Index: third_party/pkg/angular/lib/change_detection/ast.dart |
diff --git a/third_party/pkg/angular/lib/change_detection/ast.dart b/third_party/pkg/angular/lib/change_detection/ast.dart |
deleted file mode 100644 |
index 66c55fba3c05bfdd627096c16cd5912a7506a37b..0000000000000000000000000000000000000000 |
--- a/third_party/pkg/angular/lib/change_detection/ast.dart |
+++ /dev/null |
@@ -1,146 +0,0 @@ |
-part of angular.watch_group; |
- |
- |
-/** |
- * RULES: |
- * - ASTs are reusable. Don't store scope/instance refs there |
- * - Parent knows about children, not the other way around. |
- */ |
-abstract class AST { |
- static final String _CONTEXT = '#'; |
- final String expression; |
- AST(expression) |
- : expression = expression.startsWith('#.') |
- ? expression.substring(2) |
- : expression |
- { |
- assert(expression!=null); |
- } |
- WatchRecord<_Handler> setupWatch(WatchGroup watchGroup); |
- String toString() => expression; |
-} |
- |
-/** |
- * SYNTAX: _context_ |
- * |
- * This represent the initial _context_ for evaluation. |
- */ |
-class ContextReferenceAST extends AST { |
- ContextReferenceAST(): super(AST._CONTEXT); |
- WatchRecord<_Handler> setupWatch(WatchGroup watchGroup) => |
- new _ConstantWatchRecord(watchGroup, expression, watchGroup.context); |
-} |
- |
-/** |
- * SYNTAX: _context_ |
- * |
- * This represent the initial _context_ for evaluation. |
- */ |
-class ConstantAST extends AST { |
- final constant; |
- |
- ConstantAST(constant, [String expression]) |
- : constant = constant, |
- super(expression == null |
- ? constant is String ? '"$constant"' : '$constant' |
- : expression); |
- |
- WatchRecord<_Handler> setupWatch(WatchGroup watchGroup) => |
- new _ConstantWatchRecord(watchGroup, expression, constant); |
-} |
- |
-/** |
- * SYNTAX: lhs.name. |
- * |
- * This is the '.' dot operator. |
- */ |
-class FieldReadAST extends AST { |
- AST lhs; |
- final String name; |
- |
- FieldReadAST(lhs, name) |
- : lhs = lhs, |
- name = name, |
- super('$lhs.$name'); |
- |
- WatchRecord<_Handler> setupWatch(WatchGroup watchGroup) => |
- watchGroup.addFieldWatch(lhs, name, expression); |
-} |
- |
-/** |
- * SYNTAX: fn(arg0, arg1, ...) |
- * |
- * Invoke a pure function. Pure means that the function has no state, and |
- * therefore it needs to be re-computed only if its args change. |
- */ |
-class PureFunctionAST extends AST { |
- final String name; |
- final /* dartbug.com/16401 Function */ fn; |
- final List<AST> argsAST; |
- |
- PureFunctionAST(name, this.fn, argsAST) |
- : super('$name(${_argList(argsAST)})'), |
- argsAST = argsAST, |
- name = name; |
- |
- WatchRecord<_Handler> setupWatch(WatchGroup watchGroup) => |
- watchGroup.addFunctionWatch(fn, argsAST, expression); |
-} |
- |
-/** |
- * SYNTAX: lhs.method(arg0, arg1, ...) |
- * |
- * Invoke a method on [lhs] object. |
- */ |
-class MethodAST extends AST { |
- final AST lhsAST; |
- final String name; |
- final List<AST> argsAST; |
- |
- MethodAST(lhsAST, name, argsAST) |
- : super('$lhsAST.$name(${_argList(argsAST)})'), |
- lhsAST = lhsAST, |
- name = name, |
- argsAST = argsAST; |
- |
- WatchRecord<_Handler> setupWatch(WatchGroup watchGroup) => |
- watchGroup.addMethodWatch(lhsAST, name, argsAST, expression); |
-} |
- |
- |
-class CollectionAST extends AST { |
- final AST valueAST; |
- CollectionAST(valueAST) |
- : valueAST = valueAST, |
- super('#collection($valueAST)'); |
- |
- WatchRecord<_Handler> setupWatch(WatchGroup watchGroup) => |
- watchGroup.addCollectionWatch(valueAST); |
-} |
- |
-String _argList(List<AST> items) => items.join(', '); |
- |
-/** |
- * The name is a bit oxymoron, but it is essentially the NullObject pattern. |
- * |
- * This allows children to set a handler on this ChangeRecord and then let it write the initial |
- * constant value to the forwarding ChangeRecord. |
- */ |
-class _ConstantWatchRecord extends WatchRecord<_Handler> { |
- final currentValue; |
- final _Handler handler; |
- |
- _ConstantWatchRecord(WatchGroup watchGroup, String expression, currentValue) |
- : currentValue = currentValue, |
- handler = new _ConstantHandler(watchGroup, expression, currentValue); |
- |
- ChangeRecord<_Handler> check() => null; |
- void remove() => null; |
- |
- get field => null; |
- get previousValue => null; |
- get object => null; |
- set object(_) => null; |
- get nextChange => null; |
-} |
- |