[valadoc] driver: Add support for vala-0.26



commit d3d4a78f318fc98b34753110eb8e6210f34405ef
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Tue Mar 25 21:01:24 2014 +0100

    driver: Add support for vala-0.26

 configure.ac                              |    4 +
 src/driver/0.26.x/Makefile.am             |   72 ++
 src/driver/0.26.x/driver.vala             |   70 ++
 src/driver/0.26.x/girwriter.vala          |  204 ++++
 src/driver/0.26.x/initializerbuilder.vala |  669 +++++++++++++
 src/driver/0.26.x/symbolresolver.vala     |  323 ++++++
 src/driver/0.26.x/treebuilder.vala        | 1515 +++++++++++++++++++++++++++++
 src/driver/Makefile.am                    |    5 +
 src/libvaladoc/moduleloader.vala          |    3 +-
 tests/Makefile.am                         |    1 +
 tests/drivers/driver-0-26.vala            |    6 +
 11 files changed, 2871 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 0f30d25..88e8309 100644
--- a/configure.ac
+++ b/configure.ac
@@ -80,6 +80,9 @@ AM_CONDITIONAL(HAVE_CGRAPH, test "$have_cgraph" = "yes")
 ## Drivers:
 ##
 
+PKG_CHECK_MODULES(LIBVALA_0_26_X, libvala-0.26 > 0.23.1, have_libvala_0_26_x="yes", have_libvala_0_26_x="no")
+AM_CONDITIONAL(HAVE_LIBVALA_0_26_X, test "$have_libvala_0_26_x" = "yes")
+
 PKG_CHECK_MODULES(LIBVALA_0_24_X, libvala-0.24 > 0.23.1, have_libvala_0_24_x="yes", have_libvala_0_24_x="no")
 AM_CONDITIONAL(HAVE_LIBVALA_0_24_X, test "$have_libvala_0_24_x" = "yes")
 
@@ -113,6 +116,7 @@ src/driver/0.18.x/Makefile
 src/driver/0.20.x/Makefile
 src/driver/0.22.x/Makefile
 src/driver/0.24.x/Makefile
+src/driver/0.26.x/Makefile
 src/doclets/Makefile
 src/doclets/html/Makefile
 src/doclets/devhelp/Makefile
diff --git a/src/driver/0.26.x/Makefile.am b/src/driver/0.26.x/Makefile.am
new file mode 100644
index 0000000..bff3f52
--- /dev/null
+++ b/src/driver/0.26.x/Makefile.am
@@ -0,0 +1,72 @@
+NULL =
+
+VERSIONED_VAPI_DIR = $(shell pkg-config libvala-0.26 --variable vapidir)
+
+AM_CFLAGS = \
+       -DPACKAGE_ICONDIR=\"$(datadir)/valadoc/icons/\" \
+       -I $(top_builddir)/src/libvaladoc/ \
+       $(GLIB_CFLAGS) \
+       $(LIBGEE_CFLAGS) \
+       $(LIBGVC_CFLAGS) \
+       $(LIBVALA_0_26_X_CFLAGS) \
+       -g \
+       -w \
+       $(NULL)
+
+AM_VALAFLAGS = \
+       $(VALAFLAGS) \
+       --vapidir $(VERSIONED_VAPI_DIR) \
+       --vapidir $(top_srcdir)/src/vapi \
+       --vapidir $(top_srcdir)/src/libvaladoc \
+       --basedir $(srcdir) \
+       --directory $(builddir) \
+       -C \
+       -g \
+       $(NULL)
+
+BUILT_SOURCES = libdriver.vala.stamp
+
+driver_LTLIBRARIES = libdriver.la
+
+driverdir = $(libdir)/valadoc/drivers/0.26.x
+
+libdriver_la_LDFLAGS = -module -avoid-version -no-undefined
+
+libdriver_la_VALASOURCES = \
+       initializerbuilder.vala \
+       symbolresolver.vala \
+       treebuilder.vala \
+       girwriter.vala \
+       driver.vala \
+       $(NULL)
+
+nodist_libdriver_la_SOURCES = \
+       $(libdriver_la_VALASOURCES:.vala=.c) \
+       $(NULL)
+
+libdriver.vala.stamp: $(libdriver_la_VALASOURCES) Makefile
+       $(VALAC) \
+               $(AM_VALAFLAGS) \
+               --pkg libvala-0.26 \
+               --pkg gee-0.8 \
+               --pkg valadoc-1.0 \
+               $(filter %.vala %.c,$^)
+       touch $@
+
+libdriver_la_LIBADD = \
+       $(top_builddir)/src/libvaladoc/libvaladoc.la \
+       $(GLIB_LIBS) \
+       $(LIBVALA_0_26_X_LIBS) \
+       $(LIBGEE_LIBS) \
+       $(LIBGVC_LIBS) \
+       $(NULL)
+
+EXTRA_DIST = \
+       $(libdriver_la_VALASOURCES) \
+       $(NULL)
+
+CLEANFILES = \
+       $(BUILT_SOURCES) \
+       $(nodist_libdriver_la_SOURCES) \
+       $(NULL)
+
diff --git a/src/driver/0.26.x/driver.vala b/src/driver/0.26.x/driver.vala
new file mode 100644
index 0000000..902d28d
--- /dev/null
+++ b/src/driver/0.26.x/driver.vala
@@ -0,0 +1,70 @@
+/* driver.vala
+ *
+ * Copyright (C) 2011  Florian Brosch
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
+ *
+ * Author:
+ *     Florian Brosch <flo brosch gmail com>
+ */
+
+using Valadoc.Api;
+using Gee;
+
+
+
+/**
+ * Creates an simpler, minimized, more abstract AST for valacs AST.
+ */
+public class Valadoc.Drivers.Driver : Object, Valadoc.Driver {
+       private SymbolResolver resolver;
+       private Api.Tree? tree;
+
+       public void write_gir (Settings settings, ErrorReporter reporter) {
+               var gir_writer = new Drivers.GirWriter (resolver);
+
+               // put .gir file in current directory unless -d has been explicitly specified
+               string gir_directory = ".";
+               if (settings.gir_directory != null) {
+                       gir_directory = settings.gir_directory;
+               }
+
+               gir_writer.write_file ((Vala.CodeContext) tree.data,
+                                                          gir_directory,
+                                                          "%s-%s.gir".printf (settings.gir_namespace, 
settings.gir_version),
+                                                          settings.gir_namespace,
+                                                          settings.gir_version,
+                                                          settings.pkg_name);
+       }
+
+       public Api.Tree? build (Settings settings, ErrorReporter reporter) {
+               TreeBuilder builder = new TreeBuilder ();
+               tree = builder.build (settings, reporter);
+               if (reporter.errors > 0) {
+                       return null;
+               }
+
+               resolver = new SymbolResolver (builder);
+               tree.accept (resolver);
+
+               return tree;
+       }
+}
+
+
+public Type register_plugin (Valadoc.ModuleLoader module_loader) {
+       return typeof (Valadoc.Drivers.Driver);
+}
+
diff --git a/src/driver/0.26.x/girwriter.vala b/src/driver/0.26.x/girwriter.vala
new file mode 100644
index 0000000..c250854
--- /dev/null
+++ b/src/driver/0.26.x/girwriter.vala
@@ -0,0 +1,204 @@
+/* girwriter.vala
+ *
+ * Copyright (C) 2011  Florian Brosch
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
+ *
+ * Author:
+ *     Florian Brosch <flo brosch gmail com>
+ */
+
+
+using Valadoc.Api;
+
+
+/**
+ * Code visitor generating .gir file for the public interface.
+ */
+public class Valadoc.Drivers.GirWriter : Vala.GIRWriter {
+       private GtkdocRenderer renderer;
+       private SymbolResolver resolver;
+
+       public GirWriter (SymbolResolver resolver) {
+               this.renderer = new GtkdocRenderer ();
+               this.resolver = resolver;
+       }
+
+       private string? translate (Content.Comment? documentation) {
+               if (documentation == null) {
+                       return null;
+               }
+
+               renderer.render_symbol (documentation);
+
+               return MarkupWriter.escape (renderer.content);
+       }
+
+       private string? translate_taglet (Content.Taglet? taglet) {
+               if (taglet == null) {
+                       return null;
+               }
+
+               renderer.render_children (taglet);
+
+               return MarkupWriter.escape (renderer.content);
+       }
+
+       protected override string? get_interface_comment (Vala.Interface viface) {
+               Interface iface = resolver.resolve (viface) as Interface;
+               return translate (iface.documentation);
+       }
+
+       protected override string? get_struct_comment (Vala.Struct vst) {
+               Struct st = resolver.resolve (vst) as Struct;
+               return translate (st.documentation);
+       }
+
+       protected override string? get_enum_comment (Vala.Enum ven) {
+               Enum en = resolver.resolve (ven) as Enum;
+               return translate (en.documentation);
+       }
+
+       protected override string? get_class_comment (Vala.Class vc) {
+               Class c = resolver.resolve (vc) as Class;
+               return translate (c.documentation);
+       }
+
+       protected override string? get_error_code_comment (Vala.ErrorCode vecode) {
+               ErrorCode ecode = resolver.resolve (vecode) as ErrorCode;
+               return translate (ecode.documentation);
+       }
+
+       protected override string? get_enum_value_comment (Vala.EnumValue vev) {
+               Api.EnumValue ev = resolver.resolve (vev) as Api.EnumValue;
+               return translate (ev.documentation);
+       }
+
+       protected override string? get_constant_comment (Vala.Constant vc) {
+               Constant c = resolver.resolve (vc) as Constant;
+               return translate (c.documentation);
+       }
+
+       protected override string? get_error_domain_comment (Vala.ErrorDomain vedomain) {
+               ErrorDomain edomain = resolver.resolve (vedomain) as ErrorDomain;
+               return translate (edomain.documentation);
+       }
+
+       protected override string? get_field_comment (Vala.Field vf) {
+               Field f = resolver.resolve (vf) as Field;
+               return translate (f.documentation);
+       }
+
+       protected override string? get_delegate_comment (Vala.Delegate vcb) {
+               Delegate cb = resolver.resolve (vcb) as Delegate;
+               return translate (cb.documentation);
+       }
+
+       protected override string? get_method_comment (Vala.Method vm) {
+               Method m = resolver.resolve (vm) as Method;
+               return translate (m.documentation);
+       }
+
+       protected override string? get_property_comment (Vala.Property vprop) {
+               Property prop = resolver.resolve (vprop) as Property;
+               return translate (prop.documentation);
+       }
+
+       protected override string? get_delegate_return_comment (Vala.Delegate vcb) {
+               Delegate cb = resolver.resolve (vcb) as Delegate;
+               if (cb.documentation == null) {
+                       return null;
+               }
+
+               Content.Comment? documentation = cb.documentation;
+               if (documentation == null) {
+                       return null;
+               }
+
+               Gee.List<Content.Taglet> taglets = documentation.find_taglets (cb, typeof(Taglets.Return));
+               foreach (Content.Taglet taglet in taglets) {
+                       return translate_taglet (taglet);
+               }
+
+               return null;
+       }
+
+       protected override string? get_signal_return_comment (Vala.Signal vsig) {
+               Api.Signal sig = resolver.resolve (vsig) as Api.Signal;
+               if (sig.documentation == null) {
+                       return null;
+               }
+
+               Content.Comment? documentation = sig.documentation;
+               if (documentation == null) {
+                       return null;
+               }
+
+               Gee.List<Content.Taglet> taglets = documentation.find_taglets (sig, typeof(Taglets.Return));
+               foreach (Content.Taglet taglet in taglets) {
+                       return translate_taglet (taglet);
+               }
+
+               return null;
+       }
+
+       protected override string? get_method_return_comment (Vala.Method vm) {
+               Method m = resolver.resolve (vm) as Method;
+               if (m.documentation == null) {
+                       return null;
+               }
+
+               Content.Comment? documentation = m.documentation;
+               if (documentation == null) {
+                       return null;
+               }
+
+               Gee.List<Content.Taglet> taglets = documentation.find_taglets (m, typeof(Taglets.Return));
+               foreach (Content.Taglet taglet in taglets) {
+                       return translate_taglet (taglet);
+               }
+
+               return null;
+       }
+
+       protected override string? get_signal_comment (Vala.Signal vsig) {
+               Api.Signal sig = resolver.resolve (vsig) as Api.Signal;
+               return translate (sig.documentation);
+       }
+
+       protected override string? get_parameter_comment (Vala.Parameter param) {
+               Api.Symbol symbol = resolver.resolve (((Vala.Symbol) param.parent_symbol));
+               if (symbol == null) {
+                       return null;
+               }
+
+               Content.Comment? documentation = symbol.documentation;
+               if (documentation == null) {
+                       return null;
+               }
+
+               Gee.List<Content.Taglet> taglets = documentation.find_taglets (symbol, typeof(Taglets.Param));
+               foreach (Content.Taglet _taglet in taglets) {
+                       Taglets.Param taglet = (Taglets.Param) _taglet;
+                       if (taglet.parameter_name == param.name) {
+                               return translate_taglet (taglet);
+                       }
+               }
+
+               return null;
+       }
+}
+
+
diff --git a/src/driver/0.26.x/initializerbuilder.vala b/src/driver/0.26.x/initializerbuilder.vala
new file mode 100644
index 0000000..7b26ab5
--- /dev/null
+++ b/src/driver/0.26.x/initializerbuilder.vala
@@ -0,0 +1,669 @@
+/* initializerbuilder.vala
+ *
+ * Copyright (C) 2011  Florian Brosch
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
+ *
+ * Author:
+ *     Florian Brosch <flo brosch gmail com>
+ */
+
+
+using Valadoc.Content;
+using Gee;
+
+
+private class Valadoc.Api.InitializerBuilder : Vala.CodeVisitor {
+       private HashMap<Vala.Symbol, Symbol> symbol_map;
+       private SignatureBuilder signature;
+
+       private Symbol? resolve (Vala.Symbol symbol) {
+               return symbol_map.get (symbol);
+       }
+
+       private void write_node (Vala.Symbol vsymbol) {
+               signature.append_symbol (resolve (vsymbol));
+       }
+
+       private void write_type (Vala.DataType vsymbol) {
+               if (vsymbol.data_type != null) {
+                       write_node (vsymbol.data_type);
+               } else {
+                       signature.append_literal ("null");
+               }
+
+               var type_args = vsymbol.get_type_arguments ();
+               if (type_args.size > 0) {
+                       signature.append ("<");
