Extract ParseInfo from CompilationInfo.

src/hydrogen.cc

 // Copyright 2013 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/hydrogen.h"
 
 #include <sstream>
 
 #include "src/v8.h"
 
@@ skipping 5279 matching lines @@
     context = Add<HLoadNamedField>(
         context, nullptr,
         HObjectAccess::ForContextSlot(Context::PREVIOUS_INDEX));
   }
   return context;
 }
 
 
 void HOptimizedGraphBuilder::VisitVariableProxy(VariableProxy* expr) {
   if (expr->is_this()) {
-    current_info()->set_this_has_uses(true);
+    current_info()->parse_info()->set_this_has_uses(true);
   }
 
   DCHECK(!HasStackOverflow());
   DCHECK(current_block() != NULL);
   DCHECK(current_block()->HasPredecessor());
   Variable* variable = expr->var();
   switch (variable->location()) {
     case Variable::UNALLOCATED: {
       if (IsLexicalVariableMode(variable->mode())) {
         // TODO(rossberg): should this be an DCHECK?
@@ skipping 2523 matching lines @@
 
   // We don't want to add more than a certain number of nodes from inlining.
   // Always inline small methods (<= 10 nodes).
   if (inlined_count_ > Min(FLAG_max_inlined_nodes_cumulative,
                            kUnlimitedMaxInlinedNodesCumulative)) {
     TraceInline(target, caller, "cumulative AST node limit reached");
     return false;
   }
 
   // Parse and allocate variables.
-  CompilationInfo target_info(target, zone());
   // Use the same AstValueFactory for creating strings in the sub-compilation
   // step, but don't transfer ownership to target_info.
-  target_info.SetAstValueFactory(top_info()->ast_value_factory(), false);
+  ParseInfo parse_info(zone());
+  parse_info.InitializeFromJSFunction(target);
+  parse_info.set_ast_value_factory(
+      top_info()->parse_info()->ast_value_factory());
+  parse_info.set_ast_value_factory_owned(false);
+
+  CompilationInfo target_info(&parse_info);
   Handle<SharedFunctionInfo> target_shared(target->shared());
-  if (!Compiler::ParseAndAnalyze(&target_info)) {
+  if (!Compiler::ParseAndAnalyze(target_info.parse_info())) {
     if (target_info.isolate()->has_pending_exception()) {
       // Parse or scope error, never optimize this function.
       SetStackOverflow();
       target_shared->DisableOptimization(kParseScopeError);
     }
     TraceInline(target, caller, "parse failure");
     return false;
   }
 
   if (target_info.scope()->num_heap_slots() > 0) {
@@ skipping 5557 matching lines @@
   if (ShouldProduceTraceOutput()) {
     isolate()->GetHTracer()->TraceHydrogen(name(), graph_);
   }
 
 #ifdef DEBUG
   graph_->Verify(false);  // No full verify.
 #endif
 }
 
 } }  // namespace v8::internal