5 // Jb Evain (jbevain@gmail.com)
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 using System.Collections;
31 using System.Diagnostics;
33 using Mono.Linker.Steps;
35 namespace Mono.Linker {
37 public class Pipeline {
43 _steps = new ArrayList();
46 public void PrependStep (IStep step)
48 _steps.Insert (0, step);
51 public void AppendStep (IStep step)
56 public void AddStepBefore (Type target, IStep step)
58 for (int i = 0; i < _steps.Count; i++) {
59 if (target.IsInstanceOfType (_steps [i])) {
60 _steps.Insert (i, step);
64 string msg = String.Format ("Step {0} could not be inserted before (not found) {1}", step, target);
65 throw new InvalidOperationException (msg);
68 public void ReplaceStep (Type target, IStep step)
70 AddStepBefore (target, step);
74 public void AddStepAfter (Type target, IStep step)
76 for (int i = 0; i < _steps.Count; i++) {
77 if (target.IsInstanceOfType (_steps [i])) {
78 if (i == _steps.Count - 1)
81 _steps.Insert (i + 1, step);
85 string msg = String.Format ("Step {0} could not be inserted after (not found) {1}", step, target);
86 throw new InvalidOperationException (msg);
89 public void AddStepAfter (IStep target, IStep step)
91 for (int i = 0; i < _steps.Count; i++) {
92 if (_steps [i] == target) {
93 if (i == _steps.Count - 1)
96 _steps.Insert (i + 1, step);
102 public void RemoveStep (Type target)
104 for (int i = 0; i < _steps.Count; i++) {
105 if (_steps [i].GetType () != target)
113 public void Process (LinkContext context)
115 while (_steps.Count > 0) {
116 IStep step = (IStep) _steps [0];
117 context.Annotations.Push (step);
118 step.Process (context);
119 context.Annotations.Pop ();
120 _steps.Remove (step);
124 public IStep [] GetSteps ()
126 return (IStep []) _steps.ToArray (typeof (IStep));
129 public bool ContainsStep (Type type)
131 foreach (IStep step in _steps)
132 if (step.GetType () == type)