Rewrite the bytecode interpreter in Rust.

1 files changed, 0 insertions, 97 deletions

diff --git a/bytecode/oper.c b/bytecode/oper.c
deleted file mode 100644
index 0bdb8f6..0000000
--- a/bytecode/oper.c
+++ /dev/null
@@ -1,97 +0,0 @@
-#include <stdbool.h>
-#include <stdlib.h>
-
-#include "byte_slice.h"
-#include "encoding.h"
-#include "heap.h"
-#include "panic.h"
-#include "value.h"
-#include "value_slice.h"
-
-#include "oper.h"
-
-struct st {
-	size_t i;
-	value locals[NUM_LOCALS];
-	struct heap heap;
-};
-
-static value read_arg(struct st *s, struct arg arg)
-{
-	if (arg.constant) {
-		return arg.constant;
-	}
-	return s->locals[arg.local];
-}
-
-static void oalloc(struct st *s, struct op oper)
-{
-	s->locals[oper.alloc.out] = from_pointer(alloc(&s->heap, to_int(read_arg(s, oper.alloc.size))));
-}
-
-static void call(struct st *s)
-{
-	s->i = to_int(s->locals[0]);
-}
-
-static void poke(struct st *s, struct op oper)
-{
-	value *p = to_pointer(s->locals[oper.poke.pointer]);
-	p[oper.poke.offset] = read_arg(s, oper.poke.value);
-}
-
-static void peek(struct st *s, struct op oper)
-{
-	value *p = to_pointer(read_arg(s, oper.peek.value));
-	s->locals[oper.peek.out] = p[oper.peek.offset];
-}
-
-static void shuf(struct st *s, struct op oper)
-{
-	s->locals[oper.shuf.out] = read_arg(s, oper.shuf.value);
-}
-
-static void oexit(struct st *s, struct op oper)
-{
-	exit(to_int(read_arg(s, oper.exit.value)));
-}
-
-static void op(struct st *s, struct op oper)
-{
-	switch (oper.code) {
-	case OALLOC:
-		oalloc(s, oper);
-		break;
-	case OCALL:
-		call(s);
-		break;
-	case OPOKE:
-		poke(s, oper);
-		break;
-	case OPEEK:
-		peek(s, oper);
-		break;
-	case OSHUF:
-		shuf(s, oper);
-		break;
-	case OEXIT:
-		oexit(s, oper);
-		break;
-	default:
-		panicf("Invalid op: %x\n", oper.code);
-	}
-}
-
-void run(uint8_t_slice prog)
-{
-	struct st s = {
-		.i = 0,
-		.locals = { 0 },
-	};
-	s.heap = new_heap((value_slice) { .size = NUM_LOCALS, .buf = s.locals });
-	while (true) {
-		struct result oper = parse(uint8_t_slice1(prog, s.i));
-		s.i += oper.n;
-		op(&s, oper.op);
-	}
-}