Sha256: 922dea0403c0da327d6eb8e55d65479ad5a43733941cf74bebe6d8fa084a2bde
Contents?: true
Size: 950 Bytes
Versions: 69
Compression:
Stored size: 950 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
69 entries across 69 versions & 1 rubygems