diff --git a/src/libvaladoc/api/formalparameter.vala b/src/libvaladoc/api/formalparameter.vala
index e1427d8..1dd7bc8 100644
--- a/src/libvaladoc/api/formalparameter.vala
+++ b/src/libvaladoc/api/formalparameter.vala
@@ -24,26 +24,26 @@ using Gee;
 using Valadoc.Content;
 
 public class Valadoc.Api.FormalParameter : Symbol {
-	public FormalParameter (Vala.FormalParameter symbol, Node parent) {
+	public FormalParameter (Vala.Parameter symbol, Node parent) {
 		base (symbol, parent);
 		parameter_type = new TypeReference (symbol.variable_type, this);
 	}
 
 	public bool is_out {
 		get {
-			return ((Vala.FormalParameter) symbol).direction == Vala.ParameterDirection.OUT;
+			return ((Vala.Parameter) symbol).direction == Vala.ParameterDirection.OUT;
 		}
 	}
 
 	public bool is_ref {
 		get {
-			return ((Vala.FormalParameter) symbol).direction == Vala.ParameterDirection.REF;
+			return ((Vala.Parameter) symbol).direction == Vala.ParameterDirection.REF;
 		}
 	}
 
 	public bool has_default_value {
 		get {
-			return ((Vala.FormalParameter) symbol).initializer != null;
+			return ((Vala.Parameter) symbol).initializer != null;
 		}
 	}
 
@@ -51,7 +51,7 @@ public class Valadoc.Api.FormalParameter : Symbol {
 
 	public bool ellipsis {
 		get {
-			return ((Vala.FormalParameter) symbol).ellipsis;
+			return ((Vala.Parameter) symbol).ellipsis;
 		}
 	}
 
@@ -88,7 +88,7 @@ public class Valadoc.Api.FormalParameter : Symbol {
 
 			if (has_default_value) {
 				signature.append ("=");
-				signature.append (((Vala.FormalParameter) symbol).initializer.to_string ());
+				signature.append (((Vala.Parameter) symbol).initializer.to_string ());
 			}
 		}
 
diff --git a/src/libvaladoc/api/nodebuilder.vala b/src/libvaladoc/api/nodebuilder.vala
index d0c820f..4a67161 100644
--- a/src/libvaladoc/api/nodebuilder.vala
+++ b/src/libvaladoc/api/nodebuilder.vala
@@ -212,7 +212,7 @@ internal class Valadoc.Api.NodeBuilder : Vala.CodeVisitor {
 		process_children (node, element);
 	}
 
-	public override void visit_formal_parameter (Vala.FormalParameter element) {
+	public override void visit_formal_parameter (Vala.Parameter element) {
 		Node parent = get_parent_node_for (element);
 
 		Symbol node = new FormalParameter (element, parent);
diff --git a/src/libvaladoc/api/tree.vala b/src/libvaladoc/api/tree.vala
index cb305c4..42835d3 100644
--- a/src/libvaladoc/api/tree.vala
+++ b/src/libvaladoc/api/tree.vala
@@ -349,14 +349,8 @@ public class Valadoc.Api.Tree {
 			return false;
 		}
 
-		Vala.SymbolResolver resolver = new Vala.SymbolResolver ();
-		resolver.resolve(this.context);
-		if (this.context.report.get_errors () > 0) {
-			return false;
-		}
+		context.check ();
 
-		Vala.SemanticAnalyzer analyzer = new Vala.SemanticAnalyzer ( );
-		analyzer.analyze(this.context);
 		if (this.context.report.get_errors () > 0) {
 			return false;
 		}
diff --git a/src/libvaladoc/api/typereference.vala b/src/libvaladoc/api/typereference.vala
index 007ea69..e31b2f3 100644
--- a/src/libvaladoc/api/typereference.vala
+++ b/src/libvaladoc/api/typereference.vala
@@ -55,9 +55,9 @@ public class Valadoc.Api.TypeReference : Item {
 			if (node == null) {
 				return false;
 			}
-			if (node is Vala.FormalParameter) {
-				return (((Vala.FormalParameter)node).direction == Vala.ParameterDirection.IN &&
-					((Vala.FormalParameter)node).variable_type.value_owned);
+			if (node is Vala.Parameter) {
+				return (((Vala.Parameter)node).direction == Vala.ParameterDirection.IN &&
+					((Vala.Parameter)node).variable_type.value_owned);
 			}
 			if (node is Vala.Property) {
 				return ((Vala.Property)node).property_type.value_owned;
@@ -72,11 +72,11 @@ public class Valadoc.Api.TypeReference : Item {
 			Vala.CodeNode parent = this.vtyperef.parent_node;
 
 			// parameter:
-			if (parent is Vala.FormalParameter) {
-				if (((Vala.FormalParameter)parent).direction != Vala.ParameterDirection.IN) {
+			if (parent is Vala.Parameter) {
+				if (((Vala.Parameter)parent).direction != Vala.ParameterDirection.IN) {
 					return false;
 				}
-				return ((Vala.FormalParameter)parent).variable_type.value_owned;
+				return ((Vala.Parameter)parent).variable_type.value_owned;
 			}
 			return false;
 		}
@@ -118,7 +118,7 @@ public class Valadoc.Api.TypeReference : Item {
 		get {
 			Vala.CodeNode parent = this.vtyperef.parent_node;
 
-			if (parent is Vala.FormalParameter) {
+			if (parent is Vala.Parameter) {
 				return false;
 			}