Unnamed repository; edit this file 'description' to name the repository.
-rw-r--r--Cargo.lock8
-rw-r--r--Cargo.toml2
-rw-r--r--crates/hir-expand/src/attrs.rs25
-rw-r--r--crates/hir-expand/src/builtin/fn_macro.rs14
-rw-r--r--crates/ide/src/goto_type_definition.rs6
-rw-r--r--crates/parser/src/lexed_str.rs131
-rw-r--r--crates/syntax/src/ast/token_ext.rs94
-rw-r--r--crates/syntax/src/validation.rs28
8 files changed, 139 insertions, 169 deletions
diff --git a/Cargo.lock b/Cargo.lock
index 2c7b464164..caa8f28d8e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1458,7 +1458,7 @@ dependencies = [
"edition",
"expect-test",
"ra-ap-rustc_lexer",
- "rustc-literal-escaper 0.0.3",
+ "rustc-literal-escaper 0.0.4",
"stdx",
"tracing",
]
@@ -1927,9 +1927,9 @@ checksum = "0041b6238913c41fe704213a4a9329e2f685a156d1781998128b4149c230ad04"
[[package]]
name = "rustc-literal-escaper"
-version = "0.0.3"
+version = "0.0.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78744cd17f5d01c75b709e49807d1363e02a940ccee2e9e72435843fdb0d076e"
+checksum = "ab03008eb631b703dd16978282ae36c73282e7922fe101a4bd072a40ecea7b8b"
[[package]]
name = "rustc-stable-hash"
@@ -2207,7 +2207,7 @@ dependencies = [
"rayon",
"rowan",
"rustc-hash 2.1.1",
- "rustc-literal-escaper 0.0.3",
+ "rustc-literal-escaper 0.0.4",
"rustc_apfloat",
"smol_str",
"stdx",
diff --git a/Cargo.toml b/Cargo.toml
index 449c75859c..0a8e6feb46 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -143,7 +143,7 @@ serde = { version = "1.0.219" }
serde_derive = { version = "1.0.219" }
serde_json = "1.0.140"
rustc-hash = "2.1.1"
-rustc-literal-escaper = "0.0.3"
+rustc-literal-escaper = "0.0.4"
smallvec = { version = "1.15.1", features = [
"const_new",
"union",
diff --git a/crates/hir-expand/src/attrs.rs b/crates/hir-expand/src/attrs.rs
index 94c97713f0..986f8764f5 100644
--- a/crates/hir-expand/src/attrs.rs
+++ b/crates/hir-expand/src/attrs.rs
@@ -433,20 +433,19 @@ fn unescape(s: &str) -> Option<Cow<'_, str>> {
let mut buf = String::new();
let mut prev_end = 0;
let mut has_error = false;
- unescape::unescape_unicode(s, unescape::Mode::Str, &mut |char_range, unescaped_char| match (
- unescaped_char,
- buf.capacity() == 0,
- ) {
- (Ok(c), false) => buf.push(c),
- (Ok(_), true) if char_range.len() == 1 && char_range.start == prev_end => {
- prev_end = char_range.end
- }
- (Ok(c), true) => {
- buf.reserve_exact(s.len());
- buf.push_str(&s[..prev_end]);
- buf.push(c);
+ unescape::unescape_str(s, |char_range, unescaped_char| {
+ match (unescaped_char, buf.capacity() == 0) {
+ (Ok(c), false) => buf.push(c),
+ (Ok(_), true) if char_range.len() == 1 && char_range.start == prev_end => {
+ prev_end = char_range.end
+ }
+ (Ok(c), true) => {
+ buf.reserve_exact(s.len());
+ buf.push_str(&s[..prev_end]);
+ buf.push(c);
+ }
+ (Err(_), _) => has_error = true,
}
- (Err(_), _) => has_error = true,
