-/* $PostgreSQL: pgsql/src/interfaces/ecpg/compatlib/informix.c,v 1.62 2009/10/01 18:03:54 meskes Exp $ */
+/* $PostgreSQL: pgsql/src/interfaces/ecpg/compatlib/informix.c,v 1.63 2010/01/26 09:07:31 meskes Exp $ */
#define POSTGRES_ECPG_INTERNAL
#include "postgres_fe.h"
return 0;
}
-static struct var_list
-{
- int number;
- void *pointer;
- struct var_list *next;
-} *ivlist = NULL;
-
void
ECPG_informix_set_var(int number, void *pointer, int lineno)
{
- struct var_list *ptr;
-
- for (ptr = ivlist; ptr != NULL; ptr = ptr->next)
- {
- if (ptr->number == number)
- {
- /* already known => just change pointer value */
- ptr->pointer = pointer;
- return;
- }
- }
-
- /* a new one has to be added */
- ptr = (struct var_list *) calloc(1L, sizeof(struct var_list));
- if (!ptr)
- {
- struct sqlca_t *sqlca = ECPGget_sqlca();
-
- sqlca->sqlcode = ECPG_OUT_OF_MEMORY;
- strncpy(sqlca->sqlstate, "YE001", sizeof("YE001"));
- snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc), "out of memory on line %d", lineno);
- sqlca->sqlerrm.sqlerrml = strlen(sqlca->sqlerrm.sqlerrmc);
- /* free all memory we have allocated for the user */
- ECPGfree_auto_mem();
- }
- else
- {
- ptr->number = number;
- ptr->pointer = pointer;
- ptr->next = ivlist;
- ivlist = ptr;
- }
+ ECPGset_var(number, pointer, lineno);
}
void *
ECPG_informix_get_var(int number)
{
- struct var_list *ptr;
-
- for (ptr = ivlist; ptr != NULL && ptr->number != number; ptr = ptr->next);
- return (ptr) ? ptr->pointer : NULL;
+ return ECPGget_var(number);
}
void
-# $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/exports.txt,v 1.6 2009/09/18 13:13:32 meskes Exp $
+# $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/exports.txt,v 1.7 2010/01/26 09:07:31 meskes Exp $
# Functions to be exported by ecpglib DLL
ECPGallocate_desc 1
ECPGconnect 2
ECPGtrans 24
sqlprint 25
ECPGget_PGconn 26
-ECPGtransactionStatus 27
+ECPGtransactionStatus 27
+ECPGset_var 28
+ECPGget_var 29
-/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/misc.c,v 1.53 2009/11/24 16:30:31 meskes Exp $ */
+/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/misc.c,v 1.54 2010/01/26 09:07:31 meskes Exp $ */
#define POSTGRES_ECPG_INTERNAL
#include "postgres_fe.h"
}
#endif /* ENABLE_NLS */
+
+static struct var_list
+{
+ int number;
+ void *pointer;
+ struct var_list *next;
+} *ivlist = NULL;
+
+void
+ECPGset_var(int number, void *pointer, int lineno)
+{
+ struct var_list *ptr;
+
+ for (ptr = ivlist; ptr != NULL; ptr = ptr->next)
+ {
+ if (ptr->number == number)
+ {
+ /* already known => just change pointer value */
+ ptr->pointer = pointer;
+ return;
+ }
+ }
+
+ /* a new one has to be added */
+ ptr = (struct var_list *) calloc(1L, sizeof(struct var_list));
+ if (!ptr)
+ {
+ struct sqlca_t *sqlca = ECPGget_sqlca();
+ sqlca->sqlcode = ECPG_OUT_OF_MEMORY;
+ strncpy(sqlca->sqlstate, "YE001", sizeof("YE001"));
+ snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc), "out of memory on line %d", lineno);
+ sqlca->sqlerrm.sqlerrml = strlen(sqlca->sqlerrm.sqlerrmc);
+ /* free all memory we have allocated for the user */
+ ECPGfree_auto_mem();
+ }
+ else
+ {
+ ptr->number = number;
+ ptr->pointer = pointer;
+ ptr->next = ivlist;
+ ivlist = ptr;
+ }
+}
+
+void *
+ECPGget_var(int number)
+{
+ struct var_list *ptr;
+
+ for (ptr = ivlist; ptr != NULL && ptr->number != number; ptr = ptr->next);
+ return (ptr) ? ptr->pointer : NULL;
+}
/*
* this is a small part of c.h since we don't want to leak all postgres
* definitions into ecpg programs
- * $PostgreSQL: pgsql/src/interfaces/ecpg/include/ecpglib.h,v 1.81 2010/01/15 10:44:36 meskes Exp $
+ * $PostgreSQL: pgsql/src/interfaces/ecpg/include/ecpglib.h,v 1.82 2010/01/26 09:07:31 meskes Exp $
*/
#ifndef _ECPGLIB_H
bool ECPGis_noind_null(enum ECPGttype, void *);
bool ECPGdescribe(int, int, bool, const char *, const char *, ...);
+void ECPGset_var(int, void *, int);
+void *ECPGget_var(int number);
+
/* dynamic result allocation */
void ECPGfree_auto_mem(void);
/*
* functions needed for descriptor handling
*
- * $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/descriptor.c,v 1.29 2010/01/05 16:38:23 meskes Exp $
+ * $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/descriptor.c,v 1.30 2010/01/26 09:07:31 meskes Exp $
*
* since descriptor might be either a string constant or a string var
* we need to check for a constant if we expect a constant
descriptor_variable(const char *name, int input)
