149 lines
13 KiB
Zig
149 lines
13 KiB
Zig
const std = @import("std");
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const headerPkg = @import("header");
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const suffix = if (std.builtin.os.tag == .windows) ".exe" else "";
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const allocator = std.heap.page_allocator;
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const initialize_message = \\{"jsonrpc":"2.0","id":0,"method":"initialize","params":{"processId":6896,"clientInfo":{"name":"vscode","version":"1.46.1"},"rootPath":null,"rootUri":null,"capabilities":{"workspace":{"applyEdit":true,"workspaceEdit":{"documentChanges":true,"resourceOperations":["create","rename","delete"],"failureHandling":"textOnlyTransactional"},"didChangeConfiguration":{"dynamicRegistration":true},"didChangeWatchedFiles":{"dynamicRegistration":true},"symbol":{"dynamicRegistration":true,"symbolKind":{"valueSet":[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26]},"tagSupport":{"valueSet":[1]}},"executeCommand":{"dynamicRegistration":true},"configuration":true,"workspaceFolders":true},"textDocument":{"publishDiagnostics":{"relatedInformation":true,"versionSupport":false,"tagSupport":{"valueSet":[1,2]},"complexDiagnosticCodeSupport":true},"synchronization":{"dynamicRegistration":true,"willSave":true,"willSaveWaitUntil":true,"didSave":true},"completion":{"dynamicRegistration":true,"contextSupport":true,"completionItem":{"snippetSupport":true,"commitCharactersSupport":true,"documentationFormat":["markdown","plaintext"],"deprecatedSupport":true,"preselectSupport":true,"tagSupport":{"valueSet":[1]},"insertReplaceSupport":true},"completionItemKind":{"valueSet":[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25]}},"hover":{"dynamicRegistration":true,"contentFormat":["markdown","plaintext"]},"signatureHelp":{"dynamicRegistration":true,"signatureInformation":{"documentationFormat":["markdown","plaintext"],"parameterInformation":{"labelOffsetSupport":true}},"contextSupport":true},"definition":{"dynamicRegistration":true,"linkSupport":true},"references":{"dynamicRegistration":true},"documentHighlight":{"dynamicRegistration":true},"documentSymbol":{"dynamicRegistration":true,"symbolKind":{"valueSet":[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26]},"hierarchicalDocumentSymbolSupport":true,"tagSupport":{"valueSet":[1]}},"codeAction":{"dynamicRegistration":true,"isPreferredSupport":true,"codeActionLiteralSupport":{"codeActionKind":{"valueSet":["","quickfix","refactor","refactor.extract","refactor.inline","refactor.rewrite","source","source.organizeImports"]}}},"codeLens":{"dynamicRegistration":true},"formatting":{"dynamicRegistration":true},"rangeFormatting":{"dynamicRegistration":true},"onTypeFormatting":{"dynamicRegistration":true},"rename":{"dynamicRegistration":true,"prepareSupport":true},"documentLink":{"dynamicRegistration":true,"tooltipSupport":true},"typeDefinition":{"dynamicRegistration":true,"linkSupport":true},"implementation":{"dynamicRegistration":true,"linkSupport":true},"colorProvider":{"dynamicRegistration":true},"foldingRange":{"dynamicRegistration":true,"rangeLimit":5000,"lineFoldingOnly":true},"declaration":{"dynamicRegistration":true,"linkSupport":true},"selectionRange":{"dynamicRegistration":true},"semanticTokens":{"dynamicRegistration":true,"tokenTypes":["comment","keyword","number","regexp","operator","namespace","type","struct","class","interface","enum","typeParameter","function","member","macro","variable","parameter","property","label"],"tokenModifiers":["declaration","documentation","static","abstract","deprecated","readonly"]}},"window":{"workDoneProgress":true}},"trace":"off","workspaceFolders":[{"uri":"file://./tests", "name":"root"}]}}
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;
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const initialized_message = \\{"jsonrpc":"2.0","method":"initialized","params":{}}
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;
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const shutdown_message = \\{"jsonrpc":"2.0", "id":"STDWN", "method":"shutdown","params":{}}
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;
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fn sendRequest(req: []const u8, process: *std.ChildProcess) !void {
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try process.stdin.?.writer().print("Content-Length: {}\r\n\r\n", .{req.len});
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try process.stdin.?.writeAll(req);
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}
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fn readResponses(process: *std.ChildProcess, expected_responses: anytype) !void {
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var seen = std.mem.zeroes([expected_responses.len]bool);
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while (true) {
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const header = headerPkg.readRequestHeader(allocator, process.stdout.?.reader()) catch |err| {
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switch(err) {
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error.EndOfStream => break,
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else => return err,
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}
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};
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defer header.deinit(allocator);
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var stdout_mem = try allocator.alloc(u8, header.content_length);
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defer allocator.free(stdout_mem);
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const stdout_bytes = stdout_mem[0..try process.stdout.?.reader().readAll(stdout_mem)];
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inline for (expected_responses) |resp, idx| {
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if (std.mem.eql(u8, resp, stdout_bytes)) {
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if (seen[idx]) @panic("Expected response already received.");
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seen[idx] = true;
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}
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}
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std.debug.print("GOT MESSAGE: {}\n", .{stdout_bytes});
