SYMBOL *gen_mp_virtual_thunk(SYMBOL *vsp)
{
QUAD *oi = intermed_head, *ot = intermed_tail;
LIST *v = mpthunklist;
SYMBOL *sp;
IMODE *ap1, *ap2;
char buf[256];
while (v)
{
sp = (SYMBOL*)v->data;
if (sp->value.i == vsp->value.classdata.vtabindex)
if (isstructured(vsp->tp->btp) == isstructured(sp->tp->btp))
return sp;
v = v->link;
}
intermed_head = intermed_tail = NULL;
blockMax = 0;
blockCount = tempCount = 0;
exitBlock = 0;
IncGlobalFlag();
sp = Alloc(sizeof(SYMBOL));
sp->storage_class = sc_static;
sp->tp = vsp->tp;
sp->value.i = vsp->value.classdata.vtabindex;
//sprintf(buf, "@$mpt$%d$%d", sp->value.i, isstructured(sp->tp->btp));
sp->name = sp->decoratedName = litlate(buf);
sp->errname = sp->decoratedName;
sp->staticlabel = FALSE;
sp->gennedvirtfunc = TRUE;
v = (LIST *)Alloc(sizeof(LIST));
v->data = sp;
v->link = mpthunklist;
mpthunklist = v;
DecGlobalFlag();
gen_virtual(sp, FALSE);
addblock(i_goto);
gen_icode(i_substack, NULL, ap2 = tempreg(ISZ_ADDR, 0), NULL);
gen_icode(i_add, ap2, ap2 , make_immed(ISZ_NONE, isstructured(sp->tp->btp) ? ISZ_ADDR * 2 : ISZ_ADDR));
ap1 = indnode(ap2, ISZ_ADDR);
gen_icode(i_assn, ap2 = tempreg(ISZ_ADDR, 0), ap1, 0);
if (sp->value.classdata.baseofs)
gen_icode(i_add, ap2, ap2, make_immed(ISZ_NONE, sp->value.classdata.baseofs));
ap1 = indnode(ap2, ISZ_ADDR);
gen_icode(i_assn, ap2 = tempreg(ISZ_ADDR, 0), ap1, 0);
gen_icode(i_add, ap2, ap2, make_immed(ISZ_NONE, sp->value.i));
ap1 = indnode(ap2, ISZ_ADDR);
gen_icode(i_directbranch, 0, ap1, 0);
addblock(i_ret);
optimize();
rewrite_icode(); /* Translate to machine code & dump */
if (chosenAssembler->gen->post_function_gen)
chosenAssembler->gen->post_function_gen(intermed_head);
gen_endvirtual(sp);
intermed_head = oi;
intermed_tail = ot;
return sp;
}
LEXEME *concatStrings(LEXEME *lex, EXPRESSION **expr, enum e_lexType *tp, int *elems)
{
STRING *data;
lex = concatStringsInternal(lex, &data, elems);
IncGlobalFlag();
*expr = stringlit(data);
DecGlobalFlag();
*tp = data->strtype;
return lex;
}
LEXEME *concatStringsInternal(LEXEME *lex, STRING **str, int *elems)
{
SLCHAR **list;
char *suffix = NULL;
int count = 3;
int pos = 0 ;
enum e_lexType type = l_astr;
STRING *string;
IncGlobalFlag();
list = (SLCHAR **)Alloc(sizeof(SLCHAR *) * count);
while (lex && (lex->type == l_astr || lex->type == l_wstr || lex->type == l_ustr || lex->type == l_Ustr))
{
if (lex->type == l_Ustr)
type = l_Ustr;
else if (type != l_Ustr && lex->type == l_ustr)
type = l_ustr;
else if (type != l_Ustr && type != l_ustr && lex->type == l_wstr)
type = l_wstr;
if (lex->suffix)
{
if (suffix)
{
if (strcmp(lex->suffix, suffix) != 0)
