--- parser3/src/classes/void.C	2007/02/03 18:08:38	1.37
+++ parser3/src/classes/void.C	2008/09/04 13:15:36	1.41
@@ -5,7 +5,7 @@
 	Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
 */
 
-static const char * const IDENT_VOID_C="$Date: 2007/02/03 18:08:38 $";
+static const char * const IDENT_VOID_C="$Date: 2008/09/04 13:15:36 $";
 
 #include "classes.h"
 #include "pa_vmethod_frame.h"
@@ -44,6 +44,13 @@ static void _length(Request& r, MethodPa
 static void _pos(Request& r, MethodParams& params) {
 	// just checking for consistency
 	params.as_no_junction(0, "substr must not be code");
+	if(params.count()>1){
+		ssize_t offset=params.as_int(1, "n must be int", r);
+		if(offset<0)
+			throw Exception(PARSER_RUNTIME,
+				0, 
+				"n(%d) must be >=0", offset);
+	}
 	// never found
 	r.write_no_lang(*new VInt(-1));
 }
@@ -74,7 +81,7 @@ public:
 	bool add_column(SQL_Error& /*error*/, const char* /*str*/, size_t /*length*/) { /* ignore */ return false; }
 	bool before_rows(SQL_Error& error) {
 		// there are some result rows, which is wrong
-		error=SQL_Error("parser.runtime",
+		error=SQL_Error(PARSER_RUNTIME,
 			/*statement_string,*/
 			"must return nothing");
 		return true;
@@ -102,11 +109,11 @@ static void _sql(Request& r, MethodParam
 					bind=vbind->get_hash();
 				}
 				if(valid_options!=options->count())
-					throw Exception("parser.runtime",
+					throw Exception(PARSER_RUNTIME,
 						0,
 						"called with invalid option");
 			} else
-				throw Exception("parser.runtime",
+				throw Exception(PARSER_RUNTIME,
 					0,
 					"options must be hash");
 	}
@@ -124,7 +131,7 @@ static void _sql(Request& r, MethodParam
 	r.connection()->query(
 		statement_cstr, 
 		placeholders_count, placeholders,
-		0, 0,
+		0, SQL_NO_LIMIT,
 		handlers,
 		statement_string);
 
@@ -135,7 +142,7 @@ static void _sql(Request& r, MethodParam
 static void _left_right(Request& r, MethodParams& params) {
 	ssize_t sn=params.as_int(0, "n must be int", r);
 	if(sn<0)
-		throw Exception("parser.runtime",
+		throw Exception(PARSER_RUNTIME,
 			0, 
 			"n(%d) must be >=0", sn);
 
@@ -145,14 +152,14 @@ static void _left_right(Request& r, Meth
 static void _mid(Request& r, MethodParams& params) {
 	ssize_t sbegin=params.as_int(0, "p must be int", r);
 	if(sbegin<0)
-		throw Exception("parser.runtime",
+		throw Exception(PARSER_RUNTIME,
 			0, 
 			"p(%d) must be >=0", sbegin);
 
 	if(params.count()>1) {
 		ssize_t sn=params.as_int(1, "n must be int", r);
 		if(sn<0)
-			throw Exception("parser.runtime",
+			throw Exception(PARSER_RUNTIME,
 				0, 
 				"n(%d) must be >=0", sn);
 	}
@@ -167,7 +174,8 @@ MVoid::MVoid(): Methoded("void") {
 	add_native_method("length", Method::CT_DYNAMIC, _length, 0, 0);
 
 	// ^void.pos[substr]
-	add_native_method("pos", Method::CT_DYNAMIC, _pos, 1, 1);
+	// ^void.pos[substr](n)
+	add_native_method("pos", Method::CT_DYNAMIC, _pos, 1, 2);
 
 	// ^void.int[]
 	// ^void.int(default)
@@ -181,7 +189,7 @@ MVoid::MVoid(): Methoded("void") {
 	// ^void.bool(default)
 	add_native_method("bool", Method::CT_DYNAMIC, _bool, 0, 1);
 
-	// ^sql[query]
+	// ^void:sql{query}
 	add_native_method("sql", Method::CT_STATIC, _sql, 1, 2);
 
 	// ^void.left() ^void.right()