Added to Calculator module:
- Global variable: PI
- Function add(x, y): Parameters, binary operations, assignments, returns
- Function isPositive(num): If/else statements, boolean literals, conditions
- Function sumTo(n): While loops, assignments, complex control flow
Now demonstrates:
- Functions with parameters and return types
- Multiple statement types (Assignment, IfStatement, WhileLoop, Return)
- Multiple expression types (BinaryOperation, VariableReference, Literals)
- Type annotations (PrimitiveType)
Should generate meaningful text output for textgen validation.
Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
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