fix dynCall generation

1 files changed, 4 insertions, 1 deletions

diff --git a/emscripten.py b/emscripten.py
index 4cde12c7..f3683a96 100755
--- a/emscripten.py
+++ b/emscripten.py
@@ -331,11 +331,14 @@ var i64Math_modulo = function(a, b, c, d, e) { i64Math.modulo(a, b, c, d, e) };
 '''
     asm_runtime_funcs = ['stackAlloc', 'stackSave', 'stackRestore', 'setThrew'] + ['setTempRet%d' % i for i in range(10)]
     # function tables
+    def asm_coerce(value, sig):
+      return ('+' if sig == 'd' else '') + value + ('|0' if sig == 'i' else '')
+
     function_tables = ['dynCall_' + table for table in last_forwarded_json['Functions']['tables']]
     function_tables_impls = []
     for sig in last_forwarded_json['Functions']['tables'].iterkeys():
       args = ','.join(['a' + str(i) for i in range(1, len(sig))])
-      arg_coercions = ' '.join(['a' + str(i) + '=' + ('+' if sig[i] == 'd' else '') + 'a' + str(i) + ('|0' if sig[i] == 'i' else '') + ';' for i in range(1, len(sig))])
+      arg_coercions = ' '.join(['a' + str(i) + '=' + asm_coerce('a' + str(i), sig[i]) + ';' for i in range(1, len(sig))])
       function_tables_impls.append('''
   function dynCall_%s(index%s%s) {
     index = index|0;