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janet/src/include/dst/dstparse.h
bakpakin 4f74d57359 Refactor stl to corelib and stl. Corelib is part of vm, stl
is part of dst language. Add bootstrapping code directly into stl.
Stl is now logically grouped with compiler.
2018-01-29 23:38:49 -05:00

74 lines
2.2 KiB
C

/*
* Copyright (c) 2017 Calvin Rose
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#ifndef DST_PARSE_H_defined
#define DST_PARSE_H_defined
#ifdef __cplusplus
extern "C" {
#endif
#include "dsttypes.h"
typedef struct DstParseState DstParseState;
typedef struct DstParser DstParser;
/* Number scanning */
Dst dst_scan_number(const uint8_t *src, int32_t len);
int32_t dst_scan_integer(const uint8_t *str, int32_t len, int *err);
double dst_scan_real(const uint8_t *str, int32_t len, int *err);
enum DstParserStatus {
DST_PARSE_ROOT,
DST_PARSE_ERROR,
DST_PARSE_FULL,
DST_PARSE_PENDING
};
struct DstParser {
Dst* argstack;
DstParseState *states;
uint8_t *buf;
const char *error;
size_t index;
int lookback;
int flags;
};
/* Parsing */
#define DST_PARSEFLAG_SOURCEMAP 1
void dst_parser_init(DstParser *parser, int flags);
void dst_parser_deinit(DstParser *parser);
int dst_parser_consume(DstParser *parser, uint8_t c);
enum DstParserStatus dst_parser_status(DstParser *parser);
Dst dst_parser_produce(DstParser *parser);
const char *dst_parser_error(DstParser *parser);
int dst_parse_cfun(DstArgs args);
int dst_lib_parse(DstArgs args);
#ifdef __cplusplus
}
#endif
#endif /* DST_PARSE_H_defined */