#include "master.hpp"
+#include <sstream>
+#include <iomanip>
+#include <stdexcept>
namespace factor {
ctx->replace(tag_fixnum(bignum_to_fixnum(untag<bignum>(ctx->peek()))));
}
+void factor_vm::primitive_bignum_to_fixnum_strict() {
+ ctx->replace(tag_fixnum(bignum_to_fixnum_strict(untag<bignum>(ctx->peek()))));
+}
+
void factor_vm::primitive_float_to_fixnum() {
ctx->replace(tag_fixnum(float_to_fixnum(ctx->peek())));
}
-/* does not allocate, even though from_signed_cell can allocate */
-/* Division can only overflow when we are dividing the most negative fixnum
-by -1. */
+// does not allocate, even though from_signed_cell can allocate
+// Division can only overflow when we are dividing the most negative fixnum
+// by -1.
void factor_vm::primitive_fixnum_divint() {
fixnum y = untag_fixnum(ctx->pop());
fixnum x = untag_fixnum(ctx->peek());
fixnum result = x / y;
if (result == -fixnum_min)
- /* Does not allocate */
+ // Does not allocate
ctx->replace(from_signed_cell(-fixnum_min));
else
ctx->replace(tag_fixnum(result));
}
-/* does not allocate, even though from_signed_cell can allocate */
+// does not allocate, even though from_signed_cell can allocate
void factor_vm::primitive_fixnum_divmod() {
cell* s0 = (cell*)(ctx->datastack);
cell* s1 = (cell*)(ctx->datastack - sizeof(cell));
fixnum y = untag_fixnum(*s0);
fixnum x = untag_fixnum(*s1);
if (y == -1 && x == fixnum_min) {
- /* Does not allocate */
+ // Does not allocate
*s1 = from_signed_cell(-fixnum_min);
*s0 = tag_fixnum(0);
} else {
}
}
-/*
- * If we're shifting right by n bits, we won't overflow as long as none of the
- * high WORD_SIZE-TAG_BITS-n bits are set.
- */
+
+// If we're shifting right by n bits, we won't overflow as long as none of the
+// high WORD_SIZE-TAG_BITS-n bits are set.
inline fixnum factor_vm::sign_mask(fixnum x) {
return x >> (WORD_SIZE - 1);
}
return (x ^ sign_mask(x)) - sign_mask(x);
}
+// Allocates memory
void factor_vm::primitive_fixnum_shift() {
fixnum y = untag_fixnum(ctx->pop());
fixnum x = untag_fixnum(ctx->peek());
ctx->replace(tag<bignum>(bignum_arithmetic_shift(fixnum_to_bignum(x), y)));
}
+// Allocates memory
void factor_vm::primitive_fixnum_to_bignum() {
ctx->replace(tag<bignum>(fixnum_to_bignum(untag_fixnum(ctx->peek()))));
}
+// Allocates memory
void factor_vm::primitive_float_to_bignum() {
ctx->replace(tag<bignum>(float_to_bignum(ctx->peek())));
}
ctx->replace(tag_boolean(bignum_equal_p(x, y)));
}
+// Allocates memory
void factor_vm::primitive_bignum_add() {
POP_BIGNUMS(x, y);
ctx->replace(tag<bignum>(bignum_add(x, y)));
}
+// Allocates memory
void factor_vm::primitive_bignum_subtract() {
POP_BIGNUMS(x, y);
ctx->replace(tag<bignum>(bignum_subtract(x, y)));
}
+// Allocates memory
void factor_vm::primitive_bignum_multiply() {
POP_BIGNUMS(x, y);
ctx->replace(tag<bignum>(bignum_multiply(x, y)));
}
+// Allocates memory
void factor_vm::primitive_bignum_divint() {
POP_BIGNUMS(x, y);
ctx->replace(tag<bignum>(bignum_quotient(x, y)));
}
+// Allocates memory
void factor_vm::primitive_bignum_divmod() {
