| | 1163 | class RaiseStmt |
| | 1164 | inherits Stmt |
| | 1165 | """ |
| | 1166 | Raise an event. |
| | 1167 | |
| | 1168 | TODO: give a good error message for the case where the user is trying to raise an exception |
| | 1169 | TODO: test raising an inherited event, either from source or from binary |
| | 1170 | TODO: support missing arguments such as 'this' and 'EventArgs()' |
| | 1171 | """ |
| | 1172 | |
| | 1173 | var _name = '' |
| | 1174 | var _exprs as List<of Expr> |
| | 1175 | var _definition as BoxEvent? |
| | 1176 | |
| | 1177 | def init(token as IToken, exprs as List<of Expr>) |
| | 1178 | require exprs.count > 0 |
| | 1179 | base.init(token) |
| | 1180 | _exprs = exprs |
| | 1181 | |
| | 1182 | def addSubFields |
| | 1183 | base.addSubFields |
| | 1184 | .addField('exprs', _exprs) |
| | 1185 | |
| | 1186 | get name from var |
| | 1187 | |
| | 1188 | get exprs from var |
| | 1189 | |
| | 1190 | def _bindImp |
| | 1191 | base._bindImp |
| | 1192 | hasError = false |
| | 1193 | for expr in _exprs |
| | 1194 | try |
| | 1195 | expr.bindImp |
| | 1196 | catch ne as NodeException |
| | 1197 | .compiler.recordError(ne) |
| | 1198 | hasError = true |
| | 1199 | if not hasError |
| | 1200 | expr = _exprs[0] |
| | 1201 | if expr inherits DotExpr |
| | 1202 | right = expr.right |
| | 1203 | if right inherits IDotRightExpr |
| | 1204 | defi = (right to dynamic).definition |
| | 1205 | if defi inherits BoxEvent |
| | 1206 | _definition = defi |
| | 1207 | _name = defi.name |
| | 1208 | else |
| | 1209 | .throwError('Expecting an event to raise.') |
| | 1210 | else |
| | 1211 | assert false # should be impossible to get here since it was a dotexpr |
| | 1212 | else |
| | 1213 | .throwError('Invalid expression for raising events. Try "raise .someEvent, args" or "throw SomeException(args)".') |
| | 1214 | |
| | 1215 | def writeSharpDef(sw as SharpWriter) |
| | 1216 | base.writeSharpDef(sw) |
| | 1217 | name = Utils.capped(.name) |
| | 1218 | sw.write('if (this.[name]!=null) this.[name](') |
| | 1219 | sep = '' |
| | 1220 | for expr in _exprs[1:] |
| | 1221 | sw.write(sep) |
| | 1222 | expr.writeSharpDef(sw, false) |
| | 1223 | sep = ', ' |
| | 1224 | sw.write(');\n') |
| | 1225 | |
| | 1226 | |
