Sage X3 4GL Developer Tools

A comprehensive Language Server Protocol (LSP) extension for 4GL and Sage X3 development in Visual Studio Code.

✨ Features

🚀 Intelligent Code Completion

• Keywords: Complete 4GL, SQL, and Sage X3 specific keywords
• Built-in Functions: Over 50+ pre-defined functions with documentation
• Code Snippets: Ready-to-use templates for common patterns
• Variables & Functions: Context-aware suggestions from your code

📝 Code Snippets

• function-template: Complete function definition with parameters
• validate-customer: Customer validation with error handling
• calculate-totals: Order totals calculation with tax and discounts

🎨 Language Features

• Syntax Highlighting: Rich syntax coloring for 4GL and Sage X3
• Error Detection: Real-time syntax validation
• Hover Information: Function documentation on hover
• Go to Definition: Navigate to symbol definitions

📁 File Support

• .4gl - Standard 4GL files
• .src - Sage X3 source files (like SPESDH.src, GESADD.src)

🛠️ Installation

1. From VS Code Marketplace:

   • Open VS Code
   • Go to Extensions (Ctrl+Shift+X)
   • Search for "Sage X3 4GL Developer Tools"
   • Click Install

2. From Command Line:

   code --install-extension SageX3helper.fourgl-language-support
   

🚦 Quick Start

1. Create or open a .4gl or .src file
2. Start typing to see intelligent completions
3. Try snippets:
   • Type function-template for a complete function
   • Type validate-customer for validation logic
   • Type calculate-totals for calculation patterns

📋 Code Snippets Examples

Function Template

Type: function-template → Press Tab

Function MY_FUNCTION(PARAM1, PARAM2) 
Local Decimal LRESULT
  # Function implementation
  LRESULT = 0
  
End LRESULT

Customer Validation

Type: validate-customer → Press Tab

# Validate customer exists and is active
If [CUSTOMER] <> [CUSTOMER] Where CUSTOMER_CODE = "CUSTOMER123"
  GERROR = 1
  Call GESTCRE From GESADD With "MODULE", "Customer not found: " + CUSTOMER_CODE, 1
  Return
Endif

⚙️ Configuration

The extension provides the following configuration options:

• fourgl.maxNumberOfProblems: Maximum number of problems reported (default: 100)
• fourgl.trace.server: LSP communication tracing (off/messages/verbose)

🎯 Use Cases

Perfect for developers working with:

• Sage X3 ERP development
• 4GL programming languages
• Business application development
• Database-driven applications

🤝 Contributing

We welcome contributions! Please see our GitHub repository for:

• 🐛 Bug reports
• 💡 Feature requests
• 🔧 Code contributions
• 📖 Documentation improvements

📜 License

This extension is licensed under the MIT License.

🆕 Release Notes

1.0.0

• Initial release
• Complete LSP implementation
• Code completion for keywords, functions, and variables
• Code snippets for common patterns
• Syntax highlighting for .4gl and .src files
• Support for Sage X3 development

Enjoy coding with Sage X3 4GL Developer Tools! 🎉

For support and feedback, please visit our GitHub repository.