Aryadev Chavali
a79f60a203
Generic definition of tagged pointers, along with simple constructor/destructors should be in lisp.h for use by other headers. sys.h on the other hand contains all the general system methods.
49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
/* reader.h: Stream reader
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* Created: 2026-02-04
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* Author: Aryadev Chavali
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* License: See end of file
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* Commentary:
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*/
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#ifndef READER_H
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#define READER_H
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#include <alisp/stream.h>
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#include <alisp/sys.h>
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typedef enum
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{
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READ_ERR_OK = 0,
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READ_ERR_EOF,
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READ_ERR_EXPECTED_CLOSED_BRACE,
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READ_ERR_EXPECTED_CLOSED_SQUARE_BRACKET,
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READ_ERR_UNEXPECTED_CLOSED_BRACE,
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READ_ERR_UNEXPECTED_CLOSED_SQUARE_BRACKET,
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READ_ERR_UNKNOWN_CHAR,
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} read_err_t;
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const char *read_err_to_cstr(read_err_t);
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// Attempt to read an expression from the stream, storing it in a pointer,
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// returning any errors if failed.
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read_err_t read(sys_t *, stream_t *, lisp_t **);
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// Attempt to read all expressions from a stream till end of content, storing
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// them in the given vector. Return any error at any point during the read.
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read_err_t read_all(sys_t *, stream_t *, vec_t *);
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#endif
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/* Copyright (C) 2026 Aryadev Chavali
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License Version 2 for
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* details.
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* You may distribute and modify this code under the terms of the GNU General
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* Public License Version 2, which you should have received a copy of along with
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* this program. If not, please go to <https://www.gnu.org/licenses/>.
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*/
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