plugins/perfanno: add perfanno-nvim plugin

plugins/by-name/perfanno/default.nix

@@ -0,0 +1,41 @@
+{ lib, ... }:
+
+lib.nixvim.plugins.mkNeovimPlugin {
+  name = "perfanno";
+  packPathName = "perfanno.nvim";
+  package = "perfanno-nvim";
+  description = "NeoVim lua plugin that annotates source code with profiling information from perf, LuaJIT, or other profilers.";
+
+  maintainers = [ lib.maintainers.fredeb ];
+
+  settingsExample = {
+    line_highlights = lib.nixvim.nestedLiteralLua "require('perfanno.util').make_bg_highlights(nil, '#CC3300', 10)";
+    vt_highlight = lib.nixvim.nestedLiteralLua "require('perfanno.util').make_fg_highlight('#CC3300')";
+    formats = [
+      {
+        percent = true;
+        format = "%.2f%%";
+        minimum = 0.5;
+      }
+      {
+        percent = false;
+        format = "%d";
+        minimum = 1;
+      }
+    ];
+
+    annotate_after_load = true;
+    annotate_on_open = true;
+    telescope = {
+      enabled = lib.nixvim.nestedLiteralLua "pcall(require, 'telescope')";
+      annotate = true;
+    };
+
+    ts_function_patterns = {
+      default = [
+        "function"
+        "method"
+      ];
+    };
+  };
+}

tests/test-sources/plugins/by-name/perfanno/default.nix

@@ -0,0 +1,49 @@
+{
+  empty =
+    { pkgs, ... }:
+    {
+      plugins.perfanno.enable = !pkgs.stdenv.isDarwin;
+    };
+
+  example =
+    { pkgs, ... }:
+    {
+      plugins.perfanno = {
+        enable = !pkgs.stdenv.isDarwin;
+
+        settings = {
+          line_highlights.__raw = ''require("perfanno.util").make_bg_highlights(nil, "#CC3300", 10)'';
+          vt_highlight.__raw = ''require("perfanno.util").make_fg_highlight("#CC3300")'';
+          formats = [
+            {
+              percent = true;
+              format = "%.2f%%";
+              minimum = 0.5;
+            }
+            {
+              percent = false;
+              format = "%d";
+              minimum = 1;
+            }
+          ];
+
+          annotate_after_load = true;
+          annotate_on_open = true;
+          telescope = {
+            enabled.__raw = ''pcall(require, "telescope")'';
+            annotate = true;
+          };
+
+          ts_function_patterns = {
+            default = [
+              "function"
+              "method"
+            ];
+            weirdlang = [
+              "weirdfunc"
+            ];
+          };
+        };
+      };
+    };
+}