# HG changeset patch
# User Jaroslav Tulach <jaroslav.tulach@apidesign.org>
# Date 1453651217 -3600
# Node ID 3781fd782472513d47fcd6e4047cd7be5cb147cf
# Parent  71e5cd5b29bc2a03fed24c03b5c826a08d3d5e20
Essential speedup when reading fields

diff -r 71e5cd5b29bc -r 3781fd782472 rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java
--- a/rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java	Sun Jan 24 14:31:36 2016 +0100
+++ b/rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java	Sun Jan 24 17:00:17 2016 +0100
@@ -1427,10 +1427,9 @@
                     final int type = VarType.fromFieldType(fi[2].charAt(0));
                     final String mangleClass = mangleClassName(fi[0]);
                     final String mangleClassAccess = accessClassFalse(mangleClass);
-                    smapper.replace(this, type, "@2.call(@1)",
-                         smapper.getA(0),
-                         accessField(mangleClassAccess,
-                                     "_" + fi[1], fi)
+                    emit(smapper, this, "var @2 = @1.fld_@4_@3 || @5.call(@1);",
+                         smapper.popA(), smapper.pushT(type), fi[1], mangleClass,
+                         accessField(mangleClassAccess, "_" + fi[1], fi)
                     );
                     i += 2;
                     addReference(fi[0]);