/Dependencies/boo/src/Boo.Lang.Compiler/Steps/AstAnnotations.cs
C# | 88 lines | 51 code | 12 blank | 25 comment | 0 complexity | 8e7e3e1c9d2df3e6b6e00ba771a8669c MD5 | raw file
Possible License(s): GPL-2.0
- #region license
- // Copyright (c) 2004, Rodrigo B. de Oliveira (rbo@acm.org)
- // All rights reserved.
- //
- // Redistribution and use in source and binary forms, with or without modification,
- // are permitted provided that the following conditions are met:
- //
- // * Redistributions of source code must retain the above copyright notice,
- // this list of conditions and the following disclaimer.
- // * Redistributions in binary form must reproduce the above copyright notice,
- // this list of conditions and the following disclaimer in the documentation
- // and/or other materials provided with the distribution.
- // * Neither the name of Rodrigo B. de Oliveira nor the names of its
- // contributors may be used to endorse or promote products derived from this
- // software without specific prior written permission.
- //
- // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- // THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- #endregion
- using Boo.Lang.Compiler.Ast;
- namespace Boo.Lang.Compiler.Steps
- {
- public class AstAnnotations
- {
- private static object TryBlockDepthKey = new object();
- public const string RawArrayIndexing = "rawarrayindexing";
- public const string Checked = "checked";
-
- public static void MarkChecked(Node node)
- {
- node[AstAnnotations.Checked] = true;
- }
- public static void MarkUnchecked(Node node)
- {
- node[AstAnnotations.Checked] = false;
- }
-
- public static bool IsChecked(Node node)
- {
- return IsChecked(node, true);
- }
-
- public static bool IsChecked(Node node, bool defaultValue)
- {
- return GetBoolAnnotationValue(node, AstAnnotations.Checked, defaultValue);
- }
- public static bool IsRawIndexing(Node node)
- {
- return GetBoolAnnotationValue(node, AstAnnotations.RawArrayIndexing, false);
- }
- public static bool GetBoolAnnotationValue(Node node, string annotation, bool defaultValue)
- {
- object value = node[annotation];
- return value is bool
- ? (bool)value
- : defaultValue;
- }
- public static void MarkRawArrayIndexing(Node node)
- {
- node[AstAnnotations.RawArrayIndexing] = true;
- }
- public static void SetTryBlockDepth(Node node, int depth)
- {
- node[TryBlockDepthKey] = depth;
- }
- public static int GetTryBlockDepth(Node node)
- {
- return (int)node[TryBlockDepthKey];
- }
- }
- }