Revert "Use ProcedureKind.Operator for operators."

pkg/front_end/lib/src/fasta/operator.dart

-// Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-library fasta.operators;
-
-/// The user-definable operators in Dart.
-///
-/// The names have been chosen to represent their normal semantic meaning.
-enum Operator {
-  add,
-  bitwiseAnd,
-  bitwiseNot,
-  bitwiseOr,
-  bitwiseXor,
-  divide,
-  equals,
-  greaterThan,
-  greaterThanEquals,
-  index,

[ahe, 2017/02/08 14:44:16]

"index" is also a static method on an enum.

[Lasse Reichstein Nielsen, 2017/02/08 14:48:44]

Enums suck. 'nuff said.

-  indexSet,
-  leftShift,
-  lessThan,
-  lessThanEquals,
-  modulo,
-  multiply,
-  rightShift,
-  subtract,
-  truncatingDivide,
-  unaryMinus,
-}
-
-Operator operatorFromString(String string) {
-  if (identical("+", string)) return Operator.add;
-  if (identical("&", string)) return Operator.bitwiseAnd;
-  if (identical("~", string)) return Operator.bitwiseNot;
-  if (identical("|", string)) return Operator.bitwiseOr;
-  if (identical("^", string)) return Operator.bitwiseXor;
-  if (identical("/", string)) return Operator.divide;
-  if (identical("==", string)) return Operator.equals;
-  if (identical(">", string)) return Operator.greaterThan;
-  if (identical(">=", string)) return Operator.greaterThanEquals;
-  if (identical("[]", string)) return Operator.index;
-  if (identical("[]=", string)) return Operator.indexSet;
-  if (identical("<<", string)) return Operator.leftShift;
-  if (identical("<", string)) return Operator.lessThan;
-  if (identical("<=", string)) return Operator.lessThanEquals;
-  if (identical("%", string)) return Operator.modulo;
-  if (identical("*", string)) return Operator.multiply;
-  if (identical(">>", string)) return Operator.rightShift;
-  if (identical("-", string)) return Operator.subtract;
-  if (identical("~/", string)) return Operator.truncatingDivide;
-  if (identical("unary-", string)) return Operator.unaryMinus;
-  return null;
-}
-
-String operatorToString(Operator operator) {
-  switch (operator) {
-    case Operator.add: return "+";
-    case Operator.bitwiseAnd: return "&";
-    case Operator.bitwiseNot: return "~";
-    case Operator.bitwiseOr: return "|";
-    case Operator.bitwiseXor: return "^";
-    case Operator.divide: return "/";
-    case Operator.equals: return "==";
-    case Operator.greaterThan: return ">";
-    case Operator.greaterThanEquals: return ">=";
-    case Operator.index: return "[]";
-    case Operator.indexSet: return "[]=";
-    case Operator.leftShift: return "<<";
-    case Operator.lessThan: return "<";
-    case Operator.lessThanEquals: return "<=";
-    case Operator.modulo: return "%";
-    case Operator.multiply: return "*";
-    case Operator.rightShift: return ">>";
-    case Operator.subtract: return "-";
-    case Operator.truncatingDivide: return "~/";
-    case Operator.unaryMinus: return "unary-";
-  }
-}