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         int line;
  79
  80         /* used by elidecasts() */
  81         char databits;
  82         enum {UPZX, UPSX} upper;
  83
  84         int recsize;
  85
  86         Type *typ;
  87 };
  88
  89 struct Stat {
  90         enum {
  91                 STATEXPR,
  92                 STATPRINT,
  93                 STATPRINTF,
  94                 STATAGG,
  95         } type;
  96         /* STATEXPR */
  97         Node *n;
  98         /* STATPRINT, STATPRINTF */
  99         int narg;
 100         Node **arg;
 101         /* STATAGG */
 102         struct {
 103                 Symbol *name;
 104                 int type;
 105                 Node *key, *value;
 106         } agg;
 107 };
 108
 109 struct Clause {
 110         int id;
 111         Stat *stats;
 112         int nstats;
 113         char **probs;
 114         int nprob;
 115         DTExpr *pred;
 116 };
 117
 118 struct Enab {
 119         int epid;
 120         int reclen;
 121         char *probe;
 122         Clause *cl;
 123         Enab *next;
 124 };
 125
 126 struct Agg {
 127         DTAgg;
 128         char *name;
 129 };
 130
 131 extern int errors;
 132
 133 #pragma varargck        type    "α"    int
 134 #pragma varargck        type    "t"     int
 135 #pragma varargck        type    "τ"    Type *
 136 #pragma varargck        type    "ε"    Node *
 137 #pragma varargck        argpos error 1
 138
 139 extern int dflag;
 140 extern DTAgg noagg;
 141 extern int aggid;
 142 extern Agg *aggs;