├── LICENSE-APACHE ├── LICENSE-MIT ├── README.md └── lua └── cmp-rust └── init.lua /LICENSE-APACHE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. Definitions. 8 | 9 | "License" shall mean the terms and conditions for use, reproduction, 10 | and distribution as defined by Sections 1 through 9 of this document. 11 | 12 | "Licensor" shall mean the copyright owner or entity authorized by 13 | the copyright owner that is granting the License. 14 | 15 | "Legal Entity" shall mean the union of the acting entity and all 16 | other entities that control, are controlled by, or are under common 17 | control with that entity. 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IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # cmp rust 2 | 3 | ```lua 4 | local compare = require "cmp.config.compare" 5 | cmp.setup.filetype({ "rust" }, { 6 | sorting = { 7 | priority_weight = 2, 8 | comparators = { 9 | -- deprioritize `.box`, `.mut`, etc. 10 | require("cmp-rust").deprioritize_postfix, 11 | -- deprioritize `Borrow::borrow` and `BorrowMut::borrow_mut` 12 | require("cmp-rust").deprioritize_borrow, 13 | -- deprioritize `Deref::deref` and `DerefMut::deref_mut` 14 | require("cmp-rust").deprioritize_deref, 15 | -- deprioritize `Into::into`, `Clone::clone`, etc. 16 | require("cmp-rust").deprioritize_common_traits, 17 | compare.offset, 18 | compare.exact, 19 | compare.score, 20 | compare.recently_used, 21 | compare.locality, 22 | compare.sort_text, 23 | compare.length, 24 | compare.order, 25 | }, 26 | }, 27 | }) 28 | ``` 29 | 30 | ## License 31 | 32 | You can choose either MIT or Apache 2.0 33 | -------------------------------------------------------------------------------- /lua/cmp-rust/init.lua: -------------------------------------------------------------------------------- 1 | local function deprioritize_postfix(entry1, entry2) 2 | local kind1 = entry1:get_kind() 3 | local kind2 = entry2:get_kind() 4 | -- if one of them is nil, compare is pointless 5 | if kind1 ~= kind2 then 6 | -- 15 is text 7 | if kind1 == 15 then 8 | return false 9 | end 10 | if kind2 == 15 then 11 | return true 12 | end 13 | end 14 | end 15 | 16 | local function deprioritize_common_traits(entry1, entry2) 17 | local function is_common_trait(entry) 18 | local label = entry.completion_item.label 19 | if label == nil then 20 | return false 21 | end 22 | -- find `(as Trait)` in the label 23 | local trait = label:match "%(as ([^)]+)%)" 24 | if trait == nil then 25 | return false 26 | end 27 | return vim 28 | .iter({ 29 | "Clone", 30 | "Copy", 31 | "Deref", 32 | "DerefMut", 33 | "Borrow", 34 | "BorrowMut", 35 | "Drop", 36 | "ToString", 37 | "ToOwned", 38 | "PartialEq", 39 | "PartialOrd", 40 | "AsRef", 41 | "AsMut", 42 | "From", 43 | "Into", 44 | "TryFrom", 45 | "TryInto", 46 | "Default", 47 | }) 48 | :find(function(x) 49 | return x == trait 50 | end) ~= nil 51 | end 52 | local is_common_1 = is_common_trait(entry1) 53 | local is_common_2 = is_common_trait(entry2) 54 | if is_common_1 ~= is_common_2 then 55 | return not is_common_1 56 | end 57 | end 58 | 59 | local function deprioritize_borrow(entry1, entry2) 60 | local function has_borrow(entry) 61 | local label = entry.completion_item.label 62 | if label == nil then 63 | return false 64 | end 65 | -- find `(use ...)` in the label 66 | return label:match "%(use %a+::borrow::Borrow" ~= nil 67 | end 68 | local use1 = has_borrow(entry1) 69 | local use2 = has_borrow(entry2) 70 | if use1 ~= use2 then 71 | return not use1 72 | end 73 | end 74 | 75 | local function deprioritize_deref(entry1, entry2) 76 | local function has_deref(entry) 77 | local label = entry.completion_item.label 78 | if label == nil then 79 | return false 80 | end 81 | return label:match "Deref" ~= nil 82 | end 83 | local use1 = has_deref(entry1) 84 | local use2 = has_deref(entry2) 85 | if use1 ~= use2 then 86 | return not use1 87 | end 88 | end 89 | 90 | return { 91 | deprioritize_postfix = deprioritize_postfix, 92 | deprioritize_common_traits = deprioritize_common_traits, 93 | deprioritize_borrow = deprioritize_borrow, 94 | deprioritize_deref = deprioritize_deref, 95 | } 96 | --------------------------------------------------------------------------------