Statement *ParseCatchStatement()
{
Statement *snp;
SYM *sp;
TYP *tp,*tp1,*tp2;
ENODE *node;
static char buf[200];
snp = NewStatement(st_catch, TRUE);
currentStmt = snp;
if (lastst != openpa) {
snp->label = (int64_t *)NULL;
snp->s2 = (Statement *)99999;
snp->s1 = ParseStatement();
// Empty statements return NULL
if (snp->s1)
snp->s1->outer = snp;
return snp;
}
needpunc(openpa,33);
tp = head;
tp1 = tail;
catchdecl = TRUE;
AutoDeclaration::Parse(NULL,&snp->ssyms);
cseg();
catchdecl = FALSE;
tp2 = head;
head = tp;
tail = tp1;
needpunc(closepa,34);
if( (sp = snp->ssyms.Find(*declid,false)) == NULL)
sp = makeint((char *)declid->c_str());
node = makenode(sp->storage_class==sc_static ? en_labcon : en_autocon,NULL,NULL);
// nameref looks up the symbol using lastid, so we need to back it up and
// restore it.
strncpy(buf,lastid,199);
strncpy(lastid, declid->c_str(),sizeof(lastid)-1);
nameref(&node,FALSE);
strcpy(lastid,buf);
snp->s1 = ParseStatement();
// Empty statements return NULL
if (snp->s1)
snp->s1->outer = snp;
snp->label = (int64_t *)node; // save name reference
if (sp->tp->typeno >= bt_last)
error(ERR_CATCHSTRUCT);
snp->s2 = (Statement *)GetTypeHash(sp->tp);
// Empty statements return NULL
// if (snp->s2)
// snp->s2->outer = snp;
return snp;
}
STARTDECL(gl_loadtexture) (Value &name)
{
TestGL();
ValueRef nameref(name);
auto it = texturecache.find(name.sval->str());
if (it != texturecache.end())
{
return Value((int)it->second);
}
uint id = CreateTextureFromFile(name.sval->str());
if (id) texturecache[name.sval->str()] = id;
return Value((int)id);
}
/*
* process declarations of the form:
*
* <type> <specifier>, <specifier>...;
*
* leaves the declarations in the symbol table pointed to by
* table and returns the number of bytes declared. al is the
* allocation type to assign, ilc is the initial location
* counter. if al is sc_member then no initialization will
* be processed. ztype should be bt_struct for normal and in
* structure ParseSpecifierarations and sc_union for in union ParseSpecifierarations.
*/
int declare(TABLE *table,int al,int ilc,int ztype)
{
SYM *sp, *sp1, *sp2;
TYP *dhead, *tp1, *tp2;
ENODE *ep1, *ep2;
char stnm[200];
int op;
int fd;
int fn_doneinit = 0;
int bcnt;
static long old_nbytes;
int nbytes;
nbytes = 0;
if (ParseSpecifier(table))
return nbytes;
dhead = head;
for(;;) {
declid = (char *)NULL;
bit_width = -1;
ParseDeclarationPrefix(ztype==bt_union);
// If a function declaration is taking place and just the type is
// specified without a parameter name, assign an internal compiler
// generated name.
if (funcdecl>0 && funcdecl != 10 && declid==(char *)NULL) {
sprintf(lastid, "_p%d", nparms);
declid = litlate(lastid);
names[nparms++] = declid;
missingArgumentName = TRUE;
}
if( declid != NULL) { /* otherwise just struct tag... */
sp = allocSYM();
sp->name = declid;
sp->storage_class = al;
sp->isConst = isConst;
if (bit_width > 0 && bit_offset > 0) {
// share the storage word with the previously defined field
nbytes = old_nbytes - ilc;
}
old_nbytes = ilc + nbytes;
if (al != sc_member) {
// sp->isTypedef = isTypedef;
if (isTypedef)
sp->storage_class = sc_typedef;
isTypedef = FALSE;
}
if ((ilc + nbytes) % roundAlignment(head)) {
if (al==sc_thread)
tseg();
else
dseg();
}
bcnt = 0;
while( (ilc + nbytes) % roundAlignment(head)) {
++nbytes;
bcnt++;
}
if( al != sc_member && al != sc_external && al != sc_auto) {
if (bcnt > 0)
genstorage(bcnt);
}
// Set the struct member storage offset.
if( al == sc_static || al==sc_thread) {
sp->value.i = nextlabel++;
}
else if( ztype == bt_union)
sp->value.i = ilc;
else if( al != sc_auto )
sp->value.i = ilc + nbytes;
// Auto variables are referenced negative to the base pointer
// Structs need to be aligned on the boundary of the largest
// struct element. If a struct is all chars this will be 2.
// If a struct contains a pointer this will be 8. It has to
// be the worst case alignment.
else {
sp->value.i = -(ilc + nbytes + roundSize(head));
}
if (bit_width == -1)
sp->tp = head;
else {
sp->tp = allocTYP();
*(sp->tp) = *head;
sp->tp->type = bt_bitfield;
sp->tp->size = head->size;//tp_int.size;
sp->tp->bit_width = bit_width;
sp->tp->bit_offset = bit_offset;
}
if (isConst)
sp->tp->isConst = TRUE;
if((sp->tp->type == bt_func) && sp->storage_class == sc_global )
sp->storage_class = sc_external;
// Increase the storage allocation by the type size.
if(ztype == bt_union)
nbytes = imax(nbytes,roundSize(sp->tp));
else if(al != sc_external) {
// If a pointer to a function is defined in a struct.
if (isStructDecl && (sp->tp->type==bt_func || sp->tp->type==bt_ifunc))
nbytes += 8;
else
nbytes += roundSize(sp->tp);
}
if (sp->tp->type == bt_ifunc && (sp1 = search(sp->name,table)) != 0 && sp1->tp->type == bt_func )
{
sp1->tp = sp->tp;
sp1->storage_class = sp->storage_class;
sp1->value.i = sp->value.i;
sp1->IsPrototype = sp->IsPrototype;
sp = sp1;
}
else {
sp2 = search(sp->name,table);
if (sp2 == NULL)
insert(sp,table);
else {
if (funcdecl==2)
sp2->tp = sp->tp;
//else if (!sp2->IsPrototype)
// insert(sp,table);
}
}
if (needParseFunction) {
needParseFunction = FALSE;
fn_doneinit = ParseFunction(sp);
if (sp->tp->type != bt_pointer)
return nbytes;
}
// if(sp->tp->type == bt_ifunc) { /* function body follows */
// ParseFunction(sp);
// return nbytes;
// }
if( (al == sc_global || al == sc_static || al==sc_thread) && !fn_doneinit &&
sp->tp->type != bt_func && sp->tp->type != bt_ifunc && sp->storage_class!=sc_typedef)
doinit(sp);
}
if (funcdecl>0) {
if (lastst==comma || lastst==semicolon)
break;
if (lastst==closepa)
goto xit1;
}
else if (catchdecl==TRUE) {
if (lastst==closepa)
goto xit1;
}
else if (lastst == semicolon)
break;
else if (lastst == assign) {
tp1 = nameref(&ep1);
op = en_assign;
// NextToken();
tp2 = asnop(&ep2);
if( tp2 == 0 || !IsLValue(ep1) )
error(ERR_LVALUE);
else {
tp1 = forcefit(&ep1,tp1,&ep2,tp2);
ep1 = makenode(op,ep1,ep2);
}
sp->initexp = ep1;
if (lastst==semicolon)
break;
}
needpunc(comma);
if(declbegin(lastst) == 0)
break;
head = dhead;
}
NextToken();
xit1:
return nbytes;
}
