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remove variadics, default args etc, from tuple patterns, and simplify

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the Pattern::clone interface now that the complexity isn't needed.
This also removes support for serializing this state.
This commit is contained in:
Chris Lattner
2015-12-31 20:11:15 -08:00
parent 78be05921d
commit cc3f173040
15 changed files with 51 additions and 267 deletions
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17
lib/Serialization/Deserialization.cpp
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@@ -358,25 +358,12 @@ Pattern *ModuleFile::maybeReadPattern() {
// FIXME: Add something for this record or remove it.
IdentifierID labelID;
uint8_t rawDefaultArg;
bool hasEllipsis;
TuplePatternEltLayout::readRecord(scratch, labelID, hasEllipsis,
rawDefaultArg);
TuplePatternEltLayout::readRecord(scratch, labelID);
Identifier label = getIdentifier(labelID);
Pattern *subPattern = maybeReadPattern();
assert(subPattern);
// Decode the default argument kind.
// FIXME: Default argument expression, if available.
swift::DefaultArgumentKind defaultArgKind
= swift::DefaultArgumentKind::None;
if (auto defaultArg = getActualDefaultArgKind(rawDefaultArg))
defaultArgKind = *defaultArg;
elements.push_back(TuplePatternElt(label, SourceLoc(), subPattern,
hasEllipsis, SourceLoc(),
nullptr, defaultArgKind));
elements.push_back(TuplePatternElt(label, SourceLoc(), subPattern));
}
auto result = TuplePattern::create(getContext(), SourceLoc(),