Move compile-time constant registrations to the backend.

sdk/lib/_internal/compiler/implementation/constants.dart

Index: sdk/lib/_internal/compiler/implementation/constants.dart
diff --git a/sdk/lib/_internal/compiler/implementation/constants.dart b/sdk/lib/_internal/compiler/implementation/constants.dart
index bca652405c49be6b45649dac303a38a077fdd068..ae0c3be9b5873ce6d6b9e3810ce0d51a85429f8b 100644
--- a/sdk/lib/_internal/compiler/implementation/constants.dart
+++ b/sdk/lib/_internal/compiler/implementation/constants.dart
@@ -295,6 +295,10 @@ class StringConstant extends PrimitiveConstant {
   int get length => value.length;
 
   accept(ConstantVisitor visitor) => visitor.visitString(this);
+
+  String toString() {

[ahe, 2013/09/30 11:05:26]

Nice with toString implementation, but I suggest that you do something to
distinguish the values from constants. For example:

  return 'StringConstant(${Error.safeToString(value.slowToString())})';

[Johnni Winther, 2013/10/01 11:21:48]

Done.

+    return "'" + value.slowToString() + "'";

[ahe, 2013/09/30 11:05:26]

Use string interpolation, please.

[Johnni Winther, 2013/10/01 11:21:48]

Done.

+  }
 }
 
 abstract class ObjectConstant extends Constant {
@@ -323,6 +327,8 @@ class TypeConstant extends ObjectConstant {
   List<Constant> getDependencies() => const <Constant>[];
 
   accept(ConstantVisitor visitor) => visitor.visitType(this);
+
+  String toString() => '$representedType';
 }
 
 class ListConstant extends ObjectConstant {
@@ -362,6 +368,17 @@ class ListConstant extends ObjectConstant {
   int get length => entries.length;
 
   accept(ConstantVisitor visitor) => visitor.visitList(this);
+
+  String toString() {
+    StringBuffer sb = new StringBuffer();
+    sb.write('[');
+    for (int i = 0 ; i < entries.length ; i++) {
+      if (i > 0) sb.write(',');
+      sb.write(entries[i]);
+    }
+    sb.write(']');
+    return sb.toString();
+  }
 }
 
 class MapConstant extends ObjectConstant {
@@ -437,6 +454,19 @@ class MapConstant extends ObjectConstant {
   int get length => keys.length;
 
   accept(ConstantVisitor visitor) => visitor.visitMap(this);
+
+  String toString() {
+    StringBuffer sb = new StringBuffer();
+    sb.write('{');
+    for (int i = 0 ; i < keys.entries.length ; i++) {
+      if (i > 0) sb.write(',');
+      sb.write(keys.entries[i]);
+      sb.write(':');
+      sb.write(values[i]);
+    }
+    sb.write('}');
+    return sb.toString();
+  }
 }
 
 class InterceptorConstant extends Constant {
@@ -460,6 +490,10 @@ class InterceptorConstant extends Constant {
   accept(ConstantVisitor visitor) => visitor.visitInterceptor(this);
 
   DartType computeType(Compiler compiler) => compiler.types.dynamicType;
+
+  String toString() {
+    return 'InterceptorConstant($dispatchedType)';
+  }
 }
 
 class ConstructedConstant extends ObjectConstant {
@@ -510,4 +544,20 @@ class ConstructedConstant extends ObjectConstant {
     }, includeSuperAndInjectedMembers: true);
     return result;
   }
+
+  String toString() {
+    StringBuffer sb = new StringBuffer();
+    sb.write(type);
+    sb.write('(');
+    int i = 0;
+    fieldElements.forEach((Element field, Constant value) {
+      if (i > 0) sb.write(',');
+      sb.write(field.name.slowToString());
+      sb.write('=');
+      sb.write(value);
+      i++;
+    });
+    sb.write(')');
+    return sb.toString();
+  }
 }