#ifndef LEXER_H
#define LEXER_H

typedef enum lexer_token_class
{
	LEXER_TOKEN_WHITESPACE,
	LEXER_TOKEN_IDENTIFIER,
	LEXER_TOKEN_KEYWORD,
	LEXER_TOKEN_OPERATOR,
	LEXER_TOKEN_SEPARATOR,

	LEXER_TOKEN_INTEGER,
	LEXER_TOKEN_STRING,

	LEXER_TOKEN_FUNCTION_START,
	LEXER_TOKEN_FUNCTION_END,
	LEXER_TOKEN_EXPRESSION_START,
	LEXER_TOKEN_EXPRESSION_END
} lexer_token_class;

typedef struct lexer_token
{
	lexer_token_class tokenClass;
	char* str;
	size_t len;
} lexer_token;

typedef struct lexer_tokens
{
	lexer_token* pairs;
	size_t length;
	size_t allocd;
} lexer_tokens;

lexer_tokens* lexer_analyze(char* str);

#endif