blob: c16157a7fde12a97ec0c7ec2467a747ea7b725cd (
plain) (
blame)
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
|
#pragma once
#include "CommonTypes.h"
#include "Lexer.h"
class Expression : public IPLEnableShared<Expression>
{
public:
virtual ~Expression() {}
virtual void Print(std::ostream& os) {};
};
using ExpressionPtr = IPLSharedPtr<Expression>;
// binary:= expression operator expression
class BinaryExpression : public Expression
{
public:
virtual ~BinaryExpression() {}
BinaryExpression(IPLSharedPtr<Expression> exprLeft, IPLSharedPtr<Expression> exprRight, TokenType op);
virtual void Print(std::ostream& os);
private:
IPLString GetOperatorTypeAsString();
private:
IPLSharedPtr<Expression> m_Left;
IPLSharedPtr<Expression> m_Right;
TokenType m_Operator;
};
// binary:= expression operator |
// operator expression
class UnaryExpression : public Expression
{
public:
virtual ~UnaryExpression() {}
UnaryExpression(IPLSharedPtr<Expression> expr, TokenType op, bool suffix);
virtual void Print(std::ostream& os);
private:
IPLString GetOperatorTypeAsString();
private:
IPLSharedPtr<Expression> m_Expr;
TokenType m_Operator;
bool m_Suffix;
};
// literal:= number | string | true | false | null | undefined
class LiteralExpression : public Expression
{
public:
enum LiteralType
{
Number,
String,
Boolean,
Null,
Undefined,
};
virtual ~LiteralExpression() {}
LiteralExpression(double);
LiteralExpression(IPLString&);
LiteralExpression(bool);
LiteralExpression(LiteralType type);
virtual void Print(std::ostream& os);
private:
double m_NumValue;
IPLString m_StringValue;
bool m_BooleanValue;
LiteralType m_Type;
};
|
