diff dmd/PostBlitDeclaration.d @ 98:5c859d5fbe27

and more
author Trass3r
date Tue, 31 Aug 2010 03:53:49 +0200
parents 43073c7c7769
children e28b18c23469
line wrap: on
line diff
--- a/dmd/PostBlitDeclaration.d	Tue Aug 31 02:12:15 2010 +0200
+++ b/dmd/PostBlitDeclaration.d	Tue Aug 31 03:53:49 2010 +0200
@@ -1,72 +1,103 @@
 module dmd.PostBlitDeclaration;
 
 import dmd.FuncDeclaration;
+import dmd.Global;
+import dmd.LINK;
+import dmd.LinkDeclaration;
 import dmd.Loc;
 import dmd.Identifier;
 import dmd.Dsymbol;
 import dmd.Scope;
+import dmd.StructDeclaration;
 import dmd.OutBuffer;
 import dmd.HdrGenState;
 import dmd.STC;
+import dmd.Type;
+import dmd.TypeFunction;
 import dmd.Id;
 
+version(DMDV2)
 class PostBlitDeclaration : FuncDeclaration
 {
-    this(Loc loc, Loc endloc)
+	this(Loc loc, Loc endloc)
 	{
 		super(loc, endloc, Id._postblit, STCundefined, null);
 	}
 	
-    this(Loc loc, Loc endloc, Identifier id)
+	this(Loc loc, Loc endloc, Identifier id)
 	{
-		assert(false);
-		super(loc, loc, null, STC.init, null);
+		super(loc, loc, id, STCundefined, null);
 	}
 	
-    override Dsymbol syntaxCopy(Dsymbol)
+	override Dsymbol syntaxCopy(Dsymbol s)
 	{
-		assert(false);
+		assert(!s);
+		PostBlitDeclaration dd = new PostBlitDeclaration(loc, endloc, ident);
+		return super.syntaxCopy(dd);
 	}
 	
-    override void semantic(Scope sc)
+	override void semantic(Scope sc)
 	{
-		assert(false);
+		//writef("PostBlitDeclaration.semantic() %s\n", toChars());
+		//writef("ident: %s, %s, %p, %p\n", ident.toChars(), Id.dtor.toChars(), ident, Id.dtor);
+		//writef("stc = x%llx\n", sc.stc);
+		parent = sc.parent;
+		Dsymbol parent = toParent();
+		StructDeclaration ad = parent.isStructDeclaration();
+		if (!ad)
+		{
+			error("post blits are only for struct/union definitions, not %s %s", parent.kind(), parent.toChars());
+		}
+		else if (ident == Id._postblit && semanticRun < PASSsemantic)
+			ad.postblits.push(this);
+
+		if (!type)
+			type = new TypeFunction(null, Type.tvoid, false, LINKd);
+
+		sc = sc.push();
+		sc.stc &= ~STCstatic;			  // not static
+		sc.linkage = LINKd;
+
+		FuncDeclaration.semantic(sc);
+
+		sc.pop();
 	}
 	
-    override void toCBuffer(OutBuffer buf, HdrGenState* hgs)
+	override void toCBuffer(OutBuffer buf, HdrGenState* hgs)
 	{
-		assert(false);
+		buf.writestring("this(this)");
+		bodyToCBuffer(buf, hgs);
 	}
 	
-    version(DMDV2)
 	override void toJsonBuffer(OutBuffer buf)
 	{
+		// intentionally empty
 	}
 
-    override bool isVirtual()
+	override bool isVirtual()
 	{
-		assert(false);
+		return false;
 	}
 	
-    override bool addPreInvariant()
+	override bool addPreInvariant()
 	{
-		assert(false);
+		return false;
 	}
 	
-    override bool addPostInvariant()
+	override bool addPostInvariant()
 	{
-		assert(false);
+		return (isThis() && vthis && global.params.useInvariants);
 	}
 	
-    override bool overloadInsert(Dsymbol s)
+	override bool overloadInsert(Dsymbol s)
 	{
-		assert(false);
+		return false;	   // cannot overload postblits
 	}
 	
-    override void emitComment(Scope sc)
+	override void emitComment(Scope sc)
 	{
-		assert(false);
+		// intentionally empty
 	}
 
-    override PostBlitDeclaration isPostBlitDeclaration() { return this; }
-}
+	override PostBlitDeclaration isPostBlitDeclaration() { return this; }
+}
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