Much simpler, uses a switch case which is a much faster method of doing the parsing. Though roughly equivalent in terms of LOC, I feel that this is more extensible
38 lines
795 B
C
38 lines
795 B
C
/* Copyright (C) 2023 Aryadev Chavali
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* You may distribute and modify this code under the terms of the
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* GPLv2 license. You should have received a copy of the GPLv2
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* license with this file. If not, please write to:
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* aryadev@aryadevchavali.com.
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* Created: 2023-10-24
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* Author: Aryadev Chavali
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* Description: Parser for assembly language
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*/
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#ifndef PARSER_H
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#define PARSER_H
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#include "./lexer.h"
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#include <lib/inst.h>
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typedef enum
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{
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PERR_OK = 0,
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PERR_INTEGER_OVERFLOW,
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PERR_NOT_A_NUMBER,
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PERR_EXPECTED_UTYPE,
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PERR_EXPECTED_TYPE,
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PERR_EXPECTED_SYMBOL,
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PERR_EXPECTED_OPERAND,
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PERR_UNKNOWN_OPERATOR,
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} perr_t;
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const char *perr_as_cstr(perr_t);
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perr_t parse_next_inst(token_stream_t *, inst_t *);
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perr_t parse_stream(token_stream_t *, inst_t **, size_t *);
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#endif
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