It seems the YYLLOC_DEFAULT macro recommended by the Bison 1.875 manual

tglsfdc · tglsfdc · commit 1349839c3c97 · 2006-03-14T23:03:20.000Z
just doesn't work with Bison 2.0 ... fix it ...
diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y
@@ -11,7 +11,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.535 2006/03/14 22:48:20 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.536 2006/03/14 23:03:20 tgl Exp $
  *
  * HISTORY
  *	  AUTHOR			DATE			MAJOR EVENT
@@ -63,7 +63,12 @@
 
 /* Location tracking support --- simpler than bison's default */
 #define YYLLOC_DEFAULT(Current, Rhs, N) \
-	Current = Rhs[1];
+	do { \
+		if (N) \
+			(Current) = (Rhs)[1]; \
+		else \
+			(Current) = (Rhs)[0]; \
+	} while (0)
 
 extern List *parsetree;			/* final parse result is delivered here */
 

Original file line number	Diff line number	Diff line change
`@@ -11,7 +11,7 @@`
`11`	`11`	`*`
`12`	`12`	`*`
`13`	`13`	`* IDENTIFICATION`
`14`		`- * $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.535 2006/03/14 22:48:20 tgl Exp $`
	`14`	`+ * $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.536 2006/03/14 23:03:20 tgl Exp $`
`15`	`15`	`*`
`16`	`16`	`* HISTORY`
`17`	`17`	`* AUTHOR DATE MAJOR EVENT`
`@@ -63,7 +63,12 @@`
`63`	`63`
`64`	`64`	`/* Location tracking support --- simpler than bison's default */`
`65`	`65`	`#define YYLLOC_DEFAULT(Current, Rhs, N) \`
`66`		`- Current = Rhs[1];`
	`66`	`+ do { \`
	`67`	`+ if (N) \`
	`68`	`+ (Current) = (Rhs)[1]; \`
	`69`	`+ else \`
	`70`	`+ (Current) = (Rhs)[0]; \`
	`71`	`+ } while (0)`
`67`	`72`
`68`	`73`	`extern List parsetree; / final parse result is delivered here */`
`69`	`74`