Features

The BBj Language Server provides a comprehensive set of features to enhance your BBj development experience in VS Code.

Code Completion

Get intelligent suggestions as you type:

• BBj Keywords: All BBj verbs and statements
• Built-in Functions: Complete list of BBj functions with documentation
• Variables: Global and local variable suggestions
• Java Classes: Full Java class, method, and field completions
• Snippets: Common code patterns and templates

Completion Triggers

Completions automatically appear when:

• Typing after a dot (.) for method/field access
• Starting a new statement
• Inside function parameters
• After use statements for class imports

Syntax Highlighting

Rich semantic highlighting for:

• Keywords and verbs
• String literals and numbers
• Comments (single-line and multi-line)
• Class and method names
• Variable references
• Labels and line numbers

Validation and Diagnostics

Real-time error detection:

• Syntax Errors: Invalid BBj syntax
• Undefined References: Missing variables, labels, or classes
• Access Violations: Incorrect access to class members
• Type Mismatches: Incompatible type operations

Errors appear as you type with detailed messages and quick fixes where available.

Hover Information

Hover over elements to see:

• Functions: Parameter signatures and documentation
• Variables: Type information
• Classes: Java class documentation (JavaDoc)
• Methods: Method signatures with parameter names

Code Navigation

Go to Definition

• F12 or Ctrl+Click to jump to definitions
• Works for classes, methods, variables, and labels
• Supports cross-file navigation

Find All References

• Shift+F12 to find all usages
• Useful for refactoring and understanding code

Document Symbols

• Ctrl+Shift+O to list all symbols in the file
• Quick navigation within large files
• Shows classes, methods, variables, and labels

Code Formatting

Format your BBj code with configurable options:

• Indentation: Configurable indent width
• Line Continuation: Option to remove line continuations
• Keyword Case: Convert keywords to uppercase
• IF Statement Formatting: Split single-line IF statements

Format the document with Shift+Alt+F or configure format-on-save.

Developer Commands

Run Commands

Command	Shortcut	Description
Run as GUI	Alt+G	Run program in BBj GUI mode
Run as BUI	Alt+B	Run program as BUI web application
Run as DWC	Alt+D	Run program as DWC application

Build Commands

Command	Shortcut	Description
Compile	Alt+C	Compile BBj program to bytecode
Decompile	Alt+X	Decompile compiled BBj program
Denumber	Alt+N	Remove line numbers from program

Configuration Commands

• Show config.bbx: Open the BBj configuration file
• Show BBj.properties: Open BBj properties file
• Open Enterprise Manager: Launch the EM web interface
• Show Classpath Entries: Display available classpath entries

Java Integration

Seamless integration with Java classes:

• Class Completions: All classes from configured classpath
• Method Signatures: Full parameter information
• Field Access: Public field completions
• JavaDoc: Documentation from Java sources
• Import Suggestions: Automatic use statement suggestions

Snippets

Built-in code snippets for common patterns:

• Comment blocks
• Routine definitions
• Interface declarations
• Boolean constants (BBjAPI.TRUE/BBjAPI.FALSE)
• Control structures

Access snippets by typing the prefix and pressing Tab.

File Support

The extension supports multiple BBj file types:

Extension	Description
.bbj	BBj source files
.bbl	BBj library files
.bbjt	BBj template files
.bbx	BBj configuration files

Workspace Features

• Multi-file Support: Cross-file references and navigation
• Class Indexing: Automatic indexing of class definitions
• Import Resolution: Resolve imports across workspace
• Symbol Search: Workspace-wide symbol search

Auto-Save

Configure automatic saving before running programs:

{
  "bbj.web.AutoSaveUponRun": true
}