Repalce shiftOr with pushLongInt, tweak makeSymbol.

pkg/analyzer/tool/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 is not
  * executed directly; instead it is parsed and transformed into code that
  * implements the summary format.
  *
  * The code generation process introduces the following non-typical semantics:
@@ skipping 492 matching lines @@
    * Push the value of the n-th constructor argument (where n is obtained from
    * [UnlinkedConst.ints]) onto the stack.
    */
   pushArgument,
 
   /**
    * Push the next value from [UnlinkedConst.ints] (a 32-bit unsigned integer)
    * onto the stack.
    *
    * Note that Dart supports integers larger than 32 bits; these are
-   * represented by composing 32 bit values using the [shiftOr] operation.
+   * represented by composing 32-bit values using the [pushLongInt] operation.
    */
   pushInt,
 
   /**
-   * Pop the top value off the stack, which should be an integer.  Multiply it
-   * by 2^32, "or" in the next value from [UnlinkedConst.ints] (which is
-   * interpreted as a 32-bit unsigned integer), and push the result back onto
-   * the stack.
+   * Get the number of components from [UnlinkedConst.ints], then do this number
+   * of times the following operations: multiple the current value by 2^32, "or"
+   * it with the next value in [UnlinkedConst.ints]. The initial value is zero.
+   * Push the result into the stack.
    */
-  shiftOr,
+  pushLongInt,
 
   /**
    * Push the next value from [UnlinkedConst.doubles] (a double precision
    * floating point value) onto the stack.
    */
   pushDouble,
 
   /**
    * Push the constant `true` onto the stack.
    */
@@ skipping 13 matching lines @@
    * Pop the top n values from the stack (where n is obtained from
    * [UnlinkedConst.ints]), convert them to strings (if they aren't already),
    * concatenate them into a single string, and push it back onto the stack.
    *
    * This operation is used to represent constants whose value is a literal
    * string containing string interpolations.
    */
   concatenate,
 
   /**
-   * Pop the top value from the stack which should be string, convert it to
-   * a symbol, and push it back onto the stack.
+   * Get the next value from [UnlinkedConst.strings], convert it to a symbol,
+   * and push it onto the stack.
    */
   makeSymbol,
 
   /**
    * Push the constant `null` onto the stack.
    */
   pushNull,
 
   /**
    * Evaluate a (potentially qualified) identifier expression and push the
@@ skipping 894 matching lines @@
   int propagatedTypeSlot;
 
   /**
    * If this variable is inferrable, nonzero slot id identifying which entry in
    * [LinkedLibrary.types] contains the inferred type for this variable.  If
    * there is no matching entry in [LinkedLibrary.types], then no type was
    * inferred for this variable, so its static type is `dynamic`.
    */
   int inferredTypeSlot;
 }