include/isa/yll.h

   1 #ifndef YLL_H
   2 #define YLL_H
   3
   4 #include <stdio.h>
   5 #include <syck.h>
   6
   7 typedef enum _yll_option {
   8     YLL_INLINE_SEQ = 1 << 0,
   9     YLL_ADD_SPACE = 1 << 1,
  10 } YllOption;
  11
  12 struct _yll_emitter;
  13
  14 typedef void (*YllNext)(struct _yll_emitter *e);
  15
  16 struct _yll_emitter_node {
  17     struct _yll_emitter_node *next;
  18     YllNext                   nextf;
  19     YllOption                 flags;
  20 };
  21
  22 struct _yll_anchor_node {
  23     struct _yll_emitter_node    en;
  24     SYMID                       anchor;
  25 };
  26
  27 struct _yll_seq_node {
  28     struct _yll_emitter_node    en;
  29     int                         first;
  30 };
  31
  32 typedef struct _yll_emitter_node YllEmitterNode;
  33 typedef struct _yll_anchor_node YllAnchorNode;
  34 typedef struct _yll_seq_node YllSeqNode;
  35
  36 struct _yll_emitter {
  37     FILE           *out;
  38     SYMID           last_anchor;
  39     YllEmitterNode *stack;
  40     int             indent;
  41     YllOption       flags;
  42     const char     *transfer;
  43 };
  44
  45 typedef struct _yll_emitter YllEmitter;
  46
  47 typedef void (*YllOutputHandler)(YllEmitter *, char *, long);
  48
  49 YllEmitter* yll_new_emitter();
  50 void yll_emitter_handler(YllEmitter *e, YllOutputHandler hdlr);
  51 void yll_free_emitter(YllEmitter *e);
  52 SYMID yll_emitter_anchor(YllEmitter *e);
  53 void yll_emitter_alias(YllEmitter *e, SYMID id);
  54 void yll_emitter_set_options(YllEmitter *e, YllOption flags);
  55 void yll_emitter_set_transfer(YllEmitter *e, const char *t);
  56 void yll_emitter_start_seq(YllEmitter *e);
  57 void yll_emitter_end_seq(YllEmitter *e);
  58 void yll_emitter_start_map(YllEmitter *e);
  59 void yll_emitter_end_map(YllEmitter *e);
  60 void yll_emitter_write_string(YllEmitter *e, const char *str);
  61 void yll_emitter_write_int(YllEmitter *e, int i);
  62 void yll_emitter_write_null(YllEmitter *e);
  63
  64 #endif