+                       bool first = true;
+                       foreach (Vala.DataType type_arg in type_args) {
+                               if (!first) {
+                                       signature.append (",");
+                               } else {
+                                       first = false;
+                               }
+                               if (!type_arg.value_owned) {
+                                       signature.append_keyword ("weak");
+                               }
+                               signature.append (type_arg.to_qualified_string (null));
+                       }
+                       signature.append (">");
+               }
+
+               if (vsymbol.nullable) {
+                       signature.append ("?");
+               }
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_array_creation_expression (Vala.ArrayCreationExpression expr) {
+               signature.append_keyword ("new");
+               write_type (expr.element_type);
+               signature.append ("[", false);
+
+               bool first = true;
+               foreach (Vala.Expression size in expr.get_sizes ()) {
+                       if (!first) {
+                               signature.append (", ", false);
+                       }
+                       size.accept (this);
+                       first = false;
+               }
+
+               signature.append ("]", false);
+
+               if (expr.initializer_list != null) {
+                       signature.append (" ", false);
+                       expr.initializer_list.accept (this);
+               }
+       }
+
+       public InitializerBuilder (SignatureBuilder signature, HashMap<Vala.Symbol, Symbol> symbol_map) {
+               this.symbol_map = symbol_map;
+               this.signature = signature;
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_binary_expression (Vala.BinaryExpression expr) {
+               expr.left.accept (this);
+
+               switch (expr.operator) {
+               case Vala.BinaryOperator.PLUS:
+                       signature.append ("+ ");
+                       break;
+
+               case Vala.BinaryOperator.MINUS:
+                       signature.append ("- ");
+                       break;
+
+               case Vala.BinaryOperator.MUL:
+                       signature.append ("* ");
+                       break;
+
+               case Vala.BinaryOperator.DIV:
+                       signature.append ("/ ");
+                       break;
+
+               case Vala.BinaryOperator.MOD:
+                       signature.append ("% ");
+                       break;
+
+               case Vala.BinaryOperator.SHIFT_LEFT:
+                       signature.append ("<< ");
+                       break;
+
+               case Vala.BinaryOperator.SHIFT_RIGHT:
+                       signature.append (">> ");
+                       break;
+
+               case Vala.BinaryOperator.LESS_THAN:
+                       signature.append ("< ");
+                       break;
+
+               case Vala.BinaryOperator.GREATER_THAN:
+                       signature.append ("> ");
+                       break;
+
+               case Vala.BinaryOperator.LESS_THAN_OR_EQUAL:
+                       signature.append ("<= ");
+                       break;
+
+               case Vala.BinaryOperator.GREATER_THAN_OR_EQUAL:
+                       signature.append (">= ");
+                       break;
+
+               case Vala.BinaryOperator.EQUALITY:
+                       signature.append ("== ");
+                       break;
+
+               case Vala.BinaryOperator.INEQUALITY:
+                       signature.append ("!= ");
+                       break;
+
+               case Vala.BinaryOperator.BITWISE_AND:
+                       signature.append ("& ");
+                       break;
+
+               case Vala.BinaryOperator.BITWISE_OR:
+                       signature.append ("| ");
+                       break;
+
+               case Vala.BinaryOperator.BITWISE_XOR:
+                       signature.append ("^ ");
+                       break;
+
+               case Vala.BinaryOperator.AND:
+                       signature.append ("&& ");
+                       break;
+
+               case Vala.BinaryOperator.OR:
+                       signature.append ("|| ");
+                       break;
+
+               case Vala.BinaryOperator.IN:
+                       signature.append_keyword ("in");
+                       signature.append (" ");
+                       break;
+
+               case Vala.BinaryOperator.COALESCE:
+                       signature.append ("?? ");
+                       break;
+
+               default:
+                       assert_not_reached ();
+               }
+
+               expr.right.accept (this);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_unary_expression (Vala.UnaryExpression expr) {
+               switch (expr.operator) {
+               case Vala.UnaryOperator.PLUS:
+                       signature.append ("+");
+                       break;
+
+               case Vala.UnaryOperator.MINUS:
+                       signature.append ("-");
+                       break;
+
+               case Vala.UnaryOperator.LOGICAL_NEGATION:
+                       signature.append ("!");
+                       break;
+
+               case Vala.UnaryOperator.BITWISE_COMPLEMENT:
+                       signature.append ("~");
+                       break;
+
+               case Vala.UnaryOperator.INCREMENT:
+                       signature.append ("++");
+                       break;
+
+               case Vala.UnaryOperator.DECREMENT:
+                       signature.append ("--");
+                       break;
+
+               case Vala.UnaryOperator.REF:
+                       signature.append_keyword ("ref");
+                       break;
+
+               case Vala.UnaryOperator.OUT:
+                       signature.append_keyword ("out");
+                       break;
+
+               default:
+                       assert_not_reached ();
+               }
+               expr.inner.accept (this);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_assignment (Vala.Assignment a) {
+               a.left.accept (this);
+
+               switch (a.operator) {
+               case Vala.AssignmentOperator.SIMPLE:
+                       signature.append ("=");
+                       break;
+
+               case Vala.AssignmentOperator.BITWISE_OR:
+                       signature.append ("|");
+                       break;
+
+               case Vala.AssignmentOperator.BITWISE_AND:
+                       signature.append ("&");
+                       break;
+
+               case Vala.AssignmentOperator.BITWISE_XOR:
+                       signature.append ("^");
+                       break;
+
+               case Vala.AssignmentOperator.ADD:
+                       signature.append ("+");
+                       break;
+
+               case Vala.AssignmentOperator.SUB:
+                       signature.append ("-");
+                       break;
+
+               case Vala.AssignmentOperator.MUL:
+                       signature.append ("*");
+                       break;
+
+               case Vala.AssignmentOperator.DIV:
+                       signature.append ("/");
+                       break;
+
+               case Vala.AssignmentOperator.PERCENT:
+                       signature.append ("%");
+                       break;
+
+               case Vala.AssignmentOperator.SHIFT_LEFT:
+                       signature.append ("<<");
+                       break;
+
+               case Vala.AssignmentOperator.SHIFT_RIGHT:
+                       signature.append (">>");
+                       break;
+
+               default:
+                       assert_not_reached ();
+               }
+
+               a.right.accept (this);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_cast_expression (Vala.CastExpression expr) {
+               if (expr.is_non_null_cast) {
+                       signature.append ("(!)");
+                       expr.inner.accept (this);
+                       return;
+               }
+
+               if (!expr.is_silent_cast) {
+                       signature.append ("(", false);
+                       write_type (expr.type_reference);
+                       signature.append (")", false);
+               }
+
+               expr.inner.accept (this);
+
+               if (expr.is_silent_cast) {
+                       signature.append_keyword ("as");
+                       write_type (expr.type_reference);
+               }
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_initializer_list (Vala.InitializerList list) {
+               signature.append ("{", false);
+
+               bool first = true;
+               foreach (Vala.Expression initializer in list.get_initializers ()) {
+                       if (!first) {
+                               signature.append (", ", false);
+                       }
+                       first = false;
+                       initializer.accept (this);
+               }
+
+               signature.append ("}", false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_member_access (Vala.MemberAccess expr) {
+               if (expr.symbol_reference != null) {
+                       expr.symbol_reference.accept (this);
+               } else {
+                       signature.append (expr.member_name);
+               }
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_element_access (Vala.ElementAccess expr) {
+               expr.container.accept (this);
+               signature.append ("[", false);
+
+               bool first = true;
+               foreach (Vala.Expression index in expr.get_indices ()) {
+                       if (!first) {
+                               signature.append (", ", false);
+                       }
+                       first = false;
+
+                       index.accept (this);
+               }
+
+               signature.append ("]", false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_pointer_indirection (Vala.PointerIndirection expr) {
+               signature.append ("*", false);
+               expr.inner.accept (this);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_addressof_expression (Vala.AddressofExpression expr) {
+               signature.append ("&", false);
+               expr.inner.accept (this);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_reference_transfer_expression (Vala.ReferenceTransferExpression expr) {
+               signature.append ("(", false).append_keyword ("owned", false).append (")", false);
+               expr.inner.accept (this);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_type_check (Vala.TypeCheck expr) {
+               expr.expression.accept (this);
+               signature.append_keyword ("is");
+               write_type (expr.type_reference);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_method_call (Vala.MethodCall expr) {
+               // symbol-name:
+               expr.call.symbol_reference.accept (this);
+
+               // parameters:
+               signature.append (" (", false);
+               bool first = true;
+               foreach (Vala.Expression literal in expr.get_argument_list ()) {
+                       if (!first) {
+                               signature.append (", ", false);
+                       }
+
+                       literal.accept (this);
+                       first = false;
+               }
+               signature.append (")", false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_slice_expression (Vala.SliceExpression expr) {
+               expr.container.accept (this);
+               signature.append ("[", false);
+               expr.start.accept (this);
+               signature.append (":", false);
+               expr.stop.accept (this);
+               signature.append ("]", false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_base_access (Vala.BaseAccess expr) {
+               signature.append_keyword ("base", false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_postfix_expression (Vala.PostfixExpression expr) {
+               expr.inner.accept (this);
+               if (expr.increment) {
+                       signature.append ("++", false);
+               } else {
+                       signature.append ("--", false);
+               }
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_object_creation_expression (Vala.ObjectCreationExpression expr) {
+               if (!expr.struct_creation) {
+                       signature.append_keyword ("new");
+               }
+
+               signature.append_symbol (resolve (expr.symbol_reference));
+
+               signature.append (" (", false);
+
+               //TODO: rm conditional space
+               bool first = true;
+               foreach (Vala.Expression arg in expr.get_argument_list ()) {
+                       if (!first) {
+                               signature.append (", ", false);
+                       }
+                       arg.accept (this);
+                       first = false;
+               }
+
+               signature.append (")", false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_sizeof_expression (Vala.SizeofExpression expr) {
+               signature.append_keyword ("sizeof", false).append (" (", false);
+               write_type (expr.type_reference);
+               signature.append (")", false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_typeof_expression (Vala.TypeofExpression expr) {
+               signature.append_keyword ("typeof", false).append (" (", false);
+               write_type (expr.type_reference);
+               signature.append (")", false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_lambda_expression (Vala.LambdaExpression expr) {
+               signature.append ("(", false);
+
+               bool first = true;
+               foreach (Vala.Parameter param in expr.get_parameters ()) {
+                       if (!first) {
