[vala/wip/attributes: 37/37] Drop C specific methods from the code tree



commit 3d9162f5ae7e6b6a6bd455ddfe62e2a1b9cc189e
Author: Luca Bruno <lucabru src gnome org>
Date:   Wed Jul 6 09:56:18 2011 +0200

    Drop C specific methods from the code tree

 vala/valaarrayresizemethod.vala        |    2 +-
 vala/valaarraytype.vala                |   28 +--
 vala/valaclass.vala                    |  406 +-------------------------------
 vala/valaclasstype.vala                |    4 -
 vala/valaconstant.vala                 |   58 -----
 vala/valacreationmethod.vala           |   60 -----
 vala/valadatatype.vala                 |   59 +-----
 vala/valadelegate.vala                 |  131 ----------
 vala/valadelegatetype.vala             |   12 -
 vala/valadynamicmethod.vala            |   15 --
 vala/valadynamicproperty.vala          |    4 -
 vala/valaenum.vala                     |  193 +--------------
 vala/valaenumvalue.vala                |    7 -
 vala/valaerrorcode.vala                |   41 ----
 vala/valaerrordomain.vala              |  110 ---------
 vala/valaerrortype.vala                |   26 --
 vala/valafield.vala                    |   76 +------
 vala/valagenerictype.vala              |   16 --
 vala/valainterface.vala                |  253 --------------------
 vala/valainterfacetype.vala            |    4 -
 vala/valalambdaexpression.vala         |    4 +-
 vala/valamethod.vala                   |  286 ++---------------------
 vala/valamethodtype.vala               |    4 -
 vala/valanamespace.vala                |  117 +---------
 vala/valanulltype.vala                 |    8 -
 vala/valaobjectcreationexpression.vala |    3 +-
 vala/valaobjecttype.vala               |   10 -
 vala/valaparameter.vala                |   61 +-----
 vala/valapointertype.vala              |   14 +-
 vala/valaproperty.vala                 |  118 ---------
 vala/valapropertyaccessor.vala         |   41 ----
 vala/valasemanticanalyzer.vala         |    2 +
 vala/valasignal.vala                   |  115 ---------
 vala/valastruct.vala                   |  362 ----------------------------
 vala/valasymbol.vala                   |  135 -----------
 vala/valatypesymbol.vala               |  180 --------------
 vala/valavaluetype.vala                |    8 -
 vala/valavariable.vala                 |  111 ---------
 vala/valavoidtype.vala                 |    8 -
 39 files changed, 64 insertions(+), 3028 deletions(-)
---
diff --git a/vala/valaarrayresizemethod.vala b/vala/valaarrayresizemethod.vala
index ff9bc61..c100877 100644
--- a/vala/valaarrayresizemethod.vala
+++ b/vala/valaarrayresizemethod.vala
@@ -34,6 +34,6 @@ public class Vala.ArrayResizeMethod : Method {
 	public ArrayResizeMethod (SourceReference source_reference) {
 		base ("resize", new VoidType (), source_reference);
 		external = true;
-		cinstance_parameter_position = 0.1;
+		set_attribute_double ("CCode", "instance_pos", 0.1);
 	}
 }
diff --git a/vala/valaarraytype.vala b/vala/valaarraytype.vala
index ed28410..6929aee 100644
--- a/vala/valaarraytype.vala
+++ b/vala/valaarraytype.vala
@@ -102,7 +102,7 @@ public class Vala.ArrayType : ReferenceType {
 			resize_method.return_type = new VoidType ();
 			resize_method.access = SymbolAccessibility.PUBLIC;
 
-			resize_method.set_cname ("g_renew");
+			resize_method.set_attribute_string ("CCode", "cname", "g_renew");
 			
 			var root_symbol = source_reference.file.context.root;
 			var int_type = new IntegerType ((Struct) root_symbol.scope.lookup ("int"));
@@ -121,7 +121,7 @@ public class Vala.ArrayType : ReferenceType {
 			move_method.return_type = new VoidType ();
 			move_method.access = SymbolAccessibility.PUBLIC;
 
-			move_method.set_cname ("_vala_array_move");
+			move_method.set_attribute_string ("CCode", "cname", "_vala_array_move");
 
 			var root_symbol = source_reference.file.context.root;
 			var int_type = new IntegerType ((Struct) root_symbol.scope.lookup ("int"));
@@ -148,18 +148,6 @@ public class Vala.ArrayType : ReferenceType {
 		return result;
 	}
 
-	public override string? get_cname () {
-		if (inline_allocated) {
-			return element_type.get_cname ();
-		} else {
-			if (CodeContext.get ().profile == Profile.DOVA) {
-				return "DovaArray";
-			} else {
-				return element_type.get_cname () + "*";
-			}
-		}
-	}
-
 	public override string get_cdeclarator_suffix () {
 		if (fixed_length) {
 			return "[%d]".printf (length);
@@ -179,12 +167,12 @@ public class Vala.ArrayType : ReferenceType {
 	}
 
 	public override bool compatible (DataType target_type) {
-		if (target_type.get_type_id () == "G_TYPE_VALUE" && element_type.data_type == CodeContext.get ().root.scope.lookup ("string")) {
+		if (target_type.data_type == CodeContext.get ().analyzer.gvalue_type.data_type && element_type.data_type == CodeContext.get ().root.scope.lookup ("string")) {
 			// allow implicit conversion from string[] to GValue
 			return true;
 		}
 
-		if (target_type.get_type_id () == "G_TYPE_VARIANT") {
+		if (target_type.data_type == CodeContext.get ().analyzer.gvariant_type.data_type) {
 			// allow implicit conversion to GVariant
 			return true;
 		}
@@ -243,14 +231,6 @@ public class Vala.ArrayType : ReferenceType {
 		return element_type.check (context);
 	}
 
-	public override string? get_type_id () {
-		if (element_type.data_type == CodeContext.get ().root.scope.lookup ("string")) {
-			return "G_TYPE_STRV";
-		} else {
-			return null;
-		}
-	}
-
 	public override DataType get_actual_type (DataType? derived_instance_type, MemberAccess? method_access, CodeNode node_reference) {
 		if (derived_instance_type == null && method_access == null) {
 			return this;
diff --git a/vala/valaclass.vala b/vala/valaclass.vala
index 038550e..87a0441 100644
--- a/vala/valaclass.vala
+++ b/vala/valaclass.vala
@@ -44,8 +44,12 @@ public class Vala.Class : ObjectTypeSymbol {
 	 */
 	public bool is_compact {
 		get {
-			if (base_class != null) {
-				return base_class.is_compact;
+			if (_is_compact == null) {
+				if (base_class != null) {
+					_is_compact = base_class.is_compact;
+				} else {
+					_is_compact = get_attribute ("Compact") != null;
+				}
 			}
 			if (_is_compact == null) {
 				_is_compact = get_attribute ("Compact") != null;
@@ -63,8 +67,12 @@ public class Vala.Class : ObjectTypeSymbol {
 	 */
 	public bool is_immutable {
 		get {
-			if (base_class != null) {
-				return base_class.is_immutable;
+			if (_is_immutable == null) {
+				if (base_class != null) {
+					_is_immutable = base_class.is_immutable;
+				} else {
+					_is_immutable = get_attribute ("Immutable") != null;
+				}
 			}
 			if (_is_immutable == null) {
 				_is_immutable = get_attribute ("Immutable") != null;
@@ -78,29 +86,6 @@ public class Vala.Class : ObjectTypeSymbol {
 	}
 
 	/**
-	 * Specifies wheather the ref function returns void instead of the
-	 * object.
-	 */
-	public bool ref_function_void {
-		get {
-			if (base_class != null) {
-				return base_class.ref_function_void;
-			}
-			return _ref_function_void;
-		}
-		set {
-			_ref_function_void = value;
-		}
-	}
-
-	/**
-	 * The name of the function to use to check whether a value is an instance of
-	 * this class. If this is null then the default type check function should be 
-	 * used instead.
-	 */
-	public string? type_check_function { get; set; }
-
-	/**
 	 * Specifies whether this class has private fields.
 	 */
 	public bool has_private_fields { get; set; }
@@ -110,30 +95,6 @@ public class Vala.Class : ObjectTypeSymbol {
 	 */
 	public bool has_class_private_fields { get; private set; }
 
-	/**
-	 * Specifies whether the free function requires the address of a
-	 * pointer instead of just the pointer.
-	 */
-	public bool free_function_address_of { get; private set; }
-
-	public bool is_gboxed { get { return (free_function == "g_boxed_free"); } }
-
-	private string cname;
-	public string const_cname { get; set; }
-	private string lower_case_cprefix;
-	private string lower_case_csuffix;
-	private string type_id;
-	private string ref_function;
-	private string unref_function;
-	private bool _ref_function_void;
-	private string ref_sink_function;
-	private string param_spec_function;
-	private string copy_function;
-	private string free_function;
-	private string marshaller_type_name;
-	private string get_value_function;
-	private string set_value_function;
-	private string take_value_function;
 	private bool? _is_compact;
 	private bool? _is_immutable;
 
@@ -592,281 +553,10 @@ public class Vala.Class : ObjectTypeSymbol {
 		}
 	}
 
-	public override string get_cprefix () {
-		return get_cname ();
-	}
-
-	public override string get_cname (bool const_type = false) {
-		if (const_type) {
-			if (const_cname != null) {
-				return const_cname;
-			} else if (is_immutable) {
-				return "const " + get_cname (false);
-			}
-		}
-
-		if (cname == null) {
-			var attr = get_attribute ("CCode");
-			if (attr != null) {
-				cname = attr.get_string ("cname");
-			}
-			if (cname == null) {
-				cname = get_default_cname ();
-			}
-		}
-		return cname;
-	}
-
-	/**
-	 * Returns the default name of this class as it is used in C code.
-	 *
-	 * @return the name to be used in C code by default
-	 */
-	public string get_default_cname () {
-		return "%s%s".printf (parent_symbol.get_cprefix (), name);
-	}
-
-	/**
-	 * Sets the name of this class as it is used in C code.
-	 *
-	 * @param cname the name to be used in C code
-	 */
-	public void set_cname (string cname) {
-		this.cname = cname;
-	}
-
-	private string get_lower_case_csuffix () {
-		if (lower_case_csuffix == null) {
-			lower_case_csuffix = camel_case_to_lower_case (name);
-
-			// remove underscores in some cases to avoid conflicts of type macros
-			if (lower_case_csuffix.has_prefix ("type_")) {
-				lower_case_csuffix = "type" + lower_case_csuffix.substring ("type_".length);
-			} else if (lower_case_csuffix.has_prefix ("is_")) {
-				lower_case_csuffix = "is" + lower_case_csuffix.substring ("is_".length);
-			}
-			if (lower_case_csuffix.has_suffix ("_class")) {
-				lower_case_csuffix = lower_case_csuffix.substring (0, lower_case_csuffix.length - "_class".length) + "class";
-			}
-		}
-		return lower_case_csuffix;
-	}
-
-	public override string? get_lower_case_cname (string? infix) {
-		if (infix == null) {
-			infix = "";
-		}
-		return "%s%s%s".printf (parent_symbol.get_lower_case_cprefix (), infix, get_lower_case_csuffix ());
-	}
-	
-	public override string get_lower_case_cprefix () {
-		if (lower_case_cprefix == null) {
-			lower_case_cprefix = "%s_".printf (get_lower_case_cname (null));
-		}
-		return lower_case_cprefix;
-	}
-
-	public void set_lower_case_cprefix (string cprefix) {
-		lower_case_cprefix = cprefix;
-	}
-	
-	public override string? get_upper_case_cname (string? infix) {
-		return get_lower_case_cname (infix).up ();
-	}
-
 	public override bool is_reference_type () {
 		return true;
 	}
 
-	private void process_gir_attribute (Attribute a) {
-		if (a.has_argument ("name")) {
-			gir_name = a.get_string ("name");
-		}
-	}
-	
-	private void process_ccode_attribute (Attribute a) {
-		if (a.has_argument ("ref_function")) {
-			set_ref_function (a.get_string ("ref_function"));
-		}
-		if (a.has_argument ("ref_function_void")) {
-			this.ref_function_void = a.get_bool ("ref_function_void");
-		}
-		if (a.has_argument ("unref_function")) {
-			set_unref_function (a.get_string ("unref_function"));
-		}
-		if (a.has_argument ("ref_sink_function")) {
-			set_ref_sink_function (a.get_string ("ref_sink_function"));
-		}
-		if (a.has_argument ("copy_function")) {
-			set_dup_function (a.get_string ("copy_function"));
-		}
-		if (a.has_argument ("free_function")) {
-			set_free_function (a.get_string ("free_function"));
-		}
-		if (a.has_argument ("free_function_address_of")) {
-			free_function_address_of = a.get_bool ("free_function_address_of");
-		}
-		if (a.has_argument ("type_id")) {
-			type_id = a.get_string ("type_id");
-		}
-		if (a.has_argument ("marshaller_type_name")) {
-			marshaller_type_name = a.get_string ("marshaller_type_name");
-		}
-		if (a.has_argument ("get_value_function")) {
-			get_value_function = a.get_string ("get_value_function");
-		}
-		if (a.has_argument ("set_value_function")) {
-			set_value_function = a.get_string ("set_value_function");
-		}
-		if (a.has_argument ("take_value_function")) {
-			take_value_function = a.get_string ("take_value_function");
-		}
-
-		if (a.has_argument ("const_cname")) {
-			const_cname = a.get_string ("const_cname");
-		}
-		if (a.has_argument ("cprefix")) {
-			lower_case_cprefix = a.get_string ("cprefix");
-		}
-		if (a.has_argument ("lower_case_csuffix")) {
-			lower_case_csuffix = a.get_string ("lower_case_csuffix");
-		}
-		if (a.has_argument ("cheader_filename")) {
-			var val = a.get_string ("cheader_filename");
-			foreach (string filename in val.split (",")) {
-				add_cheader_filename (filename);
-			}
-		}
-		if (a.has_argument ("type_check_function")) {
-			type_check_function = a.get_string ("type_check_function");
-		}
-
-		if (a.has_argument ("param_spec_function")) {
-			param_spec_function = a.get_string ("param_spec_function");
-		}
-	}
-
-	/**
-	 * Process all associated attributes.
-	 */
-	public void process_attributes () {
-		foreach (Attribute a in attributes) {
-			if (a.name == "CCode") {
-				process_ccode_attribute (a);
-			} else if (a.name == "GIR") {
-				process_gir_attribute (a);
-			}
-		}
-	}
-
-	public string? get_default_type_id () {
-		if (is_compact) {
-			return "G_TYPE_POINTER";
-		}
-
-		return get_upper_case_cname ("TYPE_");
-	}
-
-	public override string? get_type_id () {
-		if (type_id == null) {
-			type_id = get_default_type_id ();
-		}
-
-		return type_id;
-	}
-
-	public void set_type_id (string type_id) {
-		this.type_id = type_id;
-	}
-
-	public override string? get_marshaller_type_name () {
-		if (marshaller_type_name == null) {
-			if (base_class != null) {
-				marshaller_type_name = base_class.get_marshaller_type_name ();
-			} else if (!is_compact) {
-				marshaller_type_name = get_upper_case_cname ();
-			} else if (get_type_id () == "G_TYPE_POINTER") {
-				marshaller_type_name = "POINTER";
-			} else {
-				marshaller_type_name = "BOXED";
-			}
-		}
-
-		return marshaller_type_name;
-	}
-
-	public override string? get_param_spec_function () {
-		if (param_spec_function == null) {
-			param_spec_function = get_default_param_spec_function ();
-		}
-
-		return param_spec_function;
-	}
-
-	public string? get_default_param_spec_function () {
-		if (is_fundamental ()) {
-			return get_lower_case_cname ("param_spec_");
-		} else if (base_class != null) {
-			return base_class.get_param_spec_function ();
-		} else if (get_type_id () == "G_TYPE_POINTER") {
-			return "g_param_spec_pointer";
-		} else {
-			return "g_param_spec_boxed";
-		}
-	}
-
-	public override string? get_get_value_function () {
-		if (get_value_function == null) {
-			if (is_fundamental ()) {
-				get_value_function = get_lower_case_cname ("value_get_");
-			} else if (base_class != null) {
-				get_value_function = base_class.get_get_value_function ();
-			} else if (get_type_id () == "G_TYPE_POINTER") {
-				get_value_function = "g_value_get_pointer";
-			} else {
-				get_value_function = "g_value_get_boxed";
-			}
-		}
-
-		return get_value_function;
-	}
-	
-	public override string? get_set_value_function () {
-		if (set_value_function == null) {
-			if (is_fundamental ()) {
-				set_value_function = get_lower_case_cname ("value_set_");
-			} else if (base_class != null) {
-				set_value_function = base_class.get_set_value_function ();
-			} else if (get_type_id () == "G_TYPE_POINTER") {
-				set_value_function = "g_value_set_pointer";
-			} else {
-				set_value_function = "g_value_set_boxed";
-			}
-		}
-
-		return set_value_function;
-	}
-
-	public override string? get_take_value_function () {
-		if (take_value_function == null) {
-			if (is_fundamental ()) {
-				take_value_function = get_lower_case_cname ("value_take_");
-			} else if (base_class != null) {
-				take_value_function = base_class.get_take_value_function ();
-			} else if (get_type_id () == "G_TYPE_POINTER") {
-				take_value_function = "g_value_set_pointer";
-			} else {
-				take_value_function = "g_value_take_boxed";
-			}
-		}
-
-		return take_value_function;
-	}
-
-	public override bool is_reference_counting () {
-		return get_ref_function () != null;
-	}
-
 	public bool is_fundamental () {
 		if (!is_compact && base_class == null) {
 			return true;
@@ -876,76 +566,6 @@ public class Vala.Class : ObjectTypeSymbol {
 		return false;
 	}
 
-	public override string? get_ref_function () {
-		if (ref_function == null && is_fundamental ()) {
-			ref_function = get_lower_case_cprefix () + "ref";
-		}
-
-		if (ref_function == null && base_class != null) {
-			return base_class.get_ref_function ();
-		} else {
-			return ref_function;
-		}
-	}
-
-	public void set_ref_function (string? name) {
-		this.ref_function = name;
-	}
-
-	public override string? get_unref_function () {
-		if (unref_function == null && is_fundamental ()) {
-			unref_function = get_lower_case_cprefix () + "unref";
-		}
-
-		if (unref_function == null && base_class != null) {
-			return base_class.get_unref_function ();
-		} else {
-			return unref_function;
-		}
-	}
-
-	public void set_unref_function (string? name) {
-		this.unref_function = name;
-	}
-
-	public override string? get_ref_sink_function () {
-		if (ref_sink_function == null && base_class != null) {
-			return base_class.get_ref_sink_function ();
-		} else {
-			return ref_sink_function;
-		}
-	}
-
-	public void set_ref_sink_function (string? name) {
-		this.ref_sink_function = name;
-	}
-
-	public override string? get_dup_function () {
-		return copy_function;
-	}
-
-	public void set_dup_function (string? name) {
-		this.copy_function = name;
-	}
-
-	public string get_default_free_function () {
-		if (base_class != null) {
-			return base_class.get_free_function ();
-		}
-		return get_lower_case_cprefix () + "free";
-	}
-
-	public override string? get_free_function () {
-		if (free_function == null) {
-			free_function = get_default_free_function ();
-		}
-		return free_function;
-	}
-	
-	public void set_free_function (string name) {
-		this.free_function = name;
-	}
-	
 	public override bool is_subtype_of (TypeSymbol t) {
 		if (this == t) {
 			return true;
@@ -1010,8 +630,6 @@ public class Vala.Class : ObjectTypeSymbol {
 
 		checked = true;
 
-		process_attributes ();
-
 		var old_source_file = context.analyzer.current_source_file;
 		var old_symbol = context.analyzer.current_symbol;
 
diff --git a/vala/valaclasstype.vala b/vala/valaclasstype.vala
index aef62b7..a0430a1 100644
--- a/vala/valaclasstype.vala
+++ b/vala/valaclasstype.vala
@@ -49,8 +49,4 @@ public class Vala.ClassType : ReferenceType {
 		
 		return result;
 	}
-
-	public override string? get_cname () {
-		return "%sClass*".printf (class_symbol.get_cname ());
-	}
 }
diff --git a/vala/valaconstant.vala b/vala/valaconstant.vala
index 0934ac0..7361f9b 100644
--- a/vala/valaconstant.vala
+++ b/vala/valaconstant.vala
@@ -50,8 +50,6 @@ public class Vala.Constant : Symbol, Lockable {
 		}
 	}
 
-	private string cname;
-	
 	private bool lock_used = false;
 
 	private DataType _data_type;
@@ -87,37 +85,6 @@ public class Vala.Constant : Symbol, Lockable {
 		}
 	}
 
-	/**
-	 * Returns the name of this constant as it is used in C code.
-	 *
-	 * @return the name to be used in C code
-	 */
-	public string get_cname () {
-		if (cname == null) {
-			cname = get_default_cname ();
-		}
-		return cname;
-	}
-
-	/**
-	 * Returns the default name of this constant as it is used in C
-	 * code.
-	 *
-	 * @return the name to be used in C code by default
-	 */
-	public virtual string get_default_cname () {
-		if (parent_symbol == null) {
-			// global constant
-			return name;
-		} else {
-			return "%s%s".printf (parent_symbol.get_lower_case_cprefix ().up (), name);
-		}
-	}
-
-	public void set_cname (string value) {
-		this.cname = value;
-	}
-
 	public bool get_lock_used () {
 		return lock_used;
 	}
@@ -138,29 +105,6 @@ public class Vala.Constant : Symbol, Lockable {
 		}
 	}
 
-	private void process_ccode_attribute (Attribute a) {
-		if (a.has_argument ("cname")) {
-			cname = a.get_string ("cname");
-		}
-		if (a.has_argument ("cheader_filename")) {
-			var val = a.get_string ("cheader_filename");
-			foreach (string filename in val.split (",")) {
-				add_cheader_filename (filename);
-			}
-		}
-	}
-
-	/**
-	 * Process all associated attributes.
-	 */
-	public void process_attributes () {
-		foreach (Attribute a in attributes) {
-			if (a.name == "CCode") {
-				process_ccode_attribute (a);
-			}
-		}
-	}
-
 	public override bool check (CodeContext context) {
 		if (checked) {
 			return !error;
@@ -168,8 +112,6 @@ public class Vala.Constant : Symbol, Lockable {
 
 		checked = true;
 
-		process_attributes ();
-
 		var old_source_file = context.analyzer.current_source_file;
 		var old_symbol = context.analyzer.current_symbol;
 
diff --git a/vala/valacreationmethod.vala b/vala/valacreationmethod.vala
index 7ece293..826a0db 100644
--- a/vala/valacreationmethod.vala
+++ b/vala/valacreationmethod.vala
@@ -49,9 +49,6 @@ public class Vala.CreationMethod : Method {
 	public CreationMethod (string? class_name, string? name, SourceReference? source_reference = null, Comment? comment = null) {
 		base (name, new VoidType (), source_reference, comment);
 		this.class_name = class_name;
-
-		carray_length_parameter_position = -3;
-		cdelegate_target_parameter_position = -3;
 	}
 
 	public override void accept (CodeVisitor visitor) {
@@ -80,61 +77,6 @@ public class Vala.CreationMethod : Method {
 		}
 	}
 
-	public override string get_default_cname () {
-		var parent = parent_symbol as TypeSymbol;
-
-		string infix = "new";
-		var st = parent as Struct;
-		if (st != null) {
-			if (CodeContext.get ().profile == Profile.DOVA) {
-				if (st.is_boolean_type () || st.is_integer_type () || st.is_floating_type ()) {
-					// don't use any infix for basic types
-					if (name == ".new") {
-						return parent.get_lower_case_cname ();
-					} else {
-						return "%s%s".printf (parent.get_lower_case_cprefix (), name);
-					}
-				}
-			}
-			infix = "init";
-		}
-
-		if (name == ".new") {
-			return "%s%s".printf (parent.get_lower_case_cprefix (), infix);
-		} else {
-			return "%s%s_%s".printf (parent.get_lower_case_cprefix (), infix, name);
-		}
-	}
-
-	public override string get_real_cname () {
-		var ccode_attribute = get_attribute ("CCode");
-		if (ccode_attribute != null && ccode_attribute.has_argument ("construct_function")) {
-			return ccode_attribute.get_string ("construct_function");
-		}
-
-		return get_default_construct_function ();
-	}
-
-	public string get_default_construct_function () {
-		var parent = parent_symbol as Class;
-
-		if (parent == null || parent.is_compact) {
-			return get_cname ();
-		}
-
-		string infix = "construct";
-
-		if (CodeContext.get ().profile == Profile.DOVA) {
-			infix = "init";
-		}
-
-		if (name == ".new") {
-			return "%s%s".printf (parent.get_lower_case_cprefix (), infix);
-		} else {
-			return "%s%s_%s".printf (parent.get_lower_case_cprefix (), infix, name);
-		}
-	}
-
 	public override bool check (CodeContext context) {
 		if (checked) {
 			return !error;
@@ -142,8 +84,6 @@ public class Vala.CreationMethod : Method {
 
 		checked = true;
 
-		process_attributes ();
-
 		if (class_name != null && class_name != parent_symbol.name) {
 			// class_name is null for constructors generated by GIdlParser
 			Report.error (source_reference, "missing return type in method `%s.%sÂ".printf (context.analyzer.current_symbol.get_full_name (), class_name));
diff --git a/vala/valadatatype.vala b/vala/valadatatype.vala
index c53ce5c..296a753 100644
--- a/vala/valadatatype.vala
+++ b/vala/valadatatype.vala
@@ -117,57 +117,10 @@ public abstract class Vala.DataType : CodeNode {
 		}
 	}
 
-	/**
-	 * Returns the name and qualifiers of this type as it is used in C code.
-	 *
-	 * @return the type string to be used in C code
-	 */
-	public virtual string? get_cname () {
-		// raise error
-		Report.error (source_reference, "unresolved type reference");
-		return null;
-	}
-
 	public virtual string get_cdeclarator_suffix () {
 		return "";
 	}
 
-	/**
-	 * Returns the name and qualifiers of this type as it is used in C code
-	 * in a const declaration.
-	 *
-	 * @return the type string to be used in C code const declarations
-	 */
-	public string get_const_cname () {
-		string ptr;
-		TypeSymbol t;
-		// FIXME: workaround to make constant arrays possible
-		if (this is ArrayType) {
-			t = ((ArrayType) this).element_type.data_type;
-		} else {
-			t = data_type;
-		}
-		if (!t.is_reference_type ()) {
-			ptr = "";
-		} else {
-			ptr = "*";
-		}
-		
-		return "const %s%s".printf (t.get_cname (), ptr);
-	}
-
-	/**
-	 * Returns the C name of this data type in lower case. Words are
-	 * separated by underscores.
-	 *
-	 * @param infix a string to be placed between namespace and data type
-	 *              name or null
-	 * @return      the lower case name to be used in C code
-	 */
-	public virtual string? get_lower_case_cname (string? infix = null) {
-		return data_type.get_lower_case_cname (infix);
-	}
-
 	public override string to_string () {
 		return to_qualified_string (null);
 	}
@@ -313,12 +266,12 @@ public abstract class Vala.DataType : CodeNode {
 			return false;
 		}
 
-		if (target_type.get_type_id () == "G_TYPE_VALUE" && get_type_id () != null) {
+		if (CodeContext.get ().profile == Profile.GOBJECT && target_type.data_type == CodeContext.get ().analyzer.gvalue_type.data_type) {
 			// allow implicit conversion to GValue
 			return true;
 		}
 
-		if (target_type.get_type_id () == "G_TYPE_VARIANT") {
+		if (CodeContext.get ().profile == Profile.GOBJECT && target_type.data_type == CodeContext.get ().analyzer.gvariant_type.data_type) {
 			// allow implicit conversion to GVariant
 			return true;
 		}
@@ -474,14 +427,6 @@ public abstract class Vala.DataType : CodeNode {
 		return is_real_struct_type () && !nullable;
 	}
 
-	public virtual string? get_type_id () {
-		if (data_type != null) {
-			return data_type.get_type_id ();
-		} else {
-			return null;
-		}
-	}
-
 	/**
 	 * Returns whether the value needs to be disposed, i.e. whether
 	 * allocated memory or other resources need to be released when
diff --git a/vala/valadelegate.vala b/vala/valadelegate.vala
index d4cfaa0..d949c61 100644
--- a/vala/valadelegate.vala
+++ b/vala/valadelegate.vala
@@ -61,43 +61,9 @@ public class Vala.Delegate : TypeSymbol {
 
 	public DataType? sender_type { get; set; }
 
-	/**
-	 * Specifies the position of the instance parameter in the C function.
-	 */
-	public double cinstance_parameter_position { get; set; }
-
-	/**
-	 * Specifies the position of the array length out parameter in the C
-	 * function.
-	 */
-	public double carray_length_parameter_position { get; set; }
-
-	/**
-	 * Specifies the position of the delegate target out parameter in the C
-	 * function.
-	 */
-	public double cdelegate_target_parameter_position { get; set; }
-
-	/**
-	 * Specifies whether the array length should be returned implicitly
-	 * if the return type is an array.
-	 */
-	public bool no_array_length { get; set; }
-
-	/**
-	 * Specifies whether the array is null terminated.
-	 */
-	public bool array_null_terminated { get; set; }
-
-	/**
-	 * Specifies a custom type for the array length parameter.
-	 */
-	public string? array_length_type { get; set; default = null; }
-
 	private List<TypeParameter> type_parameters = new ArrayList<TypeParameter> ();
 
 	private List<Parameter> parameters = new ArrayList<Parameter> ();
-	private string cname;
 
 	private DataType _return_type;
 	private bool? _has_target;
@@ -113,11 +79,6 @@ public class Vala.Delegate : TypeSymbol {
 	public Delegate (string? name, DataType return_type, SourceReference? source_reference = null, Comment? comment = null) {
 		base (name, source_reference, comment);
 		this.return_type = return_type;
-
-		// error is -1 (right of user_data)
-		cinstance_parameter_position = -2;
-		carray_length_parameter_position = -3;
-		cdelegate_target_parameter_position = -3;
 	}
 
 	/**
@@ -151,12 +112,6 @@ public class Vala.Delegate : TypeSymbol {
 	 * @param param a formal parameter
 	 */
 	public void add_parameter (Parameter param) {
-		// default C parameter position
-		param.cparameter_position = parameters.size + 1;
-		param.carray_length_parameter_position = param.cparameter_position + 0.1;
-		param.cdelegate_target_parameter_position = param.cparameter_position + 0.1;
-		param.cdestroy_notify_parameter_position = param.cparameter_position + 0.1;
-
 		parameters.add (param);
 		scope.add (param.name, param);
 	}
@@ -268,94 +223,10 @@ public class Vala.Delegate : TypeSymbol {
 		}
 	}
 
-	public override string get_cname (bool const_type = false) {
-		if (cname == null) {
-			cname = "%s%s".printf (parent_symbol.get_cprefix (), name);
-		}
-		return cname;
-	}
-
-	/**
-	 * Sets the name of this callback as it is used in C code.
-	 *
-	 * @param cname the name to be used in C code
-	 */
-	public void set_cname (string cname) {
-		this.cname = cname;
-	}
-
-	public override string? get_lower_case_cname (string? infix) {
-		if (infix == null) {
-			infix = "";
-		}
-		return "%s%s%s".printf (parent_symbol.get_lower_case_cprefix (), infix, camel_case_to_lower_case (name));
-	}
-
-	public override string? get_upper_case_cname (string? infix) {
-		return get_lower_case_cname (infix).up ();
-	}
-
-	private void process_ccode_attribute (Attribute a) {
-		if (a.has_argument ("cname")) {
-			set_cname (a.get_string ("cname"));
-		}
-		if (a.has_argument ("instance_pos")) {
-			cinstance_parameter_position = a.get_double ("instance_pos");
-		}
-		if (a.has_argument ("array_length")) {
-			no_array_length = !a.get_bool ("array_length");
-		}
-		if (a.has_argument ("array_length_type")) {
-			array_length_type = a.get_string ("array_length_type");
-		}
-		if (a.has_argument ("array_null_terminated")) {
-			array_null_terminated = a.get_bool ("array_null_terminated");
-		}
-		if (a.has_argument ("array_length_pos")) {
-			carray_length_parameter_position = a.get_double ("array_length_pos");
-		}
-		if (a.has_argument ("delegate_target_pos")) {
-			cdelegate_target_parameter_position = a.get_double ("delegate_target_pos");
-		}
-		if (a.has_argument ("cheader_filename")) {
-			var val = a.get_string ("cheader_filename");
-			foreach (string filename in val.split (",")) {
-				add_cheader_filename (filename);
-			}
-		}
-	}
-	
-	/**
-	 * Process all associated attributes.
-	 */
-	public void process_attributes () {
-		foreach (Attribute a in attributes) {
-			if (a.name == "CCode") {
-				process_ccode_attribute (a);
-			}
-		}
-	}
-
 	public override bool is_reference_type () {
 		return false;
 	}
 
-	public override string? get_type_id () {
-		return "G_TYPE_POINTER";
-	}
-
-	public override string? get_marshaller_type_name () {
-		return "POINTER";
-	}
-
-	public override string? get_get_value_function () {
-		return "g_value_get_pointer";
-	}
-	
-	public override string? get_set_value_function () {
-		return "g_value_set_pointer";
-	}
-
 	public override void replace_type (DataType old_type, DataType new_type) {
 		if (return_type == old_type) {
 			return_type = new_type;
@@ -425,8 +296,6 @@ public class Vala.Delegate : TypeSymbol {
 
 		checked = true;
 
-		process_attributes ();
-
 		var old_source_file = context.analyzer.current_source_file;
 
 		if (source_reference != null) {
diff --git a/vala/valadelegatetype.vala b/vala/valadelegatetype.vala
index 11648ca..2cc6cf0 100644
--- a/vala/valadelegatetype.vala
+++ b/vala/valadelegatetype.vala
@@ -107,22 +107,10 @@ public class Vala.DelegateType : DataType {
 		return result;
 	}
 
-	public override string? get_cname () {
-		if (CodeContext.get ().profile == Profile.DOVA) {
-			return "%s*".printf (delegate_symbol.get_cname ());
-		} else {
-			return delegate_symbol.get_cname ();
-		}
-	}
-
 	public override bool is_accessible (Symbol sym) {
 		return delegate_symbol.is_accessible (sym);
 	}
 
-	public override string? get_type_id () {
-		return "G_TYPE_POINTER";
-	}
-
 	public override bool check (CodeContext context) {
 		return delegate_symbol.check (context);
 	}
diff --git a/vala/valadynamicmethod.vala b/vala/valadynamicmethod.vala
index 3fc98f6..845c0af 100644
--- a/vala/valadynamicmethod.vala
+++ b/vala/valadynamicmethod.vala
@@ -30,26 +30,11 @@ public class Vala.DynamicMethod : Method {
 
 	public MethodCall invocation { get; set; }
 
-	private string cname;
-	static int dynamic_method_id;
-
 	public DynamicMethod (DataType dynamic_type, string name, DataType return_type, SourceReference? source_reference = null, Comment? comment = null) {
 		base (name, return_type, source_reference, comment);
 		this.dynamic_type = dynamic_type;
 	}
 
-	public override List<string> get_cheader_filenames () {
-		return new ArrayList<string> ();
-	}
-
-	public override string get_default_cname () {
-		// return cname of wrapper method
-		if (cname == null) {
-			cname = "_dynamic_%s%d".printf (name, dynamic_method_id++);
-		}
-		return cname;
-	}
-
 	public override bool check (CodeContext context) {
 		return true;
 	}
diff --git a/vala/valadynamicproperty.vala b/vala/valadynamicproperty.vala
index dc9acb5..a15ff2f 100644
--- a/vala/valadynamicproperty.vala
+++ b/vala/valadynamicproperty.vala
@@ -33,10 +33,6 @@ public class Vala.DynamicProperty : Property {
 		this.dynamic_type = dynamic_type;
 	}
 
-	public override List<string> get_cheader_filenames () {
-		return new ArrayList<string> ();
-	}
-
 	public override bool check (CodeContext context) {
 		return true;
 	}
diff --git a/vala/valaenum.vala b/vala/valaenum.vala
index 28d3151..eeabda9 100644
--- a/vala/valaenum.vala
+++ b/vala/valaenum.vala
@@ -29,21 +29,20 @@ public class Vala.Enum : TypeSymbol {
 	/**
 	 * Specifies whether this is a flags enum.
 	 */
-	public bool is_flags { get; set; }
-
-	/**
-	 * Specifies whether this enum has a registered GType.
-	 */
-	public bool has_type_id { get; set; default = true; }
+	public bool is_flags {
+		get {
+			if (_is_flags == null) {
+				_is_flags = get_attribute ("Flags") != null;
+			}
+			return _is_flags;
+		}
+	}
 
 	private List<EnumValue> values = new ArrayList<EnumValue> ();
 	private List<Method> methods = new ArrayList<Method> ();
 	private List<Constant> constants = new ArrayList<Constant> ();
-	private string cname;
-	private string cprefix;
-	private string lower_case_cprefix;
-	private string lower_case_csuffix;
-	private string type_id;
+
+	private bool? _is_flags;
 
 	/**
 	 * Creates a new enum.
@@ -153,180 +152,10 @@ public class Vala.Enum : TypeSymbol {
 		}
 	}
 
-	public override string get_cname (bool const_type = false) {
-		if (cname == null) {
-			var attr = get_attribute ("CCode");
-			if (attr != null) {
-				cname = attr.get_string ("cname");
-			}
-			if (cname == null) {
-				cname = get_default_cname ();
-			}
-		}
-		return cname;
-	}
-
-	/**
-	 * Returns the default name of this enum as it is used in C code.
-	 *
-	 * @return the name to be used in C code by default
-	 */
-	public string get_default_cname () {
-		return "%s%s".printf (parent_symbol.get_cprefix (), name);
-	}
-
-	public void set_cname (string cname) {
-		this.cname = cname;
-	}
-
-	public override string get_lower_case_cprefix () {
-		if (lower_case_cprefix == null) {
-			lower_case_cprefix = "%s_".printf (get_lower_case_cname (null));
-		}
-		return lower_case_cprefix;
-	}
-
-	private string get_lower_case_csuffix () {
-		if (lower_case_csuffix == null) {
-			lower_case_csuffix = camel_case_to_lower_case (name);
-		}
-		return lower_case_csuffix;
-	}
-
-	public override string? get_lower_case_cname (string? infix) {
-		if (infix == null) {
-			infix = "";
-		}
-		return "%s%s%s".printf (parent_symbol.get_lower_case_cprefix (), infix, get_lower_case_csuffix ());
-	}
-
-	public override string? get_upper_case_cname (string? infix = null) {
-		return get_lower_case_cname (infix).up ();
-	}
-
 	public override bool is_reference_type () {
 		return false;
 	}
 
-	public override string get_cprefix () {
-		if (cprefix == null) {
-			cprefix = "%s_".printf (get_upper_case_cname ());
-		}
-		return cprefix;
-	}
-	
-	/**
-	 * Sets the string to be prepended to the name of members of this enum
-	 * when used in C code.
-	 *
-	 * @param cprefix the prefix to be used in C code
-	 */
-	public void set_cprefix (string? cprefix) {
-		this.cprefix = cprefix;
-	}
-	
-	private void process_ccode_attribute (Attribute a) {
-		if (a.has_argument ("cprefix")) {
-			set_cprefix (a.get_string ("cprefix"));
-		}
-		if (a.has_argument ("lower_case_csuffix")) {
-			lower_case_csuffix = a.get_string ("lower_case_csuffix");
-		}
-		if (a.has_argument ("cheader_filename")) {
-			var val = a.get_string ("cheader_filename");
-			foreach (string filename in val.split (",")) {
-				add_cheader_filename (filename);
-			}
-		}
-		if (a.has_argument ("has_type_id")) {
-			has_type_id = a.get_bool ("has_type_id");
-		}
-		if (a.has_argument ("type_id")) {
-			type_id = a.get_string ("type_id");
-		}
-	}
-	
-	/**
-	 * Process all associated attributes.
-	 */
-	public void process_attributes () {
-		foreach (Attribute a in attributes) {
-			if (a.name == "CCode") {
-				process_ccode_attribute (a);
-			} else if (a.name == "Flags") {
-				is_flags = true;
-			}
-		}
-	}
-
-	public void set_type_id (string? type_id) {
-		this.type_id = type_id;
-	}
-
-	public override string? get_type_id () {
-		if (type_id == null) {
-			if (has_type_id) {
-				type_id = get_upper_case_cname ("TYPE_");
-			} else {
-				type_id = is_flags ? "G_TYPE_UINT" : "G_TYPE_INT";
-			}
-		}
-
-		return type_id;
-	}
-	
-	public override string? get_marshaller_type_name () {
-		if (has_type_id) {
-			if (is_flags) {
-				return "FLAGS";
-			} else {
-				return "ENUM";
-			}
-		} else {
-			if (is_flags) {
-				return "UINT";
-			} else {
-				return "INT";
-			}
-		}
-	}
-
-	public override string? get_get_value_function () {
-		if (has_type_id) {
-			if (is_flags) {
-				return "g_value_get_flags";
-			} else {
-				return "g_value_get_enum";
-			}
-		} else {
-			if (is_flags) {
-				return "g_value_get_uint";
-			} else {
-				return "g_value_get_int";
-			}
-		}
-	}
-	
-	public override string? get_set_value_function () {
-		if (has_type_id) {
-			if (is_flags) {
-				return "g_value_set_flags";
-			} else {
-				return "g_value_set_enum";
-			}
-		} else {
-			if (is_flags) {
-				return "g_value_set_uint";
-			} else {
-				return "g_value_set_int";
-			}
-		}
-	}
-
-	public override string? get_default_value () {
-		return "0";
-	}
-
 	public override bool check (CodeContext context) {
 		if (checked) {
 			return !error;
@@ -334,8 +163,6 @@ public class Vala.Enum : TypeSymbol {
 
 		checked = true;
 
-		process_attributes ();
-
 		var old_source_file = context.analyzer.current_source_file;
 		var old_symbol = context.analyzer.current_symbol;
 
diff --git a/vala/valaenumvalue.vala b/vala/valaenumvalue.vala
index 4a04b85..05d4494 100644
--- a/vala/valaenumvalue.vala
+++ b/vala/valaenumvalue.vala
@@ -74,11 +74,6 @@ public class Vala.EnumValue : Constant {
 		}
 	}
 
-	public override string get_default_cname () {
-		var en = (Enum) parent_symbol;
-		return "%s%s".printf (en.get_cprefix (), name);
-	}
-
 	public override bool check (CodeContext context) {
 		if (checked) {
 			return !error;
@@ -86,8 +81,6 @@ public class Vala.EnumValue : Constant {
 
 		checked = true;
 
-		process_attributes ();
-
 		if (value != null) {
 			value.check (context);
 		}
diff --git a/vala/valaerrorcode.vala b/vala/valaerrorcode.vala
index eace48c..aa97641 100644
--- a/vala/valaerrorcode.vala
+++ b/vala/valaerrorcode.vala
@@ -31,8 +31,6 @@ public class Vala.ErrorCode : TypeSymbol {
 	 */
 	public Expression value { get; set; }
 
-	private string cname;
-
 	/**
 	 * Creates a new enum value.
 	 *
@@ -65,43 +63,6 @@ public class Vala.ErrorCode : TypeSymbol {
 		}
 	}
 
-	public override string get_cname (bool const_type = false) {
-		if (cname == null) {
-			cname = get_default_cname ();
-		}
-		return cname;
-	}
-
-	public string get_default_cname () {
-		var edomain = (ErrorDomain) parent_symbol;
-		return "%s%s".printf (edomain.get_cprefix (), name);
-	}
-
-	public void set_cname (string value) {
-		this.cname = value;
-	}
-
-	public override string? get_lower_case_cname (string? infix) {
-		return get_cname ().down ();
-	}
-
-	private void process_ccode_attribute (Attribute a) {
-		if (a.has_argument ("cname")) {
-			cname = a.get_string ("cname");
-		}
-	}
-
-	/**
-	 * Process all associated attributes.
-	 */
-	public void process_attributes () {
-		foreach (Attribute a in attributes) {
-			if (a.name == "CCode") {
-				process_ccode_attribute (a);
-			}
-		}
-	}
-
 	public override bool check (CodeContext context) {
 		if (checked) {
 			return !error;
@@ -109,8 +70,6 @@ public class Vala.ErrorCode : TypeSymbol {
 
 		checked = true;
 
-		process_attributes ();
-
 		if (value != null) {
 			value.check (context);
 		}
diff --git a/vala/valaerrordomain.vala b/vala/valaerrordomain.vala
index 2ac860c..a73dcf8 100644
--- a/vala/valaerrordomain.vala
+++ b/vala/valaerrordomain.vala
@@ -28,10 +28,6 @@ using GLib;
 public class Vala.ErrorDomain : TypeSymbol {
 	private List<ErrorCode> codes = new ArrayList<ErrorCode> ();
 	private List<Method> methods = new ArrayList<Method> ();
-	private string cname;
-	private string cprefix;
-	private string lower_case_cprefix;
-	private string lower_case_csuffix;
 
 	/**
 	 * Creates a new error domain.
@@ -107,114 +103,10 @@ public class Vala.ErrorDomain : TypeSymbol {
 		}
 	}
 
-	public override string get_cname (bool const_type = false) {
-		if (cname == null) {
-			cname = "%s%s".printf (parent_symbol.get_cprefix (), name);
-		}
-		return cname;
-	}
-
-	public override string get_lower_case_cprefix () {
-		if (lower_case_cprefix == null) {
-			lower_case_cprefix = "%s_".printf (get_lower_case_cname (null));
-		}
-		return lower_case_cprefix;
-	}
-
-	private string get_lower_case_csuffix () {
-		if (lower_case_csuffix == null) {
-			lower_case_csuffix = camel_case_to_lower_case (name);
-		}
-		return lower_case_csuffix;
-	}
-
-	public override string? get_lower_case_cname (string? infix) {
-		if (infix == null) {
-			infix = "";
-		}
-
-		string cprefix = "";
-		if (parent_symbol != null) {
-			cprefix = parent_symbol.get_lower_case_cprefix ();
-		}
-
-		return "%s%s%s".printf (cprefix, infix, get_lower_case_csuffix ());
-	}
-
-	public override string? get_upper_case_cname (string? infix) {
-		return get_lower_case_cname (infix).up ();
-	}
-
 	public override bool is_reference_type () {
 		return false;
 	}
 	
