Welcome to mirror list, hosted at ThFree Co, Russian Federation.

GenericParameters.cs « codegen « ilasm « mcs - github.com/mono/mono.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
blob: 9dcb449a448f2b7337a7087d3ffd8a9fc7ae6a7e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
//
// Mono.ILASM.GenericParameters
//
// Author(s):
//  Ankit Jain  <jankit@novell.com>
//
// Copyright 2006 Novell, Inc (http://www.novell.com)
//

using System;
using System.Collections;
using System.Text;

namespace Mono.ILASM {

	public class GenericParameter : ICustomAttrTarget {
		string id;
		int num;
                PEAPI.GenericParamAttributes attr;
		ArrayList constraintsList;
		ArrayList customattrList;
		
		public GenericParameter (string id) 
			: this (id, 0, null)
		{
		}

		public GenericParameter (string id, PEAPI.GenericParamAttributes attr, ArrayList constraints)
		{
			this.id = id;
			this.attr = attr;
			num = -1;
			constraintsList = null;
			customattrList = null;
				
			if (constraints != null)
				foreach (BaseTypeRef typeref in constraints)
					AddConstraint (typeref);
		}

		public string Id {
			get { return id; }
		}

		public int Num {
			get { return num; }
			set { num = value; }
		}

		public void AddConstraint (BaseTypeRef constraint)
		{
			if (constraint == null)
				throw new InternalErrorException ();

			if (constraintsList == null)
				constraintsList = new ArrayList ();

			constraintsList.Add (constraint);
		}

		public override string ToString ()
		{
			return Id;
		}

		public void AddCustomAttribute (CustomAttr customattr)
		{
			if (customattrList == null)
				customattrList = new ArrayList ();

			customattrList.Add (customattr);
		}

		public void Resolve (CodeGen code_gen, PEAPI.MethodDef methoddef)
		{
			PEAPI.GenericParameter gp = methoddef.AddGenericParameter ((short) num, id, attr);
			Resolve (code_gen, gp);
		}

		public void Resolve (CodeGen code_gen, PEAPI.ClassDef classdef)
		{
			PEAPI.GenericParameter gp = classdef.AddGenericParameter ((short) num, id, attr);
			Resolve (code_gen, gp);
		}

		private void Resolve (CodeGen code_gen, PEAPI.GenericParameter gp)
		{
			ResolveConstraints (code_gen, gp);
			if (customattrList == null)
				return;

			foreach (CustomAttr customattr in customattrList)
				customattr.AddTo (code_gen, gp);
		}

		public void ResolveConstraints (GenericParameters type_gen_params, GenericParameters method_gen_params)
		{
			if (constraintsList == null)
				return;
				
			foreach (BaseTypeRef constraint in constraintsList) {
				BaseGenericTypeRef gtr = constraint as BaseGenericTypeRef;
				if (gtr != null)
					gtr.Resolve (type_gen_params, method_gen_params);
			}
		}

		private void ResolveConstraints (CodeGen code_gen, PEAPI.GenericParameter gp)
		{
			if (constraintsList == null)
				return;

			foreach (BaseTypeRef constraint in constraintsList) {
				constraint.Resolve (code_gen);
				gp.AddConstraint (constraint.PeapiType);
			}
		}

	}

	public class GenericParameters {
		ArrayList param_list;
		string param_str;

		public GenericParameters ()
		{
			param_list = null;
			param_str = null;
		}

		public int Count {
			get { return (param_list == null ? 0 : param_list.Count); }
		}

		public GenericParameter this [int index] {
			get { return (param_list != null ? (GenericParameter) param_list [index] : null); }
			set { Add (value); }
		}

		public void Add (GenericParameter gen_param)
		{
			if (gen_param == null)
				throw new InternalErrorException ();

			if (param_list == null)
				param_list = new ArrayList ();
			gen_param.Num = param_list.Count;
			param_list.Add (gen_param);
			param_str = null;
		}
		
		public GenericParameter GetGenericParam (string id)
		{
			if (param_list == null)
				Report.Error ("Invalid type parameter '" + id + "'");

			foreach (GenericParameter param in param_list)
				if (param.Id == id)
					return param;
			return null;
		}
	
		public int GetGenericParamNum (string id)
		{
			GenericParameter param = GetGenericParam (id);
			if (param != null)
				return param.Num;

			return -1;
		}

		public void Resolve (CodeGen code_gen, PEAPI.ClassDef classdef)
		{
			foreach (GenericParameter param in param_list)
				param.Resolve (code_gen, classdef);
		}
		
		public void Resolve (CodeGen code_gen, PEAPI.MethodDef methoddef)
		{
			foreach (GenericParameter param in param_list)
				param.Resolve (code_gen, methoddef);
		}

		public void ResolveConstraints (GenericParameters type_gen_params, GenericParameters method_gen_params)
		{
			foreach (GenericParameter param in param_list)
				param.ResolveConstraints (type_gen_params, method_gen_params);
			param_str = null;
		}

		private void MakeString ()
		{
			//Build full_name (foo < , >)
			StringBuilder sb = new StringBuilder ();
			sb.Append ("<");
			foreach (GenericParameter param in param_list)
				sb.AppendFormat ("{0}, ", param);
			//Remove the extra ', ' at the end
			sb.Length -= 2;
			sb.Append (">");
			param_str = sb.ToString ();
		}

		public override string ToString ()
		{
			if (param_str == null)
				MakeString ();
			return param_str;
		}
	}

}