add option to disable utf support, and test that in asm2g

1 files changed, 8 insertions, 0 deletions

diff --git a/src/preamble.js b/src/preamble.js
index 6c0b0e93..6f3a969c 100644
--- a/src/preamble.js
+++ b/src/preamble.js
@@ -503,6 +503,7 @@ function allocate(slab, types, allocator, ptr) {
 Module['allocate'] = allocate;
 
 function Pointer_stringify(ptr, /* optional */ length) {
+#if UTF_STRING_SUPPORT
   var utf8 = new Runtime.UTF8Processor();
   var nullTerminated = typeof(length) == "undefined";
   var ret = "";
@@ -519,6 +520,13 @@ function Pointer_stringify(ptr, /* optional */ length) {
     if (!nullTerminated && i == length) break;
   }
   return ret;
+#else
+#if USE_TYPED_ARRAYS == 2
+  return String.fromCharCode.apply(String, HEAPU8.subarray(ptr, ptr + (length || _strlen(ptr))));
+#else
+  throw 'unsupported combination';
+#endif
+#endif
 }
 Module['Pointer_stringify'] = Pointer_stringify;