sys/src/cmd/dtracy/dat.h

   1 typedef struct Node Node;
   2 typedef struct Symbol Symbol;
   3 typedef struct SymTab SymTab;
   4 typedef struct Clause Clause;
   5 typedef struct Enab Enab;
   6 typedef struct Stat Stat;
   7 typedef struct Type Type;
   8 typedef struct Agg Agg;
   9
  10 enum {
  11         SYMHASH = 256,
  12 };
  13
  14 struct Type {
  15         enum {
  16                 TYPINVAL,
  17                 TYPINT,
  18                 TYPPTR,
  19                 TYPSTRING,
  20         } type;
  21         int size;
  22         uchar sign;
  23         Type *ref;
  24         Type *typenext;
  25 };
  26
  27 struct Symbol {
  28         enum {
  29                 SYMNONE,
  30                 SYMVAR,
  31         } type;
  32         char *name;
  33         int idx;
  34         Symbol *next;
  35         Type *typ;
  36 };
  37
  38 struct SymTab {
  39         Symbol *sym[SYMHASH];
  40 };
  41
  42 struct Node {
  43         enum {
  44                 OINVAL,
  45                 OSYM,
  46                 ONUM,
  47                 OSTR,
  48                 OBIN,
  49                 OLNOT,
  50                 OTERN,
  51                 ORECORD,
  52                 OCAST,
  53         } type;
  54         enum {
  55                 OPINVAL,
  56                 OPADD,
  57                 OPSUB,
  58                 OPMUL,
  59                 OPDIV,
  60                 OPMOD,
  61                 OPAND,
  62                 OPOR,
  63                 OPXOR,
  64                 OPLSH,
  65                 OPRSH,
  66                 OPEQ,
  67                 OPNE,
  68                 OPLT,
  69                 OPLE,
  70                 OPLAND,
  71                 OPLOR,
  72                 OPXNOR,
  73         } op;
  74         Node *n1, *n2, *n3;
  75         Symbol *sym;
  76         char *str;
  77         s64int num;
  78
  79         /* used by elidecasts() */
  80         char databits;
  81         enum {UPZX, UPSX} upper;
  82
  83         int recsize;
  84
  85         Type *typ;
  86 };
  87
  88 struct Stat {
  89         enum {
  90                 STATEXPR,
  91                 STATPRINT,
  92                 STATPRINTF,
  93                 STATAGG,
  94         } type;
  95         /* STATEXPR */
  96         Node *n;
  97         /* STATPRINT, STATPRINTF */
  98         int narg;
  99         Node **arg;
 100         /* STATAGG */
 101         struct {
 102                 Symbol *name;
 103                 int type;
 104                 Node *key, *value;
 105         } agg;
 106 };
 107
 108 struct Clause {
 109         int id;
 110         Stat *stats;
 111         int nstats;
 112         char **probs;
 113         int nprob;
 114         DTExpr *pred;
 115 };
 116
 117 struct Enab {
 118         int epid;
 119         int reclen;
 120         char *probe;
 121         Clause *cl;
 122         Enab *next;
 123 };
 124
 125 struct Agg {
 126         DTAgg;
 127         char *name;
 128 };
 129
 130 extern int errors;
 131
 132 #pragma varargck        type    "α"    int
 133 #pragma varargck        type    "t"     int
 134 #pragma varargck        type    "τ"    Type *
 135 #pragma varargck        type    "ε"    Node *
 136 #pragma varargck        argpos error 1
 137
 138 extern int dflag;
 139 extern DTAgg noagg;
 140 extern int aggid;
 141 extern Agg *aggs;