[js] Implement nqp::backendconfig so that we can check the int size

Raku · Oct 6, 2015 · bd169fa · bd169fa
1 parent 48faa01
commit bd169fa
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diff --git a/src/vm/js/QAST/Compiler.nqp b/src/vm/js/QAST/Compiler.nqp
@@ -736,6 +736,10 @@ class QAST::OperationsJS {
     add_simple_op('pushcompsc', $T_OBJ, [$T_OBJ], :sideffects);
     add_simple_op('popcompsc', $T_OBJ, [], :sideffects);
 
+    # Misc ops
+
+    add_simple_op('backendconfig', $T_OBJ, []);
+
     # Ops for NFA
 
     add_simple_op('nfafromstatelist', $T_OBJ, [$T_OBJ, $T_OBJ], :sideffects);

diff --git a/src/vm/js/nqp-runtime/core.js b/src/vm/js/nqp-runtime/core.js
@@ -474,3 +474,9 @@ op.pushcompsc = function(sc) {
 op.popcompsc = function(sc) {
   return compilingSCs.pop();
 };
+
+op.backendconfig = function() {
+  var config = new Hash();
+  config.content.intvalsize = 4;
+  return config;
+};