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Add %option nodefault to all our flex lexers. Fix a couple of rule gaps

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exposed thereby.  AFAICT these would not lead to any worse problems than
junk emitted on the backend's stdout, but we should have the option to
catch possible worse errors in future.
This commit is contained in:
Tom Lane
2004-02-24 22:06:32 +00:00
parent 58e705320e
commit fa96a5e15b
8 changed files with 16 additions and 7 deletions
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6
src/pl/plpgsql/src/scan.l
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@@ -4,7 +4,7 @@
* procedural language
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/pl/plpgsql/src/scan.l,v 1.30 2003/11/29 19:52:12 pgsql Exp $
* $PostgreSQL: pgsql/src/pl/plpgsql/src/scan.l,v 1.31 2004/02/24 22:06:32 tgl Exp $
*
* This software is copyrighted by Jan Wieck - Hamburg.
*
@@ -63,6 +63,7 @@ int plpgsql_SpaceScanned = 0;
%option 8bit
%option never-interactive
%option nodefault
%option nounput
%option noyywrap
@@ -272,6 +273,7 @@ dump { return O_DUMP; }
BEGIN IN_STRING;
}
<IN_STRING>\\. { }
<IN_STRING>\\ { /* can only happen with \ at EOF */ }
<IN_STRING>'' { }
<IN_STRING>' {
yyleng -= (yytext - start_charpos);
@@ -279,13 +281,13 @@ dump { return O_DUMP; }
BEGIN INITIAL;
return T_STRING;
}
<IN_STRING>[^'\\]+ { }
<IN_STRING><<EOF>> {
plpgsql_error_lineno = start_lineno;
ereport(ERROR,
(errcode(ERRCODE_DATATYPE_MISMATCH),
errmsg("unterminated string")));
}
<IN_STRING>[^'\\]* { }
/* ----------
* Any unmatched character is returned as is