error(ERR_LITERAL_SUFFIX_MISMATCH);
}
else
{
suffix = lex->suffix;
}
}
if (pos >= count)
{
SLCHAR **h = (SLCHAR **)Alloc(sizeof(SLCHAR *) * (count + 10));
memcpy(h, list, sizeof(SLCHAR *) * count);
list = h;
count += 10;
}
if (elems)
*elems += ((SLCHAR *)lex->value.s.w)->count;
list[pos++] = (SLCHAR *)lex->value.s.w;
lex = getsym();
}
string = (STRING *)Alloc(sizeof(STRING));
string->strtype = type;
string->size = pos;
string->pointers = Alloc(pos * sizeof(SLCHAR * ));
string->suffix = suffix;
memcpy(string->pointers, list, pos * sizeof(SLCHAR *));
*str = string;
DecGlobalFlag();
return lex;
}
/*-------------------------------------------------------------------------*/
void gather_cases(CASEDATA *cd, struct cases *cs)
{
int pos = 0;
if (!cs->ptrs) {
IncGlobalFlag();
cs->ptrs = (struct caseptrs *)Alloc((cs->count) * sizeof(struct caseptrs));
DecGlobalFlag();
}
while (cd)
{
cs->ptrs[pos].label = cd->label;
cs->ptrs[pos++].id = cd->val;
cd = cd->next;
}
}
LCHAR *wlitlate(LCHAR *name)
{
LCHAR *p = name;
int count=0;
LCHAR *rv;
while (*p)
p++, count++;
IncGlobalFlag();
rv = (LCHAR *)Alloc((count + 1) * sizeof(LCHAR));
DecGlobalFlag();
p = name;
count = 0;
while (*p)
rv[count++] = *p++;
rv[count] = 0;
return rv;
}
SYMBOL *gen_vsn_virtual_thunk(SYMBOL *func, int ofs)
{
QUAD *oi = intermed_head, *ot = intermed_tail;
SYMBOL *sp;
IMODE *ap1, *ap2;
char buf[256];
//sprintf(buf, "@$vsn%s$%d", func->decoratedName, ofs);
sp = search(buf, gsyms);
if (sp)
return sp;
intermed_head = intermed_tail = NULL;
blockMax = 0;
blockCount = tempCount = 0;
exitBlock = 0;
IncGlobalFlag();
sp = Alloc(sizeof(SYMBOL));
sp->storage_class = sc_static;
sp->value.i = ofs;
sp->name = sp->decoratedName = litlate(buf);
sp->errname = sp->decoratedName;
sp->staticlabel = FALSE;
sp->tp = func->tp;
sp->gennedvirtfunc = TRUE;
insert(sp, gsyms);
DecGlobalFlag();
gen_virtual(sp, FALSE);
addblock(i_goto);
gen_icode(i_substack, NULL, ap2 = tempreg(ISZ_ADDR, 0), NULL );
gen_icode(i_add, ap1 = tempreg(ISZ_ADDR, 0), ap2, make_immed(ISZ_NONE, getSize(bt_pointer)));
ap1 = indnode(ap1, ISZ_ADDR);
gen_icode(i_add, ap1, ap1 , make_immed(ISZ_NONE, - ofs));
ap1 = make_imaddress(varNode(en_napccon, func), ISZ_ADDR);
gen_icode(i_directbranch, 0, ap1, 0);
addblock(i_ret);
optimize();
rewrite_icode(); /* Translate to machine code & dump */
if (chosenAssembler->gen->post_function_gen)
chosenAssembler->gen->post_function_gen(intermed_head);
gen_endvirtual(sp);
intermed_head = oi;
intermed_tail = ot;
return sp;
}
IMODE *set_symbol(char *name, int isproc)
/*
* generate a call to a library routine.
