mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-12-09 08:10:09 +08:00
Format to match standard conventions
This commit is contained in:
Bruce Momjian
parent
b54073ea4c
commit
4ea081e94f
@ -4,7 +4,7 @@
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* procedural language
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/pl/plpgsql/src/gram.y,v 1.14 2001/02/10 22:42:01 momjian Exp $
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* $Header: /cvsroot/pgsql/src/pl/plpgsql/src/gram.y,v 1.15 2001/02/10 22:53:40 momjian Exp $
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*
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* This software is copyrighted by Jan Wieck - Hamburg.
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*
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@ -54,20 +54,24 @@ static PLpgSQL_expr *make_tupret_expr(PLpgSQL_row *row);
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%union {
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int32 ival;
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char *str;
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struct {
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struct
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{
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char *name;
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int lineno;
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} varname;
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struct {
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struct
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{
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int nalloc;
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int nused;
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int *dtnums;
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} dtlist;
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struct {
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struct
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{
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int reverse;
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PLpgSQL_expr *expr;
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} forilow;
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struct {
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struct
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{
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char *label;
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int n_initvars;
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int *initvarnos;
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@ -256,11 +260,10 @@ decl_sect : opt_label
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| opt_label decl_start decl_stmts
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{
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plpgsql_ns_setlocal(false);
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if ($3 != NULL) {
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if ($3 != NULL)
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$$.label = $3;
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} else {
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else
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$$.label = $1;
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}
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$$.n_initvars = plpgsql_add_initdatums(&($$.initvarnos));
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}
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;
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@ -272,27 +275,17 @@ decl_start : K_DECLARE
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;
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decl_stmts : decl_stmts decl_stmt
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{
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$$ = $2;
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}
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{ $$ = $2; }
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| decl_stmt
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{
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$$ = $1;
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}
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{ $$ = $1; }
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;
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decl_stmt : '<' '<' opt_lblname '>' '>'
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{
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$$ = $3;
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}
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{ $$ = $3; }
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| K_DECLARE
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{
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$$ = NULL;
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}
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{ $$ = NULL; }
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| decl_statement
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{
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$$ = NULL;
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}
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{ $$ = NULL; }
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;
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decl_statement : decl_varname decl_const decl_datatype decl_notnull decl_defval
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@ -356,13 +349,11 @@ decl_aliasitem : T_WORD
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plpgsql_ns_setlocal(false);
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name = plpgsql_tolower(yytext);
