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Commit 03ad5da

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author
Michael Meskes
committed
- Only use typedefs inside their scope.
- Variables that are out of scope, were not removed all the time. - Make a varchar NULL set everything to 0 when not using indicators. - Synced parser.
1 parent 4eb5f0a commit 03ad5da

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10 files changed

+116
-34
lines changed

10 files changed

+116
-34
lines changed

‎src/interfaces/ecpg/ChangeLog‎

Lines changed: 7 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1814,6 +1814,13 @@ Thu Jun 17 13:50:06 CEST 2004
18141814
Sun Jun 20 12:44:01 CEST 2004
18151815

18161816
- Synced parser and keyword list.
1817+
1818+
Sun Jun 27 13:50:58 CEST 2004
1819+
1820+
- Only use typedefs inside their scope.
1821+
- Variables that are out of scope, were not removed all the time.
1822+
- Make a varchar NULL set everything to 0 when not using indicators.
1823+
- Synced parser.
18171824
- Set pgtypes library version to 1.2.
18181825
- Set ecpg version to 3.2.0.
18191826
- Set compat library version to 1.2.

‎src/interfaces/ecpg/compatlib/informix.c‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1002,12 +1002,12 @@ ECPG_informix_get_var(int number)
10021002
int
10031003
rsetnull(int t, char *ptr)
10041004
{
1005-
ECPGset_informix_null(t, ptr);
1005+
ECPGset_noind_null(t, ptr);
10061006
return 0;
10071007
}
10081008

10091009
int
10101010
risnull(int t, char *ptr)
10111011
{
1012-
return (ECPGis_informix_null(t, ptr));
1012+
return (ECPGis_noind_null(t, ptr));
10131013
}

‎src/interfaces/ecpg/ecpglib/data.c‎

Lines changed: 9 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/data.c,v 1.23 2004/05/05 15:03:04 meskes Exp $ */
1+
/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/data.c,v 1.24 2004/06/27 12:28:39 meskes Exp $ */
22

33
#define POSTGRES_ECPG_INTERNAL
44
#include "postgres_fe.h"
@@ -76,7 +76,10 @@ ECPGget_data(const PGresult *results, int act_tuple, int act_field, int lineno,
7676
* and 0 if not
7777
*/
7878
if (PQgetisnull(results, act_tuple, act_field))
79+
{
80+
printf("MM NULL\n");
7981
value_for_indicator = -1;
82+
}
8083

8184
switch (ind_type)
8285
{
@@ -107,7 +110,7 @@ ECPGget_data(const PGresult *results, int act_tuple, int act_field, int lineno,
107110
* Informix has an additional way to specify NULLs
108111
* note that this uses special values to denote NULL
109112
*/
110-
ECPGset_informix_null(type, var + offset * act_tuple);
113+
ECPGset_noind_null(type, var + offset * act_tuple);
111114
}
112115
else
113116
{
@@ -411,7 +414,7 @@ ECPGget_data(const PGresult *results, int act_tuple, int act_field, int lineno,
411414
if (INFORMIX_MODE(compat))
412415
{
413416
/* Informix wants its own NULL value here instead of an error */
414-
ECPGset_informix_null(ECPGt_numeric, nres);
417+
ECPGset_noind_null(ECPGt_numeric, nres);
415418
}
416419
else
417420
{
@@ -454,7 +457,7 @@ ECPGget_data(const PGresult *results, int act_tuple, int act_field, int lineno,
454457
if (INFORMIX_MODE(compat))
455458
{
456459
/* Informix wants its own NULL value here instead of an error */
457-
ECPGset_informix_null(ECPGt_interval, ires);
460+
ECPGset_noind_null(ECPGt_interval, ires);
458461
}
459462
else
460463
{
@@ -493,7 +496,7 @@ ECPGget_data(const PGresult *results, int act_tuple, int act_field, int lineno,
493496
if (INFORMIX_MODE(compat))
494497
{
495498
/* Informix wants its own NULL value here instead of an error */
496-
ECPGset_informix_null(ECPGt_date, &ddres);
499+
ECPGset_noind_null(ECPGt_date, &ddres);
497500
}
498501
else
499502
{
@@ -531,7 +534,7 @@ ECPGget_data(const PGresult *results, int act_tuple, int act_field, int lineno,
531534
if (INFORMIX_MODE(compat))
532535
{
533536
/* Informix wants its own NULL value here instead of an error */
534-
ECPGset_informix_null(ECPGt_timestamp, &tres);
537+
ECPGset_noind_null(ECPGt_timestamp, &tres);
535538
}
536539
else
537540
{

‎src/interfaces/ecpg/ecpglib/execute.c‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/execute.c,v 1.33 2004/05/05 15:03:04 meskes Exp $ */
1+
/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/execute.c,v 1.34 2004/06/27 12:28:40 meskes Exp $ */
22

