AbleScript/ablescript
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Erin 2022-04-24 23:33:11 +02:00 committed by ondra05
parent 90f8137b0d
commit c6f4aaef24
1 changed files with 7 additions and 0 deletions
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7
ablescript/src/lexer.rs
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@ -142,9 +142,14 @@ fn get_string(lexer: &mut Lexer<Token>) -> Option<String> {
let mut string = String::new(); let mut string = String::new();
let mut slice = &lexer.slice()[2..]; let mut slice = &lexer.slice()[2..];
while let Some(escape_start) = slice.find('"') { while let Some(escape_start) = slice.find('"') {
// Push predeceasing string
string.push_str(&slice.get(..escape_start)?); string.push_str(&slice.get(..escape_start)?);
// Move slice behind escape start delimiter
slice = &slice.get(escape_start + 1..)?; slice = &slice.get(escape_start + 1..)?;
// Get escape end delimiter position and parse string before it to
// a character from it's unicode value (base-12) and push it to string
let escape_end = slice.find('"')?; let escape_end = slice.find('"')?;
string.push( string.push(
u32::from_str_radix(&slice.get(..escape_end)?, 12) u32::from_str_radix(&slice.get(..escape_end)?, 12)
@ -152,9 +157,11 @@ fn get_string(lexer: &mut Lexer<Token>) -> Option<String> {
.and_then(char::from_u32)?, .and_then(char::from_u32)?,
); );
// Move slice behind escape end delimiter
slice = &slice.get(escape_end + 1..)?; slice = &slice.get(escape_end + 1..)?;
} }
// Push remaining string
string.push_str(&slice); string.push_str(&slice);
lexer.bump(2); lexer.bump(2);