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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. | 
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be | 
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. | 
| 4 | 4 | 
| 5 #ifndef V8_CRANKSHAFT_HYDROGEN_H_ | 5 #ifndef V8_CRANKSHAFT_HYDROGEN_H_ | 
| 6 #define V8_CRANKSHAFT_HYDROGEN_H_ | 6 #define V8_CRANKSHAFT_HYDROGEN_H_ | 
| 7 | 7 | 
| 8 #include "src/accessors.h" | 8 #include "src/accessors.h" | 
| 9 #include "src/allocation.h" | 9 #include "src/allocation.h" | 
| 10 #include "src/ast/ast-type-bounds.h" | 10 #include "src/ast/ast-type-bounds.h" | 
| 11 #include "src/ast/ast.h" | 11 #include "src/ast/ast.h" | 
| 12 #include "src/ast/scopes.h" | 12 #include "src/ast/scopes.h" | 
| 13 #include "src/bailout-reason.h" | 13 #include "src/bailout-reason.h" | 
| 14 #include "src/compiler.h" | 14 #include "src/compiler.h" | 
| 15 #include "src/crankshaft/compilation-phase.h" | 15 #include "src/crankshaft/compilation-phase.h" | 
| 16 #include "src/crankshaft/hydrogen-instructions.h" | 16 #include "src/crankshaft/hydrogen-instructions.h" | 
|  | 17 #include "src/globals.h" | 
| 17 #include "src/parsing/parser.h" | 18 #include "src/parsing/parser.h" | 
| 18 #include "src/zone.h" | 19 #include "src/zone.h" | 
| 19 | 20 | 
| 20 namespace v8 { | 21 namespace v8 { | 
| 21 namespace internal { | 22 namespace internal { | 
| 22 | 23 | 
| 23 // Forward declarations. | 24 // Forward declarations. | 
| 24 class BitVector; | 25 class BitVector; | 
| 25 class FunctionState; | 26 class FunctionState; | 
| 26 class HEnvironment; | 27 class HEnvironment; | 
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| 1916   HValue* BuildGetParentContext(HValue* depth, int depth_value); | 1917   HValue* BuildGetParentContext(HValue* depth, int depth_value); | 
| 1917 | 1918 | 
| 1918   HInstruction* BuildGetArrayFunction(); | 1919   HInstruction* BuildGetArrayFunction(); | 
| 1919   HValue* BuildArrayBufferViewFieldAccessor(HValue* object, | 1920   HValue* BuildArrayBufferViewFieldAccessor(HValue* object, | 
| 1920                                             HValue* checked_object, | 1921                                             HValue* checked_object, | 
| 1921                                             FieldIndex index); | 1922                                             FieldIndex index); | 
| 1922 | 1923 | 
| 1923 | 1924 | 
| 1924  protected: | 1925  protected: | 
| 1925   void SetSourcePosition(int position) { | 1926   void SetSourcePosition(int position) { | 
| 1926     if (position != RelocInfo::kNoPosition) { | 1927     if (position != kNoSourcePosition) { | 
| 1927       position_.set_position(position - start_position_); | 1928       position_.set_position(position - start_position_); | 
| 1928     } | 1929     } | 
| 1929     // Otherwise position remains unknown. | 1930     // Otherwise position remains unknown. | 
| 1930   } | 1931   } | 
| 1931 | 1932 | 
| 1932   void EnterInlinedSource(int start_position, int id) { | 1933   void EnterInlinedSource(int start_position, int id) { | 
| 1933     if (top_info()->is_tracking_positions()) { | 1934     if (top_info()->is_tracking_positions()) { | 
| 1934       start_position_ = start_position; | 1935       start_position_ = start_position; | 
| 1935       position_.set_inlining_id(id); | 1936       position_.set_inlining_id(id); | 
| 1936     } | 1937     } | 
| 1937   } | 1938   } | 
| 1938 | 1939 | 
| 1939   // Convert the given absolute offset from the start of the script to | 1940   // Convert the given absolute offset from the start of the script to | 
| 1940   // the SourcePosition assuming that this position corresponds to the | 1941   // the SourcePosition assuming that this position corresponds to the | 
| 1941   // same function as current position_. | 1942   // same function as current position_. | 
| 1942   SourcePosition ScriptPositionToSourcePosition(int position) { | 1943   SourcePosition ScriptPositionToSourcePosition(int position) { | 
| 1943     if (position == RelocInfo::kNoPosition) { | 1944     if (position == kNoSourcePosition) { | 
| 1944       return SourcePosition::Unknown(); | 1945       return SourcePosition::Unknown(); | 
| 1945     } | 1946     } | 
| 1946     SourcePosition pos = position_; | 1947     SourcePosition pos = position_; | 
| 1947     pos.set_position(position - start_position_); | 1948     pos.set_position(position - start_position_); | 
| 1948     return pos; | 1949     return pos; | 
| 1949   } | 1950   } | 
| 1950 | 1951 | 
| 1951   SourcePosition source_position() { return position_; } | 1952   SourcePosition source_position() { return position_; } | 
| 1952   void set_source_position(SourcePosition position) { position_ = position; } | 1953   void set_source_position(SourcePosition position) { position_ = position; } | 
| 1953 | 1954 | 
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| 3099   } | 3100   } | 
| 3100 | 3101 | 
| 3101  private: | 3102  private: | 
| 3102   HOptimizedGraphBuilder* builder_; | 3103   HOptimizedGraphBuilder* builder_; | 
| 3103 }; | 3104 }; | 
| 3104 | 3105 | 
| 3105 }  // namespace internal | 3106 }  // namespace internal | 
| 3106 }  // namespace v8 | 3107 }  // namespace v8 | 
| 3107 | 3108 | 
| 3108 #endif  // V8_CRANKSHAFT_HYDROGEN_H_ | 3109 #endif  // V8_CRANKSHAFT_HYDROGEN_H_ | 
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