php/archived-pecl-database-pdo-user
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archived-pecl-database-pdo-…/pdo_user_sql_tokenizer.re

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#include "php.h"
#include "php_pdo_user_sql.h"
static void php_pdo_user_unquote(php_pdo_user_sql_token *token)
{
char *out = emalloc(token->token_len + 1), *p = out;
int i;
token->token_len--;
for(i = 1; i < token->token_len; i++) {
switch (token->token[i]) {
case '\\':
if ((i + 1) >= token->token_len) {
/* EOL */
*(p++) = '\\';
goto done;
}
switch (token->token[++i]) {
case 'r': *(p++) = '\r'; goto next_iter;
case 'n': *(p++) = '\n'; goto next_iter;
case 't': *(p++) = '\t'; goto next_iter;
case '\\': *(p++) = '\\'; goto next_iter;
case 'x':
{
unsigned char val = 0;
if (++i >= token->token_len) {
*(p++) = 'x';
goto done;
}
if (token->token[i] >= '0' && token->token[i] <= '9') {
val = token->token[i] - '0';
} else if (token->token[i] >= 'A' && token->token[i] <= 'F') {
val = 10 + token->token[i] - 'A';
} else if (token->token[i] >= 'a' && token->token[i] <= 'f') {
val = 10 + token->token[i] - 'a';
} else {
*(p++) = 'x';
i--;
goto next_iter;
}
if (++i >= token->token_len) {
*(p++) = val;
goto done;
}
if (token->token[i] >= '0' && token->token[i] <= '9') {
val <<= 4;
val |= token->token[i] - '0';
} else if (token->token[i] >= 'A' && token->token[i] <= 'F') {
val <<= 4;
val |= 10 + token->token[i] - 'A';
} else if (token->token[i] >= 'a' && token->token[i] <= 'f') {
val <<= 4;
val |= 10 + token->token[i] - 'a';
} else {
*(p++) = val;
i--;
goto next_iter;
}
*(p++) = val;
goto next_iter;
}
default: /* local-quote, octal and literal */
{
unsigned char val = 0;
if (token->token[i] == token->token[0]) {
/* local-quote */
*(p++) = token->token[i];
goto next_iter;
} else if (token->token[i] >= '0' && token->token[i] <= '7') {
/* Octit #1 */
val = token->token[i] - '0';
} else {
/* not a normal escape sequence */
*(p++) = '\\';
*(p++) = token->token[i];
goto next_iter;
}
if (++i >= token->token_len) {
*(p++) = val;
goto done;
}
if (token->token[i] >= '0' && token->token[i] <= '7') {
/* Octit #2 */
val <<= 3;
val |= token->token[i] - '0';
} else {
/* This was a single octit value, back up */
*(p++) = val;
i--;
goto next_iter;
}
if (val > 0x1F) {
*(p++) = val;
goto next_iter;
}
if (++i >= token->token_len) {
*(p++) = val;
goto done;
}
if (token->token[i] >= '0' && token->token[i] <= '7') {
/* Octit #3 */
val <<= 3;
val |= token->token[i] - '0';
} else {
/* This was a two-octit value, back up */
*(p++) = val;
i--;
goto next_iter;
}
*(p++) = val;
goto next_iter;
}
}
default:
*(p++) = token->token[i];
}
next_iter:
continue; /* avoids warning */
}
done:
token->token = out;
token->token_len = p - out;
*p = 0;
token->freeme = 1;
}
#define RET(num) { token->token_len = t->start - token->token; token->id = num; return (num); }
#define RET_UNESC(num) { token->token_len = t->start - token->token; token->id = num; php_pdo_user_unquote(token); return (num); }
#define YYCTYPE char
#define YYCURSOR (t->start)
#define YYLIMIT (t->end)
#define YYFILL(n)
#define YYMARKER marker
int php_pdo_user_sql_get_token(php_pdo_user_sql_tokenizer *t, php_pdo_user_sql_token *token)
{
char *marker = t->start;
token->freeme = 0;
token->token = t->start;
/*!re2c
ESCBT = [\\][`];
ESCQQ = [\\]["];
ESCQ = [\\]['];
ESCSEQ = [\\].;
LNUMS = [0-9];
HNUMS = [0-9A-Fa-f];
LABELCHAR = [0-9a-zA-Z_\200-\377];
LABELSTART = [a-zA-Z_:\200-\377];
ANYNOEOF = [\001-\377];
EOF = [\000];
/* SQL Verbs */
'select' { RET(PU_SELECT); }
'insert' { RET(PU_INSERT); }
'update' { RET(PU_UPDATE); }
'delete' { RET(PU_DELETE); }
'create' { RET(PU_CREATE); }
'rename' { RET(PU_RENAME); }
'alter' { RET(PU_ALTER); }
'grant' { RET(PU_GRANT); }
'revoke' { RET(PU_REVOKE); }
'add' { RET(PU_ADD); }
'drop' { RET(PU_DROP); }
/* SQL Nouns */
'table' { RET(PU_TABLE); }
'view' { RET(PU_VIEW); }
'column' { RET(PU_COLUMN); }
'key' { RET(PU_KEY); }
'null' { RET(PU_NULL); }
'auto_increment' { RET(PU_AUTO_INCREMENT); }
'all' { RET(PU_ALL); }
/* SQL Prepositions */
'into' { RET(PU_INTO); }
'from' { RET(PU_FROM); }
'default' { RET(PU_DEFAULT); }
'where' { RET(PU_WHERE); }
'group' { RET(PU_GROUP); }
'limit' { RET(PU_LIMIT); }
'having' { RET(PU_HAVING); }
'order' { RET(PU_ORDER); }
'by' { RET(PU_BY); }
'as' { RET(PU_AS); }
'to' { RET(PU_TO); }
'values' { RET(PU_VALUES); }
'unique' { RET(PU_UNIQUE); }
'primary' { RET(PU_PRIMARY); }
