67 lines
1.4 KiB
Rust
67 lines
1.4 KiB
Rust
use crate::common::Pos;
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use std::error::Error;
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use std::fmt::{self, Display};
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use std::io;
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use std::string::FromUtf8Error;
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#[derive(Debug)]
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pub struct SassError {
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message: String,
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pos: Pos,
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}
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impl SassError {
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pub fn new<S: Into<String>>(message: S, pos: Pos) -> Self {
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SassError {
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message: message.into(),
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pos,
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}
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}
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}
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impl Display for SassError {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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write!(f, "error: {} at {}", self.message, self.pos)
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}
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}
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impl From<io::Error> for SassError {
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fn from(error: io::Error) -> Self {
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SassError {
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pos: Pos::new(),
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message: format!("{}", error),
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}
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}
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}
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impl From<std::fmt::Error> for SassError {
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fn from(error: std::fmt::Error) -> Self {
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SassError {
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pos: Pos::new(),
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message: format!("{}", error),
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}
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}
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}
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impl From<FromUtf8Error> for SassError {
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fn from(error: FromUtf8Error) -> Self {
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SassError {
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pos: Pos::new(),
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message: format!("Invalid UTF-8 character \"\\x{:X?}\"", error.as_bytes()[0]),
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}
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}
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}
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impl From<SassError> for String {
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#[inline]
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fn from(error: SassError) -> String {
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error.message
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}
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}
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impl Error for SassError {
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fn description(&self) -> &'static str {
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"SASS parsing error"
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}
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}
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