Add summary support for ParameterElement.defaultValueCode.

pkg/analyzer/test/src/summary/summary_common.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.
 
 library analyzer.test.src.summary.summary_common;
 
 import 'package:analyzer/analyzer.dart';
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/src/dart/scanner/reader.dart';
@@ skipping 3268 matching lines @@
         findExecutable('', executables: serializeClassText(r'''
 class C {
   C([this.x() = foo]);
   final x;
 }
 int foo() => 0;
 ''').executables);
     UnlinkedParam param = executable.parameters[0];
     expect(param.isFunctionTyped, isTrue);
     expect(param.kind, UnlinkedParamKind.positional);
+    expect(param.defaultValueCode, 'foo');
     _assertUnlinkedConst(param.defaultValue, operators: [
       UnlinkedConstOperation.pushReference
     ], referenceValidators: [
       (EntityRef r) => checkTypeRef(r, null, null, 'foo',
           expectedKind: ReferenceKind.topLevelFunction)
     ]);
   }
 
   test_constructor_initializing_formal_implicit_type() {
     // Note: the implicit type of an initializing formal is the type of the
@@ skipping 13 matching lines @@
     expect(parameter.name, 'x');
   }
 
   test_constructor_initializing_formal_named() {
     UnlinkedExecutable executable = findExecutable('',
         executables: serializeClassText('class C { C({this.x}); final x; }')
             .executables);
     UnlinkedParam parameter = executable.parameters[0];
     expect(parameter.kind, UnlinkedParamKind.named);
     expect(parameter.defaultValue, isNull);
+    expect(parameter.defaultValueCode, isEmpty);
   }
 
   test_constructor_initializing_formal_named_withDefault() {
     UnlinkedExecutable executable = findExecutable('',
         executables: serializeClassText('class C { C({this.x: 42}); final x; }')
             .executables);
     UnlinkedParam parameter = executable.parameters[0];
     expect(parameter.kind, UnlinkedParamKind.named);
     expect(parameter.initializer, isNotNull);
+    expect(parameter.defaultValueCode, '42');
     _assertUnlinkedConst(parameter.defaultValue,
         operators: [UnlinkedConstOperation.pushInt], ints: [42]);
   }
 
   test_constructor_initializing_formal_non_function_typed() {
     UnlinkedExecutable executable = findExecutable('',
         executables:
             serializeClassText('class C { C(this.x); final x; }').executables);
     UnlinkedParam parameter = executable.parameters[0];
     expect(parameter.isFunctionTyped, isFalse);
   }
 
   test_constructor_initializing_formal_positional() {
     UnlinkedExecutable executable = findExecutable('',
         executables: serializeClassText('class C { C([this.x]); final x; }')
             .executables);
     UnlinkedParam parameter = executable.parameters[0];
     expect(parameter.kind, UnlinkedParamKind.positional);
     expect(parameter.defaultValue, isNull);
+    expect(parameter.defaultValueCode, isEmpty);
   }
 
   test_constructor_initializing_formal_positional_withDefault() {
     UnlinkedExecutable executable = findExecutable('',
         executables:
             serializeClassText('class C { C([this.x = 42]); final x; }')
                 .executables);
     UnlinkedParam parameter = executable.parameters[0];
     expect(parameter.kind, UnlinkedParamKind.positional);
     expect(parameter.initializer, isNotNull);
+    expect(parameter.defaultValueCode, '42');
     _assertUnlinkedConst(parameter.defaultValue,
         operators: [UnlinkedConstOperation.pushInt], ints: [42]);
   }
 
   test_constructor_initializing_formal_required() {
     UnlinkedExecutable executable = findExecutable('',
         executables:
             serializeClassText('class C { C(this.x); final x; }').executables);
     UnlinkedParam parameter = executable.parameters[0];
     expect(parameter.kind, UnlinkedParamKind.required);
@@ skipping 11 matching lines @@
 
