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feat: add Phase 1 Language Host with tree-sitter features #240

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Merged
j4rviscmd merged 1 commit into from
Jul 25, 2026
Merged

feat: add Phase 1 Language Host with tree-sitter features #240

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4 changes: 2 additions & 2 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -80,8 +80,8 @@ Settings unique to Coderm that are not available in upstream VS Code.
| `coderm.workbench.editor.separateTerminalEditors` | `boolean` | `true` | Never mix terminal and text editors in one group; Quick Open and other default open paths route to an existing same-type group (or a new one) instead of mixing |
| `coderm.workbench.editor.singleTerminalEditorPerGroup` | `boolean` | `true` | Limit each editor group to a single terminal editor; opening a new terminal routes to an empty group (or creates one) instead of adding a tab to an existing terminal group |
| `coderm.workbench.editor.disableGroupLock` | `boolean` | `true` | Completely disable the editor group lock feature — groups can never be locked (automatically or manually) and always behave as unlocked |
| `coderm.languageHost.enabled` | `boolean` | `false` | _(experimental)_ Enable the native Language Host process (Phase 0: runs a self-test only; no language features yet) |
| `coderm.languageHost.languages` | `array` | `[]` | _(experimental)_ Reserved for language IDs to handle in the native host |
| `coderm.languageHost.enabled` | `boolean` | `false` | _(experimental)_ Enable the native (Rust) Language Host. Provides tree-sitter-backed documentSymbol and foldingRange for the configured languages (Phase 1) |
| `coderm.languageHost.languages` | `array` | `[]` | _(experimental)_ Language IDs handled by the native host (e.g. "typescript", "tsx"). Empty keeps the feature inert |

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190 changes: 190 additions & 0 deletions rust/Cargo.lock
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9 changes: 8 additions & 1 deletion rust/crates/language-host/Cargo.toml
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Expand Up @@ -8,5 +8,12 @@ license.workspace = true
name = "coderm-language-host"
path = "src/main.rs"

# Phase 0: no dependencies. FlatBuffers will be added back in Phase 1 (main-process side).
# Phase 1: tree-sitter + tree-sitter-typescript for language features
# (documentSymbol, foldingRange). serde for JSON (de)serialization of protocol messages.
# Note: tree-sitter-typescript has no 0.22 release on crates.io; 0.23.x is the baseline that
# matches tree-sitter 0.23, so both crates are pinned to 0.23 here.
[dependencies]
tree-sitter = "0.23"
tree-sitter-typescript = "0.23"
serde = { version = "1.0", features = ["derive"] }
serde_json = "1.0"
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