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Commite91600d

Browse files
author
Michael Meskes
committed
Changed lexer to no longer use the default rule.
Synced parser and keyword list.Fixed parsing of CONNECT statement so it accepts a C string again.
1 parent45436a4 commite91600d

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6 files changed

+55
-46
lines changed

6 files changed

+55
-46
lines changed

‎src/interfaces/ecpg/ChangeLog

Lines changed: 6 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -2095,5 +2095,11 @@ Mo Aug 14 10:39:59 CEST 2006
20952095
- Fixed broken newline on Windows.
20962096
- Fixed a nasty buffer underrun that only occured when using Informix
20972097
no_indicator NULL setting on timestamps and intervals.
2098+
2099+
Fr 18. Aug 17:32:54 CEST 2006
2100+
2101+
- Changed lexer to no longer use the default rule.
2102+
- Synced parser and keyword list.
2103+
- Fixed parsing of CONNECT statement so it accepts a C string again.
20982104
- Set ecpg library version to 5.2.
20992105
- Set ecpg version to 4.2.1.

‎src/interfaces/ecpg/preproc/keywords.c

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@
88
*
99
*
1010
* IDENTIFICATION
11-
* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/keywords.c,v 1.74 2006/08/02 13:43:23 meskes Exp $
11+
* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/keywords.c,v 1.75 2006/08/18 15:59:35 meskes Exp $
1212
*
1313
*-------------------------------------------------------------------------
1414
*/
@@ -277,6 +277,7 @@ static ScanKeyword ScanKeywords[] = {
277277
{"reset",RESET},
278278
{"restart",RESTART},
279279
{"restrict",RESTRICT},
280+
{"returning",RETURNING},
280281
{"returns",RETURNS},
281282
{"revoke",REVOKE},
282283
{"right",RIGHT},

‎src/interfaces/ecpg/preproc/pgc.l

Lines changed: 23 additions & 23 deletions
Original file line numberDiff line numberDiff line change
@@ -12,7 +12,7 @@
1212
*
1313
*
1414
* IDENTIFICATION
15-
* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/pgc.l,v 1.148 2006/08/02 13:43:23 meskes Exp $
15+
* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/pgc.l,v 1.149 2006/08/18 15:59:35 meskes Exp $
1616
*
1717
*-------------------------------------------------------------------------
1818
*/
@@ -79,7 +79,7 @@ static struct _if_value
7979

8080
%optionyylineno
8181

82-
%sCSQLincldefdef_identundef
82+
%xCSQLincldefdef_identundef
8383

8484
/*
8585
* OK, here is a short description of lex/flex rules behavior.
@@ -109,7 +109,6 @@ static struct _if_value
109109
%xxe
110110
%xxq
111111
%xxdolq
112-
%xxpre
113112
%xxcond
114113
%xxskip
115114

@@ -327,7 +326,7 @@ cppline{space}*#(.*\\{space})*.*{newline}
327326

328327
<SQL>{whitespace}{/* ignore */ }
329328

330-
{xcstart}{
329+
<C,SQL>{xcstart}{
331330
token_start = yytext;
332331
state_before = YYSTATE;
333332
xcdepth =0;
@@ -545,7 +544,7 @@ cppline{space}*#(.*\\{space})*.*{newline}
545544
* This is not an EOL marker.
546545
*/
547546
if (yytext[0] ==';' && struct_level ==0)
548-
BEGIN C;
547+
BEGIN(C);
549548
return yytext[0];
550549
}
551550
<SQL>{operator}{
@@ -720,12 +719,12 @@ cppline{space}*#(.*\\{space})*.*{newline}
720719
}
721720
}
722721
<SQL>{other}{return yytext[0]; }
723-
<C>{exec_sql}{ BEGINSQL;return SQL_START; }
722+
<C>{exec_sql}{BEGIN(SQL);return SQL_START; }
724723
<C>{informix_special}{
725724
/* are we simulating Informix? */
726725
if (INFORMIX_MODE)
727726
{
728-
BEGINSQL;
727+
BEGIN(SQL);
729728
return SQL_START;
730729
}
731730
else
@@ -896,7 +895,7 @@ cppline{space}*#(.*\\{space})*.*{newline}
896895

897896
BEGIN(C);
898897
}
899-
<undef>{other} {
898+
<undef>{other}|\n {
900899
mmerror(PARSE_ERROR, ET_FATAL,"Missing identifier in 'EXEC SQL UNDEF' command");
901900
yyterminate();
902901
}
@@ -1077,24 +1076,24 @@ cppline{space}*#(.*\\{space})*.*{newline}
10771076
}
10781077

10791078
if (stacked_if_value[preproc_tos].condition)
1080-
BEGIN C;
1079+
BEGIN(C);
10811080
else
10821081
BEGIN(xskip);
10831082
}
10841083

