The structure is
- OmpBeginDirective (aka OmpDirectiveSpecification)
- Block
- optional<OmpEndDirective> (aka optional<OmpDirectiveSpecification>)
The OmpBeginDirective and OmpEndDirective are effectively different
names for OmpDirectiveSpecification. They exist to allow the semantic
analyses to distinguish between the beginning and the ending of a block
construct without maintaining additional context.
The actual changes are in the parser: parse-tree.h and openmp-parser.cpp
in particular. The rest is simply changing the way the directive/clause
information is accessed (typically for the simpler).
All standalone and block constructs now use OmpDirectiveSpecification to
store the directive/clause information.
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