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641.2.2
by Monty Taylor
InnoDB Plugin 1.0.3 |
1 |
/*****************************************************************************
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2 |
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3 |
Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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13 |
You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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1841.1.3
by Barry.Leslie at PrimeBase
Merged changes from lp:pbms. These changes should remove any danger |
15 |
Place, Suite 330, Boston, MA 02110-1301 USA
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641.2.2
by Monty Taylor
InnoDB Plugin 1.0.3 |
16 |
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17 |
*****************************************************************************/
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641.1.2
by Monty Taylor
Imported 1.0.1 with clean - with no changes. |
19 |
/******************************************************
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20 |
SQL parser lexical analyzer: input file for the GNU Flex lexer generator
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21 |
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641.2.2
by Monty Taylor
InnoDB Plugin 1.0.3 |
22 |
Created 12/14/1997 Heikki Tuuri
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641.1.2
by Monty Taylor
Imported 1.0.1 with clean - with no changes. |
23 |
*******************************************************/
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25 |
%option nostdinit |
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26 |
%option 8bit |
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%option warn |
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%option pointer |
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%option never-interactive |
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%option nodefault |
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%option noinput |
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%option nounput |
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%option noyywrap |
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%option noyy_scan_buffer |
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%option noyy_scan_bytes |
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%option noyy_scan_string |
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38 |
%{ |
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39 |
#define YYSTYPE que_node_t* |
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40 |
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41 |
#include "univ.i" |
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42 |
#include "pars0pars.h" |
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43 |
#include "pars0grm.h" |
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44 |
#include "pars0sym.h" |
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45 |
#include "mem0mem.h" |
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46 |
#include "os0proc.h" |
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47 |
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48 |
#define malloc(A) ut_malloc(A) |
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49 |
#define free(A) ut_free(A) |
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50 |
#define realloc(P, A) ut_realloc(P, A) |
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51 |
#define exit(A) ut_error |
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52 |
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53 |
#define YY_INPUT(buf, result, max_size) pars_get_lex_chars(buf, &result, max_size) |
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54 |
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55 |
/* String buffer for removing quotes */
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56 |
static ulint stringbuf_len_alloc = 0; /* Allocated length */ |
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57 |
static ulint stringbuf_len = 0; /* Current length */ |
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58 |
static char* stringbuf; /* Start of buffer */ |
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641.2.3
by Monty Taylor
InnoDB Plugin 1.0.4 |
59 |
/** Appends a string to the buffer. */
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641.1.2
by Monty Taylor
Imported 1.0.1 with clean - with no changes. |
60 |
static |
61 |
void |
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62 |
string_append(
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63 |
/*==========*/
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641.2.3
by Monty Taylor
InnoDB Plugin 1.0.4 |
64 |
const char* str, /*!< in: string to be appended */ |
65 |
ulint len) /*!< in: length of the string */ |
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641.1.2
by Monty Taylor
Imported 1.0.1 with clean - with no changes. |
66 |
{
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67 |
if (stringbuf == NULL) { |
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68 |
stringbuf = malloc(1); |
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stringbuf_len_alloc = 1; |
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} |
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72 |
if (stringbuf_len + len > stringbuf_len_alloc) { |
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73 |
while (stringbuf_len + len > stringbuf_len_alloc) { |
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74 |
stringbuf_len_alloc <<= 1; |
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} |
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76 |
stringbuf = realloc(stringbuf, stringbuf_len_alloc); |
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77 |
} |
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78 |
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79 |
memcpy(stringbuf + stringbuf_len, str, len); |
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80 |
stringbuf_len += len; |
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81 |
}
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82 |
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83 |
%} |
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84 |
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85 |
DIGIT [0-9] |
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86 |
ID [a-z_A-Z][a-z_A-Z0-9]* |
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87 |
BOUND_LIT \:[a-z_A-Z0-9]+ |
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88 |
BOUND_ID \$[a-z_A-Z0-9]+ |
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%x comment |
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%x quoted |
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%x id |
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%%
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94 |
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{DIGIT}+ { |
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96 |
yylval = sym_tab_add_int_lit(pars_sym_tab_global, |
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atoi(yytext)); |
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return(PARS_INT_LIT); |
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}
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100 |
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{DIGIT}+"."{DIGIT}* { |
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ut_error; /* not implemented */ |
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104 |
return(PARS_FLOAT_LIT); |
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}
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{BOUND_LIT} { |
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ulint type; |
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110 |
yylval = sym_tab_add_bound_lit(pars_sym_tab_global, |
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yytext + 1, &type); |
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113 |
return((int) type); |
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}
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115 |
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{BOUND_ID} { |
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yylval = sym_tab_add_bound_id(pars_sym_tab_global, |
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yytext + 1); |
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119 |
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120 |
return(PARS_ID_TOKEN); |
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121 |
}
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122 |
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123 |
"'" { |
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/* Quoted character string literals are handled in an explicit
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125 |
start state 'quoted'. This state is entered and the buffer for
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126 |
the scanned string is emptied upon encountering a starting quote.