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if (name[0] != '$') {
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if (name[0] != '$')
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elog(ERROR, "can only alias positional parameters");
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}
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nsi = plpgsql_ns_lookup(name, NULL);
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if (nsi == NULL) {
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if (nsi == NULL)
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elog(ERROR, "function has no parameter %s", name);
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}
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plpgsql_ns_setlocal(true);
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@ -378,15 +369,15 @@ decl_rowtype : T_ROW
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decl_varname : T_WORD
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{
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/* name should be malloc'd for use as varname */
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$$.name = strdup(plpgsql_tolower(yytext));
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$$.lineno = yylineno;
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/* name should be malloc'd for use as varname */
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$$.name = strdup(plpgsql_tolower(yytext));
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$$.lineno = yylineno;
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}
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;
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decl_renname : T_WORD
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{
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/* the result must be palloc'd, see plpgsql_ns_rename */
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/* the result must be palloc'd, see plpgsql_ns_rename */
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$$ = plpgsql_tolower(yytext);
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}
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;
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@ -398,21 +389,19 @@ decl_const :
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;
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decl_datatype : decl_dtypename
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{
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$$ = $1;
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}
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{ $$ = $1; }
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;
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decl_dtypename : T_DTYPE
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{
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$$ = yylval.dtype;
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}
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{ $$ = yylval.dtype; }
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| T_CHAR decl_atttypmod
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{
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if ($2 < 0) {
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if ($2 < 0)
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{
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plpgsql_parse_word("char");
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$$ = yylval.dtype;
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} else {
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} else
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{
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plpgsql_parse_word("bpchar");
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$$ = yylval.dtype;
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$$->atttypmod = $2;
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@ -433,13 +422,9 @@ decl_dtypename : T_DTYPE
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;
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decl_atttypmod :
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{
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$$ = -1;
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}
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{ $$ = -1; }
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| '(' decl_atttypmodval ')'
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{
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$$ = $2;
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}
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{ $$ = $2; }
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;
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decl_atttypmodval : T_NUMBER
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@ -473,13 +458,15 @@ decl_defval : ';'
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expr->nparams = 0;
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tok = yylex();
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switch (tok) {
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switch (tok)
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{
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case 0:
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plpgsql_error_lineno = lno;
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plpgsql_comperrinfo();
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elog(ERROR, "unexpected end of file");
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case K_NULL:
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if (yylex() != ';') {
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if (yylex() != ';')
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{
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plpgsql_error_lineno = lno;
