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comparison trunk/src/dil/ast/Node.d @ 769:5e3ef1b2011c

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Added and improved documentation.
author Aziz K?ksal <aziz.koeksal@gmail.com>
date Sun, 17 Feb 2008 02:21:55 +0100
parents 19a34b69cc7d
children 3b34f6a95a27
comparison
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768:d84349a60f5c 769:5e3ef1b2011c
7 import common; 7 import common;
8 8
9 public import dil.lexer.Token; 9 public import dil.lexer.Token;
10 public import dil.ast.NodesEnum; 10 public import dil.ast.NodesEnum;
11 11
12 /// This string is mixed into the constructor of a class that inherits from Node. 12 /// The root class of all nodes that can form a D syntax tree.
13 const string set_kind = `this.kind = mixin("NodeKind." ~ typeof(this).stringof);`; 13 abstract class Node
14 {
15 NodeCategory category; /// The category of this node.
16 NodeKind kind; /// The kind of this node.
17 Node[] children; // Will be probably removed sometime.
18 Token* begin, end; /// The begin and end tokens of this node.
14 19
15 class Node 20 /// Constructs a node object.
16 {
17 NodeCategory category;
18 NodeKind kind;
19 Node[] children; // Will be probably removed sometime.
20 Token* begin, end;
21
22 this(NodeCategory category) 21 this(NodeCategory category)
23 { 22 {
24 assert(category != NodeCategory.Undefined); 23 assert(category != NodeCategory.Undefined);
25 this.category = category; 24 this.category = category;
26 } 25 }
63 void addOptChildren(Node[] children) 62 void addOptChildren(Node[] children)
64 { 63 {
65 children is null || addChildren(children); 64 children is null || addChildren(children);
66 } 65 }
67 66
67 /// Returns a pointer to Class if this node can be cast to it.
68 Class Is(Class)() 68 Class Is(Class)()
69 { 69 {
70 if (kind == mixin("NodeKind." ~ typeof(Class).stringof)) 70 if (kind == mixin("NodeKind." ~ typeof(Class).stringof))
71 return cast(Class)cast(void*)this; 71 return cast(Class)cast(void*)this;
72 return null; 72 return null;
73 } 73 }
74 74
75 /// Casts this node to Class.
75 Class to(Class)() 76 Class to(Class)()
76 { 77 {
77 return cast(Class)cast(void*)this; 78 return cast(Class)cast(void*)this;
78 } 79 }
79 } 80 }
81
82 /// This string is mixed into the constructor of a class that inherits
83 /// from Node. It sets the member kind.
84 const string set_kind = `this.kind = mixin("NodeKind." ~ typeof(this).stringof);`;