diff options
Diffstat (limited to 'grammar/utils.h')
| -rw-r--r-- | grammar/utils.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/grammar/utils.h b/grammar/utils.h index f52bc1e0..9dfac5b1 100644 --- a/grammar/utils.h +++ b/grammar/utils.h @@ -61,6 +61,34 @@ struct cnfactlst { /* the following structures support expressions, and may (very much later * be the sole foundation for the AST. */ +enum cnfFiltType { CNFFILT_NONE, CNFFILT_PRI, CNFFILT_PROP, CNFFILT_SCRIPT }; +static inline char* +cnfFiltType2str(enum cnfFiltType filttype) +{ + switch(filttype) { + case CNFFILT_NONE: + return("filter:none"); + case CNFFILT_PRI: + return("filter:pri"); + case CNFFILT_PROP: + return("filter:prop"); + case CNFFILT_SCRIPT: + return("filter:script"); + } + return("error:invalid_filter_type"); /* should never be reached */ +} + + +struct cnfrule { + unsigned nodetype; + enum cnfFiltType filttype; + union { + char *s; + struct cnfexpr *expr; + } filt; + struct cnfactlst *actlst; +}; + struct cnfexpr { unsigned nodetype; struct cnfexpr *l; @@ -110,6 +138,8 @@ void cnfexprPrint(struct cnfexpr *expr, int indent); void cnfexprEval(struct cnfexpr *expr, struct exprret *ret); struct cnfnumval* cnfnumvalNew(long long val); struct cnfstringval* cnfstringvalNew(es_str_t *estr); +struct cnfrule * cnfruleNew(enum cnfFiltType filttype, struct cnfactlst *actlst); +void cnfrulePrint(struct cnfrule *rule); /* debug helper */ void cstrPrint(char *text, es_str_t *estr); |