void CpParameter( void ) {
//=====================
// Compile PARAMETER statement.
//
// PARAMETER (P1=E1,...,Pn=En), n > 0
uint parm_size;
byte *lit;
byte *string;
int lit_len;
sym_id sym;
sym_id value_id;
TYPE typ;
byte assign_val;
ReqNOpn();
AdvanceITPtr();
ReqOpenParen();
for(;;) {
if( ReqName( NAME_VARIABLE ) ) {
sym = LkSym();
typ = sym->u.ns.u1.s.typ;
assign_val = TRUE;
if( sym->u.ns.flags & (SY_USAGE | SY_SUB_PARM | SY_IN_EC) ) {
IllName( sym );
assign_val = FALSE;
} else if( typ == FT_STRUCTURE ) {
IllType( sym );
assign_val = FALSE;
} else {
CkSymDeclared( sym );
}
AdvanceITPtr();
ReqEquSign();
parm_size = sym->u.ns.xt.size;
if( typ == FT_STRUCTURE ) {
ConstExpr( FT_NO_TYPE );
} else if( _IsTypeLogical( typ ) ) {
CLogicExpr();
} else if( typ == FT_CHAR ) {
CCharExpr();
} else {
CArithExpr();
}
if( !AError && assign_val ) {
if( typ == FT_CHAR ) {
string = (byte *)CITNode->value.cstring.strptr;
if( CITNode->size < parm_size ) {
lit = FMemAlloc( parm_size );
lit_len = CITNode->size;
memcpy( lit, string, lit_len );
memset( lit + lit_len, ' ', parm_size - lit_len );
value_id = STLit( lit, parm_size );
FMemFree( lit );
} else {
if( parm_size == 0 ) { // *(*)
parm_size = CITNode->size;
}
value_id = STLit( string, parm_size );
}
} else {
if( !_IsTypeLogical( typ ) ) {
CnvTo( CITNode, typ, parm_size );
}
value_id = STConst( &CITNode->value, typ, parm_size );
}
sym->u.ns.flags |= SY_USAGE | SY_PARAMETER | SY_TYPE;
sym->u.ns.xt.size = parm_size;
sym->u.ns.si.pc.value = value_id;
}
}
AdvanceITPtr();
if( !RecComma() ) break;
}
ReqCloseParen();
if( ReqNOpn() ) {
AdvanceITPtr();
ReqEOS();
}
}
void SFPrologue( void ) {
//====================
// Generate code for statement function prologue.
sym_id sym;
itnode *func_node;
itnode *arg_list;
sf_parm **parm;
StmtSw |= SS_SF_REFERENCED;
CkTypeDeclared();
SFSymId = CITNode->sym_ptr;
if( ( SFSymId->ns.typ == FT_CHAR ) && ( SFSymId->ns.xt.size == 0 ) ) {
Error( SF_ILL_CHAR_LEN );
} else if( SFSymId->ns.typ == FT_STRUCTURE ) {
Error( SF_ILL_TYPE );
}
GStartSF();
SFSymId->ns.flags = SY_USAGE | SY_TYPE | SY_SUBPROGRAM | SY_STMT_FUNC;
CITNode->flags = SFSymId->ns.flags;
func_node = CITNode;
AdvanceITPtr();
ReqOpenParen();
SFSymId->ns.si.sf.header = FMemAlloc( sizeof( sf_header ) );
SFSymId->ns.si.sf.header->ref_count = 1;
parm = &SFSymId->ns.si.sf.header->parm_list;
*parm = NULL;
if( RecNOpn() ) {
AdvanceITPtr();
} else {
for(;;) {
if( ReqName( NAME_SF_DUMMY ) ) {
sym = LkSym();
sym->ns.xflags |= SY_DEFINED;
CkTypeDeclared();
if( ( ( sym->ns.flags & SY_CLASS ) == SY_VARIABLE ) &&
( ( sym->ns.flags & SY_SUBSCRIPTED ) == 0 ) &&
( ( sym->ns.typ != FT_CHAR ) ||
( sym->ns.xt.size != 0 ) ) &&
( sym->ns.typ != FT_STRUCTURE ) ) {
if( sym->ns.flags & SY_SPECIAL_PARM ) {
Error( SF_DUPLICATE_DUMMY_PARM );
} else {
*parm = FMemAlloc( sizeof( sf_parm ) );
(*parm)->link = NULL;
(*parm)->actual = sym;
(*parm)->shadow = STShadow( sym );
parm = &((*parm)->link);
}
} else {
Error( SF_ILL_DUMMY_PARM );
}
}
AdvanceITPtr();
if( !RecComma() ) break;
}
}
ReqCloseParen();
ReqNOpn();
arg_list = func_node->link;
func_node->link = CITNode->link;
CITNode->link = NULL;
CITNode = func_node;
FreeITNodes( arg_list );
}
void CpEquivalence(void) {
//=======================
// Compile EQUIVALENCE statement.
