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attrib.c
1478 lines (1284 loc) · 38 KB
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attrib.c
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// Compiler implementation of the D programming language
// Copyright (c) 1999-2010 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 <stdlib.h>
#include <assert.h>
#include "rmem.h"
#include "init.h"
#include "declaration.h"
#include "attrib.h"
#include "cond.h"
#include "scope.h"
#include "id.h"
#include "expression.h"
#include "dsymbol.h"
#include "aggregate.h"
#include "module.h"
#include "parse.h"
#include "template.h"
#if TARGET_NET
#include "frontend.net/pragma.h"
#endif
extern void obj_includelib(const char *name);
void obj_startaddress(Symbol *s);
/********************************* AttribDeclaration ****************************/
AttribDeclaration::AttribDeclaration(Array *decl)
: Dsymbol()
{
this->decl = decl;
}
Array *AttribDeclaration::include(Scope *sc, ScopeDsymbol *sd)
{
return decl;
}
int AttribDeclaration::addMember(Scope *sc, ScopeDsymbol *sd, int memnum)
{
int m = 0;
Array *d = include(sc, sd);
if (d)
{
for (unsigned i = 0; i < d->dim; i++)
{ Dsymbol *s = (Dsymbol *)d->data[i];
m |= s->addMember(sc, sd, m | memnum);
}
}
return m;
}
void AttribDeclaration::setScopeNewSc(Scope *sc,
StorageClass stc, enum LINK linkage, enum PROT protection, int explicitProtection,
unsigned structalign)
{
if (decl)
{
Scope *newsc = sc;
if (stc != sc->stc ||
linkage != sc->linkage ||
protection != sc->protection ||
explicitProtection != sc->explicitProtection ||
structalign != sc->structalign)
{
// create new one for changes
newsc = new Scope(*sc);
newsc->flags &= ~SCOPEfree;
newsc->stc = stc;
newsc->linkage = linkage;
newsc->protection = protection;
newsc->explicitProtection = explicitProtection;
newsc->structalign = structalign;
}
for (unsigned i = 0; i < decl->dim; i++)
{ Dsymbol *s = (Dsymbol *)decl->data[i];
s->setScope(newsc); // yes, the only difference from semanticNewSc()
}
if (newsc != sc)
{
sc->offset = newsc->offset;
newsc->pop();
}
}
}
void AttribDeclaration::semanticNewSc(Scope *sc,
StorageClass stc, enum LINK linkage, enum PROT protection, int explicitProtection,
unsigned structalign)
{
if (decl)
{
Scope *newsc = sc;
if (stc != sc->stc ||
linkage != sc->linkage ||
protection != sc->protection ||
explicitProtection != sc->explicitProtection ||
structalign != sc->structalign)
{
// create new one for changes
newsc = new Scope(*sc);
newsc->flags &= ~SCOPEfree;
newsc->stc = stc;
newsc->linkage = linkage;
newsc->protection = protection;
newsc->explicitProtection = explicitProtection;
newsc->structalign = structalign;
}
for (unsigned i = 0; i < decl->dim; i++)
{ Dsymbol *s = (Dsymbol *)decl->data[i];
s->semantic(newsc);
}
if (newsc != sc)
{
sc->offset = newsc->offset;
newsc->pop();
}
}
}
void AttribDeclaration::semantic(Scope *sc)
{
Array *d = include(sc, NULL);
//printf("\tAttribDeclaration::semantic '%s', d = %p\n",toChars(), d);
if (d)
{
for (unsigned i = 0; i < d->dim; i++)
{
Dsymbol *s = (Dsymbol *)d->data[i];
s->semantic(sc);
}
}
}
void AttribDeclaration::semantic2(Scope *sc)
{
Array *d = include(sc, NULL);
if (d)
{
for (unsigned i = 0; i < d->dim; i++)
{ Dsymbol *s = (Dsymbol *)d->data[i];
s->semantic2(sc);
}
}
}
void AttribDeclaration::semantic3(Scope *sc)
{
Array *d = include(sc, NULL);
if (d)
{
for (unsigned i = 0; i < d->dim; i++)
{ Dsymbol *s = (Dsymbol *)d->data[i];
s->semantic3(sc);
}
}
}
void AttribDeclaration::inlineScan()
{
Array *d = include(NULL, NULL);
if (d)
{
for (unsigned i = 0; i < d->dim; i++)
{ Dsymbol *s = (Dsymbol *)d->data[i];
//printf("AttribDeclaration::inlineScan %s\n", s->toChars());
s->inlineScan();
}
}
}
void AttribDeclaration::addComment(unsigned char *comment)
{
if (comment)
{
Array *d = include(NULL, NULL);
if (d)
{
for (unsigned i = 0; i < d->dim; i++)
{ Dsymbol *s = (Dsymbol *)d->data[i];
//printf("AttribDeclaration::addComment %s\n", s->toChars());
s->addComment(comment);
}
}
}
}
void AttribDeclaration::emitComment(Scope *sc)
{
//printf("AttribDeclaration::emitComment(sc = %p)\n", sc);
/* A general problem with this, illustrated by BUGZILLA 2516,
* is that attributes are not transmitted through to the underlying
* member declarations for template bodies, because semantic analysis
* is not done for template declaration bodies
* (only template instantiations).
