void DoMul( void )
{
stack_entry *left;
xreal re, im, t1, t2;
left = StkEntry( 1 );
BinOp( left, ExprSP );
switch( left->info.kind ) {
case TK_BOOL:
case TK_ENUM:
case TK_CHAR:
case TK_INTEGER:
U64Mul( &left->v.uint, &ExprSP->v.uint, &left->v.uint );
break;
case TK_REAL:
LDMul( &left->v.real, &ExprSP->v.real, &left->v.real );
break;
case TK_COMPLEX:
/* (a,b) * (c,d) = (ac-bd,ad+bc) */
LDMul( &left->v.cmplx.re, &ExprSP->v.cmplx.re, &t1 );
LDMul( &left->v.cmplx.im, &ExprSP->v.cmplx.im, &t2 );
LDSub( &t1, &t2, &re );
LDMul( &left->v.cmplx.re, &ExprSP->v.cmplx.im, &t1 );
LDMul( &left->v.cmplx.im, &ExprSP->v.cmplx.re, &t2 );
LDAdd( &t1, &t2, &im );
left->v.cmplx.re = re;
left->v.cmplx.im = im;
break;
default:
Error( ERR_NONE, LIT_ENG( ERR_ILL_TYPE ) );
break;
}
CombineEntries( left, left, ExprSP );
}
BOOL StrToU64( char *str, unsigned_64 *u64, BOOL neg )
{
unsigned_64 r64;
unsigned_64 v64;
int value;
int radix;
str = eatSpace( str );
U32ToU64( 0, u64 );
if( neg == TRUE ) {
if( *str == '-') {
str++;
} else {
if( *str == '+' ) {
str++;
neg = FALSE;
}
}
}
str = eatSpace( str );
switch( *str ){
case '\0':
return( FALSE );
case '0':
str++;
if( tolower(*str) == 'x' ) {
radix = 16;
str++;
} else {
radix = 8;
}
break;
default:
radix = 10;
}
U32ToU64( radix, &r64 );
while( *str != '\0' ) {
if( isdigit( *str ) ) {
value = *str - '0';
} else {
value = 10 + tolower( *str ) - 'a';
}
if( value < 0 || value >= radix ) {
return ( FALSE );
}
U32ToU64( value, &v64 );
U64Mul( u64, &r64, u64 );
U64Add( &v64, u64, u64 );
str++;
}
if( neg == TRUE) {
U64Neg( u64, u64 );
}
return( TRUE );
}
static bool GetNum( unsigned base )
{
bool ok;
unsigned_64 num;
unsigned_64 big_base;
unsigned_64 big_dig;
int dig;
ok = FALSE;
U32ToU64( base, &big_base );
U64Clear( num );
for( ; ; ) {
dig = GetDig( base );
if( dig < 0 ) break;
U32ToU64( dig, &big_dig );
U64Mul( &num, &big_base, &num );
U64Add( &num, &big_dig, &num );
++ScanPtr;
ok = TRUE;
}
TokenVal.int_val = num;
return( ok );
}
int64 operator*( const int64 & a ) const
{
int64 result;
U64Mul( &this->_d, &a._d, &result._d );
return( result );
}
static PTREE foldInt64( CGOP op, PTREE left, signed_64 v2 )
{
signed_64 test;
signed_64 v1;
float_handle t0, t1, t2;
v1 = left->u.int64_constant;
switch( op ) {
case CO_PLUS:
U64Add( &v1, &v2, &left->u.int64_constant );
break;
case CO_MINUS:
U64Sub( &v1, &v2, &left->u.int64_constant );
break;
case CO_TIMES:
t0 = BFCnvI64F( v1 );
t1 = BFCnvI64F( v2 );
t2 = BFMul( t0, t1 );
test = BFCnvF64( t2 );
BFFree( t0 );
BFFree( t1 );
BFFree( t2 );
U64Mul( &v1, &v2, &left->u.int64_constant );
if( 0 != I64Cmp( &test, &left->u.int64_constant ) ) {
CErr1( ANSI_ARITHMETIC_OVERFLOW );
}
break;
case CO_DIVIDE:
{ signed_64 rem;
idiv64( &v1, &v2, &left->u.int64_constant, &rem );
} break;
case CO_PERCENT:
{ signed_64 div;
idiv64( &v1, &v2, &div, &left->u.int64_constant );
} break;
case CO_AND:
left->u.int64_constant.u._32[0] = v1.u._32[0] & v2.u._32[0];
left->u.int64_constant.u._32[1] = v1.u._32[1] & v2.u._32[1];
break;
case CO_OR:
left->u.int64_constant.u._32[0] = v1.u._32[0] | v2.u._32[0];
left->u.int64_constant.u._32[1] = v1.u._32[1] | v2.u._32[1];
break;
case CO_XOR:
left->u.int64_constant.u._32[0] = v1.u._32[0] ^ v2.u._32[0];
left->u.int64_constant.u._32[1] = v1.u._32[1] ^ v2.u._32[1];
break;
case CO_RSHIFT:
I64ShiftR( &v1, v2.u._32[ I64LO32 ], &left->u.int64_constant );
break;
case CO_LSHIFT:
U64ShiftL( &v1, v2.u._32[ I64LO32 ], &left->u.int64_constant );
break;
case CO_EQ:
left = makeBooleanConst( left, 0 == I64Cmp( &v1, &v2 ) );
return( left );
case CO_NE:
left = makeBooleanConst( left, 0 != I64Cmp( &v1, &v2 ) );
return( left );
case CO_GT:
left = makeBooleanConst( left, 0 < I64Cmp( &v1, &v2 )) ;
return( left );
case CO_LE:
left = makeBooleanConst( left, 0 >= I64Cmp( &v1, &v2 ) );
return( left );
case CO_LT:
left = makeBooleanConst( left, 0 > I64Cmp( &v1, &v2 )) ;
return( left );
case CO_GE:
left = makeBooleanConst( left, 0 <= I64Cmp( &v1, &v2 ) );
return( left );
case CO_AND_AND:
left = makeBooleanConst( left, !Zero64( &v1 ) && !Zero64( &v2 ) );
return( left );
case CO_OR_OR:
left = makeBooleanConst( left, !Zero64( &v1) || !Zero64( &v2 ) );
return( left );
case CO_COMMA:
left->u.int64_constant = v2;
break;
default:
return( NULL );
}
left->op = PT_INT_CONSTANT;
return( left );
}