Trait erg_common::error::ErrorDisplay

source ·

pub trait ErrorDisplay {
    fn core(&self) -> &ErrorCore;
    fn input(&self) -> &Input;
    fn theme(&self) -> &Theme;
    fn caused_by(&self) -> &str;
    fn ref_inner(&self) -> Option<&Self>;

    fn write_to_stderr(&self) { ... }
    fn write_to<W: Write>(&self, w: &mut W) { ... }
    fn show(&self) -> String { ... }
    fn format(&self, f: &mut Formatter<'_>) -> Result { ... }
    fn format_header(&self, kind: StyledString) -> String { ... }
    fn format_code_and_pointer(
        &self,
        err_color: Color,
        gutter_color: Color,
        mark: char,
        chars: &Characters
    ) -> String { ... }
}

Expand description

format:

Error[#{.errno}]: File {file}, line {.loc (as line)}, in {.caused_by}
{.loc (as line)}| {src}
{pointer}
{.kind}: {.desc}

{.hint}

example:

Error[#2223]: File <stdin>, line 1, in <module>

1 | 100 = i
    ---
      ╰─ SyntaxError: cannot assign to 100

hint: hint message here

Required Methods

source

fn core(&self) -> &ErrorCore

source

fn input(&self) -> &Input

source

fn theme(&self) -> &Theme

Colors and indication char for each type(error, warning, exception)

source

fn caused_by(&self) -> &str

The block name the error caused. This will be None if the error occurred before semantic analysis. As for the internal error, do not put the fn name here.

source