Source positions for constructors and lots of async machinery

runtime/vm/code_descriptors_test.cc

 // Copyright (c) 2012, 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.
 
 #include "platform/assert.h"
 #include "vm/globals.h"
 
 #include "vm/ast.h"
 #include "vm/assembler.h"
 #include "vm/code_descriptors.h"
 #include "vm/compiler.h"
 #include "vm/dart_entry.h"
 #include "vm/native_entry.h"
 #include "vm/parser.h"
 #include "vm/symbols.h"
 #include "vm/thread.h"
 #include "vm/unit_test.h"
 
 namespace dart {
 
-static const intptr_t kPos = Scanner::kNoSourcePos;
+static const intptr_t kPos = Token::kNoSourcePos;
 
 
 CODEGEN_TEST_GENERATE(StackmapCodegen, test) {
   ParsedFunction* parsed_function =
       new ParsedFunction(Thread::Current(), test->function());
   LiteralNode* l = new LiteralNode(kPos, Smi::ZoneHandle(Smi::New(1)));
   test->node_sequence()->Add(new ReturnNode(kPos, l));
   l = new LiteralNode(kPos, Smi::ZoneHandle(Smi::New(2)));
   test->node_sequence()->Add(new ReturnNode(kPos, l));
   l = new LiteralNode(kPos, Smi::ZoneHandle(Smi::New(3)));
@@ skipping 229 matching lines @@
   code.set_stackmaps(stack_maps);
 
   // Now invoke 'A.moo' and it will trigger a GC when the native function
   // is called, this should then cause the stack map of function 'A.foo'
   // to be traversed and the appropriate objects visited.
   const Object& result = Object::Handle(
       DartEntry::InvokeFunction(function_foo, Object::empty_array()));
   EXPECT(!result.IsError());
 }
 
+
+TEST_CASE(DescriptorList_TokenPositions) {
+  DescriptorList* descriptors = new DescriptorList(64);
+  ASSERT(descriptors != NULL);
+  const intptr_t token_positions[] = {
+    kMinInt32,
+    5,
+    13,
+    13,
+    13,
+    13,
+    31,
+    23,
+    23,
+    23,
+    33,
+    33,
+    5,
+    5,
+    Token::kMinSourcePos,
+    Token::kMaxSourcePos,
+  };
+  const intptr_t num_token_positions =
+      sizeof(token_positions) / sizeof(token_positions[0]);
+
+  for (intptr_t i = 0; i < num_token_positions; i++) {
+    descriptors->AddDescriptor(RawPcDescriptors::kRuntimeCall, 0, 0,
+                               token_positions[i], 0);
+  }
+
+  const PcDescriptors& finalized_descriptors =
+      PcDescriptors::Handle(descriptors->FinalizePcDescriptors(0));
+
+  ASSERT(!finalized_descriptors.IsNull());
+  PcDescriptors::Iterator it(finalized_descriptors,
+                             RawPcDescriptors::kRuntimeCall);
+
+  intptr_t i = 0;
+  while (it.MoveNext()) {
+    if (token_positions[i] != it.TokenPos()) {
+      OS::Print("[%" Pd "]: Expected: %" Pd " != %" Pd "\n",
+                i, token_positions[i], it.TokenPos());
+    }
+    EXPECT(token_positions[i] == it.TokenPos());
+    i++;
+  }
+}
+
 }  // namespace dart