From ab14ee4aa480b21a6e5c6c4d8cdb1823951ed7c3 Mon Sep 17 00:00:00 2001
From: Benoit Giannangeli <benoit.giannangeli@boursorama.fr>
Date: Mon, 13 Feb 2017 14:21:20 +0100
Subject: Moved luaH_getn to ltable.js

---
 src/lobject.js | 25 -------------------------
 src/ltable.js  | 30 ++++++++++++++++++++++++++++++
 src/lvm.js     |  1 +
 3 files changed, 31 insertions(+), 25 deletions(-)
 create mode 100644 src/ltable.js

(limited to 'src')

diff --git a/src/lobject.js b/src/lobject.js
index 385ac9c..e206bf1 100644
--- a/src/lobject.js
+++ b/src/lobject.js
@@ -163,31 +163,6 @@ class Table extends TValue {
         return this.luaH_getn();
     }
 
-    /*
-    ** Try to find a boundary in table 't'. A 'boundary' is an integer index
-    ** such that t[i] is non-nil and t[i+1] is nil (and 0 if t[1] is nil).
-    */
-    luaH_getn() {
-        let array = this.value.array;
-        let hash = this.value.hash;
-
-        let j = array.length;
-        if (j > 0 && array[j - 1].ttisnil()) {
-            /* there is a boundary in the array part: (binary) search for it */
-            let i = 0;
-            while (j - i > 1) {
-                let m = (i+j)/2;
-                if (array[m - 1].ttisnil()) j = m;
-                else i = m;
-            }
-            return i;
-        }
-        /* else must find a boundary in hash part */
-        else if (hash.size === 0)
-            return j;
-        else return j; // TODO: unbound_search(t, j) => but why ?
-    }
-
 }
 
 class LClosure extends TValue {
diff --git a/src/ltable.js b/src/ltable.js
new file mode 100644
index 0000000..6e3af15
--- /dev/null
+++ b/src/ltable.js
@@ -0,0 +1,30 @@
+/*jshint esversion: 6 */
+"use strict";
+
+const lobject = require('./lobject.js');
+const Table   = lobject.Table;
+
+/*
+** Try to find a boundary in table 't'. A 'boundary' is an integer index
+** such that t[i] is non-nil and t[i+1] is nil (and 0 if t[1] is nil).
+*/
+Table.prototype.luaH_getn = function() {
+    let array = this.value.array;
+    let hash = this.value.hash;
+
+    let j = array.length;
+    if (j > 0 && array[j - 1].ttisnil()) {
+        /* there is a boundary in the array part: (binary) search for it */
+        let i = 0;
+        while (j - i > 1) {
+            let m = (i+j)/2;
+            if (array[m - 1].ttisnil()) j = m;
+            else i = m;
+        }
+        return i;
+    }
+    /* else must find a boundary in hash part */
+    else if (hash.size === 0)
+        return j;
+    else return j; // TODO: unbound_search(t, j) => but why ?
+};
\ No newline at end of file
diff --git a/src/lvm.js b/src/lvm.js
index a23f295..890c123 100644
--- a/src/lvm.js
+++ b/src/lvm.js
@@ -20,6 +20,7 @@ const CallInfo       = lstate.CallInfo;
 const llimit         = require('./llimit.js');
 const ldo            = require('./ldo.js');
 const ltm            = require('./ltm.js');
+const ltable         = require('./ltable.js');
 const TMS            = ltm.TMS;
 
 const RA = function(L, base, i) {
-- 
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