Home | History | Annotate | Download | only in src 
      1 // Copyright 2010 the V8 project authors. All rights reserved.
      2 // Redistribution and use in source and binary forms, with or without
      3 // modification, are permitted provided that the following conditions are
      4 // met:
      5 //
      6 //     * Redistributions of source code must retain the above copyright
      7 //       notice, this list of conditions and the following disclaimer.
      8 //     * Redistributions in binary form must reproduce the above
      9 //       copyright notice, this list of conditions and the following
     10 //       disclaimer in the documentation and/or other materials provided
     11 //       with the distribution.
     12 //     * Neither the name of Google Inc. nor the names of its
     13 //       contributors may be used to endorse or promote products derived
     14 //       from this software without specific prior written permission.
     15 //
     16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 
     28 
     29 #include "v8.h"
     30 
     31 #include "liveedit.h"
     32 #include "compiler.h"
     33 #include "oprofile-agent.h"
     34 #include "scopes.h"
     35 #include "global-handles.h"
     36 #include "debug.h"
     37 
     38 namespace v8 {
     39 namespace internal {
     40 
     41 
     42 class FunctionInfoListener {
     43  public:
     44   void FunctionStarted(FunctionLiteral* fun) {
     45     // Implementation follows.
     46   }
     47 
     48   void FunctionDone() {
     49     // Implementation follows.
     50   }
     51 
     52   void FunctionScope(Scope* scope) {
     53     // Implementation follows.
     54   }
     55 
     56   void FunctionCode(Handle<Code> function_code) {
     57     // Implementation follows.
     58   }
     59 };
     60 
     61 static FunctionInfoListener* active_function_info_listener = NULL;
     62 
     63 LiveEditFunctionTracker::LiveEditFunctionTracker(FunctionLiteral* fun) {
     64   if (active_function_info_listener != NULL) {
     65     active_function_info_listener->FunctionStarted(fun);
     66   }
     67 }
     68 LiveEditFunctionTracker::~LiveEditFunctionTracker() {
     69   if (active_function_info_listener != NULL) {
     70     active_function_info_listener->FunctionDone();
     71   }
     72 }
     73 void LiveEditFunctionTracker::RecordFunctionCode(Handle<Code> code) {
     74   if (active_function_info_listener != NULL) {
     75     active_function_info_listener->FunctionCode(code);
     76   }
     77 }
     78 void LiveEditFunctionTracker::RecordFunctionScope(Scope* scope) {
     79   if (active_function_info_listener != NULL) {
     80     active_function_info_listener->FunctionScope(scope);
     81   }
     82 }
     83 bool LiveEditFunctionTracker::IsActive() {
     84   return active_function_info_listener != NULL;
     85 }
     86 
     87 } }  // namespace v8::internal
     88