+                               signature.append (", ", false);
+                       }
+                       signature.append (param.name, false);
+                       first = false;
+               }
+
+
+               signature.append (") => {", false);
+               signature.append_highlighted (" [...] ", false);
+               signature.append ("}", false);
+       }
+
+
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_boolean_literal (Vala.BooleanLiteral lit) {
+               signature.append_literal (lit.to_string (), false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_character_literal (Vala.CharacterLiteral lit) {
+               signature.append_literal (lit.to_string (), false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_integer_literal (Vala.IntegerLiteral lit) {
+               signature.append_literal (lit.to_string (), false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_real_literal (Vala.RealLiteral lit) {
+               signature.append_literal (lit.to_string (), false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_regex_literal (Vala.RegexLiteral lit) {
+               signature.append_literal (lit.to_string (), false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_string_literal (Vala.StringLiteral lit) {
+               signature.append_literal (lit.to_string (), false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_null_literal (Vala.NullLiteral lit) {
+               signature.append_literal (lit.to_string (), false);
+       }
+
+
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_field (Vala.Field field) {
+               write_node (field);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_constant (Vala.Constant constant) {
+               write_node (constant);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_enum_value (Vala.EnumValue ev) {
+               write_node (ev);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_error_code (Vala.ErrorCode ec) {
+               write_node (ec);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_delegate (Vala.Delegate d) {
+               write_node (d);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_method (Vala.Method m) {
+               write_node (m);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_creation_method (Vala.CreationMethod m) {
+               write_node (m);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_signal (Vala.Signal sig) {
+               write_node (sig);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_class (Vala.Class c) {
+               write_node (c);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_struct (Vala.Struct s) {
+               write_node (s);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_interface (Vala.Interface i) {
+               write_node (i);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_enum (Vala.Enum en) {
+               write_node (en);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_error_domain (Vala.ErrorDomain ed) {
+               write_node (ed);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_property (Vala.Property prop) {
+               write_node (prop);
+       }
+}
+
diff --git a/src/driver/0.26.x/symbolresolver.vala b/src/driver/0.26.x/symbolresolver.vala
new file mode 100644
index 0000000..4adc06b
--- /dev/null
+++ b/src/driver/0.26.x/symbolresolver.vala
@@ -0,0 +1,323 @@
+/* symbolresolver.vala
+ *
+ * Copyright (C) 2011  Florian Brosch
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
+ *
+ * Author:
+ *     Florian Brosch <flo brosch gmail com>
+ */
+
+using Valadoc.Api;
+using Gee;
+
+
+public class Valadoc.Drivers.SymbolResolver : Visitor {
+       private HashMap<Vala.Symbol, Symbol> symbol_map;
+       private Valadoc.Api.Class glib_error;
+       private Api.Tree root;
+
+       public SymbolResolver (TreeBuilder builder) {
+               this.symbol_map = builder.get_symbol_map ();
+               this.glib_error = builder.get_glib_error ();
+       }
+
+       public Symbol? resolve (Vala.Symbol symbol) {
+               return symbol_map.get (symbol);
+       }
+
+       private void resolve_thrown_list (Symbol symbol, Vala.List<Vala.DataType> types) {
+               foreach (Vala.DataType type in types) {
+                       Vala.ErrorDomain vala_edom = (Vala.ErrorDomain) type.data_type;
+                       Symbol? edom = symbol_map.get (vala_edom);
+                       symbol.add_child (edom ?? glib_error);
+               }
+       }
+
+       private void resolve_array_type_references (Api.Array ptr) {
+               Api.Item data_type = ptr.data_type;
+               if (data_type == null) {
+                       // void
+               } else if (data_type is Api.Array) {
+                       resolve_array_type_references ((Api.Array) data_type);
+               } else if (data_type is Pointer) {
+                       resolve_pointer_type_references ((Api.Pointer) data_type);
+               } else {
+                       resolve_type_reference ((TypeReference) data_type);
+               }
+       }
+
+       private void resolve_pointer_type_references (Pointer ptr) {
+               Api.Item type = ptr.data_type;
+               if (type == null) {
+                       // void
+               } else if (type is Api.Array) {
+                       resolve_array_type_references ((Api.Array) type);
+               } else if (type is Pointer) {
+                       resolve_pointer_type_references ((Pointer) type);
+               } else {
+                       resolve_type_reference ((TypeReference) type);
+               }
+       }
+
+       private void resolve_type_reference (TypeReference reference) {
+               Vala.DataType vtyperef = (Vala.DataType) reference.data;
+               if (vtyperef is Vala.ErrorType) {
+                       Vala.ErrorDomain verrdom = ((Vala.ErrorType) vtyperef).error_domain;
+                       if (verrdom != null) {
+                               reference.data_type = resolve (verrdom);
+                       } else {
+                               reference.data_type = glib_error;
+                       }
+               } else if (vtyperef is Vala.DelegateType) {
+                       reference.data_type = resolve (((Vala.DelegateType) vtyperef).delegate_symbol);
+               } else if (vtyperef is Vala.GenericType) {
+                       reference.data_type = resolve (((Vala.GenericType) vtyperef).type_parameter);
+               } else if (vtyperef.data_type != null) {
+                       reference.data_type = resolve (vtyperef.data_type);
+               }
+
+               // Type parameters:
+               foreach (TypeReference type_param_ref in reference.get_type_arguments ()) {
+                       resolve_type_reference (type_param_ref);
+               }
+
+               if (reference.data_type is Pointer) {
+                       resolve_pointer_type_references ((Pointer)reference.data_type);
+               } else if (reference.data_type is Api.Array) {
+                       resolve_array_type_references ((Api.Array)reference.data_type);
+               }
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_tree (Api.Tree item) {
+               this.root = item;
+               item.accept_children (this);
+               this.root = null;
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_package (Package item) {
+               item.accept_all_children (this, false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_namespace (Namespace item) {
+               item.accept_all_children (this, false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_interface (Interface item) {
+               Collection<TypeReference> interfaces = item.get_implemented_interface_list ();
+               foreach (var type_ref in interfaces) {
+                       resolve_type_reference (type_ref);
+               }
+
+               if (item.base_type != null) {
+                       resolve_type_reference (item.base_type);
+               }
+
+               item.accept_all_children (this, false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_class (Class item) {
+               Collection<TypeReference> interfaces = item.get_implemented_interface_list ();
+               foreach (TypeReference type_ref in interfaces) {
+                       resolve_type_reference (type_ref);
+               }
+
+               if (item.base_type != null)     {
+                       resolve_type_reference (item.base_type);
+               }
+
+               item.accept_all_children (this, false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_struct (Struct item) {
+               if (item.base_type != null) {
+                       resolve_type_reference (item.base_type);
+               }
+
+               item.accept_all_children (this, false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_property (Property item) {
+               Vala.Property vala_property = item.data as Vala.Property;
+               Vala.Property? base_vala_property = null;
+
+               if (vala_property.base_property != null) {
+                       base_vala_property = vala_property.base_property;
+               } else if (vala_property.base_interface_property != null) {
+                       base_vala_property = vala_property.base_interface_property;
+               }
+               if (base_vala_property == vala_property && vala_property.base_interface_property != null) {
+                       base_vala_property = vala_property.base_interface_property;
+               }
+               if (base_vala_property != null) {
+                       item.base_property = (Property?) resolve (base_vala_property);
+               }
+
+               resolve_type_reference (item.property_type);
+               
+               item.accept_all_children (this, false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_field (Field item) {
+               resolve_type_reference (item.field_type);
+
+               item.accept_all_children (this, false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_constant (Constant item) {
+               resolve_type_reference (item.constant_type);
+
+               item.accept_all_children (this, false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_delegate (Delegate item) {
+               Vala.Delegate vala_delegate = item.data as Vala.Delegate;
+
+               resolve_type_reference (item.return_type);
+
+               resolve_thrown_list (item, vala_delegate.get_error_types ());
+
+               item.accept_all_children (this, false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_signal (Api.Signal item) {
+               resolve_type_reference (item.return_type);
+
+               item.accept_all_children (this, false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_method (Method item) {
+               Vala.Method vala_method = item.data as Vala.Method;
+               Vala.Method? base_vala_method = null;
+               if (vala_method.base_method != null) {
+                       base_vala_method = vala_method.base_method;
+               } else if (vala_method.base_interface_method != null) {
+                       base_vala_method = vala_method.base_interface_method;
+               }
+               if (base_vala_method == vala_method && vala_method.base_interface_method != null) {
+                       base_vala_method = vala_method.base_interface_method;
+               }
+               if (base_vala_method != null) {
+                       item.base_method = (Method?) resolve (base_vala_method);
+               }
+
+               resolve_thrown_list (item, vala_method.get_error_types ());
+
+               resolve_type_reference (item.return_type);
+
+               item.accept_all_children (this, false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_type_parameter (TypeParameter item) {
+               item.accept_all_children (this, false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_formal_parameter (FormalParameter item) {
+               if (item.ellipsis) {
+                       return;
+               }
+
+               if (((Vala.Parameter) item.data).initializer != null) {
+                       SignatureBuilder signature = new SignatureBuilder ();
+                       InitializerBuilder ibuilder = new InitializerBuilder (signature, symbol_map);
+                       ((Vala.Parameter) item.data).initializer.accept (ibuilder);
+                       item.default_value = signature.get ();
+               }
+
+               resolve_type_reference (item.parameter_type);
+               item.accept_all_children (this, false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_error_domain (ErrorDomain item) {
+               item.accept_all_children (this, false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_error_code (ErrorCode item) {
+               item.accept_all_children (this, false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_enum (Enum item) {
+               item.accept_all_children (this, false);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_enum_value (Api.EnumValue item) {
+
+               if (((Vala.EnumValue) item.data).value != null) {
+                       SignatureBuilder signature = new SignatureBuilder ();
+                       InitializerBuilder ibuilder = new InitializerBuilder (signature, symbol_map);
+                       ((Vala.EnumValue) item.data).value.accept (ibuilder);
+                       item.default_value = signature.get ();
+               }
+
+               item.accept_all_children (this, false);
+       }
+}
+
+
+
diff --git a/src/driver/0.26.x/treebuilder.vala b/src/driver/0.26.x/treebuilder.vala
new file mode 100644
index 0000000..6dfae91
--- /dev/null
+++ b/src/driver/0.26.x/treebuilder.vala
@@ -0,0 +1,1515 @@
+/* treebuilder.vala
+ *
+ * Copyright (C) 2011  Florian Brosch
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
+ *
+ * Author:
+ *     Florian Brosch <flo brosch gmail com>
+ */
+
+
+using Valadoc.Api;
+using Gee;
+
+
+/**
+ * Creates an simpler, minimized, more abstract AST for valacs AST.
