php-src/Zend/zend_vm_execute.skl

{%DEFINES%}

ZEND_API void {%EXECUTOR_NAME%}(zend_op_array *op_array TSRMLS_DC)
{
	zend_execute_data execute_data;
	{%HELPER_VARS%}

	{%INTERNAL_LABELS%}

	if (EG(exception)) {
		return;
	}

	/* Initialize execute_data */
	EX(fbc) = NULL;
	EX(object) = NULL;
	EX(old_error_reporting) = NULL;
	if (op_array->T < TEMP_VAR_STACK_LIMIT) {
		EX(Ts) = (temp_variable *) do_alloca(sizeof(temp_variable) * op_array->T);
	} else {
		EX(Ts) = (temp_variable *) safe_emalloc(sizeof(temp_variable), op_array->T, 0);
	}
	EX(CVs) = (zval***)do_alloca(sizeof(zval**) * op_array->last_var);
	memset(EX(CVs), 0, sizeof(zval**) * op_array->last_var);
	EX(op_array) = op_array;
	EX(original_in_execution) = