talc/talc-lang/src/lib.rs

#[rustfmt::skip]
#[allow(clippy::extra_unused_lifetimes)]
#[allow(clippy::needless_lifetimes)]
#[allow(clippy::let_unit_value)]
#[allow(clippy::just_underscores_and_digits)]
#[allow(clippy::pedantic)]
mod parser {
	pub use __intern_token::new_builder as new_builder;
	include!(concat!(env!("OUT_DIR"),"/parser.rs"));
}
mod parser_util;
mod vm;
pub mod symbol;

pub mod ast;
pub mod value;
pub mod exception;
pub mod chunk;
pub mod compiler;

pub use parser::BlockParser as Parser;
pub use vm::Vm;

pub use parser_util::{parse_int, parse_float, parse_str_escapes};

type LexResult<'input> = Result<
	(usize, Token<'input>, usize),
	ParseError<usize, Token<'input>, parser_util::ParseError>
>;

use lalrpop_util::{ParseError, lexer::{Token, MatcherBuilder}};

pub struct Lexer {
	builder: MatcherBuilder,
}

impl Default for Lexer {
	fn default() -> Self { Self::new() }
}

impl Lexer {
	pub fn new() -> Self {
		Self { builder: crate::parser::new_builder() }
	}
	pub fn lex<'s>(&'s self, input: &'s str) -> impl Iterator<Item=LexResult<'s>> {
		self.builder.matcher::<parser_util::ParseError>(input)
	}
}