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127 |
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128 |
In the state 'quoted', only two actions are possible (defined below). */
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129 |
BEGIN(quoted); |
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130 |
stringbuf_len = 0; |
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131 |
}
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132 |
<quoted>[^\']+ { |
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133 |
/* Got a sequence of characters other than "'": |
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134 |
append to string buffer */
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135 |
string_append(yytext, yyleng); |
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136 |
}
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137 |
<quoted>"'"+ { |
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/* Got a sequence of "'" characters: |
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append half of them to string buffer,
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140 |
as "''" represents a single "'".
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We apply truncating division,
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142 |
so that "'''" will result in "'". */
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143 |
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string_append(yytext, yyleng / 2); |
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/* If we got an odd number of quotes, then the |
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last quote we got is the terminating quote.
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148 |
At the end of the string, we return to the
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initial start state and report the scanned
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150 |
string literal. */
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151 |
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152 |
if (yyleng % 2) { |
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153 |
BEGIN(INITIAL); |
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154 |
yylval = sym_tab_add_str_lit( |
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155 |
pars_sym_tab_global, |
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156 |
(byte*) stringbuf, stringbuf_len); |
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157 |
return(PARS_STR_LIT); |
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158 |
} |
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159 |
}
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160 |
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161 |
\" { |
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162 |
/* Quoted identifiers are handled in an explicit start state 'id'.
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163 |
This state is entered and the buffer for the scanned string is emptied
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164 |
upon encountering a starting quote.
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165 |
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166 |
In the state 'id', only two actions are possible (defined below). */
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167 |
BEGIN(id); |
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168 |
stringbuf_len = 0; |
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169 |
}
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170 |
<id>[^\"]+ { |
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171 |
/* Got a sequence of characters other than '"': |
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172 |
append to string buffer */
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173 |
string_append(yytext, yyleng); |
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174 |
}
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175 |
<id>\"+ { |
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176 |
/* Got a sequence of '"' characters: |
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177 |
append half of them to string buffer,
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178 |
as '""' represents a single '"'.
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179 |
We apply truncating division,
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180 |
so that '"""' will result in '"'. */
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181 |
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182 |
string_append(yytext, yyleng / 2); |
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183 |
||
184 |
/* If we got an odd number of quotes, then the |
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185 |
last quote we got is the terminating quote.
