Support for serializing prefix/postfix increment/decrement.

pkg/analyzer/lib/src/summary/idl.dart

 // Copyright (c) 2015, 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.
 
 /**
  * This file is an "idl" style description of the summary format.  It
  * contains abstract classes which declare the interface for reading data from
  * summaries.  It is parsed and transformed into code that implements the
  * summary format.
  *
@@ skipping 1322 matching lines @@
 
   /**
    * Pop from the stack `value` and get the next `target` reference from
    * [UnlinkedConst.references] - a top-level variable (prefixed or not), an
    * assignable field of a class (prefixed or not), or a sequence of getters
    * ending with an assignable property `a.b.b.c.d.e`.  In general `a.b` cannot
    * not be distinguished between: `a` is a prefix and `b` is a top-level
    * variable; or `a` is an object and `b` is the name of a property.  Perform
    * `reference op= value` where `op` is the next assignment operator from
    * [UnlinkedConst.assignmentOperators].  Push `value` back into the stack.
+   *
+   * If the assignment operator is a prefix/postfix increment/decrement, then
+   * `value` is not present in the stack, so it should not be popped and the
+   * corresponding value of the `target` after/before update is pushed into the
+   * stack instead.
    */
   assignToRef,
 
   /**
    * Pop from the stack `value` and `target`.  Get the name of the property from
    * `UnlinkedConst.strings` and assign the `value` to the named property of the
    * `target`.  This operation is used when we know that the `target` is an
    * object reference expression, e.g. `new Foo().a.b.c` or `a.b[0].c.d`.
    * Perform `target.property op= value` where `op` is the next assignment
    * operator from [UnlinkedConst.assignmentOperators].  Push `value` back into
    * the stack.
+   *
+   * If the assignment operator is a prefix/postfix increment/decrement, then
+   * `value` is not present in the stack, so it should not be popped and the
+   * corresponding value of the `target` after/before update is pushed into the
+   * stack instead.
    */
   assignToProperty,
 
   /**
    * Pop from the stack `value`, `index` and `target`.  Perform
    * `target[index] op= value`  where `op` is the next assignment operator from
    * [UnlinkedConst.assignmentOperators].  Push `value` back into the stack.
+   *
+   * If the assignment operator is a prefix/postfix increment/decrement, then
+   * `value` is not present in the stack, so it should not be popped and the
+   * corresponding value of the `target` after/before update is pushed into the
+   * stack instead.
    */
   assignToIndex,
 
   /**
    * Pop from the stack `index` and `target`.  Push into the stack the result
    * of evaluation of `target[index]`.
    */
   extractIndex,
 }
 
@@ skipping 498 matching lines @@
   bitAnd,
 
   /**
    * Perform `target ^= operand`.
    */
   bitXor,
 
   /**
    * Perform `target |= operand`.
    */
-  bitOr
+  bitOr,
+
+  /**
+   * Perform `++target`.
+   */
+  prefixIncrement,
+
+  /**
+   * Perform `--target`.
+   */
+  prefixDecrement,
+
+  /**
+   * Perform `target++`.
+   */
+  postfixIncrement,
+
+  /**
+   * Perform `target++`.
+   */
+  postfixDecrement,
 }
 
 /**
  * Unlinked summary information about an import declaration.
  */
 abstract class UnlinkedImport extends base.SummaryClass {
   /**
    * Annotations for this import declaration.
    */
   @Id(8)
@@ skipping 683 matching lines @@
    */
   @Id(11)
   int get visibleLength;
 
   /**
    * If a local variable, the beginning of the visible range; zero otherwise.
    */
   @Id(12)
   int get visibleOffset;
 }