Document can be found at: https://mxr2000.github.io/llop_doc
Grammar of the language: https://github.com/mxr2000/llvm_oop/blob/master/lib/Parser/LLOP.g4
This is only tested on Mac❗
Prerequisite:
- LLVM 16
- Antlr4 Runtime
- Cmake
Install Dependencies
./bin/bootstrap.shBuild:
mkdir build
cd build
cmake ..
cmake --build .Example of a program: https://github.com/mxr2000/llvm_oop/blob/master/examples/demo.llop
CLASS Person (Object) []
BEGIN
VAR age: Int
VAR salary: Int
FUNC init(age: Int, salary: Int) -> Void
BEGIN
SELF.age = age
SELF.salary = salary
END
FUNC getAge() -> Int
BEGIN
RETURN SELF.age
END
FUNC getSalary() -> Int
BEGIN
RETURN SELF.age
END
END
STATIC Person
BEGIN
FUNC compare(p1: Person, p2: Person) -> Int
BEGIN
RETURN p1.getAge() - p2.getAge()
END
END
INTERFACE Consumer
BEGIN
FUNC consume() -> Void
FUNC earn() -> Void
END
CLASS Employee (Person) [Consumer]
BEGIN
VAR id: Int
FUNC init(age: Int, salary: Int, id: Int) -> Void
BEGIN
SUPER.init(age, salary)
SELF.id = id
END
FUNC getSalary() -> Int
BEGIN
RETURN 0
END
FUNC consume() -> Void
BEGIN
IF (SELF.salary > 1000) THEN
SELF.salary = 1000
WHILE (SELF.salary > 0)
SELF.salary = SELF.salary - 1
IF (SELF.salary < 0) THEN
BEGIN
SELF.salary = SELF.salary + 10
END
END
FUNC earn() -> Void
BEGIN
END
FUNC eat() -> Void
BEGIN
VAR num1: Int
VAR num2: Int
num1 = 30
num2 = 45
OUTPUT (num1 + num2) * 2
END
END
STATIC Program
BEGIN
FUNC main() -> Int
BEGIN
VAR person: Person
VAR employee: Employee
VAR e: Employee
person = NEW Person(10, 100)
employee = NEW Employee(20, 1000, 20)
employee.eat()
e = person.[Employee]
RETURN 0
END
END