Build CodeSourceMap for each code object

runtime/vm/flow_graph_compiler.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_FLOW_GRAPH_COMPILER_H_
 #define VM_FLOW_GRAPH_COMPILER_H_
 
 #include "vm/allocation.h"
 #include "vm/assembler.h"
 #include "vm/code_descriptors.h"
@@ skipping 569 matching lines @@
   }
 
   RawArray* edge_counters_array() const {
     return edge_counters_array_.raw();
   }
 
   RawArray* InliningIdToFunction() const;
 
   RawArray* CallerInliningIdMap() const;
 
+  CodeSourceMapBuilder* code_source_map_builder() {
+    if (code_source_map_builder_ == NULL) {
+      code_source_map_builder_ = new CodeSourceMapBuilder();
+    }
+    ASSERT(code_source_map_builder_ != NULL);
+    return code_source_map_builder_;
+  }
+
+  void SaveCodeSize();

[rmacnak, 2016/02/25 23:04:40]

Consider BeginCodeSourceRange()/EndCodeSourceRange(token)

[Cutch, 2016/02/26 15:59:22]

Done.

+  bool MaybeEmitCodeSourceMapEntry(TokenPosition token_pos);
+
  private:
   friend class CheckStackOverflowSlowPath;  // For pending_deoptimization_env_.
 
   void EmitFrameEntry();
 
   void AddStaticCallTarget(const Function& function);
 
   void GenerateDeferredCode();
 
   void EmitInstructionPrologue(Instruction* instr);
@@ skipping 137 matching lines @@
   GrowableArray<Representation> frame_state_;
 #endif
 
   // Compiler specific per-block state.  Indexed by postorder block number
   // for convenience.  This is not the block's index in the block order,
   // which is reverse postorder.
   BlockEntryInstr* current_block_;
   ExceptionHandlerList* exception_handlers_list_;
   DescriptorList* pc_descriptors_list_;
   StackmapTableBuilder* stackmap_table_builder_;
+  CodeSourceMapBuilder* code_source_map_builder_;
+  intptr_t saved_code_size_;
   GrowableArray<BlockInfo*> block_info_;
   GrowableArray<CompilerDeoptInfo*> deopt_infos_;
   GrowableArray<SlowPathCode*> slow_path_code_;
   // Stores static call targets as well as stub targets.
   // TODO(srdjan): Evaluate if we should store allocation stub targets into a
   // separate table?
   GrowableArray<StaticCallsStruct*> static_calls_target_table_;
   const bool is_optimizing_;
   // Set to true if optimized code has IC calls.
   bool may_reoptimize_;
@@ skipping 25 matching lines @@
   Array& inlined_code_intervals_;
   const GrowableArray<const Function*>& inline_id_to_function_;
   const GrowableArray<intptr_t>& caller_inline_id_;
 
   DISALLOW_COPY_AND_ASSIGN(FlowGraphCompiler);
 };
 
 }  // namespace dart
 
 #endif  // VM_FLOW_GRAPH_COMPILER_H_