Extract ParseInfo from CompilationInfo.

src/compiler/linkage.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/code-stubs.h"
 #include "src/compiler.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/node.h"
 #include "src/compiler/pipeline.h"
 #include "src/scopes.h"
@@ skipping 21 matching lines @@
 
 std::ostream& operator<<(std::ostream& os, const CallDescriptor& d) {
   // TODO(svenpanne) Output properties etc. and be less cryptic.
   return os << d.kind() << ":" << d.debug_name() << ":r" << d.ReturnCount()
             << "j" << d.JSParameterCount() << "i" << d.InputCount() << "f"
             << d.FrameStateCount();
 }
 
 
 CallDescriptor* Linkage::ComputeIncoming(Zone* zone, CompilationInfo* info) {
+  if (info->code_stub() != NULL) {
+    // Use the code stub interface descriptor.
+    CallInterfaceDescriptor descriptor =
+        info->code_stub()->GetCallInterfaceDescriptor();
+    return GetStubCallDescriptor(info->isolate(), zone, descriptor, 0,
+                                 CallDescriptor::kNoFlags,
+                                 Operator::kNoProperties);
+  }
   if (info->function() != NULL) {
     // If we already have the function literal, use the number of parameters
     // plus the receiver.
     return GetJSCallDescriptor(zone, info->is_osr(),
                                1 + info->function()->parameter_count(),
                                CallDescriptor::kNoFlags);
   }
   if (!info->closure().is_null()) {
     // If we are compiling a JS function, use a JS call descriptor,
     // plus the receiver.
     SharedFunctionInfo* shared = info->closure()->shared();
     return GetJSCallDescriptor(zone, info->is_osr(),
                                1 + shared->internal_formal_parameter_count(),
                                CallDescriptor::kNoFlags);
   }
-  if (info->code_stub() != NULL) {
-    // Use the code stub interface descriptor.
-    CallInterfaceDescriptor descriptor =
-        info->code_stub()->GetCallInterfaceDescriptor();
-    return GetStubCallDescriptor(info->isolate(), zone, descriptor, 0,
-                                 CallDescriptor::kNoFlags,
-                                 Operator::kNoProperties);
-  }
   return NULL;  // TODO(titzer): ?
 }
 
 
 FrameOffset Linkage::GetFrameOffset(int spill_slot, Frame* frame,
                                     int extra) const {
   if (frame->GetSpillSlotCount() > 0 || incoming_->IsJSFunctionCall() ||
       incoming_->kind() == CallDescriptor::kCallAddress) {
     int offset;
     int register_save_area_size = frame->GetRegisterSaveAreaSize();
@@ skipping 107 matching lines @@
 
 CallDescriptor* Linkage::GetSimplifiedCDescriptor(Zone* zone,
                                                   const MachineSignature* sig) {
   UNIMPLEMENTED();
   return NULL;
 }
 #endif  // !V8_TURBOFAN_BACKEND
 }
 }
 }  // namespace v8::internal::compiler