-	public void set_cname (string cname) {
-		this.cname = cname;
-	}
-	
-	public override string get_cprefix () {
-		if (cprefix == null) {
-			cprefix = "%s_".printf (get_upper_case_cname (null));
-		}
-		return cprefix;
-	}
-	
-	/**
-	 * Sets the string to be prepended to the name of members of this error
-	 * domain when used in C code.
-	 *
-	 * @param cprefix the prefix to be used in C code
-	 */
-	public void set_cprefix (string cprefix) {
-		this.cprefix = cprefix;
-	}
-	
-	private void process_ccode_attribute (Attribute a) {
-		if (a.has_argument ("cname")) {
-			set_cname (a.get_string ("cname"));
-		}
-		if (a.has_argument ("cprefix")) {
-			set_cprefix (a.get_string ("cprefix"));
-		}
-		if (a.has_argument ("lower_case_csuffix")) {
-			lower_case_csuffix = a.get_string ("lower_case_csuffix");
-		}
-		if (a.has_argument ("cheader_filename")) {
-			var val = a.get_string ("cheader_filename");
-			foreach (string filename in val.split (",")) {
-				add_cheader_filename (filename);
-			}
-		}
-	}
-	
-	/**
-	 * Process all associated attributes.
-	 */
-	public void process_attributes () {
-		foreach (Attribute a in attributes) {
-			if (a.name == "CCode") {
-				process_ccode_attribute (a);
-			}
-		}
-	}
-
-	public override string? get_type_id () {
-		return "G_TYPE_POINTER";
-	}
-	
-	public override string? get_marshaller_type_name () {
-		return "POINTER";
-	}
-
-	public override string? get_get_value_function () {
-		return "g_value_get_pointer";
-	}
-	
-	public override string? get_set_value_function () {
-		return "g_value_set_pointer";
-	}
-
 	public override bool check (CodeContext context) {
 		if (checked) {
 			return !error;
@@ -222,8 +114,6 @@ public class Vala.ErrorDomain : TypeSymbol {
 
 		checked = true;
 
-		process_attributes ();
-
 		foreach (ErrorCode ecode in codes) {
 			ecode.check (context);
 		}
diff --git a/vala/valaerrortype.vala b/vala/valaerrortype.vala
index 33f5e41..c7c9f93 100644
--- a/vala/valaerrortype.vala
+++ b/vala/valaerrortype.vala
@@ -101,24 +101,6 @@ public class Vala.ErrorType : ReferenceType {
 		return result;
 	}
 
-	public override string? get_cname () {
-		return "GError*";
-	}
-
-	public override string? get_lower_case_cname (string? infix = null) {
-		if (error_domain == null) {
-			if (infix == null) {
-				return "g_error";
-			} else {
-				return "g_%s_error".printf (infix);
-			}
-		} else if (error_code == null) {
-			return error_domain.get_lower_case_cname (infix);
-		} else {
-			return error_code.get_lower_case_cname (infix);
-		}
-	}
-
 	public override bool equals (DataType type2) {
 		var et = type2 as ErrorType;
 
@@ -135,14 +117,6 @@ public class Vala.ErrorType : ReferenceType {
 		return gerror_symbol.scope.lookup (member_name);
 	}
 
-	public override string? get_type_id () {
-		if (source_reference != null && source_reference.file.context.require_glib_version (2, 26)) {
-			return "G_TYPE_ERROR";
-		} else {
-			return "G_TYPE_POINTER";
-		}
-	}
-
 	public override bool is_reference_type_or_type_parameter () {
 		return true;
 	}
diff --git a/vala/valafield.vala b/vala/valafield.vala
index 5926a31..8b932a5 100644
--- a/vala/valafield.vala
+++ b/vala/valafield.vala
@@ -38,8 +38,6 @@ public class Vala.Field : Variable, Lockable {
 	 */
 	public bool is_volatile { get; set; }
 
-	private string cname;
-	
 	private bool lock_used = false;
 
 	/**
@@ -67,65 +65,6 @@ public class Vala.Field : Variable, Lockable {
 		}
 	}
 
-	/**
-	 * Returns the name of this field as it is used in C code.
-	 *
-	 * @return the name to be used in C code
-	 */
-	public string get_cname () {
-		if (cname == null) {
-			cname = get_default_cname ();
-		}
-		return cname;
-	}
-
-	/**
-	 * Sets the name of this field as it is used in C code.
-	 *
-	 * @param cname the name to be used in C code
-	 */
-	public void set_cname (string cname) {
-		this.cname = cname;
-	}
-
-	/**
-	 * Returns the default name of this field as it is used in C code.
-	 *
-	 * @return the name to be used in C code by default
-	 */
-	public string get_default_cname () {
-		if (binding == MemberBinding.STATIC) {
-			return parent_symbol.get_lower_case_cprefix () + name;
-		} else {
-			return name;
-		}
-	}
-
-	private void process_ccode_attribute (Attribute a) {
-		if (a.has_argument ("cname")) {
-			set_cname (a.get_string ("cname"));
-		}
-		if (a.has_argument ("cheader_filename")) {
-			var val = a.get_string ("cheader_filename");
-			foreach (string filename in val.split (",")) {
-				add_cheader_filename (filename);
-			}
-		}
-	}
-	
-	/**
-	 * Process all associated attributes.
-	 */
-	public override void process_attributes () {
-		base.process_attributes ();
-
-		foreach (Attribute a in attributes) {
-			if (a.name == "CCode") {
-				process_ccode_attribute (a);
-			}
-		}
-	}
-
 	public bool get_lock_used () {
 		return lock_used;
 	}
@@ -147,20 +86,11 @@ public class Vala.Field : Variable, Lockable {
 	}
 
 	public string? get_ctype () {
-		var attr = get_attribute ("CCode");
-		if (attr == null) {
-			return null;
-		}
-		return attr.get_string ("type");
+		return get_attribute_string ("CCode", "type");
 	}
 
 	public void set_ctype (string ctype) {
-		var attr = get_attribute ("CCode");
-		if (attr == null) {
-			attr = new Attribute ("CCode");
-			attributes.append (attr);
-		}
-		attr.add_argument ("type", "\"%s\"".printf (ctype));
+		set_attribute_string ("CCode", "type", ctype);
 	}
 
 	public override bool check (CodeContext context) {
@@ -193,8 +123,6 @@ public class Vala.Field : Variable, Lockable {
 			return false;
 		}
 
-		process_attributes ();
-
 		if (initializer != null) {
 			initializer.target_type = variable_type;
 
diff --git a/vala/valagenerictype.vala b/vala/valagenerictype.vala
index 3e881e5..c7d7991 100644
--- a/vala/valagenerictype.vala
+++ b/vala/valagenerictype.vala
@@ -42,22 +42,6 @@ public class Vala.GenericType : DataType {
 		return result;
 	}
 
-	public override string? get_cname () {
-		if (CodeContext.get ().profile == Profile.GOBJECT) {
-			if (value_owned) {
-				return "gpointer";
-			} else {
-				return "gconstpointer";
-			}
-		} else {
-			return "void *";
-		}
-	}
-
-	public override string? get_type_id () {
-		return "G_TYPE_POINTER";
-	}
-
 	public override string to_qualified_string (Scope? scope = null) {
 		return type_parameter.name;
 	}
diff --git a/vala/valainterface.vala b/vala/valainterface.vala
index e738e79..548304f 100644
--- a/vala/valainterface.vala
+++ b/vala/valainterface.vala
@@ -40,11 +40,6 @@ public class Vala.Interface : ObjectTypeSymbol {
 	private List<Enum> enums = new ArrayList<Enum> ();
 	private List<Delegate> delegates = new ArrayList<Delegate> ();
 
-	private string cname;
-	private string lower_case_csuffix;
-	private string type_cname;
-	private string type_id;
-
 	/**
 	 * Returns a copy of the list of classes.
 	 *
@@ -276,96 +271,6 @@ public class Vala.Interface : ObjectTypeSymbol {
 		scope.add (d.name, d);
 	}
 
-	public override string get_cprefix () {
-		return get_cname ();
-	}
-
-	public override string get_cname (bool const_type = false) {
-		if (cname == null) {
-			var attr = get_attribute ("CCode");
-			if (attr != null) {
-				cname = attr.get_string ("cname");
-			}
-			if (cname == null) {
-				cname = "%s%s".printf (parent_symbol.get_cprefix (), name);
-			}
-		}
-		return cname;
-	}
-
-	public void set_cname (string cname) {
-		this.cname = cname;
-	}
-	
-	/**
-	 * Returns the string to be prepended to the name of members of this
-	 * interface when used in C code.
-	 *
-	 * @return the suffix to be used in C code
-	 */
-	public string get_lower_case_csuffix () {
-		if (lower_case_csuffix == null) {
-			lower_case_csuffix = get_default_lower_case_csuffix ();
-		}
-		return lower_case_csuffix;
-	}
-
-	/**
-	 * Returns default string to be prepended to the name of members of this
-	 * interface when used in C code.
-	 *
-	 * @return the suffix to be used in C code
-	 */
-	public string get_default_lower_case_csuffix () {
-		string result = camel_case_to_lower_case (name);
-
-		// remove underscores in some cases to avoid conflicts of type macros
-		if (result.has_prefix ("type_")) {
-			result = "type" + result.substring ("type_".length);
-		} else if (result.has_prefix ("is_")) {
-			result = "is" + result.substring ("is_".length);
-		}
-		if (result.has_suffix ("_class")) {
-			result = result.substring (0, result.length - "_class".length) + "class";
-		}
-
-		return result;
-	}
-
-	/**
-	 * Returns default string for the type struct when used in C code.
-	 *
-	 * @return the type struct to be used in C code
-	 */
-	public string get_default_type_cname () {
-		return "%sIface".printf (get_cname ());
-	}
-	
-	/**
-	 * Sets the string to be prepended to the name of members of this
-	 * interface when used in C code.
-	 *
-	 * @param csuffix the suffix to be used in C code
-	 */
-	public void set_lower_case_csuffix (string csuffix) {
-		this.lower_case_csuffix = csuffix;
-	}
-	
-	public override string? get_lower_case_cname (string? infix) {
-		if (infix == null) {
-			infix = "";
-		}
-		return "%s%s%s".printf (parent_symbol.get_lower_case_cprefix (), infix, get_lower_case_csuffix ());
-	}
-	
-	public override string get_lower_case_cprefix () {
-		return "%s_".printf (get_lower_case_cname (null));
-	}
-	
-	public override string? get_upper_case_cname (string? infix) {
-		return get_lower_case_cname (infix).up ();
-	}
-
 	public override void accept (CodeVisitor visitor) {
 		visitor.visit_interface (this);
 	}
@@ -420,41 +325,7 @@ public class Vala.Interface : ObjectTypeSymbol {
 	public override bool is_reference_type () {
 		return true;
 	}
-
-	public override bool is_reference_counting () {
-		return true;
-	}
 	
-	public override string? get_ref_function () {
-		foreach (DataType prerequisite in prerequisites) {
-			string ref_func = prerequisite.data_type.get_ref_function ();
-			if (ref_func != null) {
-				return ref_func;
-			}
-		}
-		return null;
-	}
-	
-	public override string? get_unref_function () {
-		foreach (DataType prerequisite in prerequisites) {
-			string unref_func = prerequisite.data_type.get_unref_function ();
-			if (unref_func != null) {
-				return unref_func;
-			}
-		}
-		return null;
-	}
-
-	public override string? get_ref_sink_function () {
-		foreach (DataType prerequisite in prerequisites) {
-			string ref_sink_func = prerequisite.data_type.get_ref_sink_function ();
-			if (ref_sink_func != null) {
-				return ref_sink_func;
-			}
-		}
-		return null;
-	}
-
 	public override bool is_subtype_of (TypeSymbol t) {
 		if (this == t) {
 			return true;
@@ -469,109 +340,6 @@ public class Vala.Interface : ObjectTypeSymbol {
 		return false;
 	}
 	
-	private void process_ccode_attribute (Attribute a) {
-		if (a.has_argument ("type_cname")) {
-			set_type_cname (a.get_string ("type_cname"));
-		}
-		if (a.has_argument ("cheader_filename")) {
-			var val = a.get_string ("cheader_filename");
-			foreach (string filename in val.split (",")) {
-				add_cheader_filename (filename);
-			}
-		}
-		if (a.has_argument ("lower_case_csuffix")) {
-			lower_case_csuffix = a.get_string ("lower_case_csuffix");
-		}
-	}
-
-	/**
-	 * Process all associated attributes.
-	 */
-	public void process_attributes () {
-		foreach (Attribute a in attributes) {
-			if (a.name == "CCode") {
-				process_ccode_attribute (a);
-			}
-		}
-	}
-	
-	/**
-	 * Returns the name of the type struct as it is used in C code.
-	 *
-	 * @return the type struct name to be used in C code
-	 */
-	public string get_type_cname () {
-		if (type_cname == null) {
-			type_cname = get_default_type_cname ();
-		}
-		return type_cname;
-	}
-	
-	/**
-	 * Sets the name of the type struct as it is used in C code.
-	 *
-	 * @param type_cname the type struct name to be used in C code
-	 */
-	public void set_type_cname (string type_cname) {
-		this.type_cname = type_cname;
-	}
-
-	public override string? get_marshaller_type_name () {
-		foreach (DataType prerequisite in prerequisites) {
-			string type_name = prerequisite.data_type.get_marshaller_type_name ();
-			if (type_name != null) {
-				return type_name;
-			}
-		}
-		return "POINTER";
-	}
-
-	public override string? get_get_value_function () {
-		foreach (DataType prerequisite in prerequisites) {
-			string get_value_func = prerequisite.data_type.get_get_value_function ();
-			if (get_value_func != null) {
-				return get_value_func;
-			}
-		}
-		return "g_value_get_pointer";
-	}
-	
-	public override string? get_set_value_function () {
-		foreach (DataType prerequisite in prerequisites) {
-			string set_value_func = prerequisite.data_type.get_set_value_function ();
-			if (set_value_func != null) {
-				return set_value_func;
-			}
-		}
-		return "g_value_set_pointer";
-	}
-
-	public override string? get_take_value_function () {
-		foreach (DataType prerequisite in prerequisites) {
-			string take_value_func = prerequisite.data_type.get_take_value_function ();
-			if (take_value_func != null) {
-				return take_value_func;
-			}
-		}
-		return "g_value_set_pointer";
-	}
-
-	public string? get_default_type_id () {
-		return get_upper_case_cname ("TYPE_");
-	}
-
-	public override string? get_type_id () {
-		if (type_id == null) {
-			type_id = get_default_type_id ();
-		}
-		
-		return type_id;
-	}
-
-	public void set_type_id (string type_id) {
-		this.type_id = type_id;
-	}
-
 	public override void replace_type (DataType old_type, DataType new_type) {
 		for (int i = 0; i < prerequisites.size; i++) {
 			if (prerequisites[i] == old_type) {
@@ -581,25 +349,6 @@ public class Vala.Interface : ObjectTypeSymbol {
 		}
 	}
 
-	public override string? get_param_spec_function () {
-		foreach (DataType prerequisite in prerequisites) {
-			var prereq = prerequisite as ObjectType;
-			var cl = prereq.type_symbol as Class;
-			if (cl != null) {
-				return cl.get_param_spec_function ();
-			}
-			var interf = prereq.type_symbol as Interface;
-			if (interf != null) {
-				var param_spec_function = interf.get_param_spec_function ();
-				if (param_spec_function != null) {
-					return param_spec_function;
-				}
-			}
-		}
-
-		return "g_param_spec_pointer";
-	}
-
 	public override bool check (CodeContext context) {
 		if (checked) {
 			return !error;
@@ -607,8 +356,6 @@ public class Vala.Interface : ObjectTypeSymbol {
 
 		checked = true;
 
-		process_attributes ();
-
 		var old_source_file = context.analyzer.current_source_file;
 		var old_symbol = context.analyzer.current_symbol;
 
diff --git a/vala/valainterfacetype.vala b/vala/valainterfacetype.vala
index b767f14..3ca1a2c 100644
--- a/vala/valainterfacetype.vala
+++ b/vala/valainterfacetype.vala
@@ -49,8 +49,4 @@ public class Vala.InterfaceType : ReferenceType {
 		
 		return result;
 	}
-
-	public override string? get_cname () {
-		return "%s*".printf (interface_symbol.get_type_cname ());
-	}
 }
diff --git a/vala/valalambdaexpression.vala b/vala/valalambdaexpression.vala
index 1d791af..8ad3a08 100644
--- a/vala/valalambdaexpression.vala
+++ b/vala/valalambdaexpression.vala
@@ -135,9 +135,7 @@ public class Vala.LambdaExpression : Expression {
 		var cb = (Delegate) ((DelegateType) target_type).delegate_symbol;
 		var return_type = cb.return_type.get_actual_type (target_type, null, this);
 		method = new Method (get_lambda_name (context), return_type, source_reference);
-		method.no_array_length = cb.no_array_length;
-		method.array_null_terminated = cb.array_null_terminated;
-		method.array_length_type = cb.array_length_type;
+		method.attributes = cb.attributes.copy ();
 		// track usage for flow analyzer
 		method.used = true;
 		method.check_deprecated (source_reference);
diff --git a/vala/valamethod.vala b/vala/valamethod.vala
index b2ac9aa..c2de41d 100644
--- a/vala/valamethod.vala
+++ b/vala/valamethod.vala
@@ -30,8 +30,6 @@ using GLib;
 public class Vala.Method : Subroutine {
 	List<TypeParameter> type_parameters;
 
-	public const string DEFAULT_SENTINEL = "NULL";
-
 	/**
 	 * The return type of this method.
 	 */
@@ -52,38 +50,6 @@ public class Vala.Method : Subroutine {
 	 * the contained type.
 	 */
 	public MemberBinding binding { get; set; default = MemberBinding.INSTANCE; }
-
-	/**
-	 * The name of the vfunc of this method as it is used in C code.
-	 */
-	public string vfunc_name {
-		get {
-			if (_vfunc_name == null) {
-				_vfunc_name = this.name;
-			}
-			return _vfunc_name;
-		}
-		set {
-			_vfunc_name = value;
-		}
-	}
-
-	/**
-	 * The sentinel to use for terminating variable length argument lists.
-	 */
-	public string sentinel {
-		get {
-			if (_sentinel == null) {
-				return DEFAULT_SENTINEL;
-			}
-
-			return _sentinel;
-		}
-
-		set {
-			_sentinel = value;
-		}
-	}
 	
 	/**
 	 * Specifies whether this method is abstract. Abstract methods have no
@@ -118,12 +84,19 @@ public class Vala.Method : Subroutine {
 		}
 	}
 
-	/**
+	/*
 	 * Specifies whether the C method returns a new instance pointer which
 	 * may be different from the previous instance pointer. Only valid for
 	 * imported methods.
 	 */
-	public bool returns_modified_pointer { get; set; }
+	public bool returns_modified_pointer {
+		get {
+			return get_attribute ("ReturnsModifiedPointer") != null;
+		}
+		set {
+			set_attribute ("ReturnsModifiedPointer", value);
+		}
+	}
 
 	/**
 	 * Specifies the virtual or abstract method this method overrides.
@@ -155,44 +128,6 @@ public class Vala.Method : Subroutine {
 	public Parameter this_parameter { get; set; }
 
 	/**
-	 * Specifies the position of the instance parameter in the C function.
-	 */
-	public double cinstance_parameter_position { get; set; }
-
-	/**
-	 * Specifies the position of the array length out parameter in the C
-	 * function.
-	 */
-	public double carray_length_parameter_position { get; set; }
-
-	/**
-	 * Specifies the position of the delegate target out parameter in the C
-	 * function.
-	 */
-	public double cdelegate_target_parameter_position { get; set; }
-
-	/**
-	 * Specifies whether the array length should be returned implicitly
-	 * if the return type is an array.
-	 */
-	public bool no_array_length { get; set; }
-
-	/**
-	 * Specifies whether the array is null terminated.
-	 */
-	public bool array_null_terminated { get; set; }
-
-	/**
-	 * Specifies a custom type for the array length parameter.
-	 */
-	public string? array_length_type { get; set; default = null; }
-
-	/**
-	 * Specifies a custom C return type for this method.
-	 */
-	public string? custom_return_type_cname { get; set; }
-
-	/**
 	 * Specifies whether this method expects printf-style format arguments.
 	 */
 	public bool printf_format {
@@ -217,12 +152,6 @@ public class Vala.Method : Subroutine {
 	}
 
 	/**
-	 * Specifies whether a new function without a GType parameter is
-	 * available. This is only applicable to creation methods.
-	 */
-	public bool has_new_function { get; set; default = true; }
-
-	/**
 	 * Specifies whether a construct function with a GType parameter is
 	 * available. This is only applicable to creation methods.
 	 */
@@ -235,12 +164,6 @@ public class Vala.Method : Subroutine {
 		}
 	}
 
-	public bool has_generic_type_parameter { get; set; }
-
-	public double generic_type_parameter_position { get; set; }
-
-	public bool simple_generics { get; set; }
-
 	public weak Signal signal_reference { get; set; }
 
 	public bool closure { get; set; }
@@ -252,10 +175,6 @@ public class Vala.Method : Subroutine {
 	public int yield_count { get; set; }
 
 	private List<Parameter> parameters = new ArrayList<Parameter> ();
-	private string cname;
-	private string finish_name;
-	private string _vfunc_name;
-	private string _sentinel;
 	private List<Expression> preconditions;
 	private List<Expression> postconditions;
 	private DataType _return_type;
@@ -283,9 +202,6 @@ public class Vala.Method : Subroutine {
 	public Method (string? name, DataType return_type, SourceReference? source_reference = null, Comment? comment = null) {
 		base (name, source_reference, comment);
 		this.return_type = return_type;
-
-		carray_length_parameter_position = -3;
-		cdelegate_target_parameter_position = -3;
 	}
 
 	/**
@@ -295,15 +211,8 @@ public class Vala.Method : Subroutine {
 	 */
 	public void add_parameter (Parameter param) {
 		// default C parameter position
-		param.cparameter_position = parameters.size + 1;
-		param.carray_length_parameter_position = param.cparameter_position + 0.1;
-		param.cdelegate_target_parameter_position = param.cparameter_position + 0.1;
-		param.cdestroy_notify_parameter_position = param.cparameter_position + 0.1;
-
 		parameters.add (param);
-		if (!param.ellipsis) {
-			scope.add (param.name, param);
-		}
+		scope.add (param.name, param);
 	}
 	
 	public List<Parameter> get_parameters () {
@@ -365,167 +274,6 @@ public class Vala.Method : Subroutine {
 	}
 
 	/**
-	 * Returns the interface name of this method as it is used in C code.
-	 *
-	 * @return the name to be used in C code
-	 */
-	public string get_cname () {
-		if (cname == null) {
-			cname = get_default_cname ();
-		}
-		return cname;
-	}
-
-	public string get_finish_cname () {
-		assert (coroutine);
-		if (finish_name == null) {
-			finish_name = get_default_finish_cname ();
-		}
-		return finish_name;
-	}
-
-	public void set_finish_cname (string name) {
-		finish_name = name;
-	}
-
-	/**
-	 * Returns the default interface name of this method as it is used in C
-	 * code.
-	 *
-	 * @return the name to be used in C code by default
-	 */
-	public virtual string get_default_cname () {
-		if (name == "main" && parent_symbol.name == null) {
-			// avoid conflict with generated main function
-			return "_vala_main";
-		} else if (name.has_prefix ("_")) {
-			return "_%s%s".printf (parent_symbol.get_lower_case_cprefix (), name.substring (1));
-		} else {
-			return "%s%s".printf (parent_symbol.get_lower_case_cprefix (), name);
-		}
-	}
-
-	/**
-	 * Returns the implementation name of this data type as it is used in C
-	 * code.
-	 *
-	 * @return the name to be used in C code
-	 */
-	public virtual string get_real_cname () {
-		if (base_method != null || base_interface_method != null) {
-			return "%sreal_%s".printf (parent_symbol.get_lower_case_cprefix (), name);
-		} else {
-			return get_cname ();
-		}
-	}
-
-	protected string get_finish_name_for_basename (string basename) {
-		string result = basename;
-		if (result.has_suffix ("_async")) {
-			result = result.substring (0, result.length - "_async".length);
-		}
-		result += "_finish";
-		return result;
-	}
-
-	public string get_finish_real_cname () {
-		assert (coroutine);
-		return get_finish_name_for_basename (get_real_cname ());
-	}
-
-	public string get_finish_vfunc_name () {
-		assert (coroutine);
-		return get_finish_name_for_basename (vfunc_name);
-	}
-
-	public string get_default_finish_cname () {
-		return get_finish_name_for_basename (get_cname ());
-	}
-	
-	/**
-	 * Sets the name of this method as it is used in C code.
-	 *
-	 * @param cname the name to be used in C code
-	 */
-	public void set_cname (string cname) {
-		this.cname = cname;
-	}
-	
-	private void process_ccode_attribute (Attribute a) {
-		if (a.has_argument ("cname")) {
-			set_cname (a.get_string ("cname"));
-		}
-		if (a.has_argument ("cheader_filename")) {
-			var val = a.get_string ("cheader_filename");
-			foreach (string filename in val.split (",")) {
-				add_cheader_filename (filename);
-			}
-		}
-		if (a.has_argument ("vfunc_name")) {
-			this.vfunc_name = a.get_string ("vfunc_name");
-		}
-		if (a.has_argument ("finish_name")) {
-			this.finish_name = a.get_string ("finish_name");
-		}
-		if (a.has_argument ("sentinel")) {
-			this.sentinel = a.get_string ("sentinel");
-		}
-		if (a.has_argument ("instance_pos")) {
-			cinstance_parameter_position = a.get_double ("instance_pos");
-		}
-		if (a.has_argument ("array_length")) {
-			no_array_length = !a.get_bool ("array_length");
-		}
-		if (a.has_argument ("array_length_type")) {
-			array_length_type = a.get_string ("array_length_type");
-		}
-		if (a.has_argument ("array_null_terminated")) {
-			array_null_terminated = a.get_bool ("array_null_terminated");
-		}
-		if (a.has_argument ("array_length_pos")) {
-			carray_length_parameter_position = a.get_double ("array_length_pos");
-		}
-		if (a.has_argument ("delegate_target_pos")) {
-			cdelegate_target_parameter_position = a.get_double ("delegate_target_pos");
-		}
-		if (a.has_argument ("has_new_function")) {
-			has_new_function = a.get_bool ("has_new_function");
-		}
-		if (a.has_argument ("generic_type_pos")) {
-			has_generic_type_parameter = true;
-			generic_type_parameter_position = a.get_double ("generic_type_pos");
-		}
-		if (a.has_argument ("simple_generics")) {
-			simple_generics = a.get_bool ("simple_generics");
-		}
-		if (a.has_argument ("type")) {
-			custom_return_type_cname = a.get_string ("type");
-		}
-	}
-	
-	/**
-	 * Process all associated attributes.
-	 */
-	public void process_attributes () {
-		foreach (Attribute a in attributes) {
-			if (a.name == "CCode") {
-				process_ccode_attribute (a);
-			} else if (a.name == "ReturnsModifiedPointer") {
-				returns_modified_pointer = true;
-			} else if (a.name == "FloatingReference") {
-				return_type.floating_reference = true;
-			} else if (a.name == "NoArrayLength") {
-				Report.warning (source_reference, "NoArrayLength attribute is deprecated, use [CCode (array_length = false)] instead.");
-				no_array_length = true;
-			} else if (a.name == "NoThrow") {
-				get_error_types ().clear ();
-			} else if (a.name == "DestroysInstance") {
-				this_parameter.variable_type.value_owned = true;
-			}
-		}
-	}
-
-	/**
 	 * Checks whether the parameters and return type of this method are
 	 * compatible with the specified method
 	 *
@@ -809,7 +557,12 @@ public class Vala.Method : Subroutine {
 
 		checked = true;
 
-		process_attributes ();
+		if (get_attribute ("DestroysInstance") != null) {
+			this_parameter.variable_type.value_owned = true;
+		}
+		if (get_attribute ("NoThrow") != null) {
+			get_error_types ().clear ();
+		}
 
 		if (is_abstract) {
 			if (parent_symbol is Class) {
@@ -1108,7 +861,6 @@ public class Vala.Method : Subroutine {
 			callback_method.binding = MemberBinding.INSTANCE;
 			callback_method.owner = scope;
 			callback_method.is_async_callback = true;
-			callback_method.set_cname (get_real_cname () + "_co");
 		}
 		return callback_method;
 	}
@@ -1132,8 +884,8 @@ public class Vala.Method : Subroutine {
 		var callback_param = new Parameter ("_callback_", callback_type);
 		callback_param.initializer = new NullLiteral (source_reference);
 		callback_param.initializer.target_type = callback_type.copy ();
-		callback_param.cparameter_position = -1;
-		callback_param.cdelegate_target_parameter_position = -0.9;
+		callback_param.set_attribute_double ("CCode", "pos", -1);
+		callback_param.set_attribute_double ("CCode", "delegate_target_pos", -0.9);
 
 		params.add (callback_param);
 
@@ -1149,7 +901,7 @@ public class Vala.Method : Subroutine {
 		var result_type = new ObjectType ((ObjectTypeSymbol) glib_ns.scope.lookup ("AsyncResult"));
 
 		var result_param = new Parameter ("_res_", result_type);
-		result_param.cparameter_position = 0.1;
+		result_param.set_attribute_double ("CCode", "pos", 0.1);
 		params.add (result_param);
 
 		foreach (var param in parameters) {
diff --git a/vala/valamethodtype.vala b/vala/valamethodtype.vala
index 594aeb2..9a492fa 100644
--- a/vala/valamethodtype.vala
+++ b/vala/valamethodtype.vala
@@ -62,10 +62,6 @@ public class Vala.MethodType : DataType {
 		return method_symbol.get_full_name ();
 	}
 
-	public override string? get_cname () {
-		return "gpointer";
-	}
-
 	public override Symbol? get_member (string member_name) {
 		if (method_symbol.coroutine && member_name == "begin") {
 			return method_symbol;
diff --git a/vala/valanamespace.vala b/vala/valanamespace.vala
index 45abd68..7506e25 100644
--- a/vala/valanamespace.vala
+++ b/vala/valanamespace.vala
@@ -38,9 +38,6 @@ public class Vala.Namespace : Symbol {
 
 	private List<Comment> comments = new ArrayList<Comment> ();
 
-	private List<string> cprefixes = new ArrayList<string> ();
-	private string lower_case_cprefix;
-	
 	private List<Namespace> namespaces = new ArrayList<Namespace> ();
 
 	private List<UsingDirective> using_directives = new ArrayList<UsingDirective> ();
@@ -499,112 +496,6 @@ public class Vala.Namespace : Symbol {
 			m.accept (visitor);
 		}
 	}
-	
-	public override string get_cprefix () {
-		if (cprefixes.size > 0) {
-			return cprefixes[0];
-		} else if (null != name) {
-			string parent_prefix;
-			if (parent_symbol == null) {
-				parent_prefix = "";
-			} else {
-				parent_prefix = parent_symbol.get_cprefix ();
-			}
-			return parent_prefix + name;
-		} else {
-			return "";
-		}
-	}
-
-	public List<string> get_cprefixes () {
-		if (0 == cprefixes.size && null != name)
-			cprefixes.add (name);
-
-		return cprefixes;
-	}
-
-	/**
-	 * Adds a camel case string to be prepended to the name of members of
-	 * this namespace when used in C code.
-	 *
-	 * @param cprefixes the camel case prefixes used in C code
-	 */
-	public void add_cprefix (string cprefix) {
-		cprefixes.add (cprefix);
-	}
-
-	/**
-	 * Returns the lower case string to be prepended to the name of members
-	 * of this namespace when used in C code.
-	 *
-	 * @return the lower case prefix to be used in C code
-	 */
-	public override string get_lower_case_cprefix () {
-		if (lower_case_cprefix == null) {
-			if (name == null) {
-				lower_case_cprefix = "";
-			} else {
-				string parent_prefix;
-				if (parent_symbol == null) {
-					parent_prefix = "";
-				} else {
-					parent_prefix = parent_symbol.get_lower_case_cprefix ();
-				}
-				lower_case_cprefix = "%s%s_".printf (parent_prefix, camel_case_to_lower_case (name));
-			}
-		}
-		return lower_case_cprefix;
-	}
-
-	/**
-	 * Sets the lower case string to be prepended to the name of members of
-	 * this namespace when used in C code.
-	 *
-	 * @param cprefix the lower case prefix to be used in C code
-	 */
-	public void set_lower_case_cprefix (string cprefix) {
-		this.lower_case_cprefix = cprefix;
-	}
-
-	private void process_ccode_attribute (Attribute a) {
-		if (a.has_argument ("cprefix")) {
-			string value = a.get_string ("cprefix");
-			if (value == "") {
-				// split of an empty string returns an empty array
-				add_cprefix ("");
-			} else {
-				foreach (string name in value.split (",")) {
-					add_cprefix (name);
-				}
-			}
-		}
-		if (a.has_argument ("lower_case_cprefix")) {
-			set_lower_case_cprefix (a.get_string ("lower_case_cprefix"));
-		}
-		if (a.has_argument ("cheader_filename")) {
-			var val = a.get_string ("cheader_filename");
-			foreach (string filename in val.split (",")) {
-				add_cheader_filename (filename);
-			}
-		}
-		if (a.has_argument ("gir_namespace")) {
-			source_reference.file.gir_namespace = a.get_string ("gir_namespace");
-		}
-		if (a.has_argument ("gir_version")) {
-			source_reference.file.gir_version = a.get_string ("gir_version");
-		}
-	}
-
-	/**
-	 * Process all associated attributes.
-	 */
-	public void process_attributes () {
-		foreach (Attribute a in attributes) {
-			if (a.name == "CCode") {
-				process_ccode_attribute (a);
-			}
-		}
-	}
 
 	public override bool check (CodeContext context) {
 		if (checked) {
@@ -613,7 +504,13 @@ public class Vala.Namespace : Symbol {
 
 		checked = true;
 
