mirror of
https://github.com/php/php-src.git
synced 2024-09-22 02:17:32 +00:00
59848e3fbb
As far as I can discern these are leftovers of the interactive shell implementation that was used before PHP 5.4. Now the readline ext makes use of normal eval calls for this. So, dropping these until there is evidence to the contrary, as they currently wouldn't work anyway.
857 lines
25 KiB
C
857 lines
25 KiB
C
/*
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+----------------------------------------------------------------------+
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| Zend Engine |
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+----------------------------------------------------------------------+
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| Copyright (c) 1998-2014 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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| Authors: Andi Gutmans <andi@zend.com> |
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| Zeev Suraski <zeev@zend.com> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#include <stdio.h>
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#include "zend.h"
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#include "zend_alloc.h"
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#include "zend_compile.h"
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#include "zend_extensions.h"
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#include "zend_API.h"
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#include "zend_vm.h"
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static void zend_extension_op_array_ctor_handler(zend_extension *extension, zend_op_array *op_array TSRMLS_DC)
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{
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if (extension->op_array_ctor) {
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extension->op_array_ctor(op_array);
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}
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}
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static void zend_extension_op_array_dtor_handler(zend_extension *extension, zend_op_array *op_array TSRMLS_DC)
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{
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if (extension->op_array_dtor) {
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extension->op_array_dtor(op_array);
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}
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}
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static void op_array_alloc_ops(zend_op_array *op_array, uint32_t size)
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{
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op_array->opcodes = erealloc(op_array->opcodes, size * sizeof(zend_op));
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}
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void init_op_array(zend_op_array *op_array, zend_uchar type, int initial_ops_size TSRMLS_DC)
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{
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op_array->type = type;
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op_array->refcount = (uint32_t *) emalloc(sizeof(uint32_t));
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*op_array->refcount = 1;
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op_array->last = 0;
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op_array->opcodes = NULL;
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op_array_alloc_ops(op_array, initial_ops_size);
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op_array->last_var = 0;
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op_array->vars = NULL;
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op_array->T = 0;
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op_array->function_name = NULL;
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op_array->filename = zend_get_compiled_filename(TSRMLS_C);
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op_array->doc_comment = NULL;
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op_array->arg_info = NULL;
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op_array->num_args = 0;
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op_array->required_num_args = 0;
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op_array->scope = NULL;
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op_array->prototype = NULL;
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op_array->brk_cont_array = NULL;
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op_array->try_catch_array = NULL;
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op_array->last_brk_cont = 0;
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op_array->static_variables = NULL;
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op_array->last_try_catch = 0;
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op_array->has_finally_block = 0;
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op_array->this_var = -1;
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op_array->fn_flags = 0;
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op_array->early_binding = -1;
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op_array->last_literal = 0;
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op_array->literals = NULL;
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op_array->run_time_cache = NULL;
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op_array->last_cache_slot = 0;