*/
{
SYMBOL *sp;
IMODE *result;
(void) isproc;
sp = gsearch(name);
if (sp == 0)
{
LIST *l1;
IncGlobalFlag();
sp = (SYMBOL *)Alloc(sizeof(SYMBOL));
sp->storage_class = sc_external;
sp->name = sp->errname = sp->decoratedName = litlate(name);
sp->genreffed = TRUE;
sp->tp = (TYPE *)Alloc(sizeof(TYPE));
sp->tp->type = isproc ? bt_func : bt_int;
sp->safefunc = TRUE;
insert(sp, globalNameSpace->syms);
InsertExtern(sp);
DecGlobalFlag();
}
else
{
if (sp->storage_class == sc_overloads)
sp = (SYMBOL *)(sp->tp->syms->table[0]->p);
}
result = (IMODE *)Alloc(sizeof(IMODE));
result->offset = varNode(en_global, sp);
result->mode = i_direct;
if (isproc)
{
result->offset->type = en_pc;
if (chosenAssembler->arch->libsasimports)
result->mode = i_direct;
else
result->mode = i_immed;
}
return result;
}
LCHAR *wlitlate(LCHAR *name)
{
#ifndef BORLAND
extern int wcslen(short *);
#endif
LCHAR *p = name;
int count;
LCHAR *rv;
count = wcslen(name);
while (*p)
p++, count++;
IncGlobalFlag();
rv = (LCHAR *)Alloc((count + 1) * sizeof(LCHAR));
DecGlobalFlag();
p = name;
count = 0;
while (*p)
rv[count++] = *p++;
rv[count] = 0;
return rv;
}
LEXEME *expression_lambda(LEXEME *lex, SYMBOL *funcsp, TYPE *atp, TYPE **tp, EXPRESSION **exp, int flags)
{
LAMBDA *self;
SYMBOL *vpl, *ths;
HASHREC *hrl;
TYPE *ltp;
STRUCTSYM ssl;
if (funcsp)
funcsp->noinline = TRUE;
IncGlobalFlag();
self = Alloc(sizeof(LAMBDA));
ltp = Alloc(sizeof(TYPE));
ltp->type = bt_struct;
ltp->syms = CreateHashTable(1);
ltp->tags = CreateHashTable(1);
ltp->size = 0;
self->captured = CreateHashTable(1);
self->oldSyms = localNameSpace->syms;
self->oldTags = localNameSpace->tags;
self->index = lambdaIndex;
self->captureMode = cmNone;
self->isMutable = FALSE;
self->captureThis = FALSE;
self->cls = makeID(sc_type, ltp, NULL, LambdaName());
ltp->sp = self->cls;
SetLinkerNames(self->cls, lk_cdecl);
self->cls->islambda = TRUE;
self->cls->structAlign = getAlign(sc_global, &stdpointer);
self->func = makeID(sc_member, ltp, NULL, "$internalFunc");
self->func->parentClass = self->cls;
self->functp = &stdauto;
self->enclosingFunc = theCurrentFunc;
if (lambdas)
lambdas->prev = self;
self->next = lambdas;
lambdas = self;
localNameSpace->syms = CreateHashTable(1);
localNameSpace->tags = CreateHashTable(1);
if (lambdas->next)
{
self->lthis = lambdas->next->lthis;
}
else if (funcsp && funcsp->parentClass)
{
self->lthis = ((SYMBOL *)funcsp->tp->syms->table[0]->p);
}
lex = getsym(); // past [
if (funcsp)
{
// can have a capture list;
if (MATCHKW(lex, assign))
{
lex = getsym();
if (MATCHKW(lex, comma) || MATCHKW(lex, closebr))
{
self->captureMode = cmValue;
skip(&lex, comma);
}
else
{
lex = backupsym();
}
}
else if (MATCHKW(lex, and))
{
lex = getsym();
if (MATCHKW(lex, comma) || MATCHKW(lex, closebr))
{
self->captureMode = cmRef;
skip(&lex, comma);
}
else
{
lex = backupsym();
}
}
if (!MATCHKW(lex, comma) && !MATCHKW(lex, closebr))
{
do
{
enum e_cm localMode = self->captureMode;
if (MATCHKW(lex, comma))
skip(&lex, comma);
if (MATCHKW(lex, kw_this))
{
lex = getsym();