-		process_attributes ();
+		var a = get_attribute ("CCode");
+		if (a != null && a.has_argument ("gir_namespace")) {
+			source_reference.file.gir_namespace = a.get_string ("gir_namespace");
+		}
+		if (a != null && a.has_argument ("gir_version")) {
+			source_reference.file.gir_version = a.get_string ("gir_version");
+		}
 
 		foreach (Namespace ns in namespaces) {
 			ns.check (context);
diff --git a/vala/valanulltype.vala b/vala/valanulltype.vala
index fdba4a7..19d1109 100644
--- a/vala/valanulltype.vala
+++ b/vala/valanulltype.vala
@@ -62,14 +62,6 @@ public class Vala.NullType : ReferenceType {
 		return new NullType (source_reference);
 	}
 
-	public override string? get_cname () {
-		if (CodeContext.get ().profile == Profile.GOBJECT) {
-			return "gpointer";
-		} else {
-			return "void *";
-		}
-	}
-
 	public override bool is_disposable () {
 		return false;
 	}
diff --git a/vala/valaobjectcreationexpression.vala b/vala/valaobjectcreationexpression.vala
index 1152b46..a274de0 100644
--- a/vala/valaobjectcreationexpression.vala
+++ b/vala/valaobjectcreationexpression.vala
@@ -275,7 +275,8 @@ public class Vala.ObjectCreationExpression : Expression {
 			}
 
 			while (cl != null) {
-				if (cl.get_ref_sink_function () != null) {
+				// FIXME: use target values in the codegen
+				if (cl.get_attribute_string ("CCode", "ref_sink_function") != null) {
 					value_type.floating_reference = true;
 					break;
 				}
diff --git a/vala/valaobjecttype.vala b/vala/valaobjecttype.vala
index 4218756..6d440b1 100644
--- a/vala/valaobjecttype.vala
+++ b/vala/valaobjecttype.vala
@@ -51,16 +51,6 @@ public class Vala.ObjectType : ReferenceType {
 		return result;
 	}
 
-	public override string? get_cname () {
-		if (CodeContext.get ().profile == Profile.DOVA) {
-			if (type_symbol.get_full_name () == "string") {
-				return "string_t";
-			}
-		}
-
-		return "%s*".printf (type_symbol.get_cname (!value_owned));
-	}
-
 	public override bool stricter (DataType target_type) {
 		var obj_target_type = target_type as ObjectType;
 		if (obj_target_type == null) {
diff --git a/vala/valaparameter.vala b/vala/valaparameter.vala
index ab4d4a3..e34b773 100644
--- a/vala/valaparameter.vala
+++ b/vala/valaparameter.vala
@@ -42,30 +42,6 @@ public class Vala.Parameter : Variable {
 	 */
 	public bool params_array { get; set; }
 	
-	/**
-	 * Specifies the position of the parameter in the C function.
-	 */
-	public double cparameter_position { get; set; }
-
-	/**
-	 * Specifies the position of the array length parameter in the C
-	 * function.
-	 */
-	public double carray_length_parameter_position { get; set; }
-
-	/**
-	 * Specifies the position of the delegate target parameter in the C
-	 * function.
-	 */
-	public double cdelegate_target_parameter_position { get; set; }
-
-	public double cdestroy_notify_parameter_position { get; set; }
-
-	/**
-	 * Specifies the type of the parameter in the C function.
-	 */
-	public string? ctype { get; set; }
-
 	public bool captured { get; set; }
 
 	/**
@@ -119,46 +95,13 @@ public class Vala.Parameter : Variable {
 		}
 	}
 
-	private void process_ccode_attribute (Attribute a) {
-		if (a.has_argument ("type")) {
-			ctype = a.get_string ("type");
-		}
-		if (a.has_argument ("pos")) {
-			cparameter_position = a.get_double ("pos");
-		}
-		if (a.has_argument ("array_length_pos")) {
-			carray_length_parameter_position = a.get_double ("array_length_pos");
-		}
-		if (a.has_argument ("delegate_target_pos")) {
-			cdelegate_target_parameter_position = a.get_double ("delegate_target_pos");
-		}
-		if (a.has_argument ("destroy_notify_pos")) {
-			cdestroy_notify_parameter_position = a.get_double ("destroy_notify_pos");
-		}
-	}
-
-	/**
-	 * Process all associated attributes.
-	 */
-	public override void process_attributes () {
-		base.process_attributes ();
-
-		foreach (Attribute a in attributes) {
-			if (a.name == "CCode") {
-				process_ccode_attribute (a);
-			}
-		}
-	}
-
 	public Parameter copy () {
 		if (!ellipsis) {
 			var result = new Parameter (name, variable_type, source_reference);
 			result.params_array = params_array;
 			result.direction = this.direction;
 			result.initializer = this.initializer;
-			result.no_array_length = this.no_array_length;
-			result.no_delegate_target = this.no_delegate_target;
-			result.array_null_terminated = this.array_null_terminated;
+			result.attributes = this.attributes.copy ();
 			return result;
 		} else {
 			return new Parameter.with_ellipsis ();
@@ -172,8 +115,6 @@ public class Vala.Parameter : Variable {
 
 		checked = true;
 
-		process_attributes ();
-
 		var old_source_file = context.analyzer.current_source_file;
 		var old_symbol = context.analyzer.current_symbol;
 
diff --git a/vala/valapointertype.vala b/vala/valapointertype.vala
index 9234587..5c0f506 100644
--- a/vala/valapointertype.vala
+++ b/vala/valapointertype.vala
@@ -49,14 +49,6 @@ public class Vala.PointerType : DataType {
 		return base_type.to_qualified_string (scope) + "*";
 	}
 
-	public override string? get_cname () {
-		if (base_type.data_type != null && base_type.data_type.is_reference_type ()) {
-			return base_type.get_cname ();
-		} else {
-			return base_type.get_cname () + "*";
-		}
-	}
-
 	public override DataType copy () {
 		return new PointerType (base_type.copy ());
 	}
@@ -91,7 +83,7 @@ public class Vala.PointerType : DataType {
 			return base_type.compatible (target_type);
 		}
 
-		if (target_type.get_type_id () == "G_TYPE_VALUE") {
+		if (CodeContext.get ().profile == Profile.GOBJECT && target_type.data_type == CodeContext.get ().analyzer.gvalue_type.data_type) {
 			// allow implicit conversion to GValue
 			return true;
 		}
@@ -127,10 +119,6 @@ public class Vala.PointerType : DataType {
 		return base_type.is_accessible (sym);
 	}
 
-	public override string? get_type_id () {
-		return "G_TYPE_POINTER";
-	}
-
 	public override void accept_children (CodeVisitor visitor) {
 		base_type.accept (visitor);
 	}
diff --git a/vala/valaproperty.vala b/vala/valaproperty.vala
index ea24086..7816020 100644
--- a/vala/valaproperty.vala
+++ b/vala/valaproperty.vala
@@ -72,18 +72,6 @@ public class Vala.Property : Symbol, Lockable {
 	public Parameter this_parameter { get; set; }
 
 	/**
-	 * Specifies whether a `notify` signal should be emitted on property
-	 * changes.
-	 */
-	public bool notify { get; set; default = true; }
-
-	/**
-	 * Specifies whether the implementation of this property does not
-	 * provide getter/setter methods.
-	 */
-	public bool no_accessor_method { get; set; }
-	
-	/**
 	 * Specifies whether automatic accessor code generation should be
 	 * disabled.
 	 */
@@ -146,43 +134,10 @@ public class Vala.Property : Symbol, Lockable {
 	 */
 	public Expression initializer { get; set; }
 
-	public bool no_array_length { get; set; }
-
-	public bool array_null_terminated { get; set; }
-
-	/**
-	 * Nickname of this property.
-	 */
-	public string nick {
-		get {
-			if (_nick == null) {
-				_nick = get_canonical_name ();
-			}
-			return _nick;
-		}
-		set { _nick = value; }
-	}
-
-	/**
-	 * The long description of this property.
-	 */
-	public string blurb {
-		get {
-			if (_blurb == null) {
-				_blurb = get_canonical_name ();
-			}
-			return _blurb;
-		}
-		set { _blurb = value; }
-	}
-
 	private bool lock_used = false;
 
 	private DataType _data_type;
 
-	private string? _nick;
-	private string? _blurb;
-
 	private weak Property _base_property;
 	private Property _base_interface_property;
 	private bool base_properties_valid;
@@ -225,77 +180,6 @@ public class Vala.Property : Symbol, Lockable {
 		}
 	}
 
-	/**
-	 * Returns the C name of this property in upper case. Words are
-	 * separated by underscores. The upper case C name of the class is
-	 * prefix of the result.
-	 *
-	 * @return the upper case name to be used in C code
-	 */
-	public string get_upper_case_cname () {
-		return "%s_%s".printf (parent_symbol.get_lower_case_cname (null), camel_case_to_lower_case (name)).up ();
-	}
-	
-	/**
-	 * Returns the string literal of this property to be used in C code.
-	 *
-	 * @return string literal to be used in C code
-	 */
-	public CCodeConstant get_canonical_cconstant () {
-		return new CCodeConstant ("\"%s\"".printf (get_canonical_name ()));
-	}
-
-	public string get_canonical_name () {
-		var str = new StringBuilder ();
-		
-		string i = name;
-		
-		while (i.length > 0) {
-			unichar c = i.get_char ();
-			if (c == '_') {
-				str.append_c ('-');
-			} else {
-				str.append_unichar (c);
-			}
-			
-			i = i.next_char ();
-		}
-		
-		return str.str;
-	}
-
-	void process_ccode_attribute (Attribute a) {
-		if (a.has_argument ("notify")) {
-			notify = a.get_bool ("notify");
-		}
-		if (a.has_argument ("array_length")) {
-			no_array_length = !a.get_bool ("array_length");
-		}
-		if (a.has_argument ("array_null_terminated")) {
-			array_null_terminated = a.get_bool ("array_null_terminated");
-		}
-	}
-
-	/**
-	 * Process all associated attributes.
-	 */
-	public void process_attributes () {
-		foreach (Attribute a in attributes) {
-			if (a.name == "CCode") {
-				process_ccode_attribute (a);
-			} else if (a.name == "NoAccessorMethod") {
-				no_accessor_method = true;
-			} else if (a.name == "Description") {
-				if (a.has_argument ("nick")) {
-					nick = a.get_string ("nick");
-				}
-				if (a.has_argument ("blurb")) {
-					blurb = a.get_string ("blurb");
-				}
-			}			
-		}
-	}
-	
 	public bool get_lock_used () {
 		return lock_used;
 	}
@@ -424,8 +308,6 @@ public class Vala.Property : Symbol, Lockable {
 
 		checked = true;
 
-		process_attributes ();
-
 		if (is_abstract) {
 			if (parent_symbol is Class) {
 				var cl = (Class) parent_symbol;
diff --git a/vala/valapropertyaccessor.vala b/vala/valapropertyaccessor.vala
index dc4a8b3..47a1977 100644
--- a/vala/valapropertyaccessor.vala
+++ b/vala/valapropertyaccessor.vala
@@ -76,29 +76,7 @@ public class Vala.PropertyAccessor : Subroutine {
 	 */
 	public Parameter value_parameter { get; set; }
 
-	public virtual string get_default_cname () {
-		var t = (TypeSymbol) prop.parent_symbol;
-
-		if (readable) {
-			return "%sget_%s".printf (t.get_lower_case_cprefix (), prop.name);
-		} else {
-			return "%sset_%s".printf (t.get_lower_case_cprefix (), prop.name);
-		}
-	}
-
-	/**
-	 * The publicly accessible name of the function that performs the
-	 * access in C code.
-	 */
-	public string get_cname () {
-		if (_cname != null) {
-			return _cname;
-		}
-		return get_default_cname ();
-	}
-
 	private DataType _value_type;
-	private string? _cname;
 	
 	/**
 	 * Creates a new property accessor.
@@ -136,19 +114,6 @@ public class Vala.PropertyAccessor : Subroutine {
 		}
 	}
 
-	/**
-	 * Process all associated attributes.
-	 */
-	public void process_attributes () {
-		foreach (Attribute a in attributes) {
-			if (a.name == "CCode") {
-				if (a.has_argument ("cname")) {
-					_cname = a.get_string ("cname");
-				}
-			}
-		}
-	}
-
 	public override bool check (CodeContext context) {
 		if (checked) {
 			return !error;
@@ -156,8 +121,6 @@ public class Vala.PropertyAccessor : Subroutine {
 
 		checked = true;
 
-		process_attributes ();
-
 		if (!value_type.check (context)) {
 			error = true;
 			return false;
@@ -229,8 +192,4 @@ public class Vala.PropertyAccessor : Subroutine {
 			value_type = new_type;
 		}
 	}
-
-	public override List<string> get_cheader_filenames () {
-		return parent_symbol.get_cheader_filenames ();
-	}
 }
diff --git a/vala/valasemanticanalyzer.vala b/vala/valasemanticanalyzer.vala
index a2a3a10..97f910d 100644
--- a/vala/valasemanticanalyzer.vala
+++ b/vala/valasemanticanalyzer.vala
@@ -152,6 +152,7 @@ public class Vala.SemanticAnalyzer : CodeVisitor {
 	public DataType type_type;
 	public Class object_type;
 	public StructValueType gvalue_type;
+	public ObjectType gvariant_type;
 	public DataType glist_type;
 	public DataType gslist_type;
 	public DataType garray_type;
@@ -213,6 +214,7 @@ public class Vala.SemanticAnalyzer : CodeVisitor {
 			object_type = (Class) glib_ns.scope.lookup ("Object");
 			type_type = new IntegerType ((Struct) glib_ns.scope.lookup ("Type"));
 			gvalue_type = new StructValueType ((Struct) glib_ns.scope.lookup ("Value"));
+			gvariant_type = new ObjectType ((Class) glib_ns.scope.lookup ("Variant"));
 
 			glist_type = new ObjectType ((Class) glib_ns.scope.lookup ("List"));
 			gslist_type = new ObjectType ((Class) glib_ns.scope.lookup ("SList"));
diff --git a/vala/valasignal.vala b/vala/valasignal.vala
index e041ec0..fb5895a 100644
--- a/vala/valasignal.vala
+++ b/vala/valasignal.vala
@@ -48,11 +48,6 @@ public class Vala.Signal : Symbol, Lockable {
 	}
 
 	/**
-	 * Specifies whether this signal has an emitter wrapper function.
-	 */
-	public bool has_emitter { get; set; }
-	
-	/**
 	 * Specifies whether this signal has virtual method handler.
 	 */
 	public bool is_virtual { get; set; }
@@ -64,19 +59,6 @@ public class Vala.Signal : Symbol, Lockable {
 	 * */
 	public Method default_handler { get; private set; }
 
