+++ /dev/null
-#include <stdio.h>
-#include <stdlib.h>
-#include "common/err.h"
-#include "api/vm.h"
-#include "api/int.h"
-#include "api/bool.h"
-#include "api/util.h"
-
-typedef enum
-{
- BOP_SUB,
- BOP_DIV,
- BOP_MOD,
- BOP_SML,
- BOP_GRT,
- BOP_EQU,
-} BinaryOP;
-
-static long binary(const char *fnname, UwUVMArgs *args, BinaryOP op)
-{
- uwuutil_require_exact(fnname, args, 2);
-
- UwUVMValue value0 = uwuvm_get_arg(args, 0);
-
- if (value0.type != &uwuint_type)
- error("type error: %s requires an integer as $1\n", fnname);
-
- UwUVMValue value1 = uwuvm_get_arg(args, 1);
-
- if (value1.type != &uwuint_type)
- error("type error: %s requires an integer as $2\n", fnname);
-
- long a = uwuint_get(value0);
- long b = uwuint_get(value1);
-
- switch (op) {
- case BOP_SUB: return a - b;
- case BOP_DIV: return a / b;
- case BOP_MOD: return a % b;
- case BOP_SML: return a < b;
- case BOP_GRT: return a > b;
- case BOP_EQU: return a == b;
- }
-
- return 0;
-}
-
-typedef enum
-{
- ROP_ADD,
- ROP_MUL,
- ROP_EQU,
-} ReduceOP;
-
-static long reduce(const char *fnname, UwUVMArgs *args, ReduceOP op, long result)
-{
- long first;
-
- for (size_t i = 0; i < args->num; i++) {
- UwUVMValue value = uwuvm_get_arg(args, i);
-
- if (value.type != &uwuint_type)
- error("type error: %s only accepts integers as arguments (invalid argument: $%lu)\n", fnname, i + 1);
-
- long this = uwuint_get(value);
-
- switch (op) {
- case ROP_ADD: result += this; break;
- case ROP_MUL: result *= this; break;
- case ROP_EQU:
- if (i == 0)
- first = this;
- else if (this != first)
- return 0;
-
- break;
- }
- }
-
- return result;
-}
-
-UwUVMValue uwu_add(UwUVMArgs *args)
-{
- return uwuint_create(reduce("int.add", args, ROP_ADD, 0));
-}
-
-UwUVMValue uwu_sub(UwUVMArgs *args)
-{
- return uwuint_create(binary("int.sub", args, BOP_SUB));
-}
-
-UwUVMValue uwu_mul(UwUVMArgs *args)
-{
- return uwuint_create(reduce("int.mul", args, ROP_MUL, 1));
-}
-
-UwUVMValue uwu_div(UwUVMArgs *args)
-{
- return uwuint_create(binary("int.div", args, BOP_DIV));
-}
-
-UwUVMValue uwu_mod(UwUVMArgs *args)
-{
- return uwuint_create(binary("int.mod", args, BOP_MOD));
-}
-
-UwUVMValue uwu_smaller(UwUVMArgs *args)
-{
- return uwubool_create(binary("int.smaller", args, BOP_SML) == 1);
-}
-
-UwUVMValue uwu_greater(UwUVMArgs *args)
-{
- return uwubool_create(binary("int.greater", args, BOP_GRT) == 1);
-}
-
-UwUVMValue uwu_equal(UwUVMArgs *args)
-{
- uwuutil_require_min("int.equal", args, 2);
- return uwubool_create(reduce("int.equal", args, ROP_EQU, 1) == 1);
-}
-
-UwUVMValue uwu_is(UwUVMArgs *args)
-{
- return uwuutil_is_type("int.is", args, &uwuint_type);
-}