if (localMode == cmValue || !self->lthis)
{
error(ERR_CANNOT_CAPTURE_THIS);
}
else
{
if (self->captureThis)
{
error(ERR_CAPTURE_ITEM_LISTED_MULTIPLE_TIMES);
}
self->captureThis = TRUE;
lambda_capture(NULL, cmThis, TRUE);
}
continue;
}
else if (MATCHKW(lex, and))
{
if (localMode == cmRef)
{
error(ERR_INVALID_LAMBDA_CAPTURE_MODE);
}
localMode = cmRef;
lex = getsym();
}
else
{
if (localMode == cmValue)
{
error(ERR_INVALID_LAMBDA_CAPTURE_MODE);
}
localMode = cmValue;
}
if (ISID(lex))
{
SYMBOL *sp = search(lex->value.s.a, localNameSpace->syms);
LAMBDA *current = lambdas;
while (current && !sp)
{
sp = search(lex->value.s.a, current->oldSyms);
current = current->next;
}
lex = getsym();
if (sp)
{
if (sp->packed)
{
if (!MATCHKW(lex, ellipse))
error(ERR_PACK_SPECIFIER_REQUIRED_HERE);
else
lex = getsym();
}
if (sp->packed)
{
int n;
TEMPLATEPARAMLIST * templateParam = sp->tp->templateParam->p->byPack.pack;
HASHREC *hr;
for (n=0; templateParam; templateParam = templateParam->next, n++);
hr = funcsp->tp->syms->table[0];
while (hr && ((SYMBOL *)hr->p) != sp)
hr = hr->next;
while (hr && n)
{
lambda_capture((SYMBOL *)hr->p, localMode, TRUE);
hr = hr->next;
n--;
}
}
else
{
lambda_capture(sp, localMode, TRUE);
}
}
else
errorstr(ERR_UNDEFINED_IDENTIFIER, lex->value.s.a);
}
else
{
error(ERR_INVALID_LAMBDA_CAPTURE_MODE);
}
} while (MATCHKW(lex, comma));
}
needkw(&lex, closebr);
}
else
{
if (!MATCHKW(lex, closebr))
{
error(ERR_LAMBDA_CANNOT_CAPTURE);
}
else
{
lex = getsym();
}
}
if (MATCHKW(lex, openpa))
{
TYPE *tpx = &stdvoid;
HASHREC *hr;
lex = getFunctionParams(lex, NULL, &self->func, &tpx, FALSE, sc_auto);
self->funcargs = self->func->tp->syms->table[0];
hr = self->func->tp->syms->table[0];
while (hr)
{
SYMBOL *sym = (SYMBOL *)hr->p;
if (sym->init)
{
error(ERR_CANNOT_DEFAULT_PARAMETERS_WITH_LAMBDA);
}
hr = hr->next;
}
if (MATCHKW(lex, kw_mutable))
{
HASHREC *hr = self->captured->table[0];
while (hr)
{
LAMBDASP *lsp = (LAMBDASP *)hr->p;
if (lsp->sym->lambdaMode == cmValue)
{
lsp->sym->tp = basetype(lsp->sym->tp);
}
hr = hr->next;
}
self->isMutable = TRUE;
lex = getsym();
}
ParseAttributeSpecifiers(&lex, funcsp, TRUE);
if (MATCHKW(lex, pointsto))
{
lex = getsym();
lex = get_type_id(lex, &self->functp, funcsp, sc_cast, FALSE, TRUE);
}
}
else
{
TYPE *tp1 = Alloc(sizeof(TYPE));
SYMBOL *spi;
tp1->type = bt_func;
tp1->size = getSize(bt_pointer);
tp1->btp = &stdvoid;
tp1->sp = self->func;
self->func->tp = tp1;
spi = makeID(sc_parameter, tp1, NULL, AnonymousName());
spi->anonymous = TRUE;
spi->tp = Alloc(sizeof(TYPE));
spi->tp->type = bt_void;
insert(spi, localNameSpace->syms);
SetLinkerNames(spi, lk_cpp);
self->func->tp->syms = localNameSpace->syms;
self->funcargs = self->func->tp->syms->table[0];
self->func->tp->syms->table[0] = NULL;
}
vpl = makeID(sc_parameter, &stdpointer, NULL, AnonymousName());
vpl->assigned = vpl->used = TRUE;
SetLinkerNames(vpl, lk_cdecl);
hrl = Alloc(sizeof(HASHREC));
hrl->p = (struct _hrintern_ *)vpl;
hrl->next = lambdas->func->tp->syms->table[0];
lambdas->func->tp->syms->table[0] = hrl;