{
static char descriptor_names[2][MAX_DESCRIPTOR_NAMELEN];
- static const struct ECPGtype descriptor_type = {ECPGt_descriptor, NULL, NULL, {NULL}, 0};
+ static const struct ECPGtype descriptor_type = {ECPGt_descriptor, NULL, NULL, NULL, {NULL}, 0};
static const struct variable varspace[2] = {
{descriptor_names[0], (struct ECPGtype *) & descriptor_type, 0, NULL},
{descriptor_names[1], (struct ECPGtype *) & descriptor_type, 0, NULL}
-/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/ecpg.addons,v 1.14 2010/01/15 10:44:37 meskes Exp $ */
+/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/ecpg.addons,v 1.15 2010/01/26 09:07:31 meskes Exp $ */
ECPG: stmtClosePortalStmt block
{
if (INFORMIX_MODE)
this->next = cur;
this->name = $2;
+ this->function = (current_function ? mm_strdup(current_function) : NULL);
this->connection = connection;
this->opened = false;
this->command = cat_str(7, make_str("declare"), cursor_marker, $3, make_str("cursor"), $5, make_str("for"), $7);
this->argsinsert = argsinsert;
+ this->argsinsert_oos = NULL;
this->argsresult = argsresult;
+ this->argsresult_oos = NULL;
argsinsert = argsresult = NULL;
cur = this;
}
comment = cat_str(3, make_str("/*"), c1, make_str("*/"));
- if (INFORMIX_MODE)
- {
- if (braces_open > 0) /* we're in a function */
- {
- $$ = cat_str(4, adjust_informix(this->argsinsert), adjust_informix(this->argsresult), make_str("ECPG_informix_reset_sqlca();"), comment);
- }
- else
- $$ = cat_str(3, adjust_informix(this->argsinsert), adjust_informix(this->argsresult), comment);
- }
+ if ((braces_open > 0) && INFORMIX_MODE) /* we're in a function */
+ $$ = cat_str(4,
+ adjust_outofscope_cursor_vars(this, true),
+ adjust_outofscope_cursor_vars(this, false),
+ make_str("ECPG_informix_reset_sqlca();"),
+ comment);
else
- $$ = comment;
+ $$ = cat_str(3,
+ adjust_outofscope_cursor_vars(this, true),
+ adjust_outofscope_cursor_vars(this, false),
+ comment);
}
ECPG: ClosePortalStmtCLOSEcursor_name block
{
-/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/ecpg.c,v 1.112 2010/01/02 16:58:11 momjian Exp $ */
+/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/ecpg.c,v 1.113 2010/01/26 09:07:31 meskes Exp $ */
/* Main for ecpg, the PostgreSQL embedded SQL precompiler. */
/* Copyright (c) 1996-2010, PostgreSQL Global Development Group */
/* and structure member lists */
memset(struct_member_list, 0, sizeof(struct_member_list));
- /* and our variable counter for Informix compatibility */
- ecpg_informix_var = 0;
+ /* and our variable counter for out of scope cursors' variables */
+ ecpg_internal_var = 0;
/* finally the actual connection */
connection = NULL;
-/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/ecpg.header,v 1.10 2009/11/05 23:24:27 tgl Exp $ */
+/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/ecpg.header,v 1.11 2010/01/26 09:07:31 meskes Exp $ */
/* Copyright comment */
%{
*/
int struct_level = 0;
int braces_open; /* brace level counter */
-int ecpg_informix_var = 0;
+char *current_function;
+int ecpg_internal_var = 0;
char *connection = NULL;
char *input_filename = NULL;
/* for forward declarations we have to store some data as well */
static char *forward_name = NULL;
-struct ECPGtype ecpg_no_indicator = {ECPGt_NO_INDICATOR, NULL, NULL, {NULL}, 0};
+struct ECPGtype ecpg_no_indicator = {ECPGt_NO_INDICATOR, NULL, NULL, NULL, {NULL}, 0};
struct variable no_indicator = {"no_indicator", &ecpg_no_indicator, 0, NULL};
-struct ECPGtype ecpg_query = {ECPGt_char_variable, NULL, NULL, {NULL}, 0};
+struct ECPGtype ecpg_query = {ECPGt_char_variable, NULL, NULL, NULL, {NULL}, 0};
/*
* Handle parsing errors and warnings
}
static char *
-adjust_informix(struct arguments *list)
+adjust_outofscope_cursor_vars(struct cursor *cur, bool insert)
{
/* Informix accepts DECLARE with variables that are out of scope when OPEN is called.
- * for instance you can declare variables in a function, and then subsequently use them
- * {
- * declare_vars();
- * exec sql ... which uses vars declared in the above function
+ * For instance you can DECLARE a cursor in one function, and OPEN/FETCH/CLOSE
+ * it in other functions. This is very useful for e.g. event-driver programming,
+ * but may also lead to dangerous programming. The limitation when this is allowed
+ * and doesn's cause problems have to be documented, like the allocated variables
+ * must not be realloc()'ed.