});
match (has_error, buf.capacity() == 0) {
diff --git a/crates/hir-expand/src/builtin/fn_macro.rs b/crates/hir-expand/src/builtin/fn_macro.rs
index 3180b8dae1..f9abe4f556 100644
--- a/crates/hir-expand/src/builtin/fn_macro.rs
+++ b/crates/hir-expand/src/builtin/fn_macro.rs
@@ -12,7 +12,7 @@ use span::{Edition, FileId, Span};
use stdx::format_to;
use syntax::{
format_smolstr,
- unescape::{Mode, unescape_byte, unescape_char, unescape_unicode},
+ unescape::{unescape_byte, unescape_char, unescape_str},
};
use syntax_bridge::syntax_node_to_token_tree;
@@ -430,7 +430,7 @@ fn compile_error_expand(
kind: tt::LitKind::Str | tt::LitKind::StrRaw(_),
suffix: _,
})),
- ] => ExpandError::other(span, Box::from(unescape_str(text).as_str())),
+ ] => ExpandError::other(span, Box::from(unescape_symbol(text).as_str())),
_ => ExpandError::other(span, "`compile_error!` argument must be a string"),
};
@@ -481,7 +481,7 @@ fn concat_expand(
format_to!(text, "{}", it.symbol.as_str())
}
tt::LitKind::Str => {
- text.push_str(unescape_str(&it.symbol).as_str());
+ text.push_str(unescape_symbol(&it.symbol).as_str());
record_span(it.span);
}
tt::LitKind::StrRaw(_) => {
@@ -691,7 +691,7 @@ fn parse_string(tt: &tt::TopSubtree) -> Result<(Symbol, Span), ExpandError> {
span,
kind: tt::LitKind::Str,
suffix: _,
- })) => Ok((unescape_str(text), *span)),
+ })) => Ok((unescape_symbol(text), *span)),
TtElement::Leaf(tt::Leaf::Literal(tt::Literal {
symbol: text,
span,
@@ -712,7 +712,7 @@ fn parse_string(tt: &tt::TopSubtree) -> Result<(Symbol, Span), ExpandError> {
span,
kind: tt::LitKind::Str,
suffix: _,
- })) => Some((unescape_str(text), *span)),
+ })) => Some((unescape_symbol(text), *span)),
TtElement::Leaf(tt::Leaf::Literal(tt::Literal {
symbol: text,
span,
@@ -897,11 +897,11 @@ fn quote_expand(
)
}
-fn unescape_str(s: &Symbol) -> Symbol {
+fn unescape_symbol(s: &Symbol) -> Symbol {
if s.as_str().contains('\\') {
let s = s.as_str();
let mut buf = String::with_capacity(s.len());
- unescape_unicode(s, Mode::Str, &mut |_, c| {
+ unescape_str(s, |_, c| {
if let Ok(c) = c {
buf.push(c)
}
diff --git a/crates/ide/src/goto_type_definition.rs b/crates/ide/src/goto_type_definition.rs
index 86d72fefe0..b80e81d39c 100644
--- a/crates/ide/src/goto_type_definition.rs
+++ b/crates/ide/src/goto_type_definition.rs
@@ -70,11 +70,10 @@ pub(crate) fn goto_type_definition(
}
let range = token.text_range();
- sema.descend_into_macros_no_opaque(token,false)
+ sema.descend_into_macros_no_opaque(token, false)
.into_iter()
.filter_map(|token| {
- sema
- .token_ancestors_with_macros(token.value)
+ sema.token_ancestors_with_macros(token.value)
// When `token` is within a macro call, we can't determine its type. Don't continue
// this traversal because otherwise we'll end up returning the type of *that* macro
// call, which is not what we want in general.
