COBOL To Objective-C Converter
Other COBOL Converters
What Is COBOL To Objective-C Converter?
A COBOL to Objective-C converter is a valuable tool that helps developers and organizations update their legacy COBOL code into Objective-C, a programming language widely used for macOS and iOS application development. This online solution employs advanced technologies such as generative AI, machine learning, and natural language processing to ensure a seamless and efficient transition.
The conversion process consists of three main steps that enable a smooth transformation:
- Input: You start by providing the COBOL code that requires conversion. This input serves as the foundation for the entire process.
- Processing: The tool then analyzes the provided code. It utilizes sophisticated algorithms to understand the structure and logic of the COBOL code, ensuring accurate translation into Objective-C. During this phase, the converter identifies key constructs and translates them into the equivalent Objective-C syntax, maintaining the original functionality.
- Output: Finally, the converter delivers the generated Objective-C code, which is ready for integration into your applications. At this stage, you can verify that the output meets your needs and perform any necessary adjustments.
How Is COBOL Different From Objective-C?
COBOL is a programming language primarily crafted for business, finance, and administrative environments. Its design focuses on readability and ease of use, making it easier for developers to maintain existing systems that have been in place for years. This strong emphasis on clarity is what keeps many legacy systems operational. In contrast, Objective-C is widely utilized for developing applications on macOS and iOS platforms. It adopts object-oriented programming principles, which allows it to handle various tasks dynamically, making it quite versatile for app development.
Some of the notable distinctions between the two languages include:
- Style: COBOL employs a verbose syntax that is particularly suited for articulating complex business logic. This helps in making the code easier to read and understand. On the flip side, Objective-C melds C programming with Smalltalk-style messaging, promoting a more streamlined code structure that allows developers to execute tasks more efficiently.
- Memory Management: In COBOL, memory management is a manual process, requiring developers to be meticulous about how they allocate and free memory. This can lead to errors if not handled properly. Conversely, Objective-C simplifies memory management through Automatic Reference Counting (ARC), automatically keeping track of object references and freeing up memory when it’s no longer needed.
- Environment: COBOL typically operates in mainframe settings, where large-scale, data-intensive applications are common. Meanwhile, Objective-C is specifically designed to integrate seamlessly with Apple’s ecosystem, supporting the development of both mobile and desktop applications.
| Feature | COBOL | Objective-C |
|---|---|---|
| Primary Use | Business applications | Mobile and desktop apps |
| Syntactic Style | Verbose | Concise with object-oriented features |
| Memory Management | Manual | Automatic with ARC |
| Error Handling | Structured | Dynamic exceptions |
How Does Minary’s COBOL To Objective-C Converter Work?
Begin by detailing your task—this is where the magic of the COBOL To Objective-C converter truly starts. You’ll find a dedicated box on the left side of the generator, waiting for your input. Take a moment to describe what you need: whether it’s converting a data structure, a subroutine, or a complete program. The more precise you are, the better the output. After entering your details, simply click the ‘Generate’ button.
Once you hit generate, the power of the COBOL To Objective-C converter kicks in. The generator processes your request, analyzing your specifications and translating COBOL code into an Objective-C format. Before you know it, the converted code appears on the right side, ready for you to review. If you find the output meets your needs, you can easily copy it using the ‘Copy’ button located at the bottom of the results section.
To fine-tune this process, feedback is crucial. Alongside the generated code, you’ll see feedback vote buttons. Use these to rate whether the code aligns with your expectations. Your input helps train and improve the AI, ensuring better results with each interaction.
For example, if you’re converting a COBOL program that calculates employee salaries, describe it in detail: “Convert a COBOL program that computes employee salaries based on hours worked and pay rate.” After clicking generate, the converter will provide the corresponding Objective-C code for you to utilize.
Examples Of Converted Code From COBOL To Objective-C
PROGRAM-ID. FactorialCalculator.
ENVIRONMENT DIVISION.
DATA DIVISION.
WORKING-STORAGE SECTION.
01 WS-NUMBER PIC 9(3).
01 WS-FACTORIAL PIC 9(20) VALUE 1.
01 WS-INDEX PIC 9(3) VALUE 1.
01 WS-VALID PIC X(5) VALUE ‘TRUE’.
01 WS-DISPLAY-MSG PIC X(50).
01 WS-INPUT PIC X(10).
PROCEDURE DIVISION.
MAIN-PROCEDURE.
DISPLAY ‘Enter a non-negative integer: ‘ WITH NO ADVANCING.
ACCEPT WS-INPUT.
IF WS-INPUT NUMERIC
THEN
MOVE FUNCTION NUMVAL(WS-INPUT) TO WS-NUMBER
IF WS-NUMBER < 0
THEN
MOVE 'Error: Input must be a non-negative integer.' TO WS-DISPLAY-MSG
DISPLAY WS-DISPLAY-MSG
STOP RUN
END-IF
ELSE
MOVE 'Error: Input is not a valid integer.' TO WS-DISPLAY-MSG
DISPLAY WS-DISPLAY-MSG
STOP RUN
END-IF.
PERFORM CALCULATE-FACTORIAL.
DISPLAY 'The factorial of ' WS-NUMBER ' is ' WS-FACTORIAL.
STOP RUN.
CALCULATE-FACTORIAL.
