# HG changeset patch
# User lindquist
# Date 1191462176 -7200
# Node ID 788401029ecf220dd9a9de7949e3578a366655dd
# Parent  c05ef76f1c20ee17fcaa7f0de35e47c17977ab5e
[svn r23] * Updated to DMD 1.021

diff -r c05ef76f1c20 -r 788401029ecf dmd/attrib.c
--- a/dmd/attrib.c	Thu Oct 04 01:47:53 2007 +0200
+++ b/dmd/attrib.c	Thu Oct 04 03:42:56 2007 +0200
@@ -192,6 +192,28 @@
     }
 }
 
+int AttribDeclaration::cvMember(unsigned char *p)
+{
+    unsigned i;
+    int nwritten = 0;
+    int n;
+    Array *d = include(NULL, NULL);
+
+    if (d)
+    {
+    for (i = 0; i < d->dim; i++)
+    {   Dsymbol *s;
+
+        s = (Dsymbol *)d->data[i];
+        n = s->cvMember(p);
+        if (p)
+        p += n;
+        nwritten += n;
+    }
+    }
+    return nwritten;
+}
+
 int AttribDeclaration::hasPointers()
 {
     Array *d = include(NULL, NULL);
diff -r c05ef76f1c20 -r 788401029ecf dmd/attrib.h
--- a/dmd/attrib.h	Thu Oct 04 01:47:53 2007 +0200
+++ b/dmd/attrib.h	Thu Oct 04 03:42:56 2007 +0200
@@ -51,6 +51,7 @@
     AttribDeclaration *isAttribDeclaration() { return this; }
 
     void toObjFile();			// compile to .obj file
+    int cvMember(unsigned char *p);
 };
 
 struct StorageClassDeclaration: AttribDeclaration
diff -r c05ef76f1c20 -r 788401029ecf dmd/cast.c
--- a/dmd/cast.c	Thu Oct 04 01:47:53 2007 +0200
+++ b/dmd/cast.c	Thu Oct 04 03:42:56 2007 +0200
@@ -658,77 +658,85 @@
 
 Expression *StringExp::castTo(Scope *sc, Type *t)
 {
+    /* This follows copy-on-write; any changes to 'this'
+     * will result in a copy.
+     * The this->string member is considered immutable.
+     */
     StringExp *se;
     Type *tb;
-    int unique;
+    int copied = 0;
 
     //printf("StringExp::castTo(t = %s), '%s' committed = %d\n", t->toChars(), toChars(), committed);
 
-    if (!committed && t->ty == Tpointer && t->next->ty == Tvoid)
+    if (!committed && t->ty == Tpointer && t->nextOf()->ty == Tvoid)
     {
 	error("cannot convert string literal to void*");
     }
 
+    se = this;
+    if (!committed)
+    {   se = (StringExp *)copy();
+	se->committed = 1;
+	copied = 1;
+    }
+
+    if (type == t)
+    {
+	return se;
+    }
+
     tb = t->toBasetype();
     //printf("\ttype = %s\n", type->toChars());
     if (tb->ty == Tdelegate && type->toBasetype()->ty != Tdelegate)
 	return Expression::castTo(sc, t);
 
-    se = this;
-    unique = 0;
-    if (!committed)
+    Type *typeb = type->toBasetype();
+    if (typeb == tb)
     {
-	// Copy when committing the type
-	void *s;
-
-	s = (unsigned char *)mem.malloc((len + 1) * sz);
-	memcpy(s, string, (len + 1) * sz);
-	se = new StringExp(loc, s, len);
-	se->type = type;
-	se->sz = sz;
-	se->committed = 0;
-	unique = 1;		// this is the only instance
-    }
-    se->type = type->toBasetype();
-    if (tb == se->type)
-    {	se->type = t;
-	se->committed = 1;
+	if (!copied)
+	{   se = (StringExp *)copy();
+	    copied = 1;
+	}
+	se->type = t;
 	return se;
     }
 
     if (tb->ty != Tsarray && tb->ty != Tarray && tb->ty != Tpointer)
-    {	se->committed = 1;
-	goto Lcast;
-    }
-    if (se->type->ty != Tsarray && se->type->ty != Tarray && se->type->ty != Tpointer)
-    {	se->committed = 1;
+    {	if (!copied)
+	{   se = (StringExp *)copy();
+	    copied = 1;
+	}
 	goto Lcast;
     }
-
-    if (se->committed == 1)
-    {
-	if (se->type->next->size() == tb->next->size())
-	{   se->type = t;
-	    return se;
+    if (typeb->ty != Tsarray && typeb->ty != Tarray && typeb->ty != Tpointer)
+    {	if (!copied)
+	{   se = (StringExp *)copy();
+	    copied = 1;
 	}
 	goto Lcast;
     }
 
-    se->committed = 1;
+    if (typeb->nextOf()->size() == tb->nextOf()->size())
+    {
+	if (!copied)
+	{   se = (StringExp *)copy();
+	    copied = 1;
+	}
+	if (tb->ty == Tsarray)
+	    goto L2;	// handle possible change in static array dimension
+	se->type = t;
+	return se;
+    }
 
-    int tfty;
-    int ttty;
-    char *p;
-    size_t u;
-    unsigned c;
-    size_t newlen;
+    if (committed)
+	goto Lcast;
 
 #define X(tf,tt)	((tf) * 256 + (tt))
     {
     OutBuffer buffer;
-    newlen = 0;
-    tfty = se->type->next->toBasetype()->ty;
-    ttty = tb->next->toBasetype()->ty;
+    size_t newlen = 0;
+    int tfty = typeb->nextOf()->toBasetype()->ty;
+    int ttty = tb->nextOf()->toBasetype()->ty;
     switch (X(tfty, ttty))
     {
 	case X(Tchar, Tchar):
@@ -737,9 +745,9 @@
 	    break;
 
 	case X(Tchar, Twchar):
-	    for (u = 0; u < len;)
-	    {
-		p = utf_decodeChar((unsigned char *)se->string, len, &u, &c);
+	    for (size_t u = 0; u < len;)
+	    {	unsigned c;
+		char *p = utf_decodeChar((unsigned char *)se->string, len, &u, &c);
 		if (p)
 		    error("%s", p);
 		else
@@ -750,9 +758,9 @@
 	    goto L1;
 
 	case X(Tchar, Tdchar):
-	    for (u = 0; u < len;)
-	    {
-		p = utf_decodeChar((unsigned char *)se->string, len, &u, &c);
+	    for (size_t u = 0; u < len;)
+	    {	unsigned c;
+		char *p = utf_decodeChar((unsigned char *)se->string, len, &u, &c);
 		if (p)
 		    error("%s", p);
 		buffer.write4(c);
@@ -762,9 +770,9 @@
 	    goto L1;
 
 	case X(Twchar,Tchar):
-	    for (u = 0; u < len;)
-	    {
-		p = utf_decodeWchar((unsigned short *)se->string, len, &u, &c);
+	    for (size_t u = 0; u < len;)
+	    {	unsigned c;
+		char *p = utf_decodeWchar((unsigned short *)se->string, len, &u, &c);
 		if (p)
 		    error("%s", p);
 		else
@@ -775,9 +783,9 @@
 	    goto L1;
 
