Add Vector type to Kernel

pkg/kernel/lib/text/ast_to_text.dart

Index: pkg/kernel/lib/text/ast_to_text.dart
diff --git a/pkg/kernel/lib/text/ast_to_text.dart b/pkg/kernel/lib/text/ast_to_text.dart
index a393327fd91c43bd4188adfb588cd7c6e0df4bce..6682aa04d4ce35eda322ca5102738009344da494 100644
--- a/pkg/kernel/lib/text/ast_to_text.dart
+++ b/pkg/kernel/lib/text/ast_to_text.dart
@@ -455,6 +455,10 @@ class Printer extends Visitor<Null> {
     }
   }
 
+  visitVectorType(VectorType type) {
+    writeWord('Vector');
+  }
+
   void writeModifier(bool isThere, String name) {
     if (isThere) {
       writeWord(name);
@@ -1017,6 +1021,36 @@ class Printer extends Visitor<Null> {
     state = WORD;
   }
 
+  visitVectorCreation(VectorCreation node) {
+    writeWord('MakeVector');
+    writeSymbol('(');
+    writeWord(node.length.toString());
+    writeSymbol(')');
+  }
+
+  visitVectorGet(VectorGet node) {
+    writeExpression(node.vectorExpression);
+    writeSymbol('[');
+    writeWord(node.index.toString());
+    writeSymbol(']');
+  }
+
+  visitVectorSet(VectorSet node) {
+    writeExpression(node.vectorExpression);
+    writeSymbol('[');
+    writeWord(node.index.toString());
+    writeSymbol(']');
+    writeSpaced('=');
+    writeExpression(node.value);
+  }
+
+  visitVectorCopy(VectorCopy node) {
+    writeWord('CopyVector');
+    writeSymbol('(');
+    writeExpression(node.vectorExpression);
+    writeSymbol(')');
+  }
+
   visitDeferredImport(DeferredImport node) {
     write('import "');
     write('${node.importedLibrary.importUri}');