Harlan e89e7f58b2 [Parse] [Syntax] Simplify TupleTypeRepr parsing and add attributes for Syntax (#8298) ...

* Simplify TupleTypeRepr parsing

This patch introduces a TupleTypeReprElement struct that holds the
locations for all relevant bits of tuple elements. It removes the
NameLoc and UnderscoreLoc arrays from TupleTypeReprElement in favor of
holding each of these on TupleTypeReprElement. These extra bits of info
are required for full-fidelity representation in the Syntax library.

* Remove TupleTypeReprBitfields and move EllipsisLoc out of TrailingObjects

* Update users of TupleTypeRepr

* Don't resize the elts if we're going to push_back

* getType -> getElementType

* Move ellipsis back into TrailingObjects.

* Move NumElements into TupleTypeReprBitfields

2017-06-27 10:54:47 -07:00

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