Enum rust_forth_compiler::ForthError

pub enum ForthError {
    UnknownError,
    UnknownToken(String),
    PopOfEmptyStack,
    InvalidSyntax(String),
    MissingSemicolonAfterColon,
    Io(Error),
    UnhandledTrap,
    RanOutOfGas,
}

This Enum lists the errors that the Forth Interpreter might return

Variants

UnknownErrorUnknownToken(String)PopOfEmptyStackInvalidSyntax(String)MissingSemicolonAfterColonIo(Error)UnhandledTrapRanOutOfGas

Trait Implementations

impl From<Error> for ForthError

Convert io::Errors to a ForthError so our Interpreter functions can return a single Error type.

fn from(err: Error) -> ForthError

Performs the conversion.

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

Performs the conversion.

impl From<ForthError> for i32

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

fn from(err: ForthError) -> Self

Performs the conversion.

impl Debug for ForthError

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

Formats the value using the given formatter.