completion_env

Autocomplete helper: determine context of the token to be autocompleted

Adapted from the stata_kernel version (omitting mata-specific stuff).

Note the corner cases discussed here, but the commented out test cases below are not yet handled:

• github.com/kylebarron/language-stata/issues/90
• statalist.org/forums/forum/general-stata-discussion/general/1448244

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CompletionEnv

 CompletionEnv ()

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Env

 Env (value, names=None, module=None, qualname=None, type=None, start=1)

An enumeration.

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CompletionEnv.get_env

 CompletionEnv.get_env (code:str, r2chars:str, sc_delimiter)

Returns completions environment

	Type	Details
code	str	Right-truncated to cursor position
r2chars	str	The two characters immediately after code, used to accurately determine rcomp
sc_delimiter
Returns	typing.Tuple[main.Env, int, str, str]

test_eq(
    test_instance.get_env("`", "", None)[0:3],
    (Env.LOCAL, 1, ""))

test_eq(
    test_instance.get_env("*%b", "", None)[0:2],
    (Env.MAGIC, 1))

test_eq(
    test_instance.get_env("gen time_tc = clock(datea", "", None)[0:2],
    (Env.GENERAL, 20))

test_eq(
    test_instance.get_env("list var1-v", "", None)[0:2],
    (Env.GENERAL, 10))