mirror of
https://github.com/mdbtools/mdbtools.git
synced 2026-03-10 00:20:54 +08:00
added like operator and handling of string sargs
Added index stuff to HACKING file Misc. mdb-sql updates
This commit is contained in:
brianb
@@ -85,7 +85,7 @@ CONFIG_CLEAN_FILES =
|
||||
PROGRAMS = $(bin_PROGRAMS)
|
||||
|
||||
|
||||
DEFS = -DPACKAGE=\"mdbtools\" -DVERSION=\"0.3\" -DYYTEXT_POINTER=1 -DHAVE_LIBMDB=1 -DHAVE_FCNTL_H=1 -DHAVE_LIMITS_H=1 -DHAVE_UNISTD_H=1 -DHAVE_READLINE=1 -I. -I$(srcdir)
|
||||
DEFS = -DPACKAGE=\"mdbtools\" -DVERSION=\"0.3\" -DYYTEXT_POINTER=1 -DHAVE_LIBMDB=1 -DHAVE_FCNTL_H=1 -DHAVE_LIMITS_H=1 -DHAVE_UNISTD_H=1 -DHAVE_WORDEXP_H=1 -DHAVE_READLINE=1 -I. -I$(srcdir)
|
||||
CPPFLAGS =
|
||||
LDFLAGS =
|
||||
mdb_sql_OBJECTS = mdbsql.o main.o parser.o lexer.o
|
||||
|
||||
266
src/sql/lexer.c
266
src/sql/lexer.c
@@ -1,7 +1,7 @@
|
||||
/* A lexical scanner generated by flex */
|
||||
|
||||
/* Scanner skeleton version:
|
||||
* $Header: /Users/brian/cvs/mdbtools/mdbtools/src/sql/Attic/lexer.c,v 1.1 2001/04/11 23:33:19 brianb Exp $
|
||||
* $Header: /Users/brian/cvs/mdbtools/mdbtools/src/sql/Attic/lexer.c,v 1.2 2001/04/20 21:06:46 brianb Exp $
|
||||
*/
|
||||
|
||||
#define FLEX_SCANNER
|
||||
@@ -282,16 +282,19 @@ static void yy_fatal_error YY_PROTO(( yyconst char msg[] ));
|
||||
*yy_cp = '\0'; \
|
||||
yy_c_buf_p = yy_cp;
|
||||
|
||||
#define YY_NUM_RULES 15
|
||||
#define YY_END_OF_BUFFER 16
|
||||
static yyconst short int yy_accept[61] =
|
||||
#define YY_NUM_RULES 21
|
||||
#define YY_END_OF_BUFFER 22
|
||||
static yyconst short int yy_accept[85] =
|
||||
{ 0,
|
||||
12, 12, 16, 14, 9, 15, 14, 13, 14, 12,
|
||||
10, 10, 10, 10, 10, 10, 10, 10, 0, 11,
|
||||
0, 13, 0, 13, 13, 12, 10, 10, 10, 10,
|
||||
10, 10, 10, 4, 10, 0, 12, 12, 7, 10,
|
||||
10, 10, 10, 10, 10, 10, 2, 5, 10, 10,
|
||||
10, 10, 10, 10, 6, 10, 1, 8, 3, 0
|
||||
18, 18, 22, 20, 15, 21, 20, 19, 20, 18,
|
||||
20, 20, 16, 16, 16, 16, 16, 16, 16, 16,
|
||||
16, 20, 0, 17, 0, 19, 0, 19, 19, 18,
|
||||
12, 13, 16, 16, 16, 16, 16, 16, 16, 16,
|
||||
16, 5, 16, 0, 18, 18, 8, 16, 16, 16,
|
||||
16, 16, 16, 16, 16, 16, 16, 16, 16, 2,
|
||||
14, 6, 16, 16, 16, 16, 16, 16, 16, 10,
|
||||
7, 16, 16, 16, 1, 9, 3, 16, 16, 11,
|
||||
16, 16, 4, 0
|
||||
} ;
|
||||
|
||||
static yyconst int yy_ec[256] =
|
||||
@@ -301,15 +304,15 @@ static yyconst int yy_ec[256] =
|
||||
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
||||
1, 2, 1, 1, 1, 1, 1, 1, 4, 5,
|
||||
5, 1, 6, 1, 7, 8, 9, 10, 10, 10,
|
||||
10, 10, 10, 10, 10, 10, 10, 1, 1, 1,
|
||||
1, 1, 1, 1, 11, 11, 11, 11, 12, 11,
|
||||
11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
|
||||
11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
|
||||
12, 11, 11, 11, 11, 11, 13, 14, 15, 16,
|
||||
10, 10, 10, 10, 10, 10, 10, 1, 1, 11,
|
||||
12, 13, 1, 1, 14, 14, 14, 14, 15, 14,
|
||||
14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
|
||||
14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
|
||||
15, 14, 14, 14, 14, 14, 16, 17, 18, 19,
|
||||
|
||||
17, 18, 11, 19, 20, 11, 11, 21, 22, 23,
|
||||
24, 11, 11, 25, 26, 27, 11, 11, 28, 11,
|
||||
11, 11, 1, 1, 1, 1, 1, 1, 1, 1,
|
||||
20, 21, 14, 22, 23, 14, 24, 25, 26, 27,
|
||||
28, 14, 14, 29, 30, 31, 14, 14, 32, 14,
|
||||
14, 14, 1, 1, 1, 33, 1, 1, 1, 1,
|
||||
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
||||
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
||||
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
||||
@@ -326,91 +329,116 @@ static yyconst int yy_ec[256] =
|
||||
1, 1, 1, 1, 1
|
||||
} ;
|
||||
|
||||
static yyconst int yy_meta[29] =
|
||||
static yyconst int yy_meta[34] =
|
||||
{ 0,
|
||||
1, 1, 2, 1, 3, 3, 1, 4, 4, 4,
|
||||
1, 1, 1, 4, 4, 4, 4, 4, 4, 4,
|
||||
4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
|
||||
4, 4, 4, 4, 4, 4, 4, 4
|
||||
4, 4, 1
|
||||
} ;
|
||||
|
||||
static yyconst short int yy_base[64] =
|
||||
static yyconst short int yy_base[88] =
|
||||
{ 0,
|
||||
0, 0, 111, 199, 199, 199, 96, 24, 26, 37,
|
||||
29, 31, 40, 42, 48, 44, 50, 57, 87, 79,
|
||||
63, 52, 69, 74, 80, 0, 63, 85, 87, 90,
|
||||
94, 96, 98, 100, 107, 65, 45, 79, 110, 113,
|
||||
117, 119, 121, 123, 125, 132, 134, 139, 143, 145,
|
||||
147, 151, 159, 161, 163, 165, 167, 169, 171, 199,
|
||||
192, 194, 40
|
||||
0, 0, 119, 279, 279, 279, 111, 29, 31, 45,
|
||||
83, 75, 33, 37, 39, 48, 50, 52, 54, 57,