@@ -103,7 +102,6 @@ pub(crate) fn goto_type_definition(
_ => return None,
}
};
-
Some(ty)
})
})
diff --git a/crates/parser/src/lexed_str.rs b/crates/parser/src/lexed_str.rs
index 0fa9a26454..e6c92dec68 100644
--- a/crates/parser/src/lexed_str.rs
+++ b/crates/parser/src/lexed_str.rs
@@ -11,7 +11,8 @@
use std::ops;
use rustc_literal_escaper::{
- EscapeError, Mode, unescape_byte, unescape_char, unescape_mixed, unescape_unicode,
+ EscapeError, Mode, unescape_byte, unescape_byte_str, unescape_c_str, unescape_char,
+ unescape_str,
};
use crate::{
@@ -151,14 +152,14 @@ impl<'a> Converter<'a> {
self.res
}
- fn push(&mut self, kind: SyntaxKind, len: usize, err: Option<&str>) {
+ fn push(&mut self, kind: SyntaxKind, len: usize, errors: Vec<String>) {
self.res.push(kind, self.offset);
self.offset += len;
- if let Some(err) = err {
- let token = self.res.len() as u32;
- let msg = err.to_owned();
- self.res.error.push(LexError { msg, token });
+ for msg in errors {
+ if !msg.is_empty() {
+ self.res.error.push(LexError { msg, token: self.res.len() as u32 });
+ }
}
}
@@ -167,14 +168,16 @@ impl<'a> Converter<'a> {
// We drop some useful information here (see patterns with double dots `..`)
// Storing that info in `SyntaxKind` is not possible due to its layout requirements of
// being `u16` that come from `rowan::SyntaxKind`.
- let mut err = "";
+ let mut errors: Vec<String> = vec![];
let syntax_kind = {
match kind {
rustc_lexer::TokenKind::LineComment { doc_style: _ } => COMMENT,
rustc_lexer::TokenKind::BlockComment { doc_style: _, terminated } => {
if !terminated {
- err = "Missing trailing `*/` symbols to terminate the block comment";
+ errors.push(
+ "Missing trailing `*/` symbols to terminate the block comment".into(),
+ );
}
COMMENT
}
@@ -184,9 +187,9 @@ impl<'a> Converter<'a> {
invalid_infostring,
} => {
if *has_invalid_preceding_whitespace {
- err = "invalid preceding whitespace for frontmatter opening"
+ errors.push("invalid preceding whitespace for frontmatter opening".into());
} else if *invalid_infostring {
- err = "invalid infostring for frontmatter"
+ errors.push("invalid infostring for frontmatter".into());
}
FRONTMATTER
}
@@ -198,7 +201,7 @@ impl<'a> Converter<'a> {
SyntaxKind::from_keyword(token_text, self.edition).unwrap_or(IDENT)
}
rustc_lexer::TokenKind::InvalidIdent => {
- err = "Ident contains invalid characters";
+ errors.push("Ident contains invalid characters".into());
IDENT
}
@@ -206,7 +209,7 @@ impl<'a> Converter<'a> {
rustc_lexer::TokenKind::GuardedStrPrefix if self.edition.at_least_2024() => {
// FIXME: rustc does something better for recovery.
- err = "Invalid string literal (reserved syntax)";
+ errors.push("Invalid string literal (reserved syntax)".into());
ERROR
}
rustc_lexer::TokenKind::GuardedStrPrefix => {
@@ -222,12 +225,12 @@ impl<'a> Converter<'a> {
rustc_lexer::TokenKind::Lifetime { starts_with_number } => {
if *starts_with_number {
- err = "Lifetime name cannot start with a number";
+ errors.push("Lifetime name cannot start with a number".into());
}
LIFETIME_IDENT
}
rustc_lexer::TokenKind::UnknownPrefixLifetime => {
- err = "Unknown lifetime prefix";
+ errors.push("Unknown lifetime prefix".into());
LIFETIME_IDENT
}
rustc_lexer::TokenKind::RawLifetime => LIFETIME_IDENT,
@@ -262,119 +265,128 @@ impl<'a> Converter<'a> {
rustc_lexer::TokenKind::Unknown => ERROR,
rustc_lexer::TokenKind::UnknownPrefix if token_text == "builtin" => IDENT,
rustc_lexer::TokenKind::UnknownPrefix => {
