Create lsp server

Author: satyakigh

CHANGELOG.md

@@ -0,0 +1,47 @@
+# Changelog
+
+All notable changes to the AWS CloudFormation Language Server will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [0.0.1]
+
+### Added
+- **Language Server Protocol**: Full LSP implementation for CloudFormation templates with comprehensive language features
+- **Intelligent Completion System**:
+  - Advanced completion engine with fuzzy matching using Fuse.js
+  - Resource type and property completion
+  - Intrinsic function completion with parameter suggestions
+  - Parameter type and value completion
+  - Condition and mapping completion
+  - Top-level section completion
+- **Hover Documentation**: 
+  - Contextual help for CloudFormation resources, properties, and intrinsic functions
+  - Parameter documentation with type information
+  - Condition and mapping hover support
+  - Template section documentation
+  - Pseudo-parameter reference information
+- **Document Processing**:
+  - Tree-sitter parsing for YAML and JSON CloudFormation templates
+  - Partial JSON parsing for incomplete documents
+  - CloudFormation template detection and validation
+  - Document symbol extraction and indexing
+  - Multi-format support (JSON/YAML)
+- **Schema Validation**:
+  - CloudFormation resource schema validation and enforcement
+  - Regional schema support with automatic retrieval
+  - Private and combined schema handling
+  - Remote schema caching and management
+- **AWS Service Integration**:
+  - CloudFormation API integration for stack operations
+  - IAM service integration for permission validation
+- **Diagnostics and Validation**:
+  - Real-time syntax and semantic validation
+  - cfn-lint integration with Pyodide worker for Python-based linting
+  - Comprehensive error detection and reporting
+  - Code action suggestions for common issues
+- **Navigation Features**:
+  - Go-to-definition functionality for CloudFormation references
+  - Document symbol support for template navigation
+  - Context-aware entity resolution

CODE_OF_CONDUCT.md

@@ -1,4 +1,4 @@
 ## Code of Conduct
 This project has adopted the [Amazon Open Source Code of Conduct](https://aws.github.io/code-of-conduct).
 For more information see the [Code of Conduct FAQ](https://aws.github.io/code-of-conduct-faq) or contact
-opensource-codeofconduct@amazon.com with any additional questions or comments.
+opensource-codeofconduct@amazon.com with any additional questions or comments.

CONTRIBUTING.md

@@ -56,4 +56,4 @@ If you discover a potential security issue in this project we ask that you notif
 
 ## Licensing
 
-See the [LICENSE](LICENSE) file for our project's licensing. We will ask you to confirm the licensing of your contribution.
+See the [LICENSE](LICENSE) file for our project's licensing. We will ask you to confirm the licensing of your contribution.

README.md

@@ -42,4 +42,4 @@ A LSP server implementation that provides intelligent editing support for CloudF
 
 ## License
 
-Licensed under the Apache License, Version 2.0. See [LICENSE.txt](LICENSE.txt) for details.
+Licensed under the Apache License, Version 2.0. See [LICENSE](LICENSE) for details.

cfn-init/.gitignore

@@ -0,0 +1,10 @@
+# Go build artifacts
+*.out
+*.test
+
+# IDE files
+.vscode/
+.idea/
+
+# OS files
+.DS_Store

cfn-init/ATTRIBUTION_README.md

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+# Go Attribution Guide
+
+### 0. Install license tools (Only required once)
+
+```bash
+go install github.com/google/go-licenses/v2@latest
+```
+
+**Note**: Ensure `$GOPATH/bin` is in your PATH:
+```bash
+export PATH=$PATH:$(go env GOPATH)/bin
+```
+
+### 1. Regenerate dependencies first
+
+```bash
+go mod tidy
+go mod download
+```
+
+### 2. Generate Cross-Platform Attribution (Automated)
+
+Use the automated script to generate both files for all Go-supported platforms (go-licenses needs to be ran for each platform because sometimes indirect dependencies change per platform):
+
+```bash
+go run generate-attribution.go
+```
+
+This script will:
+- **Generate `licenses.csv`**: Scans all Go-supported platforms and creates a CSV
+- **Generate `THIRD-PARTY-LICENSES.txt`**: Creates attribution document from all platforms
+
+### Template File
+
+The `attribution.tmpl` file contains:
+
+```go
+{{range .}}{{.Name}}
+{{.Version}} <{{.LicenseURL}}>
+
+{{.LicenseText}}
+
+
+******************************
+
+{{end}}
+```
+
+### Misc
+
+#### Check licenses (Optional - for validation and compliance)
+
+These commands help validate license compliance and prevent prohibited licenses:
+
+```bash
+go-licenses check ./... --ignore cfn-init
+
+# Check for forbidden licenses
+go-licenses check ./... --ignore cfn-init --disallowed_types=<LICENSE1>,<LICENSE2>
+
+# Allow only specific licenses
+go-licenses check ./... --ignore cfn-init --allowed_licenses=<LICENSE1>,<LICENSE2>,<LICENSE3>
+```