|
||||
61, 68, 78, 73, 74, 78, 81, 86, 92, 0,
|
||||
279, 279, 95, 97, 100, 102, 105, 109, 112, 114,
|
||||
116, 120, 132, 62, 42, 91, 122, 135, 137, 139,
|
||||
141, 145, 150, 152, 155, 160, 162, 165, 167, 169,
|
||||
175, 177, 179, 182, 184, 190, 192, 197, 201, 203,
|
||||
205, 208, 210, 213, 217, 220, 222, 226, 228, 233,
|
||||
235, 241, 243, 279, 272, 274, 39
|
||||
} ;
|
||||
|
||||
static yyconst short int yy_def[64] =
|
||||
static yyconst short int yy_def[88] =
|
||||
{ 0,
|
||||
60, 1, 60, 60, 60, 60, 61, 62, 62, 62,
|
||||
63, 63, 63, 63, 63, 63, 63, 63, 61, 61,
|
||||
60, 10, 10, 10, 10, 10, 63, 63, 63, 63,
|
||||
63, 63, 63, 63, 63, 60, 60, 10, 63, 63,
|
||||
63, 63, 63, 63, 63, 63, 63, 63, 63, 63,
|
||||
63, 63, 63, 63, 63, 63, 63, 63, 63, 0,
|
||||
60, 60, 60
|
||||
84, 1, 84, 84, 84, 84, 85, 86, 86, 86,
|
||||
84, 84, 87, 87, 87, 87, 87, 87, 87, 87,
|
||||
87, 10, 85, 85, 84, 10, 10, 10, 10, 10,
|
||||
84, 84, 87, 87, 87, 87, 87, 87, 87, 87,
|
||||
87, 87, 87, 84, 84, 10, 87, 87, 87, 87,
|
||||
87, 87, 87, 87, 87, 87, 87, 87, 87, 87,
|
||||
87, 87, 87, 87, 87, 87, 87, 87, 87, 87,
|
||||
87, 87, 87, 87, 87, 87, 87, 87, 87, 87,
|
||||
87, 87, 87, 0, 84, 84, 84
|
||||
} ;
|
||||
|
||||
static yyconst short int yy_nxt[228] =
|
||||
static yyconst short int yy_nxt[313] =
|
||||
{ 0,
|
||||
4, 5, 6, 7, 4, 4, 4, 8, 9, 10,
|
||||
11, 11, 12, 11, 13, 11, 11, 14, 11, 11,
|
||||
15, 11, 11, 11, 11, 16, 17, 18, 21, 21,
|
||||
60, 60, 23, 24, 60, 24, 22, 23, 22, 23,
|
||||
24, 60, 60, 27, 25, 23, 26, 22, 23, 22,
|
||||
23, 22, 23, 28, 37, 22, 23, 22, 23, 22,
|
||||
32, 22, 33, 29, 22, 23, 30, 31, 36, 36,
|
||||
22, 23, 37, 34, 37, 35, 22, 60, 22, 36,
|
||||
36, 22, 20, 38, 21, 21, 22, 22, 38, 24,
|
||||
20, 24, 22, 23, 22, 23, 24, 22, 23, 20,
|
||||
11, 4, 12, 13, 13, 14, 13, 15, 16, 13,
|
||||
17, 13, 13, 13, 18, 13, 13, 13, 13, 19,
|
||||
20, 21, 22, 25, 25, 84, 84, 27, 28, 84,
|
||||
26, 27, 33, 28, 26, 27, 26, 27, 28, 84,
|
||||
84, 45, 29, 27, 30, 26, 27, 26, 27, 26,
|
||||
27, 26, 27, 34, 26, 27, 35, 36, 26, 27,
|
||||
37, 45, 41, 40, 39, 26, 24, 26, 38, 44,
|
||||
44, 24, 43, 45, 42, 26, 32, 26, 26, 84,
|
||||
26, 44, 44, 26, 31, 46, 25, 25, 26, 26,
|
||||
|
||||
39, 22, 23, 22, 23, 22, 23, 22, 23, 40,
|
||||
60, 44, 60, 41, 22, 23, 43, 22, 23, 42,
|
||||
22, 23, 60, 45, 22, 23, 22, 23, 22, 23,
|
||||
22, 23, 22, 23, 60, 46, 60, 49, 47, 22,
|
||||
23, 22, 23, 50, 60, 48, 22, 23, 52, 51,
|
||||
22, 23, 22, 23, 22, 23, 60, 53, 22, 23,
|
||||
60, 54, 60, 55, 60, 56, 22, 23, 22, 23,
|
||||
22, 23, 22, 23, 22, 23, 22, 23, 22, 23,
|
||||
60, 60, 60, 60, 60, 57, 58, 60, 60, 60,
|
||||
60, 59, 19, 60, 19, 19, 22, 22, 3, 60,
|
||||
46, 28, 26, 27, 26, 27, 28, 26, 27, 26,
|
||||
27, 28, 26, 27, 24, 47, 26, 27, 84, 26,
|
||||
27, 26, 27, 26, 27, 84, 48, 26, 27, 26,
|
||||
27, 49, 55, 84, 50, 52, 51, 84, 54, 26,
|
||||
27, 53, 26, 27, 26, 27, 26, 27, 26, 27,
|
||||
84, 56, 26, 27, 58, 84, 59, 26, 27, 26,
|
||||
27, 57, 26, 27, 61, 84, 60, 26, 27, 26,
|
||||
27, 63, 26, 27, 26, 27, 26, 27, 84, 64,
|
||||
62, 66, 26, 27, 26, 27, 26, 27, 65, 26,
|
||||
27, 26, 27, 67, 68, 84, 69, 26, 27, 26,
|
||||
|
||||
60, 60, 60, 60, 60, 60, 60, 60, 60, 60,
|
||||
60, 60, 60, 60, 60, 60, 60, 60, 60, 60,
|
||||
60, 60, 60, 60, 60, 60, 60
|
||||
27, 70, 84, 71, 26, 27, 84, 72, 26, 27,
|
||||
26, 27, 26, 27, 73, 26, 27, 26, 27, 84,
|
||||
26, 27, 84, 74, 26, 27, 78, 26, 27, 26,
|
||||
27, 75, 76, 26, 27, 26, 27, 84, 77, 79,
|
||||
26, 27, 26, 27, 84, 80, 84, 81, 26, 27,
|
||||
26, 27, 82, 84, 84, 84, 84, 84, 84, 84,
|
||||
84, 84, 84, 84, 84, 84, 84, 84, 84, 84,
|
||||
84, 83, 23, 84, 23, 23, 26, 26, 3, 84,
|
||||
84, 84, 84, 84, 84, 84, 84, 84, 84, 84,
|
||||
84, 84, 84, 84, 84, 84, 84, 84, 84, 84,
|
||||
|
||||
84, 84, 84, 84, 84, 84, 84, 84, 84, 84,
|
||||
84, 84
|
||||
} ;
|
||||
|
||||
static yyconst short int yy_chk[228] =
|
||||
static yyconst short int yy_chk[313] =
|
||||
{ 0,
|
||||
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
||||
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
||||
1, 1, 1, 1, 1, 1, 1, 1, 8, 8,
|
||||
9, 9, 8, 8, 9, 8, 11, 11, 12, 12,
|
||||
8, 10, 10, 63, 10, 10, 10, 13, 13, 14,
|
||||
14, 16, 16, 12, 37, 15, 15, 17, 17, 22,
|
||||
16, 22, 17, 13, 18, 18, 14, 15, 21, 21,
|
||||
27, 27, 21, 17, 36, 18, 23, 23, 23, 24,
|
||||
24, 24, 20, 24, 25, 25, 38, 25, 38, 25,
|
||||
