From 9c26939f75be8057d8880689292a729e8d8c9306 Mon Sep 17 00:00:00 2001 From: Stephan Seitz Date: Wed, 5 Jan 2022 19:23:00 +0100 Subject: perf(treesitter): cache query parsing --- test/functional/treesitter/parser_spec.lua | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'test') diff --git a/test/functional/treesitter/parser_spec.lua b/test/functional/treesitter/parser_spec.lua index 911fa017ab..44a7f00d8b 100644 --- a/test/functional/treesitter/parser_spec.lua +++ b/test/functional/treesitter/parser_spec.lua @@ -167,6 +167,27 @@ void ui_refresh(void) eq('variable', ret) end) + it("supports caching queries", function() + local long_query = query:rep(100) + local first_run = exec_lua ([[ + local before = vim.loop.hrtime() + cquery = vim.treesitter.parse_query("c", ...) + local after = vim.loop.hrtime() + return after - before + ]], long_query) + + local subsequent_runs = exec_lua ([[ + local before = vim.loop.hrtime() + for i=1,100,1 do + cquery = vim.treesitter.parse_query("c", ...) + end + local after = vim.loop.hrtime() + return after - before + ]], long_query) + + assert.True(1000 * subsequent_runs < first_run) + end) + it('support query and iter by capture', function() insert(test_text) -- cgit