view dmd/hdrgen.c @ 1052:12ea38902e83

Add '-singleobj' command line switch that will tell LDC to link LLVM modules internally and only emit a single object file. The switch allows the optimizer and inliner to run on all modules at once and opens the door for template instantiation improvements that should lower compile time and executable size.
author Christian Kamm <kamm incasoftware de>
date Sat, 07 Mar 2009 19:38:00 +0100
parents cbd6c8073a32
children b30fe7e1dbb9
line wrap: on
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// Compiler implementation of the D programming language
// Copyright (c) 1999-2006 by Digital Mars
// All Rights Reserved
// Initial header generation implementation by Dave Fladebo
// 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.

// Routines to emit header files

#ifdef _DH

#define PRETTY_PRINT
#define TEST_EMIT_ALL  0	// For Testing

#define LOG 0

#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#if __DMC__
#include <complex.h>
#endif

#if IN_GCC || IN_LLVM
#include "mem.h"
#else
#if _WIN32
#include "..\root\mem.h"
#elif POSIX
#include "../root/mem.h"
#else
#error "fix this"
#endif
#endif

#include "id.h"
#include "init.h"

#include "attrib.h"
#include "cond.h"
#include "enum.h"
#include "import.h"
#include "module.h"
#include "mtype.h"
#include "scope.h"
#include "staticassert.h"
#include "template.h"
#include "utf.h"
#include "version.h"

#include "declaration.h"
#include "aggregate.h"
#include "expression.h"
#include "statement.h"
#include "mtype.h"
#include "hdrgen.h"

void argsToCBuffer(OutBuffer *buf, Array *arguments, HdrGenState *hgs);

void Module::genhdrfile()
{
    OutBuffer hdrbufr;

    hdrbufr.printf("// D import file generated from '%s'", srcfile->toChars());
    hdrbufr.writenl();

    HdrGenState hgs;
    memset(&hgs, 0, sizeof(hgs));
    hgs.hdrgen = 1;

    toCBuffer(&hdrbufr, &hgs);

    // Transfer image to file
    hdrfile->setbuffer(hdrbufr.data, hdrbufr.offset);
    hdrbufr.data = NULL;

    char *pt = FileName::path(hdrfile->toChars());
    if (*pt)
	FileName::ensurePathExists(pt);
    mem.free(pt);
    hdrfile->writev();
}


void Module::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
{
    if (md)
    {
        buf->writestring("module ");
	buf->writestring(md->toChars());
        buf->writebyte(';');
        buf->writenl();
    }

    for (int i = 0; i < members->dim; i++)
    {   Dsymbol *s = (Dsymbol *)members->data[i];

        s->toHBuffer(buf, hgs);
    }
}


void Dsymbol::toHBuffer(OutBuffer *buf, HdrGenState *hgs)
{
    toCBuffer(buf, hgs);
}


/*************************************/

#endif // #ifdef _DH