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186 |
At the end of the string, we return to the
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187 |
initial start state and report the scanned
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188 |
identifier. */
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189 |
||
190 |
if (yyleng % 2) { |
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191 |
BEGIN(INITIAL); |
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192 |
yylval = sym_tab_add_id( |
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193 |
pars_sym_tab_global, |
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194 |
(byte*) stringbuf, stringbuf_len); |
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195 |
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196 |
return(PARS_ID_TOKEN); |
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197 |
} |
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198 |
}
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199 |
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200 |
"NULL" { |
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201 |
yylval = sym_tab_add_null_lit(pars_sym_tab_global); |
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202 |
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203 |
return(PARS_NULL_LIT); |
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204 |
}
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205 |
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206 |
"SQL" { |
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207 |
/* Implicit cursor name */ |
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208 |
yylval = sym_tab_add_str_lit(pars_sym_tab_global, |
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209 |
(byte*) yytext, yyleng); |
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210 |
return(PARS_SQL_TOKEN); |
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211 |
}
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212 |
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213 |
"AND" { |
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214 |
return(PARS_AND_TOKEN); |
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215 |
}
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216 |
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217 |
"OR" { |
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218 |
return(PARS_OR_TOKEN); |
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219 |
}
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220 |
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221 |
"NOT" { |
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222 |
return(PARS_NOT_TOKEN); |
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223 |
}
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224 |
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225 |
"PROCEDURE" { |
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226 |
return(PARS_PROCEDURE_TOKEN); |
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227 |
}
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228 |
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229 |
"IN" { |
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230 |
return(PARS_IN_TOKEN); |
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231 |
}
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232 |
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233 |
"OUT" { |
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234 |
return(PARS_OUT_TOKEN); |
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235 |
}
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236 |
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237 |
"BINARY" { |
|
238 |
return(PARS_BINARY_TOKEN); |
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239 |
}
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240 |
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241 |
"BLOB" { |
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242 |
return(PARS_BLOB_TOKEN); |
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243 |
}
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244 |
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245 |
"INT" { |
|
246 |
return(PARS_INT_TOKEN); |
|
247 |
}