*
- * This breaks standard and leads to some very dangerous programming.
- * Since they do, we have to work around and accept their syntax as well.
- * But we will do so ONLY in Informix mode.
- * We have to change the variables to our own struct and just store the pointer instead of the variable
+ * We have to change the variables to our own struct and just store the pointer
+ * instead of the variable. Do it only for local variables, not for globals.
*/
- struct arguments *ptr;
- char *result = make_str("");
+ struct arguments *list;
+ struct arguments *ptr;
+ struct arguments *newlist = NULL;
+ struct variable *newvar, *newind;
+ char *result = make_str("");
- for (ptr = list; ptr != NULL; ptr = ptr->next)
- {
- char temp[20]; /* this should be sufficient unless you have 8 byte integers */
+ list = (insert ? cur->argsinsert : cur->argsresult);
+
+ for (ptr = list; ptr != NULL; ptr = ptr->next)
+ {
+ char temp[20]; /* this should be sufficient unless you have 8 byte integers */
char *original_var;
+ bool skip_set_var = false;
- /* change variable name to "ECPG_informix_get_var(<counter>)" */
+ /* change variable name to "ECPGget_var(<counter>)" */
original_var = ptr->variable->name;
- sprintf(temp, "%d))", ecpg_informix_var);
+ sprintf(temp, "%d))", ecpg_internal_var);
- if ((ptr->variable->type->type != ECPGt_varchar && ptr->variable->type->type != ECPGt_char && ptr->variable->type->type != ECPGt_unsigned_char && ptr->variable->type->type != ECPGt_string) && atoi(ptr->variable->type->size) > 1)
+ /* Don't emit ECPGset_var() calls for global variables */
+ if (ptr->variable->brace_level == 0)
+ {
+ newvar = ptr->variable;
+ skip_set_var = true;
+ }
+ else if ((ptr->variable->type->type == ECPGt_char_variable) && (!strncmp(ptr->variable->name, "ECPGprepared_statement", strlen("ECPGprepared_statement"))))
{
- ptr->variable = new_variable(cat_str(4, make_str("("), mm_strdup(ecpg_type_name(ptr->variable->type->u.element->type)), make_str(" *)(ECPG_informix_get_var("), mm_strdup(temp)), ECPGmake_array_type(ECPGmake_simple_type(ptr->variable->type->u.element->type, make_str("1"), ptr->variable->type->u.element->lineno), ptr->variable->type->size), 0);
- sprintf(temp, "%d, (", ecpg_informix_var++);
+ newvar = ptr->variable;
+ skip_set_var = true;
+ }
+ else if ((ptr->variable->type->type != ECPGt_varchar && ptr->variable->type->type != ECPGt_char && ptr->variable->type->type != ECPGt_unsigned_char && ptr->variable->type->type != ECPGt_string) && atoi(ptr->variable->type->size) > 1)
+ {
+ newvar = new_variable(cat_str(4, make_str("("), mm_strdup(ecpg_type_name(ptr->variable->type->u.element->type)), make_str(" *)(ECPGget_var("), mm_strdup(temp)), ECPGmake_array_type(ECPGmake_simple_type(ptr->variable->type->u.element->type, make_str("1"), ptr->variable->type->u.element->lineno), ptr->variable->type->size), 0);
+ sprintf(temp, "%d, (", ecpg_internal_var++);
}
else if ((ptr->variable->type->type == ECPGt_varchar || ptr->variable->type->type == ECPGt_char || ptr->variable->type->type == ECPGt_unsigned_char || ptr->variable->type->type == ECPGt_string) && atoi(ptr->variable->type->size) > 1)
{
- ptr->variable = new_variable(cat_str(4, make_str("("), mm_strdup(ecpg_type_name(ptr->variable->type->type)), make_str(" *)(ECPG_informix_get_var("), mm_strdup(temp)), ECPGmake_simple_type(ptr->variable->type->type, ptr->variable->type->size, ptr->variable->type->lineno), 0);
- sprintf(temp, "%d, (", ecpg_informix_var++);
+ newvar = new_variable(cat_str(4, make_str("("), mm_strdup(ecpg_type_name(ptr->variable->type->type)), make_str(" *)(ECPGget_var("), mm_strdup(temp)), ECPGmake_simple_type(ptr->variable->type->type, ptr->variable->type->size, ptr->variable->type->lineno), 0);
+ if (ptr->variable->type->type == ECPGt_varchar)
+ sprintf(temp, "%d, &(", ecpg_internal_var++);
+ else
+ sprintf(temp, "%d, (", ecpg_internal_var++);
+ }
+ else if (ptr->variable->type->type == ECPGt_struct || ptr->variable->type->type == ECPGt_union)
+ {
+ sprintf(temp, "%d)))", ecpg_internal_var);
+ newvar = new_variable(cat_str(4, make_str("(*("), mm_strdup(ptr->variable->type->type_name), make_str(" *)(ECPGget_var("), mm_strdup(temp)), ECPGmake_struct_type(ptr->variable->type->u.members, ptr->variable->type->type, ptr->variable->type->type_name, ptr->variable->type->struct_sizeof), 0);
+ sprintf(temp, "%d, &(", ecpg_internal_var++);
+ }
+ else if (ptr->variable->type->type == ECPGt_array)
+ {
