mirror of
https://github.com/php/php-src.git
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240 lines
6.2 KiB
Plaintext
240 lines
6.2 KiB
Plaintext
%{
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/*
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+----------------------------------------------------------------------+
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| Zend Engine |
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+----------------------------------------------------------------------+
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| Copyright (c) 1998-2004 Zend Technologies Ltd. (http://www.zend.com) |
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+----------------------------------------------------------------------+
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| This source file is subject to version 2.00 of the Zend license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.zend.com/license/2_00.txt. |
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| If you did not receive a copy of the Zend license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@zend.com so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author: Zeev Suraski <zeev@zend.com> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#define DEBUG_CFG_PARSER 0
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#include "zend.h"
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#include "zend_API.h"
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#include "zend_ini.h"
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#include "zend_constants.h"
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#include "zend_ini_scanner.h"
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#include "zend_extensions.h"
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#define YYSTYPE zval
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#ifdef ZTS
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#define YYPARSE_PARAM tsrm_ls
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#define YYLEX_PARAM tsrm_ls
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#endif
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#define ZEND_INI_PARSER_CB (CG(ini_parser_param))->ini_parser_cb
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#define ZEND_INI_PARSER_ARG (CG(ini_parser_param))->arg
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int ini_lex(zval *ini_lval TSRMLS_DC);
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#ifdef ZTS
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int ini_parse(void *arg);
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#else
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int ini_parse(void);
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#endif
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zval yylval;
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#ifndef ZTS
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extern int ini_lex(zval *ini_lval TSRMLS_DC);
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extern FILE *ini_in;
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extern void init_cfg_scanner(void);
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#endif
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void zend_ini_do_op(char type, zval *result, zval *op1, zval *op2)
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{
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int i_result;
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int i_op1, i_op2;
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char str_result[MAX_LENGTH_OF_LONG];
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i_op1 = atoi(op1->value.str.val);
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free(op1->value.str.val);
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if (op2) {
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i_op2 = atoi(op2->value.str.val);
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free(op2->value.str.val);
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} else {
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i_op2 = 0;
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}
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switch (type) {
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case '|':
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i_result = i_op1 | i_op2;
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break;
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case '&':
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i_result = i_op1 & i_op2;
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break;
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case '~':
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i_result = ~i_op1;
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break;
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case '!':
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i_result = !i_op1;
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break;
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default:
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i_result = 0;
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break;
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}
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result->value.str.len = zend_sprintf(str_result, "%d", i_result);
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result->value.str.val = (char *) malloc(result->value.str.len+1);
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memcpy(result->value.str.val, str_result, result->value.str.len);
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result->value.str.val[result->value.str.len] = 0;
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result->type = IS_STRING;
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}
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void zend_ini_get_constant(zval *result, zval *name)
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{
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zval z_constant;
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TSRMLS_FETCH();
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if (!memchr(name->value.str.val, ':', name->value.str.len)
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&& zend_get_constant(name->value.str.val, name->value.str.len, &z_constant TSRMLS_CC)) {
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/* z_constant is emalloc()'d */
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convert_to_string(&z_constant);
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result->value.str.val = zend_strndup(z_constant.value.str.val, z_constant.value.str.len);
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result->value.str.len = z_constant.value.str.len;
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result->type = z_constant.type;
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zval_dtor(&z_constant);
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free(name->value.str.val);
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} else {
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*result = *name;
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}
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}
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static void ini_error(char *str)
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{
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char *error_buf;
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int error_buf_len;
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char *currently_parsed_filename;
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TSRMLS_FETCH();