'before' { RET(PU_BEFORE); }
'after' { RET(PU_AFTER); }
'identified' { RET(PU_IDENTIFIED); }
'distinct' { RET(PU_DISTINCT); }
'inner' { RET(PU_INNER); }
'outer' { RET(PU_OUTER); }
'left' { RET(PU_LEFT); }
'right' { RET(PU_RIGHT); }
'join' { RET(PU_JOIN); }
'on' { RET(PU_ON); }
'asc' { RET(PU_ASC); }
'desc' { RET(PU_DESC); }
'unsigned' { RET(PU_UNSIGNED); }
'zerofill' { RET(PU_ZEROFILL); }
'in' { RET(PU_IN); }
/* SQL Types */
'bit' { RET(PU_BIT); }
'int' { RET(PU_INT); }
'integer' { RET(PU_INTEGER); }
'tinyint' { RET(PU_TINYINT); }
'smallint' { RET(PU_SMALLINT); }
'mediumint' { RET(PU_MEDIUMINT); }
'bigint' { RET(PU_BIGINT); }
'char' { RET(PU_CHAR); }
'varchar' { RET(PU_VARCHAR); }
'binary' { RET(PU_BINARY); }
'varbinary' { RET(PU_VARBINARY); }
'datetime' { RET(PU_DATETIME); }
'date' { RET(PU_DATE); }
'time' { RET(PU_TIME); }
'timestamp' { RET(PU_TIMESTAMP); }
'year' { RET(PU_YEAR); }
'real' { RET(PU_REAL); }
'double' { RET(PU_DOUBLE); }
'float' { RET(PU_FLOAT); }
'decimal' { RET(PU_DECIMAL); }
'text' { RET(PU_TEXT); }
'tinytext' { RET(PU_TINYTEXT); }
'mediumtext' { RET(PU_MEDIUMTEXT); }
'longtext' { RET(PU_LONGTEXT); }
'blob' { RET(PU_BLOB); }
'tinyblob' { RET(PU_TINYBLOB); }
'mediumblob' { RET(PU_MEDIUMBLOB); }
'longblob' { RET(PU_LONGBLOB); }
'set' { RET(PU_SET); }
'enum' { RET(PU_ENUM); }
/* SQL Logicals */
"!=" { RET(PU_NOT_EQUAL); }
"<>" { RET(PU_UNEQUAL); }
"<=" { RET(PU_LESSER_EQUAL); }
">=" { RET(PU_GREATER_EQUAL); }
'like' { RET(PU_LIKE); }
'rlike' { RET(PU_RLIKE); }
'not' { RET(PU_NOT); }
'and' { RET(PU_AND); }
'or' { RET(PU_OR); }
'xor' { RET(PU_XOR); }
/* Single char tokens */
[+] { RET(PU_PLUS); }
[-] { RET(PU_MINUS); }
[*] { RET(PU_MUL); }
[/] { RET(PU_DIV); }
[%] { RET(PU_MOD); }
[(] { RET(PU_LPAREN); }
[)] { RET(PU_RPAREN); }
[,] { RET(PU_COMMA); }
[=] { RET(PU_EQUALS); }
[;] { RET(PU_SEMICOLON); }
[.] { RET(PU_DOT); }
[:] { RET(PU_COLON); }
([`] (ESCBT|ESCSEQ|ANYNOEOF\[\\`])* [`]){ RET_UNESC(PU_LABEL); }
(["] (ESCQQ|ESCSEQ|ANYNOEOF\[\\"])* ["]){ RET_UNESC(PU_STRING); }
(['] (ESCQ|ESCSEQ|ANYNOEOF\[\\'])* [']) { RET_UNESC(PU_STRING); }
[\s\r\n\t ]+ { RET(PU_WHITESPACE); }
('0x' HNUMS+) { RET(PU_HNUM); }
([-]? LNUMS* [.] LNUMS+) { RET(PU_DNUM); }
LNUMS+ { RET(PU_LNUM); }
(LABELSTART LABELCHAR*) { RET(PU_LABEL); }
EOF { RET(PU_END); }
*/
}
#define PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(v) { v, #v },
php_pdo_user_sql_token_label php_pdo_user_sql_token_labels[] = {
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_END)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_LABEL)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_STRING)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_WHITESPACE)
/* Verbs */
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_SELECT)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_INSERT)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_UPDATE)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_DELETE)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_CREATE)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_RENAME)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_ALTER)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_GRANT)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_REVOKE)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_ADD)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_DROP)
/* Nouns */
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_TABLE)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_VIEW)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_COLUMN)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_KEY)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_NULL)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_AUTO_INCREMENT)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_HNUM)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_LNUM)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_ALL)
/* Prepositions */