33
/*
44
* The aim is to get a simpler inteface to the database routines.
@@ -532,7 +532,7 @@ ECPGstore_input(const struct statement * stmt, const struct variable * var,
532532
case ECPGt_NO_INDICATOR:
533533
if (stmt->force_indicator == false)
534534
{
535-
if (ECPGis_informix_null(var->type, var->value))
535+
if (ECPGis_noind_null(var->type, var->value))
536536
*tobeinserted_p = "null";
537537
}
538538
break;

‎src/interfaces/ecpg/ecpglib/misc.c‎

Lines changed: 4 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/misc.c,v 1.20 2004/03/14 14:47:33 momjian Exp $ */
1+
/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/misc.c,v 1.21 2004/06/27 12:28:40 meskes Exp $ */
22

33
#define POSTGRES_ECPG_INTERNAL
44
#include "postgres_fe.h"
@@ -266,7 +266,7 @@ ECPGlog(const char *format,...)
266266
}
267267

268268
void
269-
ECPGset_informix_null(enum ECPGttype type, void *ptr)
269+
ECPGset_noind_null(enum ECPGttype type, void *ptr)
270270
{
271271
switch (type)
272272
{
@@ -301,6 +301,7 @@ ECPGset_informix_null(enum ECPGttype type, void *ptr)
301301
break;
302302
case ECPGt_varchar:
303303
*(((struct ECPGgeneric_varchar *) ptr)->arr) = 0x00;
304+
((struct ECPGgeneric_varchar *) ptr)->len = 0;
304305
break;
305306
case ECPGt_decimal:
306307
memset((char *) ptr, 0, sizeof(decimal));
@@ -331,7 +332,7 @@ _check(unsigned char *ptr, int length)
331332
}
332333

333334
bool
334-
ECPGis_informix_null(enum ECPGttype type, void *ptr)
335+
ECPGis_noind_null(enum ECPGttype type, void *ptr)
335336
{
336337
switch (type)
337338
{

‎src/interfaces/ecpg/include/ecpglib.h‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -77,8 +77,8 @@ void ECPGraise_backend(int line, PGresult *result, PGconn *conn, int compat);
7777
bool ECPGget_desc_header(int, char *, int *);
7878
bool ECPGget_desc(int, char *, int,...);
7979

80-
void ECPGset_informix_null(enum ECPGttype, void *);
81-
bool ECPGis_informix_null(enum ECPGttype, void *);
80+
void ECPGset_noind_null(enum ECPGttype, void *);
81+
bool ECPGis_noind_null(enum ECPGttype, void *);
8282
bool ECPGdescribe(int, bool, const char *,...);
8383

8484
/* dynamic result allocation */

‎src/interfaces/ecpg/preproc/extern.h‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -82,6 +82,7 @@ extern struct typedefs *get_typedef(char *);
8282
extern void adjust_array(enum ECPGttype, char **, char **, char *, char *, int, bool);
8383
extern void reset_variables(void);
8484
extern void check_indicator(struct ECPGtype *);
85+
extern void remove_typedefs(int);
8586
extern void remove_variables(int);
8687
extern struct variable *new_variable(const char *, struct ECPGtype *, int);
8788
extern ScanKeyword *ScanKeywordLookup(char *text);

‎src/interfaces/ecpg/preproc/preproc.y‎

Lines changed: 37 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/preproc.y,v 1.288 2004/06/20 10:45:47 meskes Exp $ */
1+
/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/preproc.y,v 1.289 2004/06/27 12:28:42 meskes Exp $ */
22

33
/* Copyright comment */
44
%{
@@ -542,7 +542,7 @@ add_additional_variables(char *name, bool insert)
542542
%type <str> inf_val_list inf_col_list using_descriptor into_descriptor
543543
%type <str> ecpg_into_using prepared_name struct_union_type_with_symbol
544544
%type <str> ECPGunreserved ECPGunreserved_interval cvariable
545-
%type <str> AlterDbOwnerStmt OptTableSpaceOwner CreateTableSpaceStmt
545+
%type <str> AlterOwnerStmt OptTableSpaceOwner CreateTableSpaceStmt
546546
%type <str> DropTableSpaceStmt indirection indirection_el
547547

548548
%type <struct_union> s_struct_union_symbol
@@ -578,7 +578,7 @@ statement: ecpgstart opt_at stmt ';' { connection = NULL; }
578578
| c_thing { fprintf(yyout, "%s", $1); free($1); }
579579
| CPP_LINE { fprintf(yyout, "%s", $1); free($1); }
580580
| '{' { braces_open++; fputs("{", yyout); }
581-
| '}' { remove_variables(braces_open--); fputs("}", yyout); }
581+
| '}' { remove_typedefs(braces_open); remove_variables(braces_open--); fputs("}", yyout); }
582582
;
583583

