5 // Alexander Chebaturkin (chebaturkin@gmail.com)
7 // Copyright (C) 2011 Alexander Chebaturkin
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.
28 using Mono
.CodeContracts
.Static
.AST
;
29 using Mono
.CodeContracts
.Static
.Providers
;
31 namespace Mono
.CodeContracts
.Static
.Analysis
.HeapAnalysis
{
33 private readonly string full_name
;
34 private TypeNode cache
;
35 private bool cache_is_valid
;
36 private bool have_type
;
38 public TypeCache (string fullName
)
40 this.cache_is_valid
= false;
41 this.have_type
= false;
42 this.cache
= default(TypeNode
);
43 this.full_name
= fullName
;
46 public bool TryGet (IMetaDataProvider mdProvider
, out TypeNode type
)
48 if (!this.cache_is_valid
) {
49 this.cache_is_valid
= true;
50 this.have_type
= mdProvider
.TryGetSystemType (this.full_name
, out this.cache
);
54 return this.have_type
;