--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dmd/declaration.c	Sat Sep 01 21:43:27 2007 +0200
@@ -0,0 +1,1260 @@
+
+// Compiler implementation of the D programming language
+// Copyright (c) 1999-2007 by Digital Mars
+// All Rights Reserved
+// written by Walter Bright
+// http://www.digitalmars.com
+// License for redistribution is by either the Artistic License
+// in artistic.txt, or the GNU General Public License in gnu.txt.
+// See the included readme.txt for details.
+
+#include <stdio.h>
+#include <assert.h>
+
+#include "init.h"
+#include "declaration.h"
+#include "attrib.h"
+#include "mtype.h"
+#include "template.h"
+#include "scope.h"
+#include "aggregate.h"
+#include "module.h"
+#include "id.h"
+#include "expression.h"
+#include "hdrgen.h"
+
+/********************************* Declaration ****************************/
+
+Declaration::Declaration(Identifier *id)
+    : Dsymbol(id)
+{
+    type = NULL;
+    storage_class = STCundefined;
+    protection = PROTundefined;
+    linkage = LINKdefault;
+}
+
+void Declaration::semantic(Scope *sc)
+{
+}
+
+char *Declaration::kind()
+{
+    return "declaration";
+}
+
+unsigned Declaration::size(Loc loc)
+{
+    assert(type);
+    return type->size();
+}
+
+int Declaration::isStaticConstructor()
+{
+    return FALSE;
+}
+
+int Declaration::isStaticDestructor()
+{
+    return FALSE;
+}
+
+int Declaration::isDelete()
+{
+    return FALSE;
+}
+
+int Declaration::isDataseg()
+{
+    return FALSE;
+}
+
+int Declaration::isCodeseg()
+{
+    return FALSE;
+}
+
+enum PROT Declaration::prot()
+{
+    return protection;
+}
+
+/********************************* TupleDeclaration ****************************/
+
+TupleDeclaration::TupleDeclaration(Loc loc, Identifier *id, Objects *objects)
+    : Declaration(id)
+{
+    this->type = NULL;
+    this->objects = objects;
+    this->isexp = 0;
+    this->tupletype = NULL;
+}
+
+Dsymbol *TupleDeclaration::syntaxCopy(Dsymbol *s)
+{
+    assert(0);
+    return NULL;
+}
+
+char *TupleDeclaration::kind()
+{
+    return "tuple";
+}
+
+Type *TupleDeclaration::getType()
+{
+    /* If this tuple represents a type, return that type
+     */
+
+    //printf("TupleDeclaration::getType() %s\n", toChars());
+    if (isexp)
+	return NULL;
+    if (!tupletype)
+    {
+	/* It's only a type tuple if all the Object's are types
+	 */
+	for (size_t i = 0; i < objects->dim; i++)
+	{   Object *o = (Object *)objects->data[i];
+
+	    if (o->dyncast() != DYNCAST_TYPE)
+	    {
+		//printf("\tnot[%d], %p, %d\n", i, o, o->dyncast());
+		return NULL;
+	    }
+	}
+
+	/* We know it's a type tuple, so build the TypeTuple
+	 */
+	Arguments *args = new Arguments();
+	args->setDim(objects->dim);
+	OutBuffer buf;
+	for (size_t i = 0; i < objects->dim; i++)
+	{   Type *t = (Type *)objects->data[i];
+
+	    //printf("type = %s\n", t->toChars());
+#if 0
+	    buf.printf("_%s_%d", ident->toChars(), i);
+	    char *name = (char *)buf.extractData();
+	    Identifier *id = new Identifier(name, TOKidentifier);
+	    Argument *arg = new Argument(STCin, t, id, NULL);
+#else
+	    Argument *arg = new Argument(STCin, t, NULL, NULL);
+#endif
+	    args->data[i] = (void *)arg;
+	}
+
+	tupletype = new TypeTuple(args);
+    }
+
+    return tupletype;
+}
+
+int TupleDeclaration::needThis()
+{
+    //printf("TupleDeclaration::needThis(%s)\n", toChars());
+    for (size_t i = 0; i < objects->dim; i++)
+    {   Object *o = (Object *)objects->data[i];
+	if (o->dyncast() == DYNCAST_EXPRESSION)
+	{   Expression *e = (Expression *)o;
+	    if (e->op == TOKdsymbol)
+	    {	DsymbolExp *ve = (DsymbolExp *)e;
+		Declaration *d = ve->s->isDeclaration();
+		if (d && d->needThis())
+		{
+		    return 1;
+		}
+	    }
+	}
+    }
+    return 0;
+}
+
+/********************************* TypedefDeclaration ****************************/
+
+TypedefDeclaration::TypedefDeclaration(Loc loc, Identifier *id, Type *basetype, Initializer *init)
+    : Declaration(id)
+{
+    this->type = new TypeTypedef(this);
+    this->basetype = basetype->toBasetype();
+    this->init = init;
+#ifdef _DH
+    this->htype = NULL;
+    this->hbasetype = NULL;
+#endif
+    this->sem = 0;
+    this->inuse = 0;
+    this->loc = loc;
+    this->sinit = NULL;
+}
+
+Dsymbol *TypedefDeclaration::syntaxCopy(Dsymbol *s)
+{
+    Type *basetype = this->basetype->syntaxCopy();
