/**
 * Contains the interface for reading tokens from a file.
 */
#ifndef TOKEN_H
#define TOKEN_H

typedef enum {
	// Keywords
	TOKEN_MODULE,
	TOKEN_IMPORT,
	TOKEN_SEMICOLON,

	// Symbols
	TOKEN_PARENT_OPEN,
	TOKEN_PARENT_CLOSE,
	TOKEN_BRACKET_OPEN,
	TOKEN_BRACKET_CLOSE,
	TOKEN_COMMA,

	// Primitives
	TOKEN_VOID,

	// Variable
	TOKEN_IDENTIFIER,
} Token;

typedef struct TokenStream TokenStream;

/**
 * Opens a file and returns a TokenStream for it.
 * @param path The path to the file.
 * @returns A handle to the TokenStream.
 */
TokenStream* tokenstream_open(const char* path);

/**
 * Closes a TokenStream.
 * @param ts The TokenStream to close.
 */
void tokenstream_close(TokenStream* ts);

/**
 * Gets the next token from the TokenStream.
 * @param ts The TokenStream to read from.
 * @returns The next token read.
 */
Token tokenstream_next(TokenStream* ts);

#endif