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Integrated Language Server (#10723)
# Description This commit integrates a language server into nushell so that IDEs don't have to convert CLI option back and forth. - fixes https://github.com/nushell/vscode-nushell-lang/issues/117 - fixes https://github.com/jokeyrhyme/nuls/issues/8 Tracking tasks - [x] [textDocument/hover](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_hover) -> `nu --ide-hover` - [x] [textDocument/completion](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_completion) -> `nu --ide-complete` - [x] [textDocument/definition](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_definition) -> `nu --ide-goto-def` - ~~[ ] [textDocument/didChange](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_didChange), [textDocument/didClose](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_didClose), and [textDocument/didOpen](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_didOpen)~~ (will be done in a follow-up PR) - ~~[ ] [textDocument/inlayHint](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_inlayHint) -> `nu --ide-check`~~ (will be done in a follow-up PR) - ~~[ ] [textDocument/publishDiagnostics](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_publishDiagnostics) -> `nu --ide-check`~~ (will be done in a follow-up PR) - ~~[ ] [workspace/configuration](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#workspace_configuration)~~ (will be done in a follow-up PR) - ~~[ ] [workspace/didChangeConfiguration](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#workspace_didChangeConfiguration)~~ (will be done in a follow-up PR) # User-Facing Changes The command line options `--lsp` will start a LSP server. # Tests + Formatting <!-- Don't forget to add tests that cover your changes. Make sure you've run and fixed any issues with these commands: - `cargo fmt --all -- --check` to check standard code formatting (`cargo fmt --all` applies these changes) - `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used` to check that you're using the standard code style - `cargo test --workspace` to check that all tests pass (on Windows make sure to [enable developer mode](https://learn.microsoft.com/en-us/windows/apps/get-started/developer-mode-features-and-debugging)) - `cargo run -- -c "use std testing; testing run-tests --path crates/nu-std"` to run the tests for the standard library > **Note** > from `nushell` you can also use the `toolkit` as follows > ```bash > use toolkit.nu # or use an `env_change` hook to activate it automatically > toolkit check pr > ``` --> # After Submitting <!-- If your PR had any user-facing changes, update [the documentation](https://github.com/nushell/nushell.github.io) after the PR is merged, if necessary. This will help us keep the docs up to date. -->
This commit is contained in:
Marc Schreiber
GitHub
parent
a46048f362
commit
0ca8fcf58c
75
Cargo.lock
generated
75
Cargo.lock
generated
@ -2309,6 +2309,31 @@ dependencies = [
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"nu-ansi-term",
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]
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[[package]]
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name = "lsp-server"
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version = "0.7.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b52dccdf3302eefab8c8a1273047f0a3c3dca4b527c8458d00c09484c8371928"
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dependencies = [
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"crossbeam-channel",
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"log",
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"serde",
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"serde_json",
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]
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[[package]]
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name = "lsp-types"
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version = "0.94.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c66bfd44a06ae10647fe3f8214762e9369fd4248df1350924b4ef9e770a85ea1"
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dependencies = [
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"bitflags 1.3.2",
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"serde",
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"serde_json",
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"serde_repr",
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"url",
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]
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[[package]]
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name = "lz4"
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version = "1.24.0"
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@ -2641,6 +2666,7 @@ dependencies = [
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"nu-engine",
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"nu-explore",
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"nu-json",
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"nu-lsp",
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"nu-parser",
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"nu-path",
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"nu-plugin",
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@ -2940,6 +2966,27 @@ dependencies = [
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"serde",
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]
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[[package]]
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name = "nu-lsp"
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version = "0.86.1"
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dependencies = [
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"assert-json-diff",
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"lsp-server",
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"lsp-types",
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"miette",
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"nu-cli",
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"nu-cmd-lang",
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"nu-command",
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"nu-parser",
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"nu-protocol",
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"nu-test-support",
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"reedline",
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"ropey",
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"serde",
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"serde_json",
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"tempfile",
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]
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[[package]]
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name = "nu-parser"
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version = "0.86.1"
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@ -4332,6 +4379,16 @@ dependencies = [
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"serde",
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]
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[[package]]
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name = "ropey"
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version = "1.6.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "93411e420bcd1a75ddd1dc3caf18c23155eda2c090631a85af21ba19e97093b5"
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dependencies = [
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"smallvec",
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"str_indices",
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]
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[[package]]
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name = "roxmltree"
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version = "0.18.1"
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@ -4636,6 +4693,17 @@ dependencies = [
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"serde",
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]
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[[package]]
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name = "serde_repr"
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version = "0.1.16"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8725e1dfadb3a50f7e5ce0b1a540466f6ed3fe7a0fca2ac2b8b831d31316bd00"
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dependencies = [
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"proc-macro2",
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"quote",
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"syn 2.0.37",
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]
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[[package]]
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name = "serde_spanned"
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version = "0.6.3"
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@ -4903,6 +4971,12 @@ version = "1.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
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[[package]]
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name = "str_indices"
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version = "0.4.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b8eeaedde8e50d8a331578c9fa9a288df146ce5e16173ad26ce82f6e263e2be4"
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[[package]]
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name = "streaming-decompression"
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version = "0.1.2"
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@ -5586,6 +5660,7 @@ dependencies = [
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"form_urlencoded",
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"idna",
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"percent-encoding",
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"serde",
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]
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[[package]]
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@ -33,6 +33,7 @@ members = [
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"crates/nu-cmd-lang",
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"crates/nu-cmd-dataframe",
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"crates/nu-command",
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"crates/nu-lsp",