+
+    Initializer *init = NULL;
+    if (this->init)
+	init = this->init->syntaxCopy();
+
+    assert(!s);
+    TypedefDeclaration *st;
+    st = new TypedefDeclaration(loc, ident, basetype, init);
+#ifdef _DH
+    // Syntax copy for header file
+    if (!htype)      // Don't overwrite original
+    {	if (type)    // Make copy for both old and new instances
+	{   htype = type->syntaxCopy();
+	    st->htype = type->syntaxCopy();
+	}
+    }
+    else            // Make copy of original for new instance
+        st->htype = htype->syntaxCopy();
+    if (!hbasetype)
+    {	if (basetype)
+	{   hbasetype = basetype->syntaxCopy();
+	    st->hbasetype = basetype->syntaxCopy();
+	}
+    }
+    else
+        st->hbasetype = hbasetype->syntaxCopy();
+#endif
+    return st;
+}
+
+void TypedefDeclaration::semantic(Scope *sc)
+{
+    //printf("TypedefDeclaration::semantic(%s) sem = %d\n", toChars(), sem);
+    if (sem == 0)
+    {	sem = 1;
+	basetype = basetype->semantic(loc, sc);
+	sem = 2;
+	type = type->semantic(loc, sc);
+	if (sc->parent->isFuncDeclaration() && init)
+	    semantic2(sc);
+    }
+    else if (sem == 1)
+    {
+	error("circular definition");
+    }
+}
+
+void TypedefDeclaration::semantic2(Scope *sc)
+{
+    //printf("TypedefDeclaration::semantic2(%s) sem = %d\n", toChars(), sem);
+    if (sem == 2)
+    {	sem = 3;
+	if (init)
+	{
+	    init = init->semantic(sc, basetype);
+
+	    ExpInitializer *ie = init->isExpInitializer();
+	    if (ie)
+	    {
+		if (ie->exp->type == basetype)
+		    ie->exp->type = type;
+	    }
+	}
+    }
+}
+
+char *TypedefDeclaration::kind()
+{
+    return "typedef";
+}
+
+Type *TypedefDeclaration::getType()
+{
+    return type;
+}
+
+void TypedefDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
+{
+    buf->writestring("typedef ");
+    basetype->toCBuffer(buf, ident, hgs);
+    if (init)
+    {
+	buf->writestring(" = ");
+	init->toCBuffer(buf, hgs);
+    }
+    buf->writeByte(';');
+    buf->writenl();
+}
+
+/********************************* AliasDeclaration ****************************/
+
+AliasDeclaration::AliasDeclaration(Loc loc, Identifier *id, Type *type)
+    : Declaration(id)
+{
+    //printf("AliasDeclaration(id = '%s', type = %p)\n", id->toChars(), type);
+    //printf("type = '%s'\n", type->toChars());
+    this->loc = loc;
+    this->type = type;
+    this->aliassym = NULL;
+#ifdef _DH
+    this->htype = NULL;
+    this->haliassym = NULL;
+#endif
+    this->overnext = NULL;
+    this->inSemantic = 0;
+    assert(type);
+}
+
+AliasDeclaration::AliasDeclaration(Loc loc, Identifier *id, Dsymbol *s)
+    : Declaration(id)
+{
+    //printf("AliasDeclaration(id = '%s', s = %p)\n", id->toChars(), s);
+    assert(s != this);
+    this->loc = loc;
+    this->type = NULL;
+    this->aliassym = s;
+#ifdef _DH
+    this->htype = NULL;
+    this->haliassym = NULL;
+#endif
+    this->overnext = NULL;
+    this->inSemantic = 0;
+    assert(s);
+}
+
+Dsymbol *AliasDeclaration::syntaxCopy(Dsymbol *s)
+{
+    assert(!s);
+    AliasDeclaration *sa;
+    if (type)
+	sa = new AliasDeclaration(loc, ident, type->syntaxCopy());
+    else
+	sa = new AliasDeclaration(loc, ident, aliassym->syntaxCopy(NULL));
+#ifdef _DH
+    // Syntax copy for header file
+    if (!htype)	    // Don't overwrite original
+    {	if (type)	// Make copy for both old and new instances
+	{   htype = type->syntaxCopy();
+	    sa->htype = type->syntaxCopy();
+	}
+    }
+    else			// Make copy of original for new instance
+	sa->htype = htype->syntaxCopy();
+    if (!haliassym)
+    {	if (aliassym)
+	{   haliassym = aliassym->syntaxCopy(s);
+	    sa->haliassym = aliassym->syntaxCopy(s);
+	}
+    }
+    else
+	sa->haliassym = haliassym->syntaxCopy(s);
+#endif
+    return sa;
+}
+
+void AliasDeclaration::semantic(Scope *sc)
+{
+    //printf("AliasDeclaration::semantic() %s\n", toChars());
+    if (aliassym)
+    {
+	if (aliassym->isTemplateInstance())
+	    aliassym->semantic(sc);
+	return;
+    }
+    this->inSemantic = 1;
+
+    if (storage_class & STCconst)
+	error("cannot be const");
+
+    storage_class |= sc->stc & STCdeprecated;
+
+    // Given:
+    //	alias foo.bar.abc def;
+    // it is not knowable from the syntax whether this is an alias
+    // for a type or an alias for a symbol. It is up to the semantic()
+    // pass to distinguish.