 	case X(Twchar,Tdchar):
-	    for (u = 0; u < len;)
-	    {
-		p = utf_decodeWchar((unsigned short *)se->string, len, &u, &c);
+	    for (size_t u = 0; u < len;)
+	    {	unsigned c;
+		char *p = utf_decodeWchar((unsigned short *)se->string, len, &u, &c);
 		if (p)
 		    error("%s", p);
 		buffer.write4(c);
@@ -787,9 +795,9 @@
 	    goto L1;
 
 	case X(Tdchar,Tchar):
-	    for (u = 0; u < len; u++)
+	    for (size_t u = 0; u < len; u++)
 	    {
-		c = ((unsigned *)se->string)[u];
+		unsigned c = ((unsigned *)se->string)[u];
 		if (!utf_isValidDchar(c))
 		    error("invalid UCS-32 char \\U%08x", c);
 		else
@@ -801,9 +809,9 @@
 	    goto L1;
 
 	case X(Tdchar,Twchar):
-	    for (u = 0; u < len; u++)
+	    for (size_t u = 0; u < len; u++)
 	    {
-		c = ((unsigned *)se->string)[u];
+		unsigned c = ((unsigned *)se->string)[u];
 		if (!utf_isValidDchar(c))
 		    error("invalid UCS-32 char \\U%08x", c);
 		else
@@ -815,22 +823,23 @@
 	    goto L1;
 
 	L1:
-	    if (!unique)
-		se = new StringExp(loc, NULL, 0);
+	    if (!copied)
+	    {   se = (StringExp *)copy();
+		copied = 1;
+	    }
 	    se->string = buffer.extractData();
 	    se->len = newlen;
-	    se->sz = tb->next->size();
+	    se->sz = tb->nextOf()->size();
 	    break;
 
 	default:
-	    if (se->type->next->size() == tb->next->size())
-	    {	se->type = t;
-		return se;
-	    }
+	    assert(typeb->nextOf()->size() != tb->nextOf()->size());
 	    goto Lcast;
     }
     }
 #undef X
+L2:
+    assert(copied);
 
     // See if need to truncate or extend the literal
     if (tb->ty == Tsarray)
@@ -842,28 +851,18 @@
 	// Changing dimensions
 	if (dim2 != se->len)
 	{
+	    // Copy when changing the string literal
 	    unsigned newsz = se->sz;
+	    void *s;
+	    int d;
 
-	    if (unique && dim2 < se->len)
-	    {   se->len = dim2;
-		// Add terminating 0
-		memset((unsigned char *)se->string + dim2 * newsz, 0, newsz);
-	    }
-	    else
-	    {
-		// Copy when changing the string literal
-		void *s;
-		int d;
-
-		d = (dim2 < se->len) ? dim2 : se->len;
-		s = (unsigned char *)mem.malloc((dim2 + 1) * newsz);
-		memcpy(s, se->string, d * newsz);
-		// Extend with 0, add terminating 0
-		memset((char *)s + d * newsz, 0, (dim2 + 1 - d) * newsz);
-		se = new StringExp(loc, s, dim2);
-		se->committed = 1;	// it now has a firm type
-		se->sz = newsz;
-	    }
+	    d = (dim2 < se->len) ? dim2 : se->len;
+	    s = (unsigned char *)mem.malloc((dim2 + 1) * newsz);
+	    memcpy(s, se->string, d * newsz);
+	    // Extend with 0, add terminating 0
+	    memset((char *)s + d * newsz, 0, (dim2 + 1 - d) * newsz);
+	    se->string = s;
+	    se->len = dim2;
 	}
     }
     se->type = t;
@@ -871,7 +870,7 @@
 
 Lcast:
     Expression *e = new CastExp(loc, se, t);
-    e->type = t;
+    e->type = t;	// so semantic() won't be run on e
     return e;
 }
 
diff -r c05ef76f1c20 -r 788401029ecf dmd/constfold.c
--- a/dmd/constfold.c	Thu Oct 04 01:47:53 2007 +0200
+++ b/dmd/constfold.c	Thu Oct 04 03:42:56 2007 +0200
@@ -668,7 +668,35 @@
 
     assert(op == TOKequal || op == TOKnotequal);
 
-    if (e1->op == TOKstring && e2->op == TOKstring)
+    if (e1->op == TOKnull)
+    {
+	if (e2->op == TOKnull)
+	    cmp = 1;
+	else if (e2->op == TOKstring)
+	{   StringExp *es2 = (StringExp *)e2;
+	    cmp = (0 == es2->len);
+	}
+	else if (e2->op == TOKarrayliteral)
+	{   ArrayLiteralExp *es2 = (ArrayLiteralExp *)e2;
+	    cmp = !es2->elements || (0 == es2->elements->dim);
+	}
+	else
+	    return EXP_CANT_INTERPRET;
+    }
+    else if (e2->op == TOKnull)
+    {
+	if (e1->op == TOKstring)
+	{   StringExp *es1 = (StringExp *)e1;
+	    cmp = (0 == es1->len);
+	}
+	else if (e1->op == TOKarrayliteral)
+	{   ArrayLiteralExp *es1 = (ArrayLiteralExp *)e1;
+	    cmp = !es1->elements || (0 == es1->elements->dim);
+	}
+	else
+	    return EXP_CANT_INTERPRET;
+    }
+    else if (e1->op == TOKstring && e2->op == TOKstring)
     {	StringExp *es1 = (StringExp *)e1;
 	StringExp *es2 = (StringExp *)e2;
 
@@ -792,7 +820,11 @@
     Loc loc = e1->loc;
     int cmp;
 
-    if (e1->op == TOKsymoff && e2->op == TOKsymoff)
+    if (e1->op == TOKnull && e2->op == TOKnull)
+    {
+	cmp = 1;
+    }
+    else if (e1->op == TOKsymoff && e2->op == TOKsymoff)
     {
 	SymOffExp *es1 = (SymOffExp *)e1;
 	SymOffExp *es2 = (SymOffExp *)e2;
@@ -1051,7 +1083,7 @@
     }
     else
     {
-	error("cannot cast %s to %s", e1->type->toChars(), type->toChars());
+	error(loc, "cannot cast %s to %s", e1->type->toChars(), type->toChars());
 	e = new IntegerExp(loc, 0, type);
     }
     return e;
@@ -1245,11 +1277,11 @@
 
     //printf("Cat(e1 = %s, e2 = %s)\n", e1->toChars(), e2->toChars());
 
-    if (e1->op == TOKnull && e2->op == TOKint64)
+    if (e1->op == TOKnull && (e2->op == TOKint64 || e2->op == TOKstructliteral))
     {	e = e2;
 	goto L2;
     }
-    else if (e1->op == TOKint64 && e2->op == TOKnull)
+    else if ((e1->op == TOKint64 || e1->op == TOKstructliteral) && e2->op == TOKnull)
     {	e = e1;
      L2:
 	Type *tn = e->type->toBasetype();
@@ -1381,7 +1413,7 @@
 	    e->type = type;
     }
     else if (e1->op == TOKarrayliteral &&
-	e1->type->toBasetype()->next->equals(e2->type))
+	e1->type->toBasetype()->nextOf()->equals(e2->type))
     {
 	ArrayLiteralExp *es1 = (ArrayLiteralExp *)e1;
 