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}
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comptime var idx = 0;
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inline while (idx < expected_responses.len) : (idx += 1) {
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if (!seen[idx]) {
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std.debug.print("Response `{}` not received.", .{expected_responses[idx]});
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return error.ExpectedResponse;
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}
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}
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}
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fn startZls() !*std.ChildProcess {
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var process = try std.ChildProcess.init(&[_][]const u8{ "zig-cache/bin/zls" ++ suffix }, allocator);
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process.stdin_behavior = .Pipe;
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process.stdout_behavior = .Pipe;
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process.stderr_behavior = std.ChildProcess.StdIo.Inherit;
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process.spawn() catch |err| {
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std.log.debug("Failed to spawn zls process, error: {}\n", .{err});
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return err;
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};
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return process;
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}
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fn waitNoError(process: *std.ChildProcess) !void {
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const result = try process.wait();
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switch (result) {
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.Exited => |code| if (code == 0) {
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return;
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},
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else => {},
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}
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return error.ShutdownWithError;
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}
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fn consumeOutputAndWait(process: *std.ChildProcess, expected_responses: anytype) !void {
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process.stdin.?.close();
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process.stdin = null;
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try readResponses(process, expected_responses);
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try waitNoError(process);
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process.deinit();
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}
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test "Open file, ask for semantic tokens" {
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var process = try startZls();
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try sendRequest(initialize_message, process);
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try sendRequest(initialized_message, process);
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const new_file_req = \\{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"file://./tests/test.zig","languageId":"zig","version":420,"text":"const std = @import(\"std\");"}}}
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;
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try sendRequest(new_file_req, process);
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const sem_toks_req = \\{"jsonrpc":"2.0","id":2,"method":"textDocument/semanticTokens/full","params":{"textDocument":{"uri":"file://./tests/test.zig"}}}
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;
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try sendRequest(sem_toks_req, process);
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try sendRequest(shutdown_message, process);
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try consumeOutputAndWait(process, .{
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\\{"jsonrpc":"2.0","id":2,"result":{"data":[0,0,5,12,0,0,6,3,0,1,0,4,1,16,0,0,2,7,17,0,0,8,5,14,0]}}
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});
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}
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test "Requesting a completion in an empty file" {
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var process = try startZls();
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try sendRequest(initialize_message, process);
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try sendRequest(initialized_message, process);
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const new_file_req = \\{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"file:///test.zig","languageId":"zig","version":420,"text":""}}}
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;
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try sendRequest(new_file_req, process);
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const completion_req = \\{"jsonrpc":"2.0","id":2,"method":"textDocument/completion","params":{"textDocument":{"uri":"file:///test.zig"}, "position":{"line":0,"character":0}}}
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;
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try sendRequest(completion_req, process);
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try sendRequest(shutdown_message, process);
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try consumeOutputAndWait(process, .{});
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}
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test "Requesting a completion with no trailing whitespace" {
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var process = try startZls();
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try sendRequest(initialize_message, process);
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try sendRequest(initialized_message, process);
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const new_file_req = \\{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"file:///test.zig","languageId":"zig","version":420,"text":"const std = @import(\"std\");\nc"}}}