vpl = makeID(sc_parameter, &stdpointer, NULL, AnonymousName());
vpl->assigned = vpl->used = TRUE;
SetLinkerNames(vpl, lk_cdecl);
hrl = Alloc(sizeof(HASHREC));
hrl->p = (struct _hrintern_ *)vpl;
hrl->next = lambdas->func->tp->syms->table[0];
lambdas->func->tp->syms->table[0] = hrl;
SetLinkerNames(lambdas->func, lk_cdecl);
injectThisPtr(lambdas->func, basetype(lambdas->func->tp)->syms);
lambdas->func->tp->btp = self->functp;
lambdas->func->linkage = lk_virtual;
lambdas->func->isInline = TRUE;
ssl.str = self->cls;
ssl.tmpl = NULL;
addStructureDeclaration(&ssl);
ths = makeID(sc_member, &stdpointer, NULL, "$this");
lambda_insert(ths, lambdas);
if (MATCHKW(lex, begin))
{
lex = body(lex, self->func);
}
else
{
error(ERR_LAMBDA_FUNCTION_BODY_EXPECTED);
}
dropStructureDeclaration();
localNameSpace->syms = self->oldSyms;
localNameSpace->tags = self->oldTags;
inferType();
finishClass();
*exp = createLambda(0);
*tp = lambdas->cls->tp;
lambdas = lambdas->next;
if (lambdas)
lambdas->prev = NULL;
DecGlobalFlag();
return lex;
}
SYMBOL *lambda_capture(SYMBOL *sym, enum e_cm mode, BOOLEAN isExplicit)
{
if (lambdas)
{
if (mode == cmThis)
{
if (!sym || (lambdas->lthis && sym->parentClass == basetype(lambdas->lthis->tp)->btp->sp))
{
if (lambdas->captureThis)
{
BOOLEAN errorflg = FALSE;
LAMBDA *check = lambdas;
// have to try to replicate the symbol into the current context
while (check && !error)
{
if (check->captureMode == cmNone)
{
if (isExplicit)
{
if (lambdas->prev)
{
errorflg = TRUE;
errorstr(ERR_EXPLICIT_CAPTURE_BLOCKED, "this");
}
}
else
{
errorflg = TRUE;
errorstr(ERR_IMPLICIT_CAPTURE_BLOCKED, "this");
}
}
else if (check->captureMode == cmValue && isExplicit)
{
errorflg = TRUE;
errorstr(ERR_EXPLICIT_CAPTURE_BLOCKED, "this");
}
check = check->next;
}
if (!errorflg)
{
check = lambdas;
while (check)
{
check->captureThis = TRUE;
check = check->next;
}
}
}
else
{
errorstr(ERR_IMPLICIT_CAPTURE_BLOCKED, "this");
}
}
}
else
{
if (sym->parent != lambdas->func)
{
if (sym->storage_class != sc_auto && sym->storage_class != sc_parameter)
{
error(ERR_MUST_CAPTURE_AUTO_VARIABLE);
}
else
{
LAMBDA *current = lambdas;
SYMBOL *sym2 = NULL;
LAMBDA *check;
while (current)
{
LAMBDASP *lsp = (LAMBDASP *)search(sym->name, current->captured);
if (lsp)
{
sym2 = lsp->sym;
break;
}
current = current->next;
}
if (sym2)
{
if (lambdas == current && isExplicit)
{
error(ERR_CAPTURE_ITEM_LISTED_MULTIPLE_TIMES);
}
sym = sym2;
current = current->prev;
}
else
{
current = lambdas;
while (current->next) current = current->next;
}
check = current;
// have to try to replicate the symbol into the current context
while (check)
{
if (check->captureMode == cmNone)
{
if (isExplicit)
{
if (check->prev)
{
check = NULL;
errorsym(ERR_EXPLICIT_CAPTURE_BLOCKED, sym);
}
}
else
{
check = NULL;
errorsym(ERR_IMPLICIT_CAPTURE_BLOCKED, sym);
}
}
if (check)
check = check->prev;
}
IncGlobalFlag();
while (current)
{
// we are replicating captures through intermediate lambdas
// to make it easier to handle inner lambda creation.