+ if (ptr->variable->type->u.element->type == ECPGt_struct || ptr->variable->type->u.element->type == ECPGt_union)
+ {
+ sprintf(temp, "%d)))", ecpg_internal_var);
+ newvar = new_variable(cat_str(4, make_str("(*("), mm_strdup(ptr->variable->type->u.element->type_name), make_str(" *)(ECPGget_var("), mm_strdup(temp)), ECPGmake_struct_type(ptr->variable->type->u.element->u.members, ptr->variable->type->u.element->type, ptr->variable->type->u.element->type_name, ptr->variable->type->u.element->struct_sizeof), 0);
+ sprintf(temp, "%d, (", ecpg_internal_var++);
+ }
+ else
+ {
+ newvar = new_variable(cat_str(4, make_str("("), mm_strdup(ecpg_type_name(ptr->variable->type->type)), make_str(" *)(ECPGget_var("), mm_strdup(temp)), ECPGmake_array_type(ECPGmake_simple_type(ptr->variable->type->u.element->type, ptr->variable->type->u.element->size, ptr->variable->type->u.element->lineno), ptr->variable->type->size), 0);
+ sprintf(temp, "%d, &(", ecpg_internal_var++);
+ }
}
else
{
- ptr->variable = new_variable(cat_str(4, make_str("*("), mm_strdup(ecpg_type_name(ptr->variable->type->type)), make_str(" *)(ECPG_informix_get_var("), mm_strdup(temp)), ECPGmake_simple_type(ptr->variable->type->type, ptr->variable->type->size, ptr->variable->type->lineno), 0);
- sprintf(temp, "%d, &(", ecpg_informix_var++);
+ newvar = new_variable(cat_str(4, make_str("*("), mm_strdup(ecpg_type_name(ptr->variable->type->type)), make_str(" *)(ECPGget_var("), mm_strdup(temp)), ECPGmake_simple_type(ptr->variable->type->type, ptr->variable->type->size, ptr->variable->type->lineno), 0);
+ sprintf(temp, "%d, &(", ecpg_internal_var++);
}
- /* create call to "ECPG_informix_set_var(<counter>, <pointer>. <linen number>)" */
- result = cat_str(5, result, make_str("ECPG_informix_set_var("), mm_strdup(temp), mm_strdup(original_var), make_str("), __LINE__);\n"));
+ /* create call to "ECPGset_var(<counter>, <pointer>. <linen number>)" */
+ if (!skip_set_var)
+ result = cat_str(5, result, make_str("ECPGset_var("), mm_strdup(temp), mm_strdup(original_var), make_str("), __LINE__);\n"));
- /* now the indicator if there is one */
- if (ptr->indicator->type->type != ECPGt_NO_INDICATOR)
+ /* now the indicator if there is one and it's not a global variable */
+ if ((ptr->indicator->type->type == ECPGt_NO_INDICATOR) || (ptr->indicator->brace_level == 0))
+ {
+ newind = ptr->indicator;
+ }
+ else
{
- /* change variable name to "ECPG_informix_get_var(<counter>)" */
+ /* change variable name to "ECPGget_var(<counter>)" */
original_var = ptr->indicator->name;
- sprintf(temp, "%d))", ecpg_informix_var);
+ sprintf(temp, "%d))", ecpg_internal_var);
- /* create call to "ECPG_informix_set_var(<counter>, <pointer>. <linen number>)" */
- if (atoi(ptr->indicator->type->size) > 1)
+ if (ptr->indicator->type->type == ECPGt_struct || ptr->indicator->type->type == ECPGt_union)
+ {
+ sprintf(temp, "%d)))", ecpg_internal_var);
+ newind = new_variable(cat_str(4, make_str("(*("), mm_strdup(ptr->indicator->type->type_name), make_str(" *)(ECPGget_var("), mm_strdup(temp)), ECPGmake_struct_type(ptr->indicator->type->u.members, ptr->indicator->type->type, ptr->indicator->type->type_name, ptr->indicator->type->struct_sizeof), 0);
+ sprintf(temp, "%d, &(", ecpg_internal_var++);
+ }
+ else if (ptr->indicator->type->type == ECPGt_array)
+ {
+ if (ptr->indicator->type->u.element->type == ECPGt_struct || ptr->indicator->type->u.element->type == ECPGt_union)
+ {
+ sprintf(temp, "%d)))", ecpg_internal_var);
+ newind = new_variable(cat_str(4, make_str("(*("), mm_strdup(ptr->indicator->type->u.element->type_name), make_str(" *)(ECPGget_var("), mm_strdup(temp)), ECPGmake_struct_type(ptr->indicator->type->u.element->u.members, ptr->indicator->type->u.element->type, ptr->indicator->type->u.element->type_name, ptr->indicator->type->u.element->struct_sizeof), 0);
+ sprintf(temp, "%d, (", ecpg_internal_var++);
+ }
+ else
+ {
+ newind = new_variable(cat_str(4, make_str("("), mm_strdup(ecpg_type_name(ptr->indicator->type->u.element->type)), make_str(" *)(ECPGget_var("), mm_strdup(temp)), ECPGmake_array_type(ECPGmake_simple_type(ptr->indicator->type->u.element->type, ptr->indicator->type->u.element->size, ptr->indicator->type->u.element->lineno), ptr->indicator->type->size), 0);
+ sprintf(temp, "%d, &(", ecpg_internal_var++);
+ }
+ }
+ else if (atoi(ptr->indicator->type->size) > 1)
{