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;
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try sendRequest(new_file_req, process);
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const completion_req = \\{"jsonrpc":"2.0","id":2,"method":"textDocument/completion","params":{"textDocument":{"uri":"file:///test.zig"}, "position":{"line":1,"character":1}}}
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;
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try sendRequest(completion_req, process);
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try sendRequest(shutdown_message, process);
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try consumeOutputAndWait(process, .{
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\\{"jsonrpc":"2.0","id":2,"result":{"isIncomplete":false,"items":[]}}
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});
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}
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const initialize_message_offs = \\{"jsonrpc":"2.0","id":0,"method":"initialize","params":{"processId":6896,"clientInfo":{"name":"vscode","version":"1.46.1"},"rootPath":null,"rootUri":null,"capabilities":{"offsetEncoding":["utf-16", "utf-8"],"workspace":{"applyEdit":true,"workspaceEdit":{"documentChanges":true,"resourceOperations":["create","rename","delete"],"failureHandling":"textOnlyTransactional"},"didChangeConfiguration":{"dynamicRegistration":true},"didChangeWatchedFiles":{"dynamicRegistration":true},"symbol":{"dynamicRegistration":true,"symbolKind":{"valueSet":[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26]},"tagSupport":{"valueSet":[1]}},"executeCommand":{"dynamicRegistration":true},"configuration":true,"workspaceFolders":true},"textDocument":{"publishDiagnostics":{"relatedInformation":true,"versionSupport":false,"tagSupport":{"valueSet":[1,2]},"complexDiagnosticCodeSupport":true},"synchronization":{"dynamicRegistration":true,"willSave":true,"willSaveWaitUntil":true,"didSave":true},"completion":{"dynamicRegistration":true,"contextSupport":true,"completionItem":{"snippetSupport":true,"commitCharactersSupport":true,"documentationFormat":["markdown","plaintext"],"deprecatedSupport":true,"preselectSupport":true,"tagSupport":{"valueSet":[1]},"insertReplaceSupport":true},"completionItemKind":{"valueSet":[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25]}},"hover":{"dynamicRegistration":true,"contentFormat":["markdown","plaintext"]},"signatureHelp":{"dynamicRegistration":true,"signatureInformation":{"documentationFormat":["markdown","plaintext"],"parameterInformation":{"labelOffsetSupport":true}},"contextSupport":true},"definition":{"dynamicRegistration":true,"linkSupport":true},"references":{"dynamicRegistration":true},"documentHighlight":{"dynamicRegistration":true},"documentSymbol":{"dynamicRegistration":true,"symbolKind":{"valueSet":[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26]},"hierarchicalDocumentSymbolSupport":true,"tagSupport":{"valueSet":[1]}},"codeAction":{"dynamicRegistration":true,"isPreferredSupport":true,"codeActionLiteralSupport":{"codeActionKind":{"valueSet":["","quickfix","refactor","refactor.extract","refactor.inline","refactor.rewrite","source","source.organizeImports"]}}},"codeLens":{"dynamicRegistration":true},"formatting":{"dynamicRegistration":true},"rangeFormatting":{"dynamicRegistration":true},"onTypeFormatting":{"dynamicRegistration":true},"rename":{"dynamicRegistration":true,"prepareSupport":true},"documentLink":{"dynamicRegistration":true,"tooltipSupport":true},"typeDefinition":{"dynamicRegistration":true,"linkSupport":true},"implementation":{"dynamicRegistration":true,"linkSupport":true},"colorProvider":{"dynamicRegistration":true},"foldingRange":{"dynamicRegistration":true,"rangeLimit":5000,"lineFoldingOnly":true},"declaration":{"dynamicRegistration":true,"linkSupport":true},"selectionRange":{"dynamicRegistration":true},"semanticTokens":{"dynamicRegistration":true,"tokenTypes":["comment","keyword","number","regexp","operator","namespace","type","struct","class","interface","enum","typeParameter","function","member","macro","variable","parameter","property","label"],"tokenModifiers":["declaration","documentation","static","abstract","deprecated","readonly"]}},"window":{"workDoneProgress":true}},"trace":"off","workspaceFolders":null}}
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;
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test "Requesting utf-8 offset encoding" {
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var process = try startZls();
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try sendRequest(initialize_message_offs, process);
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try sendRequest(initialized_message, process);
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try sendRequest(shutdown_message, process);
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try consumeOutputAndWait(process, .{
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\\{"jsonrpc":"2.0","id":0,"result":{"offsetEncoding":"utf-8","capabilities":{"signatureHelpProvider":{"triggerCharacters":["(",","]},"textDocumentSync":1,"renameProvider":true,"completionProvider":{"resolveProvider":false,"triggerCharacters":[".",":","@"]},"documentHighlightProvider":false,"hoverProvider":true,"codeActionProvider":false,"declarationProvider":true,"definitionProvider":true,"typeDefinitionProvider":true,"implementationProvider":false,"referencesProvider":true,"documentSymbolProvider":true,"colorProvider":false,"documentFormattingProvider":true,"documentRangeFormattingProvider":false,"foldingRangeProvider":false,"selectionRangeProvider":false,"workspaceSymbolProvider":false,"rangeProvider":false,"documentProvider":true,"workspace":{"workspaceFolders":{"supported":true,"changeNotifications":true}},"semanticTokensProvider":{"documentProvider":true,"legend":{"tokenTypes":["namespace","type","struct","enum","union","opaque","parameter","variable","tagField","field","errorTag","function","keyword","comment","string","number","operator","builtin","label","keywordLiteral"],"tokenModifiers":["definition","async","documentation","generic"]}}},"serverInfo":{"name":"zls","version":"0.1.0"}}}
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});
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}
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