formats/ctf/metadata/ctf-ast.h

   1 #ifndef _CTF_PARSER_H
   2 #define _CTF_PARSER_H
   3
   4 #include <stdint.h>
   5 #include <stdio.h>
   6 #include <glib.h>
   7 #include <babeltrace/list.h>
   8
   9 // the parameter name (of the reentrant 'yyparse' function)
  10 // data is a pointer to a 'SParserParam' structure
  11 //#define YYPARSE_PARAM scanner
  12
  13 // the argument for the 'yylex' function
  14 #define YYLEX_PARAM     ((struct ctf_scanner *) scanner)->scanner
  15
  16 struct ctf_node;
  17 struct ctf_parser;
  18
  19 enum node_type {
  20         NODE_UNKNOWN = 0,
  21         NODE_ROOT,
  22
  23         NODE_EVENT,
  24         NODE_STREAM,
  25         NODE_TRACE,
  26
  27         NODE_CTF_EXPRESSION,
  28         NODE_UNARY_EXPRESSION,
  29
  30         NODE_TYPEDEF,
  31         NODE_TYPEALIAS_TARGET,
  32         NODE_TYPEALIAS_ALIAS,
  33         NODE_TYPEALIAS,
  34
  35         NODE_TYPE_SPECIFIER,
  36         NODE_POINTER,
  37         NODE_TYPE_DECLARATOR,
  38
  39         NODE_FLOATING_POINT,
  40         NODE_INTEGER,
  41         NODE_STRING,
  42         NODE_ENUMERATOR,
  43         NODE_ENUM,
  44         NODE_STRUCT_OR_VARIANT_DECLARATION,
  45         NODE_VARIANT,
  46         NODE_STRUCT,
  47
  48         NR_NODE_TYPES,
  49 };
  50
  51 struct ctf_node {
  52         /*
  53          * Parent node is only set on demand by specific visitor.
  54          */
  55         struct ctf_node *parent;
  56         struct cds_list_head siblings;
  57         struct cds_list_head tmp_head;
  58         struct cds_list_head gc;
  59
  60         enum node_type type;
  61         union {
  62                 struct {
  63                 } unknown;
  64                 struct {
  65                         struct cds_list_head _typedef;
  66                         struct cds_list_head typealias;
  67                         struct cds_list_head declaration_specifier;
  68                         struct cds_list_head trace;
  69                         struct cds_list_head stream;
  70                         struct cds_list_head event;
  71                 } root;
  72                 struct {
  73                         /*
  74                          * Children nodes are ctf_expression, typedef,
  75                          * typealias and declaration specifiers.
  76                          */
  77                         struct cds_list_head declaration_list;
  78                 } event;
  79                 struct {
  80                         /*
  81                          * Children nodes are ctf_expression, typedef,
  82                          * typealias and declaration specifiers.
  83                          */
  84                         struct cds_list_head declaration_list;
  85                 } stream;
  86                 struct {
  87                         /*
  88                          * Children nodes are ctf_expression, typedef,
  89                          * typealias and declaration specifiers.
  90                          */
  91                         struct cds_list_head declaration_list;
  92                 } trace;
  93                 struct {
  94                         struct cds_list_head left;      /* Should be string */
  95                         struct cds_list_head right;     /* Unary exp. or type */
  96                 } ctf_expression;
  97                 struct {
  98                         enum {
  99                                 UNARY_UNKNOWN = 0,
 100                                 UNARY_STRING,
 101                                 UNARY_SIGNED_CONSTANT,
 102                                 UNARY_UNSIGNED_CONSTANT,
 103                                 UNARY_SBRAC,
 104                                 UNARY_NESTED,
 105                         } type;
 106                         union {
 107                                 /*
 108                                  * string for identifier, id_type, keywords,
 109                                  * string literals and character constants.
