interpreter

Function eval_program

Source 
pub fn eval_program(
    env: &EnvRef,
    ast: Program,
) -> Result<(EnvRef, Rc<Value>), Error>
Expand description

Probably the most important function in the whole program, the main entry point of the SAP interpreter. It performs the actual execution of a program, returning a final result.

§Arguments

  • env - An EnvRef representing the starting global environment. Data may be inserted ahead of time.
  • ast - An AST root (Program) node representing the program that is to be executed.

§Returns

Either an Ok containing a tuple