argon.ast source code

1 module argon.ast;
2 
3 import std.format;
4 
5 interface ASTVisitor
6 {
7 	void visit(ASTTemplateNode node);
8 	void visit(ASTHTMLNode node);
9 	void visit(ASTIncludeNode node);
10 	void visit(ASTElementNode node);
11 	void visit(ASTListNode node);
12 	void visit(ASTIdentifierNode node);
13 }
14 
15 class ASTTemplateNode : ASTNode
16 {
17 	string file;
18 	ASTNode[] children;
19 
20 	override void accept(ASTVisitor visitor)
21 	{
22 		visitor.visit(this);
23 	}
24 }
25 
26 class ASTHTMLNode : ASTNode
27 {
28 	string html;
29 
30 	override void accept(ASTVisitor visitor)
31 	{
32 		visitor.visit(this);
33 	}
34 }
35 
36 class ASTIncludeNode : ASTNode
37 {
38 	string file;
39 
40 	override void accept(ASTVisitor visitor)
41 	{
42 		visitor.visit(this);
43 	}
44 }
45 
46 class ASTElementNode : ASTNode
47 {
48 	ASTIdentifierNode identifier;
49 
50 	override void accept(ASTVisitor visitor)
51 	{
52 		visitor.visit(this);
53 	}
54 }
55 
56 class ASTListNode : ASTNode
57 {
58 	ASTIdentifierNode identifier;
59 	ASTNode[] children;
60 
61 	override void accept(ASTVisitor visitor)
62 	{
63 		visitor.visit(this);
64 	}
65 }
66 
67 class ASTIdentifierNode : ASTNode
68 {
69 	string namespace;
70 	string[] callChain;
71 
72 	override void accept(ASTVisitor visitor)
73 	{
74 		visitor.visit(this);
75 	}
76 }
77 
78 abstract class ASTNode
79 {
80 	ASTNode parent;
81 	SourceLocation sourceLocation;
82 
83 	abstract void accept(ASTVisitor visitor);
84 }
85 
86 
87 class SourceLocation
88 {
89 	size_t colunm, line;
90 	string file;
91 
92 	this(string file, size_t line, size_t colunm)
93 	{
94 		this.file = file;
95 		this.line = line;
96 		this.colunm = colunm;
97 	}
98 
99 	string getErrorMessage()
100 	{
101 		return format("at line %s, colunm %s, in file '%s'", line, colunm, file);
102 	}
103 }