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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 8733 | turbocat | 1 | /* |
| 2 | * Tiny BASIC |
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| 3 | * Parser Header |
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| 4 | * |
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| 5 | * Released as Public Domain by Damian Gareth Walker 2019 |
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| 6 | * Created: 08-Aug-2019 |
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| 7 | */ |
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| 8 | |||
| 9 | |||
| 10 | #ifndef __PARSER_H__ |
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| 11 | #define __PARSER_H__ |
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| 12 | |||
| 13 | |||
| 14 | /* pre-requisite headers */ |
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| 15 | #include "statement.h" |
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| 16 | #include "errors.h" |
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| 17 | #include "options.h" |
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| 18 | #include "tokeniser.h" |
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| 19 | |||
| 20 | |||
| 21 | /* |
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| 22 | * Data Declarations |
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| 23 | */ |
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| 24 | |||
| 25 | |||
| 26 | /* the parser */ |
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| 27 | typedef struct parser_data ParserData; |
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| 28 | typedef struct parser Parser; |
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| 29 | typedef struct parser { |
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| 30 | |||
| 31 | /* Properties */ |
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| 32 | ParserData *priv; /* parser's private data */ |
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| 33 | |||
| 34 | /* |
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| 35 | * Public methods |
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| 36 | */ |
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| 37 | |||
| 38 | /* |
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| 39 | * Parse the whole program |
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| 40 | * params: |
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| 41 | * Parser* The parser to use |
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| 42 | * INPUT* The input file to parse |
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| 43 | * returns: |
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| 44 | * ProgramNode* The parsed program |
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| 45 | */ |
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| 46 | ProgramNode *(*parse) (Parser *); |
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| 47 | |||
| 48 | /* |
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| 49 | * Return the current source line we're parsing |
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| 50 | * params: |
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| 51 | * Parser* The parser to use |
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| 52 | * returns: |
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| 53 | * int the line returned |
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| 54 | */ |
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| 55 | int (*get_line) (Parser *); |
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| 56 | |||
| 57 | /* |
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| 58 | * Return the label of the source line we're parsing |
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| 59 | * params: |
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| 60 | * Parser* The parser to use |
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| 61 | * returns: |
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| 62 | * int the label returned |
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| 63 | */ |
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| 64 | int (*get_label) (Parser *); |
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| 65 | |||
| 66 | /* |
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| 67 | * Destroy this parser object |
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| 68 | * params: |
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| 69 | * Parser* the doomed parser |
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| 70 | */ |
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| 71 | void (*destroy) (Parser *); |
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| 72 | |||
| 73 | } Parser; |
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| 74 | |||
| 75 | |||
| 76 | /* |
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| 77 | * Function Declarations |
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| 78 | */ |
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| 79 | |||
| 80 | |||
| 81 | /* |
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| 82 | * Constructor |
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| 83 | * params: |
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| 84 | * ErrorHandler* the error handler to use |
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| 85 | * LanguageOptions* the language options to use |
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| 86 | * FILE* the input file |
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| 87 | * returns: |
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| 88 | * Parser* the new parser |
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| 89 | */ |
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| 90 | Parser *new_Parser (ErrorHandler *, LanguageOptions *, FILE *); |
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| 91 | |||
| 92 | |||
| 93 | #endif |