persistentstorage/sql/SQLite/complete.c
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 11 Jun 2010 15:29:22 +0300
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permissions -rw-r--r--
Revision: 201023 Kit: 2010123
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/*
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** 2001 September 15
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**
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** The author disclaims copyright to this source code.  In place of
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** a legal notice, here is a blessing:
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**
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**    May you do good and not evil.
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**    May you find forgiveness for yourself and forgive others.
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**    May you share freely, never taking more than you give.
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**
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*************************************************************************
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** An tokenizer for SQL
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**
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** This file contains C code that implements the sqlite3_complete() API.
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** This code used to be part of the tokenizer.c source file.  But by
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** separating it out, the code will be automatically omitted from
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** static links that do not use it.
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**
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** $Id: complete.c,v 1.7 2008/06/13 18:24:27 drh Exp $
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*/
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#include "sqliteInt.h"
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#ifndef SQLITE_OMIT_COMPLETE
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/*
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** This is defined in tokenize.c.  We just have to import the definition.
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*/
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#ifndef SQLITE_AMALGAMATION
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#ifdef SQLITE_ASCII
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extern const char sqlite3IsAsciiIdChar[];
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#define IdChar(C)  (((c=C)&0x80)!=0 || (c>0x1f && sqlite3IsAsciiIdChar[c-0x20]))
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#endif
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#ifdef SQLITE_EBCDIC
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extern const char sqlite3IsEbcdicIdChar[];
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#define IdChar(C)  (((c=C)>=0x42 && sqlite3IsEbcdicIdChar[c-0x40]))
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#endif
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#endif /* SQLITE_AMALGAMATION */
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/*
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** Token types used by the sqlite3_complete() routine.  See the header
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** comments on that procedure for additional information.
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*/
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#define tkSEMI    0
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#define tkWS      1
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#define tkOTHER   2
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#define tkEXPLAIN 3
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#define tkCREATE  4
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#define tkTEMP    5
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#define tkTRIGGER 6
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#define tkEND     7
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/*
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** Return TRUE if the given SQL string ends in a semicolon.
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**
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** Special handling is require for CREATE TRIGGER statements.
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** Whenever the CREATE TRIGGER keywords are seen, the statement
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** must end with ";END;".
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**
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** This implementation uses a state machine with 7 states:
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**
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**   (0) START     At the beginning or end of an SQL statement.  This routine
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**                 returns 1 if it ends in the START state and 0 if it ends
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**                 in any other state.
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**
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**   (1) NORMAL    We are in the middle of statement which ends with a single
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**                 semicolon.
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**
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**   (2) EXPLAIN   The keyword EXPLAIN has been seen at the beginning of 
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**                 a statement.
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**
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**   (3) CREATE    The keyword CREATE has been seen at the beginning of a
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**                 statement, possibly preceeded by EXPLAIN and/or followed by
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**                 TEMP or TEMPORARY
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**
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**   (4) TRIGGER   We are in the middle of a trigger definition that must be
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**                 ended by a semicolon, the keyword END, and another semicolon.
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**
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**   (5) SEMI      We've seen the first semicolon in the ";END;" that occurs at
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**                 the end of a trigger definition.
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**
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**   (6) END       We've seen the ";END" of the ";END;" that occurs at the end
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**                 of a trigger difinition.
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**
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** Transitions between states above are determined by tokens extracted
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** from the input.  The following tokens are significant:
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**
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**   (0) tkSEMI      A semicolon.
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**   (1) tkWS        Whitespace
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**   (2) tkOTHER     Any other SQL token.
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**   (3) tkEXPLAIN   The "explain" keyword.
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**   (4) tkCREATE    The "create" keyword.
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**   (5) tkTEMP      The "temp" or "temporary" keyword.
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**   (6) tkTRIGGER   The "trigger" keyword.
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**   (7) tkEND       The "end" keyword.