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"crates/nu-protocol",
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"crates/nu-plugin",
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"crates/nu_plugin_inc",
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@ -56,6 +57,7 @@ nu-command = { path = "./crates/nu-command", version = "0.86.1" }
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nu-engine = { path = "./crates/nu-engine", version = "0.86.1" }
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nu-explore = { path = "./crates/nu-explore", version = "0.86.1" }
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nu-json = { path = "./crates/nu-json", version = "0.86.1" }
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nu-lsp = { path = "./crates/nu-lsp/", version = "0.86.1" }
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nu-parser = { path = "./crates/nu-parser", version = "0.86.1" }
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nu-path = { path = "./crates/nu-path", version = "0.86.1" }
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nu-plugin = { path = "./crates/nu-plugin", optional = true, version = "0.86.1" }
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29
crates/nu-lsp/Cargo.toml
Normal file
29
crates/nu-lsp/Cargo.toml
Normal file
@ -0,0 +1,29 @@
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[package]
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authors = ["The Nushell Project Developers"]
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description = "Nushell's integrated LSP server"
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repository = "https://github.com/nushell/nushell/tree/main/crates/nu-lsp"
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name = "nu-lsp"
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version = "0.86.1"
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edition = "2021"
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license = "MIT"
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[dependencies]
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nu-cli = { path = "../nu-cli", version = "0.86.1" }
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nu-parser = { path = "../nu-parser", version = "0.86.1" }
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nu-protocol = { path = "../nu-protocol", version = "0.86.1" }
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reedline = { version = "0.25" }
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lsp-types = "0.94.1"
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lsp-server = "0.7.4"
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miette = "5.10"
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ropey = "1.6.1"
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serde = "1.0"
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serde_json = "1.0"
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[dev-dependencies]
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nu-cmd-lang = { path = "../nu-cmd-lang", version = "0.86.1" }
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nu-command = { path = "../nu-command", version = "0.86.1" }
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nu-test-support = { path = "../nu-test-support", version = "0.86.1" }
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assert-json-diff = "2.0"
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tempfile = "3.2"
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28
crates/nu-lsp/LICENSE
Normal file
28
crates/nu-lsp/LICENSE
Normal file
@ -0,0 +1,28 @@
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The MIT License (MIT)
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Copyright (c) 2014 The Rust Project Developers
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Copyright (c) 2020-2023 The Nushell Project Developers
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Permission is hereby granted, free of charge, to any
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person obtaining a copy of this software and associated
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documentation files (the "Software"), to deal in the
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Software without restriction, including without
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limitation the rights to use, copy, modify, merge,
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publish, distribute, sublicense, and/or sell copies of
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the Software, and to permit persons to whom the Software
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is furnished to do so, subject to the following
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conditions:
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The above copyright notice and this permission notice
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shall be included in all copies or substantial portions
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of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
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ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
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TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
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SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
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IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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933
crates/nu-lsp/src/lib.rs
Normal file
933
crates/nu-lsp/src/lib.rs
Normal file
@ -0,0 +1,933 @@
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use std::{fs::File, io::Cursor, sync::Arc};
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use lsp_server::{Connection, IoThreads, Message, Response, ResponseError};
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use lsp_types::{
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request::{Completion, GotoDefinition, HoverRequest, Request},
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CompletionItem, CompletionParams, CompletionResponse, CompletionTextEdit, GotoDefinitionParams,
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GotoDefinitionResponse, Hover, HoverContents, HoverParams, Location, MarkupContent, MarkupKind,
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OneOf, Range, ServerCapabilities, TextEdit, Url,
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};
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use miette::{IntoDiagnostic, Result};
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use nu_cli::NuCompleter;
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use nu_parser::{flatten_block, parse, FlatShape};
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use nu_protocol::{
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engine::{EngineState, Stack, StateWorkingSet},
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DeclId, Span, Value, VarId,
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};
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use reedline::Completer;
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use ropey::Rope;
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#[derive(Debug)]
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enum Id {
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Variable(VarId),
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Declaration(DeclId),
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Value(FlatShape),
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}
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pub struct LanguageServer {
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connection: Connection,
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io_threads: Option<IoThreads>,
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}
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impl LanguageServer {
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pub fn initialize_stdio_connection() -> Result<Self> {
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let (connection, io_threads) = Connection::stdio();
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Self::initialize_connection(connection, Some(io_threads))
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}
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fn initialize_connection(
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connection: Connection,
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io_threads: Option<IoThreads>,
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) -> Result<Self> {
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Ok(Self {
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connection,
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io_threads,
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})
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}
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pub fn serve_requests(self, engine_state: EngineState) -> Result<()> {
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let server_capabilities = serde_json::to_value(&ServerCapabilities {
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definition_provider: Some(OneOf::Left(true)),
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hover_provider: Some(lsp_types::HoverProviderCapability::Simple(true)),
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completion_provider: Some(lsp_types::CompletionOptions::default()),
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..Default::default()
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})
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.expect("Must be serializable");
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let _initialization_params = self
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.connection
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.initialize(server_capabilities)
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.into_diagnostic()?;
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for msg in &self.connection.receiver {
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match msg {
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Message::Request(request) => {
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if self
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.connection
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.handle_shutdown(&request)
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.into_diagnostic()?