cell* s0 = (cell*)(ctx->datastack);
cell* s1 = (cell*)(ctx->datastack - sizeof(cell));
bignum* q, *r;
bignum_divide(x, y, &q, &r);
*s1 = tag<bignum>(q);
- *s0 = tag<bignum>(r);
+ *s0 = bignum_maybe_to_fixnum(r);
}
void factor_vm::primitive_bignum_mod() {
POP_BIGNUMS(x, y);
- ctx->replace(tag<bignum>(bignum_remainder(x, y)));
+ cell val = bignum_maybe_to_fixnum(bignum_remainder(x, y));
+ ctx->replace(val);
}
void factor_vm::primitive_bignum_gcd() {
ctx->replace(tag<bignum>(bignum_bitwise_xor(x, y)));
}
+// Allocates memory
void factor_vm::primitive_bignum_shift() {
fixnum y = untag_fixnum(ctx->pop());
bignum* x = untag<bignum>(ctx->peek());
void factor_vm::primitive_bignum_less() {
POP_BIGNUMS(x, y);
- ctx->replace(tag_boolean(bignum_compare(x, y) == bignum_comparison_less));
+ ctx->replace(tag_boolean(bignum_compare(x, y) == BIGNUM_COMPARISON_LESS));
}
void factor_vm::primitive_bignum_lesseq() {
POP_BIGNUMS(x, y);
- ctx->replace(tag_boolean(bignum_compare(x, y) != bignum_comparison_greater));
+ ctx->replace(tag_boolean(bignum_compare(x, y) != BIGNUM_COMPARISON_GREATER));
}
void factor_vm::primitive_bignum_greater() {
POP_BIGNUMS(x, y);
- ctx->replace(tag_boolean(bignum_compare(x, y) == bignum_comparison_greater));
+ ctx->replace(tag_boolean(bignum_compare(x, y) == BIGNUM_COMPARISON_GREATER));
}
void factor_vm::primitive_bignum_greatereq() {
POP_BIGNUMS(x, y);
- ctx->replace(tag_boolean(bignum_compare(x, y) != bignum_comparison_less));
+ ctx->replace(tag_boolean(bignum_compare(x, y) != BIGNUM_COMPARISON_LESS));
}
void factor_vm::primitive_bignum_not() {
ctx->replace(tag<bignum>(bignum_integer_length(untag<bignum>(ctx->peek()))));
}
-/* Allocates memory */
+// Allocates memory
void factor_vm::primitive_fixnum_to_float() {
ctx->replace(allot_float(fixnum_to_float(ctx->peek())));
}
-/* Allocates memory */
+// Allocates memory
void factor_vm::primitive_format_float() {
- byte_array* array = allot_byte_array(100);
+ char* locale = alien_offset(ctx->pop());
char* format = alien_offset(ctx->pop());
+ fixnum precision = untag_fixnum(ctx->pop());
+ fixnum width = untag_fixnum(ctx->pop());
+ char* fill = alien_offset(ctx->pop());
double value = untag_float_check(ctx->peek());
- SNPRINTF(array->data<char>(), 99, format, value);
+ std::ostringstream localized_stream;
+ try {
+ localized_stream.imbue(std::locale(locale));
+ } catch (const runtime_error&) {
+ byte_array* array = allot_byte_array(0);
+ ctx->replace(tag<byte_array>(array));
+ return;
+ }
+ switch (format[0]) {
+ case 'f': localized_stream << std::fixed; break;
+ case 'e': localized_stream << std::scientific; break;
+ }
+ if (isupper(format[0])) {
+ localized_stream << std::uppercase;
+ }
+ if (fill[0] != '\0') {
+ localized_stream << std::setfill(fill[0]);
+ }
+ if (width >= 0) {
+ localized_stream << std::setw(static_cast<int>(width));
+ }
+ if (precision >= 0) {
+ localized_stream << std::setprecision(static_cast<int>(precision));
+ }
+ localized_stream << value;
+ const std::string& tmp = localized_stream.str();
+ const char* cstr = tmp.c_str();
