Fix passing of UINT_MAX and ULONG_MAX from C++ to JS function. LLVM doesn't have u32 type, so UINT_MAX literal comes out as 'i32 -1' literal to JS, which whould treat it as a negative -1.0 double.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/embind/embind.js b/src/embind/embind.js
index ccce9f19..1a2cec44 100755
--- a/src/embind/embind.js
+++ b/src/embind/embind.js
@@ -225,7 +225,10 @@ function __embind_register_bool(rawType, name, trueValue, falseValue) {
 // [minRange, maxRange], inclusive.
 function __embind_register_integer(primitiveType, name, minRange, maxRange) {
     name = Pointer_stringify(name);
-    registerType(rawType, {
+    if (maxRange == -1) { // LLVM doesn't have signed and unsigned 32-bit types, so u32 literals come out as 'i32 -1'. Always treat those as max u32.
+        maxRange = 4294967295;
+    }
+    registerType(primitiveType, {
         name: name,
         minRange: minRange,
         maxRange: maxRange,