mirror of
https://github.com/xomboverlord/ldc.git
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2328 lines
69 KiB
C
2328 lines
69 KiB
C
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// Compiler implementation of the D programming language
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// Copyright (c) 1999-2011 by Digital Mars
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// All Rights Reserved
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// written by Walter Bright
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// http://www.digitalmars.com
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// License for redistribution is by either the Artistic License
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// in artistic.txt, or the GNU General Public License in gnu.txt.
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// See the included readme.txt for details.
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#include <stdio.h>
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#include <assert.h>
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#include "init.h"
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#include "declaration.h"
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#include "attrib.h"
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#include "mtype.h"
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#include "template.h"
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#include "scope.h"
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#include "aggregate.h"
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#include "module.h"
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#include "id.h"
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#include "expression.h"
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#include "statement.h"
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#include "hdrgen.h"
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/********************************* Declaration ****************************/
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Declaration::Declaration(Identifier *id)
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: Dsymbol(id)
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{
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type = NULL;
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originalType = NULL;
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storage_class = STCundefined;
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protection = PROTundefined;
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linkage = LINKdefault;
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inuse = 0;
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sem = SemanticStart;
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}
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void Declaration::semantic(Scope *sc)
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{
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}
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const char *Declaration::kind()
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{
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return "declaration";
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}
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unsigned Declaration::size(Loc loc)
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{
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assert(type);
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return type->size();
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}
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int Declaration::isDelete()
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{
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return FALSE;
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}
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int Declaration::isDataseg()
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{
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return FALSE;
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}
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int Declaration::isThreadlocal()
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{
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return FALSE;
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}
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int Declaration::isCodeseg()
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{
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return FALSE;
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}
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enum PROT Declaration::prot()
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{
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return protection;
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}
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/*************************************
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* Check to see if declaration can be modified in this context (sc).
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* Issue error if not.
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*/
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#if DMDV2
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void Declaration::checkModify(Loc loc, Scope *sc, Type *t)
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{
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if (sc->incontract && isParameter())
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error(loc, "cannot modify parameter '%s' in contract", toChars());
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if (sc->incontract && isResult())
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error(loc, "cannot modify result '%s' in contract", toChars());
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if (isCtorinit() && !t->isMutable() ||
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(storage_class & STCnodefaultctor))
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{ // It's only modifiable if inside the right constructor
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modifyFieldVar(loc, sc, isVarDeclaration(), NULL);
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}
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else
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{
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VarDeclaration *v = isVarDeclaration();
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if (v && v->canassign == 0)
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{
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const char *p = NULL;
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if (isConst())
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p = "const";
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else if (isImmutable())
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p = "immutable";
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else if (isWild())
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p = "inout";
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else if (storage_class & STCmanifest)
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p = "enum";
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else if (!t->isAssignable())
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p = "struct with immutable members";
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if (p)
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{ error(loc, "cannot modify %s", p);
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}
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}
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}
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}
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#endif
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/********************************* TupleDeclaration ****************************/
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TupleDeclaration::TupleDeclaration(Loc loc, Identifier *id, Objects *objects)
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: Declaration(id)
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{
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this->loc = loc;
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this->type = NULL;
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this->objects = objects;
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this->isexp = 0;
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this->tupletype = NULL;
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}
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Dsymbol *TupleDeclaration::syntaxCopy(Dsymbol *s)
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{
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assert(0);
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return NULL;
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}
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const char *TupleDeclaration::kind()
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{
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return "tuple";
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}
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Type *TupleDeclaration::getType()
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{
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/* If this tuple represents a type, return that type
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*/
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//printf("TupleDeclaration::getType() %s\n", toChars());
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if (isexp)
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return NULL;
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if (!tupletype)
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{
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/* It's only a type tuple if all the Object's are types
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*/
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for (size_t i = 0; i < objects->dim; i++)
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{ Object *o = objects->tdata()[i];
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if (o->dyncast() != DYNCAST_TYPE)
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{
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//printf("\tnot[%d], %p, %d\n", i, o, o->dyncast());
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return NULL;
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}
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}
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/* We know it's a type tuple, so build the TypeTuple
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*/
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Types *types = (Types *)objects;
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Parameters *args = new Parameters();
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args->setDim(objects->dim);
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OutBuffer buf;
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int hasdeco = 1;
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for (size_t i = 0; i < types->dim; i++)
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{ Type *t = types->tdata()[i];
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//printf("type = %s\n", t->toChars());
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#if 0
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buf.printf("_%s_%d", ident->toChars(), i);
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char *name = (char *)buf.extractData();
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Identifier *id = new Identifier(name, TOKidentifier);
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Parameter *arg = new Parameter(STCin, t, id, NULL);
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#else
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Parameter *arg = new Parameter(0, t, NULL, NULL);
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#endif
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args->tdata()[i] = arg;
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if (!t->deco)
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hasdeco = 0;
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}
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tupletype = new TypeTuple(args);
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if (hasdeco)
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return tupletype->semantic(0, NULL);
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}
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return tupletype;
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}
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int TupleDeclaration::needThis()
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{
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//printf("TupleDeclaration::needThis(%s)\n", toChars());
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for (size_t i = 0; i < objects->dim; i++)
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{ Object *o = objects->tdata()[i];
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if (o->dyncast() == DYNCAST_EXPRESSION)
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{ Expression *e = (Expression *)o;
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if (e->op == TOKdsymbol)
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{ DsymbolExp *ve = (DsymbolExp *)e;
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Declaration *d = ve->s->isDeclaration();
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if (d && d->needThis())
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{
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return 1;
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}
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}
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}
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}
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return 0;
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}
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#if IN_LLVM
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void TupleDeclaration::semantic3(Scope *sc)
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{
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//printf("TupleDeclaration::semantic3((%s)\n", toChars());
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for (size_t i = 0; i < objects->dim; i++)
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{ Object *o = (Object *)objects->data[i];
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if (o->dyncast() == DYNCAST_EXPRESSION)
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{ Expression *e = (Expression *)o;
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if (e->op == TOKdsymbol)
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{ DsymbolExp *ve = (DsymbolExp *)e;
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Declaration *d = ve->s->isDeclaration();
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d->semantic3(sc);
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}
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}
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}
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}
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#endif
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/********************************* TypedefDeclaration ****************************/
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TypedefDeclaration::TypedefDeclaration(Loc loc, Identifier *id, Type *basetype, Initializer *init)
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: Declaration(id)
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{
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this->type = new TypeTypedef(this);
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this->basetype = basetype->toBasetype();
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this->init = init;
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this->htype = NULL;
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this->hbasetype = NULL;
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this->loc = loc;
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#if IN_DMD
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this->sinit = NULL;
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#endif
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}
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Dsymbol *TypedefDeclaration::syntaxCopy(Dsymbol *s)
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{
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Type *basetype = this->basetype->syntaxCopy();
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Initializer *init = NULL;
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if (this->init)
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init = this->init->syntaxCopy();
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assert(!s);
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TypedefDeclaration *st;
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st = new TypedefDeclaration(loc, ident, basetype, init);
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// Syntax copy for header file
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if (!htype) // Don't overwrite original
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{ if (type) // Make copy for both old and new instances
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{ htype = type->syntaxCopy();
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st->htype = type->syntaxCopy();
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}
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}
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else // Make copy of original for new instance
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st->htype = htype->syntaxCopy();
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if (!hbasetype)
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{ if (basetype)
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{ hbasetype = basetype->syntaxCopy();