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memset(op_array->reserved, 0, ZEND_MAX_RESERVED_RESOURCES * sizeof(void*));
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zend_llist_apply_with_argument(&zend_extensions, (llist_apply_with_arg_func_t) zend_extension_op_array_ctor_handler, op_array TSRMLS_CC);
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}
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ZEND_API void destroy_zend_function(zend_function *function TSRMLS_DC)
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{
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switch (function->type) {
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case ZEND_USER_FUNCTION:
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destroy_op_array((zend_op_array *) function TSRMLS_CC);
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break;
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case ZEND_INTERNAL_FUNCTION:
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if (function->common.function_name) {
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zend_string_release(function->common.function_name);
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}
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/* do nothing */
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break;
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}
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}
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ZEND_API void zend_function_dtor(zval *zv)
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{
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zend_function *function = Z_PTR_P(zv);
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TSRMLS_FETCH();
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destroy_zend_function(function TSRMLS_CC);
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if (function->type == ZEND_INTERNAL_FUNCTION) {
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pefree(function, 1);
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} else if (!function->common.function_name) {
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efree(function);
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}
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}
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ZEND_API void zend_cleanup_op_array_data(zend_op_array *op_array)
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{
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if (op_array->static_variables) {
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zend_hash_clean(op_array->static_variables);
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}
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}
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ZEND_API void zend_cleanup_user_class_data(zend_class_entry *ce TSRMLS_DC)
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{
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/* Clean all parts that can contain run-time data */
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/* Note that only run-time accessed data need to be cleaned up, pre-defined data can
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not contain objects and thus are not probelmatic */
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if (ce->ce_flags & ZEND_HAS_STATIC_IN_METHODS) {
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zend_function *func;
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ZEND_HASH_FOREACH_PTR(&ce->function_table, func) {
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if (func->type == ZEND_USER_FUNCTION) {
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zend_cleanup_op_array_data((zend_op_array *) func);
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}
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} ZEND_HASH_FOREACH_END();
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}
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if (ce->static_members_table) {
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int i;
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for (i = 0; i < ce->default_static_members_count; i++) {
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if (Z_TYPE(ce->static_members_table[i]) != IS_UNDEF) {
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zval tmp;
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ZVAL_COPY_VALUE(&tmp, &ce->static_members_table[i]);
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ZVAL_UNDEF(&ce->static_members_table[i]);
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zval_ptr_dtor(&tmp);
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}
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}
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ce->static_members_table = NULL;
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}
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}
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ZEND_API void zend_cleanup_internal_class_data(zend_class_entry *ce TSRMLS_DC)
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{
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if (CE_STATIC_MEMBERS(ce)) {
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int i;
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for (i = 0; i < ce->default_static_members_count; i++) {
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zval_ptr_dtor(&CE_STATIC_MEMBERS(ce)[i]);
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}
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efree(CE_STATIC_MEMBERS(ce));
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#ifdef ZTS