+    // If it is a type, then type is set and getType() will return that
+    // type. If it is a symbol, then aliassym is set and type is NULL -
+    // toAlias() will return aliasssym.
+
+    Dsymbol *s;
+    Type *t;
+    Expression *e;
+
+    /* This section is needed because resolve() will:
+     *   const x = 3;
+     *   alias x y;
+     * try to alias y to 3.
+     */
+    s = type->toDsymbol(sc);
+    if (s)
+	goto L2;			// it's a symbolic alias
+
+    //printf("alias type is %s\n", type->toChars());
+    type->resolve(loc, sc, &e, &t, &s);
+    if (s)
+    {
+	goto L2;
+    }
+    else if (e)
+    {
+	// Try to convert Expression to Dsymbol
+        if (e->op == TOKvar)
+	{   s = ((VarExp *)e)->var;
+	    goto L2;
+	}
+        else if (e->op == TOKfunction)
+	{   s = ((FuncExp *)e)->fd;
+	    goto L2;
+	}
+        else
+	{   error("cannot alias an expression %s", e->toChars());
+	    t = e->type;
+	}
+    }
+    else if (t)
+	type = t;
+    if (overnext)
+	ScopeDsymbol::multiplyDefined(0, this, overnext);
+    this->inSemantic = 0;
+    return;
+
+  L2:
+    //printf("alias is a symbol %s %s\n", s->kind(), s->toChars());
+    type = NULL;
+    VarDeclaration *v = s->isVarDeclaration();
+    if (v && v->linkage == LINKdefault)
+    {
+	error("forward reference of %s", v->toChars());
+	s = NULL;
+    }
+    else
+    {
+	FuncDeclaration *f = s->toAlias()->isFuncDeclaration();
+	if (f)
+	{
+	    if (overnext)
+	    {
+		FuncAliasDeclaration *fa = new FuncAliasDeclaration(f);
+		if (!fa->overloadInsert(overnext))
+		    ScopeDsymbol::multiplyDefined(0, f, overnext);
+		overnext = NULL;
+		s = fa;
+		s->parent = sc->parent;
+	    }
+	}
+	if (overnext)
+	    ScopeDsymbol::multiplyDefined(0, s, overnext);
+	if (s == this)
+	{
+	    assert(global.errors);
+	    s = NULL;
+	}
+    }
+    aliassym = s;
+    this->inSemantic = 0;
+}
+
+int AliasDeclaration::overloadInsert(Dsymbol *s)
+{
+    /* Don't know yet what the aliased symbol is, so assume it can
+     * be overloaded and check later for correctness.
