move to meson for build system

src/vm.h

@@ -0,0 +1,34 @@
+#ifndef VM_H
+#define VM_H
+
+#include "common.h"
+
+#include "chunk.h"
+#include "gc.h"
+#include "object.h"
+
+enum {
+  OP_NOP = 0,
+  OP_CONST,       // Push constant to stack
+  OP_JUMP,        // Relative jump
+  OP_JUMP_IF_NIL, // Relative jump if top-of-stack is nil
+  OP_DOWORD,
+  OP_CALL,
+  OP_RETURN,
+};
+
+#define STACK_SIZE 256
+
+typedef struct Vm {
+  Gc gc;
+  O stack[256], *sp;
+  U rstack[256], *rsp;
+  U8 *ip;
+} Vm;
+
+V vm_init(Vm *);
+V vm_push(Vm *, O);
+O vm_pop(Vm *);
+O vm_peek(Vm *);
+V vm_run(Vm *, Bc *, I);
+#endif