#ifndef ZRE_PARSER_H
#define ZRE_PARSER_H

#include "common.h"
#include <string.h>

typedef enum TokenType
{
  /* Single char tokens */
  TOKEN_LEFT_PAREN,
  TOKEN_RIGHT_PAREN,
  TOKEN_LEFT_BRACE,
  TOKEN_RIGHT_BRACE,
  TOKEN_SEMICOLON,
  TOKEN_EQUALS,
  TOKEN_DOT,
  /* Literals */
  TOKEN_IDENTIFIER,
  TOKEN_STRING,
  TOKEN_FLOAT,
  TOKEN_U8,
  TOKEN_I8,
  TOKEN_U16,
  TOKEN_I16,
  TOKEN_U64,
  TOKEN_I64,
  TOKEN_INT,
  TOKEN_UINT,
  /* TOKEN_ARRAY, */
  /* TOKEN_MAP, */
  TOKEN_FALSE,
  TOKEN_TRUE,
  TOKEN_NULL,
  TOKEN_EOF,
  TOKEN_ERROR,
  /* Operators */
  TOKEN_ADD,
  TOKEN_SUB,
  TOKEN_MUL,
  TOKEN_DIV,
  TOKEN_MOD,
  TOKEN_GT,
  TOKEN_LT,
  TOKEN_EQ,
  TOKEN_GE,
  TOKEN_LE,
  TOKEN_NE,
  TOKEN_AND,
  TOKEN_OR,
  TOKEN_XOR,
  TOKEN_SHIFTRIGHT,
  TOKEN_SHIFTLEFT,
  /* Keywords */
  TOKEN_FN,
  TOKEN_TO,
  TOKEN_IN,
  TOKEN_IS,
  TOKEN_AS,
  TOKEN_USE,
  TOKEN_IF,
  TOKEN_ELSE,
  TOKEN_DEFAULT,
  TOKEN_FOR,
  TOKEN_TRY,
  TOKEN_CATCH,
  TOKEN_WHILE,
  TOKEN_DO,
  TOKEN_EXIT,
  TOKEN_SWITCH,
  TOKEN_RETURN,
  TOKEN_CONST,
  TOKEN_TYPE,
  TOKEN_THIS,
  TOKEN_YIELD,
  TOKEN_CASE,
  TOKEN_ASSERT,
  TOKEN_BREAK,
  TOKEN_LET,
  TOKEN_PRINT,
  TOKEN_TO_S,
} TokenType;

#define PRINT_TOKEN_CASE(token_suffix) \
  case token_suffix: \
    printf("" #token_suffix " %s line_no=%d\n", str, t.line); \
    break;

typedef struct Token Token;
struct Token
{
  TokenType type;
  char *start;
  int32_t length;
  int32_t line;
};

typedef struct SourceCode SourceCode;
struct SourceCode
{
  size_t size;
  char *buf;
  int count;
};

typedef struct TokenMap TokenMap;
struct TokenMap
{
  struct TokenMap* next;
  char* keyword;
  TokenType token;
};

void initTokenMap(); 
void initTokenizer (char *src);
void printToken (Token t);
Token nextToken();

#endif