A secondary GUI window shared the primary's buffer vector but attached
buffers through its own SwapManager. Closing the window destroyed that
manager while buffers still held its recorders, so the next edit called
into freed memory; Rehome through the wrong manager also dropped
journaling for the primary's buffers.
Audit finding M3.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_015rcVQiiWyTzoNrsvLSaAfB
Undo/redo:
- cmd_newline recorded the undo node's position after the cursor moved past
the split point, so undoing Enter joined the wrong pair of lines.
- Backspace/Delete line-joins recorded UndoType::Newline, whose apply()
semantics are inverted for a join (forward=split); add UndoType::JoinLines
with correct forward/backward behavior.
- Regex replace-all, indent/unindent region, kill-to-eol, kill-line,
kill-region, and delete-word-prev/next mutated the buffer via the
no-undo-recording raw APIs; they now record undo, grouped atomically via a
shared UndoGroupGuard.
- Plain-text replace-all with an empty replacement advanced the scan
position one character too far, skipping adjacent/overlapping matches.
Crash recovery / memory safety:
- Buffer's move ctor/assignment never carried over swap_rec_,
on_disk_identity_, or the visual-line-mode fields, so the crash-recovery
journal silently stopped tracking a buffer whenever Editor's
std::vector<Buffer> reallocated or shifted (e.g. opening/closing files).
Added SwapManager::Rehome() plus Flush()-before-mutate in
Editor::AddBuffer/CloseBuffer so the journal's Buffer* key and the
background writer thread never reference a stale address.
- UndoTree leaked its entire node graph (including all edit text) on every
buffer close/reload; added ~UndoTree() to free it.
- main.cc didn't restore the terminal if an exception escaped the run loop;
added an RAII guard around Frontend::Shutdown().
Input handling:
- Terminal frontend used getch() instead of get_wch(), silently dropping
non-ASCII keyboard input despite linking wide-char ncurses.
- KKeymap's C-k lookup switches on an already-lowercased key, making
`case 'E'` unreachable dead code; C-k Shift-E silently aliased to C-k e.
- ImGui file picker wasn't modal: keystrokes typed while it was open still
reached the buffer underneath as edit commands, and Escape didn't close it.
- Gated ImGuiInputHandler's unconditional fprintf/fflush diagnostics behind
an IMGUI_IH_DEBUG macro, matching QtInputHandler's existing convention.
Syntax highlighting:
- Go/Rust/SQL highlighters weren't stateful, so multi-line /* */ comments
mis-highlighted as code starting on the second line.
- Python's triple-quoted-string handler didn't re-scan the remainder of a
line after a string closed mid-line, missing a same-line reopen.
- HighlighterEngine's state_last_contig_ field was declared but unused,
forcing an O(n) scan of state_cache_ on every stateful lookup; wired it up
as a real fast path and fixed InvalidateFrom() to keep it in sync.
- kge's :syntax off was silently undone the next frame because
apply_syntax_to_buffer() re-applied the config default unconditionally
every frame; added a user-override flag mirroring the existing
edit-mode-detection guard.
Added regression tests for all of the above (test_undo.cc, test_kkeymap.cc,
test_command_semantics.cc, test_search_replace_flow.cc, and a new
test_syntax_highlighting.cc). Full suite (163 tests) passes, including under
AddressSanitizer.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Multi-window:
- Per-window ImGui contexts (fixes input, scroll, and rendering isolation)
- Per-instance scroll and mouse state in ImGuiRenderer (no more statics)
- Proper GL context activation during window destruction
- ValidateBufferIndex guards against stale curbuf_ across shared buffers
- Editor methods (CurrentBuffer, SwitchTo, CloseBuffer, etc.) use Buffers()
accessor to respect shared buffer lists
- New windows open with an untitled buffer
- Scratch buffer reuse works in secondary windows
- CMD-w on macOS closes only the focused window
- Deferred new-window creation to avoid mid-frame ImGui context corruption
Swap file cleanup:
- SaveAs prompt handler now calls ResetJournal
- cmd_save_and_quit now calls ResetJournal
- Editor::Reset detaches all buffers before clearing
- Tests for save-and-quit and editor-reset swap cleanup
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Add benchmarks for core operations, migration edge case tests, improved
buffer I/O tests, and developer guide
- Introduced `test_benchmarks.cc` for performance benchmarking of key
operations in `PieceTable` and `Buffer`, including syntax highlighting
and iteration patterns.
