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Bug 1343481 - Part 3: Add JSOP_AWAIT and rename {yieldIndex,yieldOffset} to {yieldAndAwaitIndex,yieldAndAwaitOffset}.

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Tag #1287
This commit is contained in:
Gaming4JC 2019-12-01 19:14:11 -05:00 • committed by Roy Tam
commit a6872d9ea3
16 changed files with 142 additions and 110 deletions
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17
js/src/jsscript.h
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@ -156,7 +156,7 @@ struct ScopeNoteArray {
uint32_t length; // Count of indexed try notes.
};
class YieldOffsetArray {
class YieldAndAwaitOffsetArray {
friend bool
detail::CopyScript(JSContext* cx, HandleScript src, HandleScript dst,
MutableHandle<GCVector<Scope*>> scopes);
@ -1699,7 +1699,9 @@ class JSScript : public js::gc::TenuredCell
bool hasObjects() const { return hasArray(OBJECTS); }
bool hasTrynotes() const { return hasArray(TRYNOTES); }
bool hasScopeNotes() const { return hasArray(SCOPENOTES); }
bool hasYieldOffsets() const { return isStarGenerator() || isLegacyGenerator() || isAsync(); }
bool hasYieldAndAwaitOffsets() const {
return isStarGenerator() || isLegacyGenerator() || isAsync();
}
#define OFF(fooOff, hasFoo, t) (fooOff() + (hasFoo() ? sizeof(t) : 0))
@ -1708,7 +1710,9 @@ class JSScript : public js::gc::TenuredCell
size_t objectsOffset() const { return OFF(constsOffset, hasConsts, js::ConstArray); }
size_t trynotesOffset() const { return OFF(objectsOffset, hasObjects, js::ObjectArray); }
size_t scopeNotesOffset() const { return OFF(trynotesOffset, hasTrynotes, js::TryNoteArray); }
size_t yieldOffsetsOffset() const { return OFF(scopeNotesOffset, hasScopeNotes, js::ScopeNoteArray); }
size_t yieldAndAwaitOffsetsOffset() const {
return OFF(scopeNotesOffset, hasScopeNotes, js::ScopeNoteArray);
}
#undef OFF
@ -1738,9 +1742,10 @@ class JSScript : public js::gc::TenuredCell
return reinterpret_cast<js::ScopeNoteArray*>(data + scopeNotesOffset());
}
js::YieldOffsetArray& yieldOffsets() {
MOZ_ASSERT(hasYieldOffsets());
return *reinterpret_cast<js::YieldOffsetArray*>(data + yieldOffsetsOffset());
js::YieldAndAwaitOffsetArray& yieldAndAwaitOffsets() {
MOZ_ASSERT(hasYieldAndAwaitOffsets());
return *reinterpret_cast<js::YieldAndAwaitOffsetArray*>(data +
yieldAndAwaitOffsetsOffset());
}
bool hasLoops();