From 3e7c102eefbaae9e6bc839b11bba79aee1c5e040 Mon Sep 17 00:00:00 2001
From: daurnimator <quae@daurnimator.com>
Date: Wed, 13 Dec 2017 15:13:27 +1100
Subject: Introduce defs.string_of to create string from bytes

---
 src/defs.js    |  3 +++
 src/ldump.js   |  4 ++--
 src/lobject.js |  2 +-
 tests/defs.js  | 14 +++++++-------
 4 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/src/defs.js b/src/defs.js
index 268e76e..27498c6 100644
--- a/src/defs.js
+++ b/src/defs.js
@@ -131,6 +131,8 @@ class lua_Debug {
 
 }
 
+const string_of = Array.of;
+
 const is_luastring = function(s) {
     return Array.isArray(s);
 };
@@ -422,6 +424,7 @@ module.exports.lua_upvalueindex        = lua_upvalueindex;
 module.exports.thread_status           = thread_status;
 module.exports.is_luastring            = is_luastring;
 module.exports.luastring_cmp           = luastring_cmp;
+module.exports.string_of               = string_of;
 module.exports.to_jsstring             = to_jsstring;
 module.exports.to_luastring            = to_luastring;
 module.exports.to_uristring            = to_uristring;
diff --git a/src/ldump.js b/src/ldump.js
index 627a252..964d6ff 100644
--- a/src/ldump.js
+++ b/src/ldump.js
@@ -3,7 +3,7 @@
 const defs    = require('./defs.js');
 const CT      = defs.constant_types;
 
-const LUAC_DATA    = [25, 147, 13, 10, 26, 10];
+const LUAC_DATA    = defs.string_of(25, 147, 13, 10, 26, 10);
 const LUAC_INT     = 0x5678;
 const LUAC_NUM     = 370.5;
 const LUAC_VERSION = Number.parseInt(defs.LUA_VERSION_MAJOR) * 16 + Number.parseInt(defs.LUA_VERSION_MINOR);
@@ -30,7 +30,7 @@ const DumpLiteral = function(s, D) {
 };
 
 const DumpByte = function(y, D) {
-    DumpBlock([y], 1, D);
+    DumpBlock(defs.string_of(y), 1, D);
 };
 
 const DumpInt = function(x, D) {
diff --git a/src/lobject.js b/src/lobject.js
index a70866d..707cdf8 100644
--- a/src/lobject.js
+++ b/src/lobject.js
@@ -547,7 +547,7 @@ const luaO_pushvfstring = function(L, fmt, argp) {
             case char['c']: {
                 let buff = argp[a++];
                 if (ljstype.lisprint(buff))
-                    pushstr(L, [buff]);
+                    pushstr(L, defs.string_of(buff));
                 else
                     luaO_pushfstring(L, defs.to_luastring("<\\%d>", true), buff);
                 break;
diff --git a/tests/defs.js b/tests/defs.js
index 8c0098a..1a935d6 100644
--- a/tests/defs.js
+++ b/tests/defs.js
@@ -6,37 +6,37 @@ const unicode_tests = [
     {
         description: "Convert normal ascii string",
         literal: "foo",
-        byte_array: ["f".charCodeAt(0), "o".charCodeAt(0), "o".charCodeAt(0)]
+        byte_array: defs.string_of("f".charCodeAt(0), "o".charCodeAt(0), "o".charCodeAt(0))
     },
     {
         description: "Convert ascii string containing null byte",
         literal: "fo\0o",
-        byte_array: ["f".charCodeAt(0), "o".charCodeAt(0), 0, "o".charCodeAt(0)]
+        byte_array: defs.string_of("f".charCodeAt(0), "o".charCodeAt(0), 0, "o".charCodeAt(0))
     },
     {
         description: "Convert string with BMP unicode chars",
         literal: "Café",
-        byte_array: [67, 97, 102, 195, 169]
+        byte_array: defs.string_of(67, 97, 102, 195, 169)
     },
     {
         description: "Convert string with codepoint in PUA (U+E000 to U+F8FF)",
         literal: "",
-        byte_array: [239, 163, 191]
+        byte_array: defs.string_of(239, 163, 191)
     },
     {
         description: "Convert string with surrogate pair",
         literal: "❤️🍾",
-        byte_array: [226, 157, 164, 239, 184, 143, 240, 159, 141, 190]
+        byte_array: defs.string_of(226, 157, 164, 239, 184, 143, 240, 159, 141, 190)
     },
     {
         description: "Convert string with broken surrogate pair",
         literal: "\uD800a",
-        byte_array: [237, 160, 128, 97]
+        byte_array: defs.string_of(237, 160, 128, 97)
     },
     {
         description: "Convert string with broken surrogate pair at end of string",
         literal: "\uD823",
-        byte_array: [237, 160, 163]
+        byte_array: defs.string_of(237, 160, 163)
     }
 ];
 
-- 
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