+     */
+
+    //printf("AliasDeclaration::overloadInsert('%s')\n", s->toChars());
+    if (overnext == NULL)
+    {	overnext = s;
+	return TRUE;
+    }
+    else
+    {
+	return overnext->overloadInsert(s);
+    }
+}
+
+char *AliasDeclaration::kind()
+{
+    return "alias";
+}
+
+Type *AliasDeclaration::getType()
+{
+    return type;
+}
+
+Dsymbol *AliasDeclaration::toAlias()
+{
+    //printf("AliasDeclaration::toAlias('%s', this = %p, aliassym = %p, kind = '%s')\n", toChars(), this, aliassym, aliassym ? aliassym->kind() : "");
+    assert(this != aliassym);
+    //static int count; if (++count == 10) *(char*)0=0;
+    if (inSemantic)
+    {	error("recursive alias declaration");
+//	return this;
+    }
+    Dsymbol *s = aliassym ? aliassym->toAlias() : this;
+    return s;
+}
+
+void AliasDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
+{
+    buf->writestring("alias ");
+#if 0 && _DH
+    if (hgs->hdrgen)
+    {
+	if (haliassym)
+	{
+	    haliassym->toCBuffer(buf, hgs);
+	    buf->writeByte(' ');
+	    buf->writestring(ident->toChars());
+	}
+	else
+	    htype->toCBuffer(buf, ident, hgs);
+    }
+    else
+#endif
+    {
+	if (aliassym)
+	{
+	    aliassym->toCBuffer(buf, hgs);
+	    buf->writeByte(' ');
+	    buf->writestring(ident->toChars());
+	}
+	else
+	    type->toCBuffer(buf, ident, hgs);
+    }
+    buf->writeByte(';');
+    buf->writenl();
+}
+
+/********************************* VarDeclaration ****************************/
+
+VarDeclaration::VarDeclaration(Loc loc, Type *type, Identifier *id, Initializer *init)
+    : Declaration(id)
+{
+    //printf("VarDeclaration('%s')\n", id->toChars());
+#ifdef DEBUG
+    if (!type && !init)
+    {	printf("VarDeclaration('%s')\n", id->toChars());
+	//*(char*)0=0;
+    }
+#endif
+    assert(type || init);
+    this->type = type;
+    this->init = init;
+#ifdef _DH
+    this->htype = NULL;
+    this->hinit = NULL;
+#endif
+    this->loc = loc;
+    offset = 0;
+    noauto = 0;
+    nestedref = 0;
+    inuse = 0;
+    ctorinit = 0;
+    aliassym = NULL;
+    onstack = 0;
+    canassign = 0;
+    value = NULL;
+}
+
+Dsymbol *VarDeclaration::syntaxCopy(Dsymbol *s)
+{
+    //printf("VarDeclaration::syntaxCopy(%s)\n", toChars());
+
+    VarDeclaration *sv;
+    if (s)
+    {	sv = (VarDeclaration *)s;
+    }
+    else
+    {
+	Initializer *init = NULL;
+	if (this->init)
+	{   init = this->init->syntaxCopy();
+	    //init->isExpInitializer()->exp->print();
+	    //init->isExpInitializer()->exp->dump(0);
+	}
+
+	sv = new VarDeclaration(loc, type ? type->syntaxCopy() : NULL, ident, init);
+	sv->storage_class = storage_class;
+    }
+#ifdef _DH
+    // Syntax copy for header file
+    if (!htype)      // Don't overwrite original
+    {	if (type)    // Make copy for both old and new instances
+	{   htype = type->syntaxCopy();
+	    sv->htype = type->syntaxCopy();
+	}
+    }
+    else            // Make copy of original for new instance
+        sv->htype = htype->syntaxCopy();
+    if (!hinit)
+    {	if (init)
+	{   hinit = init->syntaxCopy();
+	    sv->hinit = init->syntaxCopy();
+	}
+    }
+    else
+        sv->hinit = hinit->syntaxCopy();
+#endif
+    return sv;
+}
+
+void VarDeclaration::semantic(Scope *sc)
+{
+    //printf("VarDeclaration::semantic('%s', parent = '%s')\n", toChars(), sc->parent->toChars());
+    //printf("type = %s\n", type->toChars());
+    //printf("linkage = %d\n", sc->linkage);
+    //if (strcmp(toChars(), "mul") == 0) halt();
+
+    storage_class |= sc->stc;
+    if (storage_class & STCextern && init)
+	error("extern symbols cannot have initializers");
+
+    /* If auto type inference, do the inference
+     */
+    int inferred = 0;
+    if (!type)
+    {	inuse++;
+	type = init->inferType(sc);
+	inuse--;
+	inferred = 1;
+
+	/* This is a kludge to support the existing syntax for RAII
+	 * declarations.
+	 */
+	storage_class &= ~STCauto;
+    }
+    else
+	type = type->semantic(loc, sc);
+
+    type->checkDeprecated(loc, sc);
+    linkage = sc->linkage;
+    this->parent = sc->parent;
+    //printf("this = %p, parent = %p, '%s'\n", this, parent, parent->toChars());
+    protection = sc->protection;
+    //printf("sc->stc = %x\n", sc->stc);
+    //printf("storage_class = %x\n", storage_class);
+
+    Dsymbol *parent = toParent();
+    FuncDeclaration *fd = parent->isFuncDeclaration();
+
+    Type *tb = type->toBasetype();
+    if (tb->ty == Tvoid && !(storage_class & STClazy))
+    {	error("voids have no value");
+	type = Type::terror;
+	tb = type;
+    }
+    if (tb->ty == Tfunction)
+    {	error("cannot be declared to be a function");
+	type = Type::terror;
+	tb = type;
+    }
+    if (tb->ty == Tstruct)
+    {	TypeStruct *ts = (TypeStruct *)tb;
+
+	if (!ts->sym->members)
+	{
+	    error("no definition of struct %s", ts->toChars());
+	}
+    }
+
+    if (tb->ty == Ttuple)
+    {   /* Instead, declare variables for each of the tuple elements
+	 * and add those.