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plpgsql_comperrinfo();
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elog(ERROR, "expectec ; after NULL");
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@ -492,15 +479,16 @@ decl_defval : ';'
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default:
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plpgsql_dstring_append(&ds, yytext);
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while ((tok = yylex()) != ';') {
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if (tok == 0) {
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while ((tok = yylex()) != ';')
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{
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if (tok == 0)
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{
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plpgsql_error_lineno = lno;
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plpgsql_comperrinfo();
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elog(ERROR, "unterminated default value");
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}
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if (plpgsql_SpaceScanned) {
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if (plpgsql_SpaceScanned)
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plpgsql_dstring_append(&ds, " ");
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}
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plpgsql_dstring_append(&ds, yytext);
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}
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expr->query = strdup(plpgsql_dstring_get(&ds));
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@ -516,17 +504,15 @@ decl_defkey : K_ASSIGN
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| K_DEFAULT
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proc_sect :
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{
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PLpgSQL_stmts *new;
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{
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PLpgSQL_stmts *new;
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new = malloc(sizeof(PLpgSQL_stmts));
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memset(new, 0, sizeof(PLpgSQL_stmts));
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$$ = new;
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}
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new = malloc(sizeof(PLpgSQL_stmts));
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memset(new, 0, sizeof(PLpgSQL_stmts));
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$$ = new;
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}
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| proc_stmts
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{
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$$ = $1;
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}
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{ $$ = $1; }
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;
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proc_stmts : proc_stmts proc_stmt
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@ -637,7 +623,8 @@ stmt_getdiag : K_GET K_DIAGNOSTICS lno K_SELECT getdiag_items K_INTO getdiag_tar
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memcpy(new->items, $5.dtnums, sizeof(int) * $5.nused);
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memcpy(new->targets, $7.dtnums, sizeof(int) * $7.nused);
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if (new->nitems != new->ntargets) {
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if (new->nitems != new->ntargets)
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{
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plpgsql_error_lineno = new->lineno;
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plpgsql_comperrinfo();
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elog(ERROR, "number of diagnostic items does not match target list");
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@ -649,7 +636,8 @@ stmt_getdiag : K_GET K_DIAGNOSTICS lno K_SELECT getdiag_items K_INTO getdiag_tar
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getdiag_items : getdiag_items ',' getdiag_item
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{
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if ($1.nused == $1.nalloc) {
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if ($1.nused == $1.nalloc)
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{
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$1.nalloc *= 2;
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$1.dtnums = repalloc($1.dtnums, sizeof(int) * $1.nalloc);
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}
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@ -680,7 +668,8 @@ getdiag_item : K_PROCESSED
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getdiag_targets : getdiag_targets ',' getdiag_target
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{
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if ($1.nused == $1.nalloc) {
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if ($1.nused == $1.nalloc)
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{
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$1.nalloc *= 2;
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$1.dtnums = repalloc($1.dtnums, sizeof(int) * $1.nalloc);
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}
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@ -702,7 +691,8 @@ getdiag_targets : getdiag_targets ',' getdiag_target
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getdiag_target : T_VARIABLE
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{
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if (yylval.var->isconst) {
