diff --git a/src/proto/vim9instr.pro b/src/proto/vim9instr.pro
new file mode 100644
index 0000000..4df3af0
--- /dev/null
+++ b/src/proto/vim9instr.pro
@@ -0,0 +1,72 @@
+/* vim9instr.c */
+isn_T *generate_instr(cctx_T *cctx, isntype_T isn_type);
+isn_T *generate_instr_drop(cctx_T *cctx, isntype_T isn_type, int drop);
+isn_T *generate_instr_type(cctx_T *cctx, isntype_T isn_type, type_T *type);
+isn_T *generate_instr_debug(cctx_T *cctx);
+int may_generate_2STRING(int offset, int tolerant, cctx_T *cctx);
+int generate_add_instr(cctx_T *cctx, vartype_T vartype, type_T *type1, type_T *type2, exprtype_T expr_type);
+vartype_T operator_type(type_T *type1, type_T *type2);
+int generate_two_op(cctx_T *cctx, char_u *op);
+int check_compare_types(exprtype_T type, typval_T *tv1, typval_T *tv2);
+int generate_COMPARE(cctx_T *cctx, exprtype_T exprtype, int ic);
+int generate_2BOOL(cctx_T *cctx, int invert, int offset);
+int generate_COND2BOOL(cctx_T *cctx);
+int generate_TYPECHECK(cctx_T *cctx, type_T *expected, int offset, int argidx);
+int generate_SETTYPE(cctx_T *cctx, type_T *expected);
+int generate_tv_PUSH(cctx_T *cctx, typval_T *tv);
+int generate_PUSHNR(cctx_T *cctx, varnumber_T number);
+int generate_PUSHBOOL(cctx_T *cctx, varnumber_T number);
+int generate_PUSHSPEC(cctx_T *cctx, varnumber_T number);
+int generate_PUSHF(cctx_T *cctx, float_T fnumber);
+int generate_PUSHS(cctx_T *cctx, char_u **str);
+int generate_PUSHCHANNEL(cctx_T *cctx, channel_T *channel);
+int generate_PUSHJOB(cctx_T *cctx, job_T *job);
+int generate_PUSHBLOB(cctx_T *cctx, blob_T *blob);
+int generate_PUSHFUNC(cctx_T *cctx, char_u *name, type_T *type);
+int generate_GETITEM(cctx_T *cctx, int index, int with_op);
+int generate_SLICE(cctx_T *cctx, int count);
+int generate_CHECKLEN(cctx_T *cctx, int min_len, int more_OK);
+int generate_STORE(cctx_T *cctx, isntype_T isn_type, int idx, char_u *name);
+int generate_STOREOUTER(cctx_T *cctx, int idx, int level);
+int generate_STORENR(cctx_T *cctx, int idx, varnumber_T value);
+int generate_STOREOPT(cctx_T *cctx, isntype_T isn_type, char_u *name, int opt_flags);
+int generate_LOAD(cctx_T *cctx, isntype_T isn_type, int idx, char_u *name, type_T *type);
+int generate_LOADOUTER(cctx_T *cctx, int idx, int nesting, type_T *type);
+int generate_LOADV(cctx_T *cctx, char_u *name, int error);
+int generate_UNLET(cctx_T *cctx, isntype_T isn_type, char_u *name, int forceit);
+int generate_LOCKCONST(cctx_T *cctx);
+int generate_OLDSCRIPT(cctx_T *cctx, isntype_T isn_type, char_u *name, int sid, type_T *type);
+int generate_VIM9SCRIPT(cctx_T *cctx, isntype_T isn_type, int sid, int idx, type_T *type);
+int generate_NEWLIST(cctx_T *cctx, int count);
+int generate_NEWDICT(cctx_T *cctx, int count);
+int generate_FUNCREF(cctx_T *cctx, ufunc_T *ufunc);
+int generate_NEWFUNC(cctx_T *cctx, char_u *lambda_name, char_u *func_name);
+int generate_DEF(cctx_T *cctx, char_u *name, size_t len);
+int generate_JUMP(cctx_T *cctx, jumpwhen_T when, int where);
+int generate_JUMP_IF_ARG_SET(cctx_T *cctx, int arg_off);
+int generate_FOR(cctx_T *cctx, int loop_idx);
+int generate_TRYCONT(cctx_T *cctx, int levels, int where);
+int generate_BCALL(cctx_T *cctx, int func_idx, int argcount, int method_call);
+int generate_LISTAPPEND(cctx_T *cctx);
+int generate_BLOBAPPEND(cctx_T *cctx);
+int generate_CALL(cctx_T *cctx, ufunc_T *ufunc, int pushed_argcount);
+int generate_UCALL(cctx_T *cctx, char_u *name, int argcount);
+int generate_PCALL(cctx_T *cctx, int argcount, char_u *name, type_T *type, int at_top);
+int generate_STRINGMEMBER(cctx_T *cctx, char_u *name, size_t len);
+int generate_ECHO(cctx_T *cctx, int with_white, int count);
+int generate_MULT_EXPR(cctx_T *cctx, isntype_T isn_type, int count);
+int generate_PUT(cctx_T *cctx, int regname, linenr_T lnum);
+int generate_EXEC_copy(cctx_T *cctx, isntype_T isntype, char_u *line);
+int generate_EXEC(cctx_T *cctx, isntype_T isntype, char_u *str);
+int generate_LEGACY_EVAL(cctx_T *cctx, char_u *line);
+int generate_EXECCONCAT(cctx_T *cctx, int count);
+int generate_RANGE(cctx_T *cctx, char_u *range);
+int generate_UNPACK(cctx_T *cctx, int var_count, int semicolon);
+int generate_cmdmods(cctx_T *cctx, cmdmod_T *cmod);
+int generate_undo_cmdmods(cctx_T *cctx);
+int generate_store_var(cctx_T *cctx, assign_dest_T dest, int opt_flags, int vimvaridx, int scriptvar_idx, int scriptvar_sid, type_T *type, char_u *name);
+int generate_store_lhs(cctx_T *cctx, lhs_T *lhs, int instr_count);
+void may_generate_prof_end(cctx_T *cctx, int prof_lnum);
+void delete_instr(isn_T *isn);
+void clear_instr_ga(garray_T *gap);
+/* vim: set ft=c : */