Extract ParseInfo from CompilationInfo.

src/codegen.cc

 // Copyright 2012 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/v8.h"
 
 #if defined(V8_OS_AIX)
 #include <fenv.h>
 #endif
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
 #include "src/compiler.h"
 #include "src/cpu-profiler.h"
 #include "src/debug.h"
+#include "src/parser.h"
 #include "src/prettyprinter.h"
 #include "src/rewriter.h"
 #include "src/runtime/runtime.h"
 
 namespace v8 {
 namespace internal {
 
 
 #if defined(_WIN64)
 typedef double (*ModuloFunction)(double, double);
@@ skipping 102 matching lines @@
           CodeStub::MajorName(info->code_stub()->MajorKey(), true);
       PrintF("%s", name == NULL ? "<unknown>" : name);
     } else {
       AllowDeferredHandleDereference allow_deference_for_trace;
       PrintF("%s", info->function()->debug_name()->ToCString().get());
     }
     PrintF("]\n");
   }
 
 #ifdef DEBUG
-  if (!info->IsStub() && print_source) {
+  if (info->parse_info() && print_source) {
     PrintF("--- Source from AST ---\n%s\n",
            PrettyPrinter(info->isolate(), info->zone())
                .PrintProgram(info->function()));
   }
 
-  if (!info->IsStub() && print_ast) {
+  if (info->parse_info() && print_ast) {
     PrintF("--- AST ---\n%s\n", AstPrinter(info->isolate(), info->zone())
                                     .PrintProgram(info->function()));
   }
 #endif  // DEBUG
 }
 
 
 Handle<Code> CodeGenerator::MakeCodeEpilogue(MacroAssembler* masm,
                                              Code::Flags flags,
                                              CompilationInfo* info) {
@@ skipping 20 matching lines @@
 
 void CodeGenerator::PrintCode(Handle<Code> code, CompilationInfo* info) {
 #ifdef ENABLE_DISASSEMBLER
   AllowDeferredHandleDereference allow_deference_for_print_code;
   bool print_code = info->isolate()->bootstrapper()->IsActive()
       ? FLAG_print_builtin_code
       : (FLAG_print_code ||
          (info->IsStub() && FLAG_print_code_stubs) ||
          (info->IsOptimizing() && FLAG_print_opt_code));
   if (print_code) {
-    // Print the source code if available.
-    FunctionLiteral* function = info->function();
-    bool print_source = code->kind() == Code::OPTIMIZED_FUNCTION ||
-        code->kind() == Code::FUNCTION;
+    const char* debug_name;
+    if (info->IsStub()) {
+      CodeStub::Major major_key = info->code_stub()->MajorKey();
+      debug_name = CodeStub::MajorName(major_key, false);
+    } else {
+      debug_name =
+          info->parse_info()->function()->debug_name()->ToCString().get();
+    }
 
     CodeTracer::Scope tracing_scope(info->isolate()->GetCodeTracer());
     OFStream os(tracing_scope.file());
+
+    // Print the source code if available.
+    FunctionLiteral* function = nullptr;
+    bool print_source =
+        info->parse_info() && (code->kind() == Code::OPTIMIZED_FUNCTION ||
+                               code->kind() == Code::FUNCTION);
     if (print_source) {
+      function = info->function();
       Handle<Script> script = info->script();
       if (!script->IsUndefined() && !script->source()->IsUndefined()) {
         os << "--- Raw source ---\n";
         StringCharacterStream stream(String::cast(script->source()),
                                      function->start_position());
         // fun->end_position() points to the last character in the stream. We
         // need to compensate by adding one to calculate the length.
         int source_len =
             function->end_position() - function->start_position() + 1;
         for (int i = 0; i < source_len; i++) {
           if (stream.HasMore()) {
             os << AsReversiblyEscapedUC16(stream.GetNext());
           }
         }
         os << "\n\n";
       }
     }
     if (info->IsOptimizing()) {
-      if (FLAG_print_unopt_code) {
+      if (FLAG_print_unopt_code && info->parse_info()) {
         os << "--- Unoptimized code ---\n";
-        info->closure()->shared()->code()->Disassemble(
-            function->debug_name()->ToCString().get(), os);
+        info->closure()->shared()->code()->Disassemble(debug_name, os);
       }
       os << "--- Optimized code ---\n"
          << "optimization_id = " << info->optimization_id() << "\n";
     } else {
       os << "--- Code ---\n";
     }
     if (print_source) {
       os << "source_position = " << function->start_position() << "\n";
     }
-    if (info->IsStub()) {
-      CodeStub::Major major_key = info->code_stub()->MajorKey();
-      code->Disassemble(CodeStub::MajorName(major_key, false), os);
-    } else {
-      code->Disassemble(function->debug_name()->ToCString().get(), os);
-    }
+    code->Disassemble(debug_name, os);
     os << "--- End code ---\n";
   }
 #endif  // ENABLE_DISASSEMBLER
 }
 
 
 bool CodeGenerator::RecordPositions(MacroAssembler* masm,
                                     int pos,
                                     bool right_here) {
   if (pos != RelocInfo::kNoPosition) {
     masm->positions_recorder()->RecordStatementPosition(pos);
     masm->positions_recorder()->RecordPosition(pos);
     if (right_here) {
       return masm->positions_recorder()->WriteRecordedPositions();
     }
   }
   return false;
 }
 
 } }  // namespace v8::internal