@@ -1398,7 +1430,7 @@
 	    e->type = type;
     }
     else if (e2->op == TOKarrayliteral &&
-	e2->type->toBasetype()->next->equals(e1->type))
+	e2->type->toBasetype()->nextOf()->equals(e1->type))
     {
 	ArrayLiteralExp *es2 = (ArrayLiteralExp *)e2;
 
@@ -1425,7 +1457,7 @@
 	t = e2->type;
       L1:
 	Type *tb = t->toBasetype();
-	if (tb->ty == Tarray && tb->next->equals(e->type))
+	if (tb->ty == Tarray && tb->nextOf()->equals(e->type))
 	{   Expressions *expressions = new Expressions();
 	    expressions->push(e);
 	    e = new ArrayLiteralExp(loc, expressions);
diff -r c05ef76f1c20 -r 788401029ecf dmd/declaration.c
--- a/dmd/declaration.c	Thu Oct 04 01:47:53 2007 +0200
+++ b/dmd/declaration.c	Thu Oct 04 03:42:56 2007 +0200
@@ -771,7 +771,12 @@
 	//printf("Providing default initializer for '%s'\n", toChars());
 	if (type->ty == Tstruct &&
 	    ((TypeStruct *)type)->sym->zeroInit == 1)
-	{
+	{   /* If a struct is all zeros, as a special case
+	     * set it's initializer to the integer 0.
+	     * In AssignExp::toElem(), we check for this and issue
+	     * a memset() to initialize the struct.
+	     * Must do same check in interpreter.
+	     */
 	    Expression *e = new IntegerExp(loc, 0, Type::tint32);
 	    Expression *e1;
 	    e1 = new VarExp(loc, this);
@@ -801,11 +806,12 @@
     if (init)
     {
 	ArrayInitializer *ai = init->isArrayInitializer();
-	if (ai && type->toBasetype()->ty == Taarray)
+	if (ai && tb->ty == Taarray)
 	{
 	    init = ai->toAssocArrayInitializer();
 	}
 
+	StructInitializer *si = init->isStructInitializer();
 	ExpInitializer *ei = init->isExpInitializer();
 
 	// See if we can allocate on the stack
@@ -898,16 +904,25 @@
 	     * Ignore failure.
 	     */
 
-	    if (ei && !global.errors && !inferred)
+	    if (!global.errors && !inferred)
 	    {
 		unsigned errors = global.errors;
 		global.gag++;
 		//printf("+gag\n");
-		Expression *e = ei->exp->syntaxCopy();
+		Expression *e;
+		Initializer *i2 = init;
 		inuse++;
-		e = e->semantic(sc);
+		if (ei)
+		{
+		    e = ei->exp->syntaxCopy();
+		    e = e->semantic(sc);
+		    e = e->implicitCastTo(sc, type);
+		}
+		else if (si || ai)
+		{   i2 = init->syntaxCopy();
+		    i2 = i2->semantic(sc, type);
+		}
 		inuse--;
-		e = e->implicitCastTo(sc, type);
 		global.gag--;
 		//printf("-gag\n");
 		if (errors != global.errors)	// if errors happened
@@ -915,7 +930,7 @@
 		    if (global.gag == 0)
 			global.errors = errors;	// act as if nothing happened
 		}
-		else
+		else if (ei)
 		{
 		    e = e->optimize(WANTvalue | WANTinterpret);
 		    if (e->op == TOKint64 || e->op == TOKstring)
@@ -923,6 +938,8 @@
 			ei->exp = e;		// no errors, keep result
 		    }
 		}
+		else
+		    init = i2;		// no errors, keep result
 	    }
 	}
     }
diff -r c05ef76f1c20 -r 788401029ecf dmd/dsymbol.c
--- a/dmd/dsymbol.c	Thu Oct 04 01:47:53 2007 +0200
+++ b/dmd/dsymbol.c	Thu Oct 04 03:42:56 2007 +0200
@@ -775,6 +775,43 @@
 }
 
 
+/*******************************************
+ * Look for member of the form:
+ *	const(MemberInfo)[] getMembers(string);
+ * Returns NULL if not found
+ */
+
+#if V2
+FuncDeclaration *ScopeDsymbol::findGetMembers()
+{
+    Dsymbol *s = search_function(this, Id::getmembers);
+    FuncDeclaration *fdx = s ? s->isFuncDeclaration() : NULL;
+
+#if 0  // Finish
+    static TypeFunction *tfgetmembers;
+
+    if (!tfgetmembers)
+    {
+	Scope sc;
+	Arguments *arguments = new Arguments;
+	Arguments *arg = new Argument(STCin, Type::tchar->constOf()->arrayOf(), NULL, NULL);
+	arguments->push(arg);
+
+	Type *tret = NULL;
+	tfgetmembers = new TypeFunction(arguments, tret, 0, LINKd);
+	tfgetmembers = (TypeFunction *)tfgetmembers->semantic(0, &sc);
+    }
+    if (fdx)
+	fdx = fdx->overloadExactMatch(tfgetmembers);
+#endif
+    if (fdx && fdx->isVirtual())
+	fdx = NULL;
+
+    return fdx;
+}
+#endif
+
+
 /****************************** WithScopeSymbol ******************************/
 
 WithScopeSymbol::WithScopeSymbol(WithStatement *withstate)
diff -r c05ef76f1c20 -r 788401029ecf dmd/expression.c
--- a/dmd/expression.c	Thu Oct 04 01:47:53 2007 +0200
+++ b/dmd/expression.c	Thu Oct 04 03:42:56 2007 +0200
@@ -619,9 +619,11 @@
 	for (size_t i = 0; i < arguments->dim; i++)
 	{   Expression *arg = (Expression *)arguments->data[i];
 
-	    if (i)
-		buf->writeByte(',');
-	    expToCBuffer(buf, hgs, arg, PREC_assign);
+	    if (arg)
+	    {	if (i)
+		    buf->writeByte(',');
+		expToCBuffer(buf, hgs, arg, PREC_assign);
+	    }
 	}
     }
 }
@@ -3979,9 +3981,9 @@
 
 /************************************************************/
 
-IftypeExp::IftypeExp(Loc loc, Type *targ, Identifier *id, enum TOK tok,
+IsExp::IsExp(Loc loc, Type *targ, Identifier *id, enum TOK tok,
 	Type *tspec, enum TOK tok2)
-	: Expression(loc, TOKis, sizeof(IftypeExp))
+	: Expression(loc, TOKis, sizeof(IsExp))
 {
     this->targ = targ;
     this->id = id;
@@ -3990,9 +3992,9 @@
     this->tok2 = tok2;
 }
 
-Expression *IftypeExp::syntaxCopy()
-{
-    return new IftypeExp(loc,
+Expression *IsExp::syntaxCopy()
+{
+    return new IsExp(loc,
 	targ->syntaxCopy(),
 	id,
 	tok,
@@ -4000,10 +4002,10 @@
 	tok2);
 }
 
-Expression *IftypeExp::semantic(Scope *sc)
+Expression *IsExp::semantic(Scope *sc)
 {   Type *tded;
 
-    //printf("IftypeExp::semantic()\n");
+    //printf("IsExp::semantic()\n");
     if (id && !(sc->flags & SCOPEstaticif))
 	error("can only declare type aliases within static if conditionals");
 
