Add bsl-language-server support for 1C:Enterprise language

[Copilot]

• Create BSL language server implementation in src/solidlsp/language_servers/bsl_language_server.py
  • Automatic version detection via GitHub API (/releases/latest endpoint)
  • Auto-updates to new versions when available (checks every 8 minutes, same as vsc-language-1c-bsl)
  • Stores version info in SERVER-INFO file (version + last update check timestamp)
  • Cleans up old versions after update
  • Downloads platform-specific ZIP from GitHub releases (win/nix/mac)
  • Bundled runtime included, no Java required
  • Correct executable paths for each platform
  • Fallback to hardcoded version if GitHub API is unavailable
  • Supports custom executable path and BSL LS configuration via ls_specific_settings
  • LSP capabilities based on official BSL LS source code (BSLLanguageServer.java):
    • hover, definition, references
    • documentSymbol, formatting, rangeFormatting
    • codeAction (quickfix, refactor), codeLens
    • documentLink, colorProvider, rename, inlayHint
    • publishDiagnostics, foldingRange, selectionRange
    • callHierarchy, semanticTokens (full+delta+range), workspaceSymbol
• Add BSL language to the Language enum in src/solidlsp/ls_config.py
• Create test repository with BSL source files
• Create test suite (4 tests pass)
• Add BSL pytest marker to pyproject.toml
• Update README.md and CHANGELOG.md

Original prompt

Add bsl-language-server. See https://github.com/oraios/serena/blob/main/.serena/memories/adding_new_language_support_guide.md

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[nixel2007]

@copilot Не качай jar, качай zip под операционную систему

[Copilot]

@copilot Не качай jar, качай zip под операционную систему

Сделано в коммите 8e5456a. Теперь скачивается ZIP архив под конкретную ОС:

• Windows: bsl-language-server_win.zip
• Linux: bsl-language-server_nix.zip
• macOS: bsl-language-server_mac.zip

Пути к исполняемому файлу тоже учитывают разную структуру для каждой платформы (включая .app/Contents/MacOS/ для macOS).

[Copilot]

Just as a heads up, I was blocked by some firewall rules while working on your feedback. Expand below for details.

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• https://api.github.com/repos/1c-syntax/bsl-language-server/releases/latest
  • Triggering command: /home/REDACTED/work/serena/serena/.venv/bin/pytest pytest test -vv -m bsl (http block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)

[Copilot]

Just as a heads up, I was blocked by some firewall rules while working on your feedback. Expand below for details.

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• https://api.github.com/repos/1c-syntax/bsl-language-server/releases/latest
  • Triggering command: /home/REDACTED/work/serena/serena/.venv/bin/pytest pytest test -vv -m bsl (http block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)

[nixel2007]

@copilot запусти тесты

[Copilot]

@copilot запусти тесты

Тесты BSL пройдены успешно:

test/solidlsp/bsl/test_bsl_basic.py::TestBSLLanguageServer::test_ls_is_running[bsl-bsl] PASSED
test/solidlsp/bsl/test_bsl_basic.py::TestBSLLanguageServer::test_find_document_symbols[bsl-bsl] PASSED
test/solidlsp/bsl/test_bsl_basic.py::TestBSLLanguageServer::test_find_definition_within_file[bsl-bsl] PASSED
test/solidlsp/bsl/test_bsl_basic.py::TestBSLLanguageServer::test_find_references_within_file[bsl-bsl] PASSED

4 passed, 1 skipped, 699 deselected, 6 warnings in 21.59s

[Copilot]

Pull request overview

This PR adds comprehensive support for BSL (1C:Enterprise 8) language via the bsl-language-server, enabling Serena to work with 1C:Enterprise projects. The implementation includes automatic version detection and updates via GitHub API, platform-specific binary distribution with bundled runtime (no Java required), and comprehensive test coverage.

Key changes:

• Automatic language server installation with version management and update checks every 8 minutes
• Platform-specific executable handling for Windows, Linux, and macOS with correct paths for each platform
• Comprehensive test suite covering language server startup, document symbols, go-to-definition, and find references

Reviewed changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
src/solidlsp/language_servers/bsl_language_server.py	Core implementation of BSL language server with automatic download, version management, update checking, and platform-specific executable handling
src/solidlsp/ls_config.py	Added BSL to Language enum, file matchers for .bsl and .os extensions, and language server class mapping
test/solidlsp/bsl/test_bsl_basic.py	Test suite covering language server startup, document symbols, go-to-definition, and find references functionality
test/solidlsp/bsl/__init__.py	Test module initialization file
test/resources/repos/bsl/test_repo/main.bsl	Main test file with functions and procedures for testing BSL language server capabilities
test/resources/repos/bsl/test_repo/helper.bsl	Helper module with utility functions for cross-file reference testing
test/resources/repos/bsl/test_repo/simple_var.bsl	Simple variable test module for additional test coverage
pyproject.toml	Added BSL pytest marker for test organization
README.md	Updated supported languages list to include BSL (1C:Enterprise)
CHANGELOG.md	Documented the new BSL language support with feature details

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