-	public bool is_detailed { get; set; }
-
-	public bool no_recurse { get; set; }
-
-	public string run_type { get; set; }
-
-	public bool is_action { get; set; }
-
-	public bool no_hooks { get; set; }
-
-
-	private string cname;
-	
 	private bool lock_used = false;
 
 	private DataType _return_type;
@@ -94,7 +76,6 @@ public class Vala.Signal : Symbol, Lockable {
 	public Signal (string name, DataType return_type, SourceReference? source_reference = null, Comment? comment = null) {
 		base (name, source_reference, comment);
 		this.return_type = return_type;
-		this.run_type = "last";
 	}
 	
 	/**
@@ -103,12 +84,6 @@ public class Vala.Signal : Symbol, Lockable {
 	 * @param param a formal parameter
 	 */
 	public void add_parameter (Parameter param) {
-		// default C parameter position
-		param.cparameter_position = parameters.size + 1;
-		param.carray_length_parameter_position = param.cparameter_position + 0.1;
-		param.cdelegate_target_parameter_position = param.cparameter_position + 0.1;
-		param.cdestroy_notify_parameter_position = param.cparameter_position + 0.1;
-
 		parameters.add (param);
 		scope.add (param.name, param);
 	}
@@ -167,54 +142,7 @@ public class Vala.Signal : Symbol, Lockable {
 
 		return generated_delegate;
 	}
-
-	/**
-	 * Returns the name of this signal as it is used in C code.
-	 *
-	 * @return the name to be used in C code
-	 */
-	public string get_cname () {
-		if (cname == null) {
-			cname = camel_case_to_lower_case (name);
-		}
-		return cname;
-	}
-	
-	public void set_cname (string cname) {
-		this.cname = cname;
-	}
 	
-	/**
-	 * Returns the string literal of this signal to be used in C code.
-	 *
-	 * @return string literal to be used in C code
-	 */
-	public CCodeConstant get_canonical_cconstant (string? detail = null) {
-		var str = new StringBuilder ("\"");
-		
-		string i = get_cname ();
-		
-		while (i.length > 0) {
-			unichar c = i.get_char ();
-			if (c == '_') {
-				str.append_c ('-');
-			} else {
-				str.append_unichar (c);
-			}
-			
-			i = i.next_char ();
-		}
-
-		if (detail != null) {
-			str.append ("::");
-			str.append (detail);
-		}
-
-		str.append_c ('"');
-		
-		return new CCodeConstant (str.str);
-	}
-
 	public override void accept (CodeVisitor visitor) {
 		visitor.visit_signal (this);
 	}
@@ -232,46 +160,6 @@ public class Vala.Signal : Symbol, Lockable {
 		}
 	}
 
-	void process_signal_attribute (Attribute a) {
-		if (a.has_argument ("detailed")) {
-			is_detailed = a.get_bool ("detailed");
-		}
-		if (a.has_argument ("no_recurse")) {
-			no_recurse = a.get_bool ("no_recurse");
-		}
-		if (a.has_argument ("run")) {
-			var arg = a.get_string ("run");
-			if (arg == "first") {
-				run_type = "first";
-			} else if (arg == "last") {
-				run_type = "last";
-			} else if (arg == "cleanup") {
-				run_type = "cleanup";
-			}
-		}
-
-		if (a.has_argument ("action")) {
-			is_action = a.get_bool ("action");
-		}
-
-		if (a.has_argument ("no_hooks")) {
-			no_hooks = a.get_bool ("no_hooks");
-		}
-	}
-
-	/**
-	 * Process all associated attributes.
-	 */
-	public void process_attributes () {
-		foreach (Attribute a in attributes) {
-			if (a.name == "HasEmitter") {
-				has_emitter = true;
-			} else if (a.name == "Signal") {
-				process_signal_attribute (a);
-			}
-		}
-	}
-	
 	public bool get_lock_used () {
 		return lock_used;
 	}
@@ -293,8 +181,6 @@ public class Vala.Signal : Symbol, Lockable {
 
 		checked = true;
 
-		process_attributes ();
-
 		return_type.check (context);
 		
 		foreach (Parameter param in parameters) {
@@ -314,7 +200,6 @@ public class Vala.Signal : Symbol, Lockable {
 			default_handler.external = external;
 			default_handler.hides = hides;
 			default_handler.is_virtual = true;
-			default_handler.vfunc_name = name;
 			default_handler.signal_reference = this;
 			default_handler.body = body;
 
diff --git a/vala/valastruct.vala b/vala/valastruct.vala
index 443dc04..be8a526 100644
--- a/vala/valastruct.vala
+++ b/vala/valastruct.vala
@@ -33,11 +33,6 @@ public class Vala.Struct : TypeSymbol {
 	private List<Property> properties = new ArrayList<Property> ();
 	private DataType _base_type = null;
 
-	private string cname;
-	private string const_cname;
-	private string type_id;
-	private string lower_case_cprefix;
-	private string lower_case_csuffix;
 	private bool? boolean_type;
 	private bool? integer_type;
 	private bool? floating_type;
@@ -47,13 +42,6 @@ public class Vala.Struct : TypeSymbol {
 	private int? _width;
 	private bool? _signed;
 	private bool? _is_immutable;
-	private string marshaller_type_name;
-	private string get_value_function;
-	private string set_value_function;
-	private string take_value_function;
-	private string default_value = null;
-	private string copy_function;
-	private string destroy_function;
 
 	/**
 	 * Specifies the base type.
@@ -102,11 +90,6 @@ public class Vala.Struct : TypeSymbol {
 		}
 	}
 
-	/**
-	 * Specifies whether this struct has a registered GType.
-	 */
-	public bool has_type_id { get; set; default = true; }
-
 	public int width {
 		get {
 			if (_width == null) {
@@ -141,10 +124,6 @@ public class Vala.Struct : TypeSymbol {
 		}
 	}
 
-	public bool has_copy_function { get; set; default = true; }
-
-	public bool has_destroy_function { get; set; default = true; }
-
 	/**
 	 * Creates a new struct.
 	 *
@@ -316,70 +295,6 @@ public class Vala.Struct : TypeSymbol {
 		}
 	}
 
-	public override string get_cname (bool const_type = false) {
-		if (const_type && const_cname != null) {
-			return const_cname;
-		}
-		
-		if (cname == null) {
-			var attr = get_attribute ("CCode");
-			if (attr != null) {
-				cname = attr.get_string ("cname");
-			}
-			if (cname == null) {
-				cname = get_default_cname ();
-			}
-		}
-		return cname;
-	}
-
-	public void set_cname (string cname) {
-		this.cname = cname;
-	}
-
-	/**
-	 * Returns the default name of this struct as it is used in C code.
-	 *
-	 * @return the name to be used in C code by default
-	 */
-	public string get_default_cname () {
-		// parent_symbol may be null in GIR parser
-		if (parent_symbol != null) {
-			return "%s%s".printf (parent_symbol.get_cprefix (), name);
-		} else {
-			return name;
-		}
-	}
-
-	private void set_const_cname (string cname) {
-		this.const_cname = cname;
-	}
-	
-	public override string get_lower_case_cprefix () {
-		if (lower_case_cprefix == null) {
-			lower_case_cprefix = "%s_".printf (get_lower_case_cname (null));
-		}
-		return lower_case_cprefix;
-	}
-	
-	private string get_lower_case_csuffix () {
-		if (lower_case_csuffix == null) {
-			lower_case_csuffix = camel_case_to_lower_case (name);
-		}
-		return lower_case_csuffix;
-	}
-
-	public override string? get_lower_case_cname (string? infix) {
-		if (infix == null) {
-			infix = "";
-		}
-		return "%s%s%s".printf (parent_symbol.get_lower_case_cprefix (), infix, get_lower_case_csuffix ());
-	}
-	
-	public override string? get_upper_case_cname (string? infix) {
-		return get_lower_case_cname (infix).up ();
-	}
-
 	/**
 	 * Returns whether this is a boolean type.
 	 *
@@ -469,233 +384,6 @@ public class Vala.Struct : TypeSymbol {
 		}
 	}
 
-	private void process_gir_attribute (Attribute a) {
-		if (a.has_argument ("name")) {
-			gir_name = a.get_string ("name");
-		}
-	}
-
-	private void process_ccode_attribute (Attribute a) {
-		if (a.has_argument ("const_cname")) {
-			set_const_cname (a.get_string ("const_cname"));
-		}
-		if (a.has_argument ("cprefix")) {
-			lower_case_cprefix = a.get_string ("cprefix");
-		}
-		if (a.has_argument ("cheader_filename")) {
-			var val = a.get_string ("cheader_filename");
-			foreach (string filename in val.split (",")) {
-				add_cheader_filename (filename);
-			}
-		}
-		if (a.has_argument ("has_type_id")) {
-			has_type_id = a.get_bool ("has_type_id");
-		}
-		if (a.has_argument ("type_id")) {
-			set_type_id (a.get_string ("type_id"));
-		}
-		if (a.has_argument ("marshaller_type_name")) {
-			set_marshaller_type_name (a.get_string ("marshaller_type_name"));
-		}
-		if (a.has_argument ("get_value_function")) {
-			set_get_value_function (a.get_string ("get_value_function"));
-		}
-		if (a.has_argument ("set_value_function")) {
-			set_set_value_function (a.get_string ("set_value_function"));
-		}
-		if (a.has_argument ("take_value_function")) {
-			set_take_value_function (a.get_string ("take_value_function"));
-		}
-		if (a.has_argument ("default_value")) {
-			set_default_value (a.get_string ("default_value"));
-		}
-		if (a.has_argument ("copy_function")) {
-			set_copy_function (a.get_string ("copy_function"));
-		}
-		if (a.has_argument ("has_copy_function")) {
-			has_copy_function = a.get_bool ("has_copy_function");
-		}
-		if (a.has_argument ("destroy_function")) {
-			set_destroy_function (a.get_string ("destroy_function"));
-		}
-		if (a.has_argument ("has_destroy_function")) {
-			has_destroy_function = a.get_bool ("has_destroy_function");
-		}
-	}
-
-	/**
-	 * Process all associated attributes.
-	 */
-	public void process_attributes () {
-		foreach (Attribute a in attributes) {
-			if (a.name == "CCode") {
-				process_ccode_attribute (a);
-			} else if (a.name == "GIR") {
-				process_gir_attribute (a);
-			}
-		}
-	}
-
-	public override string? get_type_id () {
-		if (type_id == null) {
-			if (!has_type_id) {
-				if (base_type != null) {
-					var st = base_struct;
-					if (st != null) {
-						return st.get_type_id ();
-					}
-				}
-				if (is_simple_type ()) {
-					return null;
-				} else {
-					return "G_TYPE_POINTER";
-				}
-			} else {
-				type_id = get_upper_case_cname ("TYPE_");
-			}
-		}
-		return type_id;
-	}
-	
-	public void set_type_id (string? name) {
-		this.type_id = name;
-	}
-
-	public override string? get_marshaller_type_name () {
-		if (marshaller_type_name == null) {
-			if (base_type != null) {
-				var st = base_struct;
-				if (st != null) {
-					return st.get_marshaller_type_name ();
-				}
-			}
-			if (is_simple_type ()) {
-				Report.error (source_reference, "The type `%s` doesn't declare a marshaller type name".printf (get_full_name ()));
-				// set marshaller_type_name to avoid multiple errors
-				marshaller_type_name = "";
-				return "";
-			} else if (has_type_id) {
-				return "BOXED";
-			} else {
-				return "POINTER";
-			}
-		}
-		return marshaller_type_name;
-	}
-	
-	private void set_marshaller_type_name (string? name) {
-		this.marshaller_type_name = name;
-	}
-	
-	public override string? get_get_value_function () {
-		if (get_value_function == null) {
-			if (base_type != null) {
-				var st = base_struct;
-				if (st != null) {
-					return st.get_get_value_function ();
-				}
-			}
-			if (is_simple_type ()) {
-				Report.error (source_reference, "The value type `%s` doesn't declare a GValue get function".printf (get_full_name ()));
-				// set get_value_function to avoid multiple errors
-				get_value_function = "";
-				return "";
-			} else if (has_type_id) {
-				return "g_value_get_boxed";
-			} else {
-				return "g_value_get_pointer";
-			}
-		} else {
-			return get_value_function;
-		}
-	}
-	
-	public override string? get_set_value_function () {
-		if (set_value_function == null) {
-			if (base_type != null) {
-				var st = base_struct;
-				if (st != null) {
-					return st.get_set_value_function ();
-				}
-			}
-			if (is_simple_type ()) {
-				Report.error (source_reference, "The value type `%s` doesn't declare a GValue set function".printf (get_full_name ()));
-				// set set_value_function to avoid multiple errors
-				set_value_function = "";
-				return "";
-			} else if (has_type_id) {
-				return "g_value_set_boxed";
-			} else {
-				return "g_value_set_pointer";
-			}
-		} else {
-			return set_value_function;
-		}
-	}
-
-	public override string? get_take_value_function () {
-		if (take_value_function == null) {
-			if (base_type != null) {
-				var st = base_struct;
-				if (st != null) {
-					return st.get_take_value_function ();
-				}
-			}
-			if (is_simple_type ()) {
-				Report.error (source_reference, "The value type `%s` doesn't declare a GValue take function".printf (get_full_name ()));
-				// set take_value_function to avoid multiple errors
-				take_value_function = "";
-				return "";
-			} else if (has_type_id) {
-				return "g_value_take_boxed";
-			} else {
-				return "g_value_take_pointer";
-			}
-		} else {
-			return take_value_function;
-		}
-	}
-
-	private void set_get_value_function (string? function) {
-		get_value_function = function;
-	}
-	
-	private void set_set_value_function (string? function) {
-		set_value_function = function;
-	}
-
-	private void set_take_value_function (string? function) {
-		take_value_function = function;
-	}
-
-	public override string? get_default_value () {
-		if (default_value != null) {
-			return default_value;
-		}
-
-		// inherit default value from base type
-		if (base_type != null) {
-			var st = base_struct;
-			if (st != null) {
-				return st.get_default_value ();
-			}
-		}
-
-		if (CodeContext.get ().profile == Profile.DOVA) {
-			if (is_boolean_type ()) {
-				return "false";
-			} else if (is_integer_type () || is_floating_type ()) {
-				return "0";
-			}
-		}
-
-		return null;
-	}
-
-	private void set_default_value (string? value) {
-		default_value = value;
-	}
-
 	public override int get_type_parameter_index (string name) {
 		int i = 0;
 		
@@ -756,54 +444,6 @@ public class Vala.Struct : TypeSymbol {
 		return false;
 	}
 
-	public override string? get_dup_function () {
-		// TODO use attribute check instead
-		if (external_package) {
-			return null;
-		} else {
-			return get_lower_case_cprefix () + "dup";
-		}
-	}
-	
-	public override string? get_free_function () {
-		// TODO use attribute check instead
-		if (external_package) {
-			return null;
-		} else {
-			return get_lower_case_cprefix () + "free";
-		}
-	}
-
-	public string get_default_copy_function () {
-		return get_lower_case_cprefix () + "copy";
-	}
-
-	public override string? get_copy_function () {
-		if (copy_function == null) {
-			copy_function = get_default_copy_function ();
-		}
-		return copy_function;
-	}
-
-	public void set_copy_function (string name) {
-		this.copy_function = name;
-	}
-
-	public string get_default_destroy_function () {
-		return get_lower_case_cprefix () + "destroy";
-	}
-
-	public override string? get_destroy_function () {
-		if (destroy_function == null) {
-			destroy_function = get_default_destroy_function ();
-		}
-		return destroy_function;
-	}
-
-	public void set_destroy_function (string name) {
-		this.destroy_function = name;
-	}
-
 	public bool is_disposable () {
 		if (get_attribute_string ("CCode", "destroy_function") != null) {
 			return true;
@@ -842,8 +482,6 @@ public class Vala.Struct : TypeSymbol {
 
 		checked = true;
 
