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, 103 insertions, 0 deletions

diff --git a/vala/valaintegerliteral.vala b/vala/valaintegerliteral.vala
new file mode 100644
index 000000000..671381f11
--- /dev/null
+++ b/vala/valaintegerliteral.vala
@@ -0,0 +1,103 @@
+/* valaintegerliteral.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 an integer literal in the source code.
+ */
+public class Vala.IntegerLiteral : Literal {
+	/**
+	 * The literal value.
+	 */
+	public string! value { get; set; }
+
+	/**
+	 * Creates a new integer literal.
+	 *
+	 * @param i      literal value
+	 * @param source reference to source code
+	 * @return       newly created integer literal
+	 */
+	public IntegerLiteral (string! i, SourceReference source = null) {
+		value = i;
+		source_reference = source;
+	}
+	
+	public override void accept (CodeVisitor! visitor) {
+		visitor.visit_integer_literal (this);
+	}
+
+	public override ref string! to_string () {
+		return value;
+	}
+	
+	/**
+	 * Returns the type name of the value this literal represents.
+	 *
+	 * @return the name of literal type
+	 */
+	public string! get_type_name () {
+		string number = value;
+	
+		int l = 0;
+		while (number.has_suffix ("L")) {
+			l++;
+			number = number.ndup (number.size () - 1);
+		}
+
+		bool u = false;
+		if (number.has_suffix ("U")) {
+			u = true;
+			number = number.ndup (number.size () - 1);
+		}
+		
+		int64 n = number.to_int64 ();
+		if (!u && n > 0x7fffffff) {
+			// value doesn't fit into signed 32-bit
+			l = 2;
+		} else if (u && n > 0xffffffff) {
+			// value doesn't fit into unsigned 32-bit
+			l = 2;
+		}
+
+		if (l == 0) {
+			if (u) {
+				return "uint";
+			} else {
+				return "int";
+			}
+		} else if (l == 1) {
+			if (u) {
+				return "ulong";
+			} else {
+				return "long";
+			}
+		} else {
+			if (u) {
+				return "uint64";
+			} else {
+				return "int64";
+			}
+		}
+	}
+}