1 files changed, 46 insertions, 0 deletions
diff --git a/src/tables.h b/src/tables.h
new file mode 100644
index 0000000..448ffd9
--- /dev/null
+++ b/src/tables.h
@@ -0,0 +1,46 @@
+#ifndef ORYX_TABLES_H
+#define ORYX_TABLES_H
+
+#include <stdbool.h>
+
+#include <llvm-c/Types.h>
+
+#include "alloc.h"
+#include "strview.h"
+#include "types.h"
+
+typedef struct symtab symtab_t;
+typedef struct typetab typetab_t;
+
+typedef struct {
+	bool exists;
+	idx_t i;
+	LLVMValueRef v;
+} symval_t;
+
+typedef struct type {
+	uint8_t kind;
+
+	union {
+		struct {
+			uint8_t size; /* number of bytes */
+			bool isfloat;
+			bool issigned;
+		};
+		struct  {
+			struct type *params, *ret;
+			idx_t paramcnt;
+		};
+	};
+} type_t;
+
+/* Index the symbol table M with the key SV, returning a pointer to the
+   value.  If no entry exists and A is non-null, a pointer to a newly
+   allocated (and zeroed) value is returned, NULL otherwise. */
+symval_t *symtab_insert(symtab_t **m, strview_t sv, arena_t *a)
+	__attribute__((nonnull(1)));
+
+type_t **typetab_insert(typetab_t **m, strview_t sv, arena_t *a)
+	__attribute__((nonnull(1)));
+
+#endif /* !ORYX_TABLES_H */