- err = "unknown literal prefix";
+ errors.push("unknown literal prefix".into());
IDENT
}
rustc_lexer::TokenKind::Eof => EOF,
}
};
- let err = if err.is_empty() { None } else { Some(err) };
- self.push(syntax_kind, token_text.len(), err);
+ self.push(syntax_kind, token_text.len(), errors);
}
fn extend_literal(&mut self, len: usize, kind: &rustc_lexer::LiteralKind) {
- let mut err = "";
+ let invalid_raw_msg = String::from("Invalid raw string literal");
+
+ let mut errors = vec![];
+ let mut no_end_quote = |c: char, kind: &str| {
+ errors.push(format!("Missing trailing `{c}` symbol to terminate the {kind} literal"));
+ };
let syntax_kind = match *kind {
rustc_lexer::LiteralKind::Int { empty_int, base: _ } => {
if empty_int {
- err = "Missing digits after the integer base prefix";
+ errors.push("Missing digits after the integer base prefix".into());
}
INT_NUMBER
}
rustc_lexer::LiteralKind::Float { empty_exponent, base: _ } => {
if empty_exponent {
- err = "Missing digits after the exponent symbol";
+ errors.push("Missing digits after the exponent symbol".into());
}
FLOAT_NUMBER
}
rustc_lexer::LiteralKind::Char { terminated } => {
if !terminated {
- err = "Missing trailing `'` symbol to terminate the character literal";
+ no_end_quote('\'', "character");
} else {
let text = &self.res.text[self.offset + 1..][..len - 1];
- let i = text.rfind('\'').unwrap();
- let text = &text[..i];
+ let text = &text[..text.rfind('\'').unwrap()];
if let Err(e) = unescape_char(text) {
- err = error_to_diagnostic_message(e, Mode::Char);
+ errors.push(err_to_msg(e, Mode::Char));
}
}
CHAR
}
rustc_lexer::LiteralKind::Byte { terminated } => {
if !terminated {
- err = "Missing trailing `'` symbol to terminate the byte literal";
+ no_end_quote('\'', "byte");
} else {
let text = &self.res.text[self.offset + 2..][..len - 2];
- let i = text.rfind('\'').unwrap();
- let text = &text[..i];
+ let text = &text[..text.rfind('\'').unwrap()];
if let Err(e) = unescape_byte(text) {
- err = error_to_diagnostic_message(e, Mode::Byte);
+ errors.push(err_to_msg(e, Mode::Byte));
}
}
-
BYTE
}
rustc_lexer::LiteralKind::Str { terminated } => {
if !terminated {
- err = "Missing trailing `\"` symbol to terminate the string literal";
+ no_end_quote('"', "string");
} else {
let text = &self.res.text[self.offset + 1..][..len - 1];
- let i = text.rfind('"').unwrap();
- let text = &text[..i];
- err = unescape_string_error_message(text, Mode::Str);
+ let text = &text[..text.rfind('"').unwrap()];
+ unescape_str(text, |_, res| {
+ if let Err(e) = res {
+ errors.push(err_to_msg(e, Mode::Str));
+ }
+ });
}
STRING
}
rustc_lexer::LiteralKind::ByteStr { terminated } => {
if !terminated {
- err = "Missing trailing `\"` symbol to terminate the byte string literal";
+ no_end_quote('"', "byte string");
} else {
let text = &self.res.text[self.offset + 2..][..len - 2];
- let i = text.rfind('"').unwrap();
- let text = &text[..i];
- err = unescape_string_error_message(text, Mode::ByteStr);
+ let text = &text[..text.rfind('"').unwrap()];
+ unescape_byte_str(text, |_, res| {
+ if let Err(e) = res {
+ errors.push(err_to_msg(e, Mode::ByteStr));
+ }
+ });
}
BYTE_STRING
}
rustc_lexer::LiteralKind::CStr { terminated } => {
if !terminated {
- err = "Missing trailing `\"` symbol to terminate the string literal";
+ no_end_quote('"', "C string")
} else {
let text = &self.res.text[self.offset + 2..][..len - 2];
- let i = text.rfind('"').unwrap();
- let text = &text[..i];
