89 lines
2.8 KiB
Nix
89 lines
2.8 KiB
Nix
{ lib, pkgs }:
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let
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mkSnippet = prefix: description: body: mkSnippet' prefix description body { };
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mkSnippet' = prefix: description: body: { autotrigger ? false }: {
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inherit prefix description body;
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luasnip = {
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inherit autotrigger;
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};
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};
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snippets = {
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nix = {
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Sha256Dummy = mkSnippet "sha256" "Dummy SHA256 hash" "sha256 = \"0000000000000000000000000000000000000000000000000000\";";
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} // (lib.mapAttrs
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(name: _:
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let
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upperName = (lib.toUpper (builtins.substring 0 1 name))
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+ (builtins.substring 1 (builtins.stringLength name - 1) name);
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in
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mkSnippet "${name}Phase" "${name}Phase skeleton" ''
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runHook pre${upperName}
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$1
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runHook post${upperName}'')
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(builtins.listToAttrs
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(map
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(name: lib.nameValuePair name { })
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[ "unpack" "configure" "build" "install" ])));
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rust = {
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DisplayTrait = mkSnippet "disp" "Display trait implentation" ''
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impl fmt::Display for ''${1:Struct} {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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write!(f, "$2", $3)
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}
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}$0'';
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};
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tex = {
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Section = mkSnippet "s" "Section" ''
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\section{$1}
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'';
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SubSection = mkSnippet "ss" "Subsection" ''
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\subsection{$1}
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'';
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SubSubSection = mkSnippet "sss" "Subsubsection" ''
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\subsubsection{$1}
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'';
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# Math
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QuadraticFormula = mkSnippet
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"qf"
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"Quadratic formula (user is responsible for parentheses)"
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''\frac{-''${2:b} \pm \sqrt{$2^2 - 4 \cdot ''${1:a} \cdot ''${3:c}}}{2 \cdot $1}$0'';
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AlignedEnv = mkSnippet "aligned" "aligned environment (in math mode)" ''
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\begin{aligned}
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$1 &= $0 \\\\
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\end{aligned}'';
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SiUnit = mkSnippet
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"si"
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"Insert SI unit (only works with simple numbers)"
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''\SI{''${1:amount}}{''${2:unit}}'';
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MultiplicationSign = mkSnippet' "·" "Insert multiplication sign" ''\cdot $0'' { autotrigger = true; };
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Fraction = mkSnippet' "//" "Fraction" ''\frac{$1}{$2}$0'' { autotrigger = true; };
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};
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};
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snippetsIndex = pkgs.writeTextDir "package.json" (builtins.toJSON {
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contributes.snippets = lib.mapAttrs
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(id: language: { inherit language; path = "./snippets/${id}.json"; })
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{
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nix = [ "nix" ];
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rust = [ "rust" ];
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tex = [ "tex" ];
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};
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});
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snippetsDir = pkgs.symlinkJoin {
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name = "luasnip-snippets";
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paths = (lib.mapAttrsToList
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(ft: content: pkgs.writeTextDir "snippets/${ft}.json" (builtins.toJSON content))
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snippets) ++ (lib.singleton snippetsIndex);
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};
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in
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pkgs.writeText "snippets.lua" ''
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require("luasnip/loaders/from_vscode").load({ paths = { '${snippetsDir}' } })
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require("luasnip/loaders/from_vscode").lazy_load() -- other snippets
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''
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