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st->hbasetype = basetype->syntaxCopy();
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}
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}
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else
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st->hbasetype = hbasetype->syntaxCopy();
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return st;
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}
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void TypedefDeclaration::semantic(Scope *sc)
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{
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//printf("TypedefDeclaration::semantic(%s) sem = %d\n", toChars(), sem);
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if (sem == SemanticStart)
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{ sem = SemanticIn;
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parent = sc->parent;
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int errors = global.errors;
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Type *savedbasetype = basetype;
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basetype = basetype->semantic(loc, sc);
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if (errors != global.errors)
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{
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basetype = savedbasetype;
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sem = SemanticStart;
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return;
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}
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sem = SemanticDone;
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#if DMDV2
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type = type->addStorageClass(storage_class);
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#endif
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Type *savedtype = type;
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type = type->semantic(loc, sc);
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if (sc->parent->isFuncDeclaration() && init)
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semantic2(sc);
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if (errors != global.errors)
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{
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basetype = savedbasetype;
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type = savedtype;
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sem = SemanticStart;
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return;
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}
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storage_class |= sc->stc & STCdeprecated;
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}
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else if (sem == SemanticIn)
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{
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error("circular definition");
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}
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}
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void TypedefDeclaration::semantic2(Scope *sc)
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{
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//printf("TypedefDeclaration::semantic2(%s) sem = %d\n", toChars(), sem);
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if (sem == SemanticDone)
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{ sem = Semantic2Done;
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if (init)
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{
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Initializer *savedinit = init;
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int errors = global.errors;
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init = init->semantic(sc, basetype, WANTinterpret);
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if (errors != global.errors)
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{
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init = savedinit;
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return;
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}
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ExpInitializer *ie = init->isExpInitializer();
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if (ie)
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{
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if (ie->exp->type == basetype)
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ie->exp->type = type;
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}
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}
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}
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}
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const char *TypedefDeclaration::kind()
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{
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return "typedef";
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}
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Type *TypedefDeclaration::getType()
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{
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return type;
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}
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void TypedefDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
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{
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buf->writestring("typedef ");
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basetype->toCBuffer(buf, ident, hgs);
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if (init)
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{
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buf->writestring(" = ");
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init->toCBuffer(buf, hgs);
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}
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buf->writeByte(';');
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buf->writenl();
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}
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/********************************* AliasDeclaration ****************************/
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AliasDeclaration::AliasDeclaration(Loc loc, Identifier *id, Type *type)
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: Declaration(id)
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{
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//printf("AliasDeclaration(id = '%s', type = %p)\n", id->toChars(), type);
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//printf("type = '%s'\n", type->toChars());
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this->loc = loc;
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this->type = type;
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this->aliassym = NULL;
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this->htype = NULL;
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this->haliassym = NULL;
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this->overnext = NULL;
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this->inSemantic = 0;
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this->importprot = PROTundefined;
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assert(type);
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}
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AliasDeclaration::AliasDeclaration(Loc loc, Identifier *id, Dsymbol *s)
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: Declaration(id)
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{
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//printf("AliasDeclaration(id = '%s', s = %p)\n", id->toChars(), s);
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assert(s != this);
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this->loc = loc;
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this->type = NULL;
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this->aliassym = s;
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this->htype = NULL;
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this->haliassym = NULL;
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this->overnext = NULL;
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this->inSemantic = 0;
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assert(s);
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}
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Dsymbol *AliasDeclaration::syntaxCopy(Dsymbol *s)
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{
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//printf("AliasDeclaration::syntaxCopy()\n");
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assert(!s);
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AliasDeclaration *sa;
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if (type)
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sa = new AliasDeclaration(loc, ident, type->syntaxCopy());
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else
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sa = new AliasDeclaration(loc, ident, aliassym->syntaxCopy(NULL));
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// Syntax copy for header file
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if (!htype) // Don't overwrite original
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{ if (type) // Make copy for both old and new instances
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{ htype = type->syntaxCopy();
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sa->htype = type->syntaxCopy();
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}
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}
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else // Make copy of original for new instance
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sa->htype = htype->syntaxCopy();
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if (!haliassym)
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{ if (aliassym)
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{ haliassym = aliassym->syntaxCopy(s);
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sa->haliassym = aliassym->syntaxCopy(s);
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}
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}
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else
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sa->haliassym = haliassym->syntaxCopy(s);
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return sa;
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}
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void AliasDeclaration::semantic(Scope *sc)
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{
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//printf("AliasDeclaration::semantic() %s\n", toChars());
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if (aliassym)
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{
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if (aliassym->isTemplateInstance())
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aliassym->semantic(sc);
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return;
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}
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this->inSemantic = 1;
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#if DMDV1 // don't really know why this is here
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if (storage_class & STCconst)
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error("cannot be const");
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#endif
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storage_class |= sc->stc & STCdeprecated;
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protection = sc->protection;
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// Given:
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// alias foo.bar.abc def;
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// it is not knowable from the syntax whether this is an alias
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// for a type or an alias for a symbol. It is up to the semantic()
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// pass to distinguish.
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// If it is a type, then type is set and getType() will return that
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// type. If it is a symbol, then aliassym is set and type is NULL -
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// toAlias() will return aliasssym.
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int errors = global.errors;
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Type *savedtype = type;
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Dsymbol *s;
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Type *t;
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Expression *e;
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|
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/* This section is needed because resolve() will:
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* const x = 3;
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* alias x y;
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* try to alias y to 3.
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*/
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s = type->toDsymbol(sc);
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if (s
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#if DMDV2
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&& ((s->getType() && type->equals(s->getType())) || s->isEnumMember())
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#endif
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)
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goto L2; // it's a symbolic alias
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#if DMDV2
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type = type->addStorageClass(storage_class);
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if (storage_class & (STCref | STCnothrow | STCpure | STCdisable))
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{ // For 'ref' to be attached to function types, and picked
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// up by Type::resolve(), it has to go into sc.
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sc = sc->push();
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sc->stc |= storage_class & (STCref | STCnothrow | STCpure | STCshared | STCdisable);
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type->resolve(loc, sc, &e, &t, &s);
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sc = sc->pop();
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}
|
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else
|
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#endif
|
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type->resolve(loc, sc, &e, &t, &s);
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if (s)
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{
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goto L2;
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}
|
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else if (e)
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{
|
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// Try to convert Expression to Dsymbol
|
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s = getDsymbol(e);
|
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if (s)
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goto L2;
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|
|
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error("cannot alias an expression %s", e->toChars());
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t = e->type;
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}
|
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else if (t)
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{
|
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type = t->semantic(loc, sc);
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//printf("\talias resolved to type %s\n", type->toChars());
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}
|
|
if (overnext)
|
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ScopeDsymbol::multiplyDefined(0, this, overnext);
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|
this->inSemantic = 0;
|
|
|
|
if (errors != global.errors)
|
|
type = savedtype;
|
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return;
|
|
|
|
L2:
|
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//printf("alias is a symbol %s %s\n", s->kind(), s->toChars());
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|
type = NULL;
|
|
VarDeclaration *v = s->isVarDeclaration();
|
|
if (0 && v && v->linkage == LINKdefault)
|
|
{
|
|
error("forward reference of %s", v->toChars());
|
|
s = NULL;
|
|
}
|
|
else
|
|
{
|
|
Dsymbol *savedovernext = overnext;
|
|
FuncDeclaration *f = s->toAlias()->isFuncDeclaration();
|
|
if (f)
|
|
{
|
|
if (overnext)
|
|
{
|
|
FuncAliasDeclaration *fa = new FuncAliasDeclaration(f);
|
|
#if IN_LLVM
|
|
fa->importprot = importprot;
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|
#endif
|
|
if (!fa->overloadInsert(overnext))
|
|
ScopeDsymbol::multiplyDefined(0, f, overnext);
|
|
overnext = NULL;
|
|
s = fa;
|
|
s->parent = sc->parent;
|
|
}
|
|
}
|
|
if (overnext)
|
|
ScopeDsymbol::multiplyDefined(0, this, overnext);
|
|
if (s == this)
|
|
{
|
|
assert(global.errors);
|
|
s = NULL;
|
|
}
|
|
if (errors != global.errors)
|
|
{
|
|
type = savedtype;
|
|
overnext = savedovernext;
|
|
aliassym = NULL;
|
|
inSemantic = 0;
|
|
return;
|
|
}
|
|
}
|
|
//printf("setting aliassym %s to %s %s\n", toChars(), s->kind(), s->toChars());
|
|
aliassym = s;
|
|
this->inSemantic = 0;
|
|
}
|
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|
|
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 (aliassym) // see test/test56.d
|
|
{
|
|
Dsymbol *a = aliassym->toAlias();
|
|
FuncDeclaration *f = a->isFuncDeclaration();
|
|
if (f) // BUG: what if it's a template?
