postgresql/src/interfaces/ecpg/preproc/ecpg.addons

585 lines
17 KiB
Plaintext

/* src/interfaces/ecpg/preproc/ecpg.addons */
ECPG: stmtClosePortalStmt block
{
if (INFORMIX_MODE)
{
if (pg_strcasecmp($1+strlen("close "), "database") == 0)
{
if (connection)
mmerror(PARSE_ERROR, ET_ERROR, "AT option not allowed in CLOSE DATABASE statement");
fprintf(base_yyout, "{ ECPGdisconnect(__LINE__, \"CURRENT\");");
whenever_action(2);
free($1);
break;
}
}
output_statement($1, 0, ECPGst_normal);
}
ECPG: stmtDeallocateStmt block
{
output_deallocate_prepare_statement($1);
}
ECPG: stmtDeclareCursorStmt block
{ output_simple_statement($1, (strncmp($1, "ECPGset_var", strlen("ECPGset_var")) == 0) ? 4 : 0); }
ECPG: stmtDiscardStmt block
ECPG: stmtFetchStmt block
{ output_statement($1, 1, ECPGst_normal); }
ECPG: stmtDeleteStmt block
ECPG: stmtInsertStmt block
ECPG: stmtSelectStmt block
ECPG: stmtUpdateStmt block
{ output_statement($1, 1, ECPGst_prepnormal); }
ECPG: stmtExecuteStmt block
{
check_declared_list($1.name);
if ($1.type == NULL || strlen($1.type) == 0)
output_statement($1.name, 1, ECPGst_execute);
else
{
if ($1.name[0] != '"')
/* case of char_variable */
add_variable_to_tail(&argsinsert, find_variable($1.name), &no_indicator);
else
{
/* case of ecpg_ident or CSTRING */
char *length = mm_alloc(sizeof(int) * CHAR_BIT * 10 / 3);
char *str = mm_strdup($1.name + 1);
/* It must be cut off double quotation because new_variable() double-quotes. */
str[strlen(str) - 1] = '\0';
sprintf(length, "%zu", strlen(str));
add_variable_to_tail(&argsinsert, new_variable(str, ECPGmake_simple_type(ECPGt_const, length, 0), 0), &no_indicator);
}
output_statement(cat_str(3, mm_strdup("execute"), mm_strdup("$0"), $1.type), 0, ECPGst_exec_with_exprlist);
}
}
ECPG: stmtPrepareStmt block
{
check_declared_list($1.name);
if ($1.type == NULL)
output_prepare_statement($1.name, $1.stmt);
else if (strlen($1.type) == 0)
{
char *stmt = cat_str(3, mm_strdup("\""), $1.stmt, mm_strdup("\""));
output_prepare_statement($1.name, stmt);
}
else
{
if ($1.name[0] != '"')
/* case of char_variable */
add_variable_to_tail(&argsinsert, find_variable($1.name), &no_indicator);
else
{
char *length = mm_alloc(sizeof(int) * CHAR_BIT * 10 / 3);
char *str = mm_strdup($1.name + 1);
/* It must be cut off double quotation because new_variable() double-quotes. */
str[strlen(str) - 1] = '\0';
sprintf(length, "%zu", strlen(str));
add_variable_to_tail(&argsinsert, new_variable(str, ECPGmake_simple_type(ECPGt_const, length, 0), 0), &no_indicator);
}
output_statement(cat_str(5, mm_strdup("prepare"), mm_strdup("$0"), $1.type, mm_strdup("as"), $1.stmt), 0, ECPGst_prepare);
}
}
ECPG: stmtTransactionStmt block
{
fprintf(base_yyout, "{ ECPGtrans(__LINE__, %s, \"%s\");", connection ? connection : "NULL", $1);
whenever_action(2);
free($1);
}
ECPG: toplevel_stmtTransactionStmtLegacy block
{
fprintf(base_yyout, "{ ECPGtrans(__LINE__, %s, \"%s\");", connection ? connection : "NULL", $1);
whenever_action(2);
free($1);
}
ECPG: stmtViewStmt rule
| ECPGAllocateDescr
{
fprintf(base_yyout,"ECPGallocate_desc(__LINE__, %s);",$1);
whenever_action(0);
free($1);
}
| ECPGConnect
{
if (connection)
mmerror(PARSE_ERROR, ET_ERROR, "AT option not allowed in CONNECT statement");
