# coding: utf8
##########################################
# inspired from pseudo-python
from __future__ import absolute_import
from __future__ import print_function
from pycropml.transpiler.builtin_typed_api import builtin_type_check
from pycropml.transpiler.errors import PseudoCythonTypeCheckError
from pycropml.transpiler.pseudo_tree import Node
from datetime import datetime
[docs]
class Standard:
'''
Standard classes should respond to expand and to return
valid nodes on expand
'''
pass
[docs]
class StandardCall(Standard):
'''
converts to a standard call of the given namespace and function
'''
def __init__(self, namespace, function, expander=None):
self.namespace = namespace
self.function = function
self.expander = expander
[docs]
def expand(self, args):
if not self.expander:
q = builtin_type_check(self.namespace, self.function, None, args)[-1]
return {'type': 'standard_call', 'namespace': self.namespace, 'function': self.function, 'args': args, 'pseudo_type': q}
else:
return self.expander(self.namespace, self.function, args)
[docs]
class StandardCallAttrib(Standard):
'''
converts to a standard call of the given namespace and function
'''
def __init__(self, namespace, function, expander=None):
self.namespace = namespace
self.function = function
self.expander = expander
[docs]
def expand(self, args=[]):
if not self.expander:
q = builtin_type_check(self.namespace, self.function, None, args=[])[-1]
return {'type': 'standard_call', 'namespace': self.namespace, 'function': self.function, 'args': [], 'pseudo_type': q}
else:
return self.expander(self.namespace, self.function, args)
[docs]
class StandardMethodCall(Standard):
'''
converts to a method call of the same class
'''
def __init__(self, type, message, default=None, expander=None):
self.type = type
self.message = message
self.default = default
self.expander = expander
[docs]
def expand(self, args):
if self.default and len(args) - 1 in self.default:
args += self.default[len(args) - 1]
if not self.expander:
q = builtin_type_check(self.type, self.message, args[0], args[1:])[-1]
return {'type': 'standard_method_call', 'receiver': args[0], 'message': self.message, 'args': args[1:], 'pseudo_type': q}
else:
return self.expander(self.type, self.message, args)
[docs]
class StandardSwapper(Standard):
def __init__(self, type, message):
self.type = type
self.message = message
[docs]
def expand(self, args):
if len(args) < 2:
raise PseudoCythonTypeCheckError('%s expects more args' % self.message)
q = builtin_type_check(self.type, self.message, args[1], [args[0]])[-1]
return {'type': 'standard_method_call', 'receiver': args[1], 'args': [args[0]], 'message': self.message, 'pseudo_type': q}
[docs]
def int_expander(type, message, args):
return len_expander(type, message, args)
[docs]
def float_expander(type, message, args):
return len_expander(type, message, args)
[docs]
def len_expander(type, message, args):
receiver_type = args[0]['pseudo_type']
if isinstance(receiver_type, list):
a = receiver_type[0]
else:
a = receiver_type
# print(a, message, args[0], args[1:])
# input(0)
if message == 'len' and 'special' in args[0]: # len(sys.argv)
return {'type': 'standard_call', 'namespace': 'system', 'function': 'arg_count', 'args': [], 'pseudo_type': 'Int'}
else:
q = builtin_type_check(a, message, args[0], args[1:])
if a =="str" and message =="float" and args[0].get("value")==b"nan":
return {"type":'notAnumber', 'value' : 'nan', 'pseudo_type':'float'}
else:
return {'type': 'standard_method_call', 'receiver':args[0], 'args': [], 'message': message, 'pseudo_type': q[-1]}
[docs]
def min_expander(type, message, args):
if len(args)==1:
return {'type': 'standard_call', 'namespace': 'system', 'function': 'min', 'args': args, 'pseudo_type': args[0]["pseudo_type"][1]}
else:
for i in range(len(args)-1):
if args[i]["pseudo_type"]!=args[i+1]["pseudo_type"]:
pseudo = "float"
break
else: pseudo = args[i]["pseudo_type"]
return {'type': 'standard_call', 'namespace': 'system', 'function': 'min', 'args': args, 'pseudo_type': pseudo}
[docs]
def max_expander(type, message, args):
if len(args)==1:
return {'type': 'standard_call', 'namespace': 'system', 'function': 'max', 'args': args, 'pseudo_type': args[0]["pseudo_type"][1]}
else:
for i in range(len(args)-1):
if args[i]["pseudo_type"]!=args[i+1]["pseudo_type"]:
pseudo = "float"
break
else: pseudo = args[i]["pseudo_type"]
return {'type': 'standard_call', 'namespace': 'system', 'function': 'max', 'args': args, 'pseudo_type':pseudo}
[docs]
def abs_expander(type, message, args):
return {'type': 'standard_call', 'namespace': 'system', 'function': 'abs', 'args': args, 'pseudo_type': args[0]["pseudo_type"]}
[docs]
def list_expander(type, message, args):
return {'type': 'standard_call', 'namespace': 'system', 'function': 'list', 'args': args, 'pseudo_type': ['list',args[0]["pseudo_type"][-1]]}
[docs]
def range_expander(type, message, args):
return {'type': 'standard_call', 'namespace': 'system', 'function': 'range', 'args': args, 'pseudo_type': ['list', args[0]["pseudo_type"]]}
[docs]
def datetime_expander(type, message, args):
if len(args)==3:
a = datetime(eval(args[0]["value"]),eval(args[1]["value"]),eval(args[2]["value"]) )
elif len(args)==4:
a = datetime(eval(args[0]["value"]),eval(args[1]["value"]),eval(args[2]["value"]),eval(args[3]["value"]) )
elif len(args)==5:
a = datetime(eval(args[0]["value"]),eval(args[1]["value"]),eval(args[2]["value"]),eval(args[3]["value"]),eval(args[4]["value"]) )
elif len(args)==6:
a = datetime(eval(args[0]["value"]),eval(args[1]["value"]),eval(args[2]["value"]),eval(args[3]["value"]),eval(args[4]["value"]),eval(args[5]["value"]) )
else: raise PseudoCythonTypeCheckError('datetime expects 3, 4, 5 or 6 args')
return {'type': 'standard_call', 'namespace': 'datetime', 'function': 'datetime', 'args': args, 'pseudo_type': 'datetime'}
[docs]
def array_expander(type, message, args):
if args[-1]["type"]=="list":
res = {'type': 'array', 'elements': args[-1]["elements"], 'dim': len(args[-1]["elements"]), 'pseudo_type': ['array',args[-1]["pseudo_type"][-1]]}
else:
res = {'type': 'array', 'elements': args[-1], 'pseudo_type': ['array',args[-1]["pseudo_type"][-1]]}
return res
[docs]
def copy_expander(type, message, args):
return {'type': 'standard_call', 'namespace': 'system', 'function':'copy', 'args': args[0], 'pseudo_type': args[0]["pseudo_type"]}
[docs]
def pow_expander(type, message, args):
x1 = args[0]["pseudo_type"]
x2 = args[1]["pseudo_type"]
if x1=="int" and x2=="int" :
if "value" in dir(args[1]):
val = -(int(args[1]["value"]["value"])) if args[1]["type"]=="unary_op" else args[1]["value"]
if int(val)<0:
q="float"
else:
q="int"
else:
if args[1]["pseudo_type"]=="int": q = "int"
else: q="float"
else:
q="float"
return {'type': 'standard_call', 'namespace': 'system', 'function': 'pow', 'args': args, 'pseudo_type':q}
[docs]
def modulo_expander(type, message, args):
return {'type': 'standard_call', 'namespace': 'system', 'function': 'modulo', 'args': args, 'pseudo_type':"int"}
[docs]
def round_expander(type, message, args):
return {'type': 'standard_call', 'namespace': 'system', 'function': 'round', 'args': args, 'pseudo_type':"float"}
[docs]
def integr_expander(type, message, args):
if isinstance(args[0]["pseudo_type"], list) and isinstance(args[1]["pseudo_type"] ,list):
if args[1]["pseudo_type"][1] != args[0]["pseudo_type"][1]:
raise PseudoCythonTypeCheckError('wrong usage of %s integr')
if isinstance(args[0]["pseudo_type"], list) and not isinstance(args[1]["pseudo_type"] ,list):
if args[1]["pseudo_type"] != args[0]["pseudo_type"][1]:
raise PseudoCythonTypeCheckError('wrong usage of %s integr')