|
|
{
|
|
FuncAliasDeclaration *fa = new FuncAliasDeclaration(f);
|
|
aliassym = fa;
|
|
return fa->overloadInsert(s);
|
|
}
|
|
}
|
|
|
|
if (overnext == NULL)
|
|
{
|
|
if (s == this)
|
|
{
|
|
return TRUE;
|
|
}
|
|
overnext = s;
|
|
return TRUE;
|
|
}
|
|
else
|
|
{
|
|
return overnext->overloadInsert(s);
|
|
}
|
|
}
|
|
|
|
const 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");
|
|
aliassym = new AliasDeclaration(loc, ident, Type::terror);
|
|
type = Type::terror;
|
|
}
|
|
else if (!aliassym && scope)
|
|
semantic(scope);
|
|
Dsymbol *s = aliassym ? aliassym->toAlias() : this;
|
|
return s;
|
|
}
|
|
|
|
void AliasDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
|
|
{
|
|
buf->writestring("alias ");
|
|
#if 0
|
|
if (hgs->hdrgen)
|
|
{
|
|
if (haliassym)
|
|
{
|
|
buf->writestring(haliassym->toChars());
|
|
buf->writeByte(' ');
|
|
buf->writestring(ident->toChars());
|
|
}
|
|
else
|
|
htype->toCBuffer(buf, ident, hgs);
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
if (aliassym)
|
|
{
|
|
#if !IN_LLVM
|
|
aliassym->toCBuffer(buf, hgs);
|
|
#else
|
|
buf->writestring(aliassym->toChars());
|
|
#endif
|
|
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;
|
|
this->htype = NULL;
|
|
this->hinit = NULL;
|
|
this->loc = loc;
|
|
offset = 0;
|
|
noscope = 0;
|
|
#if DMDV2
|
|
isargptr = FALSE;
|
|
#endif
|
|
#if DMDV1
|
|
nestedref = 0;
|
|
#endif
|
|
ctorinit = 0;
|
|
aliassym = NULL;
|
|
onstack = 0;
|
|
canassign = 0;
|
|
ctfeAdrOnStack = (size_t)(-1);
|
|
#if DMDV2
|
|
rundtor = NULL;
|
|
edtor = NULL;
|
|
#endif
|
|
#if IN_LLVM
|
|
aggrIndex = 0;
|
|
|
|
nakedUse = false;
|
|
|
|
availableExternally = true; // assume this unless proven otherwise
|
|
#endif
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
// 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();
|
|
|
|
return sv;
|
|
}
|
|
|
|
void VarDeclaration::semantic(Scope *sc)
|
|
{
|
|
#if 0
|
|
printf("VarDeclaration::semantic('%s', parent = '%s')\n", toChars(), sc->parent->toChars());
|
|
printf(" type = %s\n", type ? type->toChars() : "null");
|
|
printf(" stc = x%x\n", sc->stc);
|
|
printf(" storage_class = x%llx\n", storage_class);
|
|
printf("linkage = %d\n", sc->linkage);
|
|
//if (strcmp(toChars(), "mul") == 0) halt();
|
|
#endif
|
|
|
|
// if (sem > SemanticStart)
|
|
// return;
|
|
// sem = SemanticIn;
|
|
|
|
if (scope)
|
|
{ sc = scope;
|
|
scope = NULL;
|
|
}
|
|
|
|
/* Pick up storage classes from context, but skip synchronized
|
|
*/
|
|
storage_class |= (sc->stc & ~STCsynchronized);
|
|
if (storage_class & STCextern && init)
|
|
error("extern symbols cannot have initializers");
|
|
|
|
AggregateDeclaration *ad = isThis();
|
|
if (ad)
|
|
storage_class |= ad->storage_class & STC_TYPECTOR;
|
|
|
|
/* If auto type inference, do the inference
|
|
*/
|
|
int inferred = 0;
|
|
if (!type)
|
|
{ inuse++;
|
|
|
|
ArrayInitializer *ai = init->isArrayInitializer();
|
|
if (ai)
|
|
{ Expression *e;
|
|
if (ai->isAssociativeArray())
|
|
e = ai->toAssocArrayLiteral();
|
|
else
|
|
e = init->toExpression();
|
|
if (!e)
|
|
{
|
|
error("cannot infer type from initializer");
|
|
e = new ErrorExp();
|
|
}
|
|
init = new ExpInitializer(e->loc, e);
|
|
type = init->inferType(sc);
|
|
if (type->ty == Tsarray)
|
|
type = type->nextOf()->arrayOf();
|
|
}
|
|
else
|
|
type = init->inferType(sc);
|
|
|
|
//printf("test2: %s, %s, %s\n", toChars(), type->toChars(), type->deco);
|
|
// type = type->semantic(loc, sc);
|
|
|
|
inuse--;
|
|
inferred = 1;
|
|
|
|
if (init->isArrayInitializer() && type->toBasetype()->ty == Tsarray)
|
|
{ // Prefer array literals to give a T[] type rather than a T[dim]
|
|
type = type->toBasetype()->nextOf()->arrayOf();
|
|
}
|
|
|
|
/* This is a kludge to support the existing syntax for RAII
|
|
* declarations.
|
|
*/
|
|
storage_class &= ~STCauto;
|
|
originalType = type;
|
|
}
|
|
else
|
|
{ if (!originalType)
|
|
originalType = type;
|
|
type = type->semantic(loc, sc);
|
|
}
|
|
//printf(" semantic type = %s\n", type ? type->toChars() : "null");
|
|
|
|
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%x\n", storage_class);
|
|
|
|
#if DMDV2
|
|
// Safety checks
|
|
if (sc->func && !sc->intypeof)
|
|
{
|
|
if (storage_class & STCgshared)
|
|
{
|
|
if (sc->func->setUnsafe())
|
|
error("__gshared not allowed in safe functions; use shared");
|
|
}
|
|
if (init && init->isVoidInitializer() && type->hasPointers())
|
|
{
|
|
if (sc->func->setUnsafe())
|
|
error("void initializers for pointers not allowed in safe functions");
|
|
}
|
|
if (type->hasPointers() && type->toDsymbol(sc))
|
|
{
|
|
Dsymbol *s = type->toDsymbol(sc);
|
|
if (s)
|
|
{
|
|
AggregateDeclaration *ad2 = s->isAggregateDeclaration();
|
|
if (ad2 && ad2->hasUnions)
|
|
{
|
|
if (sc->func->setUnsafe())
|
|
error("unions containing pointers are not allowed in @safe functions");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
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 ((storage_class & STCauto) && !inferred)
|
|
error("storage class 'auto' has no effect if type is not inferred, did you mean 'scope'?");
|
|
|
|
if (tb->ty == Ttuple)
|
|
{ /* Instead, declare variables for each of the tuple elements
|
|
* and add those.
|
|
*/
|
|
TypeTuple *tt = (TypeTuple *)tb;
|
|
size_t nelems = Parameter::dim(tt->arguments);
|
|
Objects *exps = new Objects();
|
|
exps->setDim(nelems);
|
|
Expression *ie = init ? init->toExpression() : NULL;
|
|
if (ie) ie = ie->semantic(sc);
|
|
|
|
if (nelems > 0 && ie)
|
|
{
|
|
Expressions *iexps = new Expressions();
|
|
iexps->push(ie);
|
|
|
|
Expressions *exps = new Expressions();
|
|
|
|
for (size_t pos = 0; pos < iexps->dim; pos++)
|
|
{
|
|
Lexpand1:
|
|
Expression *e = iexps->tdata()[pos];
|
|
Parameter *arg = Parameter::getNth(tt->arguments, pos);
|
|
arg->type = arg->type->semantic(loc, sc);
|
|
//printf("[%d] iexps->dim = %d, ", pos, iexps->dim);
|
|
//printf("e = (%s %s, %s), ", Token::tochars[e->op], e->toChars(), e->type->toChars());
|
|
//printf("arg = (%s, %s)\n", arg->toChars(), arg->type->toChars());
|
|
|
|
if (e != ie)
|
|
{
|
|
if (iexps->dim > nelems)
|
|
goto Lnomatch;
|
|
if (e->type->implicitConvTo(arg->type))
|
|
continue;
|
|
}
|
|
|
|
if (e->op == TOKtuple)
|
|
{
|
|
TupleExp *te = (TupleExp *)e;
|
|
if (iexps->dim - 1 + te->exps->dim > nelems)
|
|
goto Lnomatch;
|
|
|
|
iexps->remove(pos);
|
|
iexps->insert(pos, te->exps);
|
|
goto Lexpand1;
|
|
}
|
|
else if (isAliasThisTuple(e))
|
|
{
|
|
Identifier *id = Lexer::uniqueId("__tup");
|
|
ExpInitializer *ei = new ExpInitializer(e->loc, e);
|
|
VarDeclaration *v = new VarDeclaration(loc, NULL, id, ei);
|
|
v->storage_class = STCctfe | STCref | STCforeach;
|
|
VarExp *ve = new VarExp(loc, v);
|
|
ve->type = e->type;
|
|
|
|
exps->setDim(1);
|
|
(*exps)[0] = ve;
|
|
expandAliasThisTuples(exps, 0);
|
|
|
|
for (size_t u = 0; u < exps->dim ; u++)
|
|
{
|
|
Lexpand2:
|
|
Expression *ee = (*exps)[u];
|
|
Parameter *arg = Parameter::getNth(tt->arguments, pos + u);
|
|
arg->type = arg->type->semantic(loc, sc);
|
|
//printf("[%d+%d] exps->dim = %d, ", pos, u, exps->dim);
|
|
//printf("ee = (%s %s, %s), ", Token::tochars[ee->op], ee->toChars(), ee->type->toChars());
|
|
//printf("arg = (%s, %s)\n", arg->toChars(), arg->type->toChars());
|
|
|
|
size_t iexps_dim = iexps->dim - 1 + exps->dim;
|
|
if (iexps_dim > nelems)
|
|
goto Lnomatch;
|
|
if (ee->type->implicitConvTo(arg->type))
|
|
continue;
|
|
|
|
if (expandAliasThisTuples(exps, u) != -1)
|
|
goto Lexpand2;
|
|
}
|
|
|
|
if ((*exps)[0] != ve)
|
|
{
|
|