* Hence, Ddoc omits attributes from template members.
*/
Array *d = include(NULL, NULL);
if (d)
{
for (unsigned i = 0; i < d->dim; i++)
{ Dsymbol *s = (Dsymbol *)d->data[i];
//printf("AttribDeclaration::emitComment %s\n", s->toChars());
s->emitComment(sc);
}
}
}
void AttribDeclaration::toObjFile(int multiobj)
{
Array *d = include(NULL, NULL);
if (d)
{
for (unsigned i = 0; i < d->dim; i++)
{ Dsymbol *s = (Dsymbol *)d->data[i];
s->toObjFile(multiobj);
}
}
}
int AttribDeclaration::cvMember(unsigned char *p)
{
int nwritten = 0;
int n;
Array *d = include(NULL, NULL);
if (d)
{
for (unsigned i = 0; i < d->dim; i++)
{ Dsymbol *s = (Dsymbol *)d->data[i];
n = s->cvMember(p);
if (p)
p += n;
nwritten += n;
}
}
return nwritten;
}
int AttribDeclaration::hasPointers()
{
Array *d = include(NULL, NULL);
if (d)
{
for (size_t i = 0; i < d->dim; i++)
{
Dsymbol *s = (Dsymbol *)d->data[i];
if (s->hasPointers())
return 1;
}
}
return 0;
}
const char *AttribDeclaration::kind()
{
return "attribute";
}
int AttribDeclaration::oneMember(Dsymbol **ps)
{
Array *d = include(NULL, NULL);
return Dsymbol::oneMembers(d, ps);
}
void AttribDeclaration::checkCtorConstInit()
{
Array *d = include(NULL, NULL);
if (d)
{
for (unsigned i = 0; i < d->dim; i++)
{ Dsymbol *s = (Dsymbol *)d->data[i];
s->checkCtorConstInit();
}
}
}
/****************************************
*/
void AttribDeclaration::addLocalClass(ClassDeclarations *aclasses)
{
Array *d = include(NULL, NULL);
if (d)
{
for (unsigned i = 0; i < d->dim; i++)
{ Dsymbol *s = (Dsymbol *)d->data[i];
s->addLocalClass(aclasses);
}
}
}
void AttribDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
{
if (decl)
{
if (decl->dim == 0)
buf->writestring("{}");
else if (decl->dim == 1)
((Dsymbol *)decl->data[0])->toCBuffer(buf, hgs);
else
{
buf->writenl();
buf->writeByte('{');
buf->writenl();
for (unsigned i = 0; i < decl->dim; i++)
{
Dsymbol *s = (Dsymbol *)decl->data[i];
buf->writestring(" ");
s->toCBuffer(buf, hgs);
}
buf->writeByte('}');
}
}
else
buf->writeByte(';');
buf->writenl();
}
/************************* StorageClassDeclaration ****************************/
StorageClassDeclaration::StorageClassDeclaration(StorageClass stc, Array *decl)
: AttribDeclaration(decl)
{
this->stc = stc;
}
Dsymbol *StorageClassDeclaration::syntaxCopy(Dsymbol *s)
{
StorageClassDeclaration *scd;
assert(!s);
scd = new StorageClassDeclaration(stc, Dsymbol::arraySyntaxCopy(decl));
return scd;
}
void StorageClassDeclaration::setScope(Scope *sc)
{
if (decl)
{
StorageClass scstc = sc->stc;
/* These sets of storage classes are mutually exclusive,
* so choose the innermost or most recent one.
