1 | """Methods on YSH Dict"""
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2 |
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3 | from __future__ import print_function
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4 |
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5 | from _devbuild.gen.value_asdl import (value, value_t)
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6 |
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7 | from core import vm
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8 | from frontend import typed_args
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9 | from mycpp import mylib
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10 | from mycpp.mylib import log
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11 |
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12 | from typing import List
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13 |
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14 | _ = log
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15 |
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16 |
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17 | class Keys(vm._Callable):
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18 |
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19 | def __init__(self):
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20 | # type: () -> None
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21 | pass
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22 |
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23 | def Call(self, rd):
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24 | # type: (typed_args.Reader) -> value_t
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25 |
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26 | dictionary = rd.PosDict()
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27 | rd.Done()
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28 |
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29 | keys = [value.Str(k) for k in dictionary.keys()] # type: List[value_t]
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30 | return value.List(keys)
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31 |
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32 |
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33 | class Values(vm._Callable):
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34 |
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35 | def __init__(self):
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36 | # type: () -> None
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37 | pass
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38 |
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39 | def Call(self, rd):
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40 | # type: (typed_args.Reader) -> value_t
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41 |
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42 | dictionary = rd.PosDict()
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43 | rd.Done()
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44 |
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45 | values = dictionary.values() # type: List[value_t]
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46 | return value.List(values)
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47 |
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48 |
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49 | class Erase(vm._Callable):
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50 |
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51 | def __init__(self):
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52 | # type: () -> None
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53 | pass
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54 |
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55 | def Call(self, rd):
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56 | # type: (typed_args.Reader) -> value_t
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57 |
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58 | dictionary = rd.PosDict()
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59 | key = rd.PosStr()
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60 | rd.Done()
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61 |
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62 | mylib.dict_erase(dictionary, key)
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63 | return value.Null
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