Sha256: 43fff94e219fcb0a66960f58dd0ee6f9aa94240fed157ae26124a64d004296d1
Contents?: true
Size: 951 Bytes
Versions: 327
Compression:
Stored size: 951 Bytes
Contents
defmodule Forth do
@opaque evaluator :: any
@doc """
Create a new evaluator.
"""
@spec new() :: evaluator
def new() do
end
@doc """
Evaluate an input string, updating the evaluator state.
"""
@spec eval(evaluator, String.t) :: evaluator
def eval(ev, s) do
end
@doc """
Return the current stack as a string with the element on top of the stack
being the rightmost element in the string.
"""
@spec format_stack(evaluator) :: String.t
def format_stack(ev) do
end
defmodule StackUnderflow do
defexception []
def message(_), do: "stack underflow"
end
defmodule InvalidWord do
defexception [word: nil]
def message(e), do: "invalid word: #{inspect e.word}"
end
defmodule UnknownWord do
defexception [word: nil]
def message(e), do: "unknown word: #{inspect e.word}"
end
defmodule DivisionByZero do
defexception []
def message(_), do: "division by zero"
end
end
Version data entries
327 entries across 327 versions & 1 rubygems