@@ -4201,11 +4203,15 @@
     return new IntegerExp(0);
 }
 
-void IftypeExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
+void IsExp::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
 {
     buf->writestring("is(");
     targ->toCBuffer(buf, id, hgs);
-    if (tspec)
+    if (tok2 != TOKreserved)
+    {
+	buf->printf(" %s %s", Token::toChars(tok), Token::toChars(tok2));
+    }
+    else if (tspec)
     {
 	if (tok == TOKcolon)
 	    buf->writestring(" : ");
@@ -4213,6 +4219,17 @@
 	    buf->writestring(" == ");
 	tspec->toCBuffer(buf, NULL, hgs);
     }
+#if V2
+    if (parameters)
+    {	// First parameter is already output, so start with second
+	for (int i = 1; i < parameters->dim; i++)
+	{
+	    buf->writeByte(',');
+	    TemplateParameter *tp = (TemplateParameter *)parameters->data[i];
+	    tp->toCBuffer(buf, hgs);
+	}
+    }
+#endif
     buf->writeByte(')');
 }
 
@@ -5308,7 +5325,7 @@
     int istemp;
 
 #if LOGSEMANTIC
-    printf("CallExp::semantic('%s')\n", toChars());
+    printf("CallExp::semantic() %s\n", toChars());
 #endif
     if (type)
 	return this;		// semantic() already run
@@ -5443,6 +5460,9 @@
 	    ad = ((TypeStruct *)t1)->sym;
 	    if (search_function(ad, Id::call))
 		goto L1;	// overload of opCall, therefore it's a call
+
+	    if (e1->op != TOKtype)
+		error("%s %s does not overload ()", ad->kind(), ad->toChars());
 	    /* It's a struct literal
 	     */
 	    Expression *e = new StructLiteralExp(loc, (StructDeclaration *)ad, arguments);
diff -r c05ef76f1c20 -r 788401029ecf dmd/expression.h
--- a/dmd/expression.h	Thu Oct 04 01:47:53 2007 +0200
+++ b/dmd/expression.h	Thu Oct 04 03:42:56 2007 +0200
@@ -70,6 +70,8 @@
 void argExpTypesToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs);
 void argsToCBuffer(OutBuffer *buf, Expressions *arguments, HdrGenState *hgs);
 void expandTuples(Expressions *exps);
+FuncDeclaration *hasThis(Scope *sc);
+Expression *fromConstInitializer(int result, Expression *e);
 
 struct Expression : Object
 {
@@ -622,7 +624,7 @@
     elem *toElem(IRState *irs);
 };
 
-struct IftypeExp : Expression
+struct IsExp : Expression
 {
     /* is(targ id tok tspec)
      * is(targ id == tok2)
@@ -633,7 +635,7 @@
     Type *tspec;	// can be NULL
     enum TOK tok2;	// 'struct', 'union', 'typedef', etc.
 
-    IftypeExp(Loc loc, Type *targ, Identifier *id, enum TOK tok, Type *tspec, enum TOK tok2);
+    IsExp(Loc loc, Type *targ, Identifier *id, enum TOK tok, Type *tspec, enum TOK tok2);
     Expression *syntaxCopy();
     Expression *semantic(Scope *sc);
     void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
diff -r c05ef76f1c20 -r 788401029ecf dmd/func.c
--- a/dmd/func.c	Thu Oct 04 01:47:53 2007 +0200
+++ b/dmd/func.c	Thu Oct 04 03:42:56 2007 +0200
@@ -255,7 +255,7 @@
 	if (!isVirtual())
 	{
 	    //printf("\tnot virtual\n");
-	    return;
+	    goto Ldone;
 	}
 
 	// Find index of existing function in vtbl[] to override
@@ -405,8 +405,8 @@
 #if 0
 				if (offset)
 				    ti = fdv->type;
-				else if (type->next->ty == Tclass)
-				{   ClassDeclaration *cdn = ((TypeClass *)type->next)->sym;
+				else if (type->nextOf()->ty == Tclass)
+				{   ClassDeclaration *cdn = ((TypeClass *)type->nextOf())->sym;
 				    if (cdn && cdn->sizeok != 1)
 					ti = fdv->type;
 				}
@@ -480,8 +480,8 @@
 	    {
 		Argument *arg0 = Argument::getNth(f->parameters, 0);
 		if (arg0->type->ty != Tarray ||
-		    arg0->type->next->ty != Tarray ||
-		    arg0->type->next->next->ty != Tchar ||
+		    arg0->type->nextOf()->ty != Tarray ||
+		    arg0->type->nextOf()->nextOf()->ty != Tchar ||
 		    arg0->storageClass & (STCout | STCref | STClazy))
 		    goto Lmainerr;
 		break;
@@ -526,6 +526,7 @@
 	}
     }
 
+Ldone:
     /* Save scope for possible later use (if we need the
      * function internals)
      */
@@ -2185,7 +2186,8 @@
 /********************************* StaticCtorDeclaration ****************************/
 
 StaticCtorDeclaration::StaticCtorDeclaration(Loc loc, Loc endloc)
-    : FuncDeclaration(loc, endloc, Id::staticCtor, STCstatic, NULL)
+    : FuncDeclaration(loc, endloc,
+      Identifier::generateId("_staticCtor"), STCstatic, NULL)
 {
 }
 
@@ -2257,7 +2259,8 @@
 /********************************* StaticDtorDeclaration ****************************/
 
 StaticDtorDeclaration::StaticDtorDeclaration(Loc loc, Loc endloc)
-    : FuncDeclaration(loc, endloc, Id::staticDtor, STCstatic, NULL)
+    : FuncDeclaration(loc, endloc,
+      Identifier::generateId("_staticDtor"), STCstatic, NULL)
 {
 }
 
diff -r c05ef76f1c20 -r 788401029ecf dmd/id.c
--- a/dmd/id.c	Thu Oct 04 01:47:53 2007 +0200
+++ b/dmd/id.c	Thu Oct 04 03:42:56 2007 +0200
@@ -12,8 +12,6 @@
 Identifier *Id::dtor;
 Identifier *Id::classInvariant;
 Identifier *Id::unitTest;
-Identifier *Id::staticCtor;
-Identifier *Id::staticDtor;
 Identifier *Id::init;
 Identifier *Id::size;
 Identifier *Id::__sizeof;
@@ -187,8 +185,6 @@
     dtor = Lexer::idPool("_dtor");
     classInvariant = Lexer::idPool("__invariant");
     unitTest = Lexer::idPool("_unitTest");
-    staticCtor = Lexer::idPool("_staticCtor");
-    staticDtor = Lexer::idPool("_staticDtor");
     init = Lexer::idPool("init");
     size = Lexer::idPool("size");
     __sizeof = Lexer::idPool("sizeof");
diff -r c05ef76f1c20 -r 788401029ecf dmd/id.h
--- a/dmd/id.h	Thu Oct 04 01:47:53 2007 +0200
+++ b/dmd/id.h	Thu Oct 04 03:42:56 2007 +0200
@@ -14,8 +14,6 @@
     static Identifier *dtor;
     static Identifier *classInvariant;
     static Identifier *unitTest;
-    static Identifier *staticCtor;
-    static Identifier *staticDtor;
     static Identifier *init;
     static Identifier *size;
     static Identifier *__sizeof;
diff -r c05ef76f1c20 -r 788401029ecf dmd/identifier.c
--- a/dmd/identifier.c	Thu Oct 04 01:47:53 2007 +0200
+++ b/dmd/identifier.c	Thu Oct 04 03:42:56 2007 +0200
@@ -53,14 +53,20 @@
     else if (this == Id::dtor) p = "~this";
     else if (this == Id::classInvariant) p = "invariant";
     else if (this == Id::unitTest) p = "unittest";
-    else if (this == Id::staticCtor) p = "static this";
-    else if (this == Id::staticDtor) p = "static ~this";
     else if (this == Id::dollar) p = "$";
     else if (this == Id::withSym) p = "with";
     else if (this == Id::result) p = "result";
     else if (this == Id::returnLabel) p = "return";
     else
-	p = toChars();
+    {	p = toChars();
+	if (*p == '_')
+	{
+	    if (memcmp(p, "_staticCtor", 11) == 0)
+		p = "static this";
+	    else if (memcmp(p, "_staticDtor", 11) == 0)
+		p = "static ~this";
+	}
+    }
 
