cps-ir: Support foreign code.

pkg/compiler/lib/src/cps_ir/cps_ir_tracer.dart

Index: pkg/compiler/lib/src/cps_ir/cps_ir_tracer.dart
diff --git a/pkg/compiler/lib/src/cps_ir/cps_ir_tracer.dart b/pkg/compiler/lib/src/cps_ir/cps_ir_tracer.dart
index 5dbf8c749a8982a9ce603d7a353a808781dd4ed7..f9dd263d28df1ae8f82dac93a6f1a09e086b64f5 100644
--- a/pkg/compiler/lib/src/cps_ir/cps_ir_tracer.dart
+++ b/pkg/compiler/lib/src/cps_ir/cps_ir_tracer.dart
@@ -371,6 +371,14 @@ class IRTracer extends TracerUtil implements cps_ir.Visitor {
     String args = node.typeArguments.map(formatReference).join(', ');
     return "TypeTest ($value ${node.type} ($args))";
   }
+
+  @override
+  visitForeignCode(cps_ir.ForeignCode node) {

[Kevin Millikin (Google), 2015/06/16 11:23:10]

Ixpressions get printed on a line by themselves by doing something like:

String id = names.name(node);
String arguments = ...
String continuation = ...
printStmt(id, "ForeignCode ${node.type} ${node.codeTemplate} $arguments "
    "$continuation");

[karlklose, 2015/06/18 09:38:15]

Done.

+    String arguments = node.arguments.map(formatReference).join(', ');
+    String continuation = formatReference(node.continuation);
+    return "ForeignCode ${node.type} ${node.codeTemplate} $arguments "
+        "$continuation";
+  }
 }
 
 /**
@@ -557,42 +565,56 @@ class BlockCollector implements cps_ir.Visitor {
   visitLiteralList(cps_ir.LiteralList node) {
     unexpectedNode(node);
   }
+
   visitLiteralMap(cps_ir.LiteralMap node) {
     unexpectedNode(node);
   }
+
   visitConstant(cps_ir.Constant node) {
     unexpectedNode(node);
   }
+
+
   visitCreateFunction(cps_ir.CreateFunction node) {
     unexpectedNode(node);
   }
+
   visitGetMutableVariable(cps_ir.GetMutableVariable node) {
     unexpectedNode(node);
   }
+
   visitParameter(cps_ir.Parameter node) {
     unexpectedNode(node);
   }
+
   visitMutableVariable(cps_ir.MutableVariable node) {
     unexpectedNode(node);
   }
+
   visitGetField(cps_ir.GetField node) {
     unexpectedNode(node);
   }
+
   visitGetStatic(cps_ir.GetStatic node) {
     unexpectedNode(node);
   }
+
   visitCreateBox(cps_ir.CreateBox node) {
     unexpectedNode(node);
   }
+
   visitCreateInstance(cps_ir.CreateInstance node) {
     unexpectedNode(node);
   }
+
   visitIsTrue(cps_ir.IsTrue node) {
     unexpectedNode(node);
   }
+
   visitIdentical(cps_ir.Identical node) {
     unexpectedNode(node);
   }
+
   visitInterceptor(cps_ir.Interceptor node) {
     unexpectedNode(node);
   }
@@ -620,4 +642,9 @@ class BlockCollector implements cps_ir.Visitor {
   visitTypeTest(cps_ir.TypeTest node) {
     unexpectedNode(node);
   }
+
+  @override
+  visitForeignCode(cps_ir.ForeignCode node) {
+    unexpectedNode(node);

[Kevin Millikin (Google), 2015/06/16 11:23:10]

addEdgeToContinuation(node.continuation);

[karlklose, 2015/06/18 09:38:14]

Done.

+  }
 }