return {'type': 'standard_call', 'namespace': 'system', 'function': 'integr', 'args': args, 'pseudo_type':args[0]["pseudo_type"]}
FUNCTION_API = {
'global': {
'input': StandardCall('io', 'read'),
'print': StandardCall('io', 'display'),
"round": StandardCall('global', 'round',expander=round_expander ),
'str': StandardCall('global', 'to_string'),
'min': StandardCall('global', 'min', expander=min_expander),
'max': StandardCall('global', 'max', expander=max_expander),
'abs': StandardCall('global', 'abs', expander = abs_expander),
'len': StandardMethodCall('list', 'len', expander=len_expander),
'int': StandardMethodCall('float', 'int', expander=int_expander),
'float': StandardMethodCall('int', 'float', expander=float_expander),
'pow': StandardCall('global', 'pow', expander = pow_expander),
'modulo': StandardCall('global', 'modulo', expander = modulo_expander),
'copy': StandardCall('global', 'copy', expander = copy_expander),
'integr': StandardCall('global', 'integr', expander = integr_expander),
'array': StandardCall('global', 'integr', expander = array_expander),
"range": StandardCall('global', 'range', expander = range_expander),
"list": StandardCall('global', 'list', expander = list_expander)
},
'math': {
'log': {
1: StandardCall('math', 'ln'),
2: StandardCall('math', 'log')
},
'sin': StandardCall('math', 'sin'),
'cos': StandardCall('math', 'cos'),
'tan': StandardCall('math', 'tan'),
'acos': StandardCall('math', 'acos'),
'asin': StandardCall('math', 'asin'),
'atan': StandardCall('math', 'atan'),
'sqrt': StandardCall('math', 'sqrt'),
'ceil': StandardCall('math', 'ceil'),
'exp': StandardCall('math', 'exp'),
'floor': StandardCall('math', 'floor'),
'isnan': StandardCall('math', 'isnan')
},
'datetime':{
'datetime': StandardMethodCall('datetime', 'datetime', expander = datetime_expander )
},
'array':{
'array': StandardMethodCall('numpy', 'array', expander = array_expander )
}
}
METHOD_API = {
'str': {
'split': StandardMethodCall('str', 'split'),
'join': StandardSwapper('str', 'join'),
'upper': StandardMethodCall('str', 'upper'),
'lower': StandardMethodCall('str', 'lower'),
'title': StandardMethodCall('str', 'title'),
'center': StandardMethodCall('str', 'center', default={1: [{'type': 'str', 'value': ' ', 'pseudo_type': 'str'}]}),
'index': StandardMethodCall('str', 'index'),
'find': {
1: StandardMethodCall('str', 'find'),
2: StandardMethodCall('str', 'find_from')
}
},
'list': {
'append': StandardMethodCall('list', 'append'),
'pop': StandardMethodCall('list', 'pop'),
'insert': {
1: StandardMethodCall('list', 'insert'),
2: StandardMethodCall('list', 'insert_at')
},
'remove': StandardMethodCall('list', 'remove'),
'extend': StandardMethodCall('list', 'extend'),
'map': StandardMethodCall('list', 'map'),
'filter': StandardMethodCall('list', 'filter'),
'copy': StandardMethodCall('list', 'copy'),
'index': StandardMethodCall('list', 'index'),
'allocate': StandardMethodCall('list', 'allocate')
},
'dict': {
'keys': StandardMethodCall('dict', 'keys'),
'values': StandardMethodCall('dict', 'values'),
'get': StandardMethodCall('dict', 'get'),
'[]': StandardMethodCall('dict', 'getitem'),
'[]=': StandardMethodCall('dict', 'setitem')
},
'datetime': {
'year': StandardCallAttrib('datetime', 'year'),
'month': StandardCallAttrib('datetime', 'month'),
'day': StandardCallAttrib('datetime', 'day'),
'hour': StandardCallAttrib('datetime', 'hour'),
'minute': StandardCallAttrib('datetime', 'minute'),
'second': StandardCallAttrib('datetime', 'second')
},
'array': {
'append': StandardMethodCall('array', 'append'),
'allocate': StandardMethodCall('array', 'allocate')
},
'tuple': {
}
}
CONSTANT_API = {
'math':{
'pi':{'type':'constant', 'library':'math', 'pseudo_type':'float', 'name':'pi'}
}
}
OPERATOR_API = {
'list': {
'+': 'concat',
'*': 'repeat'
},
'str': {
'+': 'concat',
'*': 'repeat',
'%': 'c_format'
}
}