/
Rule.h
61 lines (55 loc) · 1.74 KB
/
Rule.h
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
/*
**
** Rule.h
** Copyright by Jan Poeschko
**
*/
#pragma once
#include "PredefinedFunc.h"
#include "BinaryOperator.h"
class OpRule : public RightInfixOperator
{
public:
virtual string Name() { return "Rule"; }
virtual string OperatorSymbol() { return "->"; }
virtual OperatorPrecedence Precedence() { return 120; }
virtual AttributeSet Attributes()
{
return AttributeSet(atProtected, atSequenceHold);
}
virtual void Apply(Expression *expression, Calculator *calculator, int32 recursions);
};
class OpRuleDelayed : public RightInfixOperator
{
public:
virtual string Name() { return "RuleDelayed"; }
virtual string OperatorSymbol() { return ":>"; }
virtual OperatorPrecedence Precedence() { return 120; }
virtual AttributeSet Attributes()
{
return AttributeSet(atHoldRest, atProtected, atSequenceHold);
}
virtual void Apply(Expression *expression, Calculator *calculator, int32 recursions);
};
class OpReplace : public PredefinedFunc
{
public:
virtual string Name() { return "Replace"; }
virtual void Apply(Expression *expression, Calculator *calculator, int32 recursions);
};
class OpReplaceAll : public LeftInfixOperator
{
public:
virtual string Name() { return "ReplaceAll"; }
virtual string OperatorSymbol() { return "/."; }
virtual OperatorPrecedence Precedence() { return 110; }
virtual void Apply(Expression *expression, Calculator *calculator, int32 recursions);
};
class OpReplaceRepeated : public RightInfixOperator
{
public:
virtual string Name() { return "ReplaceRepeated"; }
virtual string OperatorSymbol() { return "//."; }
virtual OperatorPrecedence Precedence() { return 110; }
virtual void Apply(Expression *expression, Calculator *calculator, int32 recursions);
};