- ptr->indicator = new_variable(cat_str(4, make_str("("), mm_strdup(ecpg_type_name(ptr->indicator->type->type)), make_str(" *)(ECPG_informix_get_var("), mm_strdup(temp)), ECPGmake_simple_type(ptr->indicator->type->type, ptr->indicator->type->size, ptr->variable->type->lineno), 0);
- sprintf(temp, "%d, (", ecpg_informix_var++);
+ newind = new_variable(cat_str(4, make_str("("), mm_strdup(ecpg_type_name(ptr->indicator->type->type)), make_str(" *)(ECPGget_var("), mm_strdup(temp)), ECPGmake_simple_type(ptr->indicator->type->type, ptr->indicator->type->size, ptr->variable->type->lineno), 0);
+ sprintf(temp, "%d, (", ecpg_internal_var++);
}
else
{
- ptr->indicator = new_variable(cat_str(4, make_str("*("), mm_strdup(ecpg_type_name(ptr->indicator->type->type)), make_str(" *)(ECPG_informix_get_var("), mm_strdup(temp)), ECPGmake_simple_type(ptr->indicator->type->type, ptr->indicator->type->size, ptr->variable->type->lineno), 0);
- sprintf(temp, "%d, &(", ecpg_informix_var++);
+ newind = new_variable(cat_str(4, make_str("*("), mm_strdup(ecpg_type_name(ptr->indicator->type->type)), make_str(" *)(ECPGget_var("), mm_strdup(temp)), ECPGmake_simple_type(ptr->indicator->type->type, ptr->indicator->type->size, ptr->variable->type->lineno), 0);
+ sprintf(temp, "%d, &(", ecpg_internal_var++);
}
- result = cat_str(5, result, make_str("ECPG_informix_set_var("), mm_strdup(temp), mm_strdup(original_var), make_str("), __LINE__);\n"));
+
+ /* create call to "ECPGset_var(<counter>, <pointer>. <linen number>)" */
+ result = cat_str(5, result, make_str("ECPGset_var("), mm_strdup(temp), mm_strdup(original_var), make_str("), __LINE__);\n"));
}
- }
- return result;
+ add_variable_to_tail(&newlist, newvar, newind);
+ }
+
+ if (insert)
+ cur->argsinsert_oos = newlist;
+ else
+ cur->argsresult_oos = newlist;
+
+ return result;
}
+/* This tests whether the cursor was declared and opened in the same function. */
+#define SAMEFUNC(cur) \
+ ((cur->function == NULL) || \
+ (cur->function != NULL && !strcmp(cur->function, current_function)))
+
static struct cursor *
add_additional_variables(char *name, bool insert)
{
{
/* add all those input variables that were given earlier
* note that we have to append here but have to keep the existing order */
- for (p = ptr->argsinsert; p; p = p->next)
+ for (p = (SAMEFUNC(ptr) ? ptr->argsinsert : ptr->argsinsert_oos); p; p = p->next)
add_variable_to_tail(&argsinsert, p->variable, p->indicator);
}
/* add all those output variables that were given earlier */
- for (p = ptr->argsresult; p; p = p->next)
+ for (p = (SAMEFUNC(ptr) ? ptr->argsresult : ptr->argsresult_oos); p; p = p->next)
add_variable_to_tail(&argsresult, p->variable, p->indicator);
return ptr;
-/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/ecpg.trailer,v 1.18 2010/01/15 10:44:37 meskes Exp $ */
+/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/ecpg.trailer,v 1.19 2010/01/26 09:07:31 meskes Exp $ */
statements: /*EMPTY*/
| statements statement
| c_thing { fprintf(yyout, "%s", $1); free($1); }
| CPP_LINE { fprintf(yyout, "%s", $1); free($1); }
| '{' { braces_open++; fputs("{", yyout); }
- | '}' { remove_typedefs(braces_open); remove_variables(braces_open--); fputs("}", yyout); }
+ | '}'
+ {
+ remove_typedefs(braces_open);
+ remove_variables(braces_open--);
+ if (braces_open == 0)
+ {
+ free(current_function);
+ current_function = NULL;
+ }
+ fputs("}", yyout);
+ }
;
CreateAsStmt: CREATE OptTemp TABLE create_as_target AS {FoundInto = 0;} SelectStmt opt_with_data
char *cursor_marker = $2[0] == ':' ? make_str("$0") : mm_strdup($2);
struct variable *thisquery = (struct variable *)mm_alloc(sizeof(struct variable));
const char *con = connection ? connection : "NULL";
+ char *comment;
for (ptr = cur; ptr != NULL; ptr = ptr->next)
{
/* initial definition */
this->next = cur;
this->name = $2;
+ this->function = (current_function ? mm_strdup(current_function) : NULL);
this->connection = connection;
this->command = cat_str(6, make_str("declare"), cursor_marker, $3, make_str("cursor"), $5, make_str("for $1"));
this->argsresult = NULL;
+ this->argsresult_oos = NULL;
thisquery->type = &ecpg_query;
thisquery->brace_level = 0;
sprintf(thisquery->name, "ECPGprepared_statement(%s, %s, __LINE__)", con, $7);
this->argsinsert = NULL;
+ this->argsinsert_oos = NULL;
if ($2[0] == ':')
{
struct variable *var = find_variable($2 + 1);
cur = this;
- if (INFORMIX_MODE && braces_open > 0) /* we're in a function */
- $$ = cat_str(4, make_str("ECPG_informix_reset_sqlca();"), make_str("/*"), mm_strdup(this->command), make_str("*/"));