1085-
<xcond>{other}{
1086-
mmerror(PARSE_ERROR, ET_FATAL,"Missing identifier in 'EXEC SQL IFDEF' command");
1087-
yyterminate();
1088-
}
1084+
<xcond>{other}|\n{
1085+
mmerror(PARSE_ERROR, ET_FATAL,"Missing identifier in 'EXEC SQL IFDEF' command");
1086+
yyterminate();
1087+
}
10891088
<def_ident>{identifier} {
10901089
old =mm_strdup(yytext);
10911090
BEGIN(def);
10921091
startlit();
10931092
}
1094-
<def_ident>{other}{
1095-
mmerror(PARSE_ERROR, ET_FATAL,"Missing identifier in 'EXEC SQL DEFINE' command");
1096-
yyterminate();
1097-
}
1093+
<def_ident>{other}|\n{
1094+
mmerror(PARSE_ERROR, ET_FATAL,"Missing identifier in 'EXEC SQL DEFINE' command");
1095+
yyterminate();
1096+
}
10981097
<def>{space}*";"{
10991098
struct_defines *ptr, *this;
11001099

@@ -1124,10 +1123,10 @@ cppline{space}*#(.*\\{space})*.*{newline}
11241123
<incl>\<[^\>]+\>{space}*";"?{parse_include(); }
11251124
<incl>{dquote}{xdinside}{dquote}{space}*";"?{parse_include(); }
11261125
<incl>[^;\<\>\"]+";"{parse_include(); }
1127-
<incl>{other}{
1128-
mmerror(PARSE_ERROR, ET_FATAL,"Incorrect 'EXEC SQL INCLUDE' command");
1129-
yyterminate();
1130-
}
1126+
<incl>{other}|\n{
1127+
mmerror(PARSE_ERROR, ET_FATAL,"Incorrect 'EXEC SQL INCLUDE' command");
1128+
yyterminate();
1129+
}
11311130

11321131
<<EOF>>{
11331132
if (yy_buffer ==NULL)
@@ -1174,6 +1173,7 @@ cppline{space}*#(.*\\{space})*.*{newline}
11741173

11751174
}
11761175
}
1176+
<INITIAL>{other}|\n {mmerror(PARSE_ERROR, ET_FATAL,"Internal error: unreachable state, please inform pgsql-bugs@postgresql.org"); }
11771177
%%
11781178
void
11791179
lex_init(void)
@@ -1194,7 +1194,7 @@ lex_init(void)
11941194
}
11951195
startlit();
11961196

1197-
BEGIN C;
1197+
BEGIN(C);
11981198
}
11991199

12001200
staticvoid
@@ -1318,7 +1318,7 @@ parse_include(void)
13181318
yylineno =1;
13191319
output_line_number();
13201320

1321-
BEGIN C;
1321+
BEGIN(C);
13221322
}
13231323

13241324
staticvoid

‎src/interfaces/ecpg/preproc/preproc.y

Lines changed: 22 additions & 20 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/preproc.y,v 1.328 2006/08/08 11:51:24 meskes Exp $*/
1+
/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/preproc.y,v 1.329 2006/08/18 15:59:35 meskes Exp $*/
22

33
/* Copyright comment*/
44
%{
@@ -407,7 +407,7 @@ add_additional_variables(char *name, bool insert)
407407
QUOTE
408408

409409
READ REAL REASSIGN RECHECK REFERENCES REINDEX RELATIVE_P RELEASE RENAME
410-
REPEATABLE REPLACE RESET RESTART RESTRICT RETURNS REVOKE RIGHT
410+
REPEATABLE REPLACE RESET RESTART RESTRICTRETURNINGRETURNS REVOKE RIGHT
411411
ROLE ROLLBACK ROW ROWS RULE
412412

413413
SAVEPOINT SCHEMA SCROLL SECOND_P SECURITY SELECT SEQUENCE
@@ -497,7 +497,7 @@ add_additional_variables(char *name, bool insert)
497497
%type<str>columnListDeleteStmtUpdateStmtDeclareCursorStmt
498498
%type<str>NotifyStmtcolumnElemUnlistenStmtTableElement
499499
%type<str>copy_delimiterListenStmtCopyStmtcopy_file_nameopt_binary
500-
%type<str>FetchStmtfrom_inCreateOpClassStmt
500+
%type<str>FetchStmtfrom_inCreateOpClassStmtreturning_clause
501501
%type<str>ClosePortalStmtDropStmtVacuumStmtAnalyzeStmtopt_verbose
502502
%type<str>opt_fullfunc_argOptWithopt_freezealter_table_cmd
503503
%type<str>analyze_keywordopt_name_listExplainStmtindex_params
@@ -3090,8 +3090,8 @@ DeallocateStmt: DEALLOCATE name{ $$ = cat2_str(make_str("deallocate"), $2); }
30903090
*
30913091
*****************************************************************************/
30923092

3093-
InsertStmt:INSERTINTOqualified_nameinsert_rest
3094-
{$$ = cat_str(3, make_str("insert into"),$3,$4); }
3093+
InsertStmt:INSERTINTOqualified_nameinsert_restreturning_clause
3094+
{$$ = cat_str(4, make_str("insert into"),$3,$4,$5); }
30953095
;
30963096

