Build CodeSourceMap for each code object

runtime/vm/compiler.cc

 // 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.
 
 #include "vm/compiler.h"
 
 #include "vm/assembler.h"
 
 #include "vm/ast_printer.h"
 #include "vm/block_scheduler.h"
@@ skipping 41 matching lines @@
     "Do conditional constant propagation/unreachable code elimination.");
 DEFINE_FLAG(int, max_deoptimization_counter_threshold, 16,
     "How many times we allow deoptimization before we disallow optimization.");
 DEFINE_FLAG(bool, loop_invariant_code_motion, true,
     "Do loop invariant code motion.");
 DEFINE_FLAG(bool, print_flow_graph, false, "Print the IR flow graph.");
 DEFINE_FLAG(bool, print_flow_graph_optimized, false,
     "Print the IR flow graph when optimizing.");
 DEFINE_FLAG(bool, print_ic_data_map, false,
     "Print the deopt-id to ICData map in optimizing compiler.");
+DEFINE_FLAG(bool, print_code_source_map, false, "Print code source map.");
 DEFINE_FLAG(bool, range_analysis, true, "Enable range analysis");
 DEFINE_FLAG(bool, reorder_basic_blocks, true, "Enable basic-block reordering.");
 DEFINE_FLAG(bool, trace_compiler, false, "Trace compiler operations.");
 DEFINE_FLAG(bool, trace_optimizing_compiler, false,
     "Trace only optimizing compiler operations.");
 DEFINE_FLAG(bool, trace_bailout, false, "Print bailout from ssa compiler.");
 DEFINE_FLAG(bool, use_inlining, true, "Enable call-site inlining");
 DEFINE_FLAG(bool, verify_compiler, false,
     "Enable compiler verification assertions");
 
@@ skipping 389 matching lines @@
   code.SetInlinedCallerIdMap(caller_inlining_id_map_array);
 
   graph_compiler->FinalizePcDescriptors(code);
   code.set_deopt_info_array(deopt_info_array);
 
   graph_compiler->FinalizeStackmaps(code);
   graph_compiler->FinalizeVarDescriptors(code);
   graph_compiler->FinalizeExceptionHandlers(code);
   graph_compiler->FinalizeStaticCallTargetsTable(code);
 
+  // Set the code source map after setting the inlined information because

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

NOT_IN_PRODUCT

[Cutch, 2016/02/26 15:59:21]

Done.

+  // we use the inlined information when printing.
+  const CodeSourceMap& code_source_map =
+      CodeSourceMap::Handle(
+          zone,
+          graph_compiler->code_source_map_builder()->Finalize());
+  code.set_code_source_map(code_source_map);
+  if (FLAG_print_code_source_map) {
+    CodeSourceMap::Dump(code_source_map, code, function);
+  }
   if (optimized()) {
     // Installs code while at safepoint.
     if (thread()->IsMutatorThread()) {
       const bool is_osr = osr_id() != Compiler::kNoOSRDeoptId;
       function.InstallOptimizedCode(code, is_osr);
     } else {
       // Background compilation.
       // Before installing code check generation counts if the code may
       // have become invalid.
       const bool trace_compiler =
@@ skipping 1356 matching lines @@
 }
 
 
 void BackgroundCompiler::EnsureInit(Thread* thread) {
   UNREACHABLE();
 }
 
 #endif  // DART_PRECOMPILED_RUNTIME
 
 }  // namespace dart