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if (yylval.var->isconst)
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{
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plpgsql_comperrinfo();
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elog(ERROR, "%s is declared CONSTANT; can not receive diagnostics", yylval.var->refname);
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}
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@ -717,7 +707,8 @@ getdiag_target : T_VARIABLE
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assign_var : T_VARIABLE
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{
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if (yylval.var->isconst) {
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if (yylval.var->isconst)
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{
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plpgsql_comperrinfo();
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elog(ERROR, "%s is declared CONSTANT", yylval.var->refname);
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}
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@ -747,15 +738,15 @@ stmt_if : K_IF lno expr_until_then proc_sect stmt_else K_END K_IF ';'
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;
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stmt_else :
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{
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PLpgSQL_stmts *new;
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{
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PLpgSQL_stmts *new;
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new = malloc(sizeof(PLpgSQL_stmts));
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memset(new, 0, sizeof(PLpgSQL_stmts));
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$$ = new;
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}
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new = malloc(sizeof(PLpgSQL_stmts));
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memset(new, 0, sizeof(PLpgSQL_stmts));
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$$ = new;
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}
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| K_ELSE proc_sect
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{ $$ = $2; }
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{ $$ = $2; }
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;
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stmt_loop : opt_label K_LOOP lno loop_body
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@ -872,19 +863,22 @@ fori_lower :
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plpgsql_dstring_append(&ds, "SELECT ");
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$$.reverse = 0;
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while((tok = yylex()) != K_DOTDOT) {
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if (firsttok) {
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while((tok = yylex()) != K_DOTDOT)
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{
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if (firsttok)
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{
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firsttok = 0;
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if (tok == K_REVERSE) {
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if (tok == K_REVERSE)
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{
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$$.reverse = 1;
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continue;
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}
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}
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if (tok == ';') break;
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if (plpgsql_SpaceScanned) {
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if (plpgsql_SpaceScanned)
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plpgsql_dstring_append(&ds, " ");
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}
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switch (tok) {
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switch (tok)
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{
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case T_VARIABLE:
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params[nparams] = yylval.var->varno;
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sprintf(buf, " $%d ", ++nparams);
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@ -904,7 +898,8 @@ fori_lower :
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break;
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default:
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if (tok == 0) {
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if (tok == 0)
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{
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plpgsql_error_lineno = lno;
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plpgsql_comperrinfo();
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elog(ERROR, "missing .. to terminate lower bound of for loop");
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@ -919,9 +914,8 @@ fori_lower :
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expr->query = strdup(plpgsql_dstring_get(&ds));
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expr->plan = NULL;
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expr->nparams = nparams;
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while(nparams-- > 0) {
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while(nparams-- > 0)
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expr->params[nparams] = params[nparams];
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}