*/
if (stc & (STCauto | STCscope | STCstatic | STCextern | STCmanifest))
scstc &= ~(STCauto | STCscope | STCstatic | STCextern | STCmanifest);
if (stc & (STCauto | STCscope | STCstatic | STCtls | STCmanifest | STCgshared))
scstc &= ~(STCauto | STCscope | STCstatic | STCtls | STCmanifest | STCgshared);
if (stc & (STCconst | STCimmutable | STCmanifest))
scstc &= ~(STCconst | STCimmutable | STCmanifest);
if (stc & (STCgshared | STCshared | STCtls))
scstc &= ~(STCgshared | STCshared | STCtls);
if (stc & (STCsafe | STCtrusted | STCsystem))
scstc &= ~(STCsafe | STCtrusted | STCsystem);
scstc |= stc;
setScopeNewSc(sc, scstc, sc->linkage, sc->protection, sc->explicitProtection, sc->structalign);
}
}
void StorageClassDeclaration::semantic(Scope *sc)
{
if (decl)
{
StorageClass scstc = sc->stc;
/* These sets of storage classes are mutually exclusive,
* so choose the innermost or most recent one.
*/
if (stc & (STCauto | STCscope | STCstatic | STCextern | STCmanifest))
scstc &= ~(STCauto | STCscope | STCstatic | STCextern | STCmanifest);
if (stc & (STCauto | STCscope | STCstatic | STCtls | STCmanifest | STCgshared))
scstc &= ~(STCauto | STCscope | STCstatic | STCtls | STCmanifest | STCgshared);
if (stc & (STCconst | STCimmutable | STCmanifest))
scstc &= ~(STCconst | STCimmutable | STCmanifest);
if (stc & (STCgshared | STCshared | STCtls))
scstc &= ~(STCgshared | STCshared | STCtls);
if (stc & (STCsafe | STCtrusted | STCsystem))
scstc &= ~(STCsafe | STCtrusted | STCsystem);
scstc |= stc;
semanticNewSc(sc, scstc, sc->linkage, sc->protection, sc->explicitProtection, sc->structalign);
}
}
void StorageClassDeclaration::stcToCBuffer(OutBuffer *buf, StorageClass stc)
{
struct SCstring
{
StorageClass stc;
enum TOK tok;
};
static SCstring table[] =
{
{ STCauto, TOKauto },
{ STCscope, TOKscope },
{ STCstatic, TOKstatic },
{ STCextern, TOKextern },
{ STCconst, TOKconst },
{ STCfinal, TOKfinal },
{ STCabstract, TOKabstract },
{ STCsynchronized, TOKsynchronized },
{ STCdeprecated, TOKdeprecated },
{ STCoverride, TOKoverride },
{ STClazy, TOKlazy },
{ STCalias, TOKalias },
{ STCout, TOKout },
{ STCin, TOKin },
#if DMDV2
{ STCimmutable, TOKimmutable },
{ STCshared, TOKshared },
{ STCnothrow, TOKnothrow },
{ STCpure, TOKpure },
{ STCref, TOKref },
{ STCtls, TOKtls },
{ STCgshared, TOKgshared },
{ STCproperty, TOKat },
{ STCsafe, TOKat },
{ STCtrusted, TOKat },
{ STCdisable, TOKat },
#endif
};
for (int i = 0; i < sizeof(table)/sizeof(table[0]); i++)
{
if (stc & table[i].stc)
{
enum TOK tok = table[i].tok;
#if DMDV2
if (tok == TOKat)
{ Identifier *id;
if (stc & STCproperty)
id = Id::property;
else if (stc & STCsafe)
id = Id::safe;
else if (stc & STCtrusted)
id = Id::trusted;
else if (stc & STCdisable)
id = Id::disable;
else
assert(0);
buf->writeByte('@');
buf->writestring(id->toChars());
}
else
#endif
buf->writestring(Token::toChars(tok));
buf->writeByte(' ');
}
}
}
void StorageClassDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
{
stcToCBuffer(buf, stc);
AttribDeclaration::toCBuffer(buf, hgs);
}
/********************************* LinkDeclaration ****************************/
LinkDeclaration::LinkDeclaration(enum LINK p, Array *decl)
: AttribDeclaration(decl)
{
//printf("LinkDeclaration(linkage = %d, decl = %p)\n", p, decl);
linkage = p;
}
Dsymbol *LinkDeclaration::syntaxCopy(Dsymbol *s)
{
LinkDeclaration *ld;
assert(!s);
ld = new LinkDeclaration(linkage, Dsymbol::arraySyntaxCopy(decl));
