parse.c

sqlite最新源码

 /* 134 */ "dbnm ::=",
 /* 135 */ "dbnm ::= DOT nm",
 /* 136 */ "fullname ::= nm dbnm",
 /* 137 */ "joinop ::= COMMA|JOIN",
 /* 138 */ "joinop ::= JOIN_KW JOIN",
 /* 139 */ "joinop ::= JOIN_KW nm JOIN",
 /* 140 */ "joinop ::= JOIN_KW nm nm JOIN",
 /* 141 */ "on_opt ::= ON expr",
 /* 142 */ "on_opt ::=",
 /* 143 */ "indexed_opt ::=",
 /* 144 */ "indexed_opt ::= INDEXED BY nm",
 /* 145 */ "indexed_opt ::= NOT INDEXED",
 /* 146 */ "using_opt ::= USING LP inscollist RP",
 /* 147 */ "using_opt ::=",
 /* 148 */ "orderby_opt ::=",
 /* 149 */ "orderby_opt ::= ORDER BY sortlist",
 /* 150 */ "sortlist ::= sortlist COMMA sortitem sortorder",
 /* 151 */ "sortlist ::= sortitem sortorder",
 /* 152 */ "sortitem ::= expr",
 /* 153 */ "sortorder ::= ASC",
 /* 154 */ "sortorder ::= DESC",
 /* 155 */ "sortorder ::=",
 /* 156 */ "groupby_opt ::=",
 /* 157 */ "groupby_opt ::= GROUP BY nexprlist",
 /* 158 */ "having_opt ::=",
 /* 159 */ "having_opt ::= HAVING expr",
 /* 160 */ "limit_opt ::=",
 /* 161 */ "limit_opt ::= LIMIT expr",
 /* 162 */ "limit_opt ::= LIMIT expr OFFSET expr",
 /* 163 */ "limit_opt ::= LIMIT expr COMMA expr",
 /* 164 */ "cmd ::= DELETE FROM fullname indexed_opt where_opt",
 /* 165 */ "where_opt ::=",
 /* 166 */ "where_opt ::= WHERE expr",
 /* 167 */ "cmd ::= UPDATE orconf fullname indexed_opt SET setlist where_opt",
 /* 168 */ "setlist ::= setlist COMMA nm EQ expr",
 /* 169 */ "setlist ::= nm EQ expr",
 /* 170 */ "cmd ::= insert_cmd INTO fullname inscollist_opt VALUES LP itemlist RP",
 /* 171 */ "cmd ::= insert_cmd INTO fullname inscollist_opt select",
 /* 172 */ "cmd ::= insert_cmd INTO fullname inscollist_opt DEFAULT VALUES",
 /* 173 */ "insert_cmd ::= INSERT orconf",
 /* 174 */ "insert_cmd ::= REPLACE",
 /* 175 */ "itemlist ::= itemlist COMMA expr",
 /* 176 */ "itemlist ::= expr",
 /* 177 */ "inscollist_opt ::=",
 /* 178 */ "inscollist_opt ::= LP inscollist RP",
 /* 179 */ "inscollist ::= inscollist COMMA nm",
 /* 180 */ "inscollist ::= nm",
 /* 181 */ "expr ::= term",
 /* 182 */ "expr ::= LP expr RP",
 /* 183 */ "term ::= NULL",
 /* 184 */ "expr ::= ID",
 /* 185 */ "expr ::= JOIN_KW",
 /* 186 */ "expr ::= nm DOT nm",
 /* 187 */ "expr ::= nm DOT nm DOT nm",
 /* 188 */ "term ::= INTEGER|FLOAT|BLOB",
 /* 189 */ "term ::= STRING",
 /* 190 */ "expr ::= REGISTER",
 /* 191 */ "expr ::= VARIABLE",
 /* 192 */ "expr ::= expr COLLATE ids",
 /* 193 */ "expr ::= CAST LP expr AS typetoken RP",
 /* 194 */ "expr ::= ID LP distinct exprlist RP",
 /* 195 */ "expr ::= ID LP STAR RP",
 /* 196 */ "term ::= CTIME_KW",
 /* 197 */ "expr ::= expr AND expr",
 /* 198 */ "expr ::= expr OR expr",
 /* 199 */ "expr ::= expr LT|GT|GE|LE expr",
 /* 200 */ "expr ::= expr EQ|NE expr",
 /* 201 */ "expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr",
 /* 202 */ "expr ::= expr PLUS|MINUS expr",
 /* 203 */ "expr ::= expr STAR|SLASH|REM expr",
 /* 204 */ "expr ::= expr CONCAT expr",
 /* 205 */ "likeop ::= LIKE_KW",
 /* 206 */ "likeop ::= NOT LIKE_KW",
 /* 207 */ "likeop ::= MATCH",
 /* 208 */ "likeop ::= NOT MATCH",
 /* 209 */ "escape ::= ESCAPE expr",
 /* 210 */ "escape ::=",
 /* 211 */ "expr ::= expr likeop expr escape",
 /* 212 */ "expr ::= expr ISNULL|NOTNULL",
 /* 213 */ "expr ::= expr IS NULL",
 /* 214 */ "expr ::= expr NOT NULL",
 /* 215 */ "expr ::= expr IS NOT NULL",
 /* 216 */ "expr ::= NOT expr",
 /* 217 */ "expr ::= BITNOT expr",
 /* 218 */ "expr ::= MINUS expr",
 /* 219 */ "expr ::= PLUS expr",
 /* 220 */ "between_op ::= BETWEEN",
 /* 221 */ "between_op ::= NOT BETWEEN",
 /* 222 */ "expr ::= expr between_op expr AND expr",
 /* 223 */ "in_op ::= IN",
 /* 224 */ "in_op ::= NOT IN",
 /* 225 */ "expr ::= expr in_op LP exprlist RP",
 /* 226 */ "expr ::= LP select RP",
 /* 227 */ "expr ::= expr in_op LP select RP",
 /* 228 */ "expr ::= expr in_op nm dbnm",
 /* 229 */ "expr ::= EXISTS LP select RP",
 /* 230 */ "expr ::= CASE case_operand case_exprlist case_else END",
 /* 231 */ "case_exprlist ::= case_exprlist WHEN expr THEN expr",
 /* 232 */ "case_exprlist ::= WHEN expr THEN expr",
 /* 233 */ "case_else ::= ELSE expr",
 /* 234 */ "case_else ::=",
 /* 235 */ "case_operand ::= expr",
 /* 236 */ "case_operand ::=",
 /* 237 */ "exprlist ::= nexprlist",
 /* 238 */ "exprlist ::=",
 /* 239 */ "nexprlist ::= nexprlist COMMA expr",
 /* 240 */ "nexprlist ::= expr",
 /* 241 */ "cmd ::= CREATE uniqueflag INDEX ifnotexists nm dbnm ON nm LP idxlist RP",
 /* 242 */ "uniqueflag ::= UNIQUE",
 /* 243 */ "uniqueflag ::=",
 /* 244 */ "idxlist_opt ::=",
 /* 245 */ "idxlist_opt ::= LP idxlist RP",
 /* 246 */ "idxlist ::= idxlist COMMA nm collate sortorder",
 /* 247 */ "idxlist ::= nm collate sortorder",
 /* 248 */ "collate ::=",
 /* 249 */ "collate ::= COLLATE ids",
 /* 250 */ "cmd ::= DROP INDEX ifexists fullname",
 /* 251 */ "cmd ::= VACUUM",
 /* 252 */ "cmd ::= VACUUM nm",
 /* 253 */ "cmd ::= PRAGMA nm dbnm EQ nmnum",
 /* 254 */ "cmd ::= PRAGMA nm dbnm EQ ON",
 /* 255 */ "cmd ::= PRAGMA nm dbnm EQ DELETE",
 /* 256 */ "cmd ::= PRAGMA nm dbnm EQ minus_num",
 /* 257 */ "cmd ::= PRAGMA nm dbnm LP nmnum RP",
 /* 258 */ "cmd ::= PRAGMA nm dbnm",
 /* 259 */ "nmnum ::= plus_num",
 /* 260 */ "nmnum ::= nm",
 /* 261 */ "plus_num ::= plus_opt number",
 /* 262 */ "minus_num ::= MINUS number",
 /* 263 */ "number ::= INTEGER|FLOAT",
 /* 264 */ "plus_opt ::= PLUS",
 /* 265 */ "plus_opt ::=",
 /* 266 */ "cmd ::= CREATE trigger_decl BEGIN trigger_cmd_list END",
 /* 267 */ "trigger_decl ::= temp TRIGGER ifnotexists nm dbnm trigger_time trigger_event ON fullname foreach_clause when_clause",
 /* 268 */ "trigger_time ::= BEFORE",
 /* 269 */ "trigger_time ::= AFTER",
 /* 270 */ "trigger_time ::= INSTEAD OF",
 /* 271 */ "trigger_time ::=",
 /* 272 */ "trigger_event ::= DELETE|INSERT",
 /* 273 */ "trigger_event ::= UPDATE",
 /* 274 */ "trigger_event ::= UPDATE OF inscollist",
 /* 275 */ "foreach_clause ::=",
 /* 276 */ "foreach_clause ::= FOR EACH ROW",
 /* 277 */ "when_clause ::=",
 /* 278 */ "when_clause ::= WHEN expr",
 /* 279 */ "trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI",
 /* 280 */ "trigger_cmd_list ::= trigger_cmd SEMI",
 /* 281 */ "trigger_cmd ::= UPDATE orconf nm SET setlist where_opt",
 /* 282 */ "trigger_cmd ::= insert_cmd INTO nm inscollist_opt VALUES LP itemlist RP",
 /* 283 */ "trigger_cmd ::= insert_cmd INTO nm inscollist_opt select",
 /* 284 */ "trigger_cmd ::= DELETE FROM nm where_opt",
 /* 285 */ "trigger_cmd ::= select",
 /* 286 */ "expr ::= RAISE LP IGNORE RP",
 /* 287 */ "expr ::= RAISE LP raisetype COMMA nm RP",
 /* 288 */ "raisetype ::= ROLLBACK",
 /* 289 */ "raisetype ::= ABORT",
 /* 290 */ "raisetype ::= FAIL",
 /* 291 */ "cmd ::= DROP TRIGGER ifexists fullname",
 /* 292 */ "cmd ::= ATTACH database_kw_opt expr AS expr key_opt",
 /* 293 */ "cmd ::= DETACH database_kw_opt expr",
 /* 294 */ "key_opt ::=",
 /* 295 */ "key_opt ::= KEY expr",
 /* 296 */ "database_kw_opt ::= DATABASE",
 /* 297 */ "database_kw_opt ::=",
 /* 298 */ "cmd ::= REINDEX",
 /* 299 */ "cmd ::= REINDEX nm dbnm",
 /* 300 */ "cmd ::= ANALYZE",
 /* 301 */ "cmd ::= ANALYZE nm dbnm",
 /* 302 */ "cmd ::= ALTER TABLE fullname RENAME TO nm",
 /* 303 */ "cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt column",
 /* 304 */ "add_column_fullname ::= fullname",
 /* 305 */ "kwcolumn_opt ::=",
 /* 306 */ "kwcolumn_opt ::= COLUMNKW",
 /* 307 */ "cmd ::= create_vtab",
 /* 308 */ "cmd ::= create_vtab LP vtabarglist RP",
 /* 309 */ "create_vtab ::= CREATE VIRTUAL TABLE nm dbnm USING nm",
 /* 310 */ "vtabarglist ::= vtabarg",
 /* 311 */ "vtabarglist ::= vtabarglist COMMA vtabarg",
 /* 312 */ "vtabarg ::=",
 /* 313 */ "vtabarg ::= vtabarg vtabargtoken",
 /* 314 */ "vtabargtoken ::= ANY",
 /* 315 */ "vtabargtoken ::= lp anylist RP",
 /* 316 */ "lp ::= LP",
 /* 317 */ "anylist ::=",
 /* 318 */ "anylist ::= anylist ANY",
};
#endif /* NDEBUG */


#if YYSTACKDEPTH<=0
/*
** Try to increase the size of the parser stack.
*/
static void yyGrowStack(yyParser *p){
  int newSize;
  yyStackEntry *pNew;

  newSize = p->yystksz*2 + 100;
  pNew = realloc(p->yystack, newSize*sizeof(pNew[0]));
  if( pNew ){
    p->yystack = pNew;
    p->yystksz = newSize;
#ifndef NDEBUG
    if( yyTraceFILE ){
      fprintf(yyTraceFILE,"%sStack grows to %d entries!\n",
              yyTracePrompt, p->yystksz);
    }
#endif
  }
}
#endif

/* 
** This function allocates a new parser.
** The only argument is a pointer to a function which works like
** malloc.
**
** Inputs:
** A pointer to the function used to allocate memory.
**
** Outputs:
** A pointer to a parser.  This pointer is used in subsequent calls
** to sqlite3Parser and sqlite3ParserFree.
*/
void *sqlite3ParserAlloc(void *(*mallocProc)(size_t)){
  yyParser *pParser;
  pParser = (yyParser*)(*mallocProc)( (size_t)sizeof(yyParser) );
  if( pParser ){
    pParser->yyidx = -1;
#ifdef YYTRACKMAXSTACKDEPTH
    pParser->yyidxMax = 0;
#endif
#if YYSTACKDEPTH<=0
    pParser->yystack = NULL;
    pParser->yystksz = 0;
    yyGrowStack(pParser);
#endif
  }
  return pParser;
}

/* The following function deletes the value associated with a
** symbol.  The symbol can be either a terminal or nonterminal.
** "yymajor" is the symbol code, and "yypminor" is a pointer to
** the value.
*/
static void yy_destructor(
  yyParser *yypParser,    /* The parser */
  YYCODETYPE yymajor,     /* Type code for object to destroy */
  YYMINORTYPE *yypminor   /* The object to be destroyed */
){
  sqlite3ParserARG_FETCH;
  switch( yymajor ){
    /* Here is inserted the actions which take place when a
    ** terminal or non-terminal is destroyed.  This can happen
    ** when the symbol is popped from the stack during a
    ** reduce or during error processing or when a parser is 
    ** being destroyed before it is finished parsing.
    **
    ** Not