     return p;
 }
diff -r c05ef76f1c20 -r 788401029ecf dmd/idgen.c
--- a/dmd/idgen.c	Thu Oct 04 01:47:53 2007 +0200
+++ b/dmd/idgen.c	Thu Oct 04 03:42:56 2007 +0200
@@ -38,8 +38,6 @@
     { "dtor", "_dtor" },
     { "classInvariant", "__invariant" },
     { "unitTest", "_unitTest" },
-    { "staticCtor", "_staticCtor" },
-    { "staticDtor", "_staticDtor" },
     { "init" },
     { "size" },
     { "__sizeof", "sizeof" },
diff -r c05ef76f1c20 -r 788401029ecf dmd/init.c
--- a/dmd/init.c	Thu Oct 04 01:47:53 2007 +0200
+++ b/dmd/init.c	Thu Oct 04 03:42:56 2007 +0200
@@ -235,9 +235,43 @@
 }
 
 
+/***************************************
+ * This works by transforming a struct initializer into
+ * a struct literal. In the future, the two should be the
+ * same thing.
+ */
 Expression *StructInitializer::toExpression()
-{
-    return NULL;		// cannot do it
+{   Expression *e;
+
+    //printf("StructInitializer::toExpression() %s\n", toChars());
+    if (!ad)				// if fwd referenced
+    {
+	return NULL;
+    }
+    StructDeclaration *sd = ad->isStructDeclaration();
+    if (!sd)
+	return NULL;
+    Expressions *elements = new Expressions();
+    for (size_t i = 0; i < value.dim; i++)
+    {
+	if (field.data[i])
+	    goto Lno;
+	Initializer *iz = (Initializer *)value.data[i];
+	if (!iz)
+	    goto Lno;
+	Expression *ex = iz->toExpression();
+	if (!ex)
+	    goto Lno;
+	elements->push(ex);
+    }
+    e = new StructLiteralExp(loc, sd, elements);
+    e->type = sd->type;
+    return e;
+
+Lno:
+    delete elements;
+    //error(loc, "struct initializers as expressions are not allowed");
+    return NULL;
 }
 
 
diff -r c05ef76f1c20 -r 788401029ecf dmd/init.h
--- a/dmd/init.h	Thu Oct 04 01:47:53 2007 +0200
+++ b/dmd/init.h	Thu Oct 04 03:42:56 2007 +0200
@@ -23,6 +23,7 @@
 struct dt_t;
 struct AggregateDeclaration;
 struct VoidInitializer;
+struct StructInitializer;
 struct ArrayInitializer;
 struct ExpInitializer;
 struct StructInitializer;
@@ -47,9 +48,9 @@
     virtual dt_t *toDt();
 
     virtual VoidInitializer *isVoidInitializer() { return NULL; }
+    virtual StructInitializer  *isStructInitializer()  { return NULL; }
     virtual ArrayInitializer  *isArrayInitializer()  { return NULL; }
     virtual ExpInitializer  *isExpInitializer()  { return NULL; }
-    virtual StructInitializer  *isStructInitializer()  { return NULL; }
 };
 
 struct VoidInitializer : Initializer
@@ -84,7 +85,7 @@
 
     dt_t *toDt();
 
-    virtual StructInitializer  *isStructInitializer()  { return this; }
+    StructInitializer  *isStructInitializer()  { return this; }
 };
 
 struct ArrayInitializer : Initializer
diff -r c05ef76f1c20 -r 788401029ecf dmd/interpret.c
--- a/dmd/interpret.c	Thu Oct 04 01:47:53 2007 +0200
+++ b/dmd/interpret.c	Thu Oct 04 03:42:56 2007 +0200
@@ -77,6 +77,7 @@
 	return NULL;
     }
 
+    //printf("test2 %d, %p\n", semanticRun, scope);
     if (semanticRun == 0 && scope)
     {
 	semantic3(scope);
@@ -276,7 +277,7 @@
 	Expression *e = exp->interpret(istate);
 	if (e == EXP_CANT_INTERPRET)
 	{
-	    //printf("cannot interpret %s\n", exp->toChars());
+	    //printf("-ExpStatement::interpret(): %p\n", e);
 	    return EXP_CANT_INTERPRET;
 	}
     }
@@ -364,20 +365,13 @@
     //if (e == EXP_CANT_INTERPRET) printf("cannot interpret\n");
     if (e != EXP_CANT_INTERPRET)
     {
-	if (!e->isConst())
-	{
-	    e = EXP_CANT_INTERPRET;
-	}
+	if (e->isBool(TRUE))
+	    e = ifbody ? ifbody->interpret(istate) : NULL;
+	else if (e->isBool(FALSE))
+	    e = elsebody ? elsebody->interpret(istate) : NULL;
 	else
 	{
-	    if (e->isBool(TRUE))
-		e = ifbody ? ifbody->interpret(istate) : NULL;
-	    else if (e->isBool(FALSE))
-		e = elsebody ? elsebody->interpret(istate) : NULL;
-	    else
-	    {
-		e = EXP_CANT_INTERPRET;
-	    }
+	    e = EXP_CANT_INTERPRET;
 	}
     }
     return e;
@@ -957,7 +951,7 @@
     {
 	if (v->isConst() && v->init)
 	{   e = v->init->toExpression();
-	    if (!e->type)
+	    if (e && !e->type)
 		e->type = v->type;
 	}
 	else
@@ -994,7 +988,7 @@
 #if LOG
     printf("DeclarationExp::interpret() %s\n", toChars());
 #endif
-    Expression *e = EXP_CANT_INTERPRET;
+    Expression *e;
     VarDeclaration *v = declaration->isVarDeclaration();
     if (v)
     {
@@ -1015,6 +1009,19 @@
 		e->type = v->type;
 	}
     }
+    else if (declaration->isAttribDeclaration() ||
+	     declaration->isTemplateMixin() ||
+	     declaration->isTupleDeclaration())
+    {	// These can be made to work, too lazy now
+	e = EXP_CANT_INTERPRET;
+    }
+    else
+    {	// Others should not contain executable code, so are trivial to evaluate
+	e = NULL;
+    }
+#if LOG
+    printf("-DeclarationExp::interpret(): %p\n", e);
+#endif
     return e;
 }
 