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{
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return Ok(());
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}
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let mut engine_state = engine_state.clone();
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match request.method.as_str() {
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GotoDefinition::METHOD => {
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self.handle_lsp_request(
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&mut engine_state,
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request,
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Self::goto_definition,
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)?;
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}
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HoverRequest::METHOD => {
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self.handle_lsp_request(&mut engine_state, request, Self::hover)?;
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}
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Completion::METHOD => {
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self.handle_lsp_request(&mut engine_state, request, Self::complete)?;
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}
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_ => {}
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}
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}
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Message::Response(_) => {}
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Message::Notification(_) => {}
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}
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}
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if let Some(io_threads) = self.io_threads {
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io_threads.join().into_diagnostic()?;
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}
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Ok(())
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}
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fn handle_lsp_request<P, H, R>(
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&self,
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engine_state: &mut EngineState,
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req: lsp_server::Request,
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param_handler: H,
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) -> Result<()>
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where
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P: serde::de::DeserializeOwned,
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H: Fn(&mut EngineState, &P) -> Option<R>,
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R: serde::ser::Serialize,
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{
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let resp = {
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match serde_json::from_value::<P>(req.params) {
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Ok(params) => Response {
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id: req.id,
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result: param_handler(engine_state, ¶ms)
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.and_then(|response| serde_json::to_value(response).ok()),
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error: None,
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},
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Err(err) => Response {
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id: req.id,
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result: None,
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error: Some(ResponseError {
|
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code: 1,
|
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message: err.to_string(),
|
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data: None,
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}),
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},
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}
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};
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self.connection
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.sender
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.send(Message::Response(resp))
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.into_diagnostic()
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}
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fn span_to_range(span: &Span, rope_of_file: &Rope, offset: usize) -> lsp_types::Range {
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let line = rope_of_file.char_to_line(span.start - offset);
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let character = span.start - offset - rope_of_file.line_to_char(line);
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let start = lsp_types::Position {
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line: line as u32,
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character: character as u32,
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};
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let line = rope_of_file.char_to_line(span.end - offset);
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let character = span.end - offset - rope_of_file.line_to_char(line);
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let end = lsp_types::Position {
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line: line as u32,
|
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character: character as u32,
