def math_log(wrapper, arguments, traverser):
"""Return a better value than the standard python log function."""
args = [traverser._traverse_node(a) for a in arguments]
if not args:
return JSWrapper(0, traverser=traverser)
arg = actions._get_as_num(args[0].get_literal_value())
if arg == 0:
return JSWrapper(float('-inf'), traverser=traverser)
if arg < 0:
return JSWrapper(traverser=traverser)
arg = math.log(arg)
return JSWrapper(arg, traverser=traverser)
def math_log(wrapper, arguments, traverser):
"""Return a better value than the standard python log function."""
args = [traverser._traverse_node(a) for a in arguments]
if not args:
return JSWrapper(0, traverser=traverser)
arg = actions._get_as_num(args[0].get_literal_value())
if arg == 0:
return JSWrapper(float('-inf'), traverser=traverser)
if arg < 0:
return JSWrapper(traverser=traverser)
arg = math.log(arg)
return JSWrapper(arg, traverser=traverser)
def math_round(wrapper, arguments, traverser):
"""Return a better value than the standard python round function."""
args = [traverser._traverse_node(a) for a in arguments]
if not args:
return JSWrapper(0, traverser=traverser)
arg = actions._get_as_num(args[0].get_literal_value())
# Prevent nasty infinity tracebacks.
if abs(arg) == float('inf'):
return args[0]
# Python rounds away from zero, JS rounds "up".
if arg < 0 and int(arg) != arg:
arg += 0.0000000000000001
arg = round(arg)
return JSWrapper(arg, traverser=traverser)
def math_round(wrapper, arguments, traverser):
"""Return a better value than the standard python round function."""
args = [traverser._traverse_node(a) for a in arguments]
if not args:
return JSWrapper(0, traverser=traverser)
arg = actions._get_as_num(args[0].get_literal_value())
# Prevent nasty infinity tracebacks.
if abs(arg) == float('inf'):
return args[0]
# Python rounds away from zero, JS rounds "up".
if arg < 0 and int(arg) != arg:
arg += 0.0000000000000001
arg = round(arg)
return JSWrapper(arg, traverser=traverser)
def contains(self, value):
"""Serves 'in' for BinaryOperators for lists and dictionaries"""
# Unwrap the rvalue.
if isinstance(value, JSWrapper):
value = value.get_literal_value()
if isinstance(self.value, JSArray):
from actions import _get_as_num
index = int(_get_as_num(value))
if len(self.value.elements) > index >= 0:
return True
if isinstance(self.value, (JSArray, JSObject, JSPrototype)):
return self.value.has_var(value)
# Nothing else supports "in"
return False
def contains(self, value):
"""Serves 'in' for BinaryOperators for lists and dictionaries"""
# Unwrap the rvalue.
if isinstance(value, JSWrapper):
value = value.get_literal_value()
if isinstance(self.value, JSArray):
from actions import _get_as_num
index = int(_get_as_num(value))
if len(self.value.elements) > index >= 0:
return True
if isinstance(self.value, (JSArray, JSObject, JSPrototype)):
return self.value.has_var(value)
# Nothing else supports "in"
return False
def _process_literal(type_, literal):
if type_ == 'string':
return actions._get_as_str(literal)
elif type_ == 'num':
return actions._get_as_num(literal)
return literal
def _process_literal(type_, literal):
if type_ == 'string':
return actions._get_as_str(literal)
elif type_ == 'num':
return actions._get_as_num(literal)
return literal
def _process_literal(type_, literal):
if type_ == "string":
return actions._get_as_str(literal)
elif type_ == "num":
return actions._get_as_num(literal)
return literal
def _process_literal(type_, literal):
if type_ == "string":
return actions._get_as_str(literal)
elif type_ == "num":
return actions._get_as_num(literal)
return literal