fprintf(base_yyout, "{ ECPGconnect(__LINE__, %d, %s, %d); ", compat, $1, autocommit);
reset_variables();
whenever_action(2);
free($1);
}
| ECPGDeclareStmt
{
output_simple_statement($1, 0);
}
| ECPGCursorStmt
{
output_simple_statement($1, (strncmp($1, "ECPGset_var", strlen("ECPGset_var")) == 0) ? 4 : 0);
}
| ECPGDeallocateDescr
{
fprintf(base_yyout,"ECPGdeallocate_desc(__LINE__, %s);",$1);
whenever_action(0);
free($1);
}
| ECPGDeclare
{
output_simple_statement($1, 0);
}
| ECPGDescribe
{
check_declared_list($1.stmt_name);
fprintf(base_yyout, "{ ECPGdescribe(__LINE__, %d, %d, %s, %s,", compat, $1.input, connection ? connection : "NULL", $1.stmt_name);
dump_variables(argsresult, 1);
fputs("ECPGt_EORT);", base_yyout);
fprintf(base_yyout, "}");
output_line_number();
free($1.stmt_name);
}
| ECPGDisconnect
{
if (connection)
mmerror(PARSE_ERROR, ET_ERROR, "AT option not allowed in DISCONNECT statement");
fprintf(base_yyout, "{ ECPGdisconnect(__LINE__, %s);",
$1 ? $1 : "\"CURRENT\"");
whenever_action(2);
free($1);
}
| ECPGExecuteImmediateStmt { output_statement($1, 0, ECPGst_exec_immediate); }
| ECPGFree
{
const char *con = connection ? connection : "NULL";
if (strcmp($1, "all") == 0)
fprintf(base_yyout, "{ ECPGdeallocate_all(__LINE__, %d, %s);", compat, con);
else if ($1[0] == ':')
fprintf(base_yyout, "{ ECPGdeallocate(__LINE__, %d, %s, %s);", compat, con, $1+1);
else
fprintf(base_yyout, "{ ECPGdeallocate(__LINE__, %d, %s, \"%s\");", compat, con, $1);
whenever_action(2);
free($1);
}
| ECPGGetDescriptor
{
lookup_descriptor($1.name, connection);
output_get_descr($1.name, $1.str);
free($1.name);
free($1.str);
}
| ECPGGetDescriptorHeader
{
lookup_descriptor($1, connection);
output_get_descr_header($1);
free($1);
}
| ECPGOpen
{
struct cursor *ptr;
if ((ptr = add_additional_variables($1, true)) != NULL)
{
connection = ptr->connection ? mm_strdup(ptr->connection) : NULL;
output_statement(mm_strdup(ptr->command), 0, ECPGst_normal);
ptr->opened = true;
}
}
| ECPGSetAutocommit
{
fprintf(base_yyout, "{ ECPGsetcommit(__LINE__, \"%s\", %s);", $1, connection ? connection : "NULL");
whenever_action(2);
free($1);
}
| ECPGSetConnection
{
if (connection)
mmerror(PARSE_ERROR, ET_ERROR, "AT option not allowed in SET CONNECTION statement");
fprintf(base_yyout, "{ ECPGsetconn(__LINE__, %s);", $1);
whenever_action(2);
free($1);
}
| ECPGSetDescriptor
{
lookup_descriptor($1.name, connection);
output_set_descr($1.name, $1.str);
free($1.name);
free($1.str);
}
| ECPGSetDescriptorHeader
{
lookup_descriptor($1, connection);
output_set_descr_header($1);
free($1);
}
| ECPGTypedef
{
if (connection)
mmerror(PARSE_ERROR, ET_ERROR, "AT option not allowed in TYPE statement");
fprintf(base_yyout, "%s", $1);
free($1);
output_line_number();
}
| ECPGVar
{
if (connection)
mmerror(PARSE_ERROR, ET_ERROR, "AT option not allowed in VAR statement");
output_simple_statement($1, 0);
}
| ECPGWhenever
{
if (connection)
mmerror(PARSE_ERROR, ET_ERROR, "AT option not allowed in WHENEVER statement");
output_simple_statement($1, 0);
}
ECPG: where_or_current_clauseWHERECURRENT_POFcursor_name block
{
char *cursor_marker = $4[0] == ':' ? mm_strdup("$0") : $4;
$$ = cat_str(2,mm_strdup("where current of"), cursor_marker);