- err = unescape_string_error_message(text, Mode::CStr);
+ let text = &text[..text.rfind('"').unwrap()];
+ unescape_c_str(text, |_, res| {
+ if let Err(e) = res {
+ errors.push(err_to_msg(e, Mode::CStr));
+ }
+ });
}
C_STRING
}
rustc_lexer::LiteralKind::RawStr { n_hashes } => {
if n_hashes.is_none() {
- err = "Invalid raw string literal";
+ errors.push(invalid_raw_msg);
}
STRING
}
rustc_lexer::LiteralKind::RawByteStr { n_hashes } => {
if n_hashes.is_none() {
- err = "Invalid raw string literal";
+ errors.push(invalid_raw_msg);
}
BYTE_STRING
}
rustc_lexer::LiteralKind::RawCStr { n_hashes } => {
if n_hashes.is_none() {
- err = "Invalid raw string literal";
+ errors.push(invalid_raw_msg);
}
C_STRING
}
};
- let err = if err.is_empty() { None } else { Some(err) };
- self.push(syntax_kind, len, err);
+ self.push(syntax_kind, len, errors);
}
}
-fn error_to_diagnostic_message(error: EscapeError, mode: Mode) -> &'static str {
+fn err_to_msg(error: EscapeError, mode: Mode) -> String {
match error {
EscapeError::ZeroChars => "empty character literal",
EscapeError::MoreThanOneChar => "character literal may only contain one codepoint",
@@ -410,28 +422,5 @@ fn error_to_diagnostic_message(error: EscapeError, mode: Mode) -> &'static str {
EscapeError::UnskippedWhitespaceWarning => "",
EscapeError::MultipleSkippedLinesWarning => "",
}
-}
-
-fn unescape_string_error_message(text: &str, mode: Mode) -> &'static str {
- let mut error_message = "";
- match mode {
- Mode::CStr => {
- unescape_mixed(text, mode, &mut |_, res| {
- if let Err(e) = res {
- error_message = error_to_diagnostic_message(e, mode);
- }
- });
- }
- Mode::ByteStr | Mode::Str => {
- unescape_unicode(text, mode, &mut |_, res| {
- if let Err(e) = res {
- error_message = error_to_diagnostic_message(e, mode);
- }
- });
- }
- _ => {
- // Other Modes are not supported yet or do not apply
- }
- }
- error_message
+ .into()
}
diff --git a/crates/syntax/src/ast/token_ext.rs b/crates/syntax/src/ast/token_ext.rs
index ced3b713d8..4afdda78a0 100644
--- a/crates/syntax/src/ast/token_ext.rs
+++ b/crates/syntax/src/ast/token_ext.rs
@@ -1,9 +1,11 @@
//! There are many AstNodes, but only a few tokens, so we hand-write them here.
+use std::ops::Range;
use std::{borrow::Cow, num::ParseIntError};
use rustc_literal_escaper::{
- EscapeError, MixedUnit, Mode, unescape_byte, unescape_char, unescape_mixed, unescape_unicode,
+ EscapeError, MixedUnit, unescape_byte, unescape_byte_str, unescape_c_str, unescape_char,
+ unescape_str,
};
use stdx::always;
@@ -150,7 +152,7 @@ impl QuoteOffsets {
pub trait IsString: AstToken {
const RAW_PREFIX: &'static str;
- const MODE: Mode;
+ fn unescape(s: &str, callback: impl FnMut(Range<usize>, Result<char, EscapeError>));
fn is_raw(&self) -> bool {
self.text().starts_with(Self::RAW_PREFIX)
}
@@ -185,7 +187,7 @@ pub trait IsString: AstToken {
let text = &self.text()[text_range_no_quotes - start];
let offset = text_range_no_quotes.start() - start;
- unescape_unicode(text, Self::MODE, &mut |range, unescaped_char| {
+ Self::unescape(text, &mut |range: Range<usize>, unescaped_char| {
if let Some((s, e)) = range.start.try_into().ok().zip(range.end.try_into().ok()) {
cb(TextRange::new(s, e) + offset, unescaped_char);
}
@@ -203,7 +205,9 @@ pub trait IsString: AstToken {
impl IsString for ast::String {
const RAW_PREFIX: &'static str = "r";
- const MODE: Mode = Mode::Str;
+ fn unescape(s: &str, cb: impl FnMut(Range<usize>, Result<char, EscapeError>)) {