LAMBDASP *ins = Alloc(sizeof(LAMBDASP));
ins->name = sym->name;
ins->parent = sym;
sym = clonesym(sym);
sym->lambdaMode = mode == cmNone ? current->captureMode : mode;
sym->tp = lambda_type(sym->tp, sym->lambdaMode);
sym->storage_class = sc_member;
sym->parent = current->func;
sym->init = NULL;
lambda_insert(sym, current);
ins->sym = sym;
ins->enclosing = current;
insert((SYMBOL *)ins, current->captured);
current = current->prev;
}
DecGlobalFlag();
}
}
}
}
return sym;
}
EXPRESSION *convertInitToExpression(TYPE *tp, SYMBOL *sp, SYMBOL *funcsp, INITIALIZER *init, EXPRESSION *thisptr, BOOLEAN isdest)
{
EXPRESSION *rv = NULL, **pos = &rv;
EXPRESSION *exp = NULL, **expp;
EXPRESSION *expsym;
BOOLEAN noClear = FALSE;
if (sp)
sp->destructed = FALSE;
if (isstructured(tp) || isarray(tp))
{
INITIALIZER **i2 = &init;
while (*i2)
i2 = &(*i2)->next;
initInsert(i2, NULL, NULL, tp->size, FALSE);
}
if (!sp)
{
if (thisptr)
expsym = thisptr;
else if (funcsp)
{
SYMBOL *sp = (SYMBOL *)basetype(funcsp->tp)->syms->table[0] ? (SYMBOL *)basetype(funcsp->tp)->syms->table[0]->p : NULL;
if (sp && sp->thisPtr)
expsym = varNode(en_auto, sp ); // this ptr
else
expsym = anonymousVar(sc_auto, tp);
}
else
{
expsym = intNode(en_c_i, 0);
diag("convertInitToExpression: no this ptr");
}
}
else switch (sp->storage_class)
{
case sc_auto:
case sc_register:
case sc_parameter:
expsym = varNode(en_auto, sp);
break;
case sc_localstatic:
if (sp->linkage3 == lk_threadlocal)
{
expsym = exprNode(en_add, thisptr, intNode(en_c_i, sp->offset));
}
else
{
expsym = varNode(en_label, sp);
}
break;
case sc_static:
case sc_global:
if (sp->linkage3 == lk_threadlocal)
{
expsym = exprNode(en_add, thisptr, intNode(en_c_i, sp->offset));
}
else
{
expsym = varNode(en_global, sp);
}
break;
case sc_member:
case sc_mutable:
if (thisptr)
expsym = thisptr;
else if (funcsp)
expsym = varNode(en_auto, (SYMBOL *)basetype(funcsp->tp)->syms->table[0]->p); // this ptr
else
{
expsym = intNode(en_c_i, 0);
diag("convertInitToExpression: no this ptr");
}
expsym = exprNode(en_add, expsym, intNode(en_c_i, sp->offset));
break;
case sc_external:
/* expsym = varNode(en_global, sp);
break;
*/
default:
diag("convertInitToExpression: unknown sym type");
expsym = intNode(en_c_i, 0);
break;
}
while (init)
{
exp = NULL;
if (init->basetp)
{
if (init->noassign)
{
exp = init->exp;
if (exp->type == en_thisref)
exp = exp->left;
if (thisptr && exp->type == en_func)
{
EXPRESSION *exp1 = init->offset ? exprNode(en_add, expsym, intNode(en_c_i, init->offset)) : expsym;
if (isarray(tp))
{
exp->v.func->arguments->exp = exp1;
}
else
{
exp->v.func->thisptr = exp1;
}
}
exp = init->exp;
}
else if (!init->exp)
{
// usually empty braces, coudl be an error though
exp = exprNode(en_blockclear, expsym, NULL);
exp->size = init->offset;
}
else if (isstructured(init->basetp) || isarray(init->basetp))
{
INITIALIZER *temp = init;
if (isstructured(temp->basetp))
{
EXPRESSION *exp2 = init->exp;
while(exp2->type == en_not_lvalue)
exp2 = exp2->left;
if (exp2->type == en_func && exp2->v.func->returnSP)
{
exp2->v.func->returnSP->allocate = FALSE;
exp2->v.func->returnEXP = expsym;
exp = exp2;
noClear = TRUE;
}
else if (exp2->type == en_thisref && exp2->left->v.func->returnSP)
{
exp2->left->v.func->returnSP->allocate = FALSE;
exp2->left->v.func->returnEXP = expsym;
exp = exp2;
noClear = TRUE;
}
else if (cparams.prm_cplusplus)
{
TYPE *ctype = init->basetp;