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CG(static_members_table)[(zend_intptr_t)(ce->static_members_table)] = NULL;
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#else
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ce->static_members_table = NULL;
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#endif
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}
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}
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void _destroy_zend_class_traits_info(zend_class_entry *ce)
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{
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if (ce->num_traits > 0 && ce->traits) {
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efree(ce->traits);
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}
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if (ce->trait_aliases) {
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size_t i = 0;
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while (ce->trait_aliases[i]) {
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if (ce->trait_aliases[i]->trait_method) {
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if (ce->trait_aliases[i]->trait_method->method_name) {
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zend_string_release(ce->trait_aliases[i]->trait_method->method_name);
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}
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if (ce->trait_aliases[i]->trait_method->class_name) {
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zend_string_release(ce->trait_aliases[i]->trait_method->class_name);
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}
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efree(ce->trait_aliases[i]->trait_method);
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}
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if (ce->trait_aliases[i]->alias) {
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zend_string_release(ce->trait_aliases[i]->alias);
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}
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efree(ce->trait_aliases[i]);
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i++;
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}
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efree(ce->trait_aliases);
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}
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if (ce->trait_precedences) {
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size_t i = 0;
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while (ce->trait_precedences[i]) {
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zend_string_release(ce->trait_precedences[i]->trait_method->method_name);
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zend_string_release(ce->trait_precedences[i]->trait_method->class_name);
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efree(ce->trait_precedences[i]->trait_method);
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if (ce->trait_precedences[i]->exclude_from_classes) {
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efree(ce->trait_precedences[i]->exclude_from_classes);
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}
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efree(ce->trait_precedences[i]);
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i++;
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}
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efree(ce->trait_precedences);
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}
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}
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ZEND_API void destroy_zend_class(zval *zv)
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{
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zend_class_entry *ce = Z_PTR_P(zv);
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if (--ce->refcount > 0) {
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return;
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}
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switch (ce->type) {
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case ZEND_USER_CLASS:
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if (ce->default_properties_table) {
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int i;
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for (i = 0; i < ce->default_properties_count; i++) {
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if (Z_TYPE(ce->default_properties_table[i]) != IS_UNDEF) {
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zval_ptr_dtor(&ce->default_properties_table[i]);
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}
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}
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efree(ce->default_properties_table);
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}
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if (ce->default_static_members_table) {
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int i;
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for (i = 0; i < ce->default_static_members_count; i++) {
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if (Z_TYPE(ce->default_static_members_table[i]) != IS_UNDEF) {
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zval_ptr_dtor(&ce->default_static_members_table[i]);
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}
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}