return ld;
}
void LinkDeclaration::setScope(Scope *sc)
{
//printf("LinkDeclaration::setScope(linkage = %d, decl = %p)\n", linkage, decl);
if (decl)
{
setScopeNewSc(sc, sc->stc, linkage, sc->protection, sc->explicitProtection, sc->structalign);
}
}
void LinkDeclaration::semantic(Scope *sc)
{
//printf("LinkDeclaration::semantic(linkage = %d, decl = %p)\n", linkage, decl);
if (decl)
{
semanticNewSc(sc, sc->stc, linkage, sc->protection, sc->explicitProtection, sc->structalign);
}
}
void LinkDeclaration::semantic3(Scope *sc)
{
//printf("LinkDeclaration::semantic3(linkage = %d, decl = %p)\n", linkage, decl);
if (decl)
{ enum LINK linkage_save = sc->linkage;
sc->linkage = linkage;
for (unsigned i = 0; i < decl->dim; i++)
{
Dsymbol *s = (Dsymbol *)decl->data[i];
s->semantic3(sc);
}
sc->linkage = linkage_save;
}
else
{
sc->linkage = linkage;
}
}
void LinkDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
{ const char *p;
switch (linkage)
{
case LINKd: p = "D"; break;
case LINKc: p = "C"; break;
case LINKcpp: p = "C++"; break;
case LINKwindows: p = "Windows"; break;
case LINKpascal: p = "Pascal"; break;
default:
assert(0);
break;
}
buf->writestring("extern (");
buf->writestring(p);
buf->writestring(") ");
AttribDeclaration::toCBuffer(buf, hgs);
}
char *LinkDeclaration::toChars()
{
return (char *)"extern ()";
}
/********************************* ProtDeclaration ****************************/
ProtDeclaration::ProtDeclaration(enum PROT p, Array *decl)
: AttribDeclaration(decl)
{
protection = p;
//printf("decl = %p\n", decl);
}
Dsymbol *ProtDeclaration::syntaxCopy(Dsymbol *s)
{
ProtDeclaration *pd;
assert(!s);
pd = new ProtDeclaration(protection, Dsymbol::arraySyntaxCopy(decl));
return pd;
}
void ProtDeclaration::setScope(Scope *sc)
{
if (decl)
{
setScopeNewSc(sc, sc->stc, sc->linkage, protection, 1, sc->structalign);
}
}
void ProtDeclaration::importAll(Scope *sc)
{
Scope *newsc = sc;
if (sc->protection != protection ||
sc->explicitProtection != 1)
{
// create new one for changes
newsc = new Scope(*sc);
newsc->flags &= ~SCOPEfree;
newsc->protection = protection;
newsc->explicitProtection = 1;
}
for (int i = 0; i < decl->dim; i++)
{
Dsymbol *s = (Dsymbol *)decl->data[i];
s->importAll(newsc);
}
if (newsc != sc)
newsc->pop();
}
void ProtDeclaration::semantic(Scope *sc)
{
if (decl)
{
semanticNewSc(sc, sc->stc, sc->linkage, protection, 1, sc->structalign);
}
}
void ProtDeclaration::protectionToCBuffer(OutBuffer *buf, enum PROT protection)
{
const char *p;
switch (protection)
{
case PROTprivate: p = "private"; break;
case PROTpackage: p = "package"; break;
case PROTprotected: p = "protected"; break;
case PROTpublic: p = "public"; break;
case PROTexport: p = "export"; break;
default:
assert(0);
break;
}
buf->writestring(p);
buf->writeByte(' ');
}
void ProtDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
{
protectionToCBuffer(buf, protection);
AttribDeclaration::toCBuffer(buf, hgs);
}
/********************************* AlignDeclaration ****************************/
AlignDeclaration::AlignDeclaration(unsigned sa, Array *decl)
: AttribDeclaration(decl)
{
salign = sa;
}
Dsymbol *AlignDeclaration::syntaxCopy(Dsymbol *s)
{
AlignDeclaration *ad;
assert(!s);
ad = new AlignDeclaration(salign, Dsymbol::arraySyntaxCopy(decl));
return ad;
}
void AlignDeclaration::setScope(Scope *sc)
{
//printf("\tAlignDeclaration::setScope '%s'\n",toChars());
