[vala/wip/transform: 27/44] Move gvariant helper methods down to CodeTransformer

[Luca Bruno <lucabru src gnome org>]

commit 08b096bdffff4447a0f200eacf6e11933cbba8fe
Author: Luca Bruno <lucabru src gnome org>
Date:   Tue Jan 3 13:14:31 2012 +0100

    Move gvariant helper methods down to CodeTransformer

 codegen/valagvarianttransformer.vala |   47 ---------------------------------
 vala/valacodetransformer.vala        |   48 ++++++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+), 47 deletions(-)
---
diff --git a/codegen/valagvarianttransformer.vala b/codegen/valagvarianttransformer.vala
index 7e5acb7..41720c2 100644
--- a/codegen/valagvarianttransformer.vala
+++ b/codegen/valagvarianttransformer.vala
@@ -45,9 +45,6 @@ public class Vala.GVariantTransformer : CodeTransformer {
 		{ "g", "signature", true }
 	};
 
-	CodeBuilder b;
-	HashMap<string, CodeNode> wrapper_cache = new HashMap<string, CodeNode> (str_hash, str_equal);
-
 	bool get_basic_type_info (string signature, out BasicTypeInfo basic_type) {
 		foreach (BasicTypeInfo info in basic_types) {
 			if (info.signature == signature) {
@@ -150,36 +147,6 @@ public class Vala.GVariantTransformer : CodeTransformer {
 		}
 	}
 
-	DataType copy_type (DataType type, bool value_owned) {
-		var ret = type.copy ();
-		ret.value_owned = value_owned;
-		return ret;
-	}
-
-	bool get_cached_wrapper (string key, out CodeNode node) {
-		node = wrapper_cache.get (key);
-		return node != null;
-	}
-
-	void add_cached_wrapper (string key, CodeNode node) {
-		wrapper_cache.set (key, node);
-	}
-
-	bool wrapper_method (DataType return_type, string cache_key, out Method m) {
-		CodeNode n;
-		if (get_cached_wrapper (cache_key, out n)) {
-			m = (Method) n;
-			return true;
-		}
-		var name = CodeNode.get_temp_name ().replace (".", "");
-		name = "_vala_func_"+name;
-		m = new Method (name, return_type, b.source_reference);
-		context.root.add_method (m);
-		m.access = SymbolAccessibility.PRIVATE;
-		add_cached_wrapper (cache_key, m);
-		return false;
-	}
-
 	Expression serialize_array (ArrayType array_type, Expression array_expr) {
 		Method m;
 		if (!wrapper_method (data_type ("GLib.Variant"), "gvariant_serialize_array "+array_type.to_string(), out m)) {
@@ -456,20 +423,6 @@ public class Vala.GVariantTransformer : CodeTransformer {
 		return result;
 	}
 
-	Symbol symbol_from_string (string symbol_string) {
-		Symbol sym = context.root;
-		foreach (unowned string s in symbol_string.split (".")) {
-			sym = sym.scope.lookup (s);
-		}
-		return sym;
-	}
-
-	DataType data_type (string s, bool value_owned = true) {
-		DataType type = context.analyzer.get_data_type_for_symbol ((TypeSymbol) symbol_from_string (s));
-		type.value_owned = value_owned;
-		return type;
-	}
-
 	public override void visit_cast_expression (CastExpression expr) {
 		base.visit_cast_expression (expr);
 
diff --git a/vala/valacodetransformer.vala b/vala/valacodetransformer.vala
index 38a793a..fcca37b 100644
--- a/vala/valacodetransformer.vala
+++ b/vala/valacodetransformer.vala
@@ -26,6 +26,9 @@
 public class Vala.CodeTransformer : CodeVisitor {
 	public CodeContext context;
 
+	public CodeBuilder b;
+	public HashMap<string, CodeNode> wrapper_cache = new HashMap<string, CodeNode> (str_hash, str_equal);
+
 	/**
 	 * Transform the code tree for the specified code context.
 	 *
@@ -44,6 +47,51 @@ public class Vala.CodeTransformer : CodeVisitor {
 		}
 	}
 
+	public static DataType copy_type (DataType type, bool value_owned) {
+		var ret = type.copy ();
+		ret.value_owned = value_owned;
+		return ret;
+	}
+
+	public bool get_cached_wrapper (string key, out CodeNode node) {
+		node = wrapper_cache.get (key);
+		return node != null;
+	}
+
+	public void add_cached_wrapper (string key, CodeNode node) {
+		wrapper_cache.set (key, node);
+	}
+
+	public bool wrapper_method (DataType return_type, string cache_key, out Method m) {
+		CodeNode n;
+		if (get_cached_wrapper (cache_key, out n)) {
+			m = (Method) n;
+			return true;
+		}
+		var name = CodeNode.get_temp_name ().replace (".", "");
+		name = "_vala_func_"+name;
+		m = new Method (name, return_type, b.source_reference);
+		context.root.add_method (m);
+		m.access = SymbolAccessibility.PRIVATE;
+		add_cached_wrapper (cache_key, m);
+		return false;
+	}
+
+	public Symbol symbol_from_string (string symbol_string) {
+		Symbol sym = context.root;
+		foreach (unowned string s in symbol_string.split (".")) {
+			sym = sym.scope.lookup (s);
+		}
+		return sym;
+	}
+
+	// only qualified types, will slightly simplify the work of SymbolResolver
+	public DataType data_type (string s, bool value_owned = true) {
+		DataType type = context.analyzer.get_data_type_for_symbol ((TypeSymbol) symbol_from_string (s));
+		type.value_owned = value_owned;
+		return type;
+	}
+
 	public void check (CodeNode node) {
 		node.accept (context.resolver);
 		if (!node.check (context)) {