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};
|
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|
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lsp_types::Range { start, end }
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}
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|
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fn lsp_position_to_location(position: &lsp_types::Position, rope_of_file: &Rope) -> usize {
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let line_idx = rope_of_file.line_to_char(position.line as usize);
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line_idx + position.character as usize
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}
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|
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fn find_id(
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working_set: &mut StateWorkingSet,
|
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file_path: &str,
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file: &[u8],
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location: usize,
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) -> Option<(Id, usize, Span)> {
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let file_id = working_set.add_file(file_path.to_string(), file);
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let offset = working_set.get_span_for_file(file_id).start;
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let block = parse(working_set, Some(file_path), file, false);
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let flattened = flatten_block(working_set, &block);
|
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|
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let location = location + offset;
|
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for item in flattened {
|
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if location >= item.0.start && location < item.0.end {
|
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match &item.1 {
|
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FlatShape::Variable(var_id) | FlatShape::VarDecl(var_id) => {
|
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return Some((Id::Variable(*var_id), offset, item.0));
|
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}
|
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FlatShape::InternalCall(decl_id) => {
|
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return Some((Id::Declaration(*decl_id), offset, item.0));
|
||||
}
|
||||
_ => return Some((Id::Value(item.1), offset, item.0)),
|
||||
}
|
||||
}
|
||||
}
|
||||
None
|
||||
}
|
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|
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fn read_in_file<'a>(
|
||||
engine_state: &'a mut EngineState,
|
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file_path: &str,
|
||||
) -> Result<(Vec<u8>, StateWorkingSet<'a>)> {
|
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let file = std::fs::read(file_path).into_diagnostic()?;
|
||||
|
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engine_state.start_in_file(Some(file_path));
|
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|
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let working_set = StateWorkingSet::new(engine_state);
|
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|
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Ok((file, working_set))
|
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}
|
||||
|
||||
fn goto_definition(
|
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engine_state: &mut EngineState,
|
||||
params: &GotoDefinitionParams,
|
||||
) -> Option<GotoDefinitionResponse> {
|
||||
let cwd = std::env::current_dir().expect("Could not get current working directory.");
|
||||
engine_state.add_env_var("PWD".into(), Value::test_string(cwd.to_string_lossy()));
|
||||
|
||||
let file_path = params
|
||||
.text_document_position_params
|
||||
.text_document
|
||||
.uri
|
||||
.to_file_path()
|
||||
.ok()?;
|
||||
|
||||
let file_path = file_path.to_string_lossy();
|
||||
|
||||
let (file, mut working_set) = Self::read_in_file(engine_state, &file_path).ok()?;
|
||||
let rope_of_file = Rope::from_reader(Cursor::new(&file)).ok()?;
|
||||
|
||||
let (id, _, _) = Self::find_id(
|
||||
&mut working_set,
|
||||
&file_path,
|
||||
&file,
|
||||
Self::lsp_position_to_location(
|
||||
¶ms.text_document_position_params.position,
|
||||
&rope_of_file,
|
||||
),
|
||||
)?;
|
||||
|
||||
match id {
|
||||
Id::Declaration(decl_id) => {
|
||||
if let Some(block_id) = working_set.get_decl(decl_id).get_block_id() {
|
||||
let block = working_set.get_block(block_id);
|
||||
if let Some(span) = &block.span {
|
||||
for (file_path, file_start, file_end) in working_set.files() {
|
||||
if span.start >= *file_start && span.start < *file_end {
|
||||
return Some(GotoDefinitionResponse::Scalar(Location {
|
||||
uri: Url::from_file_path(file_path).ok()?,
|
||||
range: Self::span_to_range(span, &rope_of_file, *file_start),
|
||||
}));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Id::Variable(var_id) => {
|
||||
let var = working_set.get_variable(var_id);
|
||||
for (_, file_start, file_end) in working_set.files() {
|
||||
if var.declaration_span.start >= *file_start
|
||||
&& var.declaration_span.start < *file_end
|
||||
{
|
||||
return Some(GotoDefinitionResponse::Scalar(Location {
|
||||
uri: params
|
||||
.text_document_position_params
|
||||
.text_document
|
||||
.uri
|
||||
.clone(),
|
||||
range: Self::span_to_range(
|
||||
&var.declaration_span,
|
||||
&rope_of_file,
|
||||
*file_start,
|
||||
),
|
||||
}));
|
||||
}
|
||||
}
|
||||
}
|
||||
_ => {}
|
||||
}
|
||||
None
|
||||
}
|
||||
|
||||
fn hover(engine_state: &mut EngineState, params: &HoverParams) -> Option<Hover> {