+ size_t size = tmp.length();
+ byte_array* array = allot_byte_array(size);
+ memcpy(array->data<char>(), cstr, size);
ctx->replace(tag<byte_array>(array));
}
ctx->replace(tag_boolean(x == y));
}
-/* Allocates memory */
+// Allocates memory
void factor_vm::primitive_float_add() {
POP_FLOATS(x, y);
ctx->replace(allot_float(x + y));
}
-/* Allocates memory */
+// Allocates memory
void factor_vm::primitive_float_subtract() {
POP_FLOATS(x, y);
ctx->replace(allot_float(x - y));
}
-/* Allocates memory */
+// Allocates memory
void factor_vm::primitive_float_multiply() {
POP_FLOATS(x, y);
ctx->replace(allot_float(x * y));
}
-/* Allocates memory */
+// Allocates memory
void factor_vm::primitive_float_divfloat() {
POP_FLOATS(x, y);
ctx->replace(allot_float(x / y));
ctx->replace(tag_boolean(x >= y));
}
-/* Allocates memory */
+// Allocates memory
void factor_vm::primitive_float_bits() {
- ctx->push(
- from_unsigned_cell(float_bits((float)untag_float_check(ctx->pop()))));
+ ctx->replace(
+ from_unsigned_cell(float_bits((float)untag_float_check(ctx->peek()))));
}
-/* Allocates memory */
+// Allocates memory
void factor_vm::primitive_bits_float() {
- ctx->push(allot_float(bits_float((uint32_t)to_cell(ctx->pop()))));
+ ctx->replace(allot_float(bits_float((uint32_t)to_cell(ctx->peek()))));
}
void factor_vm::primitive_double_bits() {
- ctx->push(from_unsigned_8(double_bits(untag_float_check(ctx->pop()))));
+ ctx->replace(from_unsigned_8(double_bits(untag_float_check(ctx->peek()))));
}
-/* Allocates memory */
+// Allocates memory
void factor_vm::primitive_bits_double() {
- ctx->push(allot_float(bits_double(to_unsigned_8(ctx->pop()))));
-}
-
-/* Allocates memory */
-fixnum factor_vm::to_fixnum(cell tagged) {
- switch (TAG(tagged)) {
- case FIXNUM_TYPE:
- return untag_fixnum(tagged);
- case BIGNUM_TYPE:
- return bignum_to_fixnum_strict(untag<bignum>(tagged));
- default:
- type_error(FIXNUM_TYPE, tagged);
- return 0; /* can't happen */
+ ctx->replace(allot_float(bits_double(to_unsigned_8(ctx->peek()))));
+}
+
+// Cannot allocate.
+#define CELL_TO_FOO(name, type, converter) \
+ type factor_vm::name(cell tagged) { \
+ switch (TAG(tagged)) { \
+ case FIXNUM_TYPE: \
+ return (type)untag_fixnum(tagged); \
+ case BIGNUM_TYPE: \
+ return converter(untag<bignum>(tagged)); \
+ default: \
+ type_error(FIXNUM_TYPE, tagged); \
+ return 0; /* can't happen */ \
+ } \
+ } \
+ VM_C_API type name(cell tagged, factor_vm* parent) { \
+ return parent->name(tagged); \
}
-}
-
-VM_C_API fixnum to_fixnum(cell tagged, factor_vm* parent) {
- return parent->to_fixnum(tagged);
-}
-
-cell factor_vm::to_cell(cell tagged) { return (cell)to_fixnum(tagged); }
-VM_C_API cell to_cell(cell tagged, factor_vm* parent) {
- return parent->to_cell(tagged);
-}
+CELL_TO_FOO(to_fixnum, fixnum, bignum_to_fixnum)
+CELL_TO_FOO(to_fixnum_strict, fixnum, bignum_to_fixnum_strict)
+CELL_TO_FOO(to_cell, cell, bignum_to_cell)
+CELL_TO_FOO(to_signed_8, int64_t, bignum_to_long_long)
+CELL_TO_FOO(to_unsigned_8, uint64_t, bignum_to_ulong_long)
-/* Allocates memory */
