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refactor(vim.opt): unify vim.bo/wo building

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This commit is contained in:
Lewis Russell
2022-09-08 15:56:35 +01:00
parent 164752b380
commit 7533ceec13
2 changed files with 31 additions and 65 deletions
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92
runtime/lua/vim/_meta.lua
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@@ -54,76 +54,42 @@ vim.env = setmetatable({}, {
end,
})
do -- buffer option accessor
local function buf_opt_validate(k)
local scope = options_info[k].scope
if scope == 'win' then
error(
string.format([['%s' is a window option, not a buffer option. See ":help %s"]], k, k)
local function opt_validate(option_name, target_scope)
local scope = options_info[option_name].scope
if scope ~= target_scope then
local scope_to_string = { buf = 'buffer', win = 'window' }
error(
string.format(
[['%s' is a %s option, not a %s option. See ":help %s"]],
option_name,
scope_to_string[scope] or scope,
scope_to_string[target_scope] or target_scope,
option_name
)
elseif scope == 'global' then
error(
string.format([['%s' is a global option, not a buffer option. See ":help %s"]], k, k)
)
end
)
end
local function new_buf_opt_accessor(bufnr)
return setmetatable({},{
__index = function(_, k)
if bufnr == nil and type(k) == 'number' then
return new_buf_opt_accessor(k)
end
buf_opt_validate(k)
return a.nvim_get_option_value(k, { buf = bufnr or 0 })
end,
__newindex = function(_, k, v)
buf_opt_validate(k)
return a.nvim_set_option_value(k, v, { buf = bufnr or 0 })
end,
})
end
vim.bo = new_buf_opt_accessor(nil)
end
do -- window option accessor
local function win_opt_validate(k)
local scope = options_info[k].scope
if scope == 'buf' then
error(
string.format([['%s' is a buffer option, not a window option. See ":help %s"]], k, k)
)
elseif scope == 'global' then
error(
string.format([['%s' is a global option, not a window option. See ":help %s"]], k, k)
)
end
end
local function new_opt_accessor(handle, scope)
return setmetatable({}, {
__index = function(_, k)
if handle == nil and type(k) == 'number' then
return new_opt_accessor(k, scope)
end
opt_validate(k, scope)
return a.nvim_get_option_value(k, { [scope] = handle or 0 })
end,
local function new_win_opt_accessor(winnr)
return setmetatable({}, {
__index = function(_, k)
if winnr == nil and type(k) == 'number' then
return new_win_opt_accessor(k)
end
win_opt_validate(k)
return a.nvim_get_option_value(k, { win = winnr or 0 })
end,
__newindex = function(_, k, v)
win_opt_validate(k)
return a.nvim_set_option_value(k, v, { win = winnr or 0 })
end,
})
end
vim.wo = new_win_opt_accessor(nil)
__newindex = function(_, k, v)
opt_validate(k, scope)
return a.nvim_set_option_value(k, v, { [scope] = handle or 0 })
end,
})
end
vim.bo = new_opt_accessor(nil, 'buf')
vim.wo = new_opt_accessor(nil, 'win')
-- vim global option
-- this ONLY sets the global option. like `setglobal`
vim.go = setmetatable({}, {