Mercurial > projects > ddmd
annotate dmd/StaticDtorDeclaration.d @ 179:cd48cb899aee
Updated to dmd2.040
| author | korDen |
|---|---|
| date | Sun, 17 Oct 2010 20:56:07 +0400 |
| parents | e3afd1303184 |
| children | b0d41ff5e0df |
| rev | line source |
|---|---|
| 0 | 1 module dmd.StaticDtorDeclaration; |
| 2 | |
| 114 | 3 import dmd.common; |
| 0 | 4 import dmd.FuncDeclaration; |
| 5 import dmd.VarDeclaration; | |
| 6 import dmd.Dsymbol; | |
| 7 import dmd.Loc; | |
| 8 import dmd.Scope; | |
| 9 import dmd.AggregateDeclaration; | |
| 10 import dmd.OutBuffer; | |
| 11 import dmd.HdrGenState; | |
| 12 import dmd.STC; | |
| 13 import dmd.Identifier; | |
| 14 import dmd.ClassDeclaration; | |
| 15 import dmd.Type; | |
| 16 import dmd.TypeFunction; | |
| 17 import dmd.LINK; | |
| 18 import dmd.Lexer; | |
| 19 import dmd.Statement; | |
| 20 import dmd.Expression; | |
| 21 import dmd.EqualExp; | |
| 22 import dmd.ArrayTypes; | |
| 23 import dmd.DeclarationStatement; | |
| 24 import dmd.IdentifierExp; | |
| 25 import dmd.AddAssignExp; | |
| 26 import dmd.IntegerExp; | |
| 27 import dmd.TOK; | |
| 28 import dmd.IfStatement; | |
| 29 import dmd.ReturnStatement; | |
| 30 import dmd.CompoundStatement; | |
| 31 import dmd.Module; | |
| 32 | |
| 33 class StaticDtorDeclaration : FuncDeclaration | |
| 34 { | |
| 35 VarDeclaration vgate; // 'gate' variable | |
| 36 | |
| 179 | 37 this(Loc loc, Loc endloc, string name = "_staticDtor") |
| 0 | 38 { |
| 178 | 39 register(); |
| 179 | 40 super(loc, endloc, Identifier.generateId(name), STCstatic, null); |
| 41 vgate = null; | |
| 0 | 42 } |
| 43 | |
| 100 | 44 override Dsymbol syntaxCopy(Dsymbol s) |
| 0 | 45 { |
| 100 | 46 assert(!s); |
| 47 StaticDtorDeclaration sdd = new StaticDtorDeclaration(loc, endloc); | |
| 48 return super.syntaxCopy(sdd); | |
| 0 | 49 } |
| 50 | |
| 100 | 51 override void semantic(Scope sc) |
| 0 | 52 { |
| 179 | 53 ClassDeclaration cd = sc.scopesym.isClassDeclaration(); |
| 54 if (!type) | |
| 55 type = new TypeFunction(null, Type.tvoid, false, LINK.LINKd); | |
| 0 | 56 |
| 57 /* If the static ctor appears within a template instantiation, | |
| 58 * it could get called multiple times by the module constructors | |
| 59 * for different modules. Thus, protect it with a gate. | |
| 60 */ | |
| 179 | 61 if (inTemplateInstance() && semanticRun < PASSsemantic) |
| 0 | 62 { |
| 63 /* Add this prefix to the function: | |
| 64 * static int gate; | |
| 65 * if (--gate != 0) return; | |
| 66 * Increment gate during constructor execution. | |
| 67 * Note that this is not thread safe; should not have threads | |
| 68 * during static destruction. | |
| 69 */ | |
| 70 Identifier id = Lexer.idPool("__gate"); | |
| 71 VarDeclaration v = new VarDeclaration(Loc(0), Type.tint32, id, null); | |
| 179 | 72 v.storage_class = isSharedStaticDtorDeclaration() ? STCstatic : STCtls; |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
73 auto sa = new Statements(); |
| 0 | 74 Statement s = new DeclarationStatement(Loc(0), v); |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
75 sa.push(s); |
| 0 | 76 Expression e = new IdentifierExp(Loc(0), id); |
| 77 e = new AddAssignExp(Loc(0), e, new IntegerExp(-1)); | |
| 78 e = new EqualExp(TOKnotequal, Loc(0), e, new IntegerExp(0)); | |
| 79 s = new IfStatement(Loc(0), null, e, new ReturnStatement(Loc(0), null), null); | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
80 sa.push(s); |
| 0 | 81 if (fbody) |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
82 sa.push(fbody); |
| 0 | 83 fbody = new CompoundStatement(Loc(0), sa); |
| 84 vgate = v; | |
| 85 } | |
| 86 | |
| 87 FuncDeclaration.semantic(sc); | |
| 88 | |
| 89 // We're going to need ModuleInfo | |
| 90 Module m = getModule(); | |
| 91 if (!m) | |
| 92 m = sc.module_; | |
| 93 if (m) | |
| 94 { | |
| 95 m.needmoduleinfo = 1; | |
| 98 | 96 // writef("module2 %s needs moduleinfo\n", m.toChars()); |
| 0 | 97 version (IN_GCC) { |
| 98 m.strictlyneedmoduleinfo = 1; | |
| 99 } | |
| 100 } | |
| 101 } | |
| 102 | |
| 100 | 103 override AggregateDeclaration isThis() |
| 0 | 104 { |
| 105 return null; | |
| 106 } | |
| 107 | |
| 100 | 108 override bool isVirtual() |
| 0 | 109 { |
| 110 return false; | |
| 111 } | |
| 112 | |
| 100 | 113 override bool addPreInvariant() |
| 114 { | |
| 115 return false; | |
| 116 } | |
| 117 | |
| 118 override bool addPostInvariant() | |
| 0 | 119 { |
| 120 return false; | |
| 121 } | |
| 122 | |
| 100 | 123 override void emitComment(Scope sc) |
| 0 | 124 { |
| 125 } | |
| 126 | |
| 100 | 127 override void toCBuffer(OutBuffer buf, HdrGenState* hgs) |
| 0 | 128 { |
| 100 | 129 if (hgs.hdrgen) |
| 130 return; | |
| 131 buf.writestring("static ~this()"); | |
| 132 bodyToCBuffer(buf, hgs); | |
| 0 | 133 } |
| 134 | |
| 79 | 135 override void toJsonBuffer(OutBuffer buf) |
| 136 { | |
| 137 } | |
| 138 | |
| 100 | 139 override StaticDtorDeclaration isStaticDtorDeclaration() { return this; } |
| 72 | 140 } |