1 /**
2  * Defines the `Dsymbol` representing a `static assert()`.
3  *
4  * Specification: $(LINK2 https://dlang.org/spec/version.html#static-assert, Static Assert)
5  *
6  * Copyright:   Copyright (C) 1999-2023 by The D Language Foundation, All Rights Reserved
7  * Authors:     $(LINK2 https://www.digitalmars.com, Walter Bright)
8  * License:     $(LINK2 https://www.boost.org/LICENSE_1_0.txt, Boost License 1.0)
9  * Source:      $(LINK2 https://github.com/dlang/dmd/blob/master/src/dmd/staticassert.d, _staticassert.d)
10  * Documentation:  https://dlang.org/phobos/dmd_staticassert.html
11  * Coverage:    https://codecov.io/gh/dlang/dmd/src/master/src/dmd/staticassert.d
12  */
13 
14 module dmd.staticassert;
15 
16 import dmd.arraytypes;
17 import dmd.dscope;
18 import dmd.dsymbol;
19 import dmd.expression;
20 import dmd.globals;
21 import dmd.location;
22 import dmd.id;
23 import dmd.identifier;
24 import dmd.mtype;
25 import dmd.visitor;
26 
27 /***********************************************************
28  */
29 extern (C++) final class StaticAssert : Dsymbol
30 {
31     Expression exp;
32     Expressions* msgs;
33 
34     extern (D) this(const ref Loc loc, Expression exp, Expression msg)
35     {
36         super(loc, Id.empty);
37         this.exp = exp;
38         this.msgs = new Expressions(1);
39         (*this.msgs)[0] = msg;
40     }
41 
42     extern (D) this(const ref Loc loc, Expression exp, Expressions* msgs)
43     {
44         super(loc, Id.empty);
45         this.exp = exp;
46         this.msgs = msgs;
47     }
48 
49     override StaticAssert syntaxCopy(Dsymbol s)
50     {
51         assert(!s);
52         return new StaticAssert(loc, exp.syntaxCopy(), msgs ? Expression.arraySyntaxCopy(msgs) : null);
53     }
54 
55     override void addMember(Scope* sc, ScopeDsymbol sds)
56     {
57         // we didn't add anything
58     }
59 
60     override bool oneMember(Dsymbol* ps, Identifier ident)
61     {
62         //printf("StaticAssert::oneMember())\n");
63         *ps = null;
64         return true;
65     }
66 
67     override const(char)* kind() const
68     {
69         return "static assert";
70     }
71 
72     override inout(StaticAssert) isStaticAssert() inout
73     {
74         return this;
75     }
76 
77     override void accept(Visitor v)
78     {
79         v.visit(this);
80     }
81 }