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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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7
include/msph/common.h
View file

@ -4,6 +4,7 @@
#include "msph/err.h"
#define MSPH_IDENT_LEN 128
#define MSPH_NAME_LEN 1024
struct msph_ctx {
int err;
@ -15,4 +16,10 @@ struct msph_ctx {
int errline;
#endif
};
struct msph_text_pos {
unsigned int line;
unsigned int col;
};
#endif

6
include/msph/err.h
View file

@ -1,16 +1,12 @@
#ifndef _MSPH_ERR_H
#define _MSPH_ERR_H
#ifdef SPHO_DEBUG
// #define SPHO_ENABLE_DEBUG_PRINT
#endif
#include "spho/err.h"
#define MSPH_ERR_SYS 0x0001
#define MSPH_ERR_INVAL 0x0002
#define MSPH_ERR_TOOLONG 0x0003
#define MSPH_ERR_TOKEN_TOOLONG 0x1001
#define MSPH_ERR_TOKEN_EOF 0x1002

14
include/msph/token.h
View file

@ -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 */

22
include/msph/tree.h
View file

@ -55,7 +55,8 @@
* Trait ({ ... }, creates scoping)
*/
#define MSPH_TREE_ROOT 0x0001
#define MSPH_TREE_ROOT 0x0000
#define MSPH_TREE_UNIT 0x0001
#define MSPH_TREE_BODY 0x0010
@ -83,11 +84,12 @@
struct msph_tree {
struct msph_tree *parent;
int type;
struct msph_tree *parent;
};
struct msph_tree_root;
struct msph_tree_text;
struct msph_tree_body;
struct msph_tree_dir;
struct msph_tree_tpdef;
@ -100,7 +102,21 @@ struct msph_tree_root {
struct msph_tree tr;
struct msph_ctx *ctx;
STAILQ_HEAD(msph_tree_unit_l, msph_tree_unit) head;
};
struct msph_tree_unit {
struct msph_tree tr;
char name[MSPH_NAME_LEN];
struct msph_tree_body *body;
STAILQ_ENTRY(msph_tree_unit) entries;
};
struct msph_tree_text {
struct msph_tree tr;
struct msph_text_pos pos;
};
struct msph_tree_body {
@ -236,4 +252,6 @@ struct msph_tree_root *msph_tree_makeroot(struct msph_ctx *);
int msph_tree_parse(struct msph_token_stream *, struct msph_tree_root *);
ssize_t msph_tree_fprint(FILE *, struct msph_tree *);
#endif

1
include/spho/err.h
View file

@ -100,7 +100,6 @@
#define SPHO_PRECOND(cond)
#define SPHO_ASSERT(cond)
#define SPHO_POSTCOND(cond)
#define SPHO_DEBUG_PRINT(fmt, ...)
#endif /* SPHO_DEBUG */