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efree(ce->default_static_members_table);
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}
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zend_hash_destroy(&ce->properties_info);
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zend_string_release(ce->name);
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zend_hash_destroy(&ce->function_table);
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zend_hash_destroy(&ce->constants_table);
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if (ce->num_interfaces > 0 && ce->interfaces) {
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efree(ce->interfaces);
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}
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if (ce->info.user.doc_comment) {
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zend_string_release(ce->info.user.doc_comment);
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}
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_destroy_zend_class_traits_info(ce);
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break;
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case ZEND_INTERNAL_CLASS:
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if (ce->default_properties_table) {
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int i;
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for (i = 0; i < ce->default_properties_count; i++) {
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if (Z_TYPE(ce->default_properties_table[i]) != IS_UNDEF) {
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zval_internal_ptr_dtor(&ce->default_properties_table[i]);
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}
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}
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free(ce->default_properties_table);
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}
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if (ce->default_static_members_table) {
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int i;
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for (i = 0; i < ce->default_static_members_count; i++) {
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zval_internal_ptr_dtor(&ce->default_static_members_table[i]);
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}
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free(ce->default_static_members_table);
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}
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zend_hash_destroy(&ce->properties_info);
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zend_string_release(ce->name);
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zend_hash_destroy(&ce->function_table);
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zend_hash_destroy(&ce->constants_table);
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if (ce->num_interfaces > 0) {
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free(ce->interfaces);
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}
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free(ce);
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break;
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}
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}
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void zend_class_add_ref(zval *zv)
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{
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zend_class_entry *ce = Z_PTR_P(zv);
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ce->refcount++;
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}
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ZEND_API void destroy_op_array(zend_op_array *op_array TSRMLS_DC)
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{
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zval *literal = op_array->literals;
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zval *end;
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uint32_t i;
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if (op_array->static_variables) {
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zend_hash_destroy(op_array->static_variables);
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FREE_HASHTABLE(op_array->static_variables);
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}
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if (op_array->run_time_cache && !op_array->function_name) {
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efree(op_array->run_time_cache);
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}
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if (--(*op_array->refcount)>0) {
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return;
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}
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efree(op_array->refcount);
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if (op_array->vars) {
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i = op_array->last_var;
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while (i > 0) {
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i--;
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zend_string_release(op_array->vars[i]);
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}
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efree(op_array->vars);
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}
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if (literal) {
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end = literal + op_array->last_literal;