}
ECPG: CopyStmtCOPYopt_binaryqualified_nameopt_column_listcopy_fromopt_programcopy_file_namecopy_delimiteropt_withcopy_optionswhere_clause addon
if (strcmp($6, "from") == 0 &&
(strcmp($7, "stdin") == 0 || strcmp($7, "stdout") == 0))
mmerror(PARSE_ERROR, ET_WARNING, "COPY FROM STDIN is not implemented");
ECPG: var_valueNumericOnly addon
if ($1[0] == '$')
{
free($1);
$1 = mm_strdup("$0");
}
ECPG: fetch_argscursor_name addon
struct cursor *ptr = add_additional_variables($1, false);
if (ptr -> connection)
connection = mm_strdup(ptr -> connection);
if ($1[0] == ':')
{
free($1);
$1 = mm_strdup("$0");
}
ECPG: fetch_argsfrom_incursor_name addon
struct cursor *ptr = add_additional_variables($2, false);
if (ptr -> connection)
connection = mm_strdup(ptr -> connection);
if ($2[0] == ':')
{
free($2);
$2 = mm_strdup("$0");
}
ECPG: fetch_argsNEXTopt_from_incursor_name addon
ECPG: fetch_argsPRIORopt_from_incursor_name addon
ECPG: fetch_argsFIRST_Popt_from_incursor_name addon
ECPG: fetch_argsLAST_Popt_from_incursor_name addon
ECPG: fetch_argsALLopt_from_incursor_name addon
struct cursor *ptr = add_additional_variables($3, false);
if (ptr -> connection)
connection = mm_strdup(ptr -> connection);
if ($3[0] == ':')
{
free($3);
$3 = mm_strdup("$0");
}
ECPG: fetch_argsSignedIconstopt_from_incursor_name addon
struct cursor *ptr = add_additional_variables($3, false);
if (ptr -> connection)
connection = mm_strdup(ptr -> connection);
if ($3[0] == ':')
{
free($3);
$3 = mm_strdup("$0");
}
if ($1[0] == '$')
{
free($1);
$1 = mm_strdup("$0");
}
ECPG: fetch_argsFORWARDALLopt_from_incursor_name addon
ECPG: fetch_argsBACKWARDALLopt_from_incursor_name addon
struct cursor *ptr = add_additional_variables($4, false);
if (ptr -> connection)
connection = mm_strdup(ptr -> connection);
if ($4[0] == ':')
{
free($4);
$4 = mm_strdup("$0");
}
ECPG: fetch_argsABSOLUTE_PSignedIconstopt_from_incursor_name addon
ECPG: fetch_argsRELATIVE_PSignedIconstopt_from_incursor_name addon
ECPG: fetch_argsFORWARDSignedIconstopt_from_incursor_name addon
ECPG: fetch_argsBACKWARDSignedIconstopt_from_incursor_name addon
struct cursor *ptr = add_additional_variables($4, false);
if (ptr -> connection)
connection = mm_strdup(ptr -> connection);
if ($4[0] == ':')
{
free($4);
$4 = mm_strdup("$0");
}
if ($2[0] == '$')
{
free($2);
$2 = mm_strdup("$0");
}
ECPG: cursor_namename rule
| char_civar
{
char *curname = mm_alloc(strlen($1) + 2);
sprintf(curname, ":%s", $1);
free($1);
$1 = curname;
$$ = $1;
}
ECPG: ExplainableStmtExecuteStmt block
{
$$ = $1.name;
}
ECPG: PrepareStmtPREPAREprepared_nameprep_type_clauseASPreparableStmt block
{
$$.name = $2;
$$.type = $3;
$$.stmt = $5;
}
| PREPARE prepared_name FROM execstring
{
$$.name = $2;
$$.type = NULL;
$$.stmt = $4;
}
ECPG: ExecuteStmtEXECUTEprepared_nameexecute_param_clauseexecute_rest block
{
$$.name = $2;
$$.type = $3;
}
ECPG: ExecuteStmtCREATEOptTempTABLEcreate_as_targetASEXECUTEprepared_nameexecute_param_clauseopt_with_dataexecute_rest block
{
$$.name = cat_str(8,mm_strdup("create"),$2,mm_strdup("table"),$4,mm_strdup("as execute"),$7,$8,$9);
}
ECPG: ExecuteStmtCREATEOptTempTABLEIF_PNOTEXISTScreate_as_targetASEXECUTEprepared_nameexecute_param_clauseopt_with_dataexecute_rest block