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currently_parsed_filename = zend_ini_scanner_get_filename(TSRMLS_C);
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error_buf_len = 128+strlen(currently_parsed_filename); /* should be more than enough */
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error_buf = (char *) emalloc(error_buf_len);
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sprintf(error_buf, "Error parsing %s on line %d\n", currently_parsed_filename, zend_ini_scanner_get_lineno(TSRMLS_C));
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if (CG(ini_parser_unbuffered_errors)) {
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#ifdef PHP_WIN32
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MessageBox(NULL, error_buf, "PHP Error", MB_OK|MB_TOPMOST|0x00200000L);
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#else
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fprintf(stderr, "PHP: %s", error_buf);
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#endif
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} else {
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zend_error(E_WARNING, "%s", error_buf);
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}
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efree(error_buf);
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}
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int zend_parse_ini_file(zend_file_handle *fh, zend_bool unbuffered_errors, zend_ini_parser_cb_t ini_parser_cb, void *arg)
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{
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int retval;
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zend_ini_parser_param ini_parser_param;
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TSRMLS_FETCH();
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ini_parser_param.ini_parser_cb = ini_parser_cb;
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ini_parser_param.arg = arg;
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CG(ini_parser_param) = &ini_parser_param;
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if (zend_ini_open_file_for_scanning(fh TSRMLS_CC)==FAILURE) {
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return FAILURE;
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}
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CG(ini_parser_unbuffered_errors) = unbuffered_errors;
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retval = ini_parse(TSRMLS_C);
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zend_ini_close_file(fh TSRMLS_CC);
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if (retval==0) {
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return SUCCESS;
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} else {
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return FAILURE;
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}
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}
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%}
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%pure_parser
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%token TC_STRING
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%token TC_ENCAPSULATED_STRING
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%token BRACK
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%token SECTION
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%token CFG_TRUE
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%token CFG_FALSE
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%left '|' '&'
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%right '~' '!'
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%%
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statement_list:
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statement_list statement
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| /* empty */
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;
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statement:
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TC_STRING '=' string_or_value {
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#if DEBUG_CFG_PARSER
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printf("'%s' = '%s'\n", $1.value.str.val, $3.value.str.val);
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#endif
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ZEND_INI_PARSER_CB(&$1, &$3, ZEND_INI_PARSER_ENTRY, ZEND_INI_PARSER_ARG);
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free($1.value.str.val);
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free($3.value.str.val);
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}
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| TC_STRING BRACK '=' string_or_value {
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#if DEBUG_CFG_PARSER
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printf("'%s'[ ] = '%s'\n", $1.value.str.val, $4.value.str.val);
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#endif
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ZEND_INI_PARSER_CB(&$1, &$4, ZEND_INI_PARSER_POP_ENTRY, ZEND_INI_PARSER_ARG);
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free($1.value.str.val);
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free($4.value.str.val);
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}
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| TC_STRING { ZEND_INI_PARSER_CB(&$1, NULL, ZEND_INI_PARSER_ENTRY, ZEND_INI_PARSER_ARG); free($1.value.str.val); }
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| SECTION { ZEND_INI_PARSER_CB(&$1, NULL, ZEND_INI_PARSER_SECTION, ZEND_INI_PARSER_ARG); free($1.value.str.val); }
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| '\n'
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;
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string_or_value:
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expr { $$ = $1; }
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| TC_ENCAPSULATED_STRING { $$ = $1; }
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| CFG_TRUE { $$ = $1; }
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| CFG_FALSE { $$ = $1; }
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| '\n' { $$.value.str.val = strdup(""); $$.value.str.len=0; $$.type = IS_STRING; }
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| /* empty */ { $$.value.str.val = strdup(""); $$.value.str.len=0; $$.type = IS_STRING; }
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;
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expr:
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constant_string { $$ = $1; }
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| expr '|' expr { zend_ini_do_op('|', &$$, &$1, &$3); }
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| expr '&' expr { zend_ini_do_op('&', &$$, &$1, &$3); }
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| '~' expr { zend_ini_do_op('~', &$$, &$2, NULL); }
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| '!' expr { zend_ini_do_op('!', &$$, &$2, NULL); }
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| '(' expr ')' { $$ = $2; }
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;
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constant_string:
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TC_STRING { zend_ini_get_constant(&$$, &$1); }
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;
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* indent-tabs-mode: t
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* End:
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*/
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