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Unified Diff: third_party/pkg/perf_api/lib/perf_api.dart

Issue 1086713003: Remove everything but markdown from third_party (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 5 years, 8 months ago
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Index: third_party/pkg/perf_api/lib/perf_api.dart
diff --git a/third_party/pkg/perf_api/lib/perf_api.dart b/third_party/pkg/perf_api/lib/perf_api.dart
deleted file mode 100644
index 932cdd5c81d6f286ad369b7c48e6e05e094f1b80..0000000000000000000000000000000000000000
--- a/third_party/pkg/perf_api/lib/perf_api.dart
+++ /dev/null
@@ -1,157 +0,0 @@
-library perf_api;
-
-import 'dart:async';
-
-/**
- * A simple profiler api.
- */
-class Profiler {
- final Counters counters = new Counters();
-
- /**
- * Const constructor allows instances of this class to be used as a no-op
- * implementation.
- */
- const Profiler();
-
- /**
- * Starts a new timer for a given action [name]. A timer id will be
- * returned which can be used in [stopTimer] to stop the timer.
- *
- * [extraData] is additional information about the timed action. Implementing
- * profiler should not assume any semantic or syntactic structure of that
- * data and is free to ignore it in aggregate reports.
- */
- dynamic startTimer(String name, [dynamic extraData]) => null;
-
- /**
- * Stop a timer for a given [idOrName]. [idOrName] can either be a timer
- * identifier returned from [startTimer] or a timer name string. If [idOrName]
- * is invalid or timer for that [idOrName] was already stopped then
- * [ProfilerError] will be thrown. If [idOrName] is a String timer name then
- * the latest active timer with that name will be stopped.
- */
- void stopTimer(dynamic idOrName) {}
-
- /**
- * A simple zero-duration marker.
- */
- void markTime(String name, [dynamic extraData]) {}
-
- /**
- * Times execution of the [functionOrFuture]. Body can either be a no argument
- * function or a [Future]. If function, it is executed synchronously and its
- * return value is returned. If it's a Future, then timing is stopped when the
- * future completes either successfully or with error.
- */
- dynamic time(String name, functionOrFuture, [dynamic extraData]) {
- var id = startTimer(name, extraData);
- if (functionOrFuture is Function) {
- try {
- return functionOrFuture();
- } finally {
- stopTimer(id);
- }
- }
- if (functionOrFuture is Future) {
- return functionOrFuture.then(
- (v) {
- stopTimer(id);
- return v;
- },
- onError: (e) {
- stopTimer(id);
- throw e;
- });
- }
- throw new ProfilerError(
- 'Invalid functionOrFuture or type ${functionOrFuture.runtimeType}');
- }
-}
-
-class Counters {
-
- final Map<String, int> _counters = <String, int>{};
-
- const Counters();
-
- /**
- * Increments the counter under [counterName] by [delta]. Default [delta]
- * is 1. If counter is not yet initilalized, its value is assumed to be 0.
- * [delta] is allowed to be negative and it is possible for the counter value
- * to become negative.
- */
- int increment(String counterName, [int delta = 1]) {
- _counters.putIfAbsent(counterName, _initWithZero);
- _counters[counterName] += delta;
- return _counters[counterName];
- }
-
- /**
- * Returns the current value of the counter. If the counter value is not
- * initialized then null is returned.
- */
- int operator [](String counterName) => _counters[counterName];
-
- /**
- * Sets a [value] for a [counterName]. Any previous value is overridden.
- */
- operator []=(String counterName, int value) => _counters[counterName] = value;
-
- /**
- * Returns an immutable map of all known counter values.
- */
- Map<String, int> get all => new _UnmodifiableMap(_counters);
-}
-
-int _initWithZero() => 0;
-
-class ProfilerError extends Error {
- final String message;
- ProfilerError(String this.message);
- toString() => message;
-}
-
-class _UnmodifiableMap<K, V> implements Map<K, V> {
- final Map _map;
-
- const _UnmodifiableMap(this._map);
-
- bool containsValue(Object value) => _map.containsValue(value);
-
- bool containsKey(Object key) => _map.containsKey(key);
-
- V operator [](Object key) => _map[key];
-
- void operator []=(K key, V value) {
- throw new UnsupportedError("Cannot modify an unmodifiable map");
- }
-
- V putIfAbsent(K key, V ifAbsent()) {
- throw new UnsupportedError("Cannot modify an unmodifiable map");
- }
-
- addAll(Map other) {
- throw new UnsupportedError("Cannot modify an unmodifiable map");
- }
-
- V remove(Object key) {
- throw new UnsupportedError("Cannot modify an unmodifiable map");
- }
-
- void clear() {
- throw new UnsupportedError("Cannot modify an unmodifiable map");
- }
-
- void forEach(void f(K key, V value)) => _map.forEach(f);
-
- Iterable<K> get keys => _map.keys;
-
- Iterable<V> get values => _map.values;
-
- int get length => _map.length;
-
- bool get isEmpty => _map.isEmpty;
-
- bool get isNotEmpty => _map.isNotEmpty;
-}
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