{
$$.name = cat_str(8,mm_strdup("create"),$2,mm_strdup("table if not exists"),$7,mm_strdup("as execute"),$10,$11,$12);
}
ECPG: DeclareCursorStmtDECLAREcursor_namecursor_optionsCURSORopt_holdFORSelectStmt block
{
struct cursor *ptr, *this;
char *cursor_marker = $2[0] == ':' ? mm_strdup("$0") : mm_strdup($2);
char *comment, *c1, *c2;
int (* strcmp_fn)(const char *, const char *) = (($2[0] == ':' || $2[0] == '"') ? strcmp : pg_strcasecmp);
if (INFORMIX_MODE && pg_strcasecmp($2, "database") == 0)
mmfatal(PARSE_ERROR, "\"database\" cannot be used as cursor name in INFORMIX mode");
for (ptr = cur; ptr != NULL; ptr = ptr->next)
{
if (strcmp_fn($2, ptr->name) == 0)
{
if ($2[0] == ':')
mmerror(PARSE_ERROR, ET_ERROR, "using variable \"%s\" in different declare statements is not supported", $2+1);
else
mmerror(PARSE_ERROR, ET_ERROR, "cursor \"%s\" is already defined", $2);
}
}
this = (struct cursor *) mm_alloc(sizeof(struct cursor));
this->next = cur;
this->name = $2;
this->function = (current_function ? mm_strdup(current_function) : NULL);
this->connection = connection ? mm_strdup(connection) : NULL;
this->opened = false;
this->command = cat_str(7, mm_strdup("declare"), cursor_marker, $3, mm_strdup("cursor"), $5, mm_strdup("for"), $7);
this->argsinsert = argsinsert;
this->argsinsert_oos = NULL;
this->argsresult = argsresult;
this->argsresult_oos = NULL;
argsinsert = argsresult = NULL;
cur = this;
c1 = mm_strdup(this->command);
if ((c2 = strstr(c1, "*/")) != NULL)
{
/* We put this text into a comment, so we better remove [*][/]. */
c2[0] = '.';
c2[1] = '.';
}
comment = cat_str(3, mm_strdup("/*"), c1, mm_strdup("*/"));
$$ = cat2_str(adjust_outofscope_cursor_vars(this), comment);
}
ECPG: ClosePortalStmtCLOSEcursor_name block
{
char *cursor_marker = $2[0] == ':' ? mm_strdup("$0") : $2;
struct cursor *ptr = NULL;
for (ptr = cur; ptr != NULL; ptr = ptr -> next)
{
if (strcmp($2, ptr -> name) == 0)
{
if (ptr -> connection)
connection = mm_strdup(ptr -> connection);
break;
}
}
$$ = cat2_str(mm_strdup("close"), cursor_marker);
}
ECPG: opt_hold block
{
if (compat == ECPG_COMPAT_INFORMIX_SE && autocommit)
$$ = mm_strdup("with hold");
else
$$ = EMPTY;
}
ECPG: into_clauseINTOOptTempTableName block
{
FoundInto = 1;
$$= cat2_str(mm_strdup("into"), $2);
}
| ecpg_into { $$ = EMPTY; }
ECPG: TypenameSimpleTypenameopt_array_bounds block
{ $$ = cat2_str($1, $2.str); }
ECPG: TypenameSETOFSimpleTypenameopt_array_bounds block
{ $$ = cat_str(3, mm_strdup("setof"), $2, $3.str); }
ECPG: opt_array_boundsopt_array_bounds'['']' block
{
$$.index1 = $1.index1;
$$.index2 = $1.index2;
if (strcmp($$.index1, "-1") == 0)
$$.index1 = mm_strdup("0");
else if (strcmp($1.index2, "-1") == 0)
$$.index2 = mm_strdup("0");
$$.str = cat_str(2, $1.str, mm_strdup("[]"));
}
| opt_array_bounds '[' Iresult ']'
{
$$.index1 = $1.index1;
$$.index2 = $1.index2;
if (strcmp($1.index1, "-1") == 0)
$$.index1 = mm_strdup($3);
else if (strcmp($1.index2, "-1") == 0)
$$.index2 = mm_strdup($3);
$$.str = cat_str(4, $1.str, mm_strdup("["), $3, mm_strdup("]"));
}
ECPG: opt_array_bounds
{
$$.index1 = mm_strdup("-1");
$$.index2 = mm_strdup("-1");
$$.str= EMPTY;
}
ECPG: IconstICONST block
{ $$ = make_name(); }