+	 */
+	TypeTuple *tt = (TypeTuple *)tb;
+	size_t nelems = Argument::dim(tt->arguments);
+	Objects *exps = new Objects();
+	exps->setDim(nelems);
+
+	for (size_t i = 0; i < nelems; i++)
+	{   Argument *arg = Argument::getNth(tt->arguments, i);
+
+	    OutBuffer buf;
+	    buf.printf("_%s_field_%zu", ident->toChars(), i);
+	    buf.writeByte(0);
+	    char *name = (char *)buf.extractData();
+	    Identifier *id = new Identifier(name, TOKidentifier);
+
+	    VarDeclaration *v = new VarDeclaration(loc, arg->type, id, NULL);
+	    //printf("declaring field %s of type %s\n", v->toChars(), v->type->toChars());
+	    v->semantic(sc);
+
+	    if (sc->scopesym)
+	    {	//printf("adding %s to %s\n", v->toChars(), sc->scopesym->toChars());
+		if (sc->scopesym->members)
+		    sc->scopesym->members->push(v);
+	    }
+
+	    Expression *e = new DsymbolExp(loc, v);
+	    exps->data[i] = e;
+	}
+	TupleDeclaration *v2 = new TupleDeclaration(loc, ident, exps);
+	v2->isexp = 1;
+	aliassym = v2;
+	return;
+    }
+
+    if (storage_class & STCconst && !init && !fd)
+	// Initialize by constructor only
+	storage_class = (storage_class & ~STCconst) | STCctorinit;
+
+    if (isConst())
+    {
+    }
+    else if (isStatic())
+    {
+    }
+    else if (isSynchronized())
+    {
+	error("variable %s cannot be synchronized", toChars());
+    }
+    else if (isOverride())
+    {
+	error("override cannot be applied to variable");
+    }
+    else if (isAbstract())
+    {
+	error("abstract cannot be applied to variable");
+    }
+    else if (storage_class & STCtemplateparameter)
+    {
+    }
+    else
+    {
+	AggregateDeclaration *aad = sc->anonAgg;
+	if (!aad)
+	    aad = parent->isAggregateDeclaration();
+	if (aad)
+	{
+	    aad->addField(sc, this);
+	}
+
+	InterfaceDeclaration *id = parent->isInterfaceDeclaration();
+	if (id)
+	{
+	    error("field not allowed in interface");
+	}
+
+	TemplateInstance *ti = parent->isTemplateInstance();
+	if (ti)
+	{
+	    // Take care of nested templates
+	    while (1)
+	    {
+		TemplateInstance *ti2 = ti->tempdecl->parent->isTemplateInstance();
+		if (!ti2)
+		    break;
+		ti = ti2;
+	    }
+
+	    // If it's a member template
+	    AggregateDeclaration *ad = ti->tempdecl->isMember();
+	    if (ad && storage_class != STCundefined)
+	    {
+		error("cannot use template to add field to aggregate '%s'", ad->toChars());
+	    }
+	}
+    }
+
+    if (type->isauto() && !noauto)
+    {
+	if (storage_class & (STCfield | STCout | STCref | STCstatic) || !fd)
+	{
+	    error("globals, statics, fields, ref and out parameters cannot be auto");
+	}
+
+	if (!(storage_class & (STCauto | STCscope)))
+	{
+	    if (!(storage_class & STCparameter) && ident != Id::withSym)
+		error("reference to scope class must be scope");
+	}
+    }
+
+    if (!init && !sc->inunion && !isStatic() && !isConst() && fd &&
+	!(storage_class & (STCfield | STCin | STCforeach)))
+    {
+	// Provide a default initializer
+	//printf("Providing default initializer for '%s'\n", toChars());
+	if (type->ty == Tstruct &&
+	    ((TypeStruct *)type)->sym->zeroInit == 1)
+	{
+	    Expression *e = new IntegerExp(loc, 0, Type::tint32);
+	    Expression *e1;
+	    e1 = new VarExp(loc, this);
+	    e = new AssignExp(loc, e1, e);
+	    e->type = e1->type;
+	    init = new ExpInitializer(loc, e/*->type->defaultInit()*/);
+	    return;
+	}
+	else if (type->ty == Ttypedef)
+	{   TypeTypedef *td = (TypeTypedef *)type;
+	    if (td->sym->init)
+	    {	init = td->sym->init;
+		ExpInitializer *ie = init->isExpInitializer();
+		if (ie)
+		    // Make copy so we can modify it
+		    init = new ExpInitializer(ie->loc, ie->exp);
+	    }
+	    else
+		init = getExpInitializer();
+	}
+	else
+	{
+	    init = getExpInitializer();
+	}
+    }
+
+    if (init)
+    {
+	ArrayInitializer *ai = init->isArrayInitializer();
+	if (ai && type->toBasetype()->ty == Taarray)
+	{
+	    init = ai->toAssocArrayInitializer();
+	}
+
+	ExpInitializer *ei = init->isExpInitializer();
+
+	// See if we can allocate on the stack
+	if (ei && isScope() && ei->exp->op == TOKnew)
+	{   NewExp *ne = (NewExp *)ei->exp;
+	    if (!(ne->newargs && ne->newargs->dim))
+	    {	ne->onstack = 1;
+		onstack = 1;
+		if (type->isBaseOf(ne->newtype->semantic(loc, sc), NULL))
+		    onstack = 2;
+	    }
+	}
+
+	// If inside function, there is no semantic3() call
+	if (sc->func)
+	{
+	    // If local variable, use AssignExp to handle all the various
+	    // possibilities.
