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104 lines
3.4 KiB
Rust
104 lines
3.4 KiB
Rust
//! defines `ParseError` and others.
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//!
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//! パーサーが出すエラーを定義
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use erg_common::{impl_stream_for_wrapper, switch_lang};
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use erg_common::Str;
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use erg_common::config::Input;
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use erg_common::error::{ErrorCore, ErrorDisplay, MultiErrorDisplay, Location, ErrorKind::*};
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use erg_common::traits::Stream;
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#[derive(Debug)]
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pub struct LexError(ErrorCore);
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#[derive(Debug)]
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pub struct LexErrors(Vec<LexError>);
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impl_stream_for_wrapper!(LexErrors, LexError);
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impl LexError {
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pub const fn new(core: ErrorCore) -> Self { Self(core) }
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pub fn compiler_bug(errno: usize, loc: Location, fn_name: &str, line: u32) -> Self {
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Self::new(ErrorCore::new(errno, CompilerSystemError, loc, switch_lang!(
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format!("this is a bug of the Erg compiler, please report it to https://github.com/mtshiba/erg\ncaused from: {fn_name}:{line}"),
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format!("これはErg compilerのバグです、開発者に報告して下さい (https://github.com/mtshiba/erg)\n{fn_name}:{line}より発生")
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), None))
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}
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pub fn feature_error(errno: usize, loc: Location, name: &str) -> Self {
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Self::new(ErrorCore::new(errno, FeatureError, loc, switch_lang!(
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format!("this feature({name}) is not implemented yet"),
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format!("この機能({name})はまだ正式に提供されていません")
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), None))
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}
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pub fn simple_syntax_error(errno: usize, loc: Location) -> Self {
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Self::new(ErrorCore::new(errno, SyntaxError, loc, switch_lang!("invalid syntax", "不正な構文です"), None))
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}
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pub fn syntax_error<S: Into<Str>>(errno: usize, loc: Location, desc: S, hint: Option<Str>) -> Self {
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Self::new(ErrorCore::new(errno, SyntaxError, loc, desc, hint))
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}
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pub fn syntax_warning<S: Into<Str>>(errno: usize,loc: Location, desc: S, hint: Option<Str>) -> Self {
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Self::new(ErrorCore::new(errno, SyntaxWarning, loc, desc, hint))
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}
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}
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pub type LexResult<T> = Result<T, LexError>;
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pub type ParseError = LexError;
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pub type ParseErrors = LexErrors;
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pub type ParseResult<T> = Result<T, ParseError>;
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#[derive(Debug)]
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pub struct DesugaringError {
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pub core: ErrorCore,
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}
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impl DesugaringError {
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pub const fn new(core: ErrorCore) -> Self { Self{ core }}
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}
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#[derive(Debug)]
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pub struct DesugaringErrors(Vec<DesugaringError>);
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impl_stream_for_wrapper!(DesugaringErrors, DesugaringError);
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pub type DesugaringResult<T> = Result<T, DesugaringError>;
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#[derive(Debug)]
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pub struct ParserRunnerError {
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pub core: ErrorCore,
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pub input: Input,
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}
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impl ErrorDisplay for ParserRunnerError {
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fn core(&self) -> &ErrorCore { &self.core }
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fn input(&self) -> &Input { &self.input }
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fn caused_by(&self) -> &str { "" }
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fn ref_inner(&self) -> Option<&Box<Self>> { None }
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}
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impl ParserRunnerError {
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pub const fn new(core: ErrorCore, input: Input) -> Self { Self{ core, input } }
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}
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#[derive(Debug)]
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pub struct ParserRunnerErrors(Vec<ParserRunnerError>);
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impl_stream_for_wrapper!(ParserRunnerErrors, ParserRunnerError);
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impl MultiErrorDisplay<ParserRunnerError> for ParserRunnerErrors {}
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impl ParserRunnerErrors {
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pub fn convert(input: &Input, errs: ParseErrors) -> Self {
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Self(errs.into_iter().map(|err| ParserRunnerError::new(err.0, input.clone())).collect())
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}
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}
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pub type ParserRunnerResult<T> = Result<T, ParserRunnerError>;
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pub type LexerRunnerError = ParserRunnerError;
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pub type LexerRunnerErrors = ParserRunnerErrors;
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pub type LexerRunnerResult<T> = Result<T, LexerRunnerError>;
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