FUNCTIONCALL *funcparams = Alloc(sizeof(FUNCTIONCALL));
funcparams->arguments = Alloc(sizeof(INITLIST));
funcparams->arguments->tp = ctype;
funcparams->arguments->exp = exp2;
callConstructor(&ctype, &expsym, funcparams, FALSE, NULL, TRUE, FALSE, FALSE, FALSE, FALSE);
exp = expsym;
}
else
{
exp = exprNode(en_blockassign, expsym, exp2);
exp->size = init->basetp->size;
}
}
else
{
TYPE *btp = init->basetp;
while(isarray(btp))
btp = basetype(btp)->btp;
btp = basetype(btp);
while (temp)
{
if (temp->exp)
if (!isarithmeticconst(temp->exp) && !isconstaddress(temp->exp))
break;
temp = temp->next;
}
if (temp)
{
/* some members are non-constant expressions */
if (!cparams.prm_c99 && !cparams.prm_cplusplus)
error(ERR_C99_NON_CONSTANT_INITIALIZATION);
if (!sp)
{
expsym = anonymousVar(sc_auto, init->basetp);
sp = expsym->v.sp;
}
if (!isstructured(btp) || btp->sp->trivialCons)
{
exp = exprNode(en_blockclear, expsym, NULL);
exp->size = init->basetp->size;
exp = exprNode(en_void, exp, NULL);
expp = &exp->right;
}
else
{
expp = &exp;
}
{
EXPRESSION *right = init->exp;
if (!isstructured(btp))
{
EXPRESSION *asn = exprNode(en_add, expsym, intNode(en_c_i, init->offset));
deref(init->basetp, &asn);
cast(init->basetp, &right);
right = exprNode(en_assign, asn, right);
}
if (*expp)
*expp = exprNode(en_void, *expp, right);
else
*expp = right;
expp = &(*expp)->right;
}
}
else
{
/* constant expression */
SYMBOL *spc ;
IncGlobalFlag();
exp = anonymousVar(sc_localstatic, init->basetp);
spc = exp->v.sp;
spc->init = init ;
insertInitSym(spc);
insert(spc, localNameSpace->syms);
DecGlobalFlag();
spc->label =nextLabel++;
if (expsym)
{
if (cparams.prm_cplusplus && isstructured(init->basetp) && !init->basetp->sp->trivialCons)
{
TYPE *ctype = init->basetp;
FUNCTIONCALL *funcparams = Alloc(sizeof(FUNCTIONCALL));
funcparams->arguments = Alloc(sizeof(INITLIST));
funcparams->arguments->tp = ctype;
funcparams->arguments->exp = exp;
callConstructor(&ctype, &expsym, funcparams, FALSE, NULL, TRUE, FALSE, FALSE, FALSE, FALSE);
exp = expsym;
}
else
{
exp = exprNode(en_blockassign, expsym, exp);
exp->size = init->basetp->size;
}
}
}
}
}
else if (basetype(init->basetp)->type == bt_memberptr)
{
EXPRESSION *exp2 = init->exp;;
while(exp2->type == en_not_lvalue)
exp2 = exp2->left;
if (exp2->type == en_func && exp2->v.func->returnSP)
{
exp2->v.func->returnSP->allocate = FALSE;
exp2->v.func->returnEXP = expsym;
exp = exp2;
}
else
{
if (exp2->type == en_memberptr)
{
int lab = dumpMemberPtr(exp2->v.sp, init->basetp, TRUE);
exp2 = intNode(en_labcon, lab);
}
exp = exprNode(en_blockassign, expsym, exp2);
exp->size = init->basetp->size;
}
}
else
{
EXPRESSION *exps = expsym;
if (init->offset)
exps = exprNode(en_add, exps, intNode(en_c_i, init->offset));
deref(init->basetp, &exps);
exp = init->exp;
if (exp->type == en_void)
{
cast(init->basetp, &exp->right);
if (expsym)
exp->right = exprNode(en_assign, exps, exp->right);
}
else
{
cast(init->basetp, &exp);
if (exps)
exp = exprNode(en_assign, exps, exp);
}
}
if (sp && sp->init && isatomic(init->basetp) && needsAtomicLockFromType(init->basetp))
{
EXPRESSION *p1 = exprNode(en_add, expsym->left, intNode(en_c_i, init->basetp->size - ATOMIC_FLAG_SPACE));
deref(&stdint, &p1);
p1 = exprNode(en_assign, p1, intNode(en_c_i, 0));
exp = exprNode(en_void, exp, p1);
}
}
if (exp)
{
if (*pos)
{
*pos = exprNode(en_void, *pos, exp);
pos = &(*pos)->right;
