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docs(luacats): support backtick captured generic type

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Problem:
While LuaCATS's generics system are still considered WIP by luals, they
currently support type captured generics.

See "Capture with Backtick" example:
https://luals.github.io/wiki/annotations/#generic

Solution:
Add support for it in the LuaCATS grammar
This commit is contained in:
James Trew 2024-05-02 23:33:22 -04:00 committed by Lewis Russell
parent c3c673cdec
commit 93940af1d4
2 changed files with 9 additions and 1 deletions
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3
scripts/luacats_grammar.lua
View File

@ -170,7 +170,7 @@ local grammar = P {
ltype = parenOpt(v.ty_union), ltype = parenOpt(v.ty_union),
ty_union = v.ty_opt * rep(Pf('|') * v.ty_opt), ty_union = v.ty_opt * rep(Pf('|') * v.ty_opt),
ty = v.ty_fun + ident + v.ty_table + literal + paren(v.ty), ty = v.ty_fun + ident + v.ty_table + literal + paren(v.ty) + v.ty_generic,
ty_param = Pf('<') * comma1(v.ltype) * fill * P('>'), ty_param = Pf('<') * comma1(v.ltype) * fill * P('>'),
ty_opt = v.ty * opt(v.ty_param) * opt(P('[]')) * opt(P('?')), ty_opt = v.ty * opt(v.ty_param) * opt(P('[]')) * opt(P('?')),
ty_index = (Pf('[') * (v.ltype + ident + rep1(num)) * fill * P(']')), ty_index = (Pf('[') * (v.ltype + ident + rep1(num)) * fill * P(']')),
@ -179,6 +179,7 @@ local grammar = P {
ty_table = Pf('{') * comma1(v.table_elem) * fill * P('}'), ty_table = Pf('{') * comma1(v.table_elem) * fill * P('}'),
fun_param = lname * opt(colon * v.ltype), fun_param = lname * opt(colon * v.ltype),
ty_fun = Pf('fun') * paren(comma(lname * opt(colon * v.ltype))) * opt(colon * comma1(v.ltype)), ty_fun = Pf('fun') * paren(comma(lname * opt(colon * v.ltype))) * opt(colon * comma1(v.ltype)),
ty_generic = P('`') * letter * P('`'),
} }
return grammar --[[@as nvim.luacats.grammar]] return grammar --[[@as nvim.luacats.grammar]]

7
test/functional/script/luacats_grammar_spec.lua
View File

@ -152,4 +152,11 @@ describe('luacats grammar', function()
name = '[1]', name = '[1]',
type = 'integer', type = 'integer',
}) })
test('@param type `T` this is a generic type', {
desc = 'this is a generic type',
kind = 'param',
name = 'type',
type = '`T`',
})
end) end)