vweb: populate action method params with form values

vlib/v/checker/checker.v

@@ -8584,7 +8584,7 @@ fn (mut c Checker) verify_all_vweb_routes() {
 						continue
 					}
 					if f.return_type == typ_vweb_result && f.receiver.typ == m.params[0].typ
-						&& f.name == m.name {
+						&& f.name == m.name && !f.attrs.contains('post') {
 						c.change_current_file(f.source_file) // setup of file path for the warning
 						c.warn('mismatched parameters count between vweb method `${sym_app.name}.$m.name` ($nargs) and route attribute $m.attrs ($nroute_attributes)',
 							f.pos)

vlib/v/gen/c/comptime.v

@@ -100,6 +100,9 @@ fn (mut g Gen) comptime_call(node ast.ComptimeCall) {
 		if m.params.len - 1 != node.args.len && !expand_strs {
 			// do not generate anything if the argument lengths don't match
 			g.writeln('/* skipping ${node.sym.name}.$m.name due to mismatched arguments list */')
+			// g.writeln('println(_SLIT("skipping ${node.sym.name}.$m.name due to mismatched arguments list"));')
+			// eprintln('info: skipping ${node.sym.name}.$m.name due to mismatched arguments list\n' +
+			//'method.params: $m.params, args: $node.args\n\n')
 			// verror('expected ${m.params.len-1} arguments to method ${node.sym.name}.$m.name, but got $node.args.len')
 			return
 		}

vlib/vweb/vweb.v

@@ -473,7 +473,16 @@ fn handle_conn<T>(mut conn net.TcpConn, mut app T, routes map[string]Route) {
 				// should be called first.
 				if !route.path.contains('/:') && url_words == route_words {
 					// We found a match
+					if req.method == .post {
+						// Populate method args with form values
+						mut args := []string{cap: method.args.len}
+						for param in method.args {
+							args << form[param.name]
+						}
+						app.$method(args)
+					} else {
 						app.$method()
+					}
 					return
 				}