// EQUIVALENCE (A1,...,An) {,(B1,...,Bm)} . . .
sym_id sym;
int num_equived;
intstar4 *subscripts;
int eq_size;
act_eq_entry *new_eq;
act_eq_entry *eqv_entry;
act_eq_entry *eq_head;
act_eq_entry *eq_set;
bool ill_name;
bool sub_strung;
act_eq_entry equiv;
eq_set = EquivSets;
if( EquivSets != NULL ) {
while( eq_set->next_eq_set != NULL ) {
eq_set = eq_set->next_eq_set;
}
}
for(;;) {
if( RecNOpn() ) {
AdvanceITPtr();
}
ReqOpenParen();
eqv_entry = NULL;
eq_head = NULL;
num_equived = 0;
for(;;) {
AError = FALSE;
if( ReqName( NAME_VAR_OR_ARR ) ) {
num_equived++;
sym = LkSym();
ill_name = TRUE;
if( ( sym->ns.flags & SY_CLASS ) == SY_VARIABLE ) {
if( sym->ns.flags & SY_DATA_INIT ) {
NameErr( ST_DATA_ALREADY, sym );
} else if( sym->ns.flags & SY_SUB_PARM ) {
IllName( sym );
} else if( ( sym->ns.flags & SY_SUBSCRIPTED ) &&
_Allocatable( sym ) ) {
IllName( sym );
} else {
sym->ns.flags |= SY_IN_EQUIV;
ill_name = FALSE;
}
} else {
IllName( sym );
}
AdvanceITPtr();
equiv.name_equived = sym;
equiv.next_eq_entry = NULL;
equiv.next_eq_set = NULL;
equiv.subs_no = 0;
equiv.substr = 0;
equiv.substr1 = 1;
equiv.substr2 = 0;
subscripts = equiv.subscrs;
if( RecOpenParen() ) {
if( !RecNOpn() || !RecNextOpr( OPR_COL ) ) {
sub_strung = FALSE;
for(;;) {
CIntExpr();
*subscripts = ITIntValue( CITNode );
AdvanceITPtr();
if( RecColon() ) {
sub_strung = TRUE;
break;
}
subscripts++;
equiv.subs_no++;
if( equiv.subs_no == MAX_DIM ) break;
if( !RecComma() ) break;
}
if( !sub_strung ) {
ReqCloseParen();
ReqNOpn();
AdvanceITPtr();
if( RecOpenParen() ) {
*subscripts = 1;
if( !RecNOpn() ) {
CIntExpr();
*subscripts = ITIntValue( CITNode );
}
AdvanceITPtr();
sub_strung = ReqColon();
}
}
} else {
sub_strung = TRUE;
}
if( sub_strung ) {
equiv.substr = 1;
if( SubStr2( subscripts ) ) {
equiv.substr = 2;
}
}
}
if( AError ) {
equiv.subs_no = 0;
equiv.substr = 0;
}
if( ( ( SgmtSw & SG_SYMTAB_RESOLVED ) == 0 ) && !ill_name ) {
eq_size = sizeof( eq_entry ) +
equiv.subs_no * sizeof( intstar4 );
if( equiv.substr != 0 ) {
eq_size += 2 * sizeof( intstar4 );
}
new_eq = FMemAlloc( eq_size );
memcpy( new_eq, &equiv, eq_size );
if( eqv_entry == NULL ) {
eq_head = new_eq;
eqv_entry = new_eq;
} else {
eqv_entry->next_eq_entry = new_eq;
eqv_entry = new_eq;
}
if( sym->ns.si.va.vi.ec_ext == NULL ) {
sym->ns.si.va.vi.ec_ext = STComEq();
}
}
} else {
AdvanceITPtr();
}
if( !RecComma() ) break;
}
if( num_equived < 2 ) {
Error( EV_EQUIV_LIST );
}
if( eq_set == NULL ) {
eq_set = eq_head;
EquivSets = eq_head;
} else {
eq_set->next_eq_set = eq_head;
eq_set = eq_head;
}
ReqCloseParen();
ReqNOpn();
AdvanceITPtr();
if( !RecComma() ) break;
}
ReqEOS();
}
