Mercurial > projects > dil

annotate trunk/src/dil/Symbols.d @ 562:b0533550d64c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added semantic() to VariableDeclaration. Renamed member type to typeNode in VariableDeclaration. Added insert() and error() to class Scope. Made class SymbolTable a struct. Added insert() and lookup() to ScopeSymbol. Added insert() to Aggregate. Added semantic() to TypeNode.
author Aziz K?ksal <aziz.koeksal@gmail.com>
date Fri, 28 Dec 2007 17:48:47 +0100
parents 302e50e71ec2
children 184a8d8bad2e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
517
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
1 /++
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
2 Author: Aziz Köksal
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
3 License: GPL3
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
4 +/
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
5 module dil.Symbols;
560
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
6
517
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
7 import dil.Symbol;
560
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
8 import dil.SymbolTable;
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
9 import dil.SyntaxTree;
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
10 import dil.Enums;
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
11 import dil.TypeSystem;
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
12 import dil.Identifier;
517
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
13 import common;
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
14
560
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
15 /// A symbol that has its own scope with a symbol table.
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
16 class ScopeSymbol : Symbol
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
17 {
562
b0533550d64c Added semantic() to VariableDeclaration.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 561
diff changeset
18 protected SymbolTable symbolTable; /// The symbol table.
560
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
19
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
20 this()
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
21 {
562
b0533550d64c Added semantic() to VariableDeclaration.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 561
diff changeset
22 }
b0533550d64c Added semantic() to VariableDeclaration.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 561
diff changeset
23
b0533550d64c Added semantic() to VariableDeclaration.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 561
diff changeset
24 /// Look up ident in the table.
b0533550d64c Added semantic() to VariableDeclaration.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 561
diff changeset
25 Symbol lookup(Identifier* ident)
b0533550d64c Added semantic() to VariableDeclaration.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 561
diff changeset
26 {
b0533550d64c Added semantic() to VariableDeclaration.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 561
diff changeset
27 return symbolTable.lookup(ident);
b0533550d64c Added semantic() to VariableDeclaration.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 561
diff changeset
28 }
b0533550d64c Added semantic() to VariableDeclaration.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 561
diff changeset
29
b0533550d64c Added semantic() to VariableDeclaration.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 561
diff changeset
30 /// Insert a symbol into the table.
b0533550d64c Added semantic() to VariableDeclaration.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 561
diff changeset
31 void insert(Symbol s, Identifier* ident)
b0533550d64c Added semantic() to VariableDeclaration.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 561
diff changeset
32 {
b0533550d64c Added semantic() to VariableDeclaration.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 561
diff changeset
33 symbolTable.insert(s, ident);
560
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
34 }
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
35 }
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
36
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
37 /// Aggregates have function and field members.
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
38 class Aggregate : ScopeSymbol
517
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
39 {
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
40 Function[] funcs;
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
41 Variable[] fields;
562
b0533550d64c Added semantic() to VariableDeclaration.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 561
diff changeset
42
b0533550d64c Added semantic() to VariableDeclaration.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 561
diff changeset
43 override void insert(Symbol s, Identifier* ident)
b0533550d64c Added semantic() to VariableDeclaration.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 561
diff changeset
44 {
b0533550d64c Added semantic() to VariableDeclaration.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 561
diff changeset
45 if (s.sid == SYM.Variable)
b0533550d64c Added semantic() to VariableDeclaration.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 561
diff changeset
46 // Append variable to fields.
b0533550d64c Added semantic() to VariableDeclaration.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 561
diff changeset
47 fields ~= cast(Variable)cast(void*)s;
b0533550d64c Added semantic() to VariableDeclaration.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 561
diff changeset
48 else if (s.sid == SYM.Function)
b0533550d64c Added semantic() to VariableDeclaration.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 561
diff changeset
49 // Append function to funcs.
b0533550d64c Added semantic() to VariableDeclaration.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 561
diff changeset
50 funcs ~= cast(Function)cast(void*)s;
b0533550d64c Added semantic() to VariableDeclaration.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 561
diff changeset
51 super.insert(s, ident);
b0533550d64c Added semantic() to VariableDeclaration.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 561
diff changeset
52 }
517
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
53 }
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
54
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
55 class Class : Aggregate
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
56 {
560
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
57 this()
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
58 {
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
59 this.sid = SYM.Class;
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
60 }
517
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
61 }
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
62
561
302e50e71ec2 Added Interface symbol.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 560
diff changeset
63 class Interface : Aggregate
302e50e71ec2 Added Interface symbol.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 560
diff changeset
64 {
302e50e71ec2 Added Interface symbol.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 560
diff changeset
65 this()
302e50e71ec2 Added Interface symbol.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 560
diff changeset
66 {
302e50e71ec2 Added Interface symbol.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 560
diff changeset
67 this.sid = SYM.Interface;
302e50e71ec2 Added Interface symbol.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 560
diff changeset
68 }
302e50e71ec2 Added Interface symbol.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 560
diff changeset
69 }
302e50e71ec2 Added Interface symbol.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 560
diff changeset
70
517
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
71 class Union : Aggregate
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
72 {
560
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
73 this()
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
74 {
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
75 this.sid = SYM.Union;
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
76 }
517
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
77 }
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
78
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
79 class Struct : Aggregate
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
80 {
560
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
81 this()
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
82 {
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
83 this.sid = SYM.Struct;
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
84 }
517
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
85 }
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
86
560
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
87 class Function : ScopeSymbol
517
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
88 {
560
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
89 StorageClass stc;
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
90 LinkageType linkType;
517
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
91
560
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
92 Type returnType;
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
93 Identifier* ident;
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
94 Variable[] params;
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
95
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
96 this()
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
97 {
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
98 this.sid = SYM.Function;
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
99 }
517
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
100 }
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
101
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
102 class Variable : Symbol
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
103 {
560
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
104 StorageClass stc;
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
105 LinkageType linkType;
517
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
106
560
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
107 Type type;
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
108 Identifier* ident;
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
109 Node varDecl; /// The VariableDeclaration or Parameter node - for source code location.
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
110
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
111 this(StorageClass stc, LinkageType linkType,
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
112 Type type, Identifier* ident, Node varDecl)
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
113 {
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
114 this.sid = SYM.Variable;
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
115
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
116 this.stc = stc;
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
117 this.linkType = linkType;
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
118 this.type = type;
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
119 this.ident = ident;
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
120 this.varDecl = varDecl;
709e223a8eb9 Added code related to symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 517
diff changeset
121 }
517
b465c669d70c Added module dil.Symbols.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
diff changeset
122 }