Use source position table in turbofan code.

src/isolate.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/isolate.h"
 
 #include <stdlib.h>
 
 #include <fstream>  // NOLINT(readability/streams)
 #include <sstream>
@@ skipping 603 matching lines @@
     // Encode the function index as line number.
     if (!line_key_.is_null()) {
       JSObject::AddProperty(
           stack_frame, line_key_,
           isolate_->factory()->NewNumberFromInt(frame->function_index()), NONE);
     }
     // Encode the byte offset as column.
     if (!column_key_.is_null()) {
       Code* code = frame->LookupCode();
       int offset = static_cast<int>(frame->pc() - code->instruction_start());
-      int position = code->SourcePosition(offset);
+      int position = AbstractCode::cast(code)->SourcePosition(offset);
       // Make position 1-based.
       if (position >= 0) ++position;
       JSObject::AddProperty(stack_frame, column_key_,
                             isolate_->factory()->NewNumberFromInt(position),
                             NONE);
     }
 
     return stack_frame;
   }
 
@@ skipping 675 matching lines @@
   return ReThrow(thrown);
 }
 
 
 void Isolate::PrintCurrentStackTrace(FILE* out) {
   StackTraceFrameIterator it(this);
   while (!it.done()) {
     HandleScope scope(this);
     // Find code position if recorded in relocation info.
     StandardFrame* frame = it.frame();
-    int pos;
+    AbstractCode* abstract_code;
+    int code_offset;
     if (frame->is_interpreted()) {
       InterpretedFrame* iframe = reinterpret_cast<InterpretedFrame*>(frame);
-      pos = iframe->GetBytecodeArray()->SourcePosition(
-          iframe->GetBytecodeOffset());
-    } else if (frame->is_java_script()) {
+      abstract_code = AbstractCode::cast(iframe->GetBytecodeArray());
+      code_offset = iframe->GetBytecodeOffset();
+    } else {
+      DCHECK(frame->is_java_script() || frame->is_wasm());
       Code* code = frame->LookupCode();
-      int offset = static_cast<int>(frame->pc() - code->instruction_start());
-      pos = frame->LookupCode()->SourcePosition(offset);
-    } else {
-      DCHECK(frame->is_wasm());
-      // TODO(clemensh): include wasm frames here
-      continue;
+      abstract_code = AbstractCode::cast(code);
+      code_offset = static_cast<int>(frame->pc() - code->instruction_start());
     }
+    int pos = abstract_code->SourcePosition(code_offset);
     JavaScriptFrame* js_frame = JavaScriptFrame::cast(frame);
     Handle<Object> pos_obj(Smi::FromInt(pos), this);
     // Fetch function and receiver.
     Handle<JSFunction> fun(js_frame->function());
     Handle<Object> recv(js_frame->receiver(), this);
     // Advance to the next JavaScript frame and determine if the
     // current frame is the top-level frame.
     it.Advance();
     Handle<Object> is_top_level = factory()->ToBoolean(it.done());
     // Generate and print stack trace line.
@@ skipping 1698 matching lines @@
   // Then check whether this scope intercepts.
   if ((flag & intercept_mask_)) {
     intercepted_flags_ |= flag;
     return true;
   }
   return false;
 }
 
 }  // namespace internal
 }  // namespace v8