+ */
+public class Valadoc.Drivers.TreeBuilder : Vala.CodeVisitor {
+       private ArrayList<PackageMetaData> packages = new ArrayList<PackageMetaData> ();
+       private PackageMetaData source_package;
+
+       private HashMap<Vala.SourceFile, SourceFile> files = new HashMap<Vala.SourceFile, SourceFile> ();
+       private HashMap<Vala.Symbol, Symbol> symbol_map = new HashMap<Vala.Symbol, Symbol> ();
+
+       private ErrorReporter reporter;
+       private Settings settings;
+
+       private Api.Node current_node;
+       private Api.Tree tree;
+
+       private Valadoc.Api.Class glib_error = null;
+
+
+       //
+       // Accessors
+       //
+
+       public Api.Class get_glib_error () {
+               return glib_error;
+       }
+
+       public HashMap<Vala.Symbol, Symbol> get_symbol_map () {
+               return symbol_map;
+       }
+
+
+       //
+       //
+       //
+
+       private class PackageMetaData {
+               public Package package;
+               public HashMap<Vala.Namespace, Namespace> namespaces = new HashMap<Vala.Namespace, Namespace> 
();
+               public ArrayList<Vala.SourceFile> files = new ArrayList<Vala.SourceFile> ();
+
+               public PackageMetaData (Package package) {
+                       this.package = package;
+               }
+
+               public Namespace get_namespace (Vala.Namespace vns, SourceFile file) {
+                       Namespace? ns = namespaces.get (vns);
+                       if (ns != null) {
+                               return ns;
+                       }
+
+                       // find documentation comment if existing:
+                       SourceComment? comment = null;
+                       if (vns.source_reference != null) {
+                               foreach (Vala.Comment c in vns.get_comments()) {
+                                       if (c.source_reference.file == file.data ||
+                                               (c.source_reference.file.file_type == 
Vala.SourceFileType.SOURCE
+                                                && ((Vala.SourceFile) file.data).file_type == 
Vala.SourceFileType.SOURCE)
+                                       ) {
+                                               Vala.SourceReference pos = c.source_reference;
+                                               if (c is Vala.GirComment) {
+                                                       comment = new GirSourceComment (c.content,
+                                                                                                             
          file,
+                                                                                                             
          pos.begin.line,
+                                                                                                             
          pos.begin.column,
+                                                                                                             
          pos.end.line,
+                                                                                                             
          pos.end.column);
+                                               } else {
+                                                       comment = new SourceComment (c.content,
+                                                                                                             
   file,
+                                                                                                             
   pos.begin.line,
+                                                                                                             
   pos.begin.column,
+                                                                                                             
   pos.end.line,
+                                                                                                             
   pos.end.column);
+                                               }
+                                               break;
+                                       }
+                               }
+                       }
+
+                       // find parent if existing
+                       var parent_vns = vns.parent_symbol;
+
+                       if (parent_vns == null) {
+                               ns = new Namespace (package, file, vns.name, comment, vns);
+                               package.add_child (ns);
+                       } else {
+                               Namespace parent_ns = get_namespace ((Vala.Namespace) parent_vns, file);
+                               ns = new Namespace (parent_ns, file, vns.name, comment, vns);
+                               parent_ns.add_child (ns);
+                       }
+
+                       namespaces.set (vns, ns);
+                       return ns;
+               }
+
+               public void register_source_file (Vala.SourceFile file) {
+                       files.add (file);
+               }
+
+               public bool is_package_for_file (Vala.SourceFile source_file) {
+                       if (source_file.file_type == Vala.SourceFileType.SOURCE && !package.is_package) {
+                               return true;
+                       }
+
+                       return files.contains (source_file);
+               }
+       }
+
+
+       //
+       // Type constructor translation helpers:
+       //
+
+       private Pointer create_pointer (Vala.PointerType vtyperef, Item parent, Api.Node caller) {
+               Pointer ptr = new Pointer (parent, vtyperef);
+
+               Vala.DataType vntype = vtyperef.base_type;
+               if (vntype is Vala.PointerType) {
+                       ptr.data_type = create_pointer ((Vala.PointerType) vntype, ptr, caller);
+               } else if (vntype is Vala.ArrayType) {
+                       ptr.data_type = create_array ((Vala.ArrayType) vntype, ptr, caller);
+               } else {
+                       ptr.data_type = create_type_reference (vntype, ptr, caller);
+               }
+
+               return ptr;
+       }
+
+       private Api.Array create_array (Vala.ArrayType vtyperef, Item parent, Api.Node caller) {
+               Api.Array arr = new Api.Array (parent, vtyperef);
+
+               Vala.DataType vntype = vtyperef.element_type;
+               if (vntype is Vala.ArrayType) {
+                       arr.data_type = create_array ((Vala.ArrayType) vntype, arr, caller);
+               } else {
+                       arr.data_type = create_type_reference (vntype, arr, caller);
+               }
+
+               return arr;
+       }
+
+       private TypeReference create_type_reference (Vala.DataType? vtyperef, Item parent, Api.Node caller) {
+               bool is_nullable = vtyperef != null
+                       && vtyperef.nullable
+                       && !(vtyperef is Vala.GenericType)
+                       && !(vtyperef is Vala.PointerType);
+               string? signature = (vtyperef != null
+                       && vtyperef.data_type != null)? Vala.GVariantModule.get_dbus_signature 
(vtyperef.data_type) : null;
+               bool pass_ownership = type_reference_pass_ownership (vtyperef);
+               Ownership ownership = get_type_reference_ownership (vtyperef);
+               bool is_dynamic = vtyperef != null && vtyperef.is_dynamic;
+
+               TypeReference type_ref = new TypeReference (parent,
+                                                                                                       
ownership,
+                                                                                                       
pass_ownership,
+                                                                                                       
is_dynamic,
+                                                                                                       
is_nullable,
+                                                                                                       
signature,
+                                                                                                       
vtyperef);
+
+               if (vtyperef is Vala.PointerType) {
+                       type_ref.data_type = create_pointer ((Vala.PointerType) vtyperef,  type_ref, caller);
+               } else if (vtyperef is Vala.ArrayType) {
+                       type_ref.data_type = create_array ((Vala.ArrayType) vtyperef,  type_ref, caller);
+               //} else if (vtyperef is Vala.GenericType) {
+               //      type_ref.data_type = new TypeParameter (caller,
+               //                                                                                      
caller.get_source_file (),
+               //                                                                                      
((Vala.GenericType) vtyperef).type_parameter.name,
+               //                                                                                      
vtyperef);
+               }
+
+               // type parameters:
+               if (vtyperef != null) {
+                       foreach (Vala.DataType vdtype in vtyperef.get_type_arguments ()) {
+                               var type_param = create_type_reference (vdtype, type_ref, caller);
+                               type_ref.add_type_argument (type_param);
+                       }
+               }
+
+               return type_ref;
+       }
+
+
+
+       //
+       // Translation helpers:
+       //
+
+       private void process_attributes (Api.Symbol parent, GLib.List<Vala.Attribute> lst) {
+               // attributes without arguments:
+               string[] attributes = {
+                               "ReturnsModifiedPointer",
+                               "DestroysInstance",
+                               "GenericAccessors",
+                               "NoAccessorMethod",
+                               "NoArrayLength",
+                               "Experimental",
+                               "Diagnostics",
+                               "PrintfFormat",
+                               "PointerType",
+                               "ScanfFormat",
+                               "ThreadLocal",
+                               "SimpleType",
+                               "HasEmitter",
+                               "ModuleInit",
+                               "NoWrapper",
+                               "Immutable",
+                               "ErrorBase",
+                               "NoReturn",
+                               "NoThrow",
+                               "Compact",
+                               "Assert",
+                               "Flags"
+                       };
+
+               string? tmp = "";
+
+               foreach (Vala.Attribute att in lst) {
+                       if (att.name == "CCode" && (tmp = att.args.get ("has_target")) != null && tmp == 
"false") {
+                               Attribute new_attribute = new Attribute (parent, parent.get_source_file (), 
att.name, att);
+                               new_attribute.add_boolean ("has_target", false, att);
+                               parent.add_attribute (new_attribute);
+                       } else if (att.name == "Deprecated") {
+                               Attribute new_attribute = new Attribute (parent, parent.get_source_file (), 
att.name, att);
+                               parent.add_attribute (new_attribute);
+                               if ((tmp = att.args.get ("since")) != null) {
+                                       new_attribute.add_string ("since", tmp, att);
+                               }
+
+                               if ((tmp = att.args.get ("replacement")) != null) {
+                                       new_attribute.add_string ("replacement", tmp, att);
+                               }
+                       } else if (att.name in attributes) {
+                               Attribute new_attribute = new Attribute (parent, parent.get_source_file (), 
att.name, att);
+                               parent.add_attribute (new_attribute);
+                       }
+               }
+       }
+
+       private string? get_ccode_type_id (Vala.CodeNode node) {
+               return Vala.CCodeBaseModule.get_ccode_type_id (node);
+       }
+
+       private bool is_reference_counting (Vala.TypeSymbol sym) {
+               return Vala.CCodeBaseModule.is_reference_counting (sym);
+       }
+
+       private string? get_ref_function (Vala.Class sym) {
+               return Vala.CCodeBaseModule.get_ccode_ref_function (sym);
+       }
+
+       private string? get_unref_function (Vala.Class sym) {
+               return Vala.CCodeBaseModule.get_ccode_unref_function (sym);