Expression *e0 = (*exps)[0];
|
|
(*exps)[0] = new CommaExp(loc, new DeclarationExp(loc, v), e0);
|
|
(*exps)[0]->type = e0->type;
|
|
|
|
iexps->remove(pos);
|
|
iexps->insert(pos, exps);
|
|
goto Lexpand1;
|
|
}
|
|
}
|
|
}
|
|
if (iexps->dim < nelems)
|
|
goto Lnomatch;
|
|
|
|
ie = new TupleExp(init->loc, iexps);
|
|
}
|
|
Lnomatch:
|
|
|
|
if (ie && ie->op == TOKtuple)
|
|
{ size_t tedim = ((TupleExp *)ie)->exps->dim;
|
|
if (tedim != nelems)
|
|
{ ::error(loc, "tuple of %d elements cannot be assigned to tuple of %d elements", (int)tedim, (int)nelems);
|
|
for (size_t u = tedim; u < nelems; u++) // fill dummy expression
|
|
((TupleExp *)ie)->exps->push(new ErrorExp());
|
|
}
|
|
}
|
|
|
|
for (size_t i = 0; i < nelems; i++)
|
|
{ Parameter *arg = Parameter::getNth(tt->arguments, i);
|
|
|
|
OutBuffer buf;
|
|
buf.printf("_%s_field_%zu", ident->toChars(), i);
|
|
buf.writeByte(0);
|
|
const char *name = (const char *)buf.extractData();
|
|
Identifier *id = Lexer::idPool(name);
|
|
|
|
Expression *einit = ie;
|
|
if (ie && ie->op == TOKtuple)
|
|
{ einit = ((TupleExp *)ie)->exps->tdata()[i];
|
|
}
|
|
Initializer *ti = init;
|
|
if (einit)
|
|
{ ti = new ExpInitializer(einit->loc, einit);
|
|
}
|
|
|
|
VarDeclaration *v = new VarDeclaration(loc, arg->type, id, ti);
|
|
if (arg->storageClass & STCparameter)
|
|
v->storage_class |= arg->storageClass;
|
|
//printf("declaring field %s of type %s\n", v->toChars(), v->type->toChars());
|
|
v->semantic(sc);
|
|
|
|
#if !IN_LLVM
|
|
// removed for LDC since TupleDeclaration::toObj already creates the fields;
|
|
// adding them to the scope again leads to duplicates
|
|
if (sc->scopesym)
|
|
{ //printf("adding %s to %s\n", v->toChars(), sc->scopesym->toChars());
|
|
if (sc->scopesym->members)
|
|
sc->scopesym->members->push(v);
|
|
}
|
|
#endif
|
|
Expression *e = new DsymbolExp(loc, v);
|
|
exps->tdata()[i] = e;
|
|
}
|
|
TupleDeclaration *v2 = new TupleDeclaration(loc, ident, exps);
|
|
v2->isexp = 1;
|
|
aliassym = v2;
|
|
return;
|
|
}
|
|
|
|
/* Storage class can modify the type
|
|
*/
|
|
type = type->addStorageClass(storage_class);
|
|
|
|
/* Adjust storage class to reflect type
|
|
*/
|
|
if (type->isConst())
|
|
{ storage_class |= STCconst;
|
|
if (type->isShared())
|
|
storage_class |= STCshared;
|
|
}
|
|
else if (type->isImmutable())
|
|
storage_class |= STCimmutable;
|
|
else if (type->isShared())
|
|
storage_class |= STCshared;
|
|
else if (type->isWild())
|
|
storage_class |= STCwild;
|
|
|
|
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 & STCfinal)
|
|
{
|
|
error("final cannot be applied to variable");
|
|
}
|
|
|
|
if (storage_class & (STCstatic | STCextern | STCmanifest | STCtemplateparameter | STCtls | STCgshared | STCctfe))
|
|
{
|
|
}
|
|
else
|
|
{
|
|
AggregateDeclaration *aad = sc->anonAgg;
|
|
if (!aad)
|
|
aad = parent->isAggregateDeclaration();
|
|
if (aad)
|
|
{
|
|
#if DMDV2
|
|
assert(!(storage_class & (STCextern | STCstatic | STCtls | STCgshared)));
|
|
|
|
if (storage_class & (STCconst | STCimmutable) && init)
|
|
{
|
|
if (!tb->isTypeBasic())
|
|
storage_class |= STCstatic;
|
|
}
|
|
else
|
|
{
|
|
aad->addField(sc, this);
|
|
if (tb->ty == Tstruct && ((TypeStruct *)tb)->sym->noDefaultCtor ||
|
|
tb->ty == Tclass && ((TypeClass *)tb)->sym->noDefaultCtor)
|
|
aad->noDefaultCtor = TRUE;
|
|
}
|
|
#else
|
|
aad->addField(sc, this);
|
|
#endif
|
|
}
|
|
|
|
InterfaceDeclaration *id = parent->isInterfaceDeclaration();
|
|
if (id)
|
|
{
|
|
error("field not allowed in interface");
|
|
}
|
|
|
|
/* Templates cannot add fields to aggregates
|
|
*/
|
|
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 *ad2 = ti->tempdecl->isMember();
|
|
if (ad2 && storage_class != STCundefined)
|
|
{
|
|
error("cannot use template to add field to aggregate '%s'", ad2->toChars());
|
|
}
|
|
}
|
|
}
|
|
|
|
#if DMDV2
|
|
if ((storage_class & (STCref | STCparameter | STCforeach)) == STCref &&
|
|
ident != Id::This)
|
|
{
|
|
error("only parameters or foreach declarations can be ref");
|
|
}
|
|
|
|
if (type->hasWild() &&
|
|
!(type->ty == Tpointer && type->nextOf()->ty == Tfunction || type->ty == Tdelegate))
|
|
{
|
|
if (storage_class & (STCstatic | STCextern | STCtls | STCgshared | STCmanifest | STCfield) ||
|
|
isDataseg()
|
|
)
|
|
{
|
|
error("only parameters or stack based variables can be inout");
|
|
}
|
|
FuncDeclaration *func = sc->func;
|
|
if (func)
|
|
{
|
|
if (func->fes)
|
|
func = func->fes->func;
|
|
if (!func->type->hasWild())
|
|
{
|
|
error("inout variables can only be declared inside inout functions");
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!(storage_class & (STCctfe | STCref)) && tb->ty == Tstruct &&
|
|
((TypeStruct *)tb)->sym->noDefaultCtor)
|
|
{
|
|
if (!init)
|
|
{ if (storage_class & STCfield)
|
|
/* For fields, we'll check the constructor later to make sure it is initialized
|
|
*/
|
|
storage_class |= STCnodefaultctor;
|
|
else if (storage_class & STCparameter)
|
|
;
|
|
else
|
|
error("initializer required for type %s", type->toChars());
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if (type->isscope() && !noscope)
|
|
{
|
|
if (storage_class & (STCfield | STCout | STCref | STCstatic | STCmanifest | STCtls | STCgshared) || !fd)
|
|
{
|
|
error("globals, statics, fields, manifest constants, ref and out parameters cannot be scope");
|
|
}
|
|
|
|
if (!(storage_class & STCscope))
|
|
{
|
|
if (!(storage_class & STCparameter) && ident != Id::withSym)
|
|
error("reference to scope class must be scope");
|
|
}
|
|
}
|
|
|
|
if (!init && !fd)
|
|
{ // If not mutable, initializable by constructor only
|
|
storage_class |= STCctorinit;
|
|
}
|
|
|
|
if (init)
|
|
storage_class |= STCinit; // remember we had an explicit initializer
|
|
else if (storage_class & STCmanifest)
|
|
error("manifest constants must have initializers");
|
|
|
|
enum TOK op = TOKconstruct;
|
|
if (!init && !sc->inunion && !isStatic() && fd &&
|
|
(!(storage_class & (STCfield | STCin | STCforeach | STCparameter | STCresult))
|
|
|| (storage_class & STCout)) &&
|
|
type->size() != 0)
|
|
{
|
|
// Provide a default initializer
|
|
//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);
|
|
e = new ConstructExp(loc, e1, e);
|
|
e->type = e1->type; // don't type check this, it would fail
|
|
init = new ExpInitializer(loc, e);
|
|
goto Ldtor;
|
|
}
|
|
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();
|
|
}
|
|
// Default initializer is always a blit
|
|
op = TOKblit;
|
|
}
|
|
|
|
if (init)
|
|
{
|
|
sc = sc->push();
|
|
sc->stc &= ~(STC_TYPECTOR | STCpure | STCnothrow | STCref | STCdisable);
|
|
|
|
ArrayInitializer *ai = init->isArrayInitializer();
|
|
if (ai && tb->ty == Taarray)
|
|
{
|
|
Expression *e = ai->toAssocArrayLiteral();
|
|
init = new ExpInitializer(e->loc, e);
|
|
}
|
|
|
|
StructInitializer *si = init->isStructInitializer();
|
|
ExpInitializer *ei = init->isExpInitializer();
|
|
|
|
if (ei && ei->exp->op == TOKfunction && !inferred)
|
|
((FuncExp *)ei->exp)->setType(type);
|
|
|
|
if (ei && isScope())
|
|
{
|
|
// See if initializer is a NewExp that can be allocated on the stack
|
|
if (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;
|
|
}
|
|
}
|
|
// or a delegate that doesn't escape a reference to the function
|
|
else if (ei->exp->op == TOKfunction)
|
|
{ FuncDeclaration *f = ((FuncExp *)ei->exp)->fd;
|
|
f->tookAddressOf--;
|
|
}
|
|
}
|
|
|
|
// If inside function, there is no semantic3() call
|
|
if (sc->func)
|
|
{
|
|
// If local variable, use AssignExp to handle all the various
|
|
// possibilities.
