Adjust types in SourcePosition. int -> uint32_t

src/compiler.h

 // 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.
 
 #ifndef V8_COMPILER_H_
 #define V8_COMPILER_H_
 
 #include "src/allocation.h"
 #include "src/ast.h"
 #include "src/bailout-reason.h"
@@ skipping 23 matching lines @@
 // which hydrogen values originated.
 // When FLAG_track_hydrogen_positions is set this object encodes the
 // identifier of the inlining and absolute offset from the start of the
 // inlined function.
 // When the flag is not set we simply track absolute offset from the
 // script start.
 class SourcePosition {
  public:
   SourcePosition(const SourcePosition& other) : value_(other.value_) {}
 
-  static SourcePosition Unknown() {
-    return SourcePosition(RelocInfo::kNoPosition);
-  }
+  static SourcePosition Unknown() { return SourcePosition(kNoPosition); }
 
-  bool IsUnknown() const { return value_ == RelocInfo::kNoPosition; }
+  bool IsUnknown() const { return value_ == kNoPosition; }
 
-  int position() const { return PositionField::decode(value_); }
-  void set_position(int position) {
+  uint32_t position() const { return PositionField::decode(value_); }
+  void set_position(uint32_t position) {
     if (FLAG_hydrogen_track_positions) {
-      value_ = static_cast<int>(PositionField::update(value_, position));
+      value_ = static_cast<uint32_t>(PositionField::update(value_, position));
     } else {
       value_ = position;
     }
   }
 
-  int inlining_id() const { return InliningIdField::decode(value_); }
-  void set_inlining_id(int inlining_id) {
+  uint32_t inlining_id() const { return InliningIdField::decode(value_); }
+  void set_inlining_id(uint32_t inlining_id) {
     if (FLAG_hydrogen_track_positions) {
-      value_ = static_cast<int>(InliningIdField::update(value_, inlining_id));
+      value_ =
+          static_cast<uint32_t>(InliningIdField::update(value_, inlining_id));
     }
   }
 
-  int raw() const { return value_; }
+  uint32_t raw() const { return value_; }
 
  private:
-  typedef BitField<int, 0, 9> InliningIdField;
+  static const uint32_t kNoPosition =
+      static_cast<uint32_t>(RelocInfo::kNoPosition);
+  typedef BitField<uint32_t, 0, 9> InliningIdField;
 
   // Offset from the start of the inlined function.
-  typedef BitField<int, 9, 23> PositionField;
+  typedef BitField<uint32_t, 9, 23> PositionField;
 
-  explicit SourcePosition(int value) : value_(value) {}
+  explicit SourcePosition(uint32_t value) : value_(value) {}
 
   friend class HPositionInfo;
   friend class LCodeGenBase;
 
   // If FLAG_hydrogen_track_positions is set contains bitfields InliningIdField
   // and PositionField.
   // Otherwise contains absolute offset from the script start.
-  int value_;
+  uint32_t value_;
 };
 
 
 std::ostream& operator<<(std::ostream& os, const SourcePosition& p);
 
 
 class InlinedFunctionInfo {
  public:
   explicit InlinedFunctionInfo(Handle<SharedFunctionInfo> shared)
       : shared_(shared), start_position_(shared->start_position()) {}
@@ skipping 764 matching lines @@
   Zone zone_;
   size_t info_zone_start_allocation_size_;
   base::ElapsedTimer timer_;
 
   DISALLOW_COPY_AND_ASSIGN(CompilationPhase);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_COMPILER_H_