+       }
+
+       private string? get_finalize_function_name (Vala.Class element) {
+               if (!element.is_fundamental ()) {
+                       return null;
+               }
+
+               return "%s_finalize".printf (Vala.CCodeBaseModule.get_ccode_lower_case_name (element, null));
+       }
+
+       private string? get_free_function_name (Vala.Class element) {
+               if (!element.is_compact) {
+                       return null;
+               }
+
+               return Vala.CCodeBaseModule.get_ccode_free_function (element);
+       }
+
+       private string? get_finish_name (Vala.Method m) {
+               return Vala.CCodeBaseModule.get_ccode_finish_name (m);
+       }
+
+       private string? get_take_value_function (Vala.Class sym) {
+               return Vala.CCodeBaseModule.get_ccode_take_value_function (sym);
+       }
+
+       private string? get_get_value_function (Vala.Class sym) {
+               return Vala.CCodeBaseModule.get_ccode_get_value_function (sym);
+       }
+
+       private string? get_set_value_function (Vala.Class sym) {
+               return Vala.CCodeBaseModule.get_ccode_set_value_function (sym);
+       }
+
+
+       private string? get_param_spec_function (Vala.CodeNode sym) {
+               return Vala.CCodeBaseModule.get_ccode_param_spec_function (sym);
+       }
+
+       private string? get_dup_function (Vala.TypeSymbol sym) {
+               return Vala.CCodeBaseModule.get_ccode_dup_function (sym);
+       }
+
+       private string? get_copy_function (Vala.TypeSymbol sym) {
+               return Vala.CCodeBaseModule.get_ccode_copy_function (sym);
+       }
+
+       private string? get_destroy_function (Vala.TypeSymbol sym) {
+               return Vala.CCodeBaseModule.get_ccode_destroy_function (sym);
+       }
+
+       private string? get_free_function (Vala.TypeSymbol sym) {
+               return Vala.CCodeBaseModule.get_ccode_free_function (sym);
+       }
+
+       private string? get_nick (Vala.Property prop) {
+               return Vala.CCodeBaseModule.get_ccode_nick (prop);
+       }
+
+       private string? get_cname (Vala.Symbol symbol) {
+               return Vala.CCodeBaseModule.get_ccode_name (symbol);
+       }
+
+       private SourceComment? create_comment (Vala.Comment? comment) {
+               if (comment != null) {
+                       Vala.SourceReference pos = comment.source_reference;
+                       SourceFile file = files.get (pos.file);
+                       if (comment is Vala.GirComment) {
+                               var tmp = new GirSourceComment (comment.content,
+                                                                                               file,
+                                                                                               
pos.begin.line,
+                                                                                               
pos.begin.column,
+                                                                                               pos.end.line,
+                                                                                               
pos.end.column);
+                               if (((Vala.GirComment) comment).return_content != null) {
+                                       Vala.SourceReference return_pos = ((Vala.GirComment) 
comment).return_content.source_reference;
+                                       tmp.return_comment = new SourceComment (((Vala.GirComment) 
comment).return_content.content,
+                                                                                                             
          file,
+                                                                                                             
          return_pos.begin.line,
+                                                                                                             
          return_pos.begin.column,
+                                                                                                             
          return_pos.end.line,
+                                                                                                             
          return_pos.end.column);
+                               }
+
+                               Vala.MapIterator<string, Vala.Comment> it = ((Vala.GirComment) 
comment).parameter_iterator ();
+                               while (it.next ()) {
+                                       Vala.Comment vala_param = it.get_value ();
+                                       Vala.SourceReference param_pos = vala_param.source_reference;
+                                       var param_comment = new SourceComment (vala_param.content,
+                                                                                                             
     file,
+                                                                                                             
     param_pos.begin.line,
+                                                                                                             
     param_pos.begin.column,
+                                                                                                             
     param_pos.end.line,
+                                                                                                             
     param_pos.end.column);
+                                       tmp.add_parameter_content (it.get_key (), param_comment);
+                               }
+                               return tmp;
+                       } else {
+                               return new SourceComment (comment.content,
+                                                                                 file,
+                                                                                 pos.begin.line,
+                                                                                 pos.begin.column,
+                                                                                 pos.end.line,
+                                                                                 pos.end.column);
+                       }
+               }
+
+               return null;
+       }
+
+       private string get_method_name (Vala.Method element) {
+               if (element is Vala.CreationMethod) {
+                       if (element.name == ".new") {
+                               return element.parent_symbol.name;
+                       } else {
+                               return element.parent_symbol.name + "." + element.name;
+                       }
+               }
+
+               return element.name;
+       }
+
+       private string? get_quark_macro_name (Vala.ErrorDomain element) {
+               return Vala.CCodeBaseModule.get_ccode_upper_case_name (element, null);
+       }
+
+       private string? get_private_cname (Vala.Class element) {
+               if (element.is_compact) {
+                       return null;
+               }
+
+               string? cname = get_cname (element);
+               return (cname != null)? cname + "Private" : null;
+       }
+
+       private string? get_class_macro_name (Vala.Class element) {
+               if (element.is_compact) {
+                       return null;
+               }
+
+               return "%s_GET_CLASS".printf (Vala.CCodeBaseModule.get_ccode_upper_case_name (element, null));
+       }
+
+       private string? get_class_type_macro_name (Vala.Class element) {
+               if (element.is_compact) {
+                       return null;
+               }
+
+               return "%s_CLASS".printf (Vala.CCodeBaseModule.get_ccode_upper_case_name (element, null));
+       }
+
+       private string? get_is_type_macro_name (Vala.TypeSymbol element) {
+               string? name = Vala.CCodeBaseModule.get_ccode_type_check_function (element);
+               return (name != null && name != "")? name : null;
+       }
+
+       private string? get_is_class_type_macro_name (Vala.TypeSymbol element) {
+               string? name = get_is_type_macro_name (element);
+               return (name != null)? name + "_CLASS" : null;
+       }
+
+       private string? get_type_function_name (Vala.TypeSymbol element) {
+               if ((element is Vala.Class
+                       && ((Vala.Class) element).is_compact)
+                       || element is Vala.ErrorDomain
+                       || element is Vala.Delegate)
+               {
+                       return null;
+               }
+
+               return "%s_get_type".printf (Vala.CCodeBaseModule.get_ccode_lower_case_name (element, null));
+       }
+
+       private string? get_type_macro_name (Vala.TypeSymbol element) {
+               if ((element is Vala.Class
+                       && ((Vala.Class) element).is_compact)
+                       || element is Vala.ErrorDomain
+                       || element is Vala.Delegate)
+               {
+                       return null;
+               }
+
+               return Vala.CCodeBaseModule.get_ccode_type_id (element);
+       }
+
+       private string? get_type_cast_macro_name (Vala.TypeSymbol element) {
+               if ((element is Vala.Class
+                       && !((Vala.Class) element).is_compact)
+                       || element is Vala.Interface)
+               {
+                       return Vala.CCodeBaseModule.get_ccode_upper_case_name (element, null);
+               } else {
+                       return null;
+               }
+       }
+
+       private string? get_interface_macro_name (Vala.Interface element) {
+               return "%s_GET_INTERFACE".printf (Vala.CCodeBaseModule.get_ccode_upper_case_name (element, 
null));
+       }
+
+       private string get_quark_function_name (Vala.ErrorDomain element) {
+               return Vala.CCodeBaseModule.get_ccode_lower_case_prefix (element) + "quark";
+       }
+
+       private PackageMetaData? get_package_meta_data (Package pkg) {
+               foreach (PackageMetaData data in packages) {
+                       if (data.package == pkg) {
+                               return data;
+                       }
+               }
+
+               return null;
+       }
+
+       private PackageMetaData register_package (Package package) {
+               PackageMetaData meta_data = new PackageMetaData (package);
+               tree.add_package (package);
+               packages.add (meta_data);
+               return meta_data;
+       }
+
+       private SourceFile register_source_file (PackageMetaData meta_data, Vala.SourceFile source_file) {
+               SourceFile file = new SourceFile (meta_data.package,
+                                                                                 
source_file.get_relative_filename (),
+                                                                                 
source_file.get_csource_filename (),
+                                                                                 source_file);
+               files.set (source_file, file);
+
+               meta_data.register_source_file (source_file);
+               return file;
+       }
+
+       private SourceFile? get_source_file (Vala.Symbol symbol) {
+               Vala.SourceReference source_ref = symbol.source_reference;
+               if (source_ref == null) {
+                       return null;
+               }
+
+               SourceFile? file = files.get (source_ref.file);
+               assert (file != null);
+               return file;
+       }
+
+       private Package? find_package_for_file (Vala.SourceFile source_file) {
+               foreach (PackageMetaData pkg in this.packages) {
+                       if (pkg.is_package_for_file (source_file)) {
+                               return pkg.package;
+                       }
+               }
+
+               return null;
+       }
+
+
+       private Namespace get_namespace (Package pkg, Vala.Symbol symbol, SourceFile? file) {
+               // Find the closest namespace in our vala-tree
+               Vala.Symbol namespace_symbol = symbol;
+               while (!(namespace_symbol is Vala.Namespace)) {
+                       namespace_symbol = namespace_symbol.parent_symbol;
+               }
+
+               PackageMetaData? meta_data = get_package_meta_data (pkg);
+               assert (meta_data != null);
+
+               return meta_data.get_namespace ((Vala.Namespace) namespace_symbol, file);
+       }
+
+       private MethodBindingType get_method_binding_type (Vala.Method element) {
+               if (element.is_inline) {
+                       return MethodBindingType.INLINE;
+               } else if (element.is_abstract) {
