Split out Index AST node from Invoke

pkg/polymer_expressions/benchmark/eval.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library polymer_expressions.benchmark.eval;
 
 import 'package:benchmark_harness/benchmark_harness.dart';
 import 'package:polymer_expressions/parser.dart' show parse;
 import 'package:polymer_expressions/eval.dart' show eval, Scope;
 
 class Foo {
   final Bar bar;
   Foo(this.bar);
 }
 
 class Bar {
   String baz;
   Bar(this.baz);
 }
 
-/**
- * Measures eval time of several expressions. Parsing time is not included.
- */
-class PolymerEvalBenchmark extends BenchmarkBase {
-  PolymerEvalBenchmark() : super('PolymerEvalBenchmark');
+class EvalBenchmark extends BenchmarkBase {
+  final expr;
+  final scope;
 
-  final expr = parse('foo.bar.baz');
-  final expr2 = parse('(1 + 2) * 3');
-  final scope = new Scope(variables: {'foo': new Foo(new Bar('hello'))});
+  EvalBenchmark(String name, String expr, {Object model, Map variables})
+      : expr = parse(expr),
+        scope = new Scope(model: model, variables: variables),
+        super('$name: $expr ');
+}
 
-  run() {
-    var value = eval(expr, scope);
-    if (value != 'hello') throw new StateError(value);
-    value = eval(expr2, scope);
-    if (value != 9) throw new StateError(value);
-  }
+double total = 0.0;
+
+benchmark(String name, String expr, {Object model, Map variables}) {
+  var score = new EvalBenchmark(name, expr, model: model, variables: variables).measure();

[Jennifer Messerly, 2013/11/18 20:28:41]

long line

[justinfagnani, 2013/11/20 03:50:33]

Done.

+  print("$name $expr: $score us");
+  total += score;
 }
 
 main() {
-  new PolymerEvalBenchmark().report();
+
+  benchmark('Constant', '1');
+  benchmark('Top-level Name', 'foo',
+      variables: {'foo': new Foo(new Bar('hello'))});
+  benchmark('Model field', 'bar',
+      model: new Foo(new Bar('hello')));
+  benchmark('Path', 'foo.bar.baz',
+      variables: {'foo': new Foo(new Bar('hello'))});
+  benchmark('Map', 'm["foo"]',
+      variables: {'m': {'foo': 1}});
+  benchmark('Equality', '"abc" == "123"');
+  print('total: $total us');
+
 }