@@ -1084,7 +1091,7 @@
 		if (!expsx)
 		{   expsx = new Expressions();
 		    expsx->setDim(elements->dim);
-		    for (size_t j = 0; j < i; j++)
+		    for (size_t j = 0; j < elements->dim; j++)
 		    {
 			expsx->data[j] = elements->data[j];
 		    }
@@ -1342,6 +1349,7 @@
     if (e1 == EXP_CANT_INTERPRET)
 	goto Lcant;
     if (e1->isConst() != 1 &&
+	e1->op != TOKnull &&
 	e1->op != TOKstring &&
 	e1->op != TOKarrayliteral &&
 	e1->op != TOKstructliteral)
@@ -1351,6 +1359,7 @@
     if (e2 == EXP_CANT_INTERPRET)
 	goto Lcant;
     if (e2->isConst() != 1 &&
+	e2->op != TOKnull &&
 	e2->op != TOKstring &&
 	e2->op != TOKarrayliteral &&
 	e2->op != TOKstructliteral)
@@ -1420,7 +1429,14 @@
 	    if (fp)
 		e2 = (*fp)(v->type, ev, e2);
 	    else
+	    {	/* Look for special case of struct being initialized with 0.
+		 */
+		if (v->type->toBasetype()->ty == Tstruct && e2->op == TOKint64)
+		{
+		    e2 = v->type->defaultInit();
+		}
 		e2 = Cast(v->type, v->type, e2);
+	    }
 	    if (e2 != EXP_CANT_INTERPRET)
 	    {
 		if (!v->isParameter())
@@ -1453,9 +1469,15 @@
 	{   error("variable %s is used before initialization", v->toChars());
 	    return e;
 	}
-	if (v->value->op != TOKstructliteral)
+	Expression *vie = v->value;
+	if (vie->op == TOKvar)
+	{
+	    Declaration *d = ((VarExp *)vie)->var;
+	    vie = getVarExp(e1->loc, istate, d);
+	}
+	if (vie->op != TOKstructliteral)
 	    return EXP_CANT_INTERPRET;
-	StructLiteralExp *se = (StructLiteralExp *)v->value;
+	StructLiteralExp *se = (StructLiteralExp *)vie;
 	int fieldi = se->getFieldIndex(type, soe->offset);
 	if (fieldi == -1)
 	    return EXP_CANT_INTERPRET;
@@ -1843,6 +1865,10 @@
     {
 	e = ArrayLength(type, e1);
     }
+    else if (e1->op == TOKnull)
+    {
+	e = new IntegerExp(loc, 0, type);
+    }
     else
 	goto Lcant;
     return e;
diff -r c05ef76f1c20 -r 788401029ecf dmd/lexer.c
--- a/dmd/lexer.c	Thu Oct 04 01:47:53 2007 +0200
+++ b/dmd/lexer.c	Thu Oct 04 03:42:56 2007 +0200
@@ -459,7 +459,7 @@
     if (!p || !*p)
 	goto Linvalid;
 
-    if (isdigit(*p))
+    if (*p >= '0' && *p <= '9')		// beware of isdigit() on signed chars
 	goto Linvalid;
 
     len = strlen(p);
@@ -568,6 +568,23 @@
 		t->value = hexStringConstant(t);
 		return;
 
+#if V2
+	    case 'q':
+		if (p[1] == '"')
+		{
+		    p++;
+		    t->value = delimitedStringConstant(t);
+		    return;
+		}
+		else if (p[1] == '{')
+		{
+		    p++;
+		    t->value = tokenStringConstant(t);
+		    return;
+		}
+		else
+		    goto case_ident;
+#endif
 
 	    case '"':
 		t->value = escapeStringConstant(t,0);
@@ -598,7 +615,11 @@
 	    case 'a':  	case 'b':   case 'c':   case 'd':   case 'e':
 	    case 'f':  	case 'g':   case 'h':   case 'i':   case 'j':
 	    case 'k':  	            case 'm':   case 'n':   case 'o':
+#if V2
+	    case 'p':  	/*case 'q': case 'r':*/ case 's':   case 't':
+#else
 	    case 'p':  	case 'q': /*case 'r':*/ case 's':   case 't':
+#endif
 	    case 'u':  	case 'v':   case 'w': /*case 'x':*/ case 'y':
 	    case 'z':
 	    case 'A':  	case 'B':   case 'C':   case 'D':   case 'E':
@@ -1431,6 +1452,223 @@
     }
 }
 