|
||||
let cwd = std::env::current_dir().expect("Could not get current working directory.");
|
||||
engine_state.add_env_var("PWD".into(), Value::test_string(cwd.to_string_lossy()));
|
||||
|
||||
let file_path = params
|
||||
.text_document_position_params
|
||||
.text_document
|
||||
.uri
|
||||
.to_file_path()
|
||||
.ok()?;
|
||||
|
||||
let file_path = file_path.to_string_lossy();
|
||||
|
||||
let (file, mut working_set) = Self::read_in_file(engine_state, &file_path).ok()?;
|
||||
let rope_of_file = Rope::from_reader(Cursor::new(&file)).ok()?;
|
||||
|
||||
let (id, _, _) = Self::find_id(
|
||||
&mut working_set,
|
||||
&file_path,
|
||||
&file,
|
||||
Self::lsp_position_to_location(
|
||||
¶ms.text_document_position_params.position,
|
||||
&rope_of_file,
|
||||
),
|
||||
)?;
|
||||
|
||||
match id {
|
||||
Id::Variable(var_id) => {
|
||||
let var = working_set.get_variable(var_id);
|
||||
let contents = format!("{}{}", if var.mutable { "mutable " } else { "" }, var.ty);
|
||||
|
||||
Some(Hover {
|
||||
contents: HoverContents::Scalar(lsp_types::MarkedString::String(contents)),
|
||||
// TODO
|
||||
range: None,
|
||||
})
|
||||
}
|
||||
Id::Declaration(decl_id) => {
|
||||
let decl = working_set.get_decl(decl_id);
|
||||
|
||||
let mut description = "```\n### Signature\n```\n".to_string();
|
||||
let signature = decl.signature();
|
||||
description.push_str(&format!(" {}", signature.name));
|
||||
if !signature.named.is_empty() {
|
||||
description.push_str(" {flags}")
|
||||
}
|
||||
for required_arg in &signature.required_positional {
|
||||
description.push_str(&format!(" <{}>", required_arg.name));
|
||||
}
|
||||
for optional_arg in &signature.optional_positional {
|
||||
description.push_str(&format!(" <{}?>", optional_arg.name));
|
||||
}
|
||||
if let Some(arg) = &signature.rest_positional {
|
||||
description.push_str(&format!(" <...{}>", arg.name));
|
||||
}
|
||||
description.push_str("\n```\n");
|
||||
if !signature.required_positional.is_empty()
|
||||
|| !signature.optional_positional.is_empty()
|
||||
|| signature.rest_positional.is_some()
|
||||
{
|
||||
description.push_str("\n### Parameters\n\n");
|
||||
let mut first = true;
|
||||
for required_arg in &signature.required_positional {
|
||||
if !first {
|
||||
description.push_str("\\\n");
|
||||
} else {
|
||||
first = false;
|
||||
}
|
||||
description.push_str(&format!(
|
||||
" `{}: {}`",
|
||||
required_arg.name,
|
||||
required_arg.shape.to_type()
|
||||
));
|
||||
if !required_arg.desc.is_empty() {
|
||||
description.push_str(&format!(" - {}", required_arg.desc));
|
||||
}
|
||||
description.push('\n');
|
||||
}
|
||||
for optional_arg in &signature.optional_positional {
|
||||
if !first {
|
||||
description.push_str("\\\n");
|
||||
} else {
|
||||
first = false;
|
||||
}
|
||||
description.push_str(&format!(
|
||||
" `{}: {}`",
|
||||
optional_arg.name,
|
||||
optional_arg.shape.to_type()
|
||||
));
|
||||
if !optional_arg.desc.is_empty() {
|
||||
description.push_str(&format!(" - {}", optional_arg.desc));
|
||||
}
|
||||
description.push('\n');
|
||||
}
|
||||
if let Some(arg) = &signature.rest_positional {
|
||||
if !first {
|
||||
description.push_str("\\\n");
|
||||
}
|
||||
description.push_str(&format!(
|
||||
" `...{}: {}`",
|
||||
arg.name,
|
||||
arg.shape.to_type()
|
||||
));
|
||||
if !arg.desc.is_empty() {
|
||||
description.push_str(&format!(" - {}", arg.desc));
|
||||
}
|
||||
description.push('\n');
|
||||
}
|
||||
description.push('\n');
|
||||
}
|
||||
if !signature.named.is_empty() {
|
||||
description.push_str("\n### Flags\n\n");
|
||||
let mut first = true;
|
||||
for named in &signature.named {
|
||||
if !first {
|
||||
description.push_str("\\\n");
|
||||
} else {
|
||||
first = false;
|
||||
}
|
||||
description.push_str(" ");
|
||||
if let Some(short_flag) = &named.short {
|
||||
description.push_str(&format!("`-{}`", short_flag));
|
||||
}
|
||||
if !named.long.is_empty() {
|
||||
if named.short.is_some() {
|
||||
description.push_str(", ")
|
||||
}
|
||||
description.push_str(&format!("`--{}`", named.long));
|
||||
}
|
||||
if let Some(arg) = &named.arg {
|
||||
description.push_str(&format!(" `<{}>`", arg.to_type()))
|
||||
}
|
||||
if !named.desc.is_empty() {
|
||||
description.push_str(&format!(" - {}", named.desc));
|
||||
}
|
||||
}
|
||||
description.push('\n');
|
||||
}
|
||||
if !signature.input_output_types.is_empty() {
|
||||
description.push_str("\n### Input/output\n");
|
||||
description.push_str("\n```\n");
|
||||
for input_output in &signature.input_output_types {
|
||||
description
|
||||
.push_str(&format!(" {} | {}\n", input_output.0, input_output.1));
|
||||
}
|
||||
description.push_str("\n```\n");
|
||||
}
|
||||
description.push_str(&format!(
|
||||
"### Usage\n {}\n",
|
||||
decl.usage().replace('\r', "")
|
||||
));
|
||||
if !decl.extra_usage().is_empty() {
|
||||
description
|
||||
.push_str(&format!("\n### Extra usage:\n {}\n", decl.extra_usage()));
|
||||
}
|
||||
if !decl.examples().is_empty() {
|
||||
description.push_str("### Example(s)\n```\n");
|
||||
for example in decl.examples() {
|
||||
description.push_str(&format!(
|
||||
"```\n {}\n```\n {}\n\n",
|
||||
example.description, example.example
|
||||
));
|
||||
}
|
||||
}
|
||||
|
||||
Some(Hover {
|
||||
contents: HoverContents::Markup(MarkupContent {
|
||||
kind: MarkupKind::Markdown,
|
||||
value: description,
|
||||
}),
|
||||
// TODO
|
||||
range: None,
|
||||
})
|
||||
}
|
||||
Id::Value(shape) => {
|
||||
let hover = String::from(match shape {
|
||||
FlatShape::And => "and",
|
||||
FlatShape::Binary => "binary",
|
||||
FlatShape::Block => "block",
|
||||
FlatShape::Bool => "bool",
|
||||
FlatShape::Closure => "closure",
|
||||
FlatShape::DateTime => "datetime",
|
||||
FlatShape::Directory => "directory",
|
||||
