| Index: src/scopeinfo.h
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| diff --git a/src/scopeinfo.h b/src/scopeinfo.h
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| deleted file mode 100644
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| index 2afc667c30e7023aac9fa7254af59817a42e1c14..0000000000000000000000000000000000000000
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| --- a/src/scopeinfo.h
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| +++ /dev/null
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| @@ -1,175 +0,0 @@
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| -// Copyright 2011 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_SCOPEINFO_H_
|
| -#define V8_SCOPEINFO_H_
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| -
|
| -#include "src/allocation.h"
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| -#include "src/modules.h"
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| -#include "src/variables.h"
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| -
|
| -namespace v8 {
|
| -namespace internal {
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| -
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| -// Cache for mapping (data, property name) into context slot index.
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| -// The cache contains both positive and negative results.
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| -// Slot index equals -1 means the property is absent.
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| -// Cleared at startup and prior to mark sweep collection.
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| -class ContextSlotCache {
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| - public:
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| - // Lookup context slot index for (data, name).
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| - // If absent, kNotFound is returned.
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| - int Lookup(Object* data, String* name, VariableMode* mode,
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| - InitializationFlag* init_flag,
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| - MaybeAssignedFlag* maybe_assigned_flag);
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| -
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| - // Update an element in the cache.
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| - void Update(Handle<Object> data, Handle<String> name, VariableMode mode,
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| - InitializationFlag init_flag,
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| - MaybeAssignedFlag maybe_assigned_flag, int slot_index);
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| -
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| - // Clear the cache.
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| - void Clear();
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| -
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| - static const int kNotFound = -2;
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| -
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| - private:
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| - ContextSlotCache() {
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| - for (int i = 0; i < kLength; ++i) {
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| - keys_[i].data = NULL;
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| - keys_[i].name = NULL;
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| - values_[i] = kNotFound;
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| - }
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| - }
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| -
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| - inline static int Hash(Object* data, String* name);
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| -
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| -#ifdef DEBUG
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| - void ValidateEntry(Handle<Object> data, Handle<String> name,
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| - VariableMode mode, InitializationFlag init_flag,
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| - MaybeAssignedFlag maybe_assigned_flag, int slot_index);
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| -#endif
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| -
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| - static const int kLength = 256;
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| - struct Key {
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| - Object* data;
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| - String* name;
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| - };
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| -
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| - struct Value {
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| - Value(VariableMode mode, InitializationFlag init_flag,
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| - MaybeAssignedFlag maybe_assigned_flag, int index) {
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| - DCHECK(ModeField::is_valid(mode));
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| - DCHECK(InitField::is_valid(init_flag));
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| - DCHECK(MaybeAssignedField::is_valid(maybe_assigned_flag));
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| - DCHECK(IndexField::is_valid(index));
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| - value_ = ModeField::encode(mode) | IndexField::encode(index) |
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| - InitField::encode(init_flag) |
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| - MaybeAssignedField::encode(maybe_assigned_flag);
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| - DCHECK(mode == this->mode());
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| - DCHECK(init_flag == this->initialization_flag());
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| - DCHECK(maybe_assigned_flag == this->maybe_assigned_flag());
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| - DCHECK(index == this->index());
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| - }
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| -
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| - explicit inline Value(uint32_t value) : value_(value) {}
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| -
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| - uint32_t raw() { return value_; }
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| -
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| - VariableMode mode() { return ModeField::decode(value_); }
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| -
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| - InitializationFlag initialization_flag() {
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| - return InitField::decode(value_);
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| - }
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| -
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| - MaybeAssignedFlag maybe_assigned_flag() {
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| - return MaybeAssignedField::decode(value_);
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| - }
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| -
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| - int index() { return IndexField::decode(value_); }
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| -
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| - // Bit fields in value_ (type, shift, size). Must be public so the
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| - // constants can be embedded in generated code.
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| - class ModeField : public BitField<VariableMode, 0, 4> {};
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| - class InitField : public BitField<InitializationFlag, 4, 1> {};
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| - class MaybeAssignedField : public BitField<MaybeAssignedFlag, 5, 1> {};
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| - class IndexField : public BitField<int, 6, 32 - 6> {};
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| -
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| - private:
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| - uint32_t value_;
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| - };
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| -
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| - Key keys_[kLength];
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| - uint32_t values_[kLength];
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| -
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| - friend class Isolate;
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| - DISALLOW_COPY_AND_ASSIGN(ContextSlotCache);
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| -};
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| -
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| -
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| -
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| -
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| -//---------------------------------------------------------------------------
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| -// Auxiliary class used for the description of module instances.
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| -// Used by Runtime_DeclareModules.
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| -
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| -class ModuleInfo: public FixedArray {
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| - public:
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| - static ModuleInfo* cast(Object* description) {
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| - return static_cast<ModuleInfo*>(FixedArray::cast(description));
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| - }
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| -
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| - static Handle<ModuleInfo> Create(Isolate* isolate,
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| - ModuleDescriptor* descriptor, Scope* scope);
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| -
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| - // Index of module's context in host context.
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| - int host_index() { return Smi::cast(get(HOST_OFFSET))->value(); }
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| -
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| - // Name, mode, and index of the i-th export, respectively.
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| - // For value exports, the index is the slot of the value in the module
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| - // context, for exported modules it is the slot index of the
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| - // referred module's context in the host context.
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| - // TODO(rossberg): This format cannot yet handle exports of modules declared
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| - // in earlier scripts.
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| - String* name(int i) { return String::cast(get(name_offset(i))); }
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| - VariableMode mode(int i) {
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| - return static_cast<VariableMode>(Smi::cast(get(mode_offset(i)))->value());
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| - }
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| - int index(int i) { return Smi::cast(get(index_offset(i)))->value(); }
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| -
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| - int length() { return (FixedArray::length() - HEADER_SIZE) / ITEM_SIZE; }
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| -
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| - private:
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| - // The internal format is: Index, (Name, VariableMode, Index)*
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| - enum {
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| - HOST_OFFSET,
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| - NAME_OFFSET,
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| - MODE_OFFSET,
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| - INDEX_OFFSET,
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| - HEADER_SIZE = NAME_OFFSET,
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| - ITEM_SIZE = INDEX_OFFSET - NAME_OFFSET + 1
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| - };
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| - inline int name_offset(int i) { return NAME_OFFSET + i * ITEM_SIZE; }
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| - inline int mode_offset(int i) { return MODE_OFFSET + i * ITEM_SIZE; }
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| - inline int index_offset(int i) { return INDEX_OFFSET + i * ITEM_SIZE; }
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| -
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| - static Handle<ModuleInfo> Allocate(Isolate* isolate, int length) {
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| - return Handle<ModuleInfo>::cast(
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| - isolate->factory()->NewFixedArray(HEADER_SIZE + ITEM_SIZE * length));
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| - }
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| - void set_host_index(int index) { set(HOST_OFFSET, Smi::FromInt(index)); }
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| - void set_name(int i, String* name) { set(name_offset(i), name); }
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| - void set_mode(int i, VariableMode mode) {
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| - set(mode_offset(i), Smi::FromInt(mode));
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| - }
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| - void set_index(int i, int index) {
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| - set(index_offset(i), Smi::FromInt(index));
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| - }
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| -};
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| -
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| -
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| -} // namespace internal
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| -} // namespace v8
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| -
|
| -#endif // V8_SCOPEINFO_H_
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|
|