[interpreter] add source positions for call and call-new.

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 <sstream>
 
@@ skipping 12 matching lines @@
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
 #include "src/elements.h"
 #include "src/execution.h"
 #include "src/field-index.h"
 #include "src/field-index-inl.h"
 #include "src/full-codegen/full-codegen.h"
 #include "src/ic/ic.h"
 #include "src/identity-map.h"
 #include "src/interpreter/bytecodes.h"
+#include "src/interpreter/source-position-table.h"
 #include "src/isolate-inl.h"
 #include "src/key-accumulator.h"
 #include "src/list.h"
 #include "src/log.h"
 #include "src/lookup.h"
 #include "src/macro-assembler.h"
 #include "src/messages.h"
 #include "src/objects-inl.h"
 #include "src/objects-body-descriptors-inl.h"
 #include "src/profiler/cpu-profiler.h"
@@ skipping 14993 matching lines @@
 
   os << "RelocInfo (size = " << relocation_size() << ")\n";
   for (RelocIterator it(this); !it.done(); it.next()) {
     it.rinfo()->Print(GetIsolate(), os);
   }
   os << "\n";
 }
 #endif  // ENABLE_DISASSEMBLER
 
 int BytecodeArray::SourcePosition(int offset) {
-  // TODO(yangguo): implement this.
-  return 0;
+  return interpreter::SourcePositionTableIterator::PositionFromBytecodeOffset(
+      this, offset);
 }
 
 void BytecodeArray::Disassemble(std::ostream& os) {
   os << "Parameter count " << parameter_count() << "\n";
   os << "Frame size " << frame_size() << "\n";
   Vector<char> buf = Vector<char>::New(50);
 
   const uint8_t* first_bytecode_address = GetFirstBytecodeAddress();
   int bytecode_size = 0;
+
+  interpreter::SourcePositionTableIterator source_positions(this);
+  source_positions.Next();
+
   for (int i = 0; i < this->length(); i += bytecode_size) {
     const uint8_t* bytecode_start = &first_bytecode_address[i];
     interpreter::Bytecode bytecode =
         interpreter::Bytecodes::FromByte(bytecode_start[0]);
     bytecode_size = interpreter::Bytecodes::Size(bytecode);
 
+    if (i == source_positions.bytecode_offset()) {
+      os << std::setw(5) << source_positions.source_position();
+      os << (source_positions.is_statement() ? " S> " : " E> ");
+      source_positions.Next();
+    } else {
+      os << "        ";
+    }
+
     SNPrintF(buf, "%p", bytecode_start);
     os << buf.start() << " : ";
     interpreter::Bytecodes::Decode(os, bytecode_start, parameter_count());
 
     if (interpreter::Bytecodes::IsJumpConstantWide(bytecode)) {
       DCHECK_EQ(bytecode_size, 3);
       int index = static_cast<int>(ReadUnalignedUInt16(bytecode_start + 1));
       int offset = Smi::cast(constant_pool()->get(index))->value();
       SNPrintF(buf, " (%p)", bytecode_start + offset);
       os << buf.start();
     } else if (interpreter::Bytecodes::IsJumpConstant(bytecode)) {
       DCHECK_EQ(bytecode_size, 2);
       int index = static_cast<int>(bytecode_start[1]);
       int offset = Smi::cast(constant_pool()->get(index))->value();
       SNPrintF(buf, " (%p)", bytecode_start + offset);
       os << buf.start();
     } else if (interpreter::Bytecodes::IsJump(bytecode)) {
       DCHECK_EQ(bytecode_size, 2);
       int offset = static_cast<int8_t>(bytecode_start[1]);
       SNPrintF(buf, " (%p)", bytecode_start + offset);
       os << buf.start();
     }
-    os << "\n";
+
+    os << std::endl;
   }
 
   if (constant_pool()->length() > 0) {
     os << "Constant pool (size = " << constant_pool()->length() << ")\n";
     constant_pool()->Print();
   }
 
 #ifdef ENABLE_DISASSEMBLER
   if (handler_table()->length() > 0) {
     os << "Handler Table (size = " << handler_table()->Size() << ")\n";
@@ skipping 4692 matching lines @@
   if (cell->value() != *new_value) {
     cell->set_value(*new_value);
     Isolate* isolate = cell->GetIsolate();
     cell->dependent_code()->DeoptimizeDependentCodeGroup(
         isolate, DependentCode::kPropertyCellChangedGroup);
   }
 }
 
 }  // namespace internal
 }  // namespace v8