|
|
if (fd &&
|
|
!(storage_class & (STCmanifest | STCstatic | STCtls | STCgshared | STCextern)) &&
|
|
!init->isVoidInitializer())
|
|
{
|
|
//printf("fd = '%s', var = '%s'\n", fd->toChars(), toChars());
|
|
if (!ei)
|
|
{
|
|
Expression *e = init->toExpression();
|
|
if (!e)
|
|
{
|
|
init = init->semantic(sc, type, 0); // Don't need to interpret
|
|
e = init->toExpression();
|
|
if (!e)
|
|
{ error("is not a static and cannot have static initializer");
|
|
return;
|
|
}
|
|
}
|
|
ei = new ExpInitializer(init->loc, e);
|
|
init = ei;
|
|
}
|
|
|
|
Expression *e1 = new VarExp(loc, this);
|
|
|
|
Type *t = type->toBasetype();
|
|
|
|
Linit2:
|
|
if (t->ty == Tsarray && !(storage_class & (STCref | STCout)))
|
|
{
|
|
ei->exp = ei->exp->semantic(sc);
|
|
if (!ei->exp->implicitConvTo(type))
|
|
{
|
|
dinteger_t dim = ((TypeSArray *)t)->dim->toInteger();
|
|
// If multidimensional static array, treat as one large array
|
|
while (1)
|
|
{
|
|
t = t->nextOf()->toBasetype();
|
|
if (t->ty != Tsarray)
|
|
break;
|
|
dim *= ((TypeSArray *)t)->dim->toInteger();
|
|
e1->type = new TypeSArray(t->nextOf(), new IntegerExp(0, dim, Type::tindex));
|
|
}
|
|
}
|
|
e1 = new SliceExp(loc, e1, NULL, NULL);
|
|
}
|
|
else if (t->ty == Tstruct)
|
|
{
|
|
ei->exp = ei->exp->semantic(sc);
|
|
ei->exp = resolveProperties(sc, ei->exp);
|
|
StructDeclaration *sd = ((TypeStruct *)t)->sym;
|
|
#if DMDV2
|
|
Expression** pinit = &ei->exp;
|
|
while ((*pinit)->op == TOKcomma)
|
|
{
|
|
pinit = &((CommaExp *)*pinit)->e2;
|
|
}
|
|
|
|
/* Look to see if initializer is a call to the constructor
|
|
*/
|
|
if (sd->ctor && // there are constructors
|
|
(*pinit)->type->ty == Tstruct && // rvalue is the same struct
|
|
((TypeStruct *)(*pinit)->type)->sym == sd &&
|
|
(*pinit)->op == TOKcall)
|
|
{
|
|
/* Look for form of constructor call which is:
|
|
* *__ctmp.ctor(arguments...)
|
|
*/
|
|
if (1)
|
|
{ CallExp *ce = (CallExp *)(*pinit);
|
|
if (ce->e1->op == TOKdotvar)
|
|
{ DotVarExp *dve = (DotVarExp *)ce->e1;
|
|
if (dve->var->isCtorDeclaration())
|
|
{ /* It's a constructor call, currently constructing
|
|
* a temporary __ctmp.
|
|
*/
|
|
/* Before calling the constructor, initialize
|
|
* variable with a bit copy of the default
|
|
* initializer
|
|
*/
|
|
|
|
/* Remove ref if this declaration is ref binding.
|
|
* ref Type __self = (__ctmp = 0, __ctmp).this(...);
|
|
* -> Type __self = (__self = 0, __self.this(...));
|
|
*/
|
|
storage_class &= ~(STCref | STCforeach | STCparameter);
|
|
|
|
Expression *e;
|
|
if (sd->zeroInit == 1)
|
|
{
|
|
e = new ConstructExp(loc, new VarExp(loc, this), new IntegerExp(loc, 0, Type::tint32));
|
|
}
|
|
else
|
|
{ e = new AssignExp(loc, new VarExp(loc, this), t->defaultInit(loc));
|
|
e->op = TOKblit;
|
|
}
|
|
e->type = t;
|
|
(*pinit) = new CommaExp(loc, e, (*pinit));
|
|
|
|
/* Replace __ctmp being constructed with e1
|
|
*/
|
|
dve->e1 = e1;
|
|
(*pinit) = (*pinit)->semantic(sc);
|
|
goto Ldtor;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Look for ((S tmp = S()),tmp) and replace it with just S()
|
|
*/
|
|
Expression *e2 = ei->exp->isTemp();
|
|
if (e2)
|
|
{
|
|
ei->exp = e2;
|
|
goto Linit2;
|
|
}
|
|
#endif
|
|
if (!ei->exp->implicitConvTo(type))
|
|
{
|
|
Type *ti = ei->exp->type->toBasetype();
|
|
// Look for constructor first
|
|
if (sd->ctor &&
|
|
/* Initializing with the same type is done differently
|
|
*/
|
|
!(ti->ty == Tstruct && t->toDsymbol(sc) == ti->toDsymbol(sc)))
|
|
{
|
|
// Rewrite as e1.ctor(arguments)
|
|
Expression *ector = new DotIdExp(loc, e1, Id::ctor);
|
|
ei->exp = new CallExp(loc, ector, ei->exp);
|
|
/* Before calling the constructor, initialize
|
|
* variable with a bit copy of the default
|
|
* initializer
|
|
*/
|
|
Expression *e = new AssignExp(loc, e1, t->defaultInit(loc));
|
|
e->op = TOKblit;
|
|
e->type = t;
|
|
ei->exp = new CommaExp(loc, e, ei->exp);
|
|
}
|
|
else
|
|
/* Look for opCall
|
|
* See bugzilla 2702 for more discussion
|
|
*/
|
|
// Don't cast away invariant or mutability in initializer
|
|
if (search_function(sd, Id::call) &&
|
|
/* Initializing with the same type is done differently
|
|
*/
|
|
!(ti->ty == Tstruct && t->toDsymbol(sc) == ti->toDsymbol(sc)))
|
|
{ // Rewrite as e1.call(arguments)
|
|
Expression * eCall = new DotIdExp(loc, e1, Id::call);
|
|
ei->exp = new CallExp(loc, eCall, ei->exp);
|
|
}
|
|
}
|
|
}
|
|
ei->exp = new AssignExp(loc, e1, ei->exp);
|
|
ei->exp->op = op;
|
|
canassign++;
|
|
ei->exp = ei->exp->semantic(sc);
|
|
canassign--;
|
|
ei->exp->optimize(WANTvalue);
|
|
}
|
|
else
|
|
{
|
|
init = init->semantic(sc, type, WANTinterpret);
|
|
}
|
|
}
|
|
else if (storage_class & (STCconst | STCimmutable | STCmanifest) ||
|
|
type->isConst() || type->isImmutable() ||
|
|
parent->isAggregateDeclaration())
|
|
{
|
|
/* 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 (!global.errors && !inferred)
|
|
{
|
|
unsigned errors = global.startGagging();
|
|
Expression *e;
|
|
Initializer *i2 = init;
|
|
inuse++;
|
|
if (ei)
|
|
{
|
|
e = ei->exp->syntaxCopy();
|
|
e = e->semantic(sc);
|
|
e = resolveProperties(sc, e);
|
|
#if DMDV2
|
|
/* The problem is the following code:
|
|
* struct CopyTest {
|
|
* double x;
|
|
* this(double a) { x = a * 10.0;}
|
|
* this(this) { x += 2.0; }
|
|
* }
|
|
* const CopyTest z = CopyTest(5.3); // ok
|
|
* const CopyTest w = z; // not ok, postblit not run
|
|
* static assert(w.x == 55.0);
|
|
* because the postblit doesn't get run on the initialization of w.
