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Added Rust support to the Fun core. (0.38.0)

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This commit is contained in:
Johannes Findeisen 2026-01-27 04:26:54 +01:00
commit 149e135318
12 changed files with 299 additions and 1 deletions
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25
src/vm.c
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@ -466,6 +466,28 @@ static Value pop_value(VM *vm) {
return vm->stack[vm->sp--]; /* caller owns returned Value */
}
/* --- C ABI helpers for Rust FFI --- */
int64_t vm_pop_i64(VM *vm) {
Value v = pop_value(vm);
int64_t out = 0;
if (v.type == VAL_INT) {
out = v.i;
} else if (v.type == VAL_FLOAT) {
out = (int64_t) v.d;
} else {
fprintf(stderr, "Runtime type error: expected int/float on stack, got %s\n", value_type_name(v.type));
free_value(v);
exit(1);
}
/* free any dynamic payload (no-op for int/float) */
free_value(v);
return out;
}
void vm_push_i64(VM *vm, int64_t v) {
push_value(vm, make_int(v));
}
static void frame_init(Frame *f) {
f->fn = NULL;
f->ip = 0;
@ -734,6 +756,9 @@ void vm_run(VM *vm, Bytecode *entry) {
#include "vm/math/isqrt.c"
#include "vm/math/sign.c"
/* Rust FFI demo opcode(s) */
#include "vm/rust/hello.c"
#include "vm/os/env.c"
#include "vm/os/env_all.c"
#include "vm/os/fun_version.c"