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248 |
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249 |
"INTEGER" { |
|
250 |
return(PARS_INT_TOKEN); |
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251 |
}
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252 |
||
253 |
"FLOAT" { |
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254 |
return(PARS_FLOAT_TOKEN); |
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255 |
}
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256 |
||
257 |
"CHAR" { |
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258 |
return(PARS_CHAR_TOKEN); |
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259 |
}
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260 |
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261 |
"IS" { |
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262 |
return(PARS_IS_TOKEN); |
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263 |
}
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264 |
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265 |
"BEGIN" { |
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266 |
return(PARS_BEGIN_TOKEN); |
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267 |
}
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268 |
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269 |
"END" { |
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270 |
return(PARS_END_TOKEN); |
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271 |
}
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272 |
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273 |
"IF" { |
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274 |
return(PARS_IF_TOKEN); |
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275 |
}
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276 |
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277 |
"THEN" { |
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278 |
return(PARS_THEN_TOKEN); |
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279 |
}
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280 |
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281 |
"ELSE" { |
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282 |
return(PARS_ELSE_TOKEN); |
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283 |
}
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284 |
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285 |
"ELSIF" { |
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286 |
return(PARS_ELSIF_TOKEN); |
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287 |
}
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288 |
||
289 |
"LOOP" { |
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290 |
return(PARS_LOOP_TOKEN); |
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291 |
}
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292 |
||
293 |
"WHILE" { |
|
294 |
return(PARS_WHILE_TOKEN); |
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295 |
}
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296 |
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297 |
"RETURN" { |
|
298 |
return(PARS_RETURN_TOKEN); |
|
299 |
}
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300 |
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301 |
"SELECT" { |
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302 |
return(PARS_SELECT_TOKEN); |
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303 |
}
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304 |
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305 |
"SUM" { |
|
306 |
return(PARS_SUM_TOKEN); |
|
307 |
}
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308 |
||
309 |
"COUNT" { |
|
310 |
return(PARS_COUNT_TOKEN); |
|
311 |
}
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312 |
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313 |
"DISTINCT" { |
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314 |
return(PARS_DISTINCT_TOKEN); |
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315 |
}
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316 |
||
317 |
"FROM" { |
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318 |
return(PARS_FROM_TOKEN); |
|
319 |
}
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320 |
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321 |