+ unescape_str(s, cb)
+ }
}
impl ast::String {
@@ -218,20 +222,19 @@ impl ast::String {
let mut buf = String::new();
let mut prev_end = 0;
let mut has_error = None;
- unescape_unicode(text, Self::MODE, &mut |char_range, unescaped_char| match (
- unescaped_char,
- buf.capacity() == 0,
- ) {
- (Ok(c), false) => buf.push(c),
- (Ok(_), true) if char_range.len() == 1 && char_range.start == prev_end => {
- prev_end = char_range.end
- }
- (Ok(c), true) => {
- buf.reserve_exact(text.len());
- buf.push_str(&text[..prev_end]);
- buf.push(c);
+ unescape_str(text, |char_range, unescaped_char| {
+ match (unescaped_char, buf.capacity() == 0) {
+ (Ok(c), false) => buf.push(c),
+ (Ok(_), true) if char_range.len() == 1 && char_range.start == prev_end => {
+ prev_end = char_range.end
+ }
+ (Ok(c), true) => {
+ buf.reserve_exact(text.len());
+ buf.push_str(&text[..prev_end]);
+ buf.push(c);
+ }
+ (Err(e), _) => has_error = Some(e),
}
- (Err(e), _) => has_error = Some(e),
});
match (has_error, buf.capacity() == 0) {
@@ -244,7 +247,9 @@ impl ast::String {
impl IsString for ast::ByteString {
const RAW_PREFIX: &'static str = "br";
- const MODE: Mode = Mode::ByteStr;
+ fn unescape(s: &str, mut callback: impl FnMut(Range<usize>, Result<char, EscapeError>)) {
+ unescape_byte_str(s, |range, res| callback(range, res.map(char::from)))
+ }
}
impl ast::ByteString {
@@ -259,20 +264,19 @@ impl ast::ByteString {
let mut buf: Vec<u8> = Vec::new();
let mut prev_end = 0;
let mut has_error = None;
- unescape_unicode(text, Self::MODE, &mut |char_range, unescaped_char| match (
- unescaped_char,
- buf.capacity() == 0,
- ) {
- (Ok(c), false) => buf.push(c as u8),
- (Ok(_), true) if char_range.len() == 1 && char_range.start == prev_end => {
- prev_end = char_range.end
- }
- (Ok(c), true) => {
- buf.reserve_exact(text.len());
- buf.extend_from_slice(&text.as_bytes()[..prev_end]);
- buf.push(c as u8);
+ unescape_byte_str(text, |char_range, unescaped_byte| {
+ match (unescaped_byte, buf.capacity() == 0) {
+ (Ok(b), false) => buf.push(b),
+ (Ok(_), true) if char_range.len() == 1 && char_range.start == prev_end => {
+ prev_end = char_range.end
+ }
+ (Ok(b), true) => {
+ buf.reserve_exact(text.len());
+ buf.extend_from_slice(&text.as_bytes()[..prev_end]);
+ buf.push(b);
+ }
+ (Err(e), _) => has_error = Some(e),
}
- (Err(e), _) => has_error = Some(e),
});
match (has_error, buf.capacity() == 0) {
@@ -285,25 +289,10 @@ impl ast::ByteString {
impl IsString for ast::CString {
const RAW_PREFIX: &'static str = "cr";
- const MODE: Mode = Mode::CStr;
-
- fn escaped_char_ranges(&self, cb: &mut dyn FnMut(TextRange, Result<char, EscapeError>)) {
- let text_range_no_quotes = match self.text_range_between_quotes() {
- Some(it) => it,
- None => return,
- };
-
- let start = self.syntax().text_range().start();
- let text = &self.text()[text_range_no_quotes - start];
- let offset = text_range_no_quotes.start() - start;
-
- unescape_mixed(text, Self::MODE, &mut |range, unescaped_char| {
- let text_range =
- TextRange::new(range.start.try_into().unwrap(), range.end.try_into().unwrap());
- // XXX: This method should only be used for highlighting ranges. The unescaped
- // char/byte is not used. For simplicity, we return an arbitrary placeholder char.
- cb(text_range + offset, unescaped_char.map(|_| ' '));
- });
+ // NOTE: This method should only be used for highlighting ranges. The unescaped
+ // char/byte is not used. For simplicity, we return an arbitrary placeholder char.
