feat: implement objects and classes

include/compiler/utils/fzl_ctable.h

@@ -0,0 +1,30 @@
+#ifndef FZL_CTABLE_H
+#define FZL_CTABLE_H
+
+#include <common/fzl_types.h>
+#include <stddef.h>
+
+// Class field descriptor
+typedef struct
+{
+  char *name;
+  size_t slot_index;
+  fzl_type_t type;
+} fzl_ctable_field_t;
+
+// Class table descriptor
+typedef struct
+{
+  char *name;
+  fzl_ctable_field_t *fields;
+  size_t fields_count;
+  size_t fields_remainder;
+} fzl_ctable_t;
+
+// Allocate class table
+fzl_ctable_t *fzl_mkctable(char *name);
+
+// Free class table
+void fzl_freectable(fzl_ctable_t *ct);
+
+#endif // FZL_CTABLE_H

include/compiler/utils/fzl_symtable.h

@@ -10,7 +10,8 @@ typedef enum
 {
   FZL_SYMTABLE_RESULT_OK,
   FZL_SYMTABLE_RESULT_ERR,
-  FZL_SYMTABLE_RESULT_EXISTS
+  FZL_SYMTABLE_RESULT_EXISTS,
+  FZL_SYMTABLE_RESULT_NOT_OBJECT
 } fzl_symtable_res_t;
 
 // Symbols table entry descriptor
@@ -19,6 +20,8 @@ typedef struct
   char *name;
   fzl_type_t type;
   size_t ip;
+
+  char *classname;
 } fzl_sym_t;
 
 // Symbols table descriptor
@@ -37,6 +40,10 @@ fzl_symtable_t *fzl_mksymt();
 fzl_symtable_res_t fzl_symt_put(fzl_symtable_t *symt, char *name,
                                 fzl_type_t type, uint64_t ip);
 
+// Assign class name to object type
+fzl_symtable_res_t fzl_symt_setobjclass(fzl_symtable_t *symt, char *name,
+                                        char *classname);
+
 // Get entry from specified symtable
 bool fzl_symt_get(fzl_symtable_t *symt, char *name, fzl_sym_t *res);