+                       return MethodBindingType.ABSTRACT;
+               } else if (element.is_virtual) {
+                       return MethodBindingType.VIRTUAL;
+               } else if (element.overrides) {
+                       return MethodBindingType.OVERRIDE;
+               } else if (element.is_inline) {
+                       return MethodBindingType.INLINE;
+               } else if (element.binding != Vala.MemberBinding.INSTANCE) {
+                       return MethodBindingType.STATIC;
+               }
+               return MethodBindingType.UNMODIFIED;
+       }
+
+
+       private SymbolAccessibility get_access_modifier(Vala.Symbol symbol) {
+               switch (symbol.access) {
+               case Vala.SymbolAccessibility.PROTECTED:
+                       return SymbolAccessibility.PROTECTED;
+
+               case Vala.SymbolAccessibility.INTERNAL:
+                       return SymbolAccessibility.INTERNAL;
+
+               case Vala.SymbolAccessibility.PRIVATE:
+                       return SymbolAccessibility.PRIVATE;
+
+               case Vala.SymbolAccessibility.PUBLIC:
+                       return SymbolAccessibility.PUBLIC;
+
+               default:
+                       error ("Unknown symbol accessibility modifier found");
+               }
+       }
+
+       private PropertyAccessorType get_property_accessor_type (Vala.PropertyAccessor element) {
+               if (element.construction) {
+                       return PropertyAccessorType.CONSTRUCT;
+               } else if (element.writable) {
+                       return PropertyAccessorType.SET;
+               } else if (element.readable) {
+                       return PropertyAccessorType.GET;
+               }
+
+               error ("Unknown symbol accessibility type");
+       }
+
+       private bool type_reference_pass_ownership (Vala.DataType? element) {
+               if (element == null) {
+                       return false;
+               }
+
+               weak Vala.CodeNode? node = element.parent_node;
+               if (node == null) {
+                       return false;
+               }
+               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;
+               }
+
+               return false;
+       }
+
+       private bool is_type_reference_unowned (Vala.DataType? element) {
+                       if (element == null) {
+                               return false;
+                       }
+
+                       // non ref counted types are weak, not unowned
+                       if (element.data_type is Vala.TypeSymbol
+                               && is_reference_counting ((Vala.TypeSymbol) element.data_type) == true)
+                       {
+                               return false;
+                       }
+
+                       // FormalParameters are weak by default
+                       return (element.parent_node is Vala.Parameter == false)
+                               ? element.is_weak ()
+                               : false;
+       }
+
+       private bool is_type_reference_owned (Vala.DataType? element) {
+               if (element == null) {
+                       return false;
+               }
+
+               weak Vala.CodeNode parent = element.parent_node;
+
+               // parameter:
+               if (parent is Vala.Parameter) {
+                       if (((Vala.Parameter)parent).direction != Vala.ParameterDirection.IN) {
+                               return false;
+                       }
+                       return ((Vala.Parameter)parent).variable_type.value_owned;
+               }
+
+               return false;
+       }
+
+       private bool is_type_reference_weak (Vala.DataType? element) {
+               if (element == null) {
+                       return false;
+               }
+
+               // non ref counted types are unowned, not weak
+               if (element.data_type is Vala.TypeSymbol
+                       && is_reference_counting ((Vala.TypeSymbol) element.data_type) == false)
+               {
+                       return false;
+               }
+
+               // FormalParameters are weak by default
+               return (element.parent_node is Vala.Parameter == false)? element.is_weak () : false;
+       }
+
+       private Ownership get_type_reference_ownership (Vala.DataType? element) {
+               if (is_type_reference_owned (element)) {
+                       return Ownership.OWNED;
+               } else if (is_type_reference_weak (element)) {
+                       return Ownership.WEAK;
+               } else if (is_type_reference_unowned (element)) {
+                       return Ownership.UNOWNED;
+               }
+
+               return Ownership.DEFAULT;
+       }
+
+       private Ownership get_property_ownership (Vala.PropertyAccessor element) {
+               if (element.value_type.value_owned) {
+                       return Ownership.OWNED;
+               }
+
+               // the exact type (weak, unowned) does not matter
+               return Ownership.UNOWNED;
+       }
+
+       private PropertyBindingType get_property_binding_type (Vala.Property element) {
+               if (element.is_abstract) {
+                       return PropertyBindingType.ABSTRACT;
+               } else if (element.is_virtual) {
+                       return PropertyBindingType.VIRTUAL;
+               } else if (element.overrides) {
+                       return PropertyBindingType.OVERRIDE;
+               }
+
+               return PropertyBindingType.UNMODIFIED;
+       }
+
+       private FormalParameterType get_formal_parameter_type (Vala.Parameter element) {
+               if (element.direction == Vala.ParameterDirection.OUT) {
+                       return FormalParameterType.OUT;
+               } else if (element.direction == Vala.ParameterDirection.REF) {
+                       return FormalParameterType.REF;
+               } else if (element.direction == Vala.ParameterDirection.IN) {
+                       return FormalParameterType.IN;
+               }
+
+               error ("Unknown formal parameter type");
+       }
+
+
+       //
+       // Vala tree creation:
+       //
+
+       private string get_package_name (string path) {
+               string file_name = Path.get_basename (path);
+               return file_name.substring (0, file_name.last_index_of_char ('.'));
+       }
+
+       private bool add_package (Vala.CodeContext context, string pkg) {
+               // ignore multiple occurences of the same package
+               if (context.has_package (pkg)) {
+                       return true;
+               }
+
+               string vapi_name = pkg + ".vapi";
+               string gir_name = pkg + ".gir";
+               foreach (string source_file in settings.source_files) {
+                       string basename = Path.get_basename (source_file);
+                       if (basename == vapi_name || basename == gir_name) {
+                               return true;
+                       }
+               }
+
+
+               var package_path = context.get_vapi_path (pkg) ?? context.get_gir_path (pkg);
+               if (package_path == null) {
+                       Vala.Report.error (null, "Package `%s' not found in specified Vala API directories or 
GObject-Introspection GIR directories".printf (pkg));
+                       return false;
+               }
+
+               context.add_package (pkg);
+
+               var vfile = new Vala.SourceFile (context, Vala.SourceFileType.PACKAGE, package_path);
+               context.add_source_file (vfile);
+               Package vdpkg = new Package (pkg, true, null);
+               register_source_file (register_package (vdpkg), vfile);
+
+               add_deps (context, Path.build_filename (Path.get_dirname (package_path), "%s.deps".printf 
(pkg)), pkg);
+               return true;
+       }
+
+       private void add_deps (Vala.CodeContext context, string file_path, string pkg_name) {
+               if (FileUtils.test (file_path, FileTest.EXISTS)) {
+                       try {
+                               string deps_content;
+                               ulong deps_len;
+                               FileUtils.get_contents (file_path, out deps_content, out deps_len);
+                               foreach (string dep in deps_content.split ("\n")) {
+                                       dep = dep.strip ();
+                                       if (dep != "") {
+                                               if (!add_package (context, dep)) {
+                                                       Vala.Report.error (null, "%s, dependency of %s, not 
found in specified Vala API directories".printf (dep, pkg_name));
+                                               }
+                                       }
+                               }
+                       } catch (FileError e) {
+                               Vala.Report.error (null, "Unable to read dependency file: %s".printf 
(e.message));
+                       }
+               }
+       }
+
+       /**
+        * Adds the specified packages to the list of used packages.
+        *
+        * @param context The code context
+        * @param packages a list of package names
+        */
+       private void add_depencies (Vala.CodeContext context, string[] packages) {
+               foreach (string package in packages) {
+                       if (!add_package (context, package)) {
+                               Vala.Report.error (null, "Package `%s' not found in specified Vala API 
directories or GObject-Introspection GIR directories".printf (package));
+                       }
+               }
+       }
+
+       /**
+        * Add the specified source file to the context. Only .vala, .vapi, .gs,
+        * and .c files are supported.
+        */
+       private void add_documented_files (Vala.CodeContext context, string[] sources) {
+               if (sources == null) {
+                       return;
+               }
+
+               foreach (string source in sources) {
+                       if (FileUtils.test (source, FileTest.EXISTS)) {
+                               var rpath = realpath (source);
+                               if (source.has_suffix (".vala") || source.has_suffix (".gs")) {
+                                       var source_file = new Vala.SourceFile (context, 
Vala.SourceFileType.SOURCE, rpath);
+
+                                       if (source_package == null) {
+                                               source_package = register_package (new Package 
(settings.pkg_name, false, null));
+                                       }
+
+                                       register_source_file (source_package, source_file);
+
+                                       if (context.profile == Vala.Profile.GOBJECT) {
+                                               // import the GLib namespace by default (namespace of 
backend-specific standard library)
+                                               var ns_ref = new Vala.UsingDirective (new 
Vala.UnresolvedSymbol (null, "GLib", null));
+                                               source_file.add_using_directive (ns_ref);
+                                               context.root.add_using_directive (ns_ref);
+                                       }
+
+                                       context.add_source_file (source_file);
+                               } else if (source.has_suffix (".vapi") || source.has_suffix (".gir")) {
+                                       string file_name = get_package_name (source);
+
+                                       var vfile = new Vala.SourceFile (context, 
Vala.SourceFileType.PACKAGE, rpath);
+                                       context.add_source_file (vfile);
+
+                                       if (source_package == null) {
+                                               source_package = register_package (new Package 
(settings.pkg_name, false, null));
+                                       }
+
+                                       register_source_file (source_package, vfile);
+
+                                       add_deps (context, Path.build_filename (Path.get_dirname (source), 
"%s.deps".printf (file_name)), file_name);
+                               } else if (source.has_suffix (".c")) {
+                                       context.add_c_source_file (rpath);
+                                       tree.add_external_c_files (rpath);
+                               } else {
+                                       Vala.Report.error (null, "%s is not a supported source file type. 