"WHERE" { |
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322 |
return(PARS_WHERE_TOKEN); |
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323 |
}
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324 |
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325 |
"FOR" { |
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326 |
return(PARS_FOR_TOKEN); |
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327 |
}
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328 |
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329 |
"READ" { |
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330 |
return(PARS_READ_TOKEN); |
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331 |
}
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332 |
||
333 |
"ORDER" { |
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334 |
return(PARS_ORDER_TOKEN); |
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335 |
}
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336 |
||
337 |
"BY" { |
|
338 |
return(PARS_BY_TOKEN); |
|
339 |
}
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340 |
||
341 |
"ASC" { |
|
342 |
return(PARS_ASC_TOKEN); |
|
343 |
}
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344 |
||
345 |
"DESC" { |
|
346 |
return(PARS_DESC_TOKEN); |
|
347 |
}
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|
348 |
||
349 |
"INSERT" { |
|
350 |
return(PARS_INSERT_TOKEN); |
|
351 |
}
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352 |
||
353 |
"INTO" { |
|
354 |
return(PARS_INTO_TOKEN); |
|
355 |
}
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|
356 |
||
357 |
"VALUES" { |
|
358 |
return(PARS_VALUES_TOKEN); |
|
359 |
}
|
|
360 |
||
361 |
"UPDATE" { |
|
362 |
return(PARS_UPDATE_TOKEN); |
|
363 |
}
|
|
364 |
||
365 |
"SET" { |
|
366 |
return(PARS_SET_TOKEN); |
|
367 |
}
|
|
368 |
||
369 |
"DELETE" { |
|
370 |
return(PARS_DELETE_TOKEN); |
|
371 |
}
|
|
372 |
||
373 |
"CURRENT" { |
|
374 |
return(PARS_CURRENT_TOKEN); |
|
375 |
}
|
|
376 |
||
377 |
"OF" { |
|
378 |
return(PARS_OF_TOKEN); |
|
379 |
}
|
|
380 |
||
381 |
"CREATE" { |
|
382 |
return(PARS_CREATE_TOKEN); |
|
383 |
}
|
|
384 |
||
385 |
"TABLE" { |
|
386 |
return(PARS_TABLE_TOKEN); |
|
387 |
}
|
|
388 |
||
389 |
"INDEX" { |
|
390 |
return(PARS_INDEX_TOKEN); |
|
391 |
}
|
|
392 |
||
393 |
"UNIQUE" { |
|
394 |
return(PARS_UNIQUE_TOKEN); |
|
395 |
}
|
|
396 |
||
397 |
"CLUSTERED" { |
|
398 |
return(PARS_CLUSTERED_TOKEN); |
|
399 |
}
|
|
400 |
||
401 |
"DOES_NOT_FIT_IN_MEMORY" { |
|
402 |
return(PARS_DOES_NOT_FIT_IN_MEM_TOKEN); |
|
403 |
}
|
|
404 |
||
405 |
"ON" { |
|
406 |
return(PARS_ON_TOKEN); |
|
407 |
}
|
|
408 |
||
409 |
"DECLARE" { |
|
410 |
return(PARS_DECLARE_TOKEN); |
|
411 |
}
|
|
412 |
||
413 |
"CURSOR" { |
|
414 |
return(PARS_CURSOR_TOKEN); |
|
415 |
}
|
|
416 |
||
417 |
"OPEN" { |
|
418 |
return(PARS_OPEN_TOKEN); |
|
419 |
}
|
|
420 |
||
421 |
"FETCH" { |
|
422 |
return(PARS_FETCH_TOKEN); |
|
423 |
}
|
|
424 |
||
425 |
"CLOSE" { |
|
426 |
return(PARS_CLOSE_TOKEN); |
|
427 |
}
|
|
428 |
||
429 |
"NOTFOUND" { |
|
430 |
return(PARS_NOTFOUND_TOKEN); |
|
431 |
}
|
|
432 |
||
433 |
"TO_CHAR" { |
|
434 |
return(PARS_TO_CHAR_TOKEN); |
|
435 |
}
|
|
436 |
||
437 |
"TO_NUMBER" { |
|
438 |
return(PARS_TO_NUMBER_TOKEN); |
|
439 |
}
|
|
440 |
||
441 |
"TO_BINARY" { |
|
442 |
return(PARS_TO_BINARY_TOKEN); |
|
443 |
}
|
|
444 |
||
445 |
"BINARY_TO_NUMBER" { |
|
446 |
return(PARS_BINARY_TO_NUMBER_TOKEN); |
|
447 |
}
|
|
448 |
||
449 |
"SUBSTR" { |
|
450 |
return(PARS_SUBSTR_TOKEN); |
|
451 |
}
|
|
452 |
||
453 |
"REPLSTR" { |
|
454 |
return(PARS_REPLSTR_TOKEN); |
|
455 |
}
|
|
456 |
||
457 |
"CONCAT" { |
|
458 |
return(PARS_CONCAT_TOKEN); |
|
459 |
}
|
|
460 |
||
461 |
"INSTR" { |
|
462 |
return(PARS_INSTR_TOKEN); |
|
463 |
}
|
|
464 |
||
465 |
"LENGTH" { |
|
466 |
return(PARS_LENGTH_TOKEN); |
|
467 |
}
|
|
468 |
||
469 |
"SYSDATE" { |
|
470 |
return(PARS_SYSDATE_TOKEN); |
|
471 |
}
|
|
472 |
||
473 |
"PRINTF" { |
|
474 |
return(PARS_PRINTF_TOKEN); |
|
475 |
}
|
|
476 |
||
477 |
"ASSERT" { |
|
478 |
return(PARS_ASSERT_TOKEN); |
|
479 |
}
|
|
480 |
||
481 |
"RND" { |
|
482 |
return(PARS_RND_TOKEN); |
|
483 |
}
|
|
484 |
||
485 |
"RND_STR" { |
|
486 |
return(PARS_RND_STR_TOKEN); |
|
487 |
}
|
|
488 |
||
489 |
"ROW_PRINTF" { |