+	    if (fd && !isStatic() && !isConst() && !init->isVoidInitializer())
+	    {
+		Expression *e1;
+		Type *t;
+		int dim;
+
+		//printf("fd = '%s', var = '%s'\n", fd->toChars(), toChars());
+		if (!ei)
+		{
+		    Expression *e = init->toExpression();
+		    if (!e)
+		    {
+			init = init->semantic(sc, type);
+			e = init->toExpression();
+			if (!e)
+			{   error("is not a static and cannot have static initializer");
+			    return;
+			}
+		    }
+		    ei = new ExpInitializer(init->loc, e);
+		    init = ei;
+		}
+
+		e1 = new VarExp(loc, this);
+
+		t = type->toBasetype();
+		if (t->ty == Tsarray)
+		{
+		    dim = ((TypeSArray *)t)->dim->toInteger();
+		    // If multidimensional static array, treat as one large array
+		    while (1)
+		    {
+			t = t->next->toBasetype();
+			if (t->ty != Tsarray)
+			    break;
+			if (t->next->toBasetype()->ty == Tbit)
+			    // t->size() gives size in bytes, convert to bits
+			    dim *= t->size() * 8;
+			else
+			    dim *= ((TypeSArray *)t)->dim->toInteger();
+			e1->type = new TypeSArray(t->next, new IntegerExp(0, dim, Type::tindex));
+		    }
+		    e1 = new SliceExp(loc, e1, NULL, NULL);
+		}
+		else if (t->ty == Tstruct)
+		{
+		    ei->exp = ei->exp->semantic(sc);
+		    if (!ei->exp->implicitConvTo(type))
+			ei->exp = new CastExp(loc, ei->exp, type);
+		}
+		ei->exp = new AssignExp(loc, e1, ei->exp);
+		ei->exp->op = TOKconstruct;
+		canassign++;
+		ei->exp = ei->exp->semantic(sc);
+		canassign--;
+		ei->exp->optimize(WANTvalue);
+	    }
+	    else
+	    {
+		init = init->semantic(sc, type);
+		if (fd && isConst() && !isStatic())
+		{   // Make it static
+		    storage_class |= STCstatic;
+		}
+	    }
+	}
+	else if (isConst() || isFinal())
+	{
+	    /* Because we may need the results of a const declaration in a
+	     * subsequent type, such as an array dimension, before semantic2()
+	     * gets ordinarily run, try to run semantic2() now.
+	     * Ignore failure.
+	     */
+
+	    if (ei && !global.errors && !inferred)
+	    {
+		unsigned errors = global.errors;
+		global.gag++;
+		//printf("+gag\n");
+		Expression *e = ei->exp->syntaxCopy();
+		inuse++;
+		e = e->semantic(sc);
+		inuse--;
+		e = e->implicitCastTo(sc, type);
+		global.gag--;
+		//printf("-gag\n");
+		if (errors != global.errors)	// if errors happened
+		{
+		    if (global.gag == 0)
+			global.errors = errors;	// act as if nothing happened
+		}
+		else
+		{
+		    e = e->optimize(WANTvalue | WANTinterpret);
+		    if (e->op == TOKint64 || e->op == TOKstring)
+		    {
+			ei->exp = e;		// no errors, keep result
+		    }
+		}
+	    }
+	}
+    }
+}
+
+ExpInitializer *VarDeclaration::getExpInitializer()
+{
+    ExpInitializer *ei;
+
+    if (init)
+	ei = init->isExpInitializer();
+    else
+    {
+	Expression *e = type->defaultInit();
+	if (e)
+	    ei = new ExpInitializer(loc, e);
+	else
+	    ei = NULL;
+    }
+    return ei;
+}
+
+void VarDeclaration::semantic2(Scope *sc)
+{
+    //printf("VarDeclaration::semantic2('%s')\n", toChars());
+    if (init && !toParent()->isFuncDeclaration())
+    {	inuse++;
+#if 0
+	ExpInitializer *ei = init->isExpInitializer();
+	if (ei)
+	{
+	    ei->exp->dump(0);
+	    printf("type = %p\n", ei->exp->type);
+	}
+#endif
