1 files changed, 64 insertions, 0 deletions
diff --git a/src/fspec/bcode.h b/src/fspec/bcode.h
new file mode 100644
index 0000000..d84060e
--- /dev/null
+++ b/src/fspec/bcode.h
@@ -0,0 +1,64 @@
+#pragma once
+
+#include <fspec/memory.h>
+
+#include <inttypes.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+/** maximum range of numbers */
+#define PRI_FSPEC_NUM PRIu64
+typedef uint64_t fspec_num;
+
+enum fspec_arg {
+   FSPEC_ARG_DAT,
+   FSPEC_ARG_OFF,
+   FSPEC_ARG_NUM,
+   FSPEC_ARG_VAR,
+   FSPEC_ARG_STR,
+   FSPEC_ARG_EOF,
+   FSPEC_ARG_LAST,
+} __attribute__((packed));
+
+void
+fspec_arg_get_mem(const enum fspec_arg *arg, const void *data, struct fspec_mem *out_mem);
+
+fspec_num
+fspec_arg_get_num(const enum fspec_arg *arg);
+
+const char*
+fspec_arg_get_cstr(const enum fspec_arg *arg, const void *data);
+
+const enum fspec_arg*
+fspec_arg_next(const enum fspec_arg *arg, const void *end, const uint8_t nth, const uint32_t expect);
+
+enum fspec_declaration {
+   FSPEC_DECLARATION_STRUCT,
+   FSPEC_DECLARATION_MEMBER,
+   FSPEC_DECLARATION_LAST,
+} __attribute__((packed));
+
+enum fspec_visual {
+   FSPEC_VISUAL_NUL,
+   FSPEC_VISUAL_DEC,
+   FSPEC_VISUAL_HEX,
+   FSPEC_VISUAL_STR,
+   FSPEC_VISUAL_LAST,
+} __attribute__((packed));
+
+enum fspec_op {
+   FSPEC_OP_ARG,
+   FSPEC_OP_HEADER,
+   FSPEC_OP_DECLARATION,
+   FSPEC_OP_READ,
+   FSPEC_OP_GOTO,
+   FSPEC_OP_FILTER,
+   FSPEC_OP_VISUAL,
+   FSPEC_OP_LAST,
+} __attribute__((packed));
+
+const enum fspec_op*
+fspec_op_next(const enum fspec_op *op, const void *end, const bool skip_args);
+
+const enum fspec_arg*
+fspec_op_get_arg(const enum fspec_op *op, const void *end, const uint8_t nth, const uint32_t expect);