-		process_attributes ();
-
 		var old_source_file = context.analyzer.current_source_file;
 		var old_symbol = context.analyzer.current_symbol;
 
diff --git a/vala/valasymbol.vala b/vala/valasymbol.vala
index 46e26c2..9813801 100644
--- a/vala/valasymbol.vala
+++ b/vala/valasymbol.vala
@@ -53,18 +53,6 @@ public abstract class Vala.Symbol : CodeNode {
 	}
 
 	/**
-	 * The GIR name.
-	 */
-	public string? gir_name {
-		get {
-			return _gir_name == null ? name : _gir_name;
-		}
-		set {
-			_gir_name = value;
-		}
-	}
-
-	/**
 	 * The symbol name.
 	 */
 	public string? name { get; set; }
@@ -150,8 +138,6 @@ public abstract class Vala.Symbol : CodeNode {
 
 	public Comment? comment { get; set; }
 
-	private List<string> cheader_filenames;
-
 	/**
 	 * Specifies whether this method explicitly hides a member of a base
 	 * type.
@@ -229,7 +215,6 @@ public abstract class Vala.Symbol : CodeNode {
 
 	private weak Scope _owner;
 	private Scope _scope;
-	private string? _gir_name = null;
 	private bool? _deprecated;
 	private bool? _experimental;
 
@@ -239,34 +224,7 @@ public abstract class Vala.Symbol : CodeNode {
 		this.comment = comment;
 		_scope = new Scope (this);
 	}
-	
-	/**
-	 * Returns the fully expanded GIR name of this symbol
-	 *
-	 * @return full GIR name
-	 */
-	public string get_full_gir_name () {
-		if (parent_symbol == null) {
-			return gir_name;
-		}
-		
-		if (name == null) {
-			return parent_symbol.get_full_gir_name ();
-		}
-
-		if (parent_symbol.get_full_gir_name () == null) {
-			return gir_name;
-		}
 
-		string parent_gir_name = parent_symbol.get_full_gir_name ();
-		string self_gir_name = gir_name.has_prefix (".") ? gir_name.substring (1) : gir_name;
-		if ("." in parent_gir_name) {
-			return "%s%s".printf (parent_gir_name, self_gir_name);
-		} else {
-			return "%s.%s".printf (parent_gir_name, self_gir_name);
-		}
-	}
-	
 	/**
 	 * Returns the fully expanded name of this symbol for use in
 	 * human-readable messages.
@@ -292,77 +250,8 @@ public abstract class Vala.Symbol : CodeNode {
 			return "%s.%s".printf (parent_symbol.get_full_name (), name);
 		}
 	}
-
-	/**
-	 * Returns the camel case string to be prepended to the name of members
-	 * of this symbol when used in C code.
-	 *
-	 * @return the camel case prefix to be used in C code
-	 */
-	public virtual string get_cprefix () {
-		if (name == null) {
-			return "";
-		} else {
-			return name;
-		}
-	}
 	
 	/**
-	 * Returns the C name of this symbol in lower case. Words are
-	 * separated by underscores. The lower case C name of the parent symbol
-	 * is prefix of the result, if there is one.
-	 *
-	 * @param infix a string to be placed between namespace and data type
-	 *              name or null
-	 * @return      the lower case name to be used in C code
-	 */
-	public virtual string? get_lower_case_cname (string? infix = null) {
-		return null;
-	}
-
-	/**
-	 * Returns the string to be prefixed to members of this symbol in
-	 * lower case when used in C code.
-	 *
-	 * @return      the lower case prefix to be used in C code
-	 */
-	public virtual string get_lower_case_cprefix () {
-		return "";
-	}
-
-	static List<string> _empty_string_list;
-
-	/**
-	 * Returns a list of C header filenames users of this symbol must
-	 * include.
-	 *
-	 * @return list of C header filenames for this symbol
-	 */
-	public virtual List<string> get_cheader_filenames () {
-		if (cheader_filenames == null || cheader_filenames.size == 0) {
-			// parent_symbol can be null on incremental parsing
-			if (parent_symbol != null) {
-				/* default to header filenames of the namespace */
-				var parent_header_filenames = parent_symbol.get_cheader_filenames ();
-				if (parent_header_filenames.size > 0) {
-					return parent_header_filenames;
-				}
-			}
-
-			if (source_reference != null && !external_package) {
-				// don't add default include directives for VAPI files
-				add_cheader_filename (source_reference.file.get_cinclude_filename ());
-			} else {
-				if (_empty_string_list == null) {
-					_empty_string_list = new ArrayList<string> ();
-				}
-				return _empty_string_list;
-			}
-		}
-		return cheader_filenames;
-	}
-
-	/**
 	 * Converts a string from CamelCase to lower_case.
 	 *
 	 * @param camel_case a string in camel case
@@ -541,30 +430,6 @@ public abstract class Vala.Symbol : CodeNode {
 		}
 	}
 
-	/**
-	 * Sets the C header filename of this namespace to the specified
-	 * filename.
-	 *
-	 * @param cheader_filename header filename
-	 */
-	public void set_cheader_filename (string cheader_filename) {
-		cheader_filenames = new ArrayList<string> ();
-		cheader_filenames.add (cheader_filename);
-	}
-
-	/**
-	 * Adds a filename to the list of C header filenames users of this data
-	 * type must include.
-	 *
-	 * @param filename a C header filename
-	 */
-	public void add_cheader_filename (string filename) {
-		if (cheader_filenames == null) {
-			cheader_filenames = new ArrayList<string> ();
-		}
-		cheader_filenames.add (filename);
-	}
-
 	public Symbol? get_hidden_member () {
 		Symbol sym = null;
 
diff --git a/vala/valatypesymbol.vala b/vala/valatypesymbol.vala
index 956939b..8ba3aef 100644
--- a/vala/valatypesymbol.vala
+++ b/vala/valatypesymbol.vala
@@ -34,13 +34,6 @@ public abstract class Vala.TypeSymbol : Symbol {
 	}
 
 	/**
-	 * Returns the name of this data type as it is used in C code.
-	 *
-	 * @return the name to be used in C code
-	 */
-	public abstract string get_cname (bool const_type = false);
-	
-	/**
 	 * Checks whether this data type has value or reference type semantics.
 	 *
 	 * @return true if this data type has reference type semantics
@@ -48,179 +41,6 @@ public abstract class Vala.TypeSymbol : Symbol {
 	public virtual bool is_reference_type () {
 		return false;
 	}
-	
-	/**
-	 * Returns the C function name that duplicates instances of this data
-	 * type. The specified C function must accept one argument referencing
-	 * the instance of this data type and return a reference to the
-	 * duplicate.
-	 *
-	 * @return the name of the C function if supported or null otherwise
-	 */
-	public virtual string? get_dup_function () {
-		return null;
-	}
-	
-	/**
-	 * Returns the C function name that frees instances of this data type.
-	 * The specified C function must accept one argument pointing to the
-	 * instance to be freed.
-	 *
-	 * @return the name of the C function if supported or null otherwise
-	 */
-	public virtual string? get_free_function () {
-		return null;
-	}
-
-	/**
-	 * Returns the C function name that copies contents of instances of
-	 * this data type. This is only applicable to structs. The specified
-	 * C function must accept two arguments, the first is the source value
-	 * and the second is the destination value.
-	 *
-	 * @return the name of the C function if supported or null otherwise
-	 */
-	public virtual string? get_copy_function () {
-		return null;
-	}
-
-	/**
-	 * Returns the C function name that destroys the contents of instances
-	 * of this data type. This is only applicable to structs. The specified
-	 * C function must accept one argument pointing to the instance to be
-	 * destroyed.
-	 *
-	 * @return the name of the C function if supported or null otherwise
-	 */
-	public virtual string? get_destroy_function () {
-		return null;
-	}
-
-	/**
-	 * Checks whether this data type supports reference counting. This is
-	 * only valid for reference types.
-	 *
-	 * @return true if this data type supports reference counting
-	 */
-	public virtual bool is_reference_counting () {
-		return false;
-	}
-	
-	/**
-	 * Returns the C function name that increments the reference count of
-	 * instances of this data type. This is only valid for data types
-	 * supporting reference counting. The specified C function must accept
-	 * one argument referencing the instance of this data type and return
-	 * the reference.
-	 *
-	 * @return the name of the C function or null if this data type does not
-	 *         support reference counting
-	 */
-	public virtual string? get_ref_function () {
-		return null;
-	}
-	
-	/**
-	 * Returns the C function name that decrements the reference count of
-	 * instances of this data type. This is only valid for data types
-	 * supporting reference counting. The specified C function must accept
-	 * one argument referencing the instance of this data type.
-	 *
-	 * @return the name of the C function or null if this data type does not
-	 *         support reference counting
-	 */
-	public virtual string? get_unref_function () {
-		return null;
-	}
-
-	/**
-	 * Returns the C function name that sinks the reference count of
-	 * "floating" instances of this data type. This is only valid for data
-	 * types supporting floating references. The specified C function must
-	 * accept one argument referencing the instance of this data type and
-	 * return a non-floating reference.
-	 *
-	 * The ref_sink function is called for any constructor of the class and
-	 * for other methods that have the class as a return value and are
-	 * marked with the 'floating' attribute.
-	 *
-	 * @return the name of the C function or null if this data type does not
-	 *         support floating reference counts
-	 */
-	public virtual string? get_ref_sink_function () {
-		return null;
-	}
-
-	/**
-	 * Returns the C symbol representing the runtime type id for this data
-	 * type. The specified symbol must express a registered GType.
-	 *
-	 * @return the name of the GType name in C code or null if this data
-	 *         type is not registered with GType
-	 */
-	public virtual string? get_type_id () {
-		return null;
-	}
-	
-	/**
-	 * Returns the name of this data type as used in C code marshallers
-	 *
-	 * @return type name for marshallers
-	 */
-	public virtual string? get_marshaller_type_name () {
-		return null;
-	}
-
-	/**
-	 * Returns the cname of the GValue parameter spec function.
-	 */
-	public virtual string? get_param_spec_function () {
-		return null;
-	}
-
-	/**
-	 * Returns the cname of the GValue getter function.
-	 */
-	public virtual string? get_get_value_function () {
-		return null;
-	}
-	
-	/**
-	 * Returns the cname of the GValue setter function.
-	 */
-	public virtual string? get_set_value_function () {
-		return null;
-	}
-
-	/**
-	 * Returns the cname of the GValue taker function.
-	 */
-	public virtual string? get_take_value_function () {
-		return null;
-	}
-
-	/**
-	 * Returns the C name of this data type in upper case. Words are
-	 * separated by underscores. The upper case C name of the namespace is
-	 * prefix of the result.
-	 *
-	 * @param infix a string to be placed between namespace and data type
-	 *              name or null
-	 * @return      the upper case name to be used in C code
-	 */
-	public virtual string? get_upper_case_cname (string? infix = null) {
-		return null;
-	}
-
-	/**
-	 * Returns the default value for the given type. Returning null means
-	 * there is no default value (i.e. not that the default name is NULL).
-	 *
-	 * @return the name of the default value
-	 */
-	public virtual string? get_default_value () {
-		return null;
-	}
 
 	/**
 	 * Checks whether this data type is equal to or a subtype of the
diff --git a/vala/valavaluetype.vala b/vala/valavaluetype.vala
index baec19e..d78af99 100644
--- a/vala/valavaluetype.vala
+++ b/vala/valavaluetype.vala
@@ -36,14 +36,6 @@ public abstract class Vala.ValueType : DataType {
 		data_type = type_symbol;
 	}
 
-	public override string? get_cname () {
-		string ptr = "";
-		if (nullable) {
-			ptr = "*";
-		}
-		return type_symbol.get_cname () + ptr;
-	}
-
 	public override bool is_disposable () {
 		if (!value_owned) {
 			return false;
diff --git a/vala/valavariable.vala b/vala/valavariable.vala
index 56cb1ae..9337751 100644
--- a/vala/valavariable.vala
+++ b/vala/valavariable.vala
@@ -49,123 +49,12 @@ public class Vala.Variable : Symbol {
 		}
 	}
 
-	/**
-	 * Specifies whether an array length field should implicitly be created
-	 * if the field type is an array.
-	 */
-	public bool no_array_length { get; set; }
-
-	/**
-	 * Specifies whether a delegate target field should implicitly be created
-	 * if the field type is a delegate.
-	 */
-	public bool no_delegate_target { get; set; }
-
-	/**
-	 * Specifies whether the array is null terminated.
-	 */
-	public bool array_null_terminated { get; set; }
-
-	/**
-	 * Specifies whether the array length field uses a custom name in C.
-	 */
-	public bool has_array_length_cname {
-		get { return (array_length_cname != null); }
-	}
-
-	/**
-	 * Specifies whether the array uses a custom C expression as length.
-	 */
-	public bool has_array_length_cexpr {
-		get { return (array_length_cexpr != null); }
-	}
-
-	/**
-	 * Specifies a custom type for the array length.
-	 */
-	public string? array_length_type { get; set; default = null; }
-
 	Expression? _initializer;
 	DataType? _variable_type;
 
-	private string? array_length_cname;
-
-	private string? array_length_cexpr;
-
 	public Variable (DataType? variable_type, string? name, Expression? initializer = null, SourceReference? source_reference = null, Comment? comment = null) {
 		base (name, source_reference, comment);
 		this.variable_type = variable_type;
 		this.initializer = initializer;
 	}
-
-	/**
-	 * Returns the name of the array length variable as it is used in C code
-	 *
-	 * @return the name of the array length variable to be used in C code
-	 */
-	public string? get_array_length_cname () {
-		return this.array_length_cname;
-	}
-
-	/**
-	 * Sets the name of the array length variable as it is used in C code
-	 *
-	 * @param array_length_cname the name of the array length variable to be
-	 * used in C code
-	 */
-	public void set_array_length_cname (string? array_length_cname) {
-		this.array_length_cname = array_length_cname;
-	}
-
-	/**
-	 * Returns the array length expression as it is used in C code
-	 *
-	 * @return the array length expression to be used in C code
-	 */
-	public string? get_array_length_cexpr () {
-		return this.array_length_cexpr;
-	}
-
-
-	/**
-	 * Sets the array length expression as it is used in C code
-	 *
-	 * @param array_length_cexpr the array length expression to be used in C
-	 * code
-	 */
-	public void set_array_length_cexpr (string? array_length_cexpr) {
-		this.array_length_cexpr = array_length_cexpr;
-	}
-
-	void process_ccode_attribute (Attribute a) {
-		if (a.has_argument ("array_length")) {
-			no_array_length = !a.get_bool ("array_length");
-		}
-		if (a.has_argument ("array_null_terminated")) {
-			array_null_terminated = a.get_bool ("array_null_terminated");
-		}
-		if (a.has_argument ("array_length_cname")) {
-			set_array_length_cname (a.get_string ("array_length_cname"));
-		}
-		if (a.has_argument ("array_length_cexpr")) {
-			set_array_length_cexpr (a.get_string ("array_length_cexpr"));
-		}
-		if (a.has_argument ("array_length_type")) {
-			array_length_type = a.get_string ("array_length_type");
-		}
-		if (a.has_argument ("delegate_target")) {
-			no_delegate_target = !a.get_bool ("delegate_target");
-		}
-	}
-
-	/**
-	 * Process all associated attributes.
-	 */
-	public virtual void process_attributes () {
-		foreach (Attribute a in attributes) {
-			if (a.name == "CCode") {
-				process_ccode_attribute (a);
-			}
-		}
-	}
 }
diff --git a/vala/valavoidtype.vala b/vala/valavoidtype.vala
index b328f55..9035c25 100644
--- a/vala/valavoidtype.vala
+++ b/vala/valavoidtype.vala
@@ -38,15 +38,7 @@ public class Vala.VoidType : DataType {
 		return "void";
 	}
 
-	public override string? get_cname () {
-		return "void";
-	}
-
 	public override DataType copy () {
 		return new VoidType (source_reference);
 	}
-
-	public override string? get_type_id () {
-		return "G_TYPE_NONE";
-	}
 }



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