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gffranco 4d461d2425 phase 8: navigation — definition, refs, hover, completion, ws/symbol
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P8 resolved (SPEC §11): lazy + background indexing with progress.
Initial scan runs in a tokio task spawned from `initialized`; the
server stays responsive immediately and nav features answer with
partial data until the index is complete.

WorkspaceIndex (`index.rs`):
- Per-URI `IndexedPage` keeps name, title, headings, outgoing links.
- Reverse maps: `pages_by_name`, `backlinks: HashMap<page, …>`.
- `upsert` scrubs stale entries first so re-parses don't leak.
- `resolve` handles Wiki + AnchorOnly link kinds against the index;
  other kinds (Interwiki/Diary/File/Local/Raw) fall through.
- `slugify` for anchors (lowercases, collapses runs, drops trailing
  dashes, preserves Unicode), `page_name_from_uri` for workspace-
  rooted names, `walk_wiki_files` for the background scanner.

Backend wiring (`lib.rs`):
- `initialize` captures workspace root from `workspaceFolders` or the
  deprecated `root_uri`; advertises definition/references/hover/
  completion (trigger `[`)/workspace_symbol providers.
- `initialized` spawns the indexer, wrapped in
  `window/workDoneProgress` begin/end notifications.
- `did_open`/`did_change` synchronously update the index alongside
  publishing diagnostics; `did_close` keeps the indexed projection
  (file may still exist on disk and other pages link to it) and
  only clears diagnostics + drops the live document state.

Position lookup (`nav.rs`):
- `lsp_to_byte_pos` translates between LSP encoding (UTF-8 or
  UTF-16) and our byte columns.
- `find_inline_at` descends blocks → inlines → inline containers,
  returning the most specific inline whose span covers the cursor.

Handlers:
- definition: wikilinks resolve to a target URI; anchored links
  return the range at the matching heading.
- references: backlinks of the cursor's link target, or of the
  current page when the cursor isn't on a link. Ranges fall back
  to byte-column LSP positions when the source doc isn't open.
- hover: markdown preview with page title + outline (first 8
  headings), or a "not in index" fallback.
- completion: fires only inside an unterminated `[[ … ` on the
  current line; suggests every indexed page name.
- workspace/symbol: case-insensitive substring over every indexed
  heading.

Tests (20 new): slugify (basic / punctuation / Unicode / trailing
dash), page-name derivation under various roots, upsert / replace /
remove, resolve for Wiki + AnchorOnly, sorted `page_names`, UTF-8
passthrough + UTF-16 conversion, position lookup hits and misses.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
 2026-05-11 00:27:06 +00:00
gffranco 6efe154f1a phase 7: semantic tokens for syntax highlighting
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`textDocument/semanticTokens/full` + `/range` per SPEC §6.9. Token
type scheme settled in P7: custom `vimwiki*` types
(`vimwikiHeading`, `vimwikiBold`, `vimwikiCodeBlock`, `vimwikiKeyword`,
`vimwikiWikilink`, `vimwikiTransclusion`, …) plus `level1`..`level6`
and `centered` modifiers. Default highlight groups for these arrive
in Phase 9.

Pipeline (`semantic_tokens.rs`):

- `legend()` builds the `SemanticTokensLegend` advertised in
  `initialize` capabilities.
- `LineIndex` precomputes byte offsets per line so multi-line span
  splitting and UTF-16 conversion stay linear.
- `collect_tokens` walks the AST. Blocks that are visually distinct
  (heading, preformatted, math-block, comment) emit one token over
  their span; multi-line ones get split per line because the LSP wire
  format can't represent a token that crosses a newline. Container
  blocks (paragraph, list item, table cell, blockquote) recurse into
  inlines instead of wrapping them, so we end up with a non-overlapping
  tile of inline tokens. Headings shadow nested inlines (one heading
  token covers the line, no Bold-inside-Heading).
- `encode` produces the LSP delta-quintuple stream
  `(deltaLine, deltaStart, length, type, mods)`. UTF-16 mode converts
  byte offsets/lengths to code-unit counts on the fly (BMP + surrogate
  pairs).
- `build_data` is the entry point used by both handlers; the `range`
  variant filters tokens by overlap in the same encoding the client
  requested.

Capability declared as `SemanticTokensOptions { full = true,
range = true, legend = … }`. Both handlers reuse the document store.

P7 resolved in SPEC §11 — custom vimwiki types with rationale and a
note that Phase 9 will ship default highlight-group definitions in
`syntax/nuwiki.vim` and the Lua glue.

Tests (21 new): legend integrity, per-construct emission for every
inline + block kind, heading shadowing of inner inlines, multi-line
code/math block splitting, sort order, delta encoding (same line and
crossing lines), UTF-16 length conversion for é, range filter,
empty-doc edge case, end-to-end `build_data` parity.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
 2026-05-10 21:14:01 +00:00
gffranco c44db37bab phase 6: LSP foundation — didOpen/didChange, diagnostics, outline
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`tower-lsp` server (`nuwiki-lsp::run` + `run_stdio`) wired up by the
`nuwiki-ls` binary. Backend holds an `Arc<DashMap<Url, DocumentState>>`
per SPEC §6.10 plus an `Arc<SyntaxRegistry>` pre-loaded with
`VimwikiSyntax`. Re-parse is full per change; incremental parsing
deferred post-v1 per spec.

Capabilities declared:
- `text_document_sync = FULL`
- `document_symbol_provider = true`
- `position_encoding = UTF-8` when the client opts into LSP 3.17+
  encodings (SPEC §6.11). Otherwise we keep the legacy UTF-16 default
  and translate spans through a per-line UTF-16 code-unit walk that
  handles BMP and surrogate pairs alike.

Handlers: `initialize` (negotiate encoding), `initialized` (log it),
`shutdown`, `did_open` / `did_change` (full re-parse +
`publishDiagnostics`), `did_close` (drop state, clear diagnostics),
`document_symbol` (nested outline).

Diagnostics: every `BlockNode::Error` (from §6.7's resilient parser)
emits one `DiagnosticSeverity::ERROR` with `source = "nuwiki"`. The
walker descends into Blockquotes and ListItems so errors nested inside
those don't slip through.

Document outline: nested `DocumentSymbol` tree built recursively from
heading levels (`= H1 =` → root, `== H2 ==` → child of preceding H1,
etc.). Titles flatten inline markers via `inline_to_text` so
`*world*` shows up as `world` in the outline.

Pure helpers (`to_lsp_position`, `to_lsp_range`, `ast_diagnostics`,
`headings_to_symbols`) are `pub` so the integration tests can verify
conversion correctness without spinning up the async server. End-to-
end LSP message exercises will land in Phase 8 alongside navigation.

Tests (11): UTF-8 passthrough, UTF-16 conversion for é + 🦀, single
and multi-error diagnostic emission, blockquote descent, flat outline,
nested outline by levels, inline-marker stripping in titles, empty-
heading fallback, registry-dispatch parity.

Dep pin: `idna_adapter` held at 1.2.0 — 1.2.2 needs Cargo's
edition2024 feature (Rust 1.85), our MSRV is 1.83.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
 2026-05-10 19:44:44 +00:00