Remove uses of upper-case constants in remaining SDK code.

This includes Fasta, tools and observatory, so the checked-in SDK must
have the lower-case constants.

Change-Id: I8380ad041ad058f7d02ae19caccfecd434d13d75
Reviewed-on: https://dart-review.googlesource.com/50201
Commit-Queue: Lasse R.H. Nielsen <[email protected]>
Reviewed-by: Leaf Petersen <[email protected]>

Author: lrhn

pkg/compiler/lib/compiler_new.dart

@@ -25,7 +25,7 @@ export 'compiler.dart' show Diagnostic, PackagesDiscoveryProvider;
 enum InputKind {
   /// Data is read as UTF8 either as a [String] or a zero-terminated
   /// `List<int>`.
-  utf8,
+  UTF8,
 
   /// Data is read as bytes in a `List<int>`.
   binary,
@@ -49,7 +49,7 @@ abstract class CompilerInput {
   /// Returns a future that completes to the source corresponding to [uri].
   /// If an exception occurs, the future completes with this exception.
   ///
-  /// If [inputKind] is `InputKind.utf8` the source can be represented either as
+  /// If [inputKind] is `InputKind.UTF8` the source can be represented either as
   /// a zero-terminated `List<int>` of UTF-8 bytes or as a [String]. If
   /// [inputKind] is `InputKind.binary` the source is a read a `List<int>`.
   ///
@@ -59,7 +59,7 @@ abstract class CompilerInput {
   /// scanner is more efficient in this case. In either case, the data structure
   /// is expected to hold a zero element at the last position. If this is not
   /// the case, the entire data structure is copied before scanning.
-  Future<Input> readFromUri(Uri uri, {InputKind inputKind: InputKind.utf8});
+  Future<Input> readFromUri(Uri uri, {InputKind inputKind: InputKind.UTF8});
 }
 
 /// Output types used in `CompilerOutput.createOutputSink`.

pkg/compiler/lib/src/apiimpl.dart

@@ -116,7 +116,7 @@ class CompilerImpl extends Compiler {
     // [Future] to ensure that we never execute an asynchronous action without
     // setting up the current element of the compiler.
     return new Future.sync(
-            () => callUserProvider(resourceUri, api.InputKind.utf8))
+            () => callUserProvider(resourceUri, api.InputKind.UTF8))
         .then((api.Input sourceFile) {
       // We use [readableUri] as the URI for the script since need to preserve
       // the scheme in the script because [Script.uri] is used for resolving
@@ -265,11 +265,11 @@ class CompilerImpl extends Compiler {
     timings.writeln("Timings:");
     Duration totalDuration = measurer.wallClock.elapsed;
     Duration asyncDuration = measurer.asyncWallClock.elapsed;
-    Duration cumulatedDuration = Duration.ZERO;
+    Duration cumulatedDuration = Duration.zero;
     for (final task in tasks) {
       String running = task.isRunning ? "*" : "";
       Duration duration = task.duration;
-      if (duration != Duration.ZERO) {
+      if (duration != Duration.zero) {
         cumulatedDuration += duration;
         timings.writeln('    $running${task.name} took'
             ' ${duration.inMilliseconds}msec');

pkg/compiler/lib/src/common/tasks.dart

@@ -49,7 +49,7 @@ abstract class CompilerTask {
   }
 
   Duration get duration {
-    if (_isDisabled) return Duration.ZERO;
+    if (_isDisabled) return Duration.zero;
     Duration total = _watch.elapsed;
     for (GenericTask subtask in _subtasks.values) {
       total += subtask.duration;

pkg/compiler/lib/src/constants/values.dart

@@ -278,11 +278,11 @@ class DoubleConstantValue extends NumConstantValue {
 
   factory DoubleConstantValue(double value) {
     if (value.isNaN) {
-      return const DoubleConstantValue._internal(double.NAN);
-    } else if (value == double.INFINITY) {
-      return const DoubleConstantValue._internal(double.INFINITY);
-    } else if (value == -double.INFINITY) {
-      return const DoubleConstantValue._internal(-double.INFINITY);
+      return const DoubleConstantValue._internal(double.nan);
+    } else if (value == double.infinity) {
+      return const DoubleConstantValue._internal(double.infinity);
+    } else if (value == -double.infinity) {
+      return const DoubleConstantValue._internal(-double.infinity);
     } else if (value == 0.0 && !value.isNegative) {
       return const DoubleConstantValue._internal(0.0);
     } else if (value == 1.0) {
@@ -305,9 +305,9 @@ class DoubleConstantValue extends NumConstantValue {
 
   bool get isOne => doubleValue == 1.0;
 
-  bool get isPositiveInfinity => doubleValue == double.INFINITY;
+  bool get isPositiveInfinity => doubleValue == double.infinity;
 
