Add name inference for anonymous functions to facilitate debugging and profiling of JS code.

src/prettyprinter.cc

 // Copyright 2006-2008 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 691 matching lines @@
 void AstPrinter::PrintIndentedVisit(const char* s, Node* node) {
   IndentedScope indent(s);
   Visit(node);
 }
 
 
 const char* AstPrinter::PrintProgram(FunctionLiteral* program) {
   Init();
   { IndentedScope indent("FUNC");
     PrintLiteralIndented("NAME", program->name(), true);
+    PrintLiteralIndented("INFERRED NAME", program->inferred_name(), true);
     PrintParameters(program->scope());
     PrintDeclarations(program->scope()->declarations());
     PrintStatements(program->body());
   }
   return Output();
 }
 
 
 void AstPrinter::PrintDeclarations(ZoneList<Declaration*>* declarations) {
   if (declarations->length() > 0) {
@@ skipping 156 matching lines @@
 
 
 void AstPrinter::VisitDebuggerStatement(DebuggerStatement* node) {
   IndentedScope indent("DEBUGGER");
 }
 
 
 void AstPrinter::VisitFunctionLiteral(FunctionLiteral* node) {
   IndentedScope indent("FUNC LITERAL");
   PrintLiteralIndented("NAME", node->name(), false);
+  PrintLiteralIndented("INFERRED NAME", node->inferred_name(), false);
   PrintParameters(node->scope());
   // We don't want to see the function literal in this case: it
   // will be printed via PrintProgram when the code for it is
   // generated.
   // PrintStatements(node->body());
 }
 
 
 void AstPrinter::VisitFunctionBoilerplateLiteral(
     FunctionBoilerplateLiteral* node) {
@@ skipping 193 matching lines @@
 
 void AstPrinter::VisitThisFunction(ThisFunction* node) {
   IndentedScope indent("THIS-FUNCTION");
 }
 
 
 
 #endif  // DEBUG
 
 } }  // namespace v8::internal