+ fn unescape(s: &str, mut callback: impl FnMut(Range<usize>, Result<char, EscapeError>)) {
+ unescape_c_str(s, |range, _res| callback(range, Ok('_')))
}
}
@@ -323,10 +312,7 @@ impl ast::CString {
MixedUnit::Char(c) => buf.extend(c.encode_utf8(&mut [0; 4]).as_bytes()),
MixedUnit::HighByte(b) => buf.push(b),
};
- unescape_mixed(text, Self::MODE, &mut |char_range, unescaped| match (
- unescaped,
- buf.capacity() == 0,
- ) {
+ unescape_c_str(text, |char_range, unescaped| match (unescaped, buf.capacity() == 0) {
(Ok(u), false) => extend_unit(&mut buf, u),
(Ok(_), true) if char_range.len() == 1 && char_range.start == prev_end => {
prev_end = char_range.end
diff --git a/crates/syntax/src/validation.rs b/crates/syntax/src/validation.rs
index 5bfeb3bff8..4180f9cd18 100644
--- a/crates/syntax/src/validation.rs
+++ b/crates/syntax/src/validation.rs
@@ -6,7 +6,9 @@ mod block;
use itertools::Itertools;
use rowan::Direction;
-use rustc_literal_escaper::{self, EscapeError, Mode, unescape_mixed, unescape_unicode};
+use rustc_literal_escaper::{
+ EscapeError, unescape_byte, unescape_byte_str, unescape_c_str, unescape_char, unescape_str,
+};
use crate::{
AstNode, SyntaxError,
@@ -47,7 +49,7 @@ pub(crate) fn validate(root: &SyntaxNode, errors: &mut Vec<SyntaxError>) {
}
fn rustc_unescape_error_to_string(err: EscapeError) -> (&'static str, bool) {
- use rustc_literal_escaper::EscapeError as EE;
+ use EscapeError as EE;
#[rustfmt::skip]
let err_message = match err {
@@ -142,7 +144,7 @@ fn validate_literal(literal: ast::Literal, acc: &mut Vec<SyntaxError>) {
ast::LiteralKind::String(s) => {
if !s.is_raw() {
if let Some(without_quotes) = unquote(text, 1, '"') {
- unescape_unicode(without_quotes, Mode::Str, &mut |range, char| {
+ unescape_str(without_quotes, |range, char| {
if let Err(err) = char {
push_err(1, range.start, err);
}
@@ -153,7 +155,7 @@ fn validate_literal(literal: ast::Literal, acc: &mut Vec<SyntaxError>) {
ast::LiteralKind::ByteString(s) => {
if !s.is_raw() {
if let Some(without_quotes) = unquote(text, 2, '"') {
- unescape_unicode(without_quotes, Mode::ByteStr, &mut |range, char| {
+ unescape_byte_str(without_quotes, |range, char| {
if let Err(err) = char {
push_err(1, range.start, err);
}
@@ -164,7 +166,7 @@ fn validate_literal(literal: ast::Literal, acc: &mut Vec<SyntaxError>) {
ast::LiteralKind::CString(s) => {
if !s.is_raw() {
if let Some(without_quotes) = unquote(text, 2, '"') {
- unescape_mixed(without_quotes, Mode::CStr, &mut |range, char| {
+ unescape_c_str(without_quotes, |range, char| {
if let Err(err) = char {
push_err(1, range.start, err);
}
@@ -174,20 +176,16 @@ fn validate_literal(literal: ast::Literal, acc: &mut Vec<SyntaxError>) {
}
ast::LiteralKind::Char(_) => {
if let Some(without_quotes) = unquote(text, 1, '\'') {
- unescape_unicode(without_quotes, Mode::Char, &mut |range, char| {
- if let Err(err) = char {
- push_err(1, range.start, err);
- }
- });
+ if let Err(err) = unescape_char(without_quotes) {
+ push_err(1, 0, err);
+ }
}
}
ast::LiteralKind::Byte(_) => {
if let Some(without_quotes) = unquote(text, 2, '\'') {
- unescape_unicode(without_quotes, Mode::Byte, &mut |range, char| {
- if let Err(err) = char {
- push_err(2, range.start, err);
- }
- });
+ if let Err(err) = unescape_byte(without_quotes) {
+ push_err(2, 0, err);
+ }
}
}
ast::LiteralKind::IntNumber(_)