|
490 |
return(PARS_ROW_PRINTF_TOKEN); |
|
491 |
}
|
|
492 |
||
493 |
"COMMIT" { |
|
494 |
return(PARS_COMMIT_TOKEN); |
|
495 |
}
|
|
496 |
||
497 |
"ROLLBACK" { |
|
498 |
return(PARS_ROLLBACK_TOKEN); |
|
499 |
}
|
|
500 |
||
501 |
"WORK" { |
|
502 |
return(PARS_WORK_TOKEN); |
|
503 |
}
|
|
504 |
||
505 |
"UNSIGNED" { |
|
506 |
return(PARS_UNSIGNED_TOKEN); |
|
507 |
}
|
|
508 |
||
509 |
"EXIT" { |
|
510 |
return(PARS_EXIT_TOKEN); |
|
511 |
}
|
|
512 |
||
513 |
"FUNCTION" { |
|
514 |
return(PARS_FUNCTION_TOKEN); |
|
515 |
}
|
|
516 |
||
517 |
"LOCK" { |
|
518 |
return(PARS_LOCK_TOKEN); |
|
519 |
}
|
|
520 |
||
521 |
"SHARE" { |
|
522 |
return(PARS_SHARE_TOKEN); |
|
523 |
}
|
|
524 |
||
525 |
"MODE" { |
|
526 |
return(PARS_MODE_TOKEN); |
|
527 |
}
|
|
528 |
||
529 |
{ID} { |
|
530 |
yylval = sym_tab_add_id(pars_sym_tab_global, |
|
531 |
(byte*)yytext, |
|
532 |
ut_strlen(yytext)); |
|
533 |
return(PARS_ID_TOKEN); |
|
534 |
}
|
|
535 |
||
536 |
".." { |
|
537 |
return(PARS_DDOT_TOKEN); |
|
538 |
}
|
|
539 |
||
540 |
":=" { |
|
541 |
return(PARS_ASSIGN_TOKEN); |
|
542 |
}
|
|
543 |
||
544 |
"<=" { |
|
545 |
return(PARS_LE_TOKEN); |
|
546 |
}
|
|
547 |
||
548 |
">=" { |
|
549 |
return(PARS_GE_TOKEN); |
|
550 |
}
|
|
551 |
||
552 |
"<>" { |
|
553 |
return(PARS_NE_TOKEN); |
|
554 |
}
|
|
555 |
||
556 |
"(" { |
|
557 |
||
558 |
return((int)(*yytext)); |
|
559 |
}
|
|
560 |
||
561 |
"=" { |
|
562 |
||
563 |
return((int)(*yytext)); |
|
564 |
}
|
|
565 |
||
566 |
">" { |
|
567 |
||
568 |
return((int)(*yytext)); |
|
569 |
}
|
|
570 |
||
571 |
"<" { |
|
572 |
||
573 |
return((int)(*yytext)); |
|
574 |
}
|
|
575 |
||
576 |
"," { |
|
577 |
||
578 |
return((int)(*yytext)); |
|
579 |
}
|
|
580 |
||
581 |
";" { |
|
582 |
||
583 |
return((int)(*yytext)); |
|
584 |
}
|
|
585 |
||
586 |
")" { |
|
587 |
||
588 |
return((int)(*yytext)); |
|
589 |
}
|
|
590 |
||
591 |
"+" { |
|
592 |
||
593 |
return((int)(*yytext)); |
|
594 |
}
|
|
595 |
||
596 |
"-" { |
|
597 |
||
598 |
return((int)(*yytext)); |
|
599 |
}
|
|
600 |
||
601 |
"*" { |
|
602 |
||
603 |
return((int)(*yytext)); |
|
604 |
}
|
|
605 |
||
606 |
"/" { |
|
607 |
||
608 |
return((int)(*yytext)); |
|
609 |
}
|
|
610 |
||
611 |
"%" { |
|
612 |
||
613 |
return((int)(*yytext)); |
|
614 |
}
|
|
615 |
||
616 |
"{" { |
|
617 |
||
618 |
return((int)(*yytext)); |
|
619 |
}
|
|
620 |
||
621 |
"}" { |
|
622 |
||
623 |
return((int)(*yytext)); |
|
624 |
}
|
|
625 |
||
626 |
"?" { |
|
627 |
||
628 |
return((int)(*yytext)); |
|
629 |
}
|
|
630 |
||
631 |
"/*" BEGIN(comment); /* eat up comment */ |
|
632 |
||
633 |
<comment>[^*]* |
|
634 |
<comment>"*"+[^*/]* |
|
635 |
<comment>"*"+"/" BEGIN(INITIAL); |
|
636 |
||
637 |
[ \t\n]+ /* eat up whitespace */ |
|
638 |
||
639 |
||
640 |
. { |
|
641 |
fprintf(stderr,"Unrecognized character: %02x\n", |
|
642 |
*yytext); |
|
643 |
||
644 |
ut_error; |
|
645 |
||
646 |
return(0); |
|
647 |
}
|
|
648 |
||
649 |
%%
|
|
|
1819.5.106
by stewart at flamingspork
[patch 106/129] Merge patch for revision 1915 from InnoDB SVN: |
650 |
|
|
1819.5.132
by Stewart Smith
Flex on CentOS is really old - so we provide a wrapper for yylex_destroy() as it's defined in Flex 2.5.9 and later |
651 |
/* yylex_destroy() is not defined before Flex 2.5.9
|
652 |
so we attempt to define something that should be good enough
|
|
653 |
for old Flex - such as that found on CentOS 5
|
|
654 |
*/
|
|
655 |
#if !defined(YY_FLEX_MAJOR_VERSION) || YY_FLEX_MAJOR_VERSION < 2 \ |
|
656 |
|| (YY_FLEX_MAJOR_VERSION == 2 \ |
|
657 |
&& (!defined(YY_FLEX_MINOR_VERSION) || YY_FLEX_MINOR_VERSION < 5 \ |
|
658 |
|| (YY_FLEX_MINOR_VERSION == 5 \ |
|
659 |
&& (!defined(YY_FLEX_SUBMINOR_VERSION) \ |
|
660 |
|| YY_FLEX_SUBMINOR_VERSION < 9)))) |
|
661 |
# define yylex_destroy() yy_delete_buffer(YY_CURRENT_BUFFER) |
|
662 |
#endif
|
|
663 |
||
|
1819.5.106
by stewart at flamingspork
[patch 106/129] Merge patch for revision 1915 from InnoDB SVN: |
664 |
/**********************************************************************
|
665 |
Release any resources used by the lexer. */
|
|
666 |
UNIV_INTERN |
|
667 |
void |
|
668 |
pars_lexer_close(void) |
|
669 |
/*==================*/
|
|
670 |
{
|
|
671 |
yylex_destroy(); |
|
672 |
free(stringbuf); |
|
673 |
stringbuf = NULL; |
|
674 |
stringbuf_len_alloc = stringbuf_len = 0; |
|
675 |
}
|