- Added `test_migration_coverage.cc` to provide comprehensive tests for
migration of `Buffer::Rows()` to `PieceTable` APIs, with edge cases,
boundary handling, and consistency checks.
- Enhanced `test_buffer_io.cc` with additional cases for save/load
workflows, file handling, and better integration with the core API.
- Documented architectural details and core concepts in a new
`DEVELOPER_GUIDE.md`. Highlighted design principles, code
organization, and contribution workflows.
- Added `test_swap_git_editor.cc` to verify proper swap file cleanup during Git editor workflows. Ensures no stale swap files are left after editor closure.
- Updated swap handling logic in `Editor.cc` to always remove swap files on buffer closure during normal exit, preventing accumulation of leftover files.
- Bumped version to 1.6.5 in `CMakeLists.txt`.
- Added detailed journaling system (`SwapManager`) for crash recovery, including edit recording and replay.
- Integrated recovery prompts for handling swap files during file open flows.
- Implemented swap file cleanup, checkpointing, and compaction mechanisms.
- Added extensive unit tests for swap-related behaviors such as recovery prompts, file pruning, and corruption handling.
- Updated CMake to include new test files.
- Introduced SwapManager for sidecar journaling of buffer mutations, with a safe recovery mechanism.
- Added group undo/redo functionality, allowing atomic grouping of related edits.
- Implemented `SwapRecorder` and integrated it as a callback interface for mutations.
- Added unit tests for swap journaling (save/load/replay) and undo grouping.
- Refactored undo to support group tracking and ID management.
- Updated CMake to include the new tests and swap journaling logic.
- Introduced comprehensive tests:
- `test_buffer_open_nonexistent_save.cc`: Save after opening a non-existent file.
- `test_buffer_save.cc`: Save buffer contents to disk.
- `test_buffer_save_existing.cc`: Save after opening existing files.
- Implemented `PieceTable::WriteToStream()` to directly stream content without full materialization.
- Updated `Buffer::Save` and `Buffer::SaveAs` to use efficient streaming via `PieceTable`.
- Enhanced editing commands (`Insert`, `Delete`, `Replace`, etc.) to use PieceTable APIs, ensuring proper undo and save functionality.
Release / Bump Homebrew formula (push) Has been cancelled
Release / Build Linux amd64 (push) Has been cancelled
Release / Build Linux arm64 (push) Has been cancelled
Release / Build macOS arm64 (.app) (push) Has been cancelled
Release / Create GitHub Release (push) Has been cancelled
- Implemented runtime API for registering custom highlighters.
- Added optional Tree-sitter integration for advanced syntax parsing (disabled by default).
- Updated buffer initialization and copying to support dynamic highlighter configuration.
- Introduced `NullHighlighter` as a fallback for unsupported filetypes.
- Enhanced CMake configuration with `KTE_ENABLE_TREESITTER` option.
- Introduced `HighlighterRegistry` with support for multiple language highlighters (e.g., JSON, Markdown, Python).
- Added `JsonHighlighter` implementation for basic JSON syntax highlighting.
- Add visual file picker for GUI with toggle support.
- Introduce `GUIConfig` class for loading GUI settings from configuration file.
- Refactor window initialization to support dynamic sizing based on configuration.
- Add macOS-specific handling for fullscreen behavior.
- Improve header inclusion order and minor code cleanup.
- Normalize path handling for buffer operations, supporting tilde expansion and absolute paths.
- Introduce `DisplayNameFor` to uniquely resolve buffer display names, minimizing filename clashes.
- Add new commands: `ShowWorkingDirectory` and `ChangeWorkingDirectory`.
- Refine keybindings and enhance existing commands for improved command flow.
- Adjust GUI and terminal renderers to display total line counts alongside filenames.
- Update coding style to align with project guidelines.
Claude
kyleandClaude Sonnet 5