#ifndef ZRL_COMPILER_H
#define ZRL_COMPILER_H

#include "lexer.h"
#include "opcodes.h"

typedef enum { INT, REAL, NATURAL, POINTER, STRING, ARRAY, PLEX } SymbolType;

typedef struct plex_def_t {
  SymbolType subtype;
  uint32_t size; 
} PlexDef;

typedef struct array_def_t {
  SymbolType subtype;
  uint32_t length; 
} ArrayDef;

#define SYMBOL_NAME_SIZE 24

typedef struct symbol_t {
  char name[SYMBOL_NAME_SIZE];
  SymbolType type;
  union {
    PlexDef pd;
    ArrayDef ad;
  };
  int8_t reg;
  uint8_t flags[3]; /* only use for padding now, might be used later*/
  uint32_t frame;
  uint32_t ptr;
} Symbol;

#define MODULE_NAME_SIZE 32
#define SYMBOL_COUNT 256

typedef struct symbol_table_t {
  char name[MODULE_NAME_SIZE];
  Symbol symbols[SYMBOL_COUNT];
  uint32_t sc;
} SymbolTable;

extern SymbolTable st;

bool compile(const char *source, VM *vm);

#endif