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Code

Allow comment-only lines, and ;;; lines too.

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This commit is contained in:
Bruce Momjian 1999-10-05 18:14:31 +00:00
parent d71ef47a70
commit 00c85b44b8
1 changed files with 19 additions and 8 deletions
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27
src/backend/parser/gram.y
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@ -10,7 +10,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.106 1999/10/03 23:55:30 tgl Exp $ * $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.107 1999/10/05 18:14:31 momjian Exp $
* *
* HISTORY * HISTORY
* AUTHOR DATE MAJOR EVENT * AUTHOR DATE MAJOR EVENT
@ -365,20 +365,29 @@ Oid param_type(int t); /* used in parse_expr.c */
%left UNION INTERSECT EXCEPT %left UNION INTERSECT EXCEPT
%% %%
stmtblock: stmtmulti opt_semi /*
* Handle comment-only lines, and ;; SELECT * FROM pg_class ;;;
* psql already handles such cases, but other interfaces don't.
* bjm 1999/10/05
*/
stmtblock: stmtmulti
{ parsetree = $1; } { parsetree = $1; }
; ;
stmtmulti: stmtmulti ';' stmt stmtmulti: stmtmulti ';' stmt
{ $$ = lappend($1, $3); } { if ($3 != (Node *)NIL)
$$ = lappend($1, $3);
else
$$ = $1;
}
| stmt | stmt
{ $$ = lcons($1,NIL); } { if ($1 != (Node *)NIL)
$$ = lcons($1,NIL);
else
$$ = (Node *)NIL;
}
; ;
opt_semi: ';'
| /*EMPTY*/
;
stmt : AddAttrStmt stmt : AddAttrStmt
| AlterUserStmt | AlterUserStmt
| ClosePortalStmt | ClosePortalStmt
@ -423,6 +432,8 @@ stmt : AddAttrStmt
| VariableShowStmt | VariableShowStmt
| VariableResetStmt | VariableResetStmt
| ConstraintsSetStmt | ConstraintsSetStmt
| /*EMPTY*/
{ $$ = (Node *)NIL; }
; ;
/***************************************************************************** /*****************************************************************************