[coverage] Block coverage with support for IfStatements

src/objects.cc

 // Copyright 2015 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/objects.h"
 
 #include <cmath>
 #include <iomanip>
 #include <memory>
 #include <sstream>
@@ skipping 13367 matching lines @@
 }
 
 bool SharedFunctionInfo::HasBreakInfo() const {
   if (!HasDebugInfo()) return false;
   DebugInfo* info = DebugInfo::cast(debug_info());
   bool has_break_info = info->HasBreakInfo();
   DCHECK_IMPLIES(has_break_info, HasDebugCode());
   return has_break_info;
 }
 
+bool SharedFunctionInfo::HasCoverageInfo() const {
+  if (!HasDebugInfo()) return false;
+  DebugInfo* info = DebugInfo::cast(debug_info());
+  bool has_coverage_info = info->HasCoverageInfo();
+  DCHECK_IMPLIES(has_coverage_info, FLAG_block_coverage);
+  return has_coverage_info;
+}
+
 DebugInfo* SharedFunctionInfo::GetDebugInfo() const {
   DCHECK(HasDebugInfo());
   return DebugInfo::cast(debug_info());
 }
 
 int SharedFunctionInfo::debugger_hints() const {
   if (HasDebugInfo()) return GetDebugInfo()->debugger_hints();
   return Smi::cast(debug_info())->value();
 }
 
@@ skipping 7125 matching lines @@
       // not
       // depend on this.
       return DICTIONARY_ELEMENTS;
     }
     DCHECK_LE(kind, LAST_ELEMENTS_KIND);
     return kind;
   }
 }
 }  // namespace internal
 }  // namespace v8