Move contents of vala-pkg to trunk

2007-05-02  Jürg Billeter  <j@bitron.ch>

	* Move contents of vala-pkg to trunk

svn path=/trunk/; revision=300

1 files changed, 92 insertions, 0 deletions

diff --git a/vala/valablock.vala b/vala/valablock.vala
new file mode 100644
index 000000000..f25da4bdb
--- /dev/null
+++ b/vala/valablock.vala
@@ -0,0 +1,92 @@
+/* valablock.vala
+ *
+ * Copyright (C) 2006  Jürg Billeter
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
+ *
+ * Author:
+ * 	Jürg Billeter <j@bitron.ch>
+ */
+
+using GLib;
+
+/**
+ * Represents a source code block.
+ */
+public class Vala.Block : Statement {
+	/**
+	 * Specifies whether this block contains a jump statement. This
+	 * information can be used to remove unreachable block cleanup code.
+	 */
+	public bool contains_jump_statement { get; set; }
+
+	private List<Statement> statement_list;
+	private List<VariableDeclarator> local_variables;
+	
+	/**
+	 * Creates a new block.
+	 *
+	 * @param source reference to source code
+	 */
+	public Block (SourceReference source = null) {
+		source_reference = source;
+	}
+	
+	/**
+	 * Append a statement to this block.
+	 *
+	 * @param stmt a statement
+	 */
+	public void add_statement (Statement! stmt) {
+		statement_list.append (stmt);
+	}
+	
+	/**
+	 * Returns a copy of the list of statements.
+	 *
+	 * @return statement list
+	 */
+	public ref List<weak Statement> get_statements () {
+		return statement_list.copy ();
+	}
+	
+	/**
+	 * Add a local variable to this block.
+	 *
+	 * @param decl a variable declarator
+	 */
+	public void add_local_variable (VariableDeclarator! decl) {
+		local_variables.append (decl);
+	}
+	
+	/**
+	 * Returns a copy of the list of local variables.
+	 *
+	 * @return variable declarator list
+	 */
+	public ref List<weak VariableDeclarator> get_local_variables () {
+		return local_variables.copy ();
+	}
+	
+	public override void accept (CodeVisitor! visitor) {
+		visitor.visit_begin_block (this);
+
+		foreach (Statement! stmt in statement_list) {
+			stmt.accept (visitor);
+		}
+
+		visitor.visit_end_block (this);
+	}
+}