diff options
| -rw-r--r-- | include/treebnf/treebnf.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/include/treebnf/treebnf.h b/include/treebnf/treebnf.h index c10f115..1a8db27 100644 --- a/include/treebnf/treebnf.h +++ b/include/treebnf/treebnf.h @@ -24,6 +24,11 @@ extern "C" { #define TBNF_USAGE 0x01 #define TBNF_ERROR 0x02 +/* token scanner state ops */ +#define TBNF_STATE_POP (-1) +#define TBNF_STATE_KEEP ( 0) +#define TBNF_STATE_PUSH (+1) + /* driver flags */ #define TBNF_DRIVER_XFLAG(x) ((uint64_t)(x) << 32) @@ -51,6 +56,39 @@ enum tbnf_custom_error { TBNF_ERR_IMAGE_SIZE_ZERO, }; +/* token api structures */ +struct tbnf_token; +struct tbnf_scan_tbl; +struct tbnf_scan_ctx; + +struct tbnf_token { + int tok_type; + int tok_len; + int tok_off; + int tok_any; +}; + +struct tbnf_scan_tbl { + int (*tok_scan_fn)(const struct tbnf_scan_ctx *); + int tok_state_op; + int tok_state_next; +}; + +struct tbnf_scan_ctx { + const char * tok_scan_base; + const char * tok_scan_mark; + const char * tok_scan_cap; + int tok_scan_type; + int tok_scan_state; + int tok_scan_nents; + int tok_scan_ntbls; + struct tbnf_scan_tbl ** tok_scan_tbls; +}; + + + + + struct tbnf_raw_input { void * map_addr; size_t map_size; |