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plpgsql_dstring_free(&ds);
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$$.expr = expr;
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}
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@ -936,7 +930,8 @@ stmt_fors : opt_label K_FOR lno fors_target K_IN K_SELECT expr_until_loop loop_
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new->cmd_type = PLPGSQL_STMT_FORS;
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new->lineno = $3;
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new->label = $1;
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switch ($4->dtype) {
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switch ($4->dtype)
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{
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case PLPGSQL_DTYPE_REC:
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new->rec = $4;
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break;
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@ -965,7 +960,8 @@ stmt_dynfors : opt_label K_FOR lno fors_target K_IN K_EXECUTE expr_until_loop lo
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new->cmd_type = PLPGSQL_STMT_DYNFORS;
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new->lineno = $3;
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new->label = $1;
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switch ($4->dtype) {
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switch ($4->dtype)
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{
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case PLPGSQL_DTYPE_REC:
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new->rec = $4;
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break;
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@ -985,9 +981,7 @@ stmt_dynfors : opt_label K_FOR lno fors_target K_IN K_EXECUTE expr_until_loop lo
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}
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fors_target : T_RECORD
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{
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$$ = yylval.rec;
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}
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{ $$ = yylval.rec; }
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| T_ROW
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{
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$$ = (PLpgSQL_rec *)(yylval.row);
|
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@ -1026,10 +1020,12 @@ stmt_return : K_RETURN lno
|
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new = malloc(sizeof(PLpgSQL_stmt_return));
|
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memset(new, 0, sizeof(PLpgSQL_stmt_return));
|
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|
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if (plpgsql_curr_compile->fn_retistuple) {
|
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if (plpgsql_curr_compile->fn_retistuple)
|
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{
|
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new->retistuple = true;
|
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new->retrecno = -1;
|
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switch (tok = yylex()) {
|
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switch (tok = yylex())
|
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{
|
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case K_NULL:
|
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expr = NULL;
|
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break;
|
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@ -1047,9 +1043,8 @@ stmt_return : K_RETURN lno
|
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yyerror("return type mismatch in function returning table row");
|
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break;
|
||||
}
|
||||
if (yylex() != ';') {
|
||||
if (yylex() != ';')
|
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yyerror("expected ';'");
|
||||
}
|
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} else {
|
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new->retistuple = false;
|
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expr = plpgsql_read_expression(';', ";");
|
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@ -1118,7 +1113,8 @@ raise_level : K_EXCEPTION
|
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|
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raise_params : raise_params raise_param
|
||||
{
|
||||
if ($1.nused == $1.nalloc) {
|
||||
if ($1.nused == $1.nalloc)
|
||||
{
|
||||
$1.nalloc *= 2;
|
||||
$1.dtnums = repalloc($1.dtnums, sizeof(int) * $1.nalloc);
|
||||
}
|
||||
@ -1263,12 +1259,13 @@ read_sqlstmt (int until, char *s, char *sqlstart)
|
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plpgsql_dstring_init(&ds);
|
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plpgsql_dstring_append(&ds, sqlstart);
|
||||
|
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while((tok = yylex()) != until) {
|
||||
while((tok = yylex()) != until)
|
||||
{
|
||||
if (tok == ';') break;
|
||||
if (plpgsql_SpaceScanned) {
|
||||
if (plpgsql_SpaceScanned)
|
||||
plpgsql_dstring_append(&ds, " ");
|
||||
}
|
||||
switch (tok) {
|
||||
switch (tok)
|
||||
{
|
||||
case T_VARIABLE:
|
||||
params[nparams] = yylval.var->varno;
|
||||
sprintf(buf, " $%d ", ++nparams);
|
||||
@ -1288,7 +1285,8 @@ read_sqlstmt (int until, char *s, char *sqlstart)
|
||||
break;
|
||||
|
||||
default:
|
||||
if (tok == 0) {
|
||||
if (tok == 0)
|
||||
{
|
||||
plpgsql_error_lineno = lno;
|
||||
plpgsql_comperrinfo();
|
||||
elog(ERROR, "missing %s at end of SQL statement", s);
|
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@ -1303,9 +1301,8 @@ read_sqlstmt (int until, char *s, char *sqlstart)
