Example #1
0
 def create_new_environment(initialized_args: Dict[str, RObj],
                            env: Environment):
     new_env: Environment = Environment(env)
     for name, val in initialized_args.items():
         val_val = val.evaluate(new_env)
         new_env.add(name, val_val)
     return new_env
Example #2
0
def arrange_params_with_function_args(params, func, env: Environment):
    res = func_args_arrange(params, func.input_args)
    new_env: Environment = Environment(env)

    for name, val in res.items():
        new_env.add(name, val)

    return new_env
Example #3
0
from R.Environment import Environment
import R.RObj
import R.BuiltIn as builtin
from R.Function import FunctionObj, CallObj, Atomic, Arg
import R.AtomicObjs as objs
import R.Types as types
import R.LanguageObjs as language

this_env: Environment = Environment(builtin.built_in_env)
this_env.set_global(this_env)
print('123')

items1 = [
    language.AssignObj.create(objs.SymbolObj('h'),
                              Atomic.create(1, types.IntegerType())),
    Atomic.create(2, types.IntegerType()),
    Atomic.create(5, types.IntegerType())
]

items2 = [
    Atomic.create(False, types.LogicalType()),
    language.AssignObj.create(objs.SymbolObj('f'),
                              Atomic.create(1, types.IntegerType())),
    Atomic.create(5, types.IntegerType()),
    language.AssignObj.create(objs.SymbolObj('h'),
                              Atomic.create(1, types.IntegerType()))
]

symbol_c = objs.SymbolObj('c')

c_call1 = CallObj(symbol_c, items1)
Example #4
0
    def evaluate(self, env: Environment):
        if self.as_from_lang:
            try:
                return self.base_obj.compute(env)
            except errors.R_RuntimeError as e:
                r = RError.create_simple(self, e.message)
                if not self.exception_occurred(r):
                    raise r

        if self.base_obj.get_type().name == 'symbol':
            fun: FunctionObj = env.find_function(self.base_obj.name)
            if not isinstance(fun, FunctionObj):
                raise RError.create_simple(self,
                                           errors.ApplyToNonFunction().message)
        else:
            fun: FunctionObj = self.base_obj.evaluate(env)
            if not isinstance(fun, FunctionObj):
                raise errors.ApplyToNonFunction()

        args = []

        assg_obj = RObj.get_r_obj('AssignObj')

        for item in self.items:
            if isinstance(item, DotsObj):
                args.extend(item.items)
            elif isinstance(item, Atomic):
                n = VectorObj.create([VectorItem(None, item)])
                args.append(Param(None, n))
            elif isinstance(item, assg_obj):
                if item.item.get_type().name == 'symbol':
                    name = item.item.name
                elif isinstance(item.item, Atomic):
                    if item.item.get_type().name == 'character':
                        name = item.item[0]
                    else:
                        raise RError.create_simple(
                            self,
                            errors.InvalidLeftHandAssignment().message)
                else:
                    raise RError.create_simple(
                        self,
                        errors.InvalidLeftHandAssignment().message)
                arg = Param(name, item.value.evaluate(env))
                args.append(arg)
            else:
                arg = Param(None, item.evaluate(env))
                args.append(arg)
            #     if item.mode == 'plain':
            #         if item.item.get_type().name == 'symbol':
            #             name = item.item.name
            #         elif isinstance(item.item, Atomic):
            #             if item.item.get_type().name == 'character':
            #                 name = item.item[0]
            #             else:
            #                 raise errors.InvalidLeftHandAssignment()
            #         else:
            #             raise errors.InvalidLeftHandAssignment()
            #         arg = Param(name, item.value.evaluate(env))
            #         args.append(arg)
            #     else:
            #         arg = Param(None, item.evaluate(env))
            #         args.append(arg)
            # else:
            #     arg = Param(None, item.evaluate(env))
            #     args.append(arg)

        try:
            res = func_args_arrange(args, fun.input_args)
            new_env: Environment = Environment(env)
            for name, val in res.items():
                new_env.add(name, val)
            ret = fun.compute(new_env)
            return ret
        except errors.R_RuntimeError as e:
            r = RError.create_simple(self, e.message)
            if not self.exception_occurred(r):
                raise r
Example #5
0
from typing import List
from abc import abstractmethod
import R.Types as types

from R.Environment import Environment
from R.Function import FunctionObj, RObj, Arg, DotsObj, Param
from R.AtomicObjs import ListItem, ListObj, VectorObj, VectorItem, Atomic, EmptyParamObj, NULLObj
import R.RuntimeErrors as errors


built_in_env: Environment = Environment(None)


class BuiltInFun(FunctionObj):
    def __init__(self, name, input_args):
        super(BuiltInFun, self).__init__(input_args, None)
        self._type = types.BuiltInType()
        self.name = name

    @staticmethod
    @abstractmethod
    def create(*args):
        pass

    @abstractmethod
    def compute(self, params: List[Param], env: Environment):
        pass


def cast_vector_items(items, python_type, r_type):
    ret = [VectorItem(item.name, Atomic(python_type(item.value.value), r_type())) for item in items]