luaur_ast/methods/
lexer_read_long_string.rs

1//! `Lexeme Lexer::read_long_string(const Position& start, int sep, Lexeme::Type ok, Lexeme::Type broken)`
2//! — Ast/src/Lexer.cpp:525.
3
4use crate::records::lexeme::{Lexeme, Type};
5use crate::records::lexer::Lexer;
6use crate::records::location::Location;
7use crate::records::position::Position;
8use luaur_common::LUAU_ASSERT;
9
10impl Lexer {
11    pub(crate) fn read_long_string(
12        &mut self,
13        start: &Position,
14        sep: i32,
15        ok: Type,
16        broken: Type,
17    ) -> Lexeme {
18        // skip (second) [
19        LUAU_ASSERT!(self.peekch() == '[');
20        self.consume();
21
22        let start_offset = self.offset;
23
24        while self.peekch() != '\0' {
25            if self.peekch() == ']' {
26                if self.skip_long_separator() == sep {
27                    LUAU_ASSERT!(self.peekch() == ']');
28                    self.consume(); // skip (second) ]
29
30                    let end_offset = self.offset - sep as u32 - 2;
31                    LUAU_ASSERT!(end_offset >= start_offset);
32
33                    return Lexeme::with_data(
34                        Location::new(*start, self.position()),
35                        ok,
36                        unsafe { self.buffer.add(start_offset as usize) },
37                        (end_offset - start_offset) as usize,
38                    );
39                }
40            } else {
41                self.consume_any();
42            }
43        }
44
45        Lexeme::new(Location::new(*start, self.position()), broken)
46    }
47}
luaur_ast/methods/lexer_read_long_string.rs

luaur_ast/methods/
lexer_read_long_string.rs