|
|
*/
|
|
|
|
Type *tb2 = e->type->toBasetype();
|
|
if (tb2->ty == Tstruct)
|
|
{ StructDeclaration *sd = ((TypeStruct *)tb2)->sym;
|
|
Type *typeb = type->toBasetype();
|
|
/* Look to see if initializer involves a copy constructor
|
|
* (which implies a postblit)
|
|
*/
|
|
if (sd->cpctor && // there is a copy constructor
|
|
typeb->equals(tb2)) // rvalue is the same struct
|
|
{
|
|
// The only allowable initializer is a (non-copy) constructor
|
|
if (e->op == TOKcall)
|
|
{
|
|
CallExp *ce = (CallExp *)e;
|
|
if (ce->e1->op == TOKdotvar)
|
|
{
|
|
DotVarExp *dve = (DotVarExp *)ce->e1;
|
|
if (dve->var->isCtorDeclaration())
|
|
goto LNoCopyConstruction;
|
|
}
|
|
}
|
|
global.gag--;
|
|
error("of type struct %s uses this(this), which is not allowed in static initialization", typeb->toChars());
|
|
global.gag++;
|
|
|
|
LNoCopyConstruction:
|
|
;
|
|
}
|
|
}
|
|
#endif
|
|
e = e->implicitCastTo(sc, type);
|
|
}
|
|
else if (si || ai)
|
|
{ i2 = init->syntaxCopy();
|
|
i2 = i2->semantic(sc, type, WANTinterpret);
|
|
}
|
|
inuse--;
|
|
if (global.endGagging(errors)) // if errors happened
|
|
{
|
|
#if DMDV2
|
|
/* Save scope for later use, to try again
|
|
*/
|
|
scope = new Scope(*sc);
|
|
scope->setNoFree();
|
|
#endif
|
|
}
|
|
else if (ei)
|
|
{
|
|
if (isDataseg() || (storage_class & STCmanifest))
|
|
e = e->optimize(WANTvalue | WANTinterpret);
|
|
else
|
|
e = e->optimize(WANTvalue);
|
|
switch (e->op)
|
|
{
|
|
case TOKint64:
|
|
case TOKfloat64:
|
|
case TOKstring:
|
|
case TOKarrayliteral:
|
|
case TOKassocarrayliteral:
|
|
case TOKstructliteral:
|
|
case TOKnull:
|
|
ei->exp = e; // no errors, keep result
|
|
break;
|
|
|
|
default:
|
|
#if DMDV2
|
|
/* Save scope for later use, to try again
|
|
*/
|
|
scope = new Scope(*sc);
|
|
scope->setNoFree();
|
|
#endif
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
init = i2; // no errors, keep result
|
|
}
|
|
}
|
|
sc = sc->pop();
|
|
}
|
|
|
|
Ldtor:
|
|
/* Build code to execute destruction, if necessary
|
|
*/
|
|
edtor = callScopeDtor(sc);
|
|
if (edtor)
|
|
{
|
|
edtor = edtor->semantic(sc);
|
|
|
|
#if 0 // currently disabled because of std.stdio.stdin, stdout and stderr
|
|
if (isDataseg() && !(storage_class & STCextern))
|
|
error("static storage variables cannot have destructors");
|
|
#endif
|
|
}
|
|
|
|
sem = SemanticDone;
|
|
}
|
|
|
|
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, WANTinterpret);
|
|
inuse--;
|
|
}
|
|
sem = Semantic2Done;
|
|
}
|
|
|
|
void VarDeclaration::semantic3(Scope *sc)
|
|
{
|
|
// LDC
|
|
if (!global.params.useAvailableExternally)
|
|
availableExternally = false;
|
|
|
|
if (aliassym)
|
|
aliassym->semantic3(sc);
|
|
|
|
// Preserve call chain
|
|
Declaration::semantic3(sc);
|
|
}
|
|
|
|
const 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)
|
|
{
|
|
StorageClassDeclaration::stcToCBuffer(buf, storage_class);
|
|
|
|
/* If changing, be sure and fix CompoundDeclarationStatement::toCBuffer()
|
|
* too.
|
|
*/
|
|
if (type)
|
|
type->toCBuffer(buf, ident, hgs);
|
|
else
|
|
buf->writestring(ident->toChars());
|
|
if (init)
|
|
{ buf->writestring(" = ");
|
|
#if DMDV2
|
|
ExpInitializer *ie = init->isExpInitializer();
|
|
if (ie && (ie->exp->op == TOKconstruct || ie->exp->op == TOKblit))
|
|
((AssignExp *)ie->exp)->e2->toCBuffer(buf, hgs);
|
|
else
|
|
#endif
|
|
init->toCBuffer(buf, hgs);
|
|
}
|
|
buf->writeByte(';');
|
|
buf->writenl();
|
|
}
|
|
|
|
AggregateDeclaration *VarDeclaration::isThis()
|
|
{
|
|
AggregateDeclaration *ad = NULL;
|
|
|
|
if (!(storage_class & (STCstatic | STCextern | STCmanifest | STCtemplateparameter |
|
|
STCtls | STCgshared | STCctfe)))
|
|
{
|
|
if ((storage_class & (STCconst | STCimmutable | STCwild)) && init)
|
|
return NULL;
|
|
|
|
for (Dsymbol *s = this; s; s = s->parent)
|
|
{
|
|
ad = s->isMember();
|
|
if (ad)
|
|
break;
|
|
if (!s->parent || !s->parent->isTemplateMixin()) break;
|
|
}
|
|
}
|
|
return ad;
|
|
}
|
|
|
|
int VarDeclaration::needThis()
|
|
{
|
|
//printf("VarDeclaration::needThis(%s, x%x)\n", toChars(), storage_class);
|
|
return storage_class & STCfield;
|
|
}
|
|
|
|
int VarDeclaration::isImportedSymbol()
|
|
{
|
|
if (protection == PROTexport && !init &&
|
|
(storage_class & STCstatic || parent->isModule()))
|
|
return TRUE;
|
|
return FALSE;
|
|
}
|
|
|
|
void VarDeclaration::checkCtorConstInit()
|
|
{
|
|
#if 0 /* doesn't work if more than one static ctor */
|
|
if (ctorinit == 0 && isCtorinit() && !(storage_class & STCfield))
|
|
error("missing initializer in static constructor for const variable");
|
|
#endif
|
|
}
|
|
|
|
/************************************
|
|
* Check to see if this variable is actually in an enclosing function
|
|
* rather than the current one.
|
|
*/
|
|
|
|
void VarDeclaration::checkNestedReference(Scope *sc, Loc loc)
|
|
{
|
|
//printf("VarDeclaration::checkNestedReference() %s\n", toChars());
|
|
if (parent && !isDataseg() && parent != sc->parent &&
|
|
!(storage_class & STCmanifest))
|
|
{
|
|
// The function that this variable is in
|
|
FuncDeclaration *fdv = toParent()->isFuncDeclaration();
|
|
// The current function
|
|
FuncDeclaration *fdthis = sc->parent->isFuncDeclaration();
|
|
|
|
if (fdv && fdthis && fdv != fdthis && fdthis->ident != Id::ensure && fdthis->ident != Id::require)
|
|
{
|
|
/* __ensure is always called directly,
|
|
* so it never becomes closure.
|
|
*/
|
|
|
|
//printf("\tfdv = %s\n", fdv->toChars());
|
|
//printf("\tfdthis = %s\n", fdthis->toChars());
|
|
|
|
if (loc.filename)
|
|
fdthis->getLevel(loc, sc, fdv);
|
|
|
|
// Function literals from fdthis to fdv must be delegates
|
|
for (Dsymbol *s = fdthis; s && s != fdv; s = s->toParent2())
|
|
{
|
|
// function literal has reference to enclosing scope is delegate
|
|
if (FuncLiteralDeclaration *fld = s->isFuncLiteralDeclaration())
|
|
{
|
|
fld->tok = TOKdelegate;
|
|
}
|
|
}
|
|
|
|
// Add fdthis to nestedrefs[] if not already there
|
|
for (size_t i = 0; 1; i++)
|
|
{
|
|
if (i == nestedrefs.dim)
|
|
{
|
|
nestedrefs.push(fdthis);
|
|
break;
|
|
}
|
|
if (nestedrefs[i] == fdthis)
|
|
break;
|
|
}
|
|
|
|
// Add this to fdv->closureVars[] if not already there
|
|
for (size_t i = 0; 1; i++)
|
|
{
|
|
if (i == fdv->closureVars.dim)
|
|
{
|
|
fdv->closureVars.push(this);
|
|
break;
|
|
}
|
|
if (fdv->closureVars[i] == this)
|
|
break;
|
|
}
|
|
|
|
//printf("fdthis is %s\n", fdthis->toChars());
|
|
//printf("var %s in function %s is nested ref\n", toChars(), fdv->toChars());
|
|
// __dollar creates problems because it isn't a real variable Bugzilla 3326
|
|
if (ident == Id::dollar)
|
|
::error(loc, "cannnot use $ inside a function literal");
|
|
}
|
|
}
|
|
}
|
|
|
|
/****************************
|
|
* Get ExpInitializer for a variable, if there is one.