19, 25, 28, 28, 29, 29, 25, 30, 30, 7,
|
||||
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
||||
1, 1, 1, 8, 8, 9, 9, 8, 8, 9,
|
||||
13, 13, 87, 8, 14, 14, 15, 15, 8, 10,
|
||||
10, 45, 10, 10, 10, 16, 16, 17, 17, 18,
|
||||
18, 19, 19, 14, 20, 20, 15, 16, 21, 21,
|
||||
16, 44, 20, 19, 18, 22, 24, 22, 17, 25,
|
||||
25, 23, 21, 25, 20, 26, 12, 26, 27, 27,
|
||||
27, 28, 28, 28, 11, 28, 29, 29, 46, 29,
|
||||
|
||||
28, 31, 31, 32, 32, 33, 33, 34, 34, 29,
|
||||
3, 33, 0, 30, 35, 35, 32, 39, 39, 31,
|
||||
40, 40, 0, 35, 41, 41, 42, 42, 43, 43,
|
||||
44, 44, 45, 45, 0, 40, 0, 43, 41, 46,
|
||||
46, 47, 47, 44, 0, 42, 48, 48, 46, 45,
|
||||
49, 49, 50, 50, 51, 51, 0, 49, 52, 52,
|
||||
0, 50, 0, 51, 0, 52, 53, 53, 54, 54,
|
||||
55, 55, 56, 56, 57, 57, 58, 58, 59, 59,
|
||||
0, 0, 0, 0, 0, 53, 54, 0, 0, 0,
|
||||
0, 56, 61, 0, 61, 61, 62, 62, 60, 60,
|
||||
46, 29, 33, 33, 34, 34, 29, 35, 35, 36,
|
||||
36, 29, 37, 37, 7, 34, 38, 38, 3, 39,
|
||||
39, 40, 40, 41, 41, 0, 35, 42, 42, 47,
|
||||
47, 36, 41, 0, 37, 39, 38, 0, 40, 43,
|
||||
43, 39, 48, 48, 49, 49, 50, 50, 51, 51,
|
||||
0, 43, 52, 52, 49, 0, 50, 53, 53, 54,
|
||||
54, 48, 55, 55, 52, 0, 51, 56, 56, 57,
|
||||
57, 54, 58, 58, 59, 59, 60, 60, 0, 55,
|
||||
53, 57, 61, 61, 62, 62, 63, 63, 56, 64,
|
||||
64, 65, 65, 58, 59, 0, 63, 66, 66, 67,
|
||||
|
||||
60, 60, 60, 60, 60, 60, 60, 60, 60, 60,
|
||||
60, 60, 60, 60, 60, 60, 60, 60, 60, 60,
|
||||
60, 60, 60, 60, 60, 60, 60
|
||||
67, 64, 0, 65, 68, 68, 0, 66, 69, 69,
|
||||
70, 70, 71, 71, 67, 72, 72, 73, 73, 0,
|
||||
74, 74, 0, 68, 75, 75, 73, 76, 76, 77,
|
||||
77, 69, 70, 78, 78, 79, 79, 0, 72, 74,
|
||||
80, 80, 81, 81, 0, 78, 0, 79, 82, 82,
|
||||
83, 83, 81, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 82, 85, 0, 85, 85, 86, 86, 84, 84,
|
||||
84, 84, 84, 84, 84, 84, 84, 84, 84, 84,
|
||||
84, 84, 84, 84, 84, 84, 84, 84, 84, 84,
|
||||
|
||||
84, 84, 84, 84, 84, 84, 84, 84, 84, 84,
|
||||
84, 84
|
||||
} ;
|
||||
|
||||
static yy_state_type yy_last_accepting_state;
|
||||
@@ -432,7 +460,7 @@ char *yytext;
|
||||
#include "parser.h"
|
||||
|
||||
extern MdbSQL *g_sql;
|
||||
#line 436 "lex.yy.c"
|
||||
#line 464 "lex.yy.c"
|
||||
|
||||
/* Macros after this point can all be overridden by user definitions in
|
||||
* section 1.
|
||||
@@ -585,7 +613,7 @@ YY_DECL
|
||||
|
||||
#line 9 "lexer.l"
|
||||
|
||||
#line 589 "lex.yy.c"
|
||||
#line 617 "lex.yy.c"
|
||||
|
||||
if ( yy_init )
|
||||
{
|
||||
@@ -636,13 +664,13 @@ yy_match:
|
||||
while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
|
||||
{
|
||||
yy_current_state = (int) yy_def[yy_current_state];
|
||||
if ( yy_current_state >= 61 )
|
||||
if ( yy_current_state >= 85 )
|
||||
yy_c = yy_meta[(unsigned int) yy_c];
|
||||
}
|
||||
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
|
||||
++yy_cp;
|
||||
}
|
||||
while ( yy_base[yy_current_state] != 199 );
|
||||
while ( yy_base[yy_current_state] != 279 );
|
||||
|
||||
yy_find_action:
|
||||
yy_act = yy_accept[yy_current_state];
|
||||
@@ -686,66 +714,96 @@ YY_RULE_SETUP
|
||||
case 4:
|
||||
YY_RULE_SETUP
|
||||
#line 13 "lexer.l"
|
||||
{ return TO; }
|
||||
{ return DISCONNECT; }
|
||||
YY_BREAK
|
||||
case 5:
|
||||
YY_RULE_SETUP
|
||||
#line 14 "lexer.l"
|
||||
{ return LIST; }
|
||||
{ return TO; }
|
||||
YY_BREAK
|
||||
case 6:
|
||||
YY_RULE_SETUP
|
||||
#line 15 "lexer.l"
|
||||
{ return WHERE; }
|
||||
{ return LIST; }
|
||||
YY_BREAK
|
||||
case 7:
|
||||
YY_RULE_SETUP
|
||||
#line 16 "lexer.l"
|
||||
{ return AND; }
|
||||
{ return WHERE; }
|
||||
YY_BREAK
|
||||
case 8:
|
||||
YY_RULE_SETUP
|
||||
#line 17 "lexer.l"
|
||||
{ return TABLES; }
|
||||
{ return AND; }
|
||||
YY_BREAK
|
||||
case 9:
|
||||
YY_RULE_SETUP
|
||||
#line 18 "lexer.l"
|
||||
;
|
||||
{ return TABLES; }
|
||||
YY_BREAK
|
||||
case 10:
|
||||
YY_RULE_SETUP
|
||||
#line 19 "lexer.l"
|
||||
{ yylval.name = strdup(yytext); return NAME; }
|
||||
{ return TABLE; }
|
||||
YY_BREAK
|
||||
case 11:
|
||||
YY_RULE_SETUP
|
||||
#line 20 "lexer.l"
|
||||
{ yylval.name = strdup(yytext); return STRING; }
|
||||
{ return DESCRIBE; }
|
||||
YY_BREAK
|
||||
case 12:
|
||||
YY_RULE_SETUP
|
||||
#line 21 "lexer.l"
|
||||
{ return LTEQ; }
|
||||
YY_BREAK
|
||||
case 13:
|
||||
YY_RULE_SETUP
|
||||
#line 22 "lexer.l"
|
||||
{ return GTEQ; }
|
||||
YY_BREAK
|
||||
case 14:
|
||||
YY_RULE_SETUP
|
||||
#line 23 "lexer.l"
|
