[vala/wip/transform: 44/45] Use builder for the while statements

[Luca Bruno <lucabru src gnome org>]

commit 1775564cb599ade934e6ee170f35d3e3609560f0
Author: Luca Bruno <lucabru src gnome org>
Date:   Thu Jan 5 20:41:10 2012 +0100

    Use builder for the while statements

 codegen/valaccodetransformer.vala       |   32 ++++++++++++++----------------
 codegen/valagdbusclienttransformer.vala |    1 -
 codegen/valagvariantmodule.vala         |   21 --------------------
 vala/valacodebuilder.vala               |   10 +++++++++
 4 files changed, 25 insertions(+), 39 deletions(-)
---
diff --git a/codegen/valaccodetransformer.vala b/codegen/valaccodetransformer.vala
index 56373ea..195e954 100644
--- a/codegen/valaccodetransformer.vala
+++ b/codegen/valaccodetransformer.vala
@@ -156,28 +156,26 @@ public class Vala.CCodeTransformer : CodeTransformer {
 
 	public override void visit_while_statement (WhileStatement stmt) {
 		// convert to simple loop
+		push_builder (new CodeBuilder (context, stmt, stmt.source_reference));
 
-		if (always_true (stmt.condition)) {
-			// do not generate if block if condition is always true
-		} else if (always_false (stmt.condition)) {
-			// do not generate if block if condition is always false
-			stmt.body.insert_statement (0, new BreakStatement (stmt.condition.source_reference));
-		} else {
-			var if_condition = new UnaryExpression (UnaryOperator.LOGICAL_NEGATION, stmt.condition, stmt.condition.source_reference);
-			var true_block = new Block (stmt.condition.source_reference);
-			true_block.add_statement (new BreakStatement (stmt.condition.source_reference));
-			var if_stmt = new IfStatement (if_condition, true_block, null, stmt.condition.source_reference);
-			stmt.body.insert_statement (0, if_stmt);
+		if (!always_false (stmt.condition)) {
+			b.open_loop ();
+			if (!always_true (stmt.condition)) {
+				b.open_if (new UnaryExpression (UnaryOperator.LOGICAL_NEGATION, stmt.condition, stmt.condition.source_reference));
+				b.add_break ();
+				b.close ();
+				b.add_statement (stmt.body);
+			}
+			b.close ();
 		}
 
-		var loop = new Loop (stmt.body, stmt.source_reference);
-
-		var parent_block = (Block) stmt.parent_node;
+		var parent_block = context.analyzer.get_current_block (stmt);
 		context.analyzer.replaced_nodes.add (stmt);
-		parent_block.replace_statement (stmt, loop);
+		parent_block.replace_statement (stmt, new EmptyStatement (stmt.source_reference));
 
 		stmt.body.checked = false;
-		check (loop);
+		b.check (this);
+		pop_builder ();
 	}
 
 	public override void visit_do_statement (DoStatement stmt) {
diff --git a/codegen/valagdbusclienttransformer.vala b/codegen/valagdbusclienttransformer.vala
index f981e27..6f383a3 100644
--- a/codegen/valagdbusclienttransformer.vala
+++ b/codegen/valagdbusclienttransformer.vala
@@ -102,7 +102,6 @@ public class Vala.GDBusClientTransformer : GVariantTransformer {
 		string fd_list = null;
 		foreach (var param in m.get_parameters ()) {
 			if (param.direction == ParameterDirection.IN) {
-				string? type_name = null;
 				if (param.variable_type is ObjectType && param.variable_type.data_type.get_full_name () == "GLib.Cancellable") {
 					cancellable = param.name;
 				}
diff --git a/codegen/valagvariantmodule.vala b/codegen/valagvariantmodule.vala
index 1617be8..5cdd728 100644
--- a/codegen/valagvariantmodule.vala
+++ b/codegen/valagvariantmodule.vala
@@ -21,27 +21,6 @@
  */
 
 public class Vala.GVariantModule : GAsyncModule {
-	struct BasicTypeInfo {
-		public unowned string signature;
-		public unowned string type_name;
-		public bool is_string;
-	}
-
-	const BasicTypeInfo[] basic_types = {
-		{ "y", "byte", false },
-		{ "b", "boolean", false },
-		{ "n", "int16", false },
-		{ "q", "uint16", false },
-		{ "i", "int32", false },
-		{ "u", "uint32", false },
-		{ "x", "int64", false },
-		{ "t", "uint64", false },
-		{ "d", "double", false },
-		{ "s", "string", true },
-		{ "o", "object_path", true },
-		{ "g", "signature", true }
-	};
-
 	static bool is_string_marshalled_enum (TypeSymbol? symbol) {
 		if (symbol != null && symbol is Enum) {
 			return symbol.get_attribute_bool ("DBus", "use_string_marshalling");
diff --git a/vala/valacodebuilder.vala b/vala/valacodebuilder.vala
index 300c69f..1b8bcdf 100644
--- a/vala/valacodebuilder.vala
+++ b/vala/valacodebuilder.vala
@@ -97,6 +97,16 @@ public class Vala.CodeBuilder {
 		statement_stack.add (stmt);
 	}
 
+	public void open_loop () {
+		statement_stack.add (current_block);
+		var parent_block = current_block;
+
+		current_block = new Block (source_reference);
+
+		var stmt = new Loop (current_block, source_reference);
+		parent_block.add_statement (stmt);
+	}
+
 	public void open_while (Expression condition) {
 		statement_stack.add (current_block);
 		var parent_block = current_block;