pgsql: Return yyparse() result not via global variable

Return yyparse() result not via global variable

Instead of passing the parse result from yyparse() via a global
variable, pass it via a function output argument.

This complements earlier work to make the parsers reentrant.

Discussion: Discussion: https://www.postgresql.org/message-id/flat/eb6faeac-2a8a-4b69-9189-c33c520e5b7b(at)eisentraut(dot)org

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/473a575e05979b4dbb28b3f2544f4ec8f184ce65

Modified Files
--------------
src/backend/nls.mk | 4 +-
src/backend/replication/repl_gram.y | 7 +--
src/backend/replication/repl_scanner.l | 10 +++-
src/backend/replication/syncrep.c | 8 +--
src/backend/replication/syncrep_gram.y | 9 ++-
src/backend/replication/syncrep_scanner.l | 22 +++++++-
src/backend/replication/walsender.c | 4 +-
src/bin/pgbench/exprparse.y | 5 +-
src/bin/pgbench/exprscan.l | 6 +-
src/bin/pgbench/pgbench.c | 4 +-
src/bin/pgbench/pgbench.h | 6 +-
src/include/replication/syncrep.h | 10 +---
src/include/replication/walsender_private.h | 6 +-
src/pl/plpgsql/src/nls.mk | 2 +-
src/pl/plpgsql/src/pl_comp.c | 8 +--
src/pl/plpgsql/src/pl_gram.y | 85 +++++++++++++++--------------
src/pl/plpgsql/src/pl_scanner.c | 5 +-
src/pl/plpgsql/src/plpgsql.h | 6 +-
18 files changed, 106 insertions(+), 101 deletions(-)