sti

simplest STack Interpreter
made for educational purpose

Compilation

$ make

Open a file named test.sti , and paste :

push 1
push 1
add
print

Run :

$ ./sti test.sti

push (num) : push a num at the top of the stack
drop : drops the top element of the stack
dup : duplicate an element on top of the stack
swap : swap 2 elements on the top of the stack
over : copy the element below the top of the stack and put it at the top
not : doing the boolean not operation on the top of the stack element
eq : test equality between the first two element, drop them, and push the result on the top
lt : test less than between the first two element, drop them, and push the result on the top
jump (num) : jump to line num+1
jumpif (num) : if the top stack element is not 0, drop it, and jump to line num+1
add : add the two first element of the stack, drop them, and push the result at the top
print : print the top element as a num and drop it