+ comment = cat_str(3, make_str("/*"), mm_strdup(this->command), make_str("*/"));
+
+ if ((braces_open > 0) && INFORMIX_MODE) /* we're in a function */
+ $$ = cat_str(4,
+ adjust_outofscope_cursor_vars(this, true),
+ adjust_outofscope_cursor_vars(this, false),
+ make_str("ECPG_informix_reset_sqlca();"),
+ comment);
else
- $$ = cat_str(3, make_str("/*"), mm_strdup(this->command), make_str("*/"));
+ $$ = cat_str(3,
+ adjust_outofscope_cursor_vars(this, true),
+ adjust_outofscope_cursor_vars(this, false),
+ comment);
}
;
var_type
{
actual_type[struct_level].type_enum = $2.type_enum;
+ actual_type[struct_level].type_str = $2.type_str;
actual_type[struct_level].type_dimension = $2.type_dimension;
actual_type[struct_level].type_index = $2.type_index;
actual_type[struct_level].type_sizeof = $2.type_sizeof;
| var_type
{
actual_type[struct_level].type_enum = $1.type_enum;
+ actual_type[struct_level].type_str = $1.type_str;
actual_type[struct_level].type_dimension = $1.type_dimension;
actual_type[struct_level].type_index = $1.type_index;
actual_type[struct_level].type_sizeof = $1.type_sizeof;
case ECPGt_struct:
case ECPGt_union:
if (atoi(dimension) < 0)
- type = ECPGmake_struct_type(struct_member_list[struct_level], actual_type[struct_level].type_enum, actual_type[struct_level].type_sizeof);
+ type = ECPGmake_struct_type(struct_member_list[struct_level], actual_type[struct_level].type_enum, actual_type[struct_level].type_str, actual_type[struct_level].type_sizeof);
else
- type = ECPGmake_array_type(ECPGmake_struct_type(struct_member_list[struct_level], actual_type[struct_level].type_enum, actual_type[struct_level].type_sizeof), dimension);
+ type = ECPGmake_array_type(ECPGmake_struct_type(struct_member_list[struct_level], actual_type[struct_level].type_enum, actual_type[struct_level].type_str, actual_type[struct_level].type_sizeof), dimension);
$$ = cat_str(5, $1, mm_strdup($2), $3.str, $4, $5);
break;
case ECPGt_struct:
case ECPGt_union:
if (atoi(dimension) < 0)
- type = ECPGmake_struct_type(struct_member_list[struct_level], $5.type_enum, $5.type_sizeof);
+ type = ECPGmake_struct_type(struct_member_list[struct_level], $5.type_enum, $5.type_str, $5.type_sizeof);
else
- type = ECPGmake_array_type(ECPGmake_struct_type(struct_member_list[struct_level], $5.type_enum,$5.type_sizeof), dimension);
+ type = ECPGmake_array_type(ECPGmake_struct_type(struct_member_list[struct_level], $5.type_enum, $5.type_str, $5.type_sizeof), dimension);
break;
case ECPGt_varchar:
-/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/extern.h,v 1.77 2010/01/05 16:38:23 meskes Exp $ */
+/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/extern.h,v 1.78 2010/01/26 09:07:31 meskes Exp $ */
#ifndef _ECPG_PREPROC_EXTERN_H
#define _ECPG_PREPROC_EXTERN_H
questionmarks,
ret_value,
struct_level,
- ecpg_informix_var,
+ ecpg_internal_var,
regression_mode,
auto_prepare;
+extern char *current_function;
extern char *descriptor_index;
extern char *descriptor_name;
extern char *connection;
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/pgc.l,v 1.171 2010/01/02 16:58:11 momjian Exp $
+ * $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/pgc.l,v 1.172 2010/01/26 09:07:31 meskes Exp $
*
*-------------------------------------------------------------------------
*/
static int literallen; /* actual current length */
static int literalalloc; /* current allocated buffer size */
+/* Used for detecting global state together with braces_open */
+static int parenths_open;
+
#define startlit() (literalbuf[0] = '\0', literallen = 0)
static void addlit(char *ytext, int yleng);
static void addlitchar (unsigned char);
}
<C>{identifier} {
const ScanKeyword *keyword;
-
+
+ /*
+ * Try to detect a function name:
+ * look for identifiers at the global scope
+ * keep the last identifier before the first '(' and '{' */
+ if (braces_open == 0 && parenths_open == 0)
+ {
+ if (current_function)
+ free(current_function);
+ current_function = mm_strdup(yytext);
+ }
/* Informix uses SQL defines only in SQL space */
/* however, some defines have to be taken care of for compatibility */
if ((!INFORMIX_MODE || !isinformixdefine()) && !isdefine())
<C>"/" { return('/'); }
<C>"+" { return('+'); }
<C>"-" { return('-'); }
-<C>"(" { return('('); }
-<C>")" { return(')'); }
+<C>"(" { parenths_open++; return('('); }
+<C>")" { parenths_open--; return(')'); }
<C,xskip>{space} { ECHO; }
<C>\{ { return('{'); }
