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107 lines
2.4 KiB
Plaintext
107 lines
2.4 KiB
Plaintext
%{
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/* MDB Tools - A library for reading MS Access database file
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* Copyright (C) 2000 Brian Bruns
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <string.h>
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#include "mdbsql.h"
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#include "parser.h"
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%}
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%%
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select { return SELECT; }
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from { return FROM; }
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connect { return CONNECT; }
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disconnect { return DISCONNECT; }
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to { return TO; }
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list { return LIST; }
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where { return WHERE; }
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tables { return TABLES; }
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table { return TABLE; }
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describe { return DESCRIBE; }
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and { return AND; }
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or { return OR; }
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not { return NOT; }
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is { return IS; }
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null { return NUL; }
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(<=) { return LTEQ; }
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(>=) { return GTEQ; }
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like { return LIKE; }
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[ \t\r] ;
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\"[^"]*\"\" {
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yyless(yyleng-1);
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yymore();
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}
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\"[^"]*\" {
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int ip, op, ilen;
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ilen = strlen(yytext);
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yylval.name = malloc(ilen-1);
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for (ip=1, op=0; ip<ilen-1; ip++, op++) {
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if (yytext[ip] != '"') {
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yylval.name[op] = yytext[ip];
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} else if (yytext[ip+1] == '"') {
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yylval.name[op] = yytext[ip++];
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}
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}
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yylval.name[op]='\0';
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return IDENT;
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}
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[A-Za-z][A-Za-z0-9_#@]* { yylval.name = strdup(yytext); return NAME; }
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'[^']*'' {
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yyless(yyleng-1);
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yymore();
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}
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'[^']*' {
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yylval.name = strdup(yytext);
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return STRING;
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}
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(-*[0-9]+|([0-9]*\.[0-9]+)([eE][-+]?[0-9]+)?) {
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yylval.name = strdup(yytext); return NUMBER;
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}
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~?(\/?[A-Za-z0-9\.]+)+ { yylval.name = strdup(yytext); return PATH; }
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. { return yytext[0]; }
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%%
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int yywrap()
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{
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return 1;
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}
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void yyerror(char *s)
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{
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fprintf(stderr,"Error at Line : %s near %s\n", s, yytext);
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}
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#if 0
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int main(int argc, char **argv)
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{
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int i;
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g_sql = mdb_sql_init();
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yyin = stdin;
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if (yyparse()) {
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fprintf(stderr, "Couldn't parse SQL\n");
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exit(1);
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}
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mdb_sql_dump(g_sql);
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mdb_sql_exit(g_sql);
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}
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#endif
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