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b4c522fa IB |
1 | |
2 | /* Compiler implementation of the D programming language | |
8e788ac6 | 3 | * Copyright (C) 1999-2020 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; | |
24 | class ErrorInitializer; | |
25 | class VoidInitializer; | |
26 | class StructInitializer; | |
27 | class ArrayInitializer; | |
28 | class ExpInitializer; | |
29 | ||
30 | enum NeedInterpret { INITnointerpret, INITinterpret }; | |
31 | ||
98866120 | 32 | class Initializer : public ASTNode |
b4c522fa IB |
33 | { |
34 | public: | |
35 | Loc loc; | |
36 | ||
37 | Initializer(Loc loc); | |
38 | virtual Initializer *syntaxCopy() = 0; | |
39 | static Initializers *arraySyntaxCopy(Initializers *ai); | |
40 | ||
41 | const char *toChars(); | |
42 | ||
43 | virtual ErrorInitializer *isErrorInitializer() { return NULL; } | |
44 | virtual VoidInitializer *isVoidInitializer() { return NULL; } | |
45 | virtual StructInitializer *isStructInitializer() { return NULL; } | |
46 | virtual ArrayInitializer *isArrayInitializer() { return NULL; } | |
47 | virtual ExpInitializer *isExpInitializer() { return NULL; } | |
98866120 | 48 | void accept(Visitor *v) { v->visit(this); } |
b4c522fa IB |
49 | }; |
50 | ||
51 | class VoidInitializer : public Initializer | |
52 | { | |
53 | public: | |
54 | Type *type; // type that this will initialize to | |
55 | ||
56 | VoidInitializer(Loc loc); | |
57 | Initializer *syntaxCopy(); | |
58 | ||
59 | virtual VoidInitializer *isVoidInitializer() { return this; } | |
60 | void accept(Visitor *v) { v->visit(this); } | |
61 | }; | |
62 | ||
63 | class ErrorInitializer : public Initializer | |
64 | { | |
65 | public: | |
66 | ErrorInitializer(); | |
67 | Initializer *syntaxCopy(); | |
68 | ||
69 | virtual ErrorInitializer *isErrorInitializer() { return this; } | |
70 | void accept(Visitor *v) { v->visit(this); } | |
71 | }; | |
72 | ||
73 | class StructInitializer : public Initializer | |
74 | { | |
75 | public: | |
76 | Identifiers field; // of Identifier *'s | |
77 | Initializers value; // parallel array of Initializer *'s | |
78 | ||
79 | StructInitializer(Loc loc); | |
80 | Initializer *syntaxCopy(); | |
81 | void addInit(Identifier *field, Initializer *value); | |
82 | ||
83 | StructInitializer *isStructInitializer() { return this; } | |
84 | void accept(Visitor *v) { v->visit(this); } | |
85 | }; | |
86 | ||
87 | class ArrayInitializer : public Initializer | |
88 | { | |
89 | public: | |
90 | Expressions index; // indices | |
91 | Initializers value; // of Initializer *'s | |
92 | unsigned dim; // length of array being initialized | |
93 | Type *type; // type that array will be used to initialize | |
94 | bool sem; // true if semantic() is run | |
95 | ||
96 | ArrayInitializer(Loc loc); | |
97 | Initializer *syntaxCopy(); | |
98 | void addInit(Expression *index, Initializer *value); | |
99 | bool isAssociativeArray(); | |
100 | Expression *toAssocArrayLiteral(); | |
101 | ||
102 | ArrayInitializer *isArrayInitializer() { return this; } | |
103 | void accept(Visitor *v) { v->visit(this); } | |
104 | }; | |
105 | ||
106 | class ExpInitializer : public Initializer | |
107 | { | |
108 | public: | |
109 | Expression *exp; | |
110 | bool expandTuples; | |
111 | ||
112 | ExpInitializer(Loc loc, Expression *exp); | |
113 | Initializer *syntaxCopy(); | |
114 | ||
115 | ExpInitializer *isExpInitializer() { return this; } | |
116 | void accept(Visitor *v) { v->visit(this); } | |
117 | }; | |
118 | ||
119 | Expression *initializerToExpression(Initializer *init, Type *t = NULL); |