   test_constructor_initializing_formal_withDefault() {
     UnlinkedExecutable executable =
         findExecutable('', executables: serializeClassText(r'''
 class C {
   C([this.x = 42]);
   final int x;
 }''').executables);
     UnlinkedParam param = executable.parameters[0];
     expect(param.kind, UnlinkedParamKind.positional);
+    expect(param.defaultValueCode, '42');
     _assertUnlinkedConst(param.defaultValue,
         operators: [UnlinkedConstOperation.pushInt], ints: [42]);
   }
 
   test_constructor_named() {
     String text = 'class C { C.foo(); }';
     UnlinkedExecutable executable = findExecutable('foo',
         executables: serializeClassText(text).executables);
     expect(executable.name, 'foo');
     expect(executable.nameOffset, text.indexOf('foo'));
@@ skipping 1177 matching lines @@
   }
 
   test_executable_param_function_typed_withDefault() {
     UnlinkedExecutable executable = serializeExecutableText(r'''
 f([int p(int a2, String b2) = foo]) {}
 int foo(int a, String b) => 0;
 ''');
     UnlinkedParam param = executable.parameters[0];
     expect(param.kind, UnlinkedParamKind.positional);
     expect(param.initializer, isNotNull);
+    expect(param.defaultValueCode, 'foo');
     _assertUnlinkedConst(param.defaultValue, operators: [
       UnlinkedConstOperation.pushReference
     ], referenceValidators: [
       (EntityRef r) => checkTypeRef(r, null, null, 'foo',
           expectedKind: ReferenceKind.topLevelFunction)
     ]);
   }
 
   test_executable_param_kind_named() {
     UnlinkedExecutable executable = serializeExecutableText('f({x}) {}');
     UnlinkedParam param = executable.parameters[0];
     expect(param.kind, UnlinkedParamKind.named);
     expect(param.initializer, isNull);
     expect(param.defaultValue, isNull);
+    expect(param.defaultValueCode, isEmpty);
   }
 
   test_executable_param_kind_named_withDefault() {
     UnlinkedExecutable executable = serializeExecutableText('f({x: 42}) {}');
     UnlinkedParam param = executable.parameters[0];
     expect(param.kind, UnlinkedParamKind.named);
     expect(param.initializer, isNotNull);
+    expect(param.defaultValueCode, '42');
     _assertUnlinkedConst(param.defaultValue,
         operators: [UnlinkedConstOperation.pushInt], ints: [42]);
   }
 
   test_executable_param_kind_positional() {
     UnlinkedExecutable executable = serializeExecutableText('f([x]) {}');
     UnlinkedParam param = executable.parameters[0];
     expect(param.kind, UnlinkedParamKind.positional);
     expect(param.initializer, isNull);
     expect(param.defaultValue, isNull);
+    expect(param.defaultValueCode, isEmpty);
   }
 
   test_executable_param_kind_positional_withDefault() {
     UnlinkedExecutable executable = serializeExecutableText('f([x = 42]) {}');
     UnlinkedParam param = executable.parameters[0];
     expect(param.kind, UnlinkedParamKind.positional);
     expect(param.initializer, isNotNull);
+    expect(param.defaultValueCode, '42');
     _assertUnlinkedConst(param.defaultValue,
         operators: [UnlinkedConstOperation.pushInt], ints: [42]);
   }
 
   test_executable_param_kind_required() {
     UnlinkedExecutable executable = serializeExecutableText('f(x) {}');
     UnlinkedParam param = executable.parameters[0];
     expect(param.kind, UnlinkedParamKind.required);
     expect(param.initializer, isNull);
     expect(param.defaultValue, isNull);
+    expect(param.defaultValueCode, isEmpty);
   }
 
   test_executable_param_name() {
     String text = 'f(x) {}';
     UnlinkedExecutable executable = serializeExecutableText(text);
     expect(executable.parameters, hasLength(1));
     expect(executable.parameters[0].name, 'x');
     expect(executable.parameters[0].nameOffset, text.indexOf('x'));
   }
 
@@ skipping 2642 matching lines @@
 class _PrefixExpectation {
   final ReferenceKind kind;
   final String name;
   final String absoluteUri;
   final String relativeUri;
   final int numTypeParameters;
 
   _PrefixExpectation(this.kind, this.name,
       {this.absoluteUri, this.relativeUri, this.numTypeParameters: 0});
 }