Move all the builtin$ interceptors to a new interceptors library and shorten the names of them.

lib/compiler/implementation/ssa/builder.dart

Index: lib/compiler/implementation/ssa/builder.dart
diff --git a/lib/compiler/implementation/ssa/builder.dart b/lib/compiler/implementation/ssa/builder.dart
index 86371b188d40e240c98e923a6ab0d5fbe3a7ff4b..db1f6f5744340ee7b4b86a9c95552ee116ce2c48 100644
--- a/lib/compiler/implementation/ssa/builder.dart
+++ b/lib/compiler/implementation/ssa/builder.dart
@@ -44,18 +44,27 @@ class Interceptors {
   }
 
   Element getStaticInterceptor(SourceString name, int parameters) {
-    String mangledName = "builtin\$${name.slowToString()}\$${parameters}";
-    return compiler.findHelper(new SourceString(mangledName));
+    String mangledName = "${name.slowToString()}";

[floitsch, 2012/05/01 14:37:44]

String name = ...
and no need to go through string-interpolation.

+    Element element = compiler.findInterceptor(new SourceString(mangledName));
+    if (element !== null && element.isFunction()) {
+      // Only pick the function element with the short name if the
+      // number of parameters it expects matches the number we're
+      // passing modulo the receiver.
+      FunctionElement function = element;
+      if (function.parameterCount(compiler) == parameters + 1) return element;
+    }
+    String longMangledName = "$mangledName\$$parameters";

[floitsch, 2012/05/01 14:37:44]

you can use mangledName here then.

+    return compiler.findInterceptor(new SourceString(longMangledName));
   }
 
   Element getStaticGetInterceptor(SourceString name) {
-    String mangledName = "builtin\$get\$${name.slowToString()}";
-    return compiler.findHelper(new SourceString(mangledName));
+    String mangledName = "get\$${name.slowToString()}";
+    return compiler.findInterceptor(new SourceString(mangledName));
   }
 
   Element getStaticSetInterceptor(SourceString name) {
-    String mangledName = "builtin\$set\$${name.slowToString()}";
-    return compiler.findHelper(new SourceString(mangledName));
+    String mangledName = "set\$${name.slowToString()}";
+    return compiler.findInterceptor(new SourceString(mangledName));
   }
 
   Element getOperatorInterceptor(Operator op) {