|
|
*/
|
|
|
|
ExpInitializer *VarDeclaration::getExpInitializer()
|
|
{
|
|
ExpInitializer *ei;
|
|
|
|
if (init)
|
|
ei = init->isExpInitializer();
|
|
else
|
|
{
|
|
Expression *e = type->defaultInit(loc);
|
|
if (e)
|
|
ei = new ExpInitializer(loc, e);
|
|
else
|
|
ei = NULL;
|
|
}
|
|
return ei;
|
|
}
|
|
|
|
/*******************************************
|
|
* If variable has a constant expression initializer, get it.
|
|
* Otherwise, return NULL.
|
|
*/
|
|
|
|
Expression *VarDeclaration::getConstInitializer()
|
|
{
|
|
if ((isConst() || isImmutable() || storage_class & STCmanifest) &&
|
|
storage_class & STCinit)
|
|
{
|
|
ExpInitializer *ei = getExpInitializer();
|
|
if (ei)
|
|
return ei->exp;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/*************************************
|
|
* Return !=0 if we can take the address of this variable.
|
|
*/
|
|
|
|
int VarDeclaration::canTakeAddressOf()
|
|
{
|
|
#if 0
|
|
/* Global variables and struct/class fields of the form:
|
|
* const int x = 3;
|
|
* are not stored and hence cannot have their address taken.
|
|
*/
|
|
if ((isConst() || isImmutable()) &&
|
|
storage_class & STCinit &&
|
|
(!(storage_class & (STCstatic | STCextern)) || (storage_class & STCfield)) &&
|
|
(!parent || toParent()->isModule() || toParent()->isTemplateInstance()) &&
|
|
type->toBasetype()->isTypeBasic()
|
|
)
|
|
{
|
|
return 0;
|
|
}
|
|
#else
|
|
if (storage_class & STCmanifest)
|
|
return 0;
|
|
#endif
|
|
return 1;
|
|
}
|
|
|
|
|
|
/*******************************
|
|
* Does symbol go into data segment?
|
|
* Includes extern variables.
|
|
*/
|
|
|
|
int VarDeclaration::isDataseg()
|
|
{
|
|
#if 0
|
|
printf("VarDeclaration::isDataseg(%p, '%s')\n", this, toChars());
|
|
printf("%llx, isModule: %p, isTemplateInstance: %p\n", storage_class & (STCstatic | STCconst), parent->isModule(), parent->isTemplateInstance());
|
|
printf("parent = '%s'\n", parent->toChars());
|
|
#endif
|
|
if (storage_class & STCmanifest)
|
|
return 0;
|
|
Dsymbol *parent = this->toParent();
|
|
if (!parent && !(storage_class & STCstatic))
|
|
{ error("forward referenced");
|
|
type = Type::terror;
|
|
return 0;
|
|
}
|
|
return canTakeAddressOf() &&
|
|
(storage_class & (STCstatic | STCextern | STCtls | STCgshared) ||
|
|
toParent()->isModule() ||
|
|
toParent()->isTemplateInstance());
|
|
}
|
|
|
|
/************************************
|
|
* Does symbol go into thread local storage?
|
|
*/
|
|
|
|
int VarDeclaration::isThreadlocal()
|
|
{
|
|
//printf("VarDeclaration::isThreadlocal(%p, '%s')\n", this, toChars());
|
|
#if 0 //|| TARGET_OSX
|
|
/* To be thread-local, must use the __thread storage class.
|
|
* BUG: OSX doesn't support thread local yet.
|
|
*/
|
|
return isDataseg() &&
|
|
(storage_class & (STCtls | STCconst | STCimmutable | STCshared | STCgshared)) == STCtls;
|
|
#else
|
|
/* Data defaults to being thread-local. It is not thread-local
|
|
* if it is immutable, const or shared.
|
|
*/
|
|
int i = isDataseg() &&
|
|
!(storage_class & (STCimmutable | STCconst | STCshared | STCgshared));
|
|
//printf("\treturn %d\n", i);
|
|
return i;
|
|
#endif
|
|
}
|
|
|
|
/********************************************
|
|
* Can variable be read and written by CTFE?
|
|
*/
|
|
|
|
int VarDeclaration::isCTFE()
|
|
{
|
|
return (storage_class & STCctfe) != 0; // || !isDataseg();
|
|
}
|
|
|
|
int VarDeclaration::hasPointers()
|
|
{
|
|
//printf("VarDeclaration::hasPointers() %s, ty = %d\n", toChars(), type->ty);
|
|
return (!isDataseg() && type->hasPointers());
|
|
}
|
|
|
|
/******************************************
|
|
* Return TRUE if variable needs to call the destructor.
|
|
*/
|
|
|
|
int VarDeclaration::needsAutoDtor()
|
|
{
|
|
//printf("VarDeclaration::needsAutoDtor() %s\n", toChars());
|
|
|
|
if (noscope || !edtor)
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/******************************************
|
|
* If a variable has a scope destructor call, return call for it.
|
|
* Otherwise, return NULL.
|
|
*/
|
|
|
|
Expression *VarDeclaration::callScopeDtor(Scope *sc)
|
|
{ Expression *e = NULL;
|
|
|
|
//printf("VarDeclaration::callScopeDtor() %s\n", toChars());
|
|
|
|
// Destruction of STCfield's is handled by buildDtor()
|
|
if (noscope || storage_class & (STCnodtor | STCref | STCout | STCfield))
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
// Destructors for structs and arrays of structs
|
|
bool array = false;
|
|
Type *tv = type->toBasetype();
|
|
while (tv->ty == Tsarray)
|
|
{ TypeSArray *ta = (TypeSArray *)tv;
|
|
array = true;
|
|
tv = tv->nextOf()->toBasetype();
|
|
}
|
|
if (tv->ty == Tstruct)
|
|
{ TypeStruct *ts = (TypeStruct *)tv;
|
|
StructDeclaration *sd = ts->sym;
|
|
if (sd->dtor)
|
|
{
|
|
if (array)
|
|
{
|
|
// Typeinfo.destroy(cast(void*)&v);
|
|
#if IN_LLVM
|
|
Expression *ea = new AddrExp(loc, new DsymbolExp(loc, this));
|
|
#else
|
|
Expression *ea = new SymOffExp(loc, this, 0, 0);
|
|
#endif
|
|
ea = new CastExp(loc, ea, Type::tvoid->pointerTo());
|
|
Expressions *args = new Expressions();
|
|
args->push(ea);
|
|
|
|
Expression *et = type->getTypeInfo(sc);
|
|
et = new DotIdExp(loc, et, Id::destroy);
|
|
|
|
e = new CallExp(loc, et, args);
|
|
}
|
|
else
|
|
{
|
|
e = new VarExp(loc, this);
|
|
/* This is a hack so we can call destructors on const/immutable objects.
|
|
* Need to add things like "const ~this()" and "immutable ~this()" to
|
|
* fix properly.
