Support for Extracting Nested CALL and PERFORM Statements

[MatteoBenvenuti]

Hello,

I'm currently using Proleap COBOL Parser to analyze COBOL files and extract all CALL and PERFORM statements from the code. I have a method that iterates through a list of statements and handles both CALL and PERFORM instructions. Here is my current code:

private Node extractNode(Node baseNode, List<Statement> statements) {
    for (Statement statement : statements) {
        // Handling CALL
        if (statement instanceof CallStatement callStatement) {
            ValueStmt programValueStmt = callStatement.getProgramValueStmt();
            if (programValueStmt != null && programValueStmt.getValue() != null) {
                baseNode.getCalls().add(programValueStmt.getValue().toString());
            }
        }

        // Handling PERFORM
        if (statement instanceof PerformStatement performStatement) {
            PerformProcedureStatement performProcedureStatement = performStatement.getPerformProcedureStatement();
            if (performProcedureStatement != null) {
                for (Call call : performProcedureStatement.getCalls()) {
                    baseNode.getPerforms().add(call.getName());
                }
            }
        }
      
        // Retrieve all inner statements from the current statement and call extractNode recursively
    }
}

I'm looking for a way to retrieve inner statements within each Statement instance to handle nested structures more effectively. Is there a method in Proleap that allows me to access these inner statements? Or is there an approach you would recommend for parsing and extracting all CALL and PERFORM instructions from deeply nested statements?

Thank you for your time and help!