+	init = init->semantic(sc, type);
+	inuse--;
+    }
+}
+
+char *VarDeclaration::kind()
+{
+    return "variable";
+}
+
+Dsymbol *VarDeclaration::toAlias()
+{
+    //printf("VarDeclaration::toAlias('%s', this = %p, aliassym = %p)\n", toChars(), this, aliassym);
+    assert(this != aliassym);
+    Dsymbol *s = aliassym ? aliassym->toAlias() : this;
+    return s;
+}
+
+void VarDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
+{
+    if (storage_class & STCconst)
+	buf->writestring("const ");
+    if (storage_class & STCstatic)
+	buf->writestring("static ");
+    if (type)
+	type->toCBuffer(buf, ident, hgs);
+    else
+	buf->writestring(ident->toChars());
+    if (init)
+    {	buf->writestring(" = ");
+	init->toCBuffer(buf, hgs);
+    }
+    buf->writeByte(';');
+    buf->writenl();
+}
+
+int VarDeclaration::needThis()
+{
+    //printf("VarDeclaration::needThis(%s, x%x)\n", toChars(), storage_class);
+    return storage_class & STCfield;
+}
+
+int VarDeclaration::isImportedSymbol()
+{
+    if (protection == PROTexport && !init && (isStatic() || isConst() || parent->isModule()))
+	return TRUE;
+    return FALSE;
+}
+
+void VarDeclaration::checkCtorConstInit()
+{
+    if (ctorinit == 0 && isCtorinit() && !(storage_class & STCfield))
+	error("missing initializer in static constructor for const variable");
+}
+
+/************************************
+ * Check to see if variable is a reference to an enclosing function
+ * or not.
+ */
+
+void VarDeclaration::checkNestedReference(Scope *sc, Loc loc)
+{
+    if (!isDataseg() && parent != sc->parent && parent)
+    {
+	FuncDeclaration *fdv = toParent()->isFuncDeclaration();
+	FuncDeclaration *fdthis = sc->parent->isFuncDeclaration();
+
+	if (fdv && fdthis)
+	{
+	    if (loc.filename)
+		fdthis->getLevel(loc, fdv);
+	    nestedref = 1;
+	    fdv->nestedFrameRef = 1;
+	    //printf("var %s in function %s is nested ref\n", toChars(), fdv->toChars());
+	}
+    }
+}
+
+/*******************************
+ * Does symbol go into data segment?
+ */
+
+int VarDeclaration::isDataseg()
+{
+#if 0
+    printf("VarDeclaration::isDataseg(%p, '%s')\n", this, toChars());
+    printf("%x, %p, %p\n", storage_class & (STCstatic | STCconst), parent->isModule(), parent->isTemplateInstance());
+    printf("parent = '%s'\n", parent->toChars());
+#endif
+    Dsymbol *parent = this->toParent();
+    if (!parent && !(storage_class & (STCstatic | STCconst)))
+    {	error("forward referenced");
+	type = Type::terror;
+	return 0;
+    }
+    return (storage_class & (STCstatic | STCconst) ||
+	   parent->isModule() ||
+	   parent->isTemplateInstance());
+}
+
+int VarDeclaration::hasPointers()
+{
+    return (!isDataseg() && type->hasPointers());
+}
+
+/******************************************
+ * If a variable has an auto destructor call, return call for it.
+ * Otherwise, return NULL.
+ */
+
+Expression *VarDeclaration::callAutoDtor()
+{   Expression *e = NULL;
+
+    if (storage_class & (STCauto | STCscope) && !noauto)
+    {
+	for (ClassDeclaration *cd = type->isClassHandle();
+	     cd;
+	     cd = cd->baseClass)
+	{
+	    /* We can do better if there's a way with onstack
+	     * classes to determine if there's no way the monitor
+	     * could be set.