FlatShape::External => "external",
|
||||
FlatShape::ExternalArg => "external arg",
|
||||
FlatShape::Filepath => "file path",
|
||||
FlatShape::Flag => "flag",
|
||||
FlatShape::Float => "float",
|
||||
FlatShape::GlobPattern => "glob pattern",
|
||||
FlatShape::Int => "int",
|
||||
FlatShape::Keyword => "keyword",
|
||||
FlatShape::List => "list",
|
||||
FlatShape::MatchPattern => "match-pattern",
|
||||
FlatShape::Nothing => "nothing",
|
||||
FlatShape::Range => "range",
|
||||
FlatShape::Record => "record",
|
||||
FlatShape::String => "string",
|
||||
FlatShape::StringInterpolation => "string interpolation",
|
||||
FlatShape::Table => "table",
|
||||
_ => {
|
||||
return None;
|
||||
}
|
||||
});
|
||||
|
||||
Some(Hover {
|
||||
contents: HoverContents::Scalar(lsp_types::MarkedString::String(hover)),
|
||||
// TODO
|
||||
range: None,
|
||||
})
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn complete(
|
||||
engine_state: &mut EngineState,
|
||||
params: &CompletionParams,
|
||||
) -> Option<CompletionResponse> {
|
||||
let cwd = std::env::current_dir().expect("Could not get current working directory.");
|
||||
engine_state.add_env_var("PWD".into(), Value::test_string(cwd.to_string_lossy()));
|
||||
|
||||
let file_path = params
|
||||
.text_document_position
|
||||
.text_document
|
||||
.uri
|
||||
.to_file_path()
|
||||
.ok()?;
|
||||
|
||||
let file_path = file_path.to_string_lossy();
|
||||
let rope_of_file = Rope::from_reader(File::open(file_path.as_ref()).ok()?).ok()?;
|
||||
|
||||
let stack = Stack::new();
|
||||
let mut completer = NuCompleter::new(Arc::new(engine_state.clone()), stack);
|
||||
|
||||
let location =
|
||||
Self::lsp_position_to_location(¶ms.text_document_position.position, &rope_of_file);
|
||||
let results = completer.complete(&rope_of_file.to_string(), location);
|
||||
if results.is_empty() {
|
||||
None
|
||||
} else {
|
||||
Some(CompletionResponse::Array(
|
||||
results
|
||||
.into_iter()
|
||||
.map(|r| {
|
||||
let mut start = params.text_document_position.position;
|
||||
start.character -= (r.span.end - r.span.start) as u32;
|
||||
|
||||
CompletionItem {
|
||||
label: r.value.clone(),
|
||||
detail: r.description,
|
||||
text_edit: Some(CompletionTextEdit::Edit(TextEdit {
|
||||
range: Range {
|
||||
start,
|
||||
end: params.text_document_position.position,
|
||||
},
|
||||
new_text: r.value,
|
||||
})),
|
||||
..Default::default()
|
||||
}
|
||||
})
|
||||
.collect(),
|
||||
))
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
use assert_json_diff::assert_json_eq;
|
||||
use lsp_types::{
|
||||
notification::{Exit, Initialized, Notification},
|
||||
request::{Completion, GotoDefinition, HoverRequest, Initialize, Request, Shutdown},
|
||||
CompletionParams, GotoDefinitionParams, InitializeParams, InitializedParams,
|
||||
TextDocumentIdentifier, TextDocumentPositionParams, Url,
|
||||
};
|
||||
use nu_test_support::fs::{fixtures, root};
|
||||
use std::sync::mpsc::Receiver;
|
||||
|
||||
fn initialize_language_server() -> (Connection, Receiver<Result<()>>) {
|
||||
use std::sync::mpsc;
|
||||
let (client_connection, server_connection) = Connection::memory();
|
||||
let lsp_server = LanguageServer::initialize_connection(server_connection, None).unwrap();
|
||||
|
||||
let (send, recv) = mpsc::channel();
|
||||
std::thread::spawn(move || {
|
||||
let engine_state = nu_cmd_lang::create_default_context();
|
||||
let engine_state = nu_command::add_shell_command_context(engine_state);
|
||||
send.send(lsp_server.serve_requests(engine_state))
|
||||
});
|
||||
|
||||
client_connection
|
||||
.sender
|
||||
.send(Message::Request(lsp_server::Request {
|
||||
id: 1.into(),
|
||||
method: Initialize::METHOD.to_string(),
|
||||
params: serde_json::to_value(InitializeParams {
|
||||
..Default::default()
|
||||
})
|
||||
.unwrap(),
|
||||
}))
|
||||
.unwrap();
|
||||
client_connection
|
||||
.sender
|
||||
.send(Message::Notification(lsp_server::Notification {
|
||||
method: Initialized::METHOD.to_string(),
|
||||
params: serde_json::to_value(InitializedParams {}).unwrap(),
|
||||
}))
|
||||
.unwrap();
|
||||
|
||||
let _initialize_response = client_connection
|
||||
.receiver
|
||||
.recv_timeout(std::time::Duration::from_secs(2))
|
||||
.unwrap();
|
||||
|
||||
(client_connection, recv)
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn shutdown_on_request() {
|
||||
let (client_connection, recv) = initialize_language_server();
|
||||
|
||||
client_connection
|
||||
.sender
|
||||
.send(Message::Request(lsp_server::Request {
|
||||
id: 2.into(),
|
||||
method: Shutdown::METHOD.to_string(),
|
||||
params: serde_json::Value::Null,
|
||||
}))
|
||||
.unwrap();
|
||||
client_connection
|
||||
.sender
|
||||
.send(Message::Notification(lsp_server::Notification {
|
||||
method: Exit::METHOD.to_string(),
|
||||
params: serde_json::Value::Null,
|
||||
}))
|
||||
.unwrap();
|
||||
|
||||
assert!(recv
|
||||
.recv_timeout(std::time::Duration::from_secs(2))
|
||||
.unwrap()
|
||||
.is_ok());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn goto_definition_for_none_existing_file() {
|
||||
let (client_connection, _recv) = initialize_language_server();
|
||||
|
||||
let mut none_existent_path = root();
|
||||
none_existent_path.push("none-existent.nu");
|
||||
|
||||
client_connection
|
||||
.sender
|
||||
.send(Message::Request(lsp_server::Request {
|
||||
id: 2.into(),
|
||||
method: GotoDefinition::METHOD.to_string(),
|
||||
params: serde_json::to_value(GotoDefinitionParams {
|
||||
text_document_position_params: TextDocumentPositionParams {
|
||||
text_document: TextDocumentIdentifier {
|
||||
uri: Url::from_file_path(none_existent_path).unwrap(),
|
||||
},
|
||||
position: lsp_types::Position {
|
||||
line: 0,
|
||||
character: 0,
|
||||
},
|
||||
},
|
||||
work_done_progress_params: Default::default(),