 110                                  */
 111                                 char *string;
 112                                 int64_t signed_constant;
 113                                 uint64_t unsigned_constant;
 114                                 struct ctf_node *sbrac_exp;
 115                                 struct ctf_node *nested_exp;
 116                         } u;
 117                         enum {
 118                                 UNARY_LINK_UNKNOWN = 0,
 119                                 UNARY_DOTLINK,
 120                                 UNARY_ARROWLINK,
 121                                 UNARY_DOTDOTDOT,
 122                         } link;
 123                 } unary_expression;
 124                 struct {
 125                         struct cds_list_head declaration_specifier;
 126                         struct cds_list_head type_declarators;
 127                 } _typedef;
 128                 /* new type is "alias", existing type "target" */
 129                 struct {
 130                         struct cds_list_head declaration_specifier;
 131                         struct cds_list_head type_declarators;
 132                 } typealias_target;
 133                 struct {
 134                         struct cds_list_head declaration_specifier;
 135                         struct cds_list_head type_declarators;
 136                 } typealias_alias;
 137                 struct {
 138                         struct ctf_node *target;
 139                         struct ctf_node *alias;
 140                 } typealias;
 141                 struct {
 142                         enum {
 143                                 TYPESPEC_UNKNOWN = 0,
 144                                 TYPESPEC_VOID,
 145                                 TYPESPEC_CHAR,
 146                                 TYPESPEC_SHORT,
 147                                 TYPESPEC_INT,
 148                                 TYPESPEC_LONG,
 149                                 TYPESPEC_FLOAT,
 150                                 TYPESPEC_DOUBLE,
 151                                 TYPESPEC_SIGNED,
 152                                 TYPESPEC_UNSIGNED,
 153                                 TYPESPEC_BOOL,
 154                                 TYPESPEC_COMPLEX,
 155                                 TYPESPEC_IMAGINARY,
 156                                 TYPESPEC_CONST,
 157                                 TYPESPEC_ID_TYPE,
 158                         } type;
 159                         const char *id_type;
 160                 } type_specifier;
 161                 struct {
 162                         unsigned int const_qualifier;
 163                 } pointer;
 164                 struct {
 165                         struct cds_list_head pointers;
 166                         enum {
 167                                 TYPEDEC_UNKNOWN = 0,
 168                                 TYPEDEC_ID,     /* identifier */
 169                                 TYPEDEC_NESTED, /* (), array or sequence */
 170                         } type;
 171                         union {
 172                                 char *id;
 173                                 struct {
 174                                         /* typedec has no pointer list */
 175                                         struct ctf_node *type_declarator;
 176                                         /* value or first node of declaration specifier list */
 177                                         struct ctf_node *length;
 178                                         /* for abstract type declarator */
 179                                         unsigned int abstract_array;
 180                                 } nested;
 181                         } u;
 182                         struct ctf_node *bitfield_len;
 183                 } type_declarator;
 184                 struct {
 185                         /* Children nodes are ctf_expression. */
 186                         struct cds_list_head expressions;
 187                 } floating_point;
 188                 struct {
 189                         /* Children nodes are ctf_expression. */
 190                         struct cds_list_head expressions;
 191                 } integer;
 192                 struct {
 193                         /* Children nodes are ctf_expression. */
 194                         struct cds_list_head expressions;
 195                 } string;
 196                 struct {
 197                         char *id;
 198                         /*
 199                          * Range list or single value node. Contains unary
 200                          * expressions.
 201                          */
 202                         struct cds_list_head values;
 203                 } enumerator;
 204                 struct {
 205                         char *enum_id;
 206                         /* NULL, value or declaration specifier */
 207                         struct ctf_node *container_type;
 208                         struct cds_list_head enumerator_list;
 209                         int has_body;
 210                 } _enum;
 211                 struct {
 212                         struct cds_list_head declaration_specifier;
 213                         struct cds_list_head type_declarators;
 214                 } struct_or_variant_declaration;
 215                 struct {
 216                         char *name;
 217                         char *choice;
 218                         /* list of typedef, typealias and declarations */
 219                         struct cds_list_head declaration_list;
 220                         int has_body;
 221                 } variant;
 222                 struct {
 223                         char *name;
 224                         /* list of typedef, typealias and declarations */
 225                         struct cds_list_head declaration_list;
 226                         int has_body;
 227                 } _struct;
 228         } u;
 229 };
 230
 231 struct ctf_ast {
 232         struct ctf_node root;
 233         struct cds_list_head allocated_nodes;
 234 };
 235
 236 const char *node_type(struct ctf_node *node);
 237
 238 int ctf_visitor_print_xml(FILE *fd, int depth, struct ctf_node *node);
 239 int ctf_visitor_semantic_check(FILE *fd, int depth, struct ctf_node *node);
 240 int ctf_visitor_parent_links(FILE *fd, int depth, struct ctf_node *node);
 241
 242 #endif /* _CTF_PARSER_H */