More refactoring of class Compiler's interface.

src/data-flow.cc

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 32 matching lines @@
       if (!first) PrintF(",");
       first = false;
       PrintF("%d", i);
     }
   }
   PrintF("}");
 }
 #endif
 
 
-bool AssignedVariablesAnalyzer::Analyze() {
-  Scope* scope = fun_->scope();
+bool AssignedVariablesAnalyzer::Analyze(CompilationInfo* info) {
+  info_ = info;
+  Scope* scope = info->scope();
   int variables = scope->num_parameters() + scope->num_stack_slots();
   if (variables == 0) return true;
   av_.ExpandTo(variables);
-  VisitStatements(fun_->body());
+  VisitStatements(info->function()->body());
   return !HasStackOverflow();
 }
 
 
 Variable* AssignedVariablesAnalyzer::FindSmiLoopVariable(ForStatement* stmt) {
   // The loop must have all necessary parts.
   if (stmt->init() == NULL || stmt->cond() == NULL || stmt->next() == NULL) {
     return NULL;
   }
   // The initialization statement has to be a simple assignment.
@@ skipping 53 matching lines @@
   return loop_var;
 }
 
 int AssignedVariablesAnalyzer::BitIndex(Variable* var) {
   ASSERT(var != NULL);
   ASSERT(var->IsStackAllocated());
   Slot* slot = var->AsSlot();
   if (slot->type() == Slot::PARAMETER) {
     return slot->index();
   } else {
-    return fun_->scope()->num_parameters() + slot->index();
+    return info_->scope()->num_parameters() + slot->index();
   }
 }
 
 
 void AssignedVariablesAnalyzer::RecordAssignedVar(Variable* var) {
   ASSERT(var != NULL);
   if (var->IsStackAllocated()) {
     av_.Add(BitIndex(var));
   }
 }
@@ skipping 372 matching lines @@
   ASSERT(av_.IsEmpty());
 }
 
 
 void AssignedVariablesAnalyzer::VisitDeclaration(Declaration* decl) {
   UNREACHABLE();
 }
 
 
 } }  // namespace v8::internal