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switch to upstream unescape

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This commit is contained in:
Aleksey Kladov 2019-07-24 11:47:28 +03:00
parent c79eea9fc1
commit 2473cb6a5c
4 changed files with 91 additions and 529 deletions
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91
crates/ra_syntax/src/validation.rs
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@ -1,16 +1,99 @@
mod unescape;
mod block;
mod field_expr;
use ra_rustc_lexer::unescape;
use crate::{
algo::visit::{visitor_ctx, VisitorCtx},
ast, SyntaxError,
ast, SyntaxError, SyntaxErrorKind,
SyntaxKind::{BYTE, BYTE_STRING, CHAR, STRING},
SyntaxNode, TextUnit, T,
};
pub(crate) use unescape::EscapeError;
#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub enum EscapeError {
ZeroChars,
MoreThanOneChar,
LoneSlash,
InvalidEscape,
BareCarriageReturn,
EscapeOnlyChar,
TooShortHexEscape,
InvalidCharInHexEscape,
OutOfRangeHexEscape,
NoBraceInUnicodeEscape,
InvalidCharInUnicodeEscape,
EmptyUnicodeEscape,
UnclosedUnicodeEscape,
LeadingUnderscoreUnicodeEscape,
OverlongUnicodeEscape,
LoneSurrogateUnicodeEscape,
OutOfRangeUnicodeEscape,
UnicodeEscapeInByte,
NonAsciiCharInByte,
}
impl From<ra_rustc_lexer::unescape::EscapeError> for EscapeError {
fn from(err: ra_rustc_lexer::unescape::EscapeError) -> Self {
match err {
ra_rustc_lexer::unescape::EscapeError::ZeroChars => EscapeError::ZeroChars,
ra_rustc_lexer::unescape::EscapeError::MoreThanOneChar => EscapeError::MoreThanOneChar,
ra_rustc_lexer::unescape::EscapeError::LoneSlash => EscapeError::LoneSlash,
ra_rustc_lexer::unescape::EscapeError::InvalidEscape => EscapeError::InvalidEscape,
ra_rustc_lexer::unescape::EscapeError::BareCarriageReturn
| ra_rustc_lexer::unescape::EscapeError::BareCarriageReturnInRawString => {
EscapeError::BareCarriageReturn
}
ra_rustc_lexer::unescape::EscapeError::EscapeOnlyChar => EscapeError::EscapeOnlyChar,
ra_rustc_lexer::unescape::EscapeError::TooShortHexEscape => {
EscapeError::TooShortHexEscape
}
ra_rustc_lexer::unescape::EscapeError::InvalidCharInHexEscape => {
EscapeError::InvalidCharInHexEscape
}
ra_rustc_lexer::unescape::EscapeError::OutOfRangeHexEscape => {
EscapeError::OutOfRangeHexEscape
}
ra_rustc_lexer::unescape::EscapeError::NoBraceInUnicodeEscape => {
EscapeError::NoBraceInUnicodeEscape
}
ra_rustc_lexer::unescape::EscapeError::InvalidCharInUnicodeEscape => {
EscapeError::InvalidCharInUnicodeEscape
}
ra_rustc_lexer::unescape::EscapeError::EmptyUnicodeEscape => {
EscapeError::EmptyUnicodeEscape
}
ra_rustc_lexer::unescape::EscapeError::UnclosedUnicodeEscape => {
EscapeError::UnclosedUnicodeEscape
}
ra_rustc_lexer::unescape::EscapeError::LeadingUnderscoreUnicodeEscape => {
EscapeError::LeadingUnderscoreUnicodeEscape
}
ra_rustc_lexer::unescape::EscapeError::OverlongUnicodeEscape => {
EscapeError::OverlongUnicodeEscape
}
ra_rustc_lexer::unescape::EscapeError::LoneSurrogateUnicodeEscape => {
EscapeError::LoneSurrogateUnicodeEscape
}
ra_rustc_lexer::unescape::EscapeError::OutOfRangeUnicodeEscape => {
EscapeError::OutOfRangeUnicodeEscape
}
ra_rustc_lexer::unescape::EscapeError::UnicodeEscapeInByte => {
EscapeError::UnicodeEscapeInByte
}
ra_rustc_lexer::unescape::EscapeError::NonAsciiCharInByte
| ra_rustc_lexer::unescape::EscapeError::NonAsciiCharInByteString => {
EscapeError::NonAsciiCharInByte
}
}
}
}
impl From<ra_rustc_lexer::unescape::EscapeError> for SyntaxErrorKind {
fn from(err: ra_rustc_lexer::unescape::EscapeError) -> Self {
SyntaxErrorKind::EscapeError(err.into())
}
}
pub(crate) fn validate(root: &SyntaxNode) -> Vec<SyntaxError> {
let mut errors = Vec::new();