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This commit is contained in:
Laurențiu Nicola 2020-05-01 15:29:03 +03:00
parent a5f2b16366
commit 1e20467c3a
9 changed files with 81 additions and 49 deletions
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37
crates/ra_syntax/src/parsing/lexer.rs
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@ -180,7 +180,7 @@ fn rustc_token_kind_to_syntax_kind(
return (syntax_kind, None);
fn match_literal_kind(kind: &rustc_lexer::LiteralKind) -> (SyntaxKind, Option<&'static str>) {
use rustc_lexer::LiteralKind as LK;
use rustc_lexer::{LexRawStrError, LiteralKind as LK};
#[rustfmt::skip]
let syntax_kind = match *kind {
@ -215,21 +215,28 @@ fn rustc_token_kind_to_syntax_kind(
return (BYTE_STRING, Some("Missing trailing `\"` symbol to terminate the byte string literal"))
}
LK::RawStr { started: true, terminated: true, .. } => RAW_STRING,
LK::RawStr { started: true, terminated: false, .. } => {
return (RAW_STRING, Some("Missing trailing `\"` with `#` symbols to terminate the raw string literal"))
}
LK::RawStr { started: false, .. } => {
return (RAW_STRING, Some("Missing `\"` symbol after `#` symbols to begin the raw string literal"))
}
LK::RawStr(str) => match str.validate() {
Ok(_) => RAW_STRING,
Err(LexRawStrError::InvalidStarter) => return (RAW_STRING, Some("Missing `\"` symbol after `#` symbols to begin the raw string literal")),
Err(LexRawStrError::NoTerminator { expected, found, .. }) => if expected == found {
return (RAW_STRING, Some("Missing trailing `\"` to terminate the raw string literal"))
} else {
return (RAW_STRING, Some("Missing trailing `\"` with `#` symbols to terminate the raw string literal"))
LK::RawByteStr { started: true, terminated: true, .. } => RAW_BYTE_STRING,
LK::RawByteStr { started: true, terminated: false, .. } => {
return (RAW_BYTE_STRING, Some("Missing trailing `\"` with `#` symbols to terminate the raw byte string literal"))
}
LK::RawByteStr { started: false, .. } => {
return (RAW_BYTE_STRING, Some("Missing `\"` symbol after `#` symbols to begin the raw byte string literal"))
}
},
Err(LexRawStrError::TooManyDelimiters { .. }) => return (RAW_STRING, Some("Too many `#` symbols: raw strings may be delimited by up to 65535 `#` symbols")),
},
LK::RawByteStr(str) => match str.validate() {
Ok(_) => RAW_BYTE_STRING,
Err(LexRawStrError::InvalidStarter) => return (RAW_BYTE_STRING, Some("Missing `\"` symbol after `#` symbols to begin the raw byte string literal")),
Err(LexRawStrError::NoTerminator { expected, found, .. }) => if expected == found {
return (RAW_BYTE_STRING, Some("Missing trailing `\"` to terminate the raw byte string literal"))
} else {
return (RAW_BYTE_STRING, Some("Missing trailing `\"` with `#` symbols to terminate the raw byte string literal"))
},
Err(LexRawStrError::TooManyDelimiters { .. }) => return (RAW_BYTE_STRING, Some("Too many `#` symbols: raw byte strings may be delimited by up to 65535 `#` symbols")),
},
};
(syntax_kind, None)