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better exception messages

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Adam D. Ruppe 2012-03-11 21:05:09 -04:00
parent 46ec720067
commit 0c94c232a4
1 changed files with 10 additions and 11 deletions
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21
database.d
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@ -77,14 +77,17 @@ struct Row {
package string[] row; package string[] row;
package ResultSet resultSet; package ResultSet resultSet;
string opIndex(size_t idx) { string opIndex(size_t idx, string file = __FILE__, int line = __LINE__) {
if(idx >= row.length) if(idx >= row.length)
throw new Exception(text("index ", idx, " is out of bounds on result")); throw new Exception(text("index ", idx, " is out of bounds on result"), file, line);
return row[idx]; return row[idx];
} }
string opIndex(string idx) { string opIndex(string name, string file = __FILE__, int line = __LINE__) {
return row[resultSet.getFieldIndex(idx)]; auto idx = resultSet.getFieldIndex(name);
if(idx >= row.length)
throw new Exception(text("no field ", name, " in result"), file, line);
return row[idx];
} }
string toString() { string toString() {
@ -132,11 +135,7 @@ interface ResultSet {
} }
class DatabaseException : Exception { class DatabaseException : Exception {
this(string msg) { this(string msg, string file = __FILE__, size_t line = __LINE__) {
super(msg);
}
this(string msg, string file, size_t line) {
super(msg, file, line); super(msg, file, line);
} }
} }
@ -529,9 +528,9 @@ class DataObject {
} }
string opIndex(string field) { string opIndex(string field, string file = __FILE__, size_t line = __LINE__) {
if(field !in fields) if(field !in fields)
throw new DatabaseException("No such field in data object: " ~ field); throw new DatabaseException("No such field in data object: " ~ field, file, line);
return fields[field]; return fields[field];
} }