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b4c522fa IB |
1 | |
2 | /* Compiler implementation of the D programming language | |
a3b38b77 | 3 | * Copyright (C) 1999-2021 by The D Language Foundation, All Rights Reserved |
b4c522fa IB |
4 | * written by Walter Bright |
5 | * http://www.digitalmars.com | |
6 | * Distributed under the Boost Software License, Version 1.0. | |
7 | * http://www.boost.org/LICENSE_1_0.txt | |
8 | * https://github.com/dlang/dmd/blob/master/src/dmd/init.h | |
9 | */ | |
10 | ||
11 | #pragma once | |
12 | ||
13 | #include "root/root.h" | |
98866120 | 14 | #include "ast_node.h" |
b4c522fa IB |
15 | #include "globals.h" |
16 | #include "arraytypes.h" | |
17 | #include "visitor.h" | |
18 | ||
19 | class Identifier; | |
20 | class Expression; | |
21 | struct Scope; | |
22 | class Type; | |
23 | class AggregateDeclaration; | |
a3b38b77 | 24 | class Initializer; |
b4c522fa IB |
25 | class ErrorInitializer; |
26 | class VoidInitializer; | |
27 | class StructInitializer; | |
28 | class ArrayInitializer; | |
29 | class ExpInitializer; | |
30 | ||
31 | enum NeedInterpret { INITnointerpret, INITinterpret }; | |
32 | ||
a3b38b77 IB |
33 | Initializer *initializerSemantic(Initializer *init, Scope *sc, Type *t, NeedInterpret needInterpret); |
34 | ||
98866120 | 35 | class Initializer : public ASTNode |
b4c522fa IB |
36 | { |
37 | public: | |
38 | Loc loc; | |
39 | ||
40 | Initializer(Loc loc); | |
41 | virtual Initializer *syntaxCopy() = 0; | |
42 | static Initializers *arraySyntaxCopy(Initializers *ai); | |
43 | ||
44 | const char *toChars(); | |
45 | ||
46 | virtual ErrorInitializer *isErrorInitializer() { return NULL; } | |
47 | virtual VoidInitializer *isVoidInitializer() { return NULL; } | |
48 | virtual StructInitializer *isStructInitializer() { return NULL; } | |
49 | virtual ArrayInitializer *isArrayInitializer() { return NULL; } | |
50 | virtual ExpInitializer *isExpInitializer() { return NULL; } | |
98866120 | 51 | void accept(Visitor *v) { v->visit(this); } |
b4c522fa IB |
52 | }; |
53 | ||
54 | class VoidInitializer : public Initializer | |
55 | { | |
56 | public: | |
57 | Type *type; // type that this will initialize to | |
58 | ||
59 | VoidInitializer(Loc loc); | |
60 | Initializer *syntaxCopy(); | |
61 | ||
62 | virtual VoidInitializer *isVoidInitializer() { return this; } | |
63 | void accept(Visitor *v) { v->visit(this); } | |
64 | }; | |
65 | ||
66 | class ErrorInitializer : public Initializer | |
67 | { | |
68 | public: | |
69 | ErrorInitializer(); | |
70 | Initializer *syntaxCopy(); | |
71 | ||
72 | virtual ErrorInitializer *isErrorInitializer() { return this; } | |
73 | void accept(Visitor *v) { v->visit(this); } | |
74 | }; | |
75 | ||
76 | class StructInitializer : public Initializer | |
77 | { | |
78 | public: | |
79 | Identifiers field; // of Identifier *'s | |
80 | Initializers value; // parallel array of Initializer *'s | |
81 | ||
82 | StructInitializer(Loc loc); | |
83 | Initializer *syntaxCopy(); | |
84 | void addInit(Identifier *field, Initializer *value); | |
85 | ||
86 | StructInitializer *isStructInitializer() { return this; } | |
87 | void accept(Visitor *v) { v->visit(this); } | |
88 | }; | |
89 | ||
90 | class ArrayInitializer : public Initializer | |
91 | { | |
92 | public: | |
93 | Expressions index; // indices | |
94 | Initializers value; // of Initializer *'s | |
95 | unsigned dim; // length of array being initialized | |
96 | Type *type; // type that array will be used to initialize | |
97 | bool sem; // true if semantic() is run | |
98 | ||
99 | ArrayInitializer(Loc loc); | |
100 | Initializer *syntaxCopy(); | |
101 | void addInit(Expression *index, Initializer *value); | |
102 | bool isAssociativeArray(); | |
103 | Expression *toAssocArrayLiteral(); | |
104 | ||
105 | ArrayInitializer *isArrayInitializer() { return this; } | |
106 | void accept(Visitor *v) { v->visit(this); } | |
107 | }; | |
108 | ||
109 | class ExpInitializer : public Initializer | |
110 | { | |
111 | public: | |
112 | Expression *exp; | |
113 | bool expandTuples; | |
114 | ||
115 | ExpInitializer(Loc loc, Expression *exp); | |
116 | Initializer *syntaxCopy(); | |
117 | ||
118 | ExpInitializer *isExpInitializer() { return this; } | |
119 | void accept(Visitor *v) { v->visit(this); } | |
120 | }; | |
121 | ||
122 | Expression *initializerToExpression(Initializer *init, Type *t = NULL); |