temp commit

orchid-extension/src/lexer.rs

@@ -1,3 +1,4 @@
+use std::fmt;
 use std::future::Future;
 use std::ops::RangeInclusive;
 
@@ -49,10 +50,15 @@ impl<'a> LexContext<'a> {
 	}
 
 	pub fn pos(&self, tail: &'a str) -> u32 { (self.text.len() - tail.len()) as u32 }
-
-	pub fn tok_ran(&self, len: u32, tail: &'a str) -> SrcRange {
-		SrcRange::new(self.pos(tail) - len..self.pos(tail), &self.src)
+	pub fn pos_tt(&self, tail_with: &'a str, tail_without: &'a str) -> SrcRange {
+		SrcRange::new(self.pos(tail_with)..self.pos(tail_without), &self.src)
 	}
+
+	pub fn pos_lt(&self, len: impl TryInto<u32, Error: fmt::Debug>, tail: &'a str) -> SrcRange {
+		SrcRange::new(self.pos(tail) - len.try_into().unwrap()..self.pos(tail), &self.src)
+	}
+
+	pub fn i(&self) -> &Interner { self.ctx.i() }
 }
 
 pub trait Lexer: Send + Sync + Sized + Default + 'static {