Only .vala, .vapi, .gs, and .c files are supported.".printf (source));
+                               }
+                       } else {
+                               Vala.Report.error (null, "%s not found".printf (source));
+                       }
+               }
+       }
+
+       private Vala.CodeContext create_valac_tree (Settings settings) {
+               // init context:
+               var context = new Vala.CodeContext ();
+               Vala.CodeContext.push (context);
+
+
+               // settings:
+               context.experimental = settings.experimental;
+               context.experimental_non_null = settings.experimental || settings.experimental_non_null;
+               context.vapi_directories = settings.vapi_directories;
+               context.report.enable_warnings = settings.verbose;
+               context.metadata_directories = settings.metadata_directories;
+               context.gir_directories = settings.gir_directories;
+
+               if (settings.basedir == null) {
+                       context.basedir = realpath (".");
+               } else {
+                       context.basedir = realpath (settings.basedir);
+               }
+
+               if (settings.directory != null) {
+                       context.directory = realpath (settings.directory);
+               } else {
+                       context.directory = context.basedir;
+               }
+
+
+               // add default packages:
+               if (settings.profile == "gobject-2.0" || settings.profile == "gobject" || settings.profile == 
null) {
+                       context.profile = Vala.Profile.GOBJECT;
+                       context.add_define ("GOBJECT");
+               }
+
+
+               if (settings.defines != null) {
+                       foreach (string define in settings.defines) {
+                               context.add_define (define);
+                       }
+               }
+
+               for (int i = 2; i <= 26; i += 2) {
+                       context.add_define ("VALA_0_%d".printf (i));
+               }
+
+               if (context.profile == Vala.Profile.GOBJECT) {
+                       int glib_major = 2;
+                       int glib_minor = 12;
+
+                       context.target_glib_major = glib_major;
+                       context.target_glib_minor = glib_minor;
+                       if (context.target_glib_major != 2) {
+                               Vala.Report.error (null, "This version of valac only supports GLib 2");
+                       }
+
+                       if (settings.target_glib != null && settings.target_glib.scanf ("%d.%d", out 
glib_major, out glib_minor) != 2) {
+                               Vala.Report.error (null, "Invalid format for --target-glib");
+                       }
+
+                       context.target_glib_major = glib_major;
+                       context.target_glib_minor = glib_minor;
+                       if (context.target_glib_major != 2) {
+                               Vala.Report.error (null, "This version of valac only supports GLib 2");
+                       }
+
+                       for (int i = 16; i <= glib_minor; i += 2) {
+                               context.add_define ("GLIB_2_%d".printf (i));
+                       }
+
+                       // default packages
+                       if (!this.add_package (context, "glib-2.0")) { //
+                               Vala.Report.error (null, "glib-2.0 not found in specified Vala API 
directories");
+                       }
+
+                       if (!this.add_package (context, "gobject-2.0")) { //
+                               Vala.Report.error (null, "gobject-2.0 not found in specified Vala API 
directories");
+                       }
+               }
+
+               // add user defined files:
+               add_depencies (context, settings.packages);
+               if (reporter.errors > 0) {
+                       return context;
+               }
+
+               add_documented_files (context, settings.source_files);
+               if (reporter.errors > 0) {
+                       return context;
+               }
+
+
+               // parse vala-code:
+               Vala.Parser parser = new Vala.Parser ();
+
+               parser.parse (context);
+               if (context.report.get_errors () > 0) {
+                       return context;
+               }
+
+               // parse gir:
+               Vala.GirParser gir_parser = new Vala.GirParser ();
+
+               gir_parser.parse (context);
+               if (context.report.get_errors () > 0) {
+                       return context;
+               }
+
+
+
+               // check context:
+               context.check ();
+               if (context.report.get_errors () > 0) {
+                       return context;
+               }
+
+               return context;
+       }
+
+
+
+       //
+       // Valadoc tree creation:
+       //
+
+       private void process_children (Api.Node node, Vala.CodeNode element) {
+               Api.Node old_node = current_node;
+               current_node = node;
+               element.accept_children (this);
+               current_node = old_node;
+       }
+
+       private Api.Node get_parent_node_for (Vala.Symbol element) {
+               if (current_node != null) {
+                       return current_node;
+               }
+
+               Vala.SourceFile vala_source_file = element.source_reference.file;
+               Package package = find_package_for_file (vala_source_file);
+               SourceFile? source_file = get_source_file (element);
+
+               return get_namespace (package, element, source_file);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_namespace (Vala.Namespace element) {
+               element.accept_children (this);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_class (Vala.Class element) {
+               Api.Node parent = get_parent_node_for (element);
+               SourceFile? file = get_source_file (element);
+               SourceComment? comment = create_comment (element.comment);
+
+               bool is_basic_type = element.base_class == null && element.name == "string";
+
+               Class node = new Class (parent,
+                                                               file,
+                                                               element.name,
+                                                               get_access_modifier (element),
+                                                               comment,
+                                                               get_cname (element),
+                                                               get_private_cname (element),
+                                                               get_class_macro_name (element),
+                                                               get_type_macro_name (element),
+                                                               get_is_type_macro_name (element),
+                                                               get_type_cast_macro_name (element),
+                                                               get_type_function_name (element),
+                                                               get_class_type_macro_name (element),
+                                                               get_is_class_type_macro_name (element),
+                                                               Vala.GDBusModule.get_dbus_name (element),
+                                                               get_ccode_type_id (element),
+                                                               get_param_spec_function (element),
+                                                               get_ref_function (element),
+                                                               get_unref_function (element),
+                                                               get_free_function_name (element),
+                                                               get_finalize_function_name (element),
+                                                               get_take_value_function (element),
+                                                               get_get_value_function (element),
+                                                               get_set_value_function (element),
+                                                               element.is_fundamental (),
+                                                               element.is_abstract,
+                                                               is_basic_type,
+                                                               element);
+               symbol_map.set (element, node);
+               parent.add_child (node);
+
+               // relations
+               foreach (Vala.DataType vala_type_ref in element.get_base_types ()) {
+                       var type_ref = create_type_reference (vala_type_ref, node, node);
+
+                       if (vala_type_ref.data_type is Vala.Interface) {
+                               node.add_interface (type_ref);
+                       } else if (vala_type_ref.data_type is Vala.Class) {
+                               node.base_type = type_ref;
+                       }
+               }
+
+               process_attributes (node, element.attributes);
+               process_children (node, element);
+
+               // save GLib.Error
+               if (glib_error == null && node.get_full_name () == "GLib.Error") {
+                       glib_error = node;
+               }
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_interface (Vala.Interface element) {
+               Api.Node parent = get_parent_node_for (element);
+               SourceFile? file = get_source_file (element);
+               SourceComment? comment = create_comment (element.comment);
+
+               Interface node = new Interface (parent,
+                                                                               file,
+                                                                               element.name,
+                                                                               get_access_modifier (element),
+                                                                               comment,
+                                                                               get_cname (element),
+                                                                               get_type_macro_name (element),
+                                                                               get_is_type_macro_name 
(element),
+                                                                               get_type_cast_macro_name 
(element),
+                                                                               get_type_function_name 
(element),
+                                                                               get_interface_macro_name 
(element),
+                                                                               
Vala.GDBusModule.get_dbus_name (element),
+                                                                               element);
+               symbol_map.set (element, node);
+               parent.add_child (node);
+
+               // prerequisites:
+               foreach (Vala.DataType vala_type_ref in element.get_prerequisites ()) {
+                       TypeReference type_ref = create_type_reference (vala_type_ref, node, node);
+                       if (vala_type_ref.data_type is Vala.Interface) {
+                               node.add_interface (type_ref);
+                       } else {
+                               node.base_type = type_ref;
+                       }
+               }
+
+               process_attributes (node, element.attributes);
+               process_children (node, element);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_struct (Vala.Struct element) {
+               Api.Node parent = get_parent_node_for (element);
+               SourceFile? file = get_source_file (element);
+               SourceComment? comment = create_comment (element.comment);
+
+               bool is_basic_type = element.base_type == null
+                       && (element.is_boolean_type ()
+                       || element.is_floating_type ()
+                       || element.is_integer_type ());
+
+               Struct node = new Struct (parent,
+                                                                 file,
+                                                                 element.name,
+                                                                 get_access_modifier (element),
+                                                                 comment,
+                                                                 get_cname (element),
+                                                                 get_type_macro_name (element),
+                                                                 get_type_function_name (element),
+                                                                 get_ccode_type_id (element),
+                                                                 get_dup_function (element),
+                                                                 get_copy_function (element),
+                                                                 get_destroy_function (element),
+                                                                 get_free_function (element),
+                                                                 is_basic_type,
+                                                                 element);
+               symbol_map.set (element, node);
+               parent.add_child (node);
+
+               // parent type:
+               Vala.ValueType? basetype = element.base_type as Vala.ValueType;
+               if (basetype != null) {
+                       node.base_type = create_type_reference (basetype, node, node);
+               }
+
+               process_attributes (node, element.attributes);
+               process_children (node, element);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_field (Vala.Field element) {
+               Api.Node parent = get_parent_node_for (element);
+               SourceFile? file = get_source_file (element);
+               SourceComment? comment = create_comment (element.comment);
+
+               Field node = new Field (parent,
+                                                               file,
+                                                               element.name,
+                                                               get_access_modifier (element),
+                                                               comment,
+                                                               get_cname (element),
+                                                               element.binding == Vala.MemberBinding.STATIC,
+                                                               element.is_volatile,
+                                                               element);
+               node.field_type = create_type_reference (element.variable_type, node, node);
+               symbol_map.set (element, node);
+               parent.add_child (node);
+
+               process_attributes (node, element.attributes);
+               process_children (node, element);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_property (Vala.Property element) {
+               Api.Node parent = get_parent_node_for (element);
+               SourceFile? file = get_source_file (element);
+               SourceComment? comment = create_comment (element.comment);
+
+               Property node = new Property (parent,
+                                                                         file,
+                                                                         element.name,
+                                                                         get_access_modifier (element),
+                                                                         comment,
+                                                                         get_nick (element),
+                                                                         
Vala.GDBusModule.get_dbus_name_for_member (element),
+                                                                         
Vala.GDBusServerModule.is_dbus_visible (element),
+                                                                         get_property_binding_type (element),
+                                                                         element);
+               node.property_type = create_type_reference (element.property_type, node, node);
+               symbol_map.set (element, node);
+               parent.add_child (node);
+
+               // Process property type
+               if (element.get_accessor != null) {
+                       var accessor = element.get_accessor;
+                       node.getter = new PropertyAccessor (node,
+                                                                                               file,
+                                                                                               element.name,
+                                                                                               
get_access_modifier (accessor),
+                                                                                               get_cname 
(accessor),
+                                                                                               
get_property_accessor_type (accessor),
+                                                                                               
get_property_ownership (accessor),
+                                                                                               accessor);
+               }
+
+               if (element.set_accessor != null) {
+                       var accessor = element.set_accessor;
+                       node.setter = new PropertyAccessor (node,
+                                                                                               file,
+                                                                                               element.name,
+                                                                                               
get_access_modifier (accessor),
