Highlight exact source occurrences in LSP references and goto results

1 files changed, 44 insertions, 0 deletions

diff --git a/test/output.zig b/test/output.zig
index 722f2e44..ede8e7dd 100644
--- a/test/output.zig
+++ b/test/output.zig
@@ -1337,3 +1337,47 @@ test "declaration context ellipses mark only final header lines before omitted s
         }
     }
 }
+
+test "LSP occurrence tint follows the supplied source span through context" {
+    const snippet = "\tfoo + 界 + foo;";
+    const text = "const Box = struct {\n    fn run() void {\n" ++ snippet ++ "\n        foo();\n    }\n};\n";
+    for ([_]pardes.lsp.Kind{ .references, .definition }) |kind| {
+        const p = try Pardes.init(std.testing.allocator, .{ .tty_only = true, .cols = 160, .rows = 40 });
+        defer p.deinit();
+        const source = try p.setTestFile(text);
+        p.gpa.free(source.file.?.path);
+        source.file.?.path = try p.gpa.dupe(u8, "/occurrence.zig");
+        p.locations_config = .{ .context = 1, .tscontext = true };
+        p.presentation.enabled = false;
+        var input: std.Io.Writer.Allocating = .init(p.gpa);
+        defer input.deinit();
+        const start = std.mem.lastIndexOf(u8, snippet, "foo").?;
+        try pardes.lsp.sourceSpanRow(&input.writer, source.file.?.path, 2, start, 2, start + 3, snippet);
+        try panes.Output.fillResults(p, 0, "/", .{ .query = kind }, "", try input.toOwnedSlice(), 0);
+        const id = source.search_pane.?;
+        const file = &p.panes[id].?.file.?;
+        var matches: usize = 0;
+        for (file.location_rows, 0..) |row, index| {
+            if (row.kind != .match) continue;
+            const line = modal.lineSlice(file.content, index);
+            try std.testing.expectEqualStrings(snippet, line[row.code_start..]);
+            try std.testing.expectEqual(start + 1, row.at.col);
+            try std.testing.expectEqual(start + 3, row.at.end_col);
+            matches += 1;
+        }
+        try std.testing.expectEqual(@as(usize, 1), matches);
+        pardes.layout.compute(p);
+        var frame = std.heap.ArenaAllocator.init(p.gpa);
+        defer frame.deinit();
+        const surface = try p.render(frame.allocator());
+        const chrome = pardes.ChromeTheme.fromTheme(p.theme());
+        var marked: usize = 0;
+        for (surface.cells) |cell| {
+            if (!std.meta.eql(cell.style.bg, pardes.Color{ .rgb = chrome.search_bg })) continue;
+            try std.testing.expect(cell.text[0] == 'f' or cell.text[0] == 'o');
+            marked += 1;
+        }
+        try std.testing.expectEqual(@as(usize, 3), marked);
+        try std.testing.expectEqualStrings(text, source.file.?.content);
+    }
+}