I have no idea what this does, but it works, and that's all that matt…

…ers.
elenakrittik · Apr 9, 2024 · 148b6a0 · 148b6a0
1 parent 142788e
commit 148b6a0
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Showing 2 changed files with 5 additions and 14 deletions.
diff --git a/logos-codegen/src/generator/context.rs b/logos-codegen/src/generator/context.rs
@@ -26,13 +26,9 @@ pub struct Context {
 }
 
 impl Context {
-    pub fn can_backtrack(&self) -> bool {
-        self.backtrack.is_some()
-    }
-
     pub fn switch(&mut self, miss: Option<NodeId>) -> Option<TokenStream> {
         self.backtrack = Some(miss?);
-        self.bump()
+        None
     }
 
     pub const fn advance(self, n: usize) -> Self {

diff --git a/logos-codegen/src/generator/mod.rs b/logos-codegen/src/generator/mod.rs
@@ -112,19 +112,14 @@ impl<'a> Generator<'a> {
             let meta = &self.meta[id];
             let enters_loop = !meta.loop_entry_from.is_empty();
 
-            let bump = if enters_loop || !ctx.can_backtrack() {
-                ctx.switch(self.graph[id].miss())
+            ctx.switch(self.graph[id].miss());
+
+            let bump = if enters_loop || meta.min_read == 0 {
+                ctx.bump()
             } else {
                 None
             };
 
-            let bump = match (bump, enters_loop, meta.min_read) {
-                (Some(t), _, _) => Some(t),
-                (None, true, _) => ctx.bump(),
-                (None, false, 0) => ctx.bump(),
-                (None, false, _) => None,
-            };
-
             if meta.min_read == 0 || ctx.remainder() < meta.min_read {
                 ctx.wipe();
             }