chore(codegen): Factored reserved keyword logic into a library

Author: jbdeboer

lib/tools/parser_generator/dart_code_gen.dart

@@ -1,8 +1,10 @@
 library dart_code_gen;
 
-import '../../core/parser/parser_library.dart';  // For ParserBackend.
+import 'package:angular/tools/reserved_dart_keywords.dart';
+import 'package:angular/core/parser/parser_library.dart';  // For ParserBackend.
 import 'source.dart';
 
+
 Code VALUE_CODE = new Code("value");
 
 class Code implements ParserAST {
@@ -64,15 +66,6 @@ class GetterSetterGenerator {
   static RegExp LAST_PATH_PART = new RegExp(r'(.*)\.(.*)');
   static RegExp NON_WORDS = new RegExp(r'\W');
 
-  // From https://www.dartlang.org/docs/spec/latest/dart-language-specification.html#h.huusvrzea3q
-  static List<String> RESERVED_DART_KEYWORDS = [
-      "assert", "break", "case", "catch", "class", "const", "continue",
-      "default", "do", "else", "enum", "extends", "false", "final",
-      "finally", "for", "if", "in", "is", "new", "null", "rethrow",
-      "return", "super", "switch", "this", "throw", "true", "try",
-      "var", "void", "while", "with"];
-  isReserved(String key) => RESERVED_DART_KEYWORDS.contains(key);
-
 
   String functions = "// GETTER AND SETTER FUNCTIONS\n\n";
   var _keyToGetterFnName = {};

lib/tools/parser_getter_setter/generator.dart

@@ -1,14 +1,5 @@
 import 'package:angular/core/parser/parser_library.dart';
-
-// TODO(deboer): Remove this duplicated code.
-// From https://www.dartlang.org/docs/spec/latest/dart-language-specification.html#h.huusvrzea3q
-List<String> RESERVED_DART_KEYWORDS = [
-    "assert", "break", "case", "catch", "class", "const", "continue",
-    "default", "do", "else", "enum", "extends", "false", "final",
-    "finally", "for", "if", "in", "is", "new", "null", "rethrow",
-    "return", "super", "switch", "this", "throw", "true", "try",
-    "var", "void", "while", "with"];
-isReserved(String key) => RESERVED_DART_KEYWORDS.contains(key);
+import 'package:angular/tools/reserved_dart_keywords.dart';
 
 class _AST implements ParserAST {
   bool get assignable => true;

lib/tools/reserved_dart_keywords.dart

@@ -0,0 +1,10 @@
+library reserved_dart_keywords;
+
+// From https://www.dartlang.org/docs/spec/latest/dart-language-specification.html#h.huusvrzea3q
+List<String> RESERVED_DART_KEYWORDS = [
+    "assert", "break", "case", "catch", "class", "const", "continue",
+    "default", "do", "else", "enum", "extends", "false", "final",
+    "finally", "for", "if", "in", "is", "new", "null", "rethrow",
+    "return", "super", "switch", "this", "throw", "true", "try",
+    "var", "void", "while", "with"];
+isReserved(String key) => RESERVED_DART_KEYWORDS.contains(key);