|
||||
partial_result_params: Default::default(),
|
||||
})
|
||||
.unwrap(),
|
||||
}))
|
||||
.unwrap();
|
||||
|
||||
let resp = client_connection
|
||||
.receiver
|
||||
.recv_timeout(std::time::Duration::from_secs(2))
|
||||
.unwrap();
|
||||
|
||||
assert!(matches!(
|
||||
resp,
|
||||
Message::Response(response) if response.result.is_none()
|
||||
));
|
||||
}
|
||||
|
||||
fn goto_definition(uri: Url, line: u32, character: u32) -> Message {
|
||||
let (client_connection, _recv) = initialize_language_server();
|
||||
|
||||
client_connection
|
||||
.sender
|
||||
.send(Message::Request(lsp_server::Request {
|
||||
id: 2.into(),
|
||||
method: GotoDefinition::METHOD.to_string(),
|
||||
params: serde_json::to_value(GotoDefinitionParams {
|
||||
text_document_position_params: TextDocumentPositionParams {
|
||||
text_document: TextDocumentIdentifier { uri },
|
||||
position: lsp_types::Position { line, character },
|
||||
},
|
||||
work_done_progress_params: Default::default(),
|
||||
partial_result_params: Default::default(),
|
||||
})
|
||||
.unwrap(),
|
||||
}))
|
||||
.unwrap();
|
||||
|
||||
client_connection
|
||||
.receiver
|
||||
.recv_timeout(std::time::Duration::from_secs(2))
|
||||
.unwrap()
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn goto_definition_of_variable() {
|
||||
let mut script = fixtures();
|
||||
script.push("lsp");
|
||||
script.push("goto");
|
||||
script.push("var.nu");
|
||||
let script = Url::from_file_path(script).unwrap();
|
||||
|
||||
let resp = goto_definition(script.clone(), 2, 12);
|
||||
let result = if let Message::Response(response) = resp {
|
||||
response.result
|
||||
} else {
|
||||
panic!()
|
||||
};
|
||||
|
||||
assert_json_eq!(
|
||||
result,
|
||||
serde_json::json!({
|
||||
"uri": script,
|
||||
"range": {
|
||||
"start": { "line": 0, "character": 4 },
|
||||
"end": { "line": 0, "character": 12 }
|
||||
}
|
||||
})
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn goto_definition_of_command() {
|
||||
let mut script = fixtures();
|
||||
script.push("lsp");
|
||||
script.push("goto");
|
||||
script.push("command.nu");
|
||||
let script = Url::from_file_path(script).unwrap();
|
||||
|
||||
let resp = goto_definition(script.clone(), 4, 1);
|
||||
let result = if let Message::Response(response) = resp {
|
||||
response.result
|
||||
} else {
|
||||
panic!()
|
||||
};
|
||||
|
||||
assert_json_eq!(
|
||||
result,
|
||||
serde_json::json!({
|
||||
"uri": script,
|
||||
"range": {
|
||||
"start": { "line": 0, "character": 17 },
|
||||
"end": { "line": 2, "character": 1 }
|
||||
}
|
||||
})
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn goto_definition_of_command_parameter() {
|
||||
let mut script = fixtures();
|
||||
script.push("lsp");
|
||||
script.push("goto");
|
||||
script.push("command.nu");
|
||||
let script = Url::from_file_path(script).unwrap();
|
||||
|
||||
let resp = goto_definition(script.clone(), 1, 14);
|
||||
let result = if let Message::Response(response) = resp {
|
||||
response.result
|
||||
} else {
|
||||
panic!()
|
||||
};
|
||||
|
||||
assert_json_eq!(
|
||||
result,
|
||||
serde_json::json!({
|
||||
"uri": script,
|
||||
"range": {
|
||||
"start": { "line": 0, "character": 11 },
|
||||
"end": { "line": 0, "character": 15 }
|
||||
}
|
||||
})
|
||||
);
|
||||
}
|
||||
|
||||
fn hover(uri: Url, line: u32, character: u32) -> Message {
|
||||
let (client_connection, _recv) = initialize_language_server();
|
||||
|
||||
client_connection
|
||||
.sender
|
||||
.send(Message::Request(lsp_server::Request {
|
||||
id: 2.into(),
|
||||
method: HoverRequest::METHOD.to_string(),
|
||||
params: serde_json::to_value(HoverParams {
|
||||
text_document_position_params: TextDocumentPositionParams {
|
||||
text_document: TextDocumentIdentifier { uri },
|
||||
position: lsp_types::Position { line, character },
|
||||
},
|
||||
work_done_progress_params: Default::default(),
|
||||
})
|
||||
.unwrap(),
|
||||
}))
|
||||
.unwrap();
|
||||
|
||||
client_connection
|
||||
.receiver
|
||||
.recv_timeout(std::time::Duration::from_secs(2))
|
||||
.unwrap()
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn hover_on_variable() {
|
||||
let mut script = fixtures();
|
||||
script.push("lsp");
|
||||
script.push("hover");
|
||||
script.push("var.nu");
|
||||
let script = Url::from_file_path(script).unwrap();
|
||||
|
||||
let resp = hover(script.clone(), 2, 0);
|
||||
let result = if let Message::Response(response) = resp {
|
||||
response.result
|
||||
} else {
|
||||
panic!()
|
||||
};
|
||||
|
||||
assert_json_eq!(
|
||||
result,
|
||||
serde_json::json!({
|
||||
"contents": "table"
|
||||
})
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn hover_on_command() {
|
||||
let mut script = fixtures();
|
||||
script.push("lsp");
|
||||
script.push("hover");
|
||||
script.push("command.nu");
|
||||
let script = Url::from_file_path(script).unwrap();
|
||||
|
||||
let resp = hover(script.clone(), 3, 0);
|
||||
let result = if let Message::Response(response) = resp {
|
||||
response.result
|
||||
} else {
|
||||
panic!()
|
||||
};
|
||||
|
||||
assert_json_eq!(
|
||||
result,
|
||||
serde_json::json!({
|
||||
"contents": {
|
||||
"kind": "markdown",
|
||||
"value": "```\n### Signature\n```\n hello {flags}\n```\n\n### Flags\n\n `-h`, `--help` - Display the help message for this command\n### Usage\n Renders some greeting message\n"
|
||||
}
|
||||
})
|
||||
);
|
||||
}
|
||||
|
||||
fn complete(uri: Url, line: u32, character: u32) -> Message {
|
||||
let (client_connection, _recv) = initialize_language_server();
|
||||
|
||||
client_connection
|
||||
.sender
|
||||
.send(Message::Request(lsp_server::Request {
|
||||
id: 2.into(),
|
||||
method: Completion::METHOD.to_string(),
|
||||
params: serde_json::to_value(CompletionParams {
|
||||
text_document_position: TextDocumentPositionParams {