PERFORM VARYING WS-INDEX FROM 1 BY 1 UNTIL WS-INDEX > WS-NUMBER
MULTIPLY WS-FACTORIAL BY WS-INDEX GIVING WS-FACTORIAL
END-PERFORM.
@interface FactorialCalculator : NSObject
– (void)run;
@end
@implementation FactorialCalculator
– (void)run {
int wsNumber = 0;
long long wsFactorial = 1;
int wsIndex = 1;
NSString *wsDisplayMsg;
char wsInput[10];
printf(“Enter a non-negative integer: “);
scanf(“%s”, wsInput);
NSString *inputString = [NSString stringWithUTF8String:wsInput];
NSScanner *scanner = [NSScanner scannerWithString:inputString];
if ([scanner scanInteger:&wsNumber] && [scanner isAtEnd]) {
if (wsNumber < 0) {
wsDisplayMsg = @"Error: Input must be a non-negative integer.";
NSLog(@"%@", wsDisplayMsg);
return;
}
} else {
wsDisplayMsg = @"Error: Input is not a valid integer.";
NSLog(@"%@", wsDisplayMsg);
return;
}
// Calculate factorial
while (wsIndex <= wsNumber) {
wsFactorial *= wsIndex;
wsIndex++;
}
NSLog(@"The factorial of %d is %lld", wsNumber, wsFactorial);
}
@end
int main(int argc, const char * argv[]) {
@autoreleasepool {
FactorialCalculator *calculator = [[FactorialCalculator alloc] init];
[calculator run];
}
return 0;
}
PROGRAM-ID. EmployeeSalaryReport.
ENVIRONMENT DIVISION.
INPUT-OUTPUT SECTION.
FILE-CONTROL.
SELECT EmployeeFile ASSIGN TO ’employee.dat’
ORGANIZATION IS LINE SEQUENTIAL.
SELECT ReportFile ASSIGN TO ‘report.txt’
ORGANIZATION IS LINE SEQUENTIAL.
DATA DIVISION.
FILE SECTION.
FD EmployeeFile.
01 EmployeeRecord.
05 EmployeeName PIC X(30).
05 EmployeeSalary PIC 9(7)V99.
FD ReportFile.
01 ReportRecord.
05 TotalEmployees PIC 9(5).
05 HighestSalary PIC 9(7)V99.
05 AverageSalary PIC 9(7)V99.
WORKING-STORAGE SECTION.
01 WS-Counters.
05 EmployeeCount PIC 9(5) VALUE 0.
05 MaxSalary PIC 9(7)V99 VALUE 0.
05 TotalSalary PIC 9(7)V99 VALUE 0.
01 WS-FileStatus PIC X(2).
PROCEDURE DIVISION.
MAIN-PROGRAM.
OPEN INPUT EmployeeFile
OPEN OUTPUT ReportFile
PERFORM UNTIL WS-FileStatus = “10”
READ EmployeeFile INTO EmployeeRecord
AT END
MOVE “10” TO WS-FileStatus
NOT AT END
ADD 1 TO EmployeeCount
ADD EmployeeSalary TO TotalSalary
IF EmployeeSalary > MaxSalary
MOVE EmployeeSalary TO MaxSalary
END-IF
END-READ
END-PERFORM
IF EmployeeCount > 0
COMPUTE AverageSalary = TotalSalary / EmployeeCount
ELSE
MOVE 0 TO AverageSalary
END-IF
MOVE EmployeeCount TO TotalEmployees
MOVE MaxSalary TO HighestSalary
WRITE ReportRecord
CLOSE EmployeeFile
CLOSE ReportFile
STOP RUN.
@interface EmployeeSalaryReport : NSObject
– (void)generateReport;
@end
@implementation EmployeeSalaryReport
– (void)generateReport {
NSFileHandle *employeeFile = [NSFileHandle fileHandleForReadingAtPath:@”employee.dat”];
NSFileHandle *reportFile = [NSFileHandle fileHandleForWritingAtPath:@”report.txt”];
if (!employeeFile || !reportFile) {
NSLog(@”Error opening files.”);
return;
}
NSUInteger employeeCount = 0;
NSUInteger maxSalary = 0;
NSUInteger totalSalary = 0;
NSUInteger averageSalary = 0;
NSString *fileStatus = @”00″;
while (![fileStatus isEqualToString:@”10″]) {
NSData *data = [employeeFile availableData];
if ([data length] == 0) {
fileStatus = @”10″; // End of file
} else {
NSString *record = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
NSString *employeeName = [record substringToIndex:30];
NSString *salaryString = [record substringWithRange:NSMakeRange(30, 9)];
NSUInteger employeeSalary = [[salaryString stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]] integerValue];
employeeCount++;
totalSalary += employeeSalary;
if (employeeSalary > maxSalary) {
maxSalary = employeeSalary;
}
}
}
if (employeeCount > 0) {
averageSalary = totalSalary / employeeCount;
}
NSString *reportRecord = [NSString stringWithFormat:@”%05lu%07lu%07lun”, (unsigned long)employeeCount, (unsigned long)maxSalary, (unsigned long)averageSalary];
[reportFile writeData:[reportRecord dataUsingEncoding:NSUTF8StringEncoding]];
[employeeFile closeFile];
[reportFile closeFile];
}
@end
int main(int argc, const char * argv[]) {
@autoreleasepool {
EmployeeSalaryReport *report = [[EmployeeSalaryReport alloc] init];
[report generateReport];
}
return 0;
}
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