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_INTO)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_FROM)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY( PU_DEFAULT)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_WHERE)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_GROUP)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_LIMIT)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_HAVING)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_ORDER)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_BY)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_AS)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_TO)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_VALUES)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_UNIQUE)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_PRIMARY)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_BEFORE)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_AFTER)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_IDENTIFIED)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_DISTINCT)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_INNER)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_OUTER)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_LEFT)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_RIGHT)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_JOIN)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_ON)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_ASC)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_DESC)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_UNSIGNED)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_ZEROFILL)
/* SQL Types */
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_BIT)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_INT)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_INTEGER)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_TINYINT)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_SMALLINT)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_MEDIUMINT)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_BIGINT)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_CHAR)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_VARCHAR)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_BINARY)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_VARBINARY)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_DATETIME)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_DATE)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_TIME)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_TIMESTAMP)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_YEAR)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_REAL)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_DECIMAL)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_DOUBLE)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_FLOAT)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_TEXT)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_TINYTEXT)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_MEDIUMTEXT)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_LONGTEXT)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_BLOB)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_TINYBLOB)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_MEDIUMBLOB)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_LONGBLOB)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_SET)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_ENUM)
/* Logicals */
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_NOT_EQUAL) /* != */
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_UNEQUAL) /* <> */
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_LESSER_EQUAL)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_GREATER_EQUAL)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_LIKE)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_RLIKE)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_NOT)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_AND)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_OR)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_XOR)
/* Single Character Tokens */
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_PLUS)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_MINUS)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_MUL)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_DIV)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_MOD)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_LPAREN)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_RPAREN)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_COMMA)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_EQUALS)
PHP_PDO_USER_SQL_TOKEN_LABEL_ENTRY(PU_SEMICOLON)
{ 0, NULL }
};
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