|
||||
text_document: TextDocumentIdentifier { uri },
|
||||
position: lsp_types::Position { line, character },
|
||||
},
|
||||
work_done_progress_params: Default::default(),
|
||||
partial_result_params: Default::default(),
|
||||
context: None,
|
||||
})
|
||||
.unwrap(),
|
||||
}))
|
||||
.unwrap();
|
||||
|
||||
client_connection
|
||||
.receiver
|
||||
.recv_timeout(std::time::Duration::from_secs(2))
|
||||
.unwrap()
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn complete_on_variable() {
|
||||
let mut script = fixtures();
|
||||
script.push("lsp");
|
||||
script.push("completion");
|
||||
script.push("var.nu");
|
||||
let script = Url::from_file_path(script).unwrap();
|
||||
|
||||
let resp = complete(script, 2, 9);
|
||||
let result = if let Message::Response(response) = resp {
|
||||
response.result
|
||||
} else {
|
||||
panic!()
|
||||
};
|
||||
|
||||
assert_json_eq!(
|
||||
result,
|
||||
serde_json::json!([
|
||||
{
|
||||
"label": "$greeting",
|
||||
"textEdit": {
|
||||
"newText": "$greeting",
|
||||
"range": {
|
||||
"start": { "character": 5, "line": 2 },
|
||||
"end": { "character": 9, "line": 2 }
|
||||
}
|
||||
}
|
||||
}
|
||||
])
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn complete_command_with_space() {
|
||||
let mut script = fixtures();
|
||||
script.push("lsp");
|
||||
script.push("completion");
|
||||
script.push("command.nu");
|
||||
let script = Url::from_file_path(script).unwrap();
|
||||
|
||||
let resp = complete(script, 0, 8);
|
||||
let result = if let Message::Response(response) = resp {
|
||||
response.result
|
||||
} else {
|
||||
panic!()
|
||||
};
|
||||
|
||||
assert_json_eq!(
|
||||
result,
|
||||
serde_json::json!([
|
||||
{
|
||||
"label": "config nu",
|
||||
"detail": "Edit nu configurations.",
|
||||
"textEdit": {
|
||||
"range": {
|
||||
"start": { "line": 0, "character": 0 },
|
||||
"end": { "line": 0, "character": 8 },
|
||||
},
|
||||
"newText": "config nu"
|
||||
}
|
||||
}
|
||||
])
|
||||
);
|
||||
}
|
||||
}
|
||||
@ -37,7 +37,7 @@ pub(crate) fn gather_commandline_args() -> (Vec<String>, String, Vec<String>) {
|
||||
#[cfg(feature = "plugin")]
|
||||
"--plugin-config" => args.next().map(|a| escape_quote_string(&a)),
|
||||
"--log-level" | "--log-target" | "--testbin" | "--threads" | "-t"
|
||||
| "--include-path" | "--ide-goto-def" | "--ide-hover" | "--ide-complete"
|
||||
| "--include-path" | "--lsp" | "--ide-goto-def" | "--ide-hover" | "--ide-complete"
|
||||
| "--ide-check" => args.next(),
|
||||
_ => None,
|
||||
};
|
||||
@ -108,6 +108,7 @@ pub(crate) fn parse_commandline_args(
|
||||
call.get_flag(engine_state, &mut stack, "table-mode")?;
|
||||
|
||||
// ide flags
|
||||
let lsp = call.has_flag("lsp");
|
||||
let include_path: Option<Expression> = call.get_flag_expr("include-path");
|
||||
let ide_goto_def: Option<Value> =
|
||||
call.get_flag(engine_state, &mut stack, "ide-goto-def")?;
|
||||
@ -193,6 +194,7 @@ pub(crate) fn parse_commandline_args(
|
||||
ide_goto_def,
|
||||
ide_hover,
|
||||
ide_complete,
|
||||
lsp,
|
||||
ide_check,
|
||||
ide_ast,
|
||||
table_mode,
|
||||
@ -229,6 +231,7 @@ pub(crate) struct NushellCliArgs {
|
||||
pub(crate) execute: Option<Spanned<String>>,
|
||||
pub(crate) table_mode: Option<Value>,
|
||||
pub(crate) include_path: Option<Spanned<String>>,
|
||||
pub(crate) lsp: bool,
|
||||
pub(crate) ide_goto_def: Option<Value>,
|
||||
pub(crate) ide_hover: Option<Value>,
|
||||
pub(crate) ide_complete: Option<Value>,
|
||||
@ -298,6 +301,11 @@ impl Command for Nu {
|
||||
"start with an alternate environment config file",
|
||||
None,
|
||||
)
|
||||
.switch(
|
||||
"lsp",
|
||||
"start nu's language server protocol",
|
||||
None,
|
||||
)
|
||||
.named(
|
||||
"ide-goto-def",
|
||||
SyntaxShape::Int,
|
||||
|
||||
@ -24,6 +24,7 @@ use log::Level;
|
||||
use miette::Result;
|
||||
use nu_cli::gather_parent_env_vars;
|
||||
use nu_cmd_base::util::get_init_cwd;
|
||||
use nu_lsp::LanguageServer;
|
||||
use nu_protocol::{
|
||||
engine::EngineState, eval_const::create_nu_constant, report_error_new, util::BufferedReader,
|
||||
PipelineData, RawStream, Span, Value, NU_VARIABLE_ID,
|
||||
@ -191,6 +192,10 @@ fn main() -> Result<()> {
|
||||
load_standard_library(&mut engine_state)?;
|
||||
}
|
||||
|
||||
if parsed_nu_cli_args.lsp {
|
||||
return LanguageServer::initialize_stdio_connection()?.serve_requests(engine_state);
|
||||
}
|
||||
|
||||
// IDE commands
|
||||
if let Some(ide_goto_def) = parsed_nu_cli_args.ide_goto_def {
|
||||
ide::goto_def(&mut engine_state, &script_name, &ide_goto_def);
|
||||
|
||||
1
tests/fixtures/lsp/completion/command.nu
vendored
Normal file
1
tests/fixtures/lsp/completion/command.nu
vendored
Normal file
@ -0,0 +1 @@
|
||||
config n
|
||||
3
tests/fixtures/lsp/completion/var.nu
vendored
Normal file
3
tests/fixtures/lsp/completion/var.nu
vendored
Normal file
@ -0,0 +1,3 @@
|
||||
let greeting = "Hello"
|
||||
|
||||
echo $gre
|
||||
5
tests/fixtures/lsp/goto/command.nu
vendored
Normal file
5
tests/fixtures/lsp/goto/command.nu
vendored
Normal file
@ -0,0 +1,5 @@
|
||||
def greet [name] {
|
||||
$"hello ($name)"
|
||||
}
|
||||
|
||||
greet nushell
|
||||
3
tests/fixtures/lsp/goto/var.nu
vendored
Normal file
3
tests/fixtures/lsp/goto/var.nu
vendored
Normal file
@ -0,0 +1,3 @@
|
||||
let greeting = "hello"
|
||||
|
||||
print $"($greeting) world!"
|
||||
4
tests/fixtures/lsp/hover/command.nu
vendored
Normal file
4
tests/fixtures/lsp/hover/command.nu
vendored
Normal file
@ -0,0 +1,4 @@
|
||||
# Renders some greeting message
|
||||
def hello [] {}
|
||||
|
||||
hello
|
||||
3
tests/fixtures/lsp/hover/var.nu
vendored
Normal file
3
tests/fixtures/lsp/hover/var.nu
vendored
Normal file
@ -0,0 +1,3 @@
|
||||
let my_var = (ls)
|
||||
|
||||
$my_var
|
||||
Loading…
Reference in New Issue
Block a user