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Unified Diff: third_party/pkg/angular/lib/change_detection/ast.dart

Issue 1058283006: Update pubspecs and dependencies to get pkgbuild tests working. (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/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;
-}
-
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