mirror of
https://github.com/php/php-src.git
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227 lines
5.7 KiB
C
227 lines
5.7 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 5 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2014 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP 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.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP 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@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author: Andrei Zmievski <andrei@php.net> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "php.h"
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#include "php_ini.h"
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#include "ext/standard/info.h"
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#include "php_tokenizer.h"
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#include "zend.h"
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#include "zend_language_scanner.h"
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#include "zend_language_scanner_defs.h"
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#include <zend_language_parser.h>
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#define zendtext LANG_SCNG(yy_text)
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#define zendleng LANG_SCNG(yy_leng)
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#define zendcursor LANG_SCNG(yy_cursor)
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#define zendlimit LANG_SCNG(yy_limit)
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/* {{{ arginfo */
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ZEND_BEGIN_ARG_INFO_EX(arginfo_token_get_all, 0, 0, 1)
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ZEND_ARG_INFO(0, source)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_token_name, 0, 0, 1)
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ZEND_ARG_INFO(0, token)
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ZEND_END_ARG_INFO()
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/* }}} */
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/* {{{ tokenizer_functions[]
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*
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* Every user visible function must have an entry in tokenizer_functions[].
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*/
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const zend_function_entry tokenizer_functions[] = {
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PHP_FE(token_get_all, arginfo_token_get_all)
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PHP_FE(token_name, arginfo_token_name)
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PHP_FE_END
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};
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/* }}} */
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/* {{{ tokenizer_module_entry
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*/
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zend_module_entry tokenizer_module_entry = {
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#if ZEND_MODULE_API_NO >= 20010901
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STANDARD_MODULE_HEADER,
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#endif
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"tokenizer",
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tokenizer_functions,
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PHP_MINIT(tokenizer),
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NULL,
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NULL,
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NULL,
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PHP_MINFO(tokenizer),
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#if ZEND_MODULE_API_NO >= 20010901
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"0.1", /* Replace with version number for your extension */
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#endif
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STANDARD_MODULE_PROPERTIES
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};
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/* }}} */
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#ifdef COMPILE_DL_TOKENIZER
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ZEND_GET_MODULE(tokenizer)
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#endif
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/* {{{ PHP_MINIT_FUNCTION
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*/
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PHP_MINIT_FUNCTION(tokenizer)
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{
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tokenizer_register_constants(INIT_FUNC_ARGS_PASSTHRU);
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return SUCCESS;
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}
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/* }}} */
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/* {{{ PHP_MINFO_FUNCTION
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*/
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PHP_MINFO_FUNCTION(tokenizer)
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{
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php_info_print_table_start();
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php_info_print_table_row(2, "Tokenizer Support", "enabled");
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php_info_print_table_end();
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}
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/* }}} */
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static void tokenize(zval *return_value TSRMLS_DC)
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{
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zval token;
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zval keyword;
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int token_type;
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zend_bool destroy;
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int token_line = 1;
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int need_tokens = -1; // for __halt_compiler lexing. -1 = disabled
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array_init(return_value);
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ZVAL_NULL(&token);
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while ((token_type = lex_scan(&token TSRMLS_CC))) {
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destroy = 1;
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switch (token_type) {
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case T_CLOSE_TAG:
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if (zendtext[zendleng - 1] != '>') {
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CG(zend_lineno)++;
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}
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case T_OPEN_TAG:
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case T_OPEN_TAG_WITH_ECHO:
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case T_WHITESPACE:
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case T_COMMENT:
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case T_DOC_COMMENT:
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destroy = 0;
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break;
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}
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if (token_type >= 256) {
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array_init(&keyword);
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add_next_index_long(&keyword, token_type);
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if (token_type == T_END_HEREDOC) {
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if (CG(increment_lineno)) {
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token_line = ++CG(zend_lineno);
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CG(increment_lineno) = 0;
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}
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}
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add_next_index_stringl(&keyword, (char *)zendtext, zendleng);
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add_next_index_long(&keyword, token_line);
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add_next_index_zval(return_value, &keyword);
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} else {
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add_next_index_stringl(return_value, (char *)zendtext, zendleng);
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}
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if (destroy && Z_TYPE(token) != IS_NULL) {
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zval_dtor(&token);
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}
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ZVAL_NULL(&token);
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// after T_HALT_COMPILER collect the next three non-dropped tokens
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if (need_tokens != -1) {
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if (token_type != T_WHITESPACE && token_type != T_OPEN_TAG
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&& token_type != T_COMMENT && token_type != T_DOC_COMMENT
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&& --need_tokens == 0
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) {
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// fetch the rest into a T_INLINE_HTML
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if (zendcursor != zendlimit) {
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array_init(&keyword);
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add_next_index_long(&keyword, T_INLINE_HTML);
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add_next_index_stringl(&keyword, (char *)zendcursor, zendlimit - zendcursor);
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add_next_index_long(&keyword, token_line);
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add_next_index_zval(return_value, &keyword);
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}
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break;
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}
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} else if (token_type == T_HALT_COMPILER) {
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need_tokens = 3;
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}
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token_line = CG(zend_lineno);
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}
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}
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/* {{{ proto array token_get_all(string source)
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*/
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PHP_FUNCTION(token_get_all)
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{
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zend_string *source;
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zval source_zval;
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zend_lex_state original_lex_state;
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if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "S", &source) == FAILURE) {
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return;
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}
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ZVAL_STR(&source_zval, STR_COPY(source));
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zend_save_lexical_state(&original_lex_state TSRMLS_CC);
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if (zend_prepare_string_for_scanning(&source_zval, "" TSRMLS_CC) == FAILURE) {
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zend_restore_lexical_state(&original_lex_state TSRMLS_CC);
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RETURN_FALSE;
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}
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LANG_SCNG(yy_state) = yycINITIAL;
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tokenize(return_value TSRMLS_CC);
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zend_restore_lexical_state(&original_lex_state TSRMLS_CC);
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zval_dtor(&source_zval);
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}
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/* }}} */
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/* {{{ proto string token_name(int type)
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*/
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PHP_FUNCTION(token_name)
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{
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long type;
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if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &type) == FAILURE) {
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return;
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}
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RETVAL_STRING(get_token_type_name(type));
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}
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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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* End:
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* vim600: noet sw=4 ts=4 fdm=marker
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* vim<600: noet sw=4 ts=4
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*/
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