Fix same-group issue

dy · Jun 11, 2024 · 22dc9b0 · 22dc9b0
1 parent 6ac2264
commit 22dc9b0
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Showing 7 changed files with 19 additions and 10 deletions.
diff --git a/feature/comment.js b/feature/comment.js
@@ -4,4 +4,4 @@ import { token, skip, next, cur, idx, expr } from "../src/parse.js"
 // /**/, //
 // FIXME: try replacing with group
 token('/*', PREC_TOKEN, (a, prec) => (next(c => c !== STAR && cur.charCodeAt(idx + 1) !== 47), skip(2), a || expr(prec) || []))
-token('//', PREC_TOKEN, (a, prec) => (next(c => c >= SPACE), a || expr(prec) || ['']))
+token('//', PREC_TOKEN, (a, prec) => (next(c => c >= SPACE), a || expr(prec) || []))
diff --git a/justin.min.js b/justin.min.js
diff --git a/src/const.js b/src/const.js
@@ -21,7 +21,7 @@ export const
 // ref: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Operator_precedence
 // we mult by 10 to leave space for extensions
 export const
-  PREC_STATEMENT = 1,
+  PREC_STATEMENT = 5,
   PREC_SEQ = 10,
   PREC_ASSIGN = 20,
   PREC_LOR = 30,

diff --git a/src/parse.js b/src/parse.js
@@ -84,7 +84,7 @@ export let idx, cur,
       (b = expr(prec)),
       (
         (!a || a[0] !== op) && (a = [op, a]), // if beginning of sequence - init node
-        a.push(b),
+        b?.[0] === op ? [, ...b] = b : b = [b], a.push(...b), // comments can return same-token expr
         a
       ))
     )