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while (literal < end) {
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zval_dtor(literal);
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literal++;
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}
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efree(op_array->literals);
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}
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efree(op_array->opcodes);
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if (op_array->function_name) {
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zend_string_release(op_array->function_name);
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}
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if (op_array->doc_comment) {
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zend_string_release(op_array->doc_comment);
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}
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if (op_array->brk_cont_array) {
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efree(op_array->brk_cont_array);
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}
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if (op_array->try_catch_array) {
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efree(op_array->try_catch_array);
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}
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if (op_array->fn_flags & ZEND_ACC_DONE_PASS_TWO) {
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zend_llist_apply_with_argument(&zend_extensions, (llist_apply_with_arg_func_t) zend_extension_op_array_dtor_handler, op_array TSRMLS_CC);
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}
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if (op_array->arg_info) {
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for (i=0; i<op_array->num_args; i++) {
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efree((char*)op_array->arg_info[i].name);
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if (op_array->arg_info[i].class_name) {
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efree((char*)op_array->arg_info[i].class_name);
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}
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}
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efree(op_array->arg_info);
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}
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}
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void init_op(zend_op *op TSRMLS_DC)
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{
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memset(op, 0, sizeof(zend_op));
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op->lineno = CG(zend_lineno);
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SET_UNUSED(op->result);
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}
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zend_op *get_next_op(zend_op_array *op_array TSRMLS_DC)
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{
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uint32_t next_op_num = op_array->last++;
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zend_op *next_op;
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if (next_op_num >= CG(context).opcodes_size) {
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CG(context).opcodes_size *= 4;
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op_array_alloc_ops(op_array, CG(context).opcodes_size);
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}
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next_op = &(op_array->opcodes[next_op_num]);
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init_op(next_op TSRMLS_CC);
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return next_op;
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}
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int get_next_op_number(zend_op_array *op_array)
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{
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return op_array->last;
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}
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zend_brk_cont_element *get_next_brk_cont_element(zend_op_array *op_array)
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{
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op_array->last_brk_cont++;
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op_array->brk_cont_array = erealloc(op_array->brk_cont_array, sizeof(zend_brk_cont_element)*op_array->last_brk_cont);
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return &op_array->brk_cont_array[op_array->last_brk_cont-1];
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}
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static void zend_update_extended_info(zend_op_array *op_array TSRMLS_DC)
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{
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zend_op *opline = op_array->opcodes, *end=opline+op_array->last;
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while (opline<end) {
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if (opline->opcode == ZEND_EXT_STMT) {
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if (opline+1<end) {
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if ((opline+1)->opcode == ZEND_EXT_STMT) {
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opline->opcode = ZEND_NOP;
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opline++;
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continue;
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}