584584
opt_at: AT connection_target
@@ -594,9 +594,9 @@ opt_at: AT connection_target
594594
};
595595

596596
stmt: AlterDatabaseSetStmt { output_statement($1, 0, connection); }
597-
| AlterDbOwnerStmt { output_statement($1, 0, connection); }
598597
| AlterDomainStmt { output_statement($1, 0, connection); }
599598
| AlterGroupStmt { output_statement($1, 0, connection); }
599+
| AlterOwnerStmt { output_statement($1, 0, connection); }
600600
| AlterSeqStmt { output_statement($1, 0, connection); }
601601
| AlterTableStmt { output_statement($1, 0, connection); }
602602
| AlterUserSetStmt { output_statement($1, 0, connection); }
@@ -2385,12 +2385,42 @@ RenameStmt: ALTER AGGREGATE func_name '(' aggr_argtype ')' RENAME TO name
23852385
{ $$ = cat_str(6, make_str("alter trigger"), $3, make_str("on"), $5, make_str("rename to"), $8); }
23862386
| ALTER USER UserId RENAME TO UserId
23872387
{ $$ = cat_str(4, make_str("alter user"), $3, make_str("rename to"), $6); }
2388+
| ALTER TABLESPACE name RENAME TO name
2389+
{ $$ = cat_str(4, make_str("alter tablespace"), $3, make_str("rename to"), $6); }
23882390
;
23892391

23902392
opt_column: COLUMN { $$ = make_str("column"); }
23912393
| /*EMPTY*/ { $$ = EMPTY; }
23922394
;
23932395

2396+
/*****************************************************************************
2397+
*
2398+
* ALTER THING name OWNER TO newname.
2399+
*
2400+
*****************************************************************************/
2401+
2402+
AlterOwnerStmt: ALTER AGGREGATE func_name '(' aggr_argtype ')' OWNER TO UserId
2403+
{ $$ = cat_str(6, make_str("alter aggregate"), $3, make_str("("), $5, make_str(") owner to"), $9); }
2404+
| ALTER CONVERSION_P any_name OWNER TO UserId
2405+
{ $$ = cat_str(4, make_str("alter conversion"), $3, make_str("owner to"), $6); }
2406+
| ALTER DATABASE database_name OWNER TO UserId
2407+
{ $$ = cat_str(4, make_str("alter database"), $3, make_str("owner to"), $6); }
2408+
| ALTER DOMAIN_P database_name OWNER TO UserId
2409+
{ $$ = cat_str(4, make_str("alter domain"), $3, make_str("owner to"), $6); }
2410+
| ALTER FUNCTION func_name func_args OWNER TO UserId
2411+
{ $$ = cat_str(5, make_str("alter function"), $3, $4, make_str("owner to"), $7); }
2412+
| ALTER OPERATOR any_operator '(' oper_argtypes ')' OWNER TO UserId
2413+
{ $$ = cat_str(6, make_str("alter operator"), $3, make_str("("), $5, make_str(") owner to"), $9); }
2414+
| ALTER OPERATOR CLASS any_name USING access_method OWNER TO UserId
2415+
{ $$ = cat_str(6, make_str("alter operator class"), $4, make_str("using"), $6, make_str("owner to"), $9); }
2416+
| ALTER SCHEMA name OWNER TO UserId
2417+
{ $$ = cat_str(4, make_str("alter schema"), $3, make_str("owner to"), $6); }
2418+
| ALTER TYPE_P any_name OWNER TO UserId
2419+
{ $$ = cat_str(4, make_str("alter type"), $3, make_str("owner to"), $6); }
2420+
| ALTER TABLESPACE name OWNER TO UserId
2421+
{ $$ = cat_str(4, make_str("alter tablespace"), $3, make_str("owner to"), $6); }
2422+
;
2423+
23942424

23952425
/*****************************************************************************
23962426
*
@@ -2589,8 +2619,6 @@ opt_equal: '=' { $$ = make_str("="); }
25892619
*
25902620
*****************************************************************************/
25912621

