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parsing prefix version (binary operators) of msph

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This commit is contained in:
Ellen Arvidsson 2025-04-22 21:08:03 +03:00
parent 7e5f080282
commit 17be15d7b5
12 changed files with 617 additions and 92 deletions
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14
include/msph/token.h
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@ -69,15 +69,18 @@ enum msph_tok_type {
TOK_IDENT, // identifiers
TOK_INVAL, // special: invalid, use to mark invalid toks
TOK_WSPACE, // special: whitespace
TOK_END // special: denote end of array
TOK_END // special: end of array/token stream
};
#define MSPH_TAB_WIDTH 8
union msph_token_data {
char str[MSPH_IDENT_LEN];
};
struct msph_token {
int type;
struct msph_text_pos pos;
union msph_token_data data;
SLIST_ENTRY(msph_token) entries;
@ -110,21 +113,23 @@ union msph_token_src_data {
struct msph_token_src {
int type;
struct msph_text_pos pos;
union msph_token_src_data inner;
};
struct msph_token_stream {
struct msph_ctx *ctx;
char name[MSPH_NAME_LEN];
struct msph_token_src src;
};
void msph_ctx_init(struct msph_ctx *);
struct msph_token_stream *msph_token_stream_file(struct msph_ctx *,
FILE *);
const char *, FILE *);
struct msph_token_stream *msph_token_stream_frombuf(struct msph_ctx *,
const char *, size_t);
const char *, const char *, size_t);
int msph_token_stream_close(struct msph_token_stream*);
@ -135,8 +140,7 @@ int msph_token_stream_print(struct msph_token_stream *, FILE *);
ssize_t msph_token_str(char *, size_t, struct msph_token *);
struct msph_token * msph_token_create(struct msph_ctx *, int,
union msph_token_data *);
struct msph_token * msph_token_copy(struct msph_ctx *, struct msph_token *);
#endif /* _MSPH_EXPR_H */