|
|
*/
|
|
e->type = e->type->mutableOf();
|
|
e = new DotVarExp(loc, e, sd->dtor, 0);
|
|
e = new CallExp(loc, e);
|
|
}
|
|
return e;
|
|
}
|
|
}
|
|
|
|
// Destructors for classes
|
|
if (storage_class & (STCauto | STCscope))
|
|
{
|
|
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 (cd->isInterfaceDeclaration())
|
|
//error("interface %s cannot be scope", cd->toChars());
|
|
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;
|
|
}
|
|
|
|
/******************************************
|
|
*/
|
|
|
|
void ObjectNotFound(Identifier *id)
|
|
{
|
|
Type::error(0, "%s not found. object.d may be incorrectly installed or corrupt.", id->toChars());
|
|
fatal();
|
|
}
|
|
|
|
|
|
/********************************* ClassInfoDeclaration ****************************/
|
|
|
|
ClassInfoDeclaration::ClassInfoDeclaration(ClassDeclaration *cd)
|
|
: VarDeclaration(0, ClassDeclaration::classinfo->type, cd->ident, NULL)
|
|
{
|
|
this->cd = cd;
|
|
storage_class = STCstatic | STCgshared;
|
|
}
|
|
|
|
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 | STCgshared;
|
|
}
|
|
|
|
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 | STCgshared;
|
|
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);
|
|
#if IN_LLVM
|
|
if (!global.params.useAvailableExternally)
|
|
availableExternally = false;
|
|
#endif
|
|
}
|
|
|
|
/***************************** TypeInfoConstDeclaration **********************/
|
|
|
|
#if DMDV2
|
|
TypeInfoConstDeclaration::TypeInfoConstDeclaration(Type *tinfo)
|
|
: TypeInfoDeclaration(tinfo, 0)
|
|
{
|
|
if (!Type::typeinfoconst)
|
|
{
|
|
ObjectNotFound(Id::TypeInfo_Const);
|
|
}
|
|
type = Type::typeinfoconst->type;
|
|
}
|
|
#endif
|
|
|
|
/***************************** TypeInfoInvariantDeclaration **********************/
|
|
|
|
#if DMDV2
|
|
TypeInfoInvariantDeclaration::TypeInfoInvariantDeclaration(Type *tinfo)
|
|
: TypeInfoDeclaration(tinfo, 0)
|
|
{
|
|
if (!Type::typeinfoinvariant)
|
|
{
|
|
ObjectNotFound(Id::TypeInfo_Invariant);
|
|
}
|
|
type = Type::typeinfoinvariant->type;
|
|
}
|
|
#endif
|
|
|
|
/***************************** TypeInfoSharedDeclaration **********************/
|
|
|
|
#if DMDV2
|
|
TypeInfoSharedDeclaration::TypeInfoSharedDeclaration(Type *tinfo)
|
|
: TypeInfoDeclaration(tinfo, 0)
|
|
{
|
|
if (!Type::typeinfoshared)
|
|
{
|
|
ObjectNotFound(Id::TypeInfo_Shared);
|
|
}
|
|
type = Type::typeinfoshared->type;
|
|
}
|
|
#endif
|
|
|
|
/***************************** TypeInfoWildDeclaration **********************/
|
|
|
|
#if DMDV2
|
|
TypeInfoWildDeclaration::TypeInfoWildDeclaration(Type *tinfo)
|
|
: TypeInfoDeclaration(tinfo, 0)
|
|
{
|
|
if (!Type::typeinfowild)
|
|
{
|
|
ObjectNotFound(Id::TypeInfo_Wild);
|
|
}
|
|
type = Type::typeinfowild->type;
|
|
}
|
|
#endif
|
|
|
|
/***************************** TypeInfoStructDeclaration **********************/
|
|
|
|
TypeInfoStructDeclaration::TypeInfoStructDeclaration(Type *tinfo)
|
|
: TypeInfoDeclaration(tinfo, 0)
|
|
{
|
|
if (!Type::typeinfostruct)
|
|
{
|
|
ObjectNotFound(Id::TypeInfo_Struct);
|
|
}
|
|
type = Type::typeinfostruct->type;
|
|
}
|
|
|
|
/***************************** TypeInfoClassDeclaration ***********************/
|
|
|
|
TypeInfoClassDeclaration::TypeInfoClassDeclaration(Type *tinfo)
|
|
: TypeInfoDeclaration(tinfo, 0)
|
|
{
|
|
if (!Type::typeinfoclass)
|
|
{
|
|
ObjectNotFound(Id::TypeInfo_Class);
|
|
}
|
|
type = Type::typeinfoclass->type;
|
|
}
|
|
|
|
/***************************** TypeInfoInterfaceDeclaration *******************/
|
|
|
|
TypeInfoInterfaceDeclaration::TypeInfoInterfaceDeclaration(Type *tinfo)
|
|
: TypeInfoDeclaration(tinfo, 0)
|
|
{
|
|
if (!Type::typeinfointerface)
|
|
{
|
|
ObjectNotFound(Id::TypeInfo_Interface);
|
|
}
|
|
type = Type::typeinfointerface->type;
|
|
}
|
|
|
|
/***************************** TypeInfoTypedefDeclaration *********************/
|
|
|
|
TypeInfoTypedefDeclaration::TypeInfoTypedefDeclaration(Type *tinfo)
|
|
: TypeInfoDeclaration(tinfo, 0)
|
|
{
|
|
if (!Type::typeinfotypedef)
|
|
{
|
|
ObjectNotFound(Id::TypeInfo_Typedef);
|
|
}
|
|
type = Type::typeinfotypedef->type;
|
|
}
|
|
|
|
/***************************** TypeInfoPointerDeclaration *********************/
|
|
|
|
TypeInfoPointerDeclaration::TypeInfoPointerDeclaration(Type *tinfo)
|
|
: TypeInfoDeclaration(tinfo, 0)
|
|
{
|
|
if (!Type::typeinfopointer)
|
|
{
|
|
ObjectNotFound(Id::TypeInfo_Pointer);
|
|
}
|
|
type = Type::typeinfopointer->type;
|
|
}
|
|
|
|
/***************************** TypeInfoArrayDeclaration ***********************/
|
|
|
|
TypeInfoArrayDeclaration::TypeInfoArrayDeclaration(Type *tinfo)
|
|
: TypeInfoDeclaration(tinfo, 0)
|
|
{
|
|
if (!Type::typeinfoarray)
|
|
{
|
|
ObjectNotFound(Id::TypeInfo_Array);
|
|
}
|
|
type = Type::typeinfoarray->type;
|
|
}
|
|
|
|
/***************************** TypeInfoStaticArrayDeclaration *****************/
|
|
|
|
TypeInfoStaticArrayDeclaration::TypeInfoStaticArrayDeclaration(Type *tinfo)
|
|
: TypeInfoDeclaration(tinfo, 0)
|
|
{
|
|
if (!Type::typeinfostaticarray)
|
|
{
|
|
ObjectNotFound(Id::TypeInfo_StaticArray);
|
|
}
|
|
type = Type::typeinfostaticarray->type;
|
|
}
|
|
|
|
/***************************** TypeInfoAssociativeArrayDeclaration ************/
|
|
|
|
TypeInfoAssociativeArrayDeclaration::TypeInfoAssociativeArrayDeclaration(Type *tinfo)
|
|
: TypeInfoDeclaration(tinfo, 0)
|
|
{
|
|
if (!Type::typeinfoassociativearray)
|
|
{
|
|
ObjectNotFound(Id::TypeInfo_AssociativeArray);
|
|
}
|
|
type = Type::typeinfoassociativearray->type;
|
|
}
|
|
|
|
/***************************** TypeInfoVectorDeclaration ***********************/
|
|
|
|
TypeInfoVectorDeclaration::TypeInfoVectorDeclaration(Type *tinfo)
|
|
: TypeInfoDeclaration(tinfo, 0)
|
|
{
|
|
if (!Type::typeinfoarray)
|
|
{
|
|
ObjectNotFound(Id::TypeInfo_Vector);
|
|
}
|
|
type = Type::typeinfovector->type;
|
|
}
|
|
|
|
/***************************** TypeInfoEnumDeclaration ***********************/
|
|
|
|
TypeInfoEnumDeclaration::TypeInfoEnumDeclaration(Type *tinfo)
|
|
: TypeInfoDeclaration(tinfo, 0)
|
|
{
|
|
if (!Type::typeinfoenum)
|
|
{
|
|
ObjectNotFound(Id::TypeInfo_Enum);
|
|
}
|
|
type = Type::typeinfoenum->type;
|
|
}
|
|
|
|
/***************************** TypeInfoFunctionDeclaration ********************/
|
|
|
|
TypeInfoFunctionDeclaration::TypeInfoFunctionDeclaration(Type *tinfo)
|
|
: TypeInfoDeclaration(tinfo, 0)
|
|
{
|
|
if (!Type::typeinfofunction)
|
|
{
|
|
ObjectNotFound(Id::TypeInfo_Function);
|
|
}
|
|
type = Type::typeinfofunction->type;
|
|
}
|
|
|
|
/***************************** TypeInfoDelegateDeclaration ********************/
|
|
|
|
TypeInfoDelegateDeclaration::TypeInfoDelegateDeclaration(Type *tinfo)
|
|
: TypeInfoDeclaration(tinfo, 0)
|
|
{
|
|
if (!Type::typeinfodelegate)
|
|
{
|
|
ObjectNotFound(Id::TypeInfo_Delegate);
|
|
}
|
|
type = Type::typeinfodelegate->type;
|
|
}
|
|
|
|
/***************************** TypeInfoTupleDeclaration **********************/
|
|
|
|
TypeInfoTupleDeclaration::TypeInfoTupleDeclaration(Type *tinfo)
|
|
: TypeInfoDeclaration(tinfo, 0)
|
|
{
|
|
if (!Type::typeinfotypelist)
|
|
{
|
|
ObjectNotFound(Id::TypeInfo_Tuple);
|
|
}
|
|
type = Type::typeinfotypelist->type;
|
|
}
|
|
|
|
/********************************* ThisDeclaration ****************************/
|
|
|
|
// For the "this" parameter to member functions
|
|
|
|
ThisDeclaration::ThisDeclaration(Loc loc, Type *t)
|
|
: VarDeclaration(loc, t, Id::This, NULL)
|
|
{
|
|
noscope = 1;
|
|
}
|
|
|
|
Dsymbol *ThisDeclaration::syntaxCopy(Dsymbol *s)
|
|
{
|
|
assert(0); // should never be produced by syntax
|
|
return NULL;
|
|
}
|
|
|
|
/********************** StaticStructInitDeclaration ***************************/
|
|
|
|
StaticStructInitDeclaration::StaticStructInitDeclaration(Loc loc, StructDeclaration *dsym)
|
|
: Declaration(new Identifier("", TOKidentifier))
|
|
{
|
|
this->loc = loc;
|
|
this->dsym = dsym;
|
|
storage_class |= STCconst;
|
|
}
|