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if (opline+1<end) {
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opline->lineno = (opline+1)->lineno;
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}
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} else {
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opline->opcode = ZEND_NOP;
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}
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}
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opline++;
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}
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}
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static void zend_extension_op_array_handler(zend_extension *extension, zend_op_array *op_array TSRMLS_DC)
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{
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if (extension->op_array_handler) {
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extension->op_array_handler(op_array);
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}
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}
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static void zend_check_finally_breakout(zend_op_array *op_array, uint32_t op_num, uint32_t dst_num TSRMLS_DC)
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{
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uint32_t i;
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for (i = 0; i < op_array->last_try_catch; i++) {
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if ((op_num < op_array->try_catch_array[i].finally_op ||
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op_num >= op_array->try_catch_array[i].finally_end)
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&& (dst_num >= op_array->try_catch_array[i].finally_op &&
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dst_num <= op_array->try_catch_array[i].finally_end)) {
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CG(in_compilation) = 1;
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CG(active_op_array) = op_array;
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CG(zend_lineno) = op_array->opcodes[op_num].lineno;
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zend_error_noreturn(E_COMPILE_ERROR, "jump into a finally block is disallowed");
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} else if ((op_num >= op_array->try_catch_array[i].finally_op
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&& op_num <= op_array->try_catch_array[i].finally_end)
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&& (dst_num > op_array->try_catch_array[i].finally_end
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|| dst_num < op_array->try_catch_array[i].finally_op)) {
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CG(in_compilation) = 1;
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CG(active_op_array) = op_array;
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CG(zend_lineno) = op_array->opcodes[op_num].lineno;
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zend_error_noreturn(E_COMPILE_ERROR, "jump out of a finally block is disallowed");
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}
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}
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}
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static void zend_adjust_fast_call(zend_op_array *op_array, uint32_t fast_call, uint32_t start, uint32_t end TSRMLS_DC)
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{
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int i;
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uint32_t op_num = 0;
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for (i = 0; i < op_array->last_try_catch; i++) {
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if (op_array->try_catch_array[i].finally_op > start
|
|
&& op_array->try_catch_array[i].finally_end < end) {
|
|
op_num = op_array->try_catch_array[i].finally_op;
|
|
start = op_array->try_catch_array[i].finally_end;
|
|
}
|
|
}
|
|
|
|
if (op_num) {
|
|
/* Must be ZEND_FAST_CALL */
|
|
ZEND_ASSERT(op_array->opcodes[op_num - 2].opcode == ZEND_FAST_CALL);
|
|
op_array->opcodes[op_num - 2].extended_value = ZEND_FAST_CALL_FROM_FINALLY;
|
|
op_array->opcodes[op_num - 2].op2.opline_num = fast_call;
|
|
}
|
|
}
|
|
|
|
static void zend_resolve_fast_call(zend_op_array *op_array, uint32_t fast_call, uint32_t op_num TSRMLS_DC)
|
|
{
|
|
int i;
|
|
uint32_t finally_op_num = 0;
|
|
|
|
for (i = 0; i < op_array->last_try_catch; i++) {
|
|
if (op_num >= op_array->try_catch_array[i].finally_op
|
|
&& op_num < op_array->try_catch_array[i].finally_end) {
|
|
finally_op_num = op_array->try_catch_array[i].finally_op;
|
|
}
|
|
}
|
|
|
|
if (finally_op_num) {
|
|
/* Must be ZEND_FAST_CALL */
|
|
ZEND_ASSERT(op_array->opcodes[finally_op_num - 2].opcode == ZEND_FAST_CALL);
|
|
if (op_array->opcodes[fast_call].extended_value == 0) {
|
|
op_array->opcodes[fast_call].extended_value = ZEND_FAST_CALL_FROM_FINALLY;
|
|
op_array->opcodes[fast_call].op2.opline_num = finally_op_num - 2;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void zend_resolve_finally_call(zend_op_array *op_array, uint32_t op_num, uint32_t dst_num TSRMLS_DC)
|
|
{
|
|
uint32_t start_op;
|
|
zend_op *opline;
|
|
uint32_t i = op_array->last_try_catch;
|
|
|
|
if (dst_num != (uint32_t)-1) {
|
|
zend_check_finally_breakout(op_array, op_num, dst_num TSRMLS_CC);
|
|
}
|
|
|
|
/* the backward order is mater */
|
|
while (i > 0) {
|
|
i--;
|
|
if (op_array->try_catch_array[i].finally_op &&