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**
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** Whitespace never causes a state transition and is always ignored.
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**
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** If we compile with SQLITE_OMIT_TRIGGER, all of the computation needed
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** to recognize the end of a trigger can be omitted.  All we have to do
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** is look for a semicolon that is not part of an string or comment.
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*/
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int sqlite3_complete(const char *zSql){
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  u8 state = 0;   /* Current state, using numbers defined in header comment */
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  u8 token;       /* Value of the next token */
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#ifndef SQLITE_OMIT_TRIGGER
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  /* A complex statement machine used to detect the end of a CREATE TRIGGER
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  ** statement.  This is the normal case.
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  */
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parents:
diff changeset
   110
  static const u8 trans[7][8] = {
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   111
                     /* Token:                                                */
08ec8eefde2f Revision: 201003
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parents:
diff changeset
   112
     /* State:       **  SEMI  WS  OTHER EXPLAIN  CREATE  TEMP  TRIGGER  END  */
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   113
     /* 0   START: */ {    0,  0,     1,      2,      3,    1,       1,   1,  },
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   114
     /* 1  NORMAL: */ {    0,  1,     1,      1,      1,    1,       1,   1,  },
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   115
     /* 2 EXPLAIN: */ {    0,  2,     1,      1,      3,    1,       1,   1,  },
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   116
     /* 3  CREATE: */ {    0,  3,     1,      1,      1,    3,       4,   1,  },
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   117
     /* 4 TRIGGER: */ {    5,  4,     4,      4,      4,    4,       4,   4,  },
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   118
     /* 5    SEMI: */ {    5,  5,     4,      4,      4,    4,       4,   6,  },
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   119
     /* 6     END: */ {    0,  6,     4,      4,      4,    4,       4,   4,  },
08ec8eefde2f Revision: 201003
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parents:
diff changeset
   120
  };
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   121
#else
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   122
  /* If triggers are not suppored by this compile then the statement machine
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   123
  ** used to detect the end of a statement is much simplier
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   124
  */
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   125
  static const u8 trans[2][3] = {
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   126
                     /* Token:           */
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   127
     /* State:       **  SEMI  WS  OTHER */
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   128
     /* 0   START: */ {    0,  0,     1, },
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   129
     /* 1  NORMAL: */ {    0,  1,     1, },
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   130
  };
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   131
#endif /* SQLITE_OMIT_TRIGGER */
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   132
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   133
  while( *zSql ){
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   134
    switch( *zSql ){
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   135
      case ';': {  /* A semicolon */
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   136
        token = tkSEMI;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   137
        break;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   138
      }
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   139
      case ' ':
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   140
      case '\r':
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   141
      case '\t':
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   142
      case '\n':
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   143
      case '\f': {  /* White space is ignored */
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   144
        token = tkWS;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   145
        break;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   146
      }
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   147
      case '/': {   /* C-style comments */
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   148
        if( zSql[1]!='*' ){
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   149
          token = tkOTHER;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   150
          break;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   151
        }
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   152
        zSql += 2;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   153
        while( zSql[0] && (zSql[0]!='*' || zSql[1]!='/') ){ zSql++; }
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   154
        if( zSql[0]==0 ) return 0;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   155
        zSql++;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   156
        token = tkWS;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   157
        break;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   158
      }
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   159
      case '-': {   /* SQL-style comments from "--" to end of line */
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   160
        if( zSql[1]!='-' ){
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   161
          token = tkOTHER;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   162
          break;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   163
        }
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   164
        while( *zSql && *zSql!='\n' ){ zSql++; }
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   165
        if( *zSql==0 ) return state==0;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   166
        token = tkWS;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   167
        break;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   168
      }
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   169
      case '[': {   /* Microsoft-style identifiers in [...] */
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   170
        zSql++;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   171
        while( *zSql && *zSql!=']' ){ zSql++; }
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   172
        if( *zSql==0 ) return 0;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   173
        token = tkOTHER;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   174
        break;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   175
      }
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   176
      case '`':     /* Grave-accent quoted symbols used by MySQL */
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   177
      case '"':     /* single- and double-quoted strings */
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   178
      case '\'': {
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   179
        int c = *zSql;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   180
        zSql++;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   181
        while( *zSql && *zSql!=c ){ zSql++; }
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   182
        if( *zSql==0 ) return 0;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   183
        token = tkOTHER;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   184
        break;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   185
      }
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   186
      default: {
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   187
        int c;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   188
        if( IdChar((u8)*zSql) ){
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   189
          /* Keywords and unquoted identifiers */
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   190
          int nId;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   191
          for(nId=1; IdChar(zSql[nId]); nId++){}
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   192
#ifdef SQLITE_OMIT_TRIGGER
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   193
          token = tkOTHER;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   194
#else
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   195
          switch( *zSql ){
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   196
            case 'c': case 'C': {
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   197
              if( nId==6 && sqlite3StrNICmp(zSql, "create", 6)==0 ){
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   198
                token = tkCREATE;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   199
              }else{
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   200
                token = tkOTHER;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   201
              }
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   202
              break;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   203
            }
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   204
            case 't': case 'T': {
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   205
              if( nId==7 && sqlite3StrNICmp(zSql, "trigger", 7)==0 ){
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   206
                token = tkTRIGGER;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   207
              }else if( nId==4 && sqlite3StrNICmp(zSql, "temp", 4)==0 ){
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   208
                token = tkTEMP;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   209
              }else if( nId==9 && sqlite3StrNICmp(zSql, "temporary", 9)==0 ){
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   210
                token = tkTEMP;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   211
              }else{
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   212
                token = tkOTHER;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   213
              }
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   214
              break;
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   215
            }
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   216
            case 'e':  case 'E': {
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   217
              if( nId==3 && sqlite3StrNICmp(zSql, "end", 3)==0 ){
08ec8eefde2f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   218
                token = tkEND;
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              }else
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#ifndef SQLITE_OMIT_EXPLAIN
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              if( nId==7 && sqlite3StrNICmp(zSql, "explain", 7)==0 ){
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                token = tkEXPLAIN;
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              }else
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#endif
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              {
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                token = tkOTHER;
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              }
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              break;
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            }
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            default: {
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              token = tkOTHER;
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              break;
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            }
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          }
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#endif /* SQLITE_OMIT_TRIGGER */
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          zSql += nId-1;
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        }else{
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          /* Operators and special symbols */
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          token = tkOTHER;
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        }
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        break;
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      }
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    }
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    state = trans[state][token];
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    zSql++;
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  }
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  return state==0;
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}
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#ifndef SQLITE_OMIT_UTF16
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/*
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** This routine is the same as the sqlite3_complete() routine described
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** above, except that the parameter is required to be UTF-16 encoded, not
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** UTF-8.
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*/
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int sqlite3_complete16(const void *zSql){
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  sqlite3_value *pVal;
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  char const *zSql8;
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  int rc = SQLITE_NOMEM;
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#ifndef SQLITE_OMIT_AUTOINIT
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  rc = sqlite3_initialize();
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  if( rc ) return rc;
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#endif
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  pVal = sqlite3ValueNew(0);
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  sqlite3ValueSetStr(pVal, -1, zSql, SQLITE_UTF16NATIVE, SQLITE_STATIC);
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  zSql8 = sqlite3ValueText(pVal, SQLITE_UTF8);
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  if( zSql8 ){
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    rc = sqlite3_complete(zSql8);
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  }else{
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    rc = SQLITE_NOMEM;
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  }
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  sqlite3ValueFree(pVal);
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  return sqlite3ApiExit(0, rc);
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}
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#endif /* SQLITE_OMIT_UTF16 */
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#endif /* SQLITE_OMIT_COMPLETE */