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Introduce SyntaxErrorKind and TextRange in SyntaxError

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This commit is contained in:
Adolfo Ochagavía 2018-11-04 16:45:22 +01:00
parent 576b9a0727
commit 3b42ddae60
10 changed files with 159 additions and 68 deletions
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10
crates/ra_syntax/src/string_lexing/mod.rs
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@ -100,10 +100,6 @@ impl<'a> Parser<'a> {
// Char parsing methods
fn parse_unicode_escape(&mut self, start: TextUnit) -> CharComponent {
// Note: validation of UnicodeEscape will be done elsewhere:
// * Only hex digits or underscores allowed
// * Max 6 chars
// * Within allowed range (must be at most 10FFFF)
match self.peek() {
Some('{') => {
self.advance();
@ -127,9 +123,6 @@ impl<'a> Parser<'a> {
}
fn parse_ascii_code_escape(&mut self, start: TextUnit) -> CharComponent {
// Note: validation of AsciiCodeEscape will be done elsewhere:
// * First digit is octal
// * Second digit is hex
let code_start = self.get_pos();
while let Some(next) = self.peek() {
if next == '\'' || (self.get_pos() - code_start == 2.into()) {
@ -144,9 +137,6 @@ impl<'a> Parser<'a> {
}
fn parse_escape(&mut self, start: TextUnit) -> CharComponent {
// Note: validation of AsciiEscape will be done elsewhere:
// * The escape sequence is non-empty
// * The escape sequence is valid
if self.peek().is_none() {
return CharComponent::new(TextRange::from_to(start, start), AsciiEscape);
}