2592-
AlterDbOwnerStmt: ALTER DATABASE database_name OWNER TO UserId
2593-
{ $$ = cat_str(4, make_str("alter database"), $3, make_str("owner to"), $6); }
25942622
AlterDatabaseSetStmt: ALTER DATABASE database_name SET set_rest
25952623
{ $$ = cat_str(4, make_str("alter database"), $3, make_str("set"), $5); }
25962624
| ALTER DATABASE database_name VariableResetStmt
@@ -2632,8 +2660,6 @@ AlterDomainStmt:
26322660
{ $$ = cat_str(4, make_str("alter domain"), $3, make_str("add"), $5); }
26332661
| ALTER DOMAIN_P any_name DROP CONSTRAINT name opt_drop_behavior
26342662
{ $$ = cat_str(5, make_str("alter domain"), $3, make_str("drop constraint"), $6, $7); }
2635-
| ALTER DOMAIN_P any_name OWNER TO UserId
2636-
{ $$ = cat_str(4, make_str("alter domain"), $3, make_str("owner to"), $6); }
26372663
;
26382664

26392665
opt_as: AS {$$ = make_str("as"); }
@@ -4582,6 +4608,7 @@ type_declaration: S_TYPEDEF
45824608
/* initial definition */
45834609
this->next = types;
45844610
this->name = $5;
4611+
this->brace_level = braces_open;
45854612
this->type = (struct this_type *) mm_alloc(sizeof(struct this_type));
45864613
this->type->type_enum = $3.type_enum;
45874614
this->type->type_str = mm_strdup($5);
@@ -4897,6 +4924,7 @@ struct_union_type_with_symbol: s_struct_union_symbol
48974924
/* initial definition */
48984925
this->next = types;
48994926
this->name = mm_strdup(su_type.type_str);
4927+
this->brace_level = braces_open;
49004928
this->type = (struct this_type *) mm_alloc(sizeof(struct this_type));
49014929
this->type->type_enum = su_type.type_enum;
49024930
this->type->type_str = mm_strdup(su_type.type_str);
@@ -5417,6 +5445,7 @@ ECPGTypedef: TYPE_P
54175445
/* initial definition */
54185446
this->next = types;
54195447
this->name = $3;
5448+
this->brace_level = braces_open;
54205449
this->type = (struct this_type *) mm_alloc(sizeof(struct this_type));
54215450
this->type->type_enum = $5.type_enum;
54225451
this->type->type_str = mm_strdup($3);

‎src/interfaces/ecpg/preproc/type.h‎

Lines changed: 10 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -123,26 +123,27 @@ struct cursor
123123

124124
struct typedefs
125125
{
126-
char *name;
127-
struct this_type *type;
128-
struct ECPGstruct_member *struct_member_list;
129-
struct typedefs *next;
126+
char *name;
127+
struct this_type *type;
128+
struct ECPGstruct_member *struct_member_list;
129+
int brace_level;
130+
struct typedefs *next;
130131
};
131132

132133
struct _defines
133134
{
134-
char *old;
135-
char *new;
136-
int pertinent;
135+
char *old;
136+
char *new;
137+
int pertinent;
137138
struct _defines *next;
138139
};
139140

140141
/* This is a linked list of the variable names and types. */
141142
struct variable
142143
{
143-
char *name;
144+
char *name;
144145
struct ECPGtype *type;
145-
int brace_level;
146+
int brace_level;
146147
struct variable *next;
147148
};
148149

‎src/interfaces/ecpg/preproc/variable.c‎

Lines changed: 42 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -275,13 +275,47 @@ find_variable(char *name)
275275
return (p);
276276
}
277277

278+
void
279+
remove_typedefs(int brace_level)
280+
{
281+
struct typedefs *p,
282+
*prev;
283+
284+
for (p = prev = types; p;)
285+
{
286+
if (p->brace_level >= brace_level)
287+
{
288+
/* remove it */
289+
if (p == types)
290+
prev = types = p->next;
291+
else
292+
prev->next = p->next;
293+
294+
if (p->type->type_enum == ECPGt_struct || p->type->type_enum == ECPGt_union)
295+
free(p->struct_member_list);
296+
free(p->type);
297+
free(p->name);
298+
free(p);
299+
if (prev == types)
300+
p = types;
301+
else
302+
p = prev ? prev->next : NULL;
303+
}
304+
else
305+
{
306+
prev = p;
307+
p = prev->next;
308+
}
309+
}
310+
}
311+
278312
void
279313
remove_variables(int brace_level)
280314
{
281315
struct variable *p,
282316
*prev;
283317

284-
for (p = prev = allvariables; p; p = p ? p->next : NULL)
318+
for (p = prev = allvariables; p;)
285319
{
286320
if (p->brace_level >= brace_level)
287321
{
@@ -326,10 +360,16 @@ remove_variables(int brace_level)
326360
ECPGfree_type(p->type);
327361
free(p->name);
328362
free(p);
329-
p = prev;
363+
if (prev == allvariables)
364+
p = allvariables;
365+
else
366+
p = prev ? prev->next : NULL;
330367
}
331368
else
369+
{
332370
prev = p;
371+
p = prev->next;
372+
}
333373
}
334374
}
335375

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