Enum ForthError

pub enum ForthError {
    UnknownError,
    UnknownToken(String),
    NumberStackUnderflow,
    LoopStackUnderflow,
    ScratchStackUnderflow,
    InvalidCellOperation,
    InvalidSyntax(String),
    MissingSemicolonAfterColon,
    MissingCommandAfterColon,
    SemicolonBeforeColon,
    UnhandledTrap,
    RanOutOfGas,
    InternalNumericOverflow,
}

This Enum lists the errors that the Forth Interpreter might return

Variants

UnknownError

UnknownToken(String)

NumberStackUnderflow

LoopStackUnderflow

ScratchStackUnderflow

InvalidCellOperation

InvalidSyntax(String)

MissingSemicolonAfterColon

MissingCommandAfterColon

SemicolonBeforeColon

UnhandledTrap

RanOutOfGas

InternalNumericOverflow

Trait Implementations

impl Debug for ForthError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl From<ForthError> for i32

Helper to convert ForthError codes to numeric codes for exit()

fn from(err: ForthError) -> Self

Converts to this type from the input type.

impl From<StackMachineError> for ForthError

Convert StackMachineError to a ForthError so our Interpreter functions can return a single Error type.

fn from(err: StackMachineError) -> ForthError

Converts to this type from the input type.