}
else
{
*pos = exp;
}
}
init = init->next;
}
if (sp && sp->storage_class == sc_localstatic)
{
if (isdest)
{
rv = exprNode(en_voidnz, exprNode(en_void, sp->localInitGuard, rv), intNode(en_c_i, 0));
}
else
{
EXPRESSION *guard = anonymousVar(sc_static, &stdint);
insertInitSym(guard->v.sp);
deref(&stdpointer, &guard);
optimize_for_constants(&rv);
rv = exprNode(en_voidnz, exprNode(en_void,
exprNode(en_not, guard, NULL),
exprNode(en_void, rv, exprNode(en_autoinc, guard, intNode(en_c_i, 1)))), intNode(en_c_i, 0));
sp->localInitGuard = guard;
}
}
// plop in a clear block if necessary
if (sp && !noClear && !isdest && (isarray(tp) || isstructured(tp) && (!cparams.prm_cplusplus || basetype(tp)->sp->trivialCons)))
{
EXPRESSION *fexp = expsym;
EXPRESSION *exp;
if (fexp->type == en_thisref)
fexp = fexp->left->v.func->thisptr;
exp = exprNode(en_blockclear, fexp, NULL);
exp->size = sp->tp->size;
rv = exprNode(en_void, exp, rv);
}
if (isstructured(tp) && !cparams.prm_cplusplus)
{
if (*pos)
{
*pos = exprNode(en_void, *pos, expsym);
pos = &(*pos)->right;
}
else
{
*pos = expsym;
}
}
return rv;
}
static void renameToTemps(SYMBOL *funcsp)
{
HASHTABLE *temp = funcsp->inlineFunc.syms;
if (!cparams.prm_optimize || functionHasAssembly)
return;
/* if there is a setjmp in the function, no variable gets moved into a reg */
if (setjmp_used)
return;
while (temp)
{
HASHREC *hr = temp->table[0];
while (hr)
{
SYMBOL *sp = (SYMBOL *)hr->p;
TYPE *tp;
/* needed for pointer aliasing */
if (!sp->imvalue && basetype(sp->tp)->type != bt_memberptr && !isstructured(sp->tp) && sp->tp->type != bt_ellipse && sp->tp->type != bt_aggregate)
{
if (sp->storage_class != sc_auto && sp->storage_class !=
sc_register)
{
IncGlobalFlag();
}
if (sp->imaddress)
{
IMODE *im = Alloc(sizeof(IMODE));
*im = *sp->imaddress;
im->size = sizeFromType(sp->tp);
im->mode = i_direct;
sp->imvalue = im;
}
else if (sp->imind)
{
IMODE *im = Alloc(sizeof(IMODE));
*im = *sp->imind->im;
im-> size = ISZ_ADDR;
im->mode = i_direct;
sp->imvalue = im;
}
else
sp->imvalue = tempreg(sizeFromType(sp->tp), FALSE);
if (sp->storage_class != sc_auto && sp->storage_class !=
sc_register)
{
DecGlobalFlag();
}
}
tp = sp->tp;
if (tp->type == bt_typedef)
tp = tp->btp;
if (!sp->pushedtotemp && sp->storage_class != sc_parameter && !sp->imaddress && !sp->inasm
&& ((chosenAssembler->arch->hasFloatRegs || tp->type < bt_float) && tp->type < bt_void || basetype(tp)->type == bt_pointer && basetype(tp)->btp->type != bt_func
|| isref(tp))
&& (sp->storage_class == sc_auto || sp->storage_class == sc_register)
&& !sp->usedasbit)
{
/* this works because all IMODES refering to the same
* variable are the same, at least until this point
* that will change when we start inserting temps
*/
EXPRESSION *ep = tempenode();
ep->v.sp->tp = sp->tp;
ep->right = (EXPRESSION *)sp;
/* marking both the orignal var and the new temp as pushed to temp*/
sp->pushedtotemp = TRUE ;
ep->v.sp->pushedtotemp = TRUE;
sp->allocate = FALSE;
if (sp->imvalue)
{
ep->isvolatile = sp->imvalue->offset->isvolatile;
ep->isrestrict = sp->imvalue->offset->isrestrict;
sp->imvalue->offset = ep ;
}
if (sp->imind)
{
IMODELIST *iml = sp->imind;
ep->isvolatile = sp->imind->im->offset->isvolatile;
ep->isrestrict = sp->imind->im->offset->isrestrict;
while (iml)
{
iml->im->offset = ep;
iml = iml->next;
}
}
ep->v.sp->imvalue = sp->imvalue;
}
hr = hr->next;
}
temp = temp->next;
}
}