30973097
insert_rest:
@@ -3113,6 +3113,9 @@ insert_column_item: ColId opt_indirection
31133113
{$$ = cat2_str($1,$2); }
31143114
;
31153115

3116+
returning_clause:RETURNINGtarget_list{$$ = cat2_str(make_str("returning"),$2); }
3117+
|/* EMPTY*/{$$ = EMPTY; }
3118+
;
31163119

31173120
/*****************************************************************************
31183121
*
@@ -3121,8 +3124,8 @@ insert_column_item: ColId opt_indirection
31213124
*
31223125
*****************************************************************************/
31233126

3124-
DeleteStmt:DELETE_PFROMrelation_expr_opt_aliasusing_clausewhere_clause
3125-
{$$ = cat_str(4, make_str("delete from"),$3,$4,$5); }
3127+
DeleteStmt:DELETE_PFROMrelation_expr_opt_aliasusing_clausewhere_clausereturning_clause
3128+
{$$ = cat_str(5, make_str("delete from"),$3,$4,$5,$6); }
31263129
;
31273130

31283131
using_clause:USINGfrom_list{ cat2_str(make_str("using"),$2); }
@@ -3164,7 +3167,8 @@ UpdateStmt: UPDATE relation_expr_opt_alias
31643167
SETupdate_target_list
31653168
from_clause
31663169
where_clause
3167-
{$$ = cat_str(6, make_str("update"),$2, make_str("set"),$4,$5,$6); }
3170+
returning_clause
3171+
{$$ = cat_str(7, make_str("update"),$2, make_str("set"),$4,$5,$6,$7); }
31683172
;
31693173

31703174

@@ -4615,8 +4619,12 @@ connection_target: database_name opt_server opt_port
46154619
/* old style: dbname[@server][:port]*/
46164620
if (strlen($2) >0 && *($2) !='@')
46174621
mmerror(PARSE_ERROR, ET_ERROR,"Expected '@', found '%s'", $2);
4618-
4619-
$$ = make3_str(make_str("\""), make3_str($1,$2,$3), make_str("\""));
4622+
4623+
/* C strings need to be handled differently*/
4624+
if ($1[0] =='\"')
4625+
$$ =$1;
4626+
else
4627+
$$ = make3_str(make_str("\""), make3_str($1,$2,$3), make_str("\""));
46204628
}
46214629
|db_prefix':'serveropt_port'/'database_nameopt_options
46224630
{
@@ -4634,13 +4642,6 @@ connection_target: database_name opt_server opt_port
46344642

46354643
$$ = make3_str(make3_str(make_str("\""),$1, make_str(":")),$3, make3_str(make3_str($4, make_str("/"),$6),$7, make_str("\"")));
46364644
}
4637-
|Sconst
4638-
{
4639-
if ($1[0] =='\"')
4640-
$$ =$1;
4641-
else
4642-
$$ = make3_str(make_str("\""),$1, make_str("\""));
4643-
}
46444645
|char_variable
46454646
{
46464647
$$ =$1;
@@ -6509,9 +6510,10 @@ reserved_keyword:
65096510
|OR{$$ = make_str("or"); }
65106511
|ORDER{$$ = make_str("order"); }
65116512
|PRIMARY{$$ = make_str("primary"); }
6512-
|REFERENCES{$$ = make_str("references"); }
6513+
|REFERENCES{$$ = make_str("references"); }
6514+
|RETURNING{$$ = make_str("returning"); }
65136515
|SELECT{$$ = make_str("select"); }
6514-
|SESSION_USER{$$ = make_str("session_user"); }
6516+
|SESSION_USER{$$ = make_str("session_user"); }
65156517
|SOME{$$ = make_str("some"); }
65166518
|SYMMETRIC{$$ = make_str("symmetric"); }
65176519
|TABLE{$$ = make_str("table"); }
@@ -6604,7 +6606,7 @@ cvariable:CVARIABLE
66046606
}
66056607
;
66066608
ident:IDENT{$$ =$1; }
6607-
|CSTRING{$$ = make3_str(make_str("\""),$1, make_str("\"")); }
6609+
|CSTRING{$$ = make3_str(make_str("\""),$1, make_str("\"")); }
66086610
;
66096611

66106612
quoted_ident_stringvar:name

‎src/interfaces/ecpg/test/connect/test3.pgc

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -34,7 +34,7 @@ exec sql end declare section;
3434
/* will close "second" */
3535
exec sql disconnect DEFAULT;
3636

37-
exec sql connect toREGRESSDB1 as second;
37+
exec sql connect to"connectdb" as second;
3838
exec sql disconnect ALL;
3939

4040
exec sql disconnect CURRENT;

‎src/interfaces/ecpg/test/expected/connect-test3.c

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -78,7 +78,7 @@ main(void)
7878
#line 35 "test3.pgc"
7979

8080

81-
{ECPGconnect(__LINE__,0,"regress1" ,NULL,NULL ,"second",0); }
81+
{ECPGconnect(__LINE__,0,"connectdb" ,NULL,NULL ,"second",0); }
8282
#line 37 "test3.pgc"
8383

8484
{ECPGdisconnect(__LINE__,"ALL");}

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