if (decl)
{
setScopeNewSc(sc, sc->stc, sc->linkage, sc->protection, sc->explicitProtection, salign);
}
}
void AlignDeclaration::semantic(Scope *sc)
{
//printf("\tAlignDeclaration::semantic '%s'\n",toChars());
if (decl)
{
semanticNewSc(sc, sc->stc, sc->linkage, sc->protection, sc->explicitProtection, salign);
}
}
void AlignDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
{
buf->printf("align (%d)", salign);
AttribDeclaration::toCBuffer(buf, hgs);
}
/********************************* AnonDeclaration ****************************/
AnonDeclaration::AnonDeclaration(Loc loc, int isunion, Array *decl)
: AttribDeclaration(decl)
{
this->loc = loc;
this->isunion = isunion;
this->sem = 0;
}
Dsymbol *AnonDeclaration::syntaxCopy(Dsymbol *s)
{
AnonDeclaration *ad;
assert(!s);
ad = new AnonDeclaration(loc, isunion, Dsymbol::arraySyntaxCopy(decl));
return ad;
}
void AnonDeclaration::semantic(Scope *sc)
{
//printf("\tAnonDeclaration::semantic %s %p\n", isunion ? "union" : "struct", this);
Scope *scx = NULL;
if (scope)
{ sc = scope;
scx = scope;
scope = NULL;
}
unsigned dprogress_save = Module::dprogress;
assert(sc->parent);
Dsymbol *parent = sc->parent->pastMixin();
AggregateDeclaration *ad = parent->isAggregateDeclaration();
if (!ad || (!ad->isStructDeclaration() && !ad->isClassDeclaration()))
{
error("can only be a part of an aggregate");
return;
}
if (decl)
{
AnonymousAggregateDeclaration aad;
int adisunion;
if (sc->anonAgg)
{ ad = sc->anonAgg;
adisunion = sc->inunion;
}
else
adisunion = ad->isUnionDeclaration() != NULL;
// printf("\tsc->anonAgg = %p\n", sc->anonAgg);
// printf("\tad = %p\n", ad);
// printf("\taad = %p\n", &aad);
sc = sc->push();
sc->anonAgg = &aad;
sc->stc &= ~(STCauto | STCscope | STCstatic | STCtls | STCgshared);
sc->inunion = isunion;
sc->offset = 0;
sc->flags = 0;
aad.structalign = sc->structalign;
aad.parent = ad;
for (unsigned i = 0; i < decl->dim; i++)
{
Dsymbol *s = (Dsymbol *)decl->data[i];
s->semantic(sc);
if (isunion)
sc->offset = 0;
if (aad.sizeok == 2)
{
break;
}
}
sc = sc->pop();
// If failed due to forward references, unwind and try again later
if (aad.sizeok == 2)
{
ad->sizeok = 2;
//printf("\tsetting ad->sizeok %p to 2\n", ad);
if (!sc->anonAgg)
{
scope = scx ? scx : new Scope(*sc);
scope->setNoFree();
scope->module->addDeferredSemantic(this);
}
Module::dprogress = dprogress_save;
//printf("\tforward reference %p\n", this);
return;
}
if (sem == 0)
{ Module::dprogress++;
sem = 1;
//printf("\tcompleted %p\n", this);
}
else
;//printf("\talready completed %p\n", this);
// 0 sized structs are set to 1 byte
if (aad.structsize == 0)
{
aad.structsize = 1;
aad.alignsize = 1;
}
// Align size of anonymous aggregate
//printf("aad.structalign = %d, aad.alignsize = %d, sc->offset = %d\n", aad.structalign, aad.alignsize, sc->offset);
ad->alignmember(aad.structalign, aad.alignsize, &sc->offset);
//ad->structsize = sc->offset;
//printf("sc->offset = %d\n", sc->offset);
// Add members of aad to ad
//printf("\tadding members of aad to '%s'\n", ad->toChars());
for (unsigned i = 0; i < aad.fields.dim; i++)
{
VarDeclaration *v = (VarDeclaration *)aad.fields.data[i];
v->offset += sc->offset;
ad->fields.push(v);
}
// Add size of aad to ad
if (adisunion)
{
if (aad.structsize > ad->structsize)
ad->structsize = aad.structsize;
sc->offset = 0;
}
else
{
ad->structsize = sc->offset + aad.structsize;
sc->offset = ad->structsize;
}
if (ad->alignsize < aad.alignsize)