+
+#if V2
+/**************************************
+ * Lex delimited strings:
+ *	q"(foo(xxx))"   // "foo(xxx)"
+ *	q"[foo(]"       // "foo("
+ *	q"/foo]/"       // "foo]"
+ *	q"HERE
+ *	foo
+ *	HERE"		// "foo\n"
+ * Input:
+ *	p is on the "
+ */
+
+TOK Lexer::delimitedStringConstant(Token *t)
+{   unsigned c;
+    Loc start = loc;
+    unsigned delimleft = 0;
+    unsigned delimright = 0;
+    unsigned nest = 1;
+    unsigned nestcount;
+    Identifier *hereid = NULL;
+    unsigned blankrol = 0;
+    unsigned startline = 0;
+
+    p++;
+    stringbuffer.reset();
+    while (1)
+    {
+	c = *p++;
+	//printf("c = '%c'\n", c);
+	switch (c)
+	{
+	    case '\n':
+	    Lnextline:
+printf("Lnextline\n");
+		loc.linnum++;
+		startline = 1;
+		if (blankrol)
+		{   blankrol = 0;
+		    continue;
+		}
+		if (hereid)
+		{
+		    stringbuffer.writeUTF8(c);
+		    continue;
+		}
+		break;
+
+	    case '\r':
+		if (*p == '\n')
+		    continue;	// ignore
+		c = '\n';	// treat EndOfLine as \n character
+		goto Lnextline;
+
+	    case 0:
+	    case 0x1A:
+		goto Lerror;
+
+	    default:
+		if (c & 0x80)
+		{   p--;
+		    c = decodeUTF();
+		    p++;
+		    if (c == PS || c == LS)
+			goto Lnextline;
+		}
+		break;
+	}
+	if (delimleft == 0)
+	{   delimleft = c;
+	    nest = 1;
+	    nestcount = 1;
+	    if (c == '(')
+		delimright = ')';
+	    else if (c == '{')
+		delimright = '}';
+	    else if (c == '[')
+		delimright = ']';
+	    else if (c == '<')
+		delimright = '>';
+	    else if (isalpha(c) || c == '_' || (c >= 0x80 && isUniAlpha(c)))
+	    {	// Start of identifier; must be a heredoc
+		Token t;
+		p--;
+		scan(&t);		// read in heredoc identifier
+		if (t.value != TOKidentifier)
+		{   error("identifier expected for heredoc, not %s", t.toChars());
+		    delimright = c;
+		}
+		else
+		{   hereid = t.ident;
+printf("hereid = '%s'\n", hereid->toChars());
+		    blankrol = 1;
+		}
+		nest = 0;
+	    }
+	    else
+	    {	delimright = c;
+		nest = 0;
+	    }
+	}
+	else
+	{
+	    if (blankrol)
+	    {	error("heredoc rest of line should be blank");
+		blankrol = 0;
+		continue;
+	    }
+	    if (nest == 1)
+	    {
+		if (c == delimleft)
+		    nestcount++;
+		else if (c == delimright)
+		{   nestcount--;
+		    if (nestcount == 0)
+			goto Ldone;
+		}
+	    }
+	    else if (c == delimright)
+		goto Ldone;
+	    if (startline && isalpha(c))
+	    {	Token t;
+		unsigned char *psave = p;
+		p--;
+		scan(&t);		// read in possible heredoc identifier
+printf("endid = '%s'\n", t.ident->toChars());
+		if (t.value == TOKidentifier && t.ident->equals(hereid))
+		{   /* should check that rest of line is blank
+		     */
+printf("done\n");
+		    goto Ldone;
+		}
+		p = psave;
+	    }
+	    stringbuffer.writeUTF8(c);
+	    startline = 0;
+	}
+    }
+
+Ldone:
+    if (*p == '"')
+	p++;
+    else
+	error("delimited string must end in %c\"", delimright);
+    t->len = stringbuffer.offset;
+    stringbuffer.writeByte(0);
+    t->ustring = (unsigned char *)mem.malloc(stringbuffer.offset);
+    memcpy(t->ustring, stringbuffer.data, stringbuffer.offset);
+    stringPostfix(t);
+    return TOKstring;
+
+Lerror:
+    error("unterminated string constant starting at %s", start.toChars());
+    t->ustring = (unsigned char *)"";
+    t->len = 0;
+    t->postfix = 0;
+    return TOKstring;
+}
+
+/**************************************
+ * Lex delimited strings:
+ *	q{ foo(xxx) } // " foo(xxx) "
+ *	q{foo(}       // "foo("
+ *	q{{foo}"}"}   // "{foo}"}""
+ * Input:
+ *	p is on the q
+ */
+
+TOK Lexer::tokenStringConstant(Token *t)
+{
+    unsigned nest = 1;
+    Loc start = loc;
+    unsigned char *pstart = ++p;
+
+    while (1)
+    {	Token tok;
+
+	scan(&tok);
+	switch (tok.value)
+	{
+	    case TOKlcurly:
+		nest++;
+		continue;
+
+	    case TOKrcurly:
+		if (--nest == 0)
+		    goto Ldone;
+		continue;
+
+	    case TOKeof:
+		goto Lerror;
+
+	    default:
+		continue;
+	}
+    }
+
+Ldone:
+    t->len = p - 1 - pstart;
+    t->ustring = (unsigned char *)mem.malloc(t->len + 1);
+    memcpy(t->ustring, pstart, t->len);
+    t->ustring[t->len] = 0;
+    stringPostfix(t);
+    return TOKstring;
+
+Lerror:
+    error("unterminated token string constant starting at %s", start.toChars());
+    t->ustring = (unsigned char *)"";
+    t->len = 0;
+    t->postfix = 0;
+    return TOKstring;
+}
+
+#endif
+
+
 /**************************************
  */
 
@@ -2641,6 +2879,9 @@
     // Added after 1.0
     {	"ref",		TOKref		},
     {	"macro",	TOKmacro	},
+#if V2
+    {	"__traits",	TOKtraits	},
+#endif
 };
 
 int Token::isKeyword()
diff -r c05ef76f1c20 -r 788401029ecf dmd/lexer.h
--- a/dmd/lexer.h	Thu Oct 04 01:47:53 2007 +0200
+++ b/dmd/lexer.h	Thu Oct 04 03:42:56 2007 +0200
@@ -150,6 +150,9 @@
 	// Added after 1.0
 	TOKref,
 	TOKmacro,
+#if V2
+	TOKtraits,
+#endif
 
 	TOKMAX
 };
@@ -266,6 +269,10 @@
     unsigned escapeSequence();
     TOK wysiwygStringConstant(Token *t, int tc);
     TOK hexStringConstant(Token *t);
+#if V2
+    TOK delimitedStringConstant(Token *t);
+    TOK tokenStringConstant(Token *t);
+#endif
     TOK escapeStringConstant(Token *t, int wide);
     TOK charConstant(Token *t, int wide);
     void stringPostfix(Token *t);
diff -r c05ef76f1c20 -r 788401029ecf dmd/mars.c
--- a/dmd/mars.c	Thu Oct 04 01:47:53 2007 +0200
+++ b/dmd/mars.c	Thu Oct 04 03:42:56 2007 +0200
@@ -68,7 +68,7 @@
     copyright = "Copyright (c) 1999-2007 by Digital Mars and Tomas Lindquist Olsen";
     written = "written by Walter Bright and Tomas Lindquist Olsen";
     llvmdc_version = "0.0.1";
-    version = "v1.020";
+    version = "v1.021";
     global.structalign = 8;
 
     memset(&params, 0, sizeof(Param));
@@ -282,6 +282,9 @@
     global.params.optimizeLevel = 2;
     global.params.runtimeImppath = 0;
 
+    global.params.defaultlibname = "phobos";
+    global.params.debuglibname = global.params.defaultlibname;
+
     // Predefine version identifiers
 #if IN_LLVM
     VersionCondition::addPredefinedGlobalIdent("LLVM");
@@ -474,7 +477,7 @@
         {
         global.params.runtimeImppath = p+2;
         }
-	    else if (memcmp(p + 1, "debug", 5) == 0)
+	    else if (memcmp(p + 1, "debug", 5) == 0 && p[6] != 'l')
 	    {
 		// Parse:
 		//	-debug
@@ -545,6 +548,14 @@
 	    {
 		global.params.linkswitches->push(p + 2);
 	    }
+	    else if (memcmp(p + 1, "defaultlib=", 11) == 0)
+	    {
+		global.params.defaultlibname = p + 1 + 11;
+	    }
+	    else if (memcmp(p + 1, "debuglib=", 9) == 0)
+	    {
+		global.params.debuglibname = p + 1 + 9;
+	    }
 	    else if (strcmp(p + 1, "run") == 0)
 	    {	global.params.run = 1;
 		global.params.runargs_length = ((i >= argcstart) ? argc : argcstart) - i - 1;
diff -r c05ef76f1c20 -r 788401029ecf dmd/mars.h
--- a/dmd/mars.h	Thu Oct 04 01:47:53 2007 +0200
+++ b/dmd/mars.h	Thu Oct 04 03:42:56 2007 +0200
@@ -94,6 +94,11 @@
 
     bool dump_source;
 
+    char *defaultlibname;	// default library for non-debug builds
+    char *debuglibname;		// default library for debug builds
+
+    char *xmlname;		// filename for XML output
+
     // Hidden debug switches
     char debuga;
     char debugb;
diff -r c05ef76f1c20 -r 788401029ecf dmd/parse.c
--- a/dmd/parse.c	Thu Oct 04 01:47:53 2007 +0200
+++ b/dmd/parse.c	Thu Oct 04 03:42:56 2007 +0200
@@ -3940,7 +3940,7 @@
 	    {   error("(type identifier : specialization) expected following is");
 		goto Lerr;
 	    }
-	    e = new IftypeExp(loc, targ, ident, tok, tspec, tok2);
+	    e = new IsExp(loc, targ, ident, tok, tspec, tok2);
 	    break;
 	}
 
diff -r c05ef76f1c20 -r 788401029ecf dmd/statement.c
--- a/dmd/statement.c	Thu Oct 04 01:47:53 2007 +0200
+++ b/dmd/statement.c	Thu Oct 04 03:42:56 2007 +0200
@@ -894,6 +894,7 @@
     sc->noctor--;
     condition = condition->semantic(sc);
     condition = resolveProperties(sc, condition);
+    condition = condition->optimize(WANTvalue);
 
     condition = condition->checkToBoolean();
 
