidSyntaxError(
self.current_tok.pos_start,
self.current_tok.pos_end,
"Expected an identifier"))
optional_arg_name_nodes.append(ident.var_name_tok)
res.register_advancement()
self.advance()
optional_arg_value_nodes.append(res.register(self.expr()))
if res.error:
return res.failure(
errors.InvalidSyntaxError(
self.current_tok.pos_start,
self.current_tok.pos_end,
"Expected int, float, string or boolean"))
while self.current_tok.type == token.T_COMMA:
res.register_advancement()
self.advance()
if self.current_tok.type != token.T_IDENTIFIER:
return res.failure(
errors.InvalidSyntaxError(
self.current_tok.pos_start,
self.current_tok.pos_end,
f"Expected identifier"))
optional_arg_name_nodes.append(self.current_tok)
res.register_advancement()
self.advance()
if self.current_tok.type != token.T_EQ:
return res.failure(
errors.InvalidSyntaxError(
self.current_tok.pos_start,
self.current_tok.pos_end, f"Expected ="))
res.register_advancement()
self.advance()
value = res.register(self.atom())
if res.error: return res
optional_arg_value_nodes.append(value)
if self.current_tok.type != token.T_RPAREN:
return res.failure(
errors.InvalidSyntaxError(self.current_tok.pos_start,
self.current_tok.pos_end,
"Expected ',' or ')'"))
res.register_advancement()
self.advance()
return res.success(
nodes.CallNode(atom, arg_nodes, optional_arg_name_nodes,
optional_arg_value_nodes))
return res.success(atom)