def argCheck(self, tree):
flist = tree.value
# For needs at least 3 arguments.
if (len(flist)<3):
raise lce.NumberArgumentsException("2 or more", len(flist) - 1)
# Check that loop arguments are correct.
loop_args = flist[1]
if not isinstance(loop_args, lexerParser.LCadExpression):
raise lce.LCadException("first argument in for() must be a list.")
# Check for the right number of arguments.
loop_args = loop_args.value
if (len(loop_args) < 2):
raise lce.NumberArgumentsException("2,3 or 4", len(loop_args))
elif (len(loop_args) > 4):
raise lce.NumberArgumentsException("2,3 or 4", len(loop_args))
# Check for correct type of loop variable.
if not isinstance(loop_args[0], lexerParser.LCadSymbol):
raise lce.LCadException("loop variable must be a symbol.")
# Create loop variable.
inc_name = loop_args[0].value
interp.checkOverride(tree.lenv, inc_name)
tree.lenv.symbols[inc_name] = interp.Symbol(inc_name, tree.filename)
tree.initialized = True
def argCheck(self, tree):
# def needs at least 3 arguments.
if (len(tree.value)<3):
raise lce.NumberArgumentsException("2 or more", len(tree.value) - 1)
# Check for the right number of arguments (4 for a function,
# a multiple of 2 for variables).
if (len(tree.value)!=4) and ((len(tree.value)%2)!=1):
raise lce.NumberArgumentsException("an even number of arguments", len(tree.value) - 1)
def argCheck(self, tree):
args = tree.value[1:]
if self.has_keyword_args or self.has_optional_args:
if (len(args) < self.minimum_args):
raise lce.NumberArgumentsException(
"at least " + str(self.minimum_args), len(args))
else:
if (len(args) != self.minimum_args):
raise lce.NumberArgumentsException(
"exactly " + str(self.minimum_args), len(args))
tree.initialized = True
def call(self, model, *args, **kwargs):
# Check argument count.
if (len(args) != self.minimum_args):
raise lce.NumberArgumentsException(self.minimum_args, len(args))
# Fill in arguments.
for i in range(len(args)):
self.lenv.symbols[self.arg_names[i]].setv(args[i])
if self.has_keyword_args:
for key in kwargs.keys():
self.lenv.symbols[key].setv(kwargs[key])
# Evaluate function.
return interpret(model, self.body)
def argCheck(self, tree):
if (len(tree.value)<3):
raise lce.NumberArgumentsException("2+", len(tree.value) - 1)
tree.initialized = True
def argCheck(self, tree):
flist = tree.value
if (len(flist) < 3) or ((len(flist[1:])%2) != 0):
raise lce.NumberArgumentsException("A multiple of 2", len(flist[1:]))
tree.initialized = True
def argCheck(self, tree):
# Import needs at least 1 arguments.
if (len(tree.value)<2):
raise lce.NumberArgumentsException("1 or more", len(tree.value) - 1)
def argCheck(self, tree):
if (len(tree.value) != 3) and (len(tree.value) != 4):
raise lce.NumberArgumentsException("2 or 3", len(tree.value) - 1)
tree.initialized = True