+                                                                                               get_cname 
(accessor),
+                                                                                               
get_property_accessor_type (accessor),
+                                                                                               
get_property_ownership (accessor),
+                                                                                               accessor);
+               }
+
+               process_attributes (node, element.attributes);
+               process_children (node, element);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_creation_method (Vala.CreationMethod element) {
+               Api.Node parent = get_parent_node_for (element);
+               SourceFile? file = get_source_file (element);
+               SourceComment? comment = create_comment (element.comment);
+
+               Method node = new Method (parent,
+                                                                 file,
+                                                                 get_method_name (element),
+                                                                 get_access_modifier (element),
+                                                                 comment,
+                                                                 get_cname (element),
+                                                                 Vala.GDBusModule.get_dbus_name_for_member 
(element),
+                                                                 Vala.GDBusServerModule.dbus_result_name 
(element),
+                                                                 (element.coroutine)? get_finish_name 
(element) : null,
+                                                                 get_method_binding_type (element),
+                                                                 element.coroutine,
+                                                                 Vala.GDBusServerModule.is_dbus_visible 
(element),
+                                                                 element is Vala.CreationMethod,
+                                                                 element);
+               node.return_type = create_type_reference (element.return_type, node, node);
+               symbol_map.set (element, node);
+               parent.add_child (node);
+
+               process_attributes (node, element.attributes);
+               process_children (node, element);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_method (Vala.Method element) {
+               Api.Node parent = get_parent_node_for (element);
+               SourceFile? file = get_source_file (element);
+               SourceComment? comment = create_comment (element.comment);
+
+               Method node = new Method (parent,
+                                                                 file,
+                                                                 get_method_name (element),
+                                                                 get_access_modifier (element),
+                                                                 comment,
+                                                                 get_cname (element),
+                                                                 Vala.GDBusModule.get_dbus_name_for_member 
(element),
+                                                                 Vala.GDBusServerModule.dbus_result_name 
(element),
+                                                                 (element.coroutine)? get_finish_name 
(element) : null,
+                                                                 get_method_binding_type (element),
+                                                                 element.coroutine,
+                                                                 Vala.GDBusServerModule.is_dbus_visible 
(element),
+                                                                 element is Vala.CreationMethod,
+                                                                 element);
+               node.return_type = create_type_reference (element.return_type, node, node);
+               symbol_map.set (element, node);
+               parent.add_child (node);
+
+               process_attributes (node, element.attributes);
+               process_children (node, element);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_signal (Vala.Signal element) {
+               Api.Node parent = get_parent_node_for (element);
+               SourceFile? file = get_source_file (element);
+               SourceComment? comment = create_comment (element.comment);
+
+               Api.Signal node = new Api.Signal (parent,
+                                                                                 file,
+                                                                                 element.name,
+                                                                                 get_access_modifier 
(element),
+                                                                                 comment,
+                                                                                 get_cname (element),
+                                                                                 
Vala.GDBusModule.get_dbus_name_for_member (element),
+                                                                                 
Vala.GDBusServerModule.is_dbus_visible (element),
+                                                                                 element.is_virtual,
+                                                                                 element);
+               node.return_type = create_type_reference (element.return_type, node, node);
+               symbol_map.set (element, node);
+               parent.add_child (node);
+
+               process_attributes (node, element.attributes);
+               process_children (node, element);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_delegate (Vala.Delegate element) {
+               Api.Node parent = get_parent_node_for (element);
+               SourceFile? file = get_source_file (element);
+               SourceComment? comment = create_comment (element.comment);
+
+               Delegate node = new Delegate (parent,
+                                                                         file,
+                                                                         element.name,
+                                                                         get_access_modifier (element),
+                                                                         comment,
+                                                                         get_cname (element),
+                                                                         !element.has_target,
+                                                                         element);
+               node.return_type = create_type_reference (element.return_type, node, node);
+               symbol_map.set (element, node);
+               parent.add_child (node);
+
+               process_attributes (node, element.attributes);
+               process_children (node, element);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_enum (Vala.Enum element) {
+               Api.Node parent = get_parent_node_for (element);
+               SourceFile? file = get_source_file (element);
+               SourceComment? comment = create_comment (element.comment);
+
+               Symbol node = new Enum (parent,
+                                                               file,
+                                                               element.name,
+                                                               get_access_modifier (element),
+                                                               comment,
+                                                               get_cname (element),
+                                                               get_type_macro_name (element),
+                                                               get_type_function_name (element),
+                                                               element);
+               symbol_map.set (element, node);
+               parent.add_child (node);
+
+               process_attributes (node, element.attributes);
+               process_children (node, element);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_enum_value (Vala.EnumValue element) {
+               Api.Enum parent = (Enum) get_parent_node_for (element);
+               SourceFile? file = get_source_file (element);
+               SourceComment? comment = create_comment (element.comment);
+
+               Symbol node = new Api.EnumValue (parent,
+                                                                                file,
+                                                                                element.name,
+                                                                                comment,
+                                                                                get_cname (element),
+                                                                                element);
+               symbol_map.set (element, node);
+               parent.add_child (node);
+
+               process_attributes (node, element.attributes);
+               process_children (node, element);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_constant (Vala.Constant element) {
+               Api.Node parent = get_parent_node_for (element);
+               SourceFile? file = get_source_file (element);
+               SourceComment? comment = create_comment (element.comment);
+
+               Constant node = new Constant (parent,
+                                                                         file,
+                                                                         element.name,
+                                                                         get_access_modifier (element),
+                                                                         comment,
+                                                                         get_cname (element),
+                                                                         element);
+               node.constant_type = create_type_reference (element.type_reference, node, node);
+               symbol_map.set (element, node);
+               parent.add_child (node);
+
+               process_attributes (node, element.attributes);
+               process_children (node, element);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_error_domain (Vala.ErrorDomain element) {
+               Api.Node parent = get_parent_node_for (element);
+               SourceFile? file = get_source_file (element);
+               SourceComment? comment = create_comment (element.comment);
+
+               Symbol node = new ErrorDomain (parent,
+                                                                          file,
+                                                                          element.name,
+                                                                          get_access_modifier (element),
+                                                                          comment,
+                                                                          get_cname (element),
+                                                                          get_quark_macro_name (element),
+                                                                          get_quark_function_name (element),
+                                                                          Vala.GDBusModule.get_dbus_name 
(element),
+                                                                         element);
+               symbol_map.set (element, node);
+               parent.add_child (node);
+
+               process_attributes (node, element.attributes);
+               process_children (node, element);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_error_code (Vala.ErrorCode element) {
+               Api.ErrorDomain parent = (ErrorDomain) get_parent_node_for (element);
+               SourceFile? file = get_source_file (element);
+               if (file == null) {
+                       file = parent.get_source_file ();
+               }
+
+               SourceComment? comment = create_comment (element.comment);
+
+               Symbol node = new Api.ErrorCode (parent,
+                                                                                file,
+                                                                                element.name,
+                                                                                comment,
+                                                                                get_cname (element),
+                                                                                
Vala.GDBusModule.get_dbus_name_for_member (element),
+                                                                                element);
+               symbol_map.set (element, node);
+               parent.add_child (node);
+
+               process_attributes (node, element.attributes);
+               process_children (node, element);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_type_parameter (Vala.TypeParameter element) {
+               Api.Node parent = get_parent_node_for (element);
+               SourceFile? file = get_source_file (element);
+
+               Symbol node = new TypeParameter (parent,
+                                                                                file,
+                                                                                element.name,
+                                                                                element);
+               symbol_map.set (element, node);
+               parent.add_child (node);
+
+               process_children (node, element);
+       }
+
+       /**
+        * { inheritDoc}
+        */
+       public override void visit_formal_parameter (Vala.Parameter element) {
+               Api.Node parent = get_parent_node_for (element);
+               SourceFile? file = get_source_file (element);
+
+               FormalParameter node = new FormalParameter (parent,
+                                                                                                       file,
+                                                                                                       
element.name,
+                                                                                                       
get_access_modifier(element),
+                                                                                                       
get_formal_parameter_type (element),
+                                                                                                       
element.ellipsis,
+                                                                                                       
element);
+               node.parameter_type = create_type_reference (element.variable_type, node, node);
+               parent.add_child (node);
+
+               process_children (node, element);
+       }       
+
+
+       //
+       // startpoint:
+       //
+
+       public Api.Tree? build (Settings settings, ErrorReporter reporter) {
+               this.settings = settings;
+               this.reporter = reporter;
+
+               this.tree = new Api.Tree (reporter, settings);
+               var context = create_valac_tree (settings);
+               this.tree.data = context;
+
+               reporter.warnings_offset = context.report.get_warnings ();
+               reporter.errors_offset = context.report.get_errors ();
+
+               if (context == null) {
+                       return null;
+               }
+
+               // TODO: Register all packages here
+               // register packages included by gir-files
+               foreach (Vala.SourceFile vfile in context.get_source_files ()) {
+                       if (vfile.file_type == Vala.SourceFileType.PACKAGE
+                               && vfile.get_nodes ().size > 0
+                               && files.has_key (vfile) == false)
+                       {
+                               Package vdpkg = new Package (get_package_name (vfile.filename), true, null);
+                               register_source_file (register_package (vdpkg), vfile);
+                       }
+               }
+
+               context.accept(this);
+
+               return (reporter.errors == 0)? tree : null;
+       }
+}
+
+
diff --git a/src/driver/Makefile.am b/src/driver/Makefile.am
index 114448b..9832c63 100644
--- a/src/driver/Makefile.am
+++ b/src/driver/Makefile.am
@@ -24,6 +24,10 @@ if HAVE_LIBVALA_0_24_X
 DRIVER_0_24_X_DIR = 0.24.x
 endif
 
+if HAVE_LIBVALA_0_26_X
+DRIVER_0_26_X_DIR = 0.26.x
+endif
+
 
 SUBDIRS = \
        $(DRIVER_0_16_X_DIR) \
@@ -31,5 +35,6 @@ SUBDIRS = \
        $(DRIVER_0_20_X_DIR) \
        $(DRIVER_0_22_X_DIR) \
        $(DRIVER_0_24_X_DIR) \
+       $(DRIVER_0_26_X_DIR) \
        $(NULL)
 
diff --git a/src/libvaladoc/moduleloader.vala b/src/libvaladoc/moduleloader.vala
index b8d2003..70cd73b 100644
--- a/src/libvaladoc/moduleloader.vala
+++ b/src/libvaladoc/moduleloader.vala
@@ -159,7 +159,8 @@ public class Valadoc.ModuleLoader : Object {
                                DriverMetaData (0, 17,  0, 18,  "0.18.x"),
                                DriverMetaData (0, 19,  0, 20,  "0.20.x"),
                                DriverMetaData (0, 21,  0, 22,  "0.22.x"),
-                               DriverMetaData (0, 23,  0, 24,  "0.24.x")
+                               DriverMetaData (0, 23,  0, 24,  "0.24.x"),
+                               DriverMetaData (0, 25,  0, 26,  "0.26.x")
                        };
 
 
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 74f9578..e8e2476 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -28,6 +28,7 @@ TESTS = \
        drivers/driver-0-20.vala \
        drivers/driver-0-22.vala \
        drivers/driver-0-24.vala \
+       drivers/driver-0-26.vala \
        $(NULL)
 
 check-TESTS: $(TESTS)
diff --git a/tests/drivers/driver-0-26.vala b/tests/drivers/driver-0-26.vala
new file mode 100644
index 0000000..1a25217
--- /dev/null
+++ b/tests/drivers/driver-0-26.vala
@@ -0,0 +1,6 @@
+
+
+public static void main () {
+       test_driver ("../../src/driver/0.26.x/.libs");
+}
+


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