Vybe Documentation

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Grammar & Syntax

This file documents the syntactic structures and statements supported by the Vybe parser.

Declarations

Program Structure

• Module: Module ... End Module
• Class: Class ... End Class
• Enum: Enum ... End Enum

Procedure Declarations

• Sub: Sub Name(params) ... End Sub
• Function: Function Name(params) As Type ... End Function
• Property: Property Name As Type ... [Get ... End Get] [Set ... End Set] End Property

Variables & Constants

• Dim: Dim Name [As Type] [= Value]
• Const: [Visibility] Const Name As Type = Value

Control Flow Statements

Conditional

• If...Then: Multi-line and single-line If statements.
• Select Case: Supports value matching, ranges (1 To 10), and comparison rules (Is > 5).

Loops

• For...Next: Standard counting loop.
• For Each: Collection iteration.
• While: Pre-condition loop.
• Do...Loop: Supports While and Until clauses at start or end.

Error Handling

• Try...Catch: Structured error handling with Catch and Finally blocks.

Expressions

• Arithmetic: +, -, *, /, \, ^, Mod, & (string concatenation).
• Logical: And, Or, Not, AndAlso, OrElse, Xor.
• Comparison: =, <>, <, <=, >, >=, Is, IsNot.
• Primary: Variable access, method calls, constant access, and literals.
• Advanced: Lambda expressions, array literals.