|
|
op_num >= op_array->try_catch_array[i].try_op &&
|
|
op_num < op_array->try_catch_array[i].finally_op - 1 &&
|
|
(dst_num < op_array->try_catch_array[i].try_op ||
|
|
dst_num > op_array->try_catch_array[i].finally_end)) {
|
|
/* we have a jump out of try block that needs executing finally */
|
|
|
|
/* generate a FAST_CALL to finally block */
|
|
start_op = get_next_op_number(op_array);
|
|
|
|
opline = get_next_op(op_array TSRMLS_CC);
|
|
opline->opcode = ZEND_FAST_CALL;
|
|
SET_UNUSED(opline->op1);
|
|
SET_UNUSED(opline->op2);
|
|
zend_adjust_fast_call(op_array, start_op,
|
|
op_array->try_catch_array[i].finally_op,
|
|
op_array->try_catch_array[i].finally_end TSRMLS_CC);
|
|
if (op_array->try_catch_array[i].catch_op) {
|
|
opline->extended_value = ZEND_FAST_CALL_FROM_CATCH;
|
|
opline->op2.opline_num = op_array->try_catch_array[i].catch_op;
|
|
opline->op1.opline_num = get_next_op_number(op_array);
|
|
/* generate a FAST_CALL to hole CALL_FROM_FINALLY */
|
|
opline = get_next_op(op_array TSRMLS_CC);
|
|
opline->opcode = ZEND_FAST_CALL;
|
|
SET_UNUSED(opline->op1);
|
|
SET_UNUSED(opline->op2);
|
|
zend_resolve_fast_call(op_array, start_op + 1, op_array->try_catch_array[i].finally_op - 2 TSRMLS_CC);
|
|
} else {
|
|
zend_resolve_fast_call(op_array, start_op, op_array->try_catch_array[i].finally_op - 2 TSRMLS_CC);
|
|
}
|
|
opline->op1.opline_num = op_array->try_catch_array[i].finally_op;
|
|
|
|
/* generate a sequence of FAST_CALL to upward finally block */
|
|
while (i > 0) {
|
|
i--;
|
|
if (op_array->try_catch_array[i].finally_op &&
|
|
op_num >= op_array->try_catch_array[i].try_op &&
|
|
op_num < op_array->try_catch_array[i].finally_op - 1 &&
|
|
(dst_num < op_array->try_catch_array[i].try_op ||
|
|
dst_num > op_array->try_catch_array[i].finally_end)) {
|
|
|
|
opline = get_next_op(op_array TSRMLS_CC);
|
|
opline->opcode = ZEND_FAST_CALL;
|
|
SET_UNUSED(opline->op1);
|
|
SET_UNUSED(opline->op2);
|
|
opline->op1.opline_num = op_array->try_catch_array[i].finally_op;
|
|
}
|
|
}
|
|
|
|
/* Finish the sequence with original opcode */
|
|
opline = get_next_op(op_array TSRMLS_CC);
|
|
*opline = op_array->opcodes[op_num];
|
|
|
|
/* Replace original opcode with jump to this sequence */
|
|
opline = op_array->opcodes + op_num;
|
|
opline->opcode = ZEND_JMP;
|
|
SET_UNUSED(opline->op1);
|
|
SET_UNUSED(opline->op2);
|
|
opline->op1.opline_num = start_op;
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void zend_resolve_finally_ret(zend_op_array *op_array, uint32_t op_num TSRMLS_DC)
|
|
{
|
|
int i;
|
|
uint32_t catch_op_num = 0, finally_op_num = 0;
|
|
|
|
for (i = 0; i < op_array->last_try_catch; i++) {
|
|
if (op_array->try_catch_array[i].try_op > op_num) {
|
|
break;
|
|
}
|
|
if (op_num < op_array->try_catch_array[i].finally_op) {
|
|
finally_op_num = op_array->try_catch_array[i].finally_op;
|
|
}
|
|
if (op_num < op_array->try_catch_array[i].catch_op) {
|
|
catch_op_num = op_array->try_catch_array[i].catch_op;
|
|
}
|
|
}
|
|
|
|
if (finally_op_num && (!catch_op_num || catch_op_num >= finally_op_num)) {
|
|
/* in case of unhandled exception return to upward finally block */
|
|
op_array->opcodes[op_num].extended_value = ZEND_FAST_RET_TO_FINALLY;
|
|
op_array->opcodes[op_num].op2.opline_num = finally_op_num;
|
|
} else if (catch_op_num) {
|
|
/* in case of unhandled exception return to upward catch block */
|
|
op_array->opcodes[op_num].extended_value = ZEND_FAST_RET_TO_CATCH;
|
|
op_array->opcodes[op_num].op2.opline_num = catch_op_num;
|
|
}
|
|
}
|
|
|
|
static void zend_resolve_finally_calls(zend_op_array *op_array TSRMLS_DC)
|
|
{
|
|
uint32_t i, j;
|
|
zend_op *opline;
|
|
|
|
for (i = 0, j = op_array->last; i < j; i++) {
|
|
opline = op_array->opcodes + i;
|
|
switch (opline->opcode) {
|
|
case ZEND_RETURN:
|
|
case ZEND_RETURN_BY_REF:
|
|
case ZEND_GENERATOR_RETURN:
|
|
zend_resolve_finally_call(op_array, i, (uint32_t)-1 TSRMLS_CC);
|
|
break;
|
|
case ZEND_BRK:
|
|
case ZEND_CONT:
|
|
{
|
|
int nest_levels, array_offset;
|
|
zend_brk_cont_element *jmp_to;
|
|
|
|
nest_levels = Z_LVAL(op_array->literals[opline->op2.constant]);
|
|
if ((array_offset = opline->op1.opline_num) != -1) {
|
|
do {
|
|
jmp_to = &op_array->brk_cont_array[array_offset];
|
|
if (nest_levels > 1) {
|
|
array_offset = jmp_to->parent;
|
|
}
|
|
} while (--nest_levels > 0);
|
|
zend_resolve_finally_call(op_array, i, opline->opcode == ZEND_BRK ? jmp_to->brk : jmp_to->cont TSRMLS_CC);
|
|
break;
|
|
}
|
|
}
|
|
case ZEND_GOTO:
|
|
if (Z_TYPE(op_array->literals[opline->op2.constant]) != IS_LONG) {
|
|
uint32_t num = opline->op2.constant;
|
|
opline->op2.zv = &op_array->literals[opline->op2.constant];
|
|
zend_resolve_goto_label(op_array, opline, 1 TSRMLS_CC);
|
|
opline->op2.constant = num;
|
|
}
|
|
/* break omitted intentionally */
|
|
case ZEND_JMP:
|
|
zend_resolve_finally_call(op_array, i, opline->op1.opline_num TSRMLS_CC);
|
|
break;
|
|
case ZEND_FAST_CALL:
|
|
zend_resolve_fast_call(op_array, i, i TSRMLS_CC);
|
|
break;
|
|
case ZEND_FAST_RET:
|
|
zend_resolve_finally_ret(op_array, i TSRMLS_CC);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
ZEND_API int pass_two(zend_op_array *op_array TSRMLS_DC)
|
|
{
|
|
zend_op *opline, *end;
|
|
|
|
if (!ZEND_USER_CODE(op_array->type)) {
|
|
return 0;
|
|
}
|
|
if (op_array->has_finally_block) {
|
|
zend_resolve_finally_calls(op_array TSRMLS_CC);
|
|
}
|
|
if (CG(compiler_options) & ZEND_COMPILE_EXTENDED_INFO) {
|
|
zend_update_extended_info(op_array TSRMLS_CC);
|
|
}
|
|
if (CG(compiler_options) & ZEND_COMPILE_HANDLE_OP_ARRAY) {
|
|
zend_llist_apply_with_argument(&zend_extensions, (llist_apply_with_arg_func_t) zend_extension_op_array_handler, op_array TSRMLS_CC);