+// Allocates memory
VM_C_API cell from_signed_cell(fixnum integer, factor_vm* parent) {
return parent->from_signed_cell(integer);
}
-/* Allocates memory */
+// Allocates memory
VM_C_API cell from_unsigned_cell(cell integer, factor_vm* parent) {
return parent->from_unsigned_cell(integer);
}
-/* Allocates memory */
+// Allocates memory
cell factor_vm::from_signed_8(int64_t n) {
if (n < fixnum_min || n > fixnum_max)
return tag<bignum>(long_long_to_bignum(n));
return parent->from_signed_8(n);
}
-/* Cannot allocate */
-int64_t factor_vm::to_signed_8(cell obj) {
- switch (tagged<object>(obj).type()) {
- case FIXNUM_TYPE:
- return untag_fixnum(obj);
- case BIGNUM_TYPE:
- return bignum_to_long_long(untag<bignum>(obj));
- default:
- type_error(BIGNUM_TYPE, obj);
- return 0;
- }
-}
-
-VM_C_API int64_t to_signed_8(cell obj, factor_vm* parent) {
- return parent->to_signed_8(obj);
-}
-
-/* Allocates memory */
+// Allocates memory
cell factor_vm::from_unsigned_8(uint64_t n) {
if (n > (uint64_t)fixnum_max)
return tag<bignum>(ulong_long_to_bignum(n));
return parent->from_unsigned_8(n);
}
-/* Cannot allocate */
-uint64_t factor_vm::to_unsigned_8(cell obj) {
- switch (tagged<object>(obj).type()) {
- case FIXNUM_TYPE:
- return untag_fixnum(obj);
- case BIGNUM_TYPE:
- return bignum_to_ulong_long(untag<bignum>(obj));
- default:
- type_error(BIGNUM_TYPE, obj);
- return 0;
- }
-}
-
-VM_C_API uint64_t to_unsigned_8(cell obj, factor_vm* parent) {
- return parent->to_unsigned_8(obj);
-}
-
-/* Cannot allocate */
+// Cannot allocate
float factor_vm::to_float(cell value) {
return (float)untag_float_check(value);
}
-/* Cannot allocate */
+// Cannot allocate
double factor_vm::to_double(cell value) { return untag_float_check(value); }
-/* The fixnum+, fixnum- and fixnum* primitives are defined in cpu_*.S. On
- overflow, they call these functions. */
-/* Allocates memory */
+// The fixnum+, fixnum- and fixnum* primitives are defined in cpu_*.S. On
+// overflow, they call these functions.
+// Allocates memory
inline void factor_vm::overflow_fixnum_add(fixnum x, fixnum y) {
ctx->replace(
tag<bignum>(fixnum_to_bignum(untag_fixnum(x) + untag_fixnum(y))));
parent->overflow_fixnum_add(x, y);
}
-/* Allocates memory */
+// Allocates memory
inline void factor_vm::overflow_fixnum_subtract(fixnum x, fixnum y) {
ctx->replace(
tag<bignum>(fixnum_to_bignum(untag_fixnum(x) - untag_fixnum(y))));
parent->overflow_fixnum_subtract(x, y);
}
-/* Allocates memory */
+// Allocates memory
inline void factor_vm::overflow_fixnum_multiply(fixnum x, fixnum y) {
- bignum* bx = fixnum_to_bignum(x);
- GC_BIGNUM(bx);
- bignum* by = fixnum_to_bignum(y);
- GC_BIGNUM(by);
- ctx->replace(tag<bignum>(bignum_multiply(bx, by)));
+ data_root<bignum> bx(fixnum_to_bignum(x), this);
+ data_root<bignum> by(fixnum_to_bignum(y), this);
+ cell ret = tag<bignum>(bignum_multiply(bx.untagged(), by.untagged()));
+ ctx->replace(ret);
}
VM_C_API void overflow_fixnum_multiply(fixnum x, fixnum y, factor_vm* parent) {
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