||||
{ return LIKE; }
|
||||
YY_BREAK
|
||||
case 15:
|
||||
YY_RULE_SETUP
|
||||
#line 24 "lexer.l"
|
||||
;
|
||||
YY_BREAK
|
||||
case 16:
|
||||
YY_RULE_SETUP
|
||||
#line 25 "lexer.l"
|
||||
{ yylval.name = strdup(yytext); return NAME; }
|
||||
YY_BREAK
|
||||
case 17:
|
||||
YY_RULE_SETUP
|
||||
#line 26 "lexer.l"
|
||||
{ yylval.name = strdup(yytext); return STRING; }
|
||||
YY_BREAK
|
||||
case 18:
|
||||
YY_RULE_SETUP
|
||||
#line 27 "lexer.l"
|
||||
{
|
||||
yylval.name = strdup(yytext); return NUMBER;
|
||||
}
|
||||
YY_BREAK
|
||||
case 13:
|
||||
case 19:
|
||||
YY_RULE_SETUP
|
||||
#line 24 "lexer.l"
|
||||
#line 30 "lexer.l"
|
||||
{ yylval.name = strdup(yytext); return PATH; }
|
||||
YY_BREAK
|
||||
case 14:
|
||||
case 20:
|
||||
YY_RULE_SETUP
|
||||
#line 25 "lexer.l"
|
||||
#line 31 "lexer.l"
|
||||
{ return yytext[0]; }
|
||||
YY_BREAK
|
||||
case 15:
|
||||
case 21:
|
||||
YY_RULE_SETUP
|
||||
#line 26 "lexer.l"
|
||||
#line 32 "lexer.l"
|
||||
ECHO;
|
||||
YY_BREAK
|
||||
#line 749 "lex.yy.c"
|
||||
#line 807 "lex.yy.c"
|
||||
case YY_STATE_EOF(INITIAL):
|
||||
yyterminate();
|
||||
|
||||
@@ -1037,7 +1095,7 @@ static yy_state_type yy_get_previous_state()
|
||||
while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
|
||||
{
|
||||
yy_current_state = (int) yy_def[yy_current_state];
|
||||
if ( yy_current_state >= 61 )
|
||||
if ( yy_current_state >= 85 )
|
||||
yy_c = yy_meta[(unsigned int) yy_c];
|
||||
}
|
||||
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
|
||||
@@ -1072,11 +1130,11 @@ yy_state_type yy_current_state;
|
||||
while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
|
||||
{
|
||||
yy_current_state = (int) yy_def[yy_current_state];
|
||||
if ( yy_current_state >= 61 )
|
||||
if ( yy_current_state >= 85 )
|
||||
yy_c = yy_meta[(unsigned int) yy_c];
|
||||
}
|
||||
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
|
||||
yy_is_jam = (yy_current_state == 60);
|
||||
yy_is_jam = (yy_current_state == 84);
|
||||
|
||||
return yy_is_jam ? 0 : yy_current_state;
|
||||
}
|
||||
@@ -1631,7 +1689,7 @@ int main()
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
#line 26 "lexer.l"
|
||||
#line 32 "lexer.l"
|
||||
|
||||
|
||||
void yyerror(char *s)
|
||||
|
||||
@@ -10,18 +10,24 @@ extern MdbSQL *g_sql;
|
||||
select { return SELECT; }
|
||||
from { return FROM; }
|
||||
connect { return CONNECT; }
|
||||
disconnect { return DISCONNECT; }
|
||||
to { return TO; }
|
||||
list { return LIST; }
|
||||
where { return WHERE; }
|
||||
and { return AND; }
|
||||
tables { return TABLES; }
|
||||
table { return TABLE; }
|
||||
describe { return DESCRIBE; }
|
||||
(<=) { return LTEQ; }
|
||||
(>=) { return GTEQ; }
|
||||
like { return LIKE; }
|
||||
[ \t\r] ;
|
||||
[A-z][A-z0-9]* { yylval.name = strdup(yytext); return NAME; }
|
||||
'.*' { yylval.name = strdup(yytext); return STRING; }
|
||||
([0-9]+|([0-9]*\.[0-9+)([eE][-+]?[0-9]+)?) {
|
||||
yylval.name = strdup(yytext); return NUMBER;
|
||||
}
|
||||
(\/?[A-z0-9\.]+)+ { yylval.name = strdup(yytext); return PATH; }
|
||||
~?(\/?[A-z0-9\.]+)+ { yylval.name = strdup(yytext); return PATH; }
|
||||
. { return yytext[0]; }
|
||||
%%
|
||||
|
||||
|
||||
@@ -52,13 +52,14 @@ int parse(char *buf)
|
||||
g_input_ptr = buf;
|
||||
if (yyparse()) {
|
||||
fprintf(stderr, "Couldn't parse SQL\n");
|
||||
mdb_sql_reset(g_sql);
|
||||
return 1;
|
||||
} else {
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
main()
|
||||
main(int argc, char **argv)
|
||||
{
|
||||
char *s;
|
||||
char prompt[20];
|
||||
@@ -69,6 +70,9 @@ int done = 0;
|
||||
|
||||
/* initialize the SQL engine */
|
||||
g_sql = mdb_sql_init();
|
||||
if (argc>1) {
|
||||
mdb_sql_open(g_sql, argv[1]);
|
||||
}
|
||||
|
||||
/* give the buffer an initial size */
|
||||
bufsz = 4096;
|
||||
@@ -86,6 +90,10 @@ int done = 0;
|
||||
line = 0;
|
||||
mybuf[0]='\0';
|
||||
} else {
|
||||
while (strlen(mybuf) + strlen(s) > bufsz) {
|
||||
bufsz *= 2;
|
||||
mybuf = (char *) realloc(mybuf, bufsz);
|
||||
}
|
||||
add_history(s);
|
||||
strcat(mybuf,s);
|
||||
/* preserve line numbering for the parser */
|
||||
|
||||
126
src/sql/mdbsql.c
126
src/sql/mdbsql.c
@@ -1,6 +1,11 @@
|
||||
#include "mdbsql.h"
|
||||
#include <stdarg.h>
|
||||
|
||||
#ifdef HAVE_WORDEXP_H
|
||||
#define HAVE_WORDEXP
|
||||
#include <wordexp.h>
|
||||
#endif
|
||||
|
||||
mdb_sql_error(char *fmt, ...)
