Adding upstream version 16.2.upstream/16.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 38 insertions, 0 deletions

diff --git a/src/interfaces/ecpg/preproc/keywords.c b/src/interfaces/ecpg/preproc/keywords.c
new file mode 100644
index 0000000..e7956ab
--- /dev/null
+++ b/src/interfaces/ecpg/preproc/keywords.c
@@ -0,0 +1,38 @@
+/*-------------------------------------------------------------------------
+ *
+ * keywords.c
+ *	  lexical token lookup for key words in PostgreSQL
+ *
+ *
+ * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ *
+ * IDENTIFICATION
+ *	  src/interfaces/ecpg/preproc/keywords.c
+ *
+ *-------------------------------------------------------------------------
+ */
+#include "postgres_fe.h"
+
+/*
+ * This is much trickier than it looks.  We are #include'ing kwlist.h
+ * but the token numbers that go into the table are from preproc.h
+ * not the backend's gram.h.  Therefore this token table will match
+ * the ScanKeywords table supplied from common/keywords.c, including all
+ * keywords known to the backend, but it will supply the token numbers used
+ * by ecpg's grammar, which is what we need.  The ecpg grammar must
+ * define all the same token names the backend does, else we'll get
+ * undefined-symbol failures in this compile.
+ */
+
+#include "preproc_extern.h"
+#include "preproc.h"
+
+#define PG_KEYWORD(kwname, value, category, collabel) value,
+
+const uint16 SQLScanKeywordTokens[] = {
+#include "parser/kwlist.h"
+};
+
+#undef PG_KEYWORD