@@ -979,6 +980,7 @@
     sc->noctor++;
     condition = condition->semantic(sc);
     condition = resolveProperties(sc, condition);
+    condition = condition->optimize(WANTvalue);
     condition = condition->checkToBoolean();
     if (increment)
 	increment = increment->semantic(sc);
@@ -1090,7 +1092,8 @@
 {
     Arguments *args = Argument::arraySyntaxCopy(arguments);
     Expression *exp = aggr->syntaxCopy();
-    ForeachStatement *s = new ForeachStatement(loc, op, args, exp, body->syntaxCopy());
+    ForeachStatement *s = new ForeachStatement(loc, op, args, exp,
+	body ? body->syntaxCopy() : NULL);
     return s;
 }
 
@@ -1255,7 +1258,7 @@
 	    /* Look for special case of parsing char types out of char type
 	     * array.
 	     */
-	    tn = tab->next->toBasetype();
+	    tn = tab->nextOf()->toBasetype();
 	    if (tn->ty == Tchar || tn->ty == Twchar || tn->ty == Tdchar)
 	    {	Argument *arg;
 
@@ -1311,9 +1314,6 @@
 		    error("foreach: %s is not an array of %s", tab->toChars(), value->type->toChars());
 	    }
 
-	    if (value->storage_class & STCout && value->type->toBasetype()->ty == Tbit)
-		error("foreach: value cannot be out and type bit");
-
 	    if (key &&
 		((key->type->ty != Tint32 && key->type->ty != Tuns32) ||
 		 (global.params.is64bit &&
@@ -1356,7 +1356,7 @@
 	    Identifier *id;
 	    Type *tret;
 
-	    tret = func->type->next;
+	    tret = func->type->nextOf();
 
 	    // Need a variable to hold value from any return statements in body.
 	    if (!sc->func->vresult && tret && tret != Type::tvoid)
@@ -1430,8 +1430,8 @@
 			error("foreach: index must be type %s, not %s", taa->index->toChars(), arg->type->toChars());
 		    arg = (Argument *)arguments->data[1];
 		}
-		if (!arg->type->equals(taa->next))
-		    error("foreach: value must be type %s, not %s", taa->next->toChars(), arg->type->toChars());
+		if (!arg->type->equals(taa->nextOf()))
+		    error("foreach: value must be type %s, not %s", taa->nextOf()->toChars(), arg->type->toChars());
 
 		/* Call:
 		 *	_aaApply(aggr, keysize, flde)
@@ -1982,7 +1982,7 @@
 	// If it's not an array, cast it to one
 	if (condition->type->ty != Tarray)
 	{
-	    condition = condition->implicitCastTo(sc, condition->type->next->arrayOf());
+	    condition = condition->implicitCastTo(sc, condition->type->nextOf()->arrayOf());
 	}
     }
     else
@@ -2122,6 +2122,7 @@
 Statement *CaseStatement::semantic(Scope *sc)
 {   SwitchStatement *sw = sc->sw;
 
+    //printf("CaseStatement::semantic() %s\n", toChars());
     exp = exp->semantic(sc);
     if (sw)
     {	int i;
@@ -2390,9 +2391,9 @@
 	}
     }
 
-    Type *tret = fd->type->next;
+    Type *tret = fd->type->nextOf();
     if (fd->tintro)
-	tret = fd->tintro->next;
+	tret = fd->tintro->nextOf();
     Type *tbret = NULL;
 
     if (tret)
@@ -2452,18 +2453,18 @@
 	}
 	else if (fd->inferRetType)
 	{
-	    if (fd->type->next)
+	    if (fd->type->nextOf())
 	    {
-		if (!exp->type->equals(fd->type->next))
+		if (!exp->type->equals(fd->type->nextOf()))
 		    error("mismatched function return type inference of %s and %s",
-			exp->type->toChars(), fd->type->next->toChars());
+			exp->type->toChars(), fd->type->nextOf()->toChars());
 	    }
 	    else
 	    {
 		fd->type->next = exp->type;
 		fd->type = fd->type->semantic(loc, sc);
 		if (!fd->tintro)
-		{   tret = fd->type->next;
+		{   tret = fd->type->nextOf();
 		    tbret = tret->toBasetype();
 		}
 	    }
@@ -2475,11 +2476,11 @@
     }
     else if (fd->inferRetType)
     {
-	if (fd->type->next)
+	if (fd->type->nextOf())
 	{
-	    if (fd->type->next->ty != Tvoid)
+	    if (fd->type->nextOf()->ty != Tvoid)
 		error("mismatched function return type inference of void and %s",
-		    fd->type->next->toChars());
+		    fd->type->nextOf()->toChars());
 	}
 	else
 	{
@@ -2510,7 +2511,7 @@
 	    sc->fes->cases.push(this);
 	    s = new ReturnStatement(0, new IntegerExp(sc->fes->cases.dim + 1));
 	}
-	else if (fd->type->next->toBasetype() == Type::tvoid)
+	else if (fd->type->nextOf()->toBasetype() == Type::tvoid)
 	{
 	    Statement *s1;
 	    Statement *s2;
diff -r c05ef76f1c20 -r 788401029ecf dmd/staticassert.c
--- a/dmd/staticassert.c	Thu Oct 04 01:47:53 2007 +0200
+++ b/dmd/staticassert.c	Thu Oct 04 03:42:56 2007 +0200
@@ -49,6 +49,7 @@
 {
     Expression *e;
 
+    //printf("StaticAssert::semantic2() %s\n", toChars());
     e = exp->semantic(sc);
     e = e->optimize(WANTvalue | WANTinterpret);
     if (e->isBool(FALSE))
diff -r c05ef76f1c20 -r 788401029ecf dmd/template.c
--- a/dmd/template.c	Thu Oct 04 01:47:53 2007 +0200
+++ b/dmd/template.c	Thu Oct 04 03:42:56 2007 +0200
@@ -1232,7 +1232,7 @@
 	    return (MATCH) implicitConvTo(at);
 	}
 	else if (ty == Tsarray && at->ty == Tarray &&
-	    next->equals(at->nextOf()))
+	    nextOf()->equals(at->nextOf()))
 	{
 	    goto Lexact;
 	}
@@ -3278,7 +3278,6 @@
 	else if (ea)
 	{   sinteger_t v;
 	    real_t r;
-	    unsigned char *p;
 
 	    if (ea->op == TOKvar)
 	    {
@@ -3298,6 +3297,8 @@
 		continue;
 	    }
 #if 1
+	    /* Use deco that matches what it would be for a function parameter
+	     */
 	    buf.writestring(ea->type->deco);
 #else
 	    // Use type of parameter, not type of argument