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Another shot at fixing the issues with (constant) struct literals and their addresses. See DMD2682, #218, #324. The idea is to separate the notion of const from 'this variable can always be replaced with its initializer' in the frontend. To do that, I introduced Declaration::isSameAsInitializer, which is overridden in VarDeclaration to return false for constants that have a struct literal initializer. So {{{ const S s = S(5); void foo() { auto ps = &s; } // is no longer replaced by void foo() { auto ps = &(S(5)); } }}} To make taking the address of a struct constant with a struct-initializer outside of function scope possible, I made sure that AddrExp::optimize doesn't try to run the argument's optimization with WANTinterpret - that'd again replace the constant with a struct literal temporary.
author Christian Kamm <kamm incasoftware de>
date Sun, 14 Jun 2009 19:49:58 +0200
parents 638d16625da2
children
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// Compiler implementation of the D programming language
// Copyright (c) 1999-2006 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.

#ifndef DMD_TOTAL_H
#define DMD_TOTAL_H

#ifdef __DMC__
#pragma once
#endif /* __DMC__ */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <wchar.h>

#include "root.h"
#include "stringtable.h"

#include "arraytypes.h"
#include "mars.h"
#include "lexer.h"
#include "parse.h"
#include "identifier.h"
#include "enum.h"
#include "aggregate.h"
#include "mtype.h"
#include "expression.h"
#include "declaration.h"
#include "statement.h"
#include "scope.h"
#include "import.h"
#include "module.h"
#include "id.h"
#include "cond.h"
#include "version.h"
#include "lib.h"

#endif /* DMD_TOTAL_H */