|
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expr->query = strdup(plpgsql_dstring_get(&ds));
|
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expr->plan = NULL;
|
||||
expr->nparams = nparams;
|
||||
while(nparams-- > 0) {
|
||||
while(nparams-- > 0)
|
||||
expr->params[nparams] = params[nparams];
|
||||
}
|
||||
plpgsql_dstring_free(&ds);
|
||||
|
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return expr;
|
||||
@ -1331,8 +1328,10 @@ make_select_stmt()
|
||||
plpgsql_dstring_init(&ds);
|
||||
plpgsql_dstring_append(&ds, "SELECT ");
|
||||
|
||||
while((tok = yylex()) != K_INTO) {
|
||||
if (tok == ';') {
|
||||
while((tok = yylex()) != K_INTO)
|
||||
{
|
||||
if (tok == ';')
|
||||
{
|
||||
PLpgSQL_stmt_execsql *execsql;
|
||||
|
||||
expr = malloc(sizeof(PLpgSQL_expr) + sizeof(int) * nparams - 1);
|
||||
@ -1340,9 +1339,8 @@ make_select_stmt()
|
||||
expr->query = strdup(plpgsql_dstring_get(&ds));
|
||||
expr->plan = NULL;
|
||||
expr->nparams = nparams;
|
||||
while(nparams-- > 0) {
|
||||
while(nparams-- > 0)
|
||||
expr->params[nparams] = params[nparams];
|
||||
}
|
||||
plpgsql_dstring_free(&ds);
|
||||
|
||||
execsql = malloc(sizeof(PLpgSQL_stmt_execsql));
|
||||
@ -1352,10 +1350,10 @@ make_select_stmt()
|
||||
return (PLpgSQL_stmt *)execsql;
|
||||
}
|
||||
|
||||
if (plpgsql_SpaceScanned) {
|
||||
if (plpgsql_SpaceScanned)
|
||||
plpgsql_dstring_append(&ds, " ");
|
||||
}
|
||||
switch (tok) {
|
||||
switch (tok)
|
||||
{
|
||||
case T_VARIABLE:
|
||||
params[nparams] = yylval.var->varno;
|
||||
sprintf(buf, " $%d ", ++nparams);
|
||||
@ -1375,7 +1373,8 @@ make_select_stmt()
|
||||
break;
|
||||
|
||||
default:
|
||||
if (tok == 0) {
|
||||
if (tok == 0)
|
||||
{
|
||||
plpgsql_error_lineno = yylineno;
|
||||
plpgsql_comperrinfo();
|
||||
elog(ERROR, "unexpected end of file");
|
||||
@ -1386,7 +1385,8 @@ make_select_stmt()
|
||||
}
|
||||
|
||||
tok = yylex();
|
||||
switch (tok) {
|
||||
switch (tok)
|
||||
{
|
||||
case T_ROW:
|
||||
row = yylval.row;
|
||||
break;
|
||||
@ -1404,7 +1404,8 @@ make_select_stmt()
|
||||
char *fieldnames[1024];
|
||||
int varnos[1024];
|
||||
|
||||
switch (tok) {
|
||||
switch (tok)
|
||||
{
|
||||
case T_VARIABLE:
|
||||
var = yylval.var;
|
||||
fieldnames[0] = strdup(yytext);
|
||||
@ -1418,9 +1419,11 @@ make_select_stmt()
|
||||
break;
|
||||
}
|
||||
|
||||
while ((tok = yylex()) == ',') {
|
||||
while ((tok = yylex()) == ',')
|
||||
{
|
||||
tok = yylex();
|
||||
switch(tok) {
|
||||
switch(tok)
|
||||
{
|
||||
case T_VARIABLE:
|
||||
var = yylval.var;
|
||||
fieldnames[nfields] = strdup(yytext);
|
||||
@ -1445,7 +1448,8 @@ make_select_stmt()
|
||||
row->nfields = nfields;
|
||||
row->fieldnames = malloc(sizeof(char *) * nfields);
|
||||
row->varnos = malloc(sizeof(int) * nfields);
|
||||
while (--nfields >= 0) {
|
||||
while (--nfields >= 0)
|
||||
{
|
||||
row->fieldnames[nfields] = fieldnames[nfields];
|
||||
row->varnos[nfields] = varnos[nfields];
|
||||
}
|
||||
@ -1458,14 +1462,15 @@ make_select_stmt()
|
||||
|
||||
default:
|
||||
{
|
||||
if (plpgsql_SpaceScanned) {
|
||||
if (plpgsql_SpaceScanned)
|
||||
plpgsql_dstring_append(&ds, " ");
|
||||
}
|
||||
plpgsql_dstring_append(&ds, yytext);
|
||||
|
||||
while(1) {
|
||||
while(1)
|
||||
{
|
||||
tok = yylex();
|
||||
if (tok == ';') {
|
||||
if (tok == ';')
|
||||
{
|
||||
PLpgSQL_stmt_execsql *execsql;
|
||||
|
||||
expr = malloc(sizeof(PLpgSQL_expr) + sizeof(int) * nparams - 1);
|
||||
@ -1485,10 +1490,10 @@ make_select_stmt()
|
||||
return (PLpgSQL_stmt *)execsql;
|
||||
}
|
||||
|
||||
if (plpgsql_SpaceScanned) {
|
||||
if (plpgsql_SpaceScanned)
|
||||
plpgsql_dstring_append(&ds, " ");
|
||||
}
|
||||
switch (tok) {
|
||||
switch (tok)
|
||||
{
|
||||
case T_VARIABLE:
|
||||
params[nparams] = yylval.var->varno;
|
||||
sprintf(buf, " $%d ", ++nparams);
|
||||
@ -1508,7 +1513,8 @@ make_select_stmt()
|
||||
break;
|
||||
|
||||
default:
|
||||
if (tok == 0) {
|
||||
if (tok == 0)
|
||||
{
|
||||
plpgsql_error_lineno = yylineno;
|
||||
plpgsql_comperrinfo();
|
||||
elog(ERROR, "unexpected end of file");
|
||||
@ -1523,7 +1529,8 @@ make_select_stmt()
|
||||
/************************************************************
|
||||
* Eat up the rest of the statement after the target fields
|
||||
************************************************************/
|
||||
while(1) {
|
||||
while(1)
|
||||
{
|
||||
if (!have_nexttok) {
|
||||
tok = yylex();
|
||||
}
|
||||
@ -1532,10 +1539,10 @@ make_select_stmt()
|
||||
break;
|
||||
}
|
||||
|
||||
if (plpgsql_SpaceScanned) {
|
||||
if (plpgsql_SpaceScanned)
|
||||
plpgsql_dstring_append(&ds, " ");
|
||||
}
|
||||
switch (tok) {
|
||||
switch (tok)
|
||||
{
|
||||
case T_VARIABLE:
|
||||
params[nparams] = yylval.var->varno;
|
||||
sprintf(buf, " $%d ", ++nparams);
|
||||
@ -1555,7 +1562,8 @@ make_select_stmt()
|
||||
break;
|
||||
|
||||
default:
|
||||
if (tok == 0) {
|
||||
if (tok == 0)
|
||||
{
|
||||
plpgsql_error_lineno = yylineno;
|
||||
plpgsql_comperrinfo();
|
||||
elog(ERROR, "unexpected end of file");
|
||||
@ -1570,9 +1578,8 @@ make_select_stmt()
|
||||
expr->query = strdup(plpgsql_dstring_get(&ds));
|
||||
expr->plan = NULL;
|
||||
expr->nparams = nparams;
|
||||
while(nparams-- > 0) {
|
||||
while(nparams-- > 0)
|
||||
expr->params[nparams] = params[nparams];
|
||||
}
|
||||
plpgsql_dstring_free(&ds);
|
||||
|
||||
select = malloc(sizeof(PLpgSQL_stmt_select));
|
||||
@ -1600,7 +1607,8 @@ make_tupret_expr(PLpgSQL_row *row)
|
||||
plpgsql_dstring_init(&ds);
|
||||
plpgsql_dstring_append(&ds, "SELECT ");
|
||||
|
||||
for (i = 0; i < row->nfields; i++) {
|
||||
for (i = 0; i < row->nfields; i++)
|
||||
{
|
||||
sprintf(buf, "%s$%d", (i > 0) ? "," : "", i + 1);
|
||||
plpgsql_dstring_append(&ds, buf);
|
||||
expr->params[i] = row->varnos[i];
|
||||
|
||||
Loading…
Reference in New Issue
Block a user