-  bool get isNegativeInfinity => doubleValue == -double.INFINITY;
+  bool get isNegativeInfinity => doubleValue == -double.infinity;
 
   DartType getType(CommonElements types) => types.doubleType;
 

pkg/compiler/lib/src/dart2js.dart

@@ -5,7 +5,7 @@
 library dart2js.cmdline;
 
 import 'dart:async' show Future;
-import 'dart:convert' show UTF8, LineSplitter;
+import 'dart:convert' show utf8, LineSplitter;
 import 'dart:io' show exit, File, FileMode, Platform, stdin, stderr;
 
 import 'package:front_end/src/api_unstable/dart2js.dart' as fe;
@@ -829,7 +829,7 @@ void batchMain(List<String> batchArguments) {
     throw _EXIT_SIGNAL;
   };
 
-  var stream = stdin.transform(UTF8.decoder).transform(new LineSplitter());
+  var stream = stdin.transform(utf8.decoder).transform(new LineSplitter());
   var subscription;
   fe.InitializedCompilerState kernelInitializedCompilerState;
   subscription = stream.listen((line) {

pkg/compiler/lib/src/io/source_file.dart

@@ -4,7 +4,7 @@
 
 library dart2js.io.source_file;
 
-import 'dart:convert' show UTF8;
+import 'dart:convert' show utf8;
 import 'dart:math';
 import 'dart:typed_data' show Uint8List;
 
@@ -19,7 +19,7 @@ abstract class SourceFile<T> implements Input<T>, LocationProvider {
   /// The absolute URI of the source file.
   Uri get uri;
 
-  InputKind get inputKind => InputKind.utf8;
+  InputKind get inputKind => InputKind.UTF8;
 
   kernel.Source cachedKernelSource;
 
@@ -188,7 +188,7 @@ class Utf8BytesSourceFile extends SourceFile<List<int>> {
 
   String slowText() {
     // Don't convert the trailing zero byte.
-    return UTF8.decoder
+    return utf8.decoder
         .convert(zeroTerminatedContent, 0, zeroTerminatedContent.length - 1);
   }
 
@@ -248,7 +248,7 @@ class StringSourceFile extends SourceFile<String> {
   String slowText() => text;
 
   List<int> slowUtf8ZeroTerminatedBytes() {
-    return _zeroTerminateIfNecessary(UTF8.encode(text));
+    return _zeroTerminateIfNecessary(utf8.encode(text));
   }
 
   String slowSubstring(int start, int end) => text.substring(start, end);

pkg/compiler/lib/src/js_backend/constant_emitter.dart

@@ -146,9 +146,9 @@ class ConstantEmitter implements ConstantValueVisitor<jsAst.Expression, Null> {
     double value = constant.doubleValue;
     if (value.isNaN) {
       return js("0/0");
-    } else if (value == double.INFINITY) {
+    } else if (value == double.infinity) {
       return js("1/0");
-    } else if (value == -double.INFINITY) {
+    } else if (value == -double.infinity) {
       return js("-1/0");
     } else {
       String shortened = _shortenExponentialRepresentation("$value");

pkg/compiler/lib/src/js_backend/constant_system_javascript.dart

@@ -203,7 +203,7 @@ class JavaScriptRoundOperation implements UnaryOperation {
     if (constant.isInt) {
       IntConstantValue intConstant = constant;
       int value = intConstant.intValue;
-      if (value >= -double.MAX_FINITE && value <= double.MAX_FINITE) {
+      if (value >= -double.maxFinite && value <= double.maxFinite) {
         return tryToRound(value);
       }
     }

pkg/compiler/lib/src/js_emitter/program_builder/program_builder.dart

@@ -5,7 +5,7 @@
 library dart2js.js_emitter.program_builder;
 
 import 'dart:io';
-import 'dart:convert' show JSON;
+import 'dart:convert' show jsonDecode;
 
 import '../../closure.dart' show ClosureConversionTask, ClosureFieldElement;
 import '../../common.dart';
@@ -315,7 +315,7 @@ class ProgramBuilder {
       }
 
       String data = new File(allocatedClassesPath).readAsStringSync();
-      Set<String> allocatedClassesKeys = JSON.decode(data).keys.toSet();
+      Set<String> allocatedClassesKeys = jsonDecode(data).keys.toSet();
       Set<ClassEntity> allocatedClasses = new Set<ClassEntity>();
 
       // Collects all super and mixin classes of a class.

pkg/compiler/lib/src/kernel/front_end_adapter.dart

@@ -37,7 +37,7 @@ class _CompilerFileSystemEntity implements fe.FileSystemEntity {
     api.Input input;
     try {
       input = await fs.inputProvider
-          .readFromUri(uri, inputKind: api.InputKind.utf8);
+          .readFromUri(uri, inputKind: api.InputKind.UTF8);
     } catch (e) {
       throw new fe.FileSystemException(uri, '$e');
     }