88 *
99 *
1010 * IDENTIFICATION
11- * $Header: /cvsroot/pgsql/src/backend/parser/scan.l,v 1.13 1997/06/29 17:29:14 momjian Exp $
11+ * $Header: /cvsroot/pgsql/src/backend/parser/scan.l,v 1.14 1997/08/20 01:50:06 vadim Exp $
1212 *
1313 *-------------------------------------------------------------------------
1414*/
3636extern char *parseString;
3737extern char *parseCh;
3838
39+ int CurScanPosition (void );
40+ int DefaultStartPosition;
41+ int CheckStartPosition;
42+
3943/* some versions of lex define this as a macro*/
4044#if defined(yywrap)
4145#undef yywrap
@@ -173,6 +177,10 @@ other.
173177
174178keyword =ScanKeywordLookup ((char *)yytext);
175179if (keyword !=NULL ) {
180+ if ( keyword->value == DEFAULT )
181+ DefaultStartPosition =CurScanPosition () + yyleng +1 ;
182+ else if ( keyword->value == CHECK )
183+ CheckStartPosition =CurScanPosition () + yyleng +1 ;
176184return (keyword->value );
177185}else {
178186yylval.str =pstrdup ((char *)yytext);
@@ -240,6 +248,12 @@ unput(char c)
240248*--parseCh = c;
241249 }
242250}
251+
252+ int
253+ CurScanPosition (void )
254+ {
255+ return (parseCh - parseString - yyleng -1 );
256+ }
243257#endif /* !defined(FLEX_SCANNER) */
244258
245259#ifdef FLEX_SCANNER
@@ -265,16 +279,11 @@ myinput(char* buf, int max)
265279 }
266280}
267281
268- #ifdef NOT_USED
269- char *
270- CurScan (void )
282+ int
283+ CurScanPosition (void )
271284{
272- /*
273- return (InputFrag ? InputFrag : parseCh) +
274- (yy_c_buf_p - &yy_current_buffer->yy_ch_buf[yy_n_chars]);
275- */
285+ return (yy_c_buf_p - yy_current_buffer->yy_ch_buf - yyleng);
276286}
277- #endif
278287
279288#endif /* FLEX_SCANNER */
280289