1 |
16 |
HanySalah |
//
|
2 |
|
|
//----------------------------------------------------------------------
|
3 |
|
|
// Copyright 2007-2011 Mentor Graphics Corporation
|
4 |
|
|
// Copyright 2007-2010 Cadence Design Systems, Inc.
|
5 |
|
|
// Copyright 2010 Synopsys, Inc.
|
6 |
|
|
// All Rights Reserved Worldwide
|
7 |
|
|
//
|
8 |
|
|
// Licensed under the Apache License, Version 2.0 (the
|
9 |
|
|
// "License"); you may not use this file except in
|
10 |
|
|
// compliance with the License. You may obtain a copy of
|
11 |
|
|
// the License at
|
12 |
|
|
//
|
13 |
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
14 |
|
|
//
|
15 |
|
|
// Unless required by applicable law or agreed to in
|
16 |
|
|
// writing, software distributed under the License is
|
17 |
|
|
// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
|
18 |
|
|
// CONDITIONS OF ANY KIND, either express or implied. See
|
19 |
|
|
// the License for the specific language governing
|
20 |
|
|
// permissions and limitations under the License.
|
21 |
|
|
//----------------------------------------------------------------------
|
22 |
|
|
|
23 |
|
|
|
24 |
|
|
// Title: Policy Classes
|
25 |
|
|
//
|
26 |
|
|
// Policy classes are used to implement polymorphic operations that
|
27 |
|
|
// differ between built-in types and class-based types. Generic
|
28 |
|
|
// components can then be built that work with either classes or
|
29 |
|
|
// built-in types, depending on what policy class is used.
|
30 |
|
|
|
31 |
|
|
|
32 |
|
|
//----------------------------------------------------------------------
|
33 |
|
|
// CLASS: uvm_built_in_comp #(T)
|
34 |
|
|
//
|
35 |
|
|
// This policy class is used to compare built-in types.
|
36 |
|
|
//
|
37 |
|
|
// Provides a comp method that compares the built-in type,
|
38 |
|
|
// T, for which the == operator is defined.
|
39 |
|
|
//----------------------------------------------------------------------
|
40 |
|
|
|
41 |
|
|
class uvm_built_in_comp #(type T=int);
|
42 |
|
|
|
43 |
|
|
static function bit comp(T a, T b);
|
44 |
|
|
return a == b;
|
45 |
|
|
endfunction
|
46 |
|
|
|
47 |
|
|
endclass
|
48 |
|
|
|
49 |
|
|
|
50 |
|
|
//----------------------------------------------------------------------
|
51 |
|
|
// CLASS: uvm_built_in_converter #(T)
|
52 |
|
|
//
|
53 |
|
|
// This policy class is used to convert built-in types to strings.
|
54 |
|
|
//
|
55 |
|
|
// Provides a convert2string method that converts the built-in type, T,
|
56 |
|
|
// to a string using the %p format specifier.
|
57 |
|
|
//----------------------------------------------------------------------
|
58 |
|
|
|
59 |
|
|
class uvm_built_in_converter #(type T=int);
|
60 |
|
|
static function string convert2string(input T t);
|
61 |
|
|
return $sformatf("%p" , t );
|
62 |
|
|
endfunction
|
63 |
|
|
endclass
|
64 |
|
|
|
65 |
|
|
|
66 |
|
|
//----------------------------------------------------------------------
|
67 |
|
|
// CLASS: uvm_built_in_clone #(T)
|
68 |
|
|
//
|
69 |
|
|
// This policy class is used to clone built-in types via the = operator.
|
70 |
|
|
//
|
71 |
|
|
// Provides a clone method that returns a copy of the built-in type, T.
|
72 |
|
|
//----------------------------------------------------------------------
|
73 |
|
|
|
74 |
|
|
class uvm_built_in_clone #(type T=int);
|
75 |
|
|
|
76 |
|
|
static function T clone(input T from);
|
77 |
|
|
return from;
|
78 |
|
|
endfunction
|
79 |
|
|
|
80 |
|
|
endclass
|
81 |
|
|
|
82 |
|
|
|
83 |
|
|
//----------------------------------------------------------------------
|
84 |
|
|
// CLASS: uvm_class_comp #(T)
|
85 |
|
|
//
|
86 |
|
|
// This policy class is used to compare two objects of the same type.
|
87 |
|
|
//
|
88 |
|
|
// Provides a comp method that compares two objects of type T. The
|
89 |
|
|
// class T must provide the method "function bit compare(T rhs)",
|
90 |
|
|
// similar to the method.
|
91 |
|
|
//----------------------------------------------------------------------
|
92 |
|
|
|
93 |
|
|
class uvm_class_comp #(type T=int);
|
94 |
|
|
|
95 |
|
|
static function bit comp(input T a, input T b);
|
96 |
|
|
return a.compare(b);
|
97 |
|
|
endfunction
|
98 |
|
|
|
99 |
|
|
endclass
|
100 |
|
|
|
101 |
|
|
|
102 |
|
|
//----------------------------------------------------------------------
|
103 |
|
|
// CLASS: uvm_class_converter #(T)
|
104 |
|
|
//
|
105 |
|
|
// This policy class is used to convert a class object to a string.
|
106 |
|
|
//
|
107 |
|
|
// Provides a convert2string method that converts an instance of type T
|
108 |
|
|
// to a string. The class T must provide the method
|
109 |
|
|
// "function string convert2string()",
|
110 |
|
|
// similar to the method.
|
111 |
|
|
//----------------------------------------------------------------------
|
112 |
|
|
|
113 |
|
|
class uvm_class_converter #(type T=int);
|
114 |
|
|
|
115 |
|
|
static function string convert2string(input T t);
|
116 |
|
|
return t.convert2string();
|
117 |
|
|
endfunction
|
118 |
|
|
|
119 |
|
|
endclass
|
120 |
|
|
|
121 |
|
|
|
122 |
|
|
//----------------------------------------------------------------------
|
123 |
|
|
// CLASS: uvm_class_clone #(T)
|
124 |
|
|
//
|
125 |
|
|
// This policy class is used to clone class objects.
|
126 |
|
|
//
|
127 |
|
|
// Provides a clone method that returns a copy of the built-in type, T.
|
128 |
|
|
// The class T must implement the clone method, to which this class
|
129 |
|
|
// delegates the operation. If T is derived from , then
|
130 |
|
|
// T must instead implement , either directly or
|
131 |
|
|
// indirectly through use of the `uvm_field macros.
|
132 |
|
|
//----------------------------------------------------------------------
|
133 |
|
|
|
134 |
|
|
class uvm_class_clone #(type T=int);
|
135 |
|
|
|
136 |
|
|
static function uvm_object clone(input T from);
|
137 |
|
|
return from.clone();
|
138 |
|
|
endfunction
|
139 |
|
|
|
140 |
|
|
endclass
|
141 |
|
|
|