f11f4e0b45
Format all pure Dart code with package:dart_style v0.2.0 Command: ``` find -type f -name "*.dart" | xargs dartformat -w ```
97 lines
2.2 KiB
Dart
97 lines
2.2 KiB
Dart
/**
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* Tracing for Dart applications.
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*
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* The tracing API hooks up to either [WTF](http://google.github.io/tracing-framework/) or
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* [Dart Observatory](https://www.dartlang.org/tools/observatory/).
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*/
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library angular2.src.core.wtf_impl;
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typedef dynamic WtfScopeFn([arg0, arg1]);
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var context = null;
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var _trace;
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var _events;
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var _createScope;
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var _leaveScope;
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var _beginTimeRange;
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var _endTimeRange;
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final List _arg1 = [null];
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final List _arg2 = [null, null];
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bool detectWTF() {
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if (context != null && context.hasProperty('wtf')) {
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var wtf = context['wtf'];
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if (wtf.hasProperty('trace')) {
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_trace = wtf['trace'];
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_events = _trace['events'];
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_createScope = _events['createScope'];
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_leaveScope = _trace['leaveScope'];
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_beginTimeRange = _trace['beginTimeRange'];
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_endTimeRange = _trace['endTimeRange'];
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return true;
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}
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}
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return false;
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}
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int getArgSize(String signature) {
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int start = signature.indexOf('(') + 1;
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int end = signature.indexOf(')', start);
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bool found = false;
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int count = 0;
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for (var i = start; i < end; i++) {
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var ch = signature[i];
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if (identical(ch, ',')) {
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found = false;
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}
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if (!found) {
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found = true;
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count++;
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}
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}
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return count;
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}
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dynamic createScope(String signature, [flags]) {
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_arg2[0] = signature;
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_arg2[1] = flags;
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var jsScope = _createScope.apply(_arg2, thisArg: _events);
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switch (getArgSize(signature)) {
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case 0:
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return ([arg0, arg1]) {
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return jsScope.apply(const []);
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};
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case 1:
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return ([arg0, arg1]) {
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_arg1[0] = arg0;
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return jsScope.apply(_arg1);
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};
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case 2:
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return ([arg0, arg1]) {
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_arg2[0] = arg0;
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_arg2[1] = arg1;
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return jsScope.apply(_arg1);
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};
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default:
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throw "Max 2 arguments are supported.";
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}
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}
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void leave(scope, [returnValue]) {
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_arg2[0] = scope;
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_arg2[1] = returnValue;
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_leaveScope.apply(_arg2, thisArg: _trace);
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return returnValue;
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}
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dynamic startTimeRange(String rangeType, String action) {
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_arg2[0] = rangeType;
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_arg2[1] = action;
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return _beginTimeRange.apply(_arg2, thisArg: _trace);
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}
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void endTimeRange(dynamic range) {
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_arg1[0] = range;
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_endTimeRange.apply(_arg1, thisArg: _trace);
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}
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