|
|
}
|
|
|
|
if (CG(context).vars_size != op_array->last_var) {
|
|
op_array->vars = (zend_string**) erealloc(op_array->vars, sizeof(zend_string*)*op_array->last_var);
|
|
CG(context).vars_size = op_array->last_var;
|
|
}
|
|
if (CG(context).opcodes_size != op_array->last) {
|
|
op_array->opcodes = (zend_op *) erealloc(op_array->opcodes, sizeof(zend_op)*op_array->last);
|
|
CG(context).opcodes_size = op_array->last;
|
|
}
|
|
if (CG(context).literals_size != op_array->last_literal) {
|
|
op_array->literals = (zval*)erealloc(op_array->literals, sizeof(zval) * op_array->last_literal);
|
|
CG(context).literals_size = op_array->last_literal;
|
|
}
|
|
opline = op_array->opcodes;
|
|
end = opline + op_array->last;
|
|
while (opline < end) {
|
|
if (opline->op1_type == IS_CONST) {
|
|
opline->op1.zv = &op_array->literals[opline->op1.constant];
|
|
} else if (opline->op1_type & (IS_VAR|IS_TMP_VAR)) {
|
|
opline->op1.var = (uint32_t)(zend_intptr_t)EX_VAR_NUM_2(NULL, op_array->last_var + opline->op1.var);
|
|
}
|
|
if (opline->op2_type == IS_CONST) {
|
|
opline->op2.zv = &op_array->literals[opline->op2.constant];
|
|
} else if (opline->op2_type & (IS_VAR|IS_TMP_VAR)) {
|
|
opline->op2.var = (uint32_t)(zend_intptr_t)EX_VAR_NUM_2(NULL, op_array->last_var + opline->op2.var);
|
|
}
|
|
if (opline->result_type & (IS_VAR|IS_TMP_VAR)) {
|
|
opline->result.var = (uint32_t)(zend_intptr_t)EX_VAR_NUM_2(NULL, op_array->last_var + opline->result.var);
|
|
}
|
|
switch (opline->opcode) {
|
|
case ZEND_DECLARE_INHERITED_CLASS:
|
|
case ZEND_DECLARE_INHERITED_CLASS_DELAYED:
|
|
opline->extended_value = (uint32_t)(zend_intptr_t)EX_VAR_NUM_2(NULL, op_array->last_var + opline->extended_value);
|
|
break;
|
|
case ZEND_GOTO:
|
|
if (Z_TYPE_P(opline->op2.zv) != IS_LONG) {
|
|
zend_resolve_goto_label(op_array, opline, 1 TSRMLS_CC);
|
|
}
|
|
/* break omitted intentionally */
|
|
case ZEND_JMP:
|
|
case ZEND_FAST_CALL:
|
|
opline->op1.jmp_addr = &op_array->opcodes[opline->op1.opline_num];
|
|
break;
|
|
case ZEND_JMPZNZ:
|
|
/* absolute index to relative offset */
|
|
opline->extended_value = (char*)(op_array->opcodes + opline->extended_value) - (char*)opline;
|
|
/* break omitted intentionally */
|
|
case ZEND_JMPZ:
|
|
case ZEND_JMPNZ:
|
|
case ZEND_JMPZ_EX:
|
|
case ZEND_JMPNZ_EX:
|
|
case ZEND_JMP_SET:
|
|
case ZEND_JMP_SET_VAR:
|
|
case ZEND_NEW:
|
|
case ZEND_FE_RESET:
|
|
case ZEND_FE_FETCH:
|
|
opline->op2.jmp_addr = &op_array->opcodes[opline->op2.opline_num];
|
|
break;
|
|
case ZEND_RETURN:
|
|
case ZEND_RETURN_BY_REF:
|
|
if (op_array->fn_flags & ZEND_ACC_GENERATOR) {
|
|
if (opline->op1_type != IS_CONST || Z_TYPE_P(opline->op1.zv) != IS_NULL) {
|
|
CG(zend_lineno) = opline->lineno;
|
|
zend_error_noreturn(E_COMPILE_ERROR, "Generators cannot return values using \"return\"");
|
|
}
|
|
|
|
opline->opcode = ZEND_GENERATOR_RETURN;
|
|
}
|
|
break;
|
|
}
|
|
ZEND_VM_SET_OPCODE_HANDLER(opline);
|
|
opline++;
|
|
}
|
|
|
|
op_array->fn_flags |= ZEND_ACC_DONE_PASS_TWO;
|
|
return 0;
|
|
}
|
|
|
|
int pass_two_wrapper(zval *el TSRMLS_DC)
|
|
{
|
|
return pass_two((zend_op_array *) Z_PTR_P(el) TSRMLS_CC);
|
|
}
|
|
|
|
int print_class(zend_class_entry *class_entry TSRMLS_DC)
|
|
{
|
|
printf("Class %s:\n", class_entry->name->val);
|
|
zend_hash_apply(&class_entry->function_table, pass_two_wrapper TSRMLS_CC);
|
|
printf("End of class %s.\n\n", class_entry->name->val);
|
|
return 0;
|
|
}
|
|
|
|
ZEND_API unary_op_type get_unary_op(int opcode)
|
|
{
|
|
switch (opcode) {
|
|
case ZEND_BW_NOT:
|
|
return (unary_op_type) bitwise_not_function;
|
|
case ZEND_BOOL_NOT:
|
|
return (unary_op_type) boolean_not_function;
|
|
default:
|
|
return (unary_op_type) NULL;
|
|
}
|
|
}
|
|
|
|
ZEND_API binary_op_type get_binary_op(int opcode)
|
|
{
|
|
switch (opcode) {
|
|
case ZEND_ADD:
|
|
case ZEND_ASSIGN_ADD:
|
|
return (binary_op_type) add_function;
|
|
case ZEND_SUB:
|
|
case ZEND_ASSIGN_SUB:
|
|
return (binary_op_type) sub_function;
|
|
case ZEND_MUL:
|
|
case ZEND_ASSIGN_MUL:
|
|
return (binary_op_type) mul_function;
|
|
case ZEND_POW:
|
|
return (binary_op_type) pow_function;
|
|
case ZEND_DIV:
|
|
case ZEND_ASSIGN_DIV:
|
|
return (binary_op_type) div_function;
|
|
case ZEND_MOD:
|
|
case ZEND_ASSIGN_MOD:
|
|
return (binary_op_type) mod_function;
|
|
case ZEND_SL:
|
|
case ZEND_ASSIGN_SL:
|
|
return (binary_op_type) shift_left_function;
|
|
case ZEND_SR:
|
|
case ZEND_ASSIGN_SR:
|
|
return (binary_op_type) shift_right_function;
|
|
case ZEND_CONCAT:
|
|
case ZEND_ASSIGN_CONCAT:
|
|
return (binary_op_type) concat_function;
|
|
case ZEND_IS_IDENTICAL:
|
|
return (binary_op_type) is_identical_function;
|
|
case ZEND_IS_NOT_IDENTICAL:
|
|
return (binary_op_type) is_not_identical_function;
|
|
case ZEND_IS_EQUAL:
|
|
return (binary_op_type) is_equal_function;
|
|
case ZEND_IS_NOT_EQUAL:
|
|
return (binary_op_type) is_not_equal_function;
|
|
case ZEND_IS_SMALLER:
|
|
return (binary_op_type) is_smaller_function;
|
|
case ZEND_IS_SMALLER_OR_EQUAL:
|
|
return (binary_op_type) is_smaller_or_equal_function;
|
|
case ZEND_BW_OR:
|
|
case ZEND_ASSIGN_BW_OR:
|
|
return (binary_op_type) bitwise_or_function;
|
|
case ZEND_BW_AND:
|
|
case ZEND_ASSIGN_BW_AND:
|
|
return (binary_op_type) bitwise_and_function;
|
|
case ZEND_BW_XOR:
|
|
case ZEND_ASSIGN_BW_XOR:
|
|
return (binary_op_type) bitwise_xor_function;
|
|
case ZEND_BOOL_XOR:
|
|
return (binary_op_type) boolean_xor_function;
|
|
default:
|
|
return (binary_op_type) NULL;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Local variables:
|
|
* tab-width: 4
|
|
* c-basic-offset: 4
|
|
* indent-tabs-mode: t
|
|
* End:
|
|
*/
|