ad->alignsize = aad.alignsize;
}
}
void AnonDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
{
buf->printf(isunion ? "union" : "struct");
buf->writestring("\n{\n");
if (decl)
{
for (unsigned i = 0; i < decl->dim; i++)
{
Dsymbol *s = (Dsymbol *)decl->data[i];
//buf->writestring(" ");
s->toCBuffer(buf, hgs);
}
}
buf->writestring("}\n");
}
const char *AnonDeclaration::kind()
{
return (isunion ? "anonymous union" : "anonymous struct");
}
/********************************* PragmaDeclaration ****************************/
PragmaDeclaration::PragmaDeclaration(Loc loc, Identifier *ident, Expressions *args, Array *decl)
: AttribDeclaration(decl)
{
this->loc = loc;
this->ident = ident;
this->args = args;
}
Dsymbol *PragmaDeclaration::syntaxCopy(Dsymbol *s)
{
//printf("PragmaDeclaration::syntaxCopy(%s)\n", toChars());
PragmaDeclaration *pd;
assert(!s);
pd = new PragmaDeclaration(loc, ident,
Expression::arraySyntaxCopy(args), Dsymbol::arraySyntaxCopy(decl));
return pd;
}
void PragmaDeclaration::setScope(Scope *sc)
{
#if TARGET_NET
if (ident == Lexer::idPool("assembly"))
{
if (!args || args->dim != 1)
{
error("pragma has invalid number of arguments");
}
else
{
Expression *e = (Expression *)args->data[0];
e = e->semantic(sc);
e = e->optimize(WANTvalue | WANTinterpret);
args->data[0] = (void *)e;
if (e->op != TOKstring)
{
error("string expected, not '%s'", e->toChars());
}
PragmaScope* pragma = new PragmaScope(this, sc->parent, static_cast<StringExp*>(e));
assert(sc);
pragma->setScope(sc);
//add to module members
assert(sc->module);
assert(sc->module->members);
sc->module->members->push(pragma);
}
}
#endif // TARGET_NET
}
void PragmaDeclaration::semantic(Scope *sc)
{ // Should be merged with PragmaStatement
//printf("\tPragmaDeclaration::semantic '%s'\n",toChars());
if (ident == Id::msg)
{
if (args)
{
for (size_t i = 0; i < args->dim; i++)
{
Expression *e = (Expression *)args->data[i];
e = e->semantic(sc);
e = e->optimize(WANTvalue | WANTinterpret);
if (e->op == TOKstring)
{
StringExp *se = (StringExp *)e;
fprintf(stdmsg, "%.*s", (int)se->len, (char *)se->string);
}
else
fprintf(stdmsg, "%s", e->toChars());
}
fprintf(stdmsg, "\n");
}
goto Lnodecl;
}
else if (ident == Id::lib)
{
if (!args || args->dim != 1)
error("string expected for library name");
else
{
Expression *e = (Expression *)args->data[0];
e = e->semantic(sc);
e = e->optimize(WANTvalue | WANTinterpret);
args->data[0] = (void *)e;
if (e->op == TOKerror)
goto Lnodecl;
if (e->op != TOKstring)
error("string expected for library name, not '%s'", e->toChars());
else if (global.params.verbose)
{
StringExp *se = (StringExp *)e;
char *name = (char *)mem.malloc(se->len + 1);
memcpy(name, se->string, se->len);
name[se->len] = 0;
printf("library %s\n", name);
mem.free(name);
}
}
goto Lnodecl;
}
#if IN_GCC
else if (ident == Id::GNU_asm)
{
if (! args || args->dim != 2)
error("identifier and string expected for asm name");
else
{
Expression *e;
Declaration *d = NULL;
StringExp *s = NULL;
e = (Expression *)args->data[0];
e = e->semantic(sc);
if (e->op == TOKvar)
{
d = ((VarExp *)e)->var;
if (! d->isFuncDeclaration() && ! d->isVarDeclaration())
d = NULL;
}
if (!d)
error("first argument of GNU_asm must be a function or variable declaration");
e = (Expression *)args->data[1];
e = e->semantic(sc);
e = e->optimize(WANTvalue);
if (e->op == TOKstring && ((StringExp *)e)->sz == 1)
s = ((StringExp *)e);