ECPG: AexprConstNULL_P rule
| civar { $$ = $1; }
| civarind { $$ = $1; }
ECPG: ColIdcol_name_keyword rule
| ECPGKeywords { $$ = $1; }
| ECPGCKeywords { $$ = $1; }
| CHAR_P { $$ = mm_strdup("char"); }
| VALUES { $$ = mm_strdup("values"); }
ECPG: type_function_nametype_func_name_keyword rule
| ECPGKeywords { $$ = $1; }
| ECPGTypeName { $$ = $1; }
| ECPGCKeywords { $$ = $1; }
ECPG: VariableShowStmtSHOWALL block
{
mmerror(PARSE_ERROR, ET_ERROR, "SHOW ALL is not implemented");
$$ = EMPTY;
}
ECPG: FetchStmtMOVEfetch_args rule
| FETCH fetch_args ecpg_fetch_into
{
$$ = cat2_str(mm_strdup("fetch"), $2);
}
| FETCH FORWARD cursor_name opt_ecpg_fetch_into
{
char *cursor_marker = $3[0] == ':' ? mm_strdup("$0") : $3;
struct cursor *ptr = add_additional_variables($3, false);
if (ptr -> connection)
connection = mm_strdup(ptr -> connection);
$$ = cat_str(2, mm_strdup("fetch forward"), cursor_marker);
}
| FETCH FORWARD from_in cursor_name opt_ecpg_fetch_into
{
char *cursor_marker = $4[0] == ':' ? mm_strdup("$0") : $4;
struct cursor *ptr = add_additional_variables($4, false);
if (ptr -> connection)
connection = mm_strdup(ptr -> connection);
$$ = cat_str(2, mm_strdup("fetch forward from"), cursor_marker);
}
| FETCH BACKWARD cursor_name opt_ecpg_fetch_into
{
char *cursor_marker = $3[0] == ':' ? mm_strdup("$0") : $3;
struct cursor *ptr = add_additional_variables($3, false);
if (ptr -> connection)
connection = mm_strdup(ptr -> connection);
$$ = cat_str(2, mm_strdup("fetch backward"), cursor_marker);
}
| FETCH BACKWARD from_in cursor_name opt_ecpg_fetch_into
{
char *cursor_marker = $4[0] == ':' ? mm_strdup("$0") : $4;
struct cursor *ptr = add_additional_variables($4, false);
if (ptr -> connection)
connection = mm_strdup(ptr -> connection);
$$ = cat_str(2, mm_strdup("fetch backward from"), cursor_marker);
}
| MOVE FORWARD cursor_name
{
char *cursor_marker = $3[0] == ':' ? mm_strdup("$0") : $3;
struct cursor *ptr = add_additional_variables($3, false);
if (ptr -> connection)
connection = mm_strdup(ptr -> connection);
$$ = cat_str(2, mm_strdup("move forward"), cursor_marker);
}
| MOVE FORWARD from_in cursor_name
{
char *cursor_marker = $4[0] == ':' ? mm_strdup("$0") : $4;
struct cursor *ptr = add_additional_variables($4, false);
if (ptr -> connection)
connection = mm_strdup(ptr -> connection);
$$ = cat_str(2, mm_strdup("move forward from"), cursor_marker);
}
| MOVE BACKWARD cursor_name
{
char *cursor_marker = $3[0] == ':' ? mm_strdup("$0") : $3;
struct cursor *ptr = add_additional_variables($3, false);
if (ptr -> connection)
connection = mm_strdup(ptr -> connection);
$$ = cat_str(2, mm_strdup("move backward"), cursor_marker);
}
| MOVE BACKWARD from_in cursor_name
{
char *cursor_marker = $4[0] == ':' ? mm_strdup("$0") : $4;
struct cursor *ptr = add_additional_variables($4, false);
if (ptr -> connection)
connection = mm_strdup(ptr -> connection);
$$ = cat_str(2, mm_strdup("move backward from"), cursor_marker);
}
ECPG: limit_clauseLIMITselect_limit_value','select_offset_value block
{
mmerror(PARSE_ERROR, ET_WARNING, "no longer supported LIMIT #,# syntax passed to server");
$$ = cat_str(4, mm_strdup("limit"), $2, mm_strdup(","), $4);
}
ECPG: SignedIconstIconst rule
| civar { $$ = $1; }