BytecodeParser consumes a MBuffer (== ZIO) instead of a DataView

So we can read binary code with a user reader function

1 files changed, 12 insertions, 2 deletions

diff --git a/src/llex.js b/src/llex.js
index 59c9015..5591054 100644
--- a/src/llex.js
+++ b/src/llex.js
@@ -67,8 +67,6 @@ const luaX_tokens = [
     "<number>", "<integer>", "<name>", "<string>"
 ];
 
-const NUM_RESERVED = Object.keys(RESERVED).length;
-
 class MBuffer {
     constructor(L, data, reader) {
         this.L = L;
@@ -102,6 +100,18 @@ class MBuffer {
         return r;
     }
 
+    read(size) {
+        let r = [];
+
+        while (size > 0) {
+            let byte = this.getc();
+            if (byte !== -1) r.push(byte);
+            size--;
+        }
+
+        return r;
+    }
+
     fill() {
         if (this.reader) {
             this.buffer = this.reader(this.L, this.data);