+	     */
+	    if (1 || onstack || cd->dtors.dim)	// if any destructors
+	    {
+		// delete this;
+		Expression *ec;
+
+		ec = new VarExp(loc, this);
+		e = new DeleteExp(loc, ec);
+		e->type = Type::tvoid;
+		break;
+	    }
+	}
+    }
+    return e;
+}
+
+
+/********************************* ClassInfoDeclaration ****************************/
+
+ClassInfoDeclaration::ClassInfoDeclaration(ClassDeclaration *cd)
+    : VarDeclaration(0, ClassDeclaration::classinfo->type, cd->ident, NULL)
+{
+    this->cd = cd;
+    storage_class = STCstatic;
+}
+
+Dsymbol *ClassInfoDeclaration::syntaxCopy(Dsymbol *s)
+{
+    assert(0);		// should never be produced by syntax
+    return NULL;
+}
+
+void ClassInfoDeclaration::semantic(Scope *sc)
+{
+}
+
+/********************************* ModuleInfoDeclaration ****************************/
+
+ModuleInfoDeclaration::ModuleInfoDeclaration(Module *mod)
+    : VarDeclaration(0, Module::moduleinfo->type, mod->ident, NULL)
+{
+    this->mod = mod;
+    storage_class = STCstatic;
+}
+
+Dsymbol *ModuleInfoDeclaration::syntaxCopy(Dsymbol *s)
+{
+    assert(0);		// should never be produced by syntax
+    return NULL;
+}
+
+void ModuleInfoDeclaration::semantic(Scope *sc)
+{
+}
+
+/********************************* TypeInfoDeclaration ****************************/
+
+TypeInfoDeclaration::TypeInfoDeclaration(Type *tinfo, int internal)
+    : VarDeclaration(0, Type::typeinfo->type, tinfo->getTypeInfoIdent(internal), NULL)
+{
+    this->tinfo = tinfo;
+    storage_class = STCstatic;
+    protection = PROTpublic;
+    linkage = LINKc;
+}
+
+Dsymbol *TypeInfoDeclaration::syntaxCopy(Dsymbol *s)
+{
+    assert(0);		// should never be produced by syntax
+    return NULL;
+}
+
+void TypeInfoDeclaration::semantic(Scope *sc)
+{
+    assert(linkage == LINKc);
+}
+
+/***************************** TypeInfoStructDeclaration **********************/
+
+TypeInfoStructDeclaration::TypeInfoStructDeclaration(Type *tinfo)
+    : TypeInfoDeclaration(tinfo, 0)
+{
+}
+
+/***************************** TypeInfoClassDeclaration ***********************/
+
+TypeInfoClassDeclaration::TypeInfoClassDeclaration(Type *tinfo)
+    : TypeInfoDeclaration(tinfo, 0)
+{
+}
+
+/***************************** TypeInfoInterfaceDeclaration *******************/
+
+TypeInfoInterfaceDeclaration::TypeInfoInterfaceDeclaration(Type *tinfo)
+    : TypeInfoDeclaration(tinfo, 0)
+{
+}
+
+/***************************** TypeInfoTypedefDeclaration *********************/
+
+TypeInfoTypedefDeclaration::TypeInfoTypedefDeclaration(Type *tinfo)
+    : TypeInfoDeclaration(tinfo, 0)
+{
+}
+
+/***************************** TypeInfoPointerDeclaration *********************/
+
+TypeInfoPointerDeclaration::TypeInfoPointerDeclaration(Type *tinfo)
+    : TypeInfoDeclaration(tinfo, 0)
+{
+}
+
+/***************************** TypeInfoArrayDeclaration ***********************/
+
+TypeInfoArrayDeclaration::TypeInfoArrayDeclaration(Type *tinfo)
+    : TypeInfoDeclaration(tinfo, 0)
+{
+}
+
+/***************************** TypeInfoStaticArrayDeclaration *****************/
+
+TypeInfoStaticArrayDeclaration::TypeInfoStaticArrayDeclaration(Type *tinfo)
+    : TypeInfoDeclaration(tinfo, 0)
+{
+}
+
+/***************************** TypeInfoAssociativeArrayDeclaration ************/
+
+TypeInfoAssociativeArrayDeclaration::TypeInfoAssociativeArrayDeclaration(Type *tinfo)
+    : TypeInfoDeclaration(tinfo, 0)
+{
+}
+
+/***************************** TypeInfoEnumDeclaration ***********************/
+
+TypeInfoEnumDeclaration::TypeInfoEnumDeclaration(Type *tinfo)
+    : TypeInfoDeclaration(tinfo, 0)
+{
+}
+
+/***************************** TypeInfoFunctionDeclaration ********************/
+
+TypeInfoFunctionDeclaration::TypeInfoFunctionDeclaration(Type *tinfo)
+    : TypeInfoDeclaration(tinfo, 0)
+{
+}
+
+/***************************** TypeInfoDelegateDeclaration ********************/
+
+TypeInfoDelegateDeclaration::TypeInfoDelegateDeclaration(Type *tinfo)
+    : TypeInfoDeclaration(tinfo, 0)
+{
+}
+
+/***************************** TypeInfoTupleDeclaration **********************/
+
+TypeInfoTupleDeclaration::TypeInfoTupleDeclaration(Type *tinfo)
+    : TypeInfoDeclaration(tinfo, 0)
+{
+}
+
+/********************************* ThisDeclaration ****************************/
+
+// For the "this" parameter to member functions
+
+ThisDeclaration::ThisDeclaration(Type *t)
+   : VarDeclaration(0, t, Id::This, NULL)
+{
+    noauto = 1;
+}
+
+Dsymbol *ThisDeclaration::syntaxCopy(Dsymbol *s)
+{
+    assert(0);		// should never be produced by syntax
+    return NULL;
+}
+
+