zls/tests/lsp_features/semantic_tokens.zig

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const std = @import("std");
const zls = @import("zls");
const builtin = @import("builtin");
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const Context = @import("../context.zig").Context;
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const types = zls.types;
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const allocator: std.mem.Allocator = std.testing.allocator;
test "semantic tokens - empty" {
try testSemanticTokens("", &.{});
}
test "semantic tokens" {
try testSemanticTokens(
\\const std = @import("std");
,
&.{ 0, 0, 5, 7, 0, 0, 6, 3, 0, 33, 0, 4, 1, 11, 0, 0, 2, 7, 12, 0, 0, 8, 5, 9, 0 },
);
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// TODO more tests
}
test "semantic tokens - comments" {
try testSemanticTokens(
\\//!─
,
&.{ 0, 0, 4, 8, 128 },
);
// TODO more tests
}
test "semantic tokens - string literals" {
// https://github.com/zigtools/zls/issues/921
try testSemanticTokens(
\\"
\\"",//
\\"":
,
// no idea if this output is correct but at least it doesn't crash
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&.{ 1, 3, 3, 8, 0, 1, 0, 2, 9, 0 },
);
}
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fn testSemanticTokens(source: []const u8, expected: []const u32) !void {
var ctx = try Context.init();
defer ctx.deinit();
const file_uri = try ctx.addDocument(source);
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const Response = struct {
data: []const u32,
};
const expected_bytes = try std.json.stringifyAlloc(allocator, Response{ .data = expected }, .{});
defer allocator.free(expected_bytes);
const params = try std.json.stringifyAlloc(allocator, .{ .textDocument = .{ .uri = file_uri } }, .{});
defer allocator.free(params);
try ctx.request(
"textDocument/semanticTokens/full",
params,
expected_bytes,
);
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}