kolibrios-fun/programs/develop/tinybasic-1.0.4/inc/parser.h

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/*
* Tiny BASIC
* Parser Header
*
* Released as Public Domain by Damian Gareth Walker 2019
* Created: 08-Aug-2019
*/
#ifndef __PARSER_H__
#define __PARSER_H__
/* pre-requisite headers */
#include "statement.h"
#include "errors.h"
#include "options.h"
#include "tokeniser.h"
/*
* Data Declarations
*/
/* the parser */
typedef struct parser_data ParserData;
typedef struct parser Parser;
typedef struct parser {
/* Properties */
ParserData *priv; /* parser's private data */
/*
* Public methods
*/
/*
* Parse the whole program
* params:
* Parser* The parser to use
* INPUT* The input file to parse
* returns:
* ProgramNode* The parsed program
*/
ProgramNode *(*parse) (Parser *);
/*
* Return the current source line we're parsing
* params:
* Parser* The parser to use
* returns:
* int the line returned
*/
int (*get_line) (Parser *);
/*
* Return the label of the source line we're parsing
* params:
* Parser* The parser to use
* returns:
* int the label returned
*/
int (*get_label) (Parser *);
/*
* Destroy this parser object
* params:
* Parser* the doomed parser
*/
void (*destroy) (Parser *);
} Parser;
/*
* Function Declarations
*/
/*
* Constructor
* params:
* ErrorHandler* the error handler to use
* LanguageOptions* the language options to use
* FILE* the input file
* returns:
* Parser* the new parser
*/
Parser *new_Parser (ErrorHandler *, LanguageOptions *, FILE *);
#endif