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Unified Diff: src/ic/ic-state.h

Issue 1168093002: [strong] Implement strong mode restrictions on property access (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: rebase Created 5 years, 6 months ago
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Index: src/ic/ic-state.h
diff --git a/src/ic/ic-state.h b/src/ic/ic-state.h
index dbc504bf6d79f9f95d6a86e14eca0514198507f5..89e455deb786e35edc7034b5d5ebb4750261b2d9 100644
--- a/src/ic/ic-state.h
+++ b/src/ic/ic-state.h
@@ -201,11 +201,21 @@ class CompareICState {
class LoadICState final BASE_EMBEDDED {
+ private:
+ class ContextualModeBits : public BitField<ContextualMode, 0, 1> {};
+ class LanguageModeBits : public BitField<LanguageMode, 1, 2> {};
+ STATIC_ASSERT(static_cast<int>(NOT_CONTEXTUAL) == 0);
+ const ExtraICState state_;
+
public:
+ static const ExtraICState kStrongModeState = STRONG
+ << LanguageModeBits::kShift;
+
explicit LoadICState(ExtraICState extra_ic_state) : state_(extra_ic_state) {}
- explicit LoadICState(ContextualMode mode)
- : state_(ContextualModeBits::encode(mode)) {}
+ explicit LoadICState(ContextualMode mode, LanguageMode language_mode)
+ : state_(ContextualModeBits::encode(mode) |
+ LanguageModeBits::encode(language_mode)) {}
ExtraICState GetExtraICState() const { return state_; }
@@ -213,15 +223,17 @@ class LoadICState final BASE_EMBEDDED {
return ContextualModeBits::decode(state_);
}
+ LanguageMode language_mode() const {
+ return LanguageModeBits::decode(state_);
+ }
+
static ContextualMode GetContextualMode(ExtraICState state) {
return LoadICState(state).contextual_mode();
}
- private:
- class ContextualModeBits : public BitField<ContextualMode, 0, 1> {};
- STATIC_ASSERT(static_cast<int>(NOT_CONTEXTUAL) == 0);
-
- const ExtraICState state_;
+ static LanguageMode GetLanguageMode(ExtraICState state) {
+ return LoadICState(state).language_mode();
+ }
};
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