<C>\} { return('}'); }
lex_init(void)
{
braces_open = 0;
+ parenths_open = 0;
+ current_function = NULL;
preproc_tos = 0;
yylineno = 1;
-/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/type.c,v 1.86 2010/01/05 16:38:23 meskes Exp $ */
+/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/type.c,v 1.87 2010/01/26 09:07:31 meskes Exp $ */
#include "postgres_fe.h"
{
case ECPGt_struct:
case ECPGt_union:
- type = ECPGmake_struct_type(rm->type->u.members, rm->type->type, rm->type->struct_sizeof);
+ type = ECPGmake_struct_type(rm->type->u.members, rm->type->type, rm->type->type_name, rm->type->struct_sizeof);
break;
case ECPGt_array:
* create the struct too
*/
if (rm->type->u.element->type == ECPGt_struct)
- type = ECPGmake_struct_type(rm->type->u.element->u.members, rm->type->u.element->type, rm->type->u.element->struct_sizeof);
+ type = ECPGmake_struct_type(rm->type->u.element->u.members, rm->type->u.element->type, rm->type->u.element->type_name, rm->type->u.element->struct_sizeof);
else
type = ECPGmake_array_type(ECPGmake_simple_type(rm->type->u.element->type, rm->type->u.element->size, rm->type->u.element->lineno), rm->type->size);
break;
struct ECPGtype *ne = (struct ECPGtype *) mm_alloc(sizeof(struct ECPGtype));
ne->type = type;
+ ne->type_name = NULL;
ne->size = size;
ne->u.element = NULL;
ne->struct_sizeof = NULL;
}
struct ECPGtype *
-ECPGmake_struct_type(struct ECPGstruct_member * rm, enum ECPGttype type, char *struct_sizeof)
+ECPGmake_struct_type(struct ECPGstruct_member * rm, enum ECPGttype type, char *type_name, char *struct_sizeof)
{
struct ECPGtype *ne = ECPGmake_simple_type(type, make_str("1"), 0);
+ ne->type_name = mm_strdup(type_name);
ne->u.members = ECPGstruct_member_dup(rm);
ne->struct_sizeof = struct_sizeof;
/*
- * $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/type.h,v 1.51 2009/06/11 14:49:13 momjian Exp $
+ * $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/type.h,v 1.52 2010/01/26 09:07:31 meskes Exp $
*/
#ifndef _ECPG_PREPROC_TYPE_H
#define _ECPG_PREPROC_TYPE_H
struct ECPGtype
{
enum ECPGttype type;
+ char *type_name; /* For struct and union types it is the struct name */
char *size; /* For array it is the number of elements. For
* varchar it is the maxsize of the area. */
char *struct_sizeof; /* For a struct this is the sizeof() type as
struct ECPGtype *ECPGmake_simple_type(enum ECPGttype, char *, int);
struct ECPGtype *ECPGmake_varchar_type(enum ECPGttype, long);
struct ECPGtype *ECPGmake_array_type(struct ECPGtype *, char *);
-struct ECPGtype *ECPGmake_struct_type(struct ECPGstruct_member *, enum ECPGttype, char *);
+struct ECPGtype *ECPGmake_struct_type(struct ECPGstruct_member *, enum ECPGttype, char *, char *);
struct ECPGstruct_member *ECPGstruct_member_dup(struct ECPGstruct_member *);
/* Frees a type. */
struct cursor
{
char *name;
+ char *function;
char *command;
char *connection;
bool opened;
struct arguments *argsinsert;
+ struct arguments *argsinsert_oos;
struct arguments *argsresult;
+ struct arguments *argsresult_oos;
struct cursor *next;
};
-/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/variable.c,v 1.51 2009/11/26 15:06:47 meskes Exp $ */
+/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/variable.c,v 1.52 2010/01/26 09:07:31 meskes Exp $ */
#include "postgres_fe.h"
return (new_variable(name, ECPGmake_array_type(ECPGmake_simple_type(members->type->u.element->type, members->type->u.element->size, members->type->u.element->lineno), members->type->size), brace_level));
case ECPGt_struct:
case ECPGt_union:
- return (new_variable(name, ECPGmake_struct_type(members->type->u.members, members->type->type, members->type->struct_sizeof), brace_level));
+ return (new_variable(name, ECPGmake_struct_type(members->type->u.members, members->type->type, members->type->type_name, members->type->struct_sizeof), brace_level));
default:
return (new_variable(name, ECPGmake_simple_type(members->type->type, members->type->size, members->type->lineno), brace_level));
}
return (new_variable(name, ECPGmake_array_type(ECPGmake_simple_type(members->type->u.element->u.element->type, members->type->u.element->u.element->size, members->type->u.element->u.element->lineno), members->type->u.element->size), brace_level));
case ECPGt_struct:
case ECPGt_union:
- return (new_variable(name, ECPGmake_struct_type(members->type->u.element->u.members, members->type->u.element->type, members->type->u.element->struct_sizeof), brace_level));
+ return (new_variable(name, ECPGmake_struct_type(members->type->u.element->u.members, members->type->u.element->type, members->type->u.element->type_name, members->type->u.element->struct_sizeof), brace_level));
default:
return (new_variable(name, ECPGmake_simple_type(members->type->u.element->type, members->type->u.element->size, members->type->u.element->lineno), brace_level));
}
return (new_variable(name, ECPGmake_array_type(ECPGmake_simple_type(p->type->u.element->u.element->type, p->type->u.element->u.element->size, p->type->u.element->u.element->lineno), p->type->u.element->size), p->brace_level));
case ECPGt_struct:
case ECPGt_union:
- return (new_variable(name, ECPGmake_struct_type(p->type->u.element->u.members, p->type->u.element->type, p->type->u.element->struct_sizeof), p->brace_level));
+ return (new_variable(name, ECPGmake_struct_type(p->type->u.element->u.members, p->type->u.element->type, p->type->u.element->type_name, p->type->u.element->struct_sizeof), p->brace_level));
default:
return (new_variable(name, ECPGmake_simple_type(p->type->u.element->type, p->type->u.element->size, p->type->u.element->lineno), p->brace_level));
}
test: preproc/strings
test: preproc/type
test: preproc/variable
+test: preproc/outofscope
test: preproc/whenever
test: sql/array
test: sql/binary
test: preproc/strings
test: preproc/type
test: preproc/variable
+test: preproc/outofscope
test: preproc/whenever
test: sql/array
test: sql/binary
sqlca.sqlcode = 100;
- ECPG_informix_set_var( 0, &( i ), __LINE__);\
+ ECPGset_var( 0, &( i ), __LINE__);\
ECPG_informix_reset_sqlca(); /* declare c cursor for select * from test where i <= $1 */
#line 49 "test_informix.pgc"
static void openit(void)
{
{ ECPGdo(__LINE__, 1, 1, NULL, 0, ECPGst_normal, "declare c cursor for select * from test where i <= $1 ",
- ECPGt_int,&(*( int *)(ECPG_informix_get_var( 0))),(long)1,(long)1,sizeof(int),
+ ECPGt_int,&(*( int *)(ECPGget_var( 0))),(long)1,(long)1,sizeof(int),
ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);
#line 95 "test_informix.pgc"
/* Dynamic cursorname test with INTO list in FETCH stmts */
strcpy(msg, "declare");
- /* declare $0 cursor for select id , t from t1 */
+ ECPGset_var( 0, &( curname1 ), __LINE__);\
+ /* declare $0 cursor for select id , t from t1 */
#line 59 "cursor.pgc"
/* Dynamic cursorname test with INTO list in DECLARE stmt */
strcpy(msg, "declare");
- /* declare $0 cursor for select id , t from t1 */
+ ECPGset_var( 3, &( curname2 ), __LINE__);\
+ ECPGset_var( 1, ( t ), __LINE__);\
+ ECPGset_var( 2, &( id ), __LINE__);\
+ /* declare $0 cursor for select id , t from t1 */
#line 100 "cursor.pgc"
strcpy(msg, "declare");
- /* declare $0 cursor for $1 */
+ ECPGset_var( 4, &( curname3 ), __LINE__);\
+ /* declare $0 cursor for $1 */
#line 143 "cursor.pgc"
strcpy(msg, "declare");
- /* declare $0 cursor for $1 */
+ ECPGset_var( 5, &( curname4 ), __LINE__);\
+ /* declare $0 cursor for $1 */
#line 193 "cursor.pgc"
exit (sqlca.sqlcode);
}
- /* declare C cursor for select name , accs , byte from empl where idnum = $1 */
+ ECPGset_var( 0, &( empl.idnum ), __LINE__);\
+ /* declare C cursor for select name , accs , byte from empl where idnum = $1 */
#line 58 "binary.pgc"
{ ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "declare C cursor for select name , accs , byte from empl where idnum = $1 ",
printf ("name=%s, accs=%d byte=%s\n", empl.name, empl.accs, empl.byte);
memset(empl.name, 0, 21L);
- /* declare B binary cursor for select name , accs , byte from empl where idnum = $1 */
+ ECPGset_var( 1, &( empl.idnum ), __LINE__);\
+ /* declare B binary cursor for select name , accs , byte from empl where idnum = $1 */
#line 70 "binary.pgc"
{ ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "declare B binary cursor for select name , accs , byte from empl where idnum = $1 ",
printf("(%o)", (unsigned char)empl.byte[i]);
printf("\n");
- /* declare A binary cursor for select byte from empl where idnum = $1 */
+ ECPGset_var( 2, &( empl.idnum ), __LINE__);\
+ /* declare A binary cursor for select byte from empl where idnum = $1 */
#line 87 "binary.pgc"
{ ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "declare A binary cursor for select byte from empl where idnum = $1 ",
define define.c \
init init.c \
strings strings.c \
+ outofscope outofscope.c \
type type.c \
variable variable.c \
whenever whenever.c
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