pldi3
Interface Rp

public abstract interface Rp

Simple reverse polish interpreter.

Method Summary

void	add() pop the top two elements, add them and push the result
void	divide() pop the top two elements, divide the former second from top by the former top and push the result
void	load(int regno) Push the numbered register onto the stack
void	max() replace the top two elements by their maximum
void	min() replace the top two stack elements by their minimum
void	multiply() pop the top two elements, multiply them and push the result
float	popf() Pop the stack as a float
int	popi() Pop the stack as an integer
void	push(float f) Push a float onto the stack
void	push(int i) Push an integer onto the stack
void	sqrt() replace the top of stack by its square root
void	store(int regno) Pop the stack and store the result in the numbered register
void	subtract() pop the top two elements, subtract the former top from the former second from top and push the result

Method Detail

push

public void push(int i)

Push an integer onto the stack

push

public void push(float f)

Push a float onto the stack

popf

public float popf()

Pop the stack as a float

popi

public int popi()

Pop the stack as an integer

store

public void store(int regno)

Pop the stack and store the result in the numbered register

load

public void load(int regno)

Push the numbered register onto the stack

add

public void add()

pop the top two elements, add them and push the result

subtract

public void subtract()

pop the top two elements, subtract the former top from the former second from top and push the result

multiply

public void multiply()

pop the top two elements, multiply them and push the result

divide

public void divide()

pop the top two elements, divide the former second from top by the former top and push the result

min

public void min()

replace the top two stack elements by their minimum

sqrt

public void sqrt()

replace the top of stack by its square root

max

public void max()

replace the top two elements by their maximum