|
||||
{
|
||||
va_list ap;
|
||||
@@ -49,13 +54,36 @@ MdbSQLTable *t;
|
||||
return t;
|
||||
}
|
||||
|
||||
MdbHandle *mdb_sql_close(MdbSQL *sql)
|
||||
{
|
||||
if (sql->mdb) {
|
||||
mdb_close(sql->mdb);
|
||||
mdb_free_handle(sql->mdb);
|
||||
sql->mdb = NULL;
|
||||
} else {
|
||||
mdb_sql_error("Not connected.");
|
||||
}
|
||||
}
|
||||
|
||||
MdbHandle *mdb_sql_open(MdbSQL *sql, char *db_name)
|
||||
{
|
||||
int fail = 0;
|
||||
if (!(sql->mdb = mdb_open(db_name))) {
|
||||
if (!strstr(db_name, ".mdb")) {
|
||||
char *tmpstr = (char *) malloc(strlen(db_name)+5);
|
||||
strcpy(tmpstr,db_name);
|
||||
char *db_namep = db_name;
|
||||
|
||||
#ifdef HAVE_WORDEXP
|
||||
wordexp_t words;
|
||||
|
||||
if (wordexp(db_name, &words, 0)==0) {
|
||||
if (words.we_wordc>0)
|
||||
db_namep = words.we_wordv[0];
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
if (!(sql->mdb = mdb_open(db_namep))) {
|
||||
if (!strstr(db_namep, ".mdb")) {
|
||||
char *tmpstr = (char *) malloc(strlen(db_namep)+5);
|
||||
strcpy(tmpstr,db_namep);
|
||||
strcat(tmpstr,".mdb");
|
||||
if (!(sql->mdb = mdb_open(tmpstr))) {
|
||||
fail++;
|
||||
@@ -68,17 +96,31 @@ int fail = 0;
|
||||
if (fail) {
|
||||
mdb_sql_error("Unable to locate database %s", db_name);
|
||||
}
|
||||
|
||||
#ifdef HAVE_WORDEXP
|
||||
wordfree(&words);
|
||||
#endif
|
||||
|
||||
return sql->mdb;
|
||||
|
||||
}
|
||||
int mdb_sql_add_sarg(MdbSQL *sql, char *col_name, int op, char *constant)
|
||||
{
|
||||
MdbSQLSarg *sql_sarg;
|
||||
int lastchar;
|
||||
|
||||
sql_sarg = mdb_sql_alloc_sarg();
|
||||
sql_sarg->col_name = g_strdup(col_name);
|
||||
sql_sarg->sarg->op = op;
|
||||
sql_sarg->sarg->value.i = atoi(constant);
|
||||
/* FIX ME -- we should probably just be storing the ascii value until the
|
||||
** column definition can be checked for validity
|
||||
*/
|
||||
if (constant[0]=='\'') {
|
||||
lastchar = strlen(constant) > 256 ? 256 : strlen(constant);
|
||||
strncpy(sql_sarg->sarg->value.s, &constant[1], lastchar - 2);
|
||||
sql_sarg->sarg->value.s[lastchar - 1]='\0';
|
||||
} else {
|
||||
sql_sarg->sarg->value.i = atoi(constant);
|
||||
}
|
||||
g_ptr_array_add(sql->sargs, sql_sarg);
|
||||
sql->num_sargs++;
|
||||
}
|
||||
@@ -236,6 +278,73 @@ MdbHandle *mdb = sql->mdb;
|
||||
print_break (30,1);
|
||||
fprintf(stdout,"\n");
|
||||
}
|
||||
void mdb_sql_describe_table(MdbSQL *sql)
|
||||
{
|
||||
MdbTableDef *table = NULL;
|
||||
MdbSQLTable *sql_tab;
|
||||
MdbCatalogEntry entry;
|
||||
MdbHandle *mdb = sql->mdb;
|
||||
MdbColumn *col;
|
||||
int i;
|
||||
char colsize[11];
|
||||
|
||||
if (!mdb) {
|
||||
mdb_sql_error("You must connect to a database first");
|
||||
return;
|
||||
}
|
||||
|
||||
sql_tab = g_ptr_array_index(sql->tables,0);
|
||||
|
||||
mdb_read_catalog(mdb, MDB_TABLE);
|
||||
|
||||
for (i=0;i<mdb->num_catalog;i++) {
|
||||
entry = g_array_index(mdb->catalog,MdbCatalogEntry,i);
|
||||
if (entry.object_type == MDB_TABLE &&
|
||||
!strcasecmp(entry.object_name,sql_tab->name)) {
|
||||
table = mdb_read_table(&entry);
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!table) {
|
||||
mdb_sql_error("%s is not a table in this database", sql_tab->name);
|
||||
/* the column and table names are no good now */
|
||||
mdb_sql_reset(sql);
|
||||
return;
|
||||
}
|
||||
|
||||
mdb_read_columns(table);
|
||||
|
||||
print_break (30,1);
|
||||
print_break (20,0);
|
||||
print_break (10,0);
|
||||
fprintf(stdout,"\n");
|
||||
print_value ("Column Name",30,1);
|
||||
print_value ("Type",20,0);
|
||||
print_value ("Size",10,0);
|
||||
fprintf(stdout,"\n");
|
||||
print_break (30,1);
|
||||
print_break (20,0);
|
||||
print_break (10,0);
|
||||
fprintf(stdout,"\n");
|
||||
|
||||
for (i=0;i<table->num_cols;i++) {
|
||||
col = g_ptr_array_index(table->columns,i);
|
||||
|
||||
print_value (col->name,30,1);
|
||||
print_value (mdb_get_coltype_string(mdb->default_backend, col->col_type),20,0);
|
||||
sprintf(colsize,"%d",col->col_size);
|
||||
print_value (colsize,10,0);
|
||||
fprintf(stdout,"\n");
|
||||
}
|
||||
print_break (30,1);
|
||||
print_break (20,0);
|
||||
print_break (10,0);
|
||||
fprintf(stdout,"\n");
|
||||
|
||||
/* the column and table names are no good now */
|
||||
mdb_sql_reset(sql);
|
||||
|
||||
}
|
||||
void mdb_sql_select(MdbSQL *sql)
|
||||
{
|
||||
int i,j;
|
||||
@@ -261,7 +370,7 @@ int found = 0;
|
||||
for (i=0;i<mdb->num_catalog;i++) {
|
||||
entry = g_array_index(mdb->catalog,MdbCatalogEntry,i);
|
||||
if (entry.object_type == MDB_TABLE &&
|
||||
!strcmp(entry.object_name,sql_tab->name)) {
|
||||
!strcasecmp(entry.object_name,sql_tab->name)) {
|
||||
table = mdb_read_table(&entry);
|
||||
break;
|
||||
}
|
||||
@@ -289,7 +398,7 @@ int found = 0;
|
||||
found=0;
|
||||
for (j=0;j<table->num_cols;j++) {
|
||||
col=g_ptr_array_index(table->columns,j);
|
||||
if (!strcmp(sqlcol->name, col->name)) {
|
||||
if (!strcasecmp(sqlcol->name, col->name)) {
|
||||
bound_values[i] = (char *) malloc(MDB_BIND_SIZE);
|
||||
bound_values[i][0] = '\0';
|
||||
/* bind the column to its listed (SQL) position */
|
||||
@@ -309,7 +418,6 @@ int found = 0;
|
||||
/* now add back the sargs */
|
||||
for (i=0;i<sql->num_sargs;i++) {
|
||||
sql_sarg=g_ptr_array_index(sql->sargs,i);
|
||||
fprintf(stdout,"Sarg for %s\n",sql_sarg->col_name);
|
||||
mdb_add_sarg_by_name(table,sql_sarg->col_name, sql_sarg->sarg);
|
||||
}
|
||||
|
||||
|
||||
482
src/sql/parser.c
Normal file
482
src/sql/parser.c
Normal file
@@ -0,0 +1,482 @@
|
||||
#ifndef lint
|
||||
static char yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93";
|
||||
#endif
|
||||
#define YYBYACC 1
|
||||
#define YYMAJOR 1
|
||||
#define YYMINOR 9
|
||||
#define yyclearin (yychar=(-1))
|
||||
#define yyerrok (yyerrflag=0)
|
||||
#define YYRECOVERING (yyerrflag!=0)
|
||||
#define YYPREFIX "yy"
|
||||
#line 2 "parser.y"
|
||||
#include "mdbsql.h"
|
||||
|
||||
MdbSQL *g_sql;
|
||||
#line 7 "parser.y"
|
||||
typedef union {
|
||||
char *name;
|
||||
double dval;
|
||||
int ival;
|
||||
} YYSTYPE;
|
||||
#line 22 "y.tab.c"
|
||||
#define NAME 257
|
||||
#define PATH 258
|
||||
#define NUMBER 259
|
||||
#define STRING 260
|
||||
#define SELECT 261
|
||||
#define FROM 262
|
||||
#define WHERE 263
|
||||
#define CONNECT 264
|
||||
#define DISCONNECT 265
|
||||
#define TO 266
|
||||
#define LIST 267
|
||||
#define TABLES 268
|
||||
#define AND 269
|
||||
#define DESCRIBE 270
|
||||
#define TABLE 271
|
||||
#define LTEQ 272
|
||||
#define GTEQ 273
|
||||
#define LIKE 274
|
||||
#define YYERRCODE 256
|
||||
short yylhs[] = { -1,
|
||||
0, 0, 0, 0, 0, 3, 3, 5, 5, 6,
|
||||
6, 7, 7, 7, 7, 7, 7, 8, 8, 4,
|
||||
4, 2, 1, 1, 1, 9,
|
||||
};
|
||||
short yylen[] = { 2,
|
||||
5, 3, 1, 3, 2, 0, 2, 1, 3, 3,
|
||||
3, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
||||
1, 1, 1, 1, 3, 1,
|
||||
};
|
||||
short yydefred[] = { 0,
|
||||
0, 0, 3, 0, 0, 0, 26, 23, 0, 0,
|
||||
0, 5, 0, 0, 0, 21, 20, 2, 22, 4,
|
||||
0, 25, 0, 1, 0, 18, 19, 7, 0, 0,
|
||||
15, 16, 17, 12, 13, 14, 0, 0, 0, 10,
|
||||
9, 11,
|
||||
};
|
||||
short yydgoto[] = { 6,
|
||||
9, 20, 24, 18, 28, 29, 37, 30, 10,
|
||||
};
|
||||
short yysindex[] = { -254,
|
||||
-42, -263, 0, -250, -252, 0, 0, 0, -242, -27,
|
||||
-256, 0, -236, -236, -42, 0, 0, 0, 0, 0,
|
||||
-241, 0, -245, 0, -56, 0, 0, 0, -246, -56,
|
||||
0, 0, 0, 0, 0, 0, -251, -245, -233, 0,
|
||||
0, 0,
|
||||
};
|
||||
short yyrindex[] = { 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, -237,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
26, 0, 0, 0, 0, 0, 0, 0, 27, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0,
|
||||
};
|
||||
short yygindex[] = { 0,
|
||||
13, 15, 0, 0, -8, 0, 1, -5, 0,
|
||||
};
|
||||
#define YYTABLESIZE 218
|
||||
short yytable[] = { 8,
|
||||
16, 17, 11, 36, 34, 35, 1, 26, 27, 2,
|
||||
3, 25, 4, 26, 27, 5, 15, 12, 13, 14,
|
||||
19, 23, 38, 42, 24, 6, 8, 22, 21, 41,
|
||||
39, 40, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 7, 31, 32, 33,
|
||||
};
|
||||
short yycheck[] = { 42,
|
||||
257, 258, 266, 60, 61, 62, 261, 259, 260, 264,
|
||||
265, 257, 267, 259, 260, 270, 44, 268, 271, 262,
|
||||
257, 263, 269, 257, 262, 0, 0, 15, 14, 38,
|
||||
30, 37, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, 257, 272, 273, 274,
|
||||
};
|
||||
#define YYFINAL 6
|
||||
#ifndef YYDEBUG
|
||||
#define YYDEBUG 0
|
||||
#endif
|
||||
#define YYMAXTOKEN 274
|
||||
#if YYDEBUG
|
||||
char *yyname[] = {
|
||||
"end-of-file",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
|
||||
0,0,0,0,0,0,0,0,"'*'",0,"','",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"'<'","'='","'>'",0,
|
||||
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
|
||||
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
|
||||
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
|
||||
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
|
||||
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"NAME","PATH",
|
||||
"NUMBER","STRING","SELECT","FROM","WHERE","CONNECT","DISCONNECT","TO","LIST",
|
||||
"TABLES","AND","DESCRIBE","TABLE","LTEQ","GTEQ","LIKE",
|
||||
};
|
||||
char *yyrule[] = {
|
||||
"$accept : query",
|
||||
"query : SELECT column_list FROM table where_clause",
|
||||
"query : CONNECT TO database",
|
||||
"query : DISCONNECT",
|
||||
"query : DESCRIBE TABLE table",
|
||||
"query : LIST TABLES",
|
||||
"where_clause :",
|
||||
"where_clause : WHERE sarg_list",
|
||||
"sarg_list : sarg",
|
||||
"sarg_list : sarg AND sarg_list",
|
||||
"sarg : NAME operator constant",
|
||||
"sarg : constant operator NAME",
|
||||
"operator : '='",
|
||||
"operator : '>'",
|
||||
"operator : '<'",
|
||||
"operator : LTEQ",
|
||||
"operator : GTEQ",
|
||||
"operator : LIKE",
|
||||
"constant : NUMBER",
|
||||
"constant : STRING",
|
||||
"database : PATH",
|
||||
"database : NAME",
|
||||
"table : NAME",
|
||||
"column_list : '*'",
|
||||
"column_list : column",
|
||||
"column_list : column ',' column_list",
|
||||
"column : NAME",
|
||||
};
|
||||
#endif
|
||||
#ifdef YYSTACKSIZE
|
||||
#undef YYMAXDEPTH
|
||||
#define YYMAXDEPTH YYSTACKSIZE
|
||||
#else
|
||||
#ifdef YYMAXDEPTH
|
||||
#define YYSTACKSIZE YYMAXDEPTH
|
||||
#else
|
||||
#define YYSTACKSIZE 500
|
||||
#define YYMAXDEPTH 500
|
||||
#endif
|
||||
#endif
|
||||
int yydebug;
|
||||
int yynerrs;
|
||||
int yyerrflag;
|
||||
int yychar;
|
||||
short *yyssp;
|
||||
YYSTYPE *yyvsp;
|
||||
YYSTYPE yyval;
|
||||
YYSTYPE yylval;
|
||||
short yyss[YYSTACKSIZE];
|
||||
YYSTYPE yyvs[YYSTACKSIZE];
|
||||
#define yystacksize YYSTACKSIZE
|
||||
#define YYABORT goto yyabort
|
||||
#define YYREJECT goto yyabort
|
||||
#define YYACCEPT goto yyaccept
|
||||
#define YYERROR goto yyerrlab
|
||||
int
|
||||
yyparse()
|
||||
{
|
||||
register int yym, yyn, yystate;
|
||||
#if YYDEBUG
|
||||
register char *yys;
|
||||
extern char *getenv();
|
||||
|
||||
if (yys = getenv("YYDEBUG"))
|
||||
{
|
||||
yyn = *yys;
|
||||
if (yyn >= '0' && yyn <= '9')
|
||||
yydebug = yyn - '0';
|
||||
}
|
||||
#endif
|
||||
|
||||
yynerrs = 0;
|
||||
yyerrflag = 0;
|
||||
yychar = (-1);
|
||||
|
||||
yyssp = yyss;
|
||||
yyvsp = yyvs;
|
||||
*yyssp = yystate = 0;
|
||||
|
||||
yyloop:
|
||||
if (yyn = yydefred[yystate]) goto yyreduce;
|
||||
if (yychar < 0)
|
||||
{
|
||||
if ((yychar = yylex()) < 0) yychar = 0;
|
||||
#if YYDEBUG
|
||||
if (yydebug)
|
||||
{
|
||||
yys = 0;
|
||||
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
|
||||
if (!yys) yys = "illegal-symbol";
|
||||
printf("%sdebug: state %d, reading %d (%s)\n",
|
||||
YYPREFIX, yystate, yychar, yys);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 &&
|
||||
yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
|
||||
{
|
||||
#if YYDEBUG
|
||||
if (yydebug)
|
||||
printf("%sdebug: state %d, shifting to state %d\n",
|
||||
YYPREFIX, yystate, yytable[yyn]);
|
||||
#endif
|
||||
if (yyssp >= yyss + yystacksize - 1)
|
||||
{
|
||||
goto yyoverflow;
|
||||
}
|
||||
*++yyssp = yystate = yytable[yyn];
|
||||
*++yyvsp = yylval;
|
||||
yychar = (-1);
|
||||
if (yyerrflag > 0) --yyerrflag;
|
||||
goto yyloop;
|
||||
}
|
||||
if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 &&
|
||||
yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
|
||||
{
|
||||
yyn = yytable[yyn];
|
||||
goto yyreduce;
|
||||
}
|
||||
if (yyerrflag) goto yyinrecovery;
|
||||
#ifdef lint
|
||||
goto yynewerror;
|
||||
#endif
|
||||
yynewerror:
|
||||
yyerror("syntax error");
|
||||
#ifdef lint
|
||||
goto yyerrlab;
|
||||
#endif
|
||||
yyerrlab:
|
||||
++yynerrs;
|
||||
yyinrecovery:
|
||||
if (yyerrflag < 3)
|
||||
{
|
||||
yyerrflag = 3;
|
||||
for (;;)
|
||||
{
|
||||
if ((yyn = yysindex[*yyssp]) && (yyn += YYERRCODE) >= 0 &&
|
||||
yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)
|
||||
{
|
||||
#if YYDEBUG
|
||||
if (yydebug)
|
||||
printf("%sdebug: state %d, error recovery shifting\
|
||||
to state %d\n", YYPREFIX, *yyssp, yytable[yyn]);
|
||||
#endif
|
||||
if (yyssp >= yyss + yystacksize - 1)
|
||||
{
|
||||
goto yyoverflow;
|
||||
}
|
||||
*++yyssp = yystate = yytable[yyn];
|
||||
*++yyvsp = yylval;
|
||||
goto yyloop;
|
||||
}
|
||||
else
|
||||
{
|
||||
#if YYDEBUG
|
||||
if (yydebug)
|
||||
printf("%sdebug: error recovery discarding state %d\n",
|
||||
YYPREFIX, *yyssp);
|
||||
#endif
|
||||
if (yyssp <= yyss) goto yyabort;
|
||||
--yyssp;
|
||||
--yyvsp;
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (yychar == 0) goto yyabort;
|
||||
#if YYDEBUG
|
||||
if (yydebug)
|
||||
{
|
||||
yys = 0;
|
||||
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
|
||||
if (!yys) yys = "illegal-symbol";
|
||||
printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
|
||||
YYPREFIX, yystate, yychar, yys);
|
||||
}
|
||||
#endif
|
||||
yychar = (-1);
|
||||
goto yyloop;
|
||||
}
|
||||
yyreduce:
|
||||
#if YYDEBUG
|
||||
if (yydebug)
|
||||
printf("%sdebug: state %d, reducing by rule %d (%s)\n",
|
||||
YYPREFIX, yystate, yyn, yyrule[yyn]);
|
||||
#endif
|
||||
yym = yylen[yyn];
|
||||
yyval = yyvsp[1-yym];
|
||||
switch (yyn)
|
||||
{
|
||||
case 1:
|
||||
#line 21 "parser.y"
|
||||
{
|
||||
mdb_sql_select(g_sql);
|
||||
}
|
||||
break;
|
||||
case 2:
|
||||
#line 24 "parser.y"
|
||||
{
|
||||
mdb_sql_open(g_sql, yyvsp[0].name); free(yyvsp[0].name);
|
||||
}
|
||||
break;
|
||||
case 3:
|
||||
#line 27 "parser.y"
|
||||
{
|
||||
mdb_sql_close(g_sql);
|
||||
}
|
||||
break;
|
||||
case 4:
|
||||
#line 30 "parser.y"
|
||||
{
|
||||
mdb_sql_describe_table(g_sql);
|
||||
}
|
||||
break;
|
||||
case 5:
|
||||
#line 33 "parser.y"
|
||||
{
|
||||
mdb_sql_listtables(g_sql);
|
||||
}
|
||||
break;
|
||||
case 10:
|
||||
#line 49 "parser.y"
|
||||
{
|
||||
mdb_sql_add_sarg(g_sql, yyvsp[-2].name, yyvsp[-1].ival, yyvsp[0].name);
|
||||
free(yyvsp[-2].name);
|
||||
free(yyvsp[0].name);
|
||||
}
|
||||
break;
|
||||
case 11:
|
||||
#line 54 "parser.y"
|
||||
{
|
||||
mdb_sql_add_sarg(g_sql, yyvsp[0].name, yyvsp[-1].ival, yyvsp[-2].name);
|
||||
free(yyvsp[-2].name);
|
||||
free(yyvsp[0].name);
|
||||
}
|
||||
break;
|
||||
case 12:
|
||||
#line 62 "parser.y"
|
||||
{ yyval.ival = MDB_EQUAL; }
|
||||
break;
|
||||
case 13:
|
||||
#line 63 "parser.y"
|
||||
{ yyval.ival = MDB_GT; }
|
||||
break;
|
||||
case 14:
|
||||
#line 64 "parser.y"
|
||||
{ yyval.ival = MDB_LT; }
|
||||
break;
|
||||
case 15:
|
||||
#line 65 "parser.y"
|
||||
{ yyval.ival = MDB_LTEQ; }
|
||||
break;
|
||||
case 16:
|
||||
#line 66 "parser.y"
|
||||
{ yyval.ival = MDB_GTEQ; }
|
||||
break;
|
||||
case 17:
|
||||
#line 67 "parser.y"
|
||||
{ yyval.ival = MDB_LIKE; }
|
||||
break;
|
||||
case 18:
|
||||
#line 70 "parser.y"
|
||||
{ yyval.name = yyvsp[0].name; }
|
||||
break;
|
||||
case 19:
|
||||
#line 71 "parser.y"
|
||||
{ yyval.name = yyvsp[0].name; }
|
||||
break;
|
||||
case 22:
|
||||
#line 79 "parser.y"
|
||||
{ mdb_sql_add_table(g_sql, yyvsp[0].name); free(yyvsp[0].name); }
|
||||
break;
|
||||
case 23:
|
||||
#line 83 "parser.y"
|
||||
{ mdb_sql_all_columns(g_sql); }
|
||||
break;
|
||||
case 26:
|
||||
#line 89 "parser.y"
|
||||
{ mdb_sql_add_column(g_sql, yyvsp[0].name); free(yyvsp[0].name); }
|
||||
break;
|
||||
#line 427 "y.tab.c"
|
||||
}
|
||||
yyssp -= yym;
|
||||
yystate = *yyssp;
|
||||
yyvsp -= yym;
|
||||
yym = yylhs[yyn];
|
||||
if (yystate == 0 && yym == 0)
|
||||
{
|
||||
#if YYDEBUG
|
||||
if (yydebug)
|
||||
printf("%sdebug: after reduction, shifting from state 0 to\
|
||||
state %d\n", YYPREFIX, YYFINAL);
|
||||
#endif
|
||||
yystate = YYFINAL;
|
||||
*++yyssp = YYFINAL;
|
||||
*++yyvsp = yyval;
|
||||
if (yychar < 0)
|
||||
{
|
||||
if ((yychar = yylex()) < 0) yychar = 0;
|
||||
#if YYDEBUG
|
||||
if (yydebug)
|
||||
{
|
||||
yys = 0;
|
||||
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
|
||||
if (!yys) yys = "illegal-symbol";
|
||||
printf("%sdebug: state %d, reading %d (%s)\n",
|
||||
YYPREFIX, YYFINAL, yychar, yys);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
if (yychar == 0) goto yyaccept;
|
||||
goto yyloop;
|
||||
}
|
||||
if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 &&
|
||||
yyn <= YYTABLESIZE && yycheck[yyn] == yystate)
|
||||
yystate = yytable[yyn];
|
||||
else
|
||||
yystate = yydgoto[yym];
|
||||
#if YYDEBUG
|
||||
if (yydebug)
|
||||
printf("%sdebug: after reduction, shifting from state %d \
|
||||
to state %d\n", YYPREFIX, *yyssp, yystate);
|
||||
#endif
|
||||
if (yyssp >= yyss + yystacksize - 1)
|
||||
{
|
||||
goto yyoverflow;
|
||||
}
|
||||
*++yyssp = yystate;
|
||||
*++yyvsp = yyval;
|
||||
goto yyloop;
|
||||
yyoverflow:
|
||||
yyerror("yacc stack overflow");
|
||||
yyabort:
|
||||
return (1);
|
||||
yyaccept:
|
||||
return (0);
|
||||
}
|
||||
24
src/sql/parser.h
Normal file
24
src/sql/parser.h
Normal file
@@ -0,0 +1,24 @@
|
||||
#define NAME 257
|
||||
#define PATH 258
|
||||
#define NUMBER 259
|
||||
#define STRING 260
|
||||
#define SELECT 261
|
||||
#define FROM 262
|
||||
#define WHERE 263
|
||||
#define CONNECT 264
|
||||
#define DISCONNECT 265
|
||||
#define TO 266
|
||||
#define LIST 267
|
||||
#define TABLES 268
|
||||
#define AND 269
|
||||
#define DESCRIBE 270
|
||||
#define TABLE 271
|
||||
#define LTEQ 272
|
||||
#define GTEQ 273
|
||||
#define LIKE 274
|
||||
typedef union {
|
||||
char *name;
|
||||
double dval;
|
||||
int ival;
|
||||
} YYSTYPE;
|
||||
extern YYSTYPE yylval;
|
||||
@@ -11,7 +11,9 @@ MdbSQL *g_sql;
|
||||
}
|
||||
|
||||
%token NAME PATH NUMBER STRING
|
||||
%token SELECT FROM WHERE CONNECT TO LIST TABLES WHERE AND
|
||||
%token SELECT FROM WHERE CONNECT DISCONNECT TO LIST TABLES WHERE AND
|
||||
%token DESCRIBE TABLE
|
||||
%token LTEQ GTEQ LIKE
|
||||
|
||||
%%
|
||||
|
||||
@@ -22,6 +24,12 @@ query:
|
||||
| CONNECT TO database {
|
||||
mdb_sql_open(g_sql, $3.name); free($3.name);
|
||||
}
|
||||
| DISCONNECT {
|
||||
mdb_sql_close(g_sql);
|
||||
}
|
||||
| DESCRIBE TABLE table {
|
||||
mdb_sql_describe_table(g_sql);
|
||||
}
|
||||
| LIST TABLES {
|
||||
mdb_sql_listtables(g_sql);
|
||||
}
|
||||
@@ -54,6 +62,9 @@ operator:
|
||||
'=' { $$.ival = MDB_EQUAL; }
|
||||
| '>' { $$.ival = MDB_GT; }
|
||||
| '<' { $$.ival = MDB_LT; }
|
||||
| LTEQ { $$.ival = MDB_LTEQ; }
|
||||
| GTEQ { $$.ival = MDB_GTEQ; }
|
||||
| LIKE { $$.ival = MDB_LIKE; }
|
||||
;
|
||||
constant:
|
||||
NUMBER { $$.name = $1.name; }
|
||||
|
||||
Reference in New Issue
Block a user