Line data    Source code

       1             : // Copyright 2018 the V8 project authors. All rights reserved.
       2             : // Use of this source code is governed by a BSD-style license that can be
       3             : // found in the LICENSE file.
       4             : 
       5             : #include "src/unoptimized-compilation-info.h"
       6             : 
       7             : #include "src/ast/ast.h"
       8             : #include "src/ast/scopes.h"
       9             : #include "src/debug/debug.h"
      10             : #include "src/isolate.h"
      11             : #include "src/objects-inl.h"
      12             : #include "src/parsing/parse-info.h"
      13             : #include "src/source-position.h"
      14             : 
      15             : namespace v8 {
      16             : namespace internal {
      17             : 
      18     2120718 : UnoptimizedCompilationInfo::UnoptimizedCompilationInfo(Zone* zone,
      19             :                                                        ParseInfo* parse_info,
      20             :                                                        FunctionLiteral* literal)
      21     2120718 :     : flags_(0), zone_(zone), feedback_vector_spec_(zone) {
      22             :   // NOTE: The parse_info passed here represents the global information gathered
      23             :   // during parsing, but does not represent specific details of the actual
      24             :   // function literal being compiled for this OptimizedCompilationInfo. As such,
      25             :   // parse_info->literal() might be different from literal, and only global
      26             :   // details of the script being parsed are relevant to this
      27             :   // OptimizedCompilationInfo.
      28             :   DCHECK_NOT_NULL(literal);
      29     2120752 :   literal_ = literal;
      30     2120752 :   source_range_map_ = parse_info->source_range_map();
      31             : 
      32     2120752 :   if (parse_info->is_eval()) MarkAsEval();
      33     2120752 :   if (parse_info->collect_type_profile()) MarkAsCollectTypeProfile();
      34     2120752 :   if (parse_info->might_always_opt()) MarkAsMightAlwaysOpt();
      35     2120752 :   if (parse_info->collect_source_positions()) {
      36             :     MarkAsForceCollectSourcePositions();
      37             :   }
      38     2120752 : }
      39             : 
      40     8446056 : DeclarationScope* UnoptimizedCompilationInfo::scope() const {
      41             :   DCHECK_NOT_NULL(literal_);
      42    10563033 :   return literal_->scope();
      43             : }
      44             : 
      45           0 : int UnoptimizedCompilationInfo::num_parameters() const {
      46           0 :   return scope()->num_parameters();
      47             : }
      48             : 
      49     2116977 : int UnoptimizedCompilationInfo::num_parameters_including_this() const {
      50     2116977 :   return scope()->num_parameters() + 1;
      51             : }
      52             : 
      53             : SourcePositionTableBuilder::RecordingMode
      54     2116962 : UnoptimizedCompilationInfo::SourcePositionRecordingMode() const {
      55     2116962 :   if (collect_source_positions()) {
      56             :     return SourcePositionTableBuilder::RECORD_SOURCE_POSITIONS;
      57             :   }
      58             : 
      59             :   // Always collect source positions for functions that cannot be lazily
      60             :   // compiled, e.g. class member initializer functions.
      61          45 :   return !literal_->AllowsLazyCompilation()
      62             :              ? SourcePositionTableBuilder::RECORD_SOURCE_POSITIONS
      63          45 :              : SourcePositionTableBuilder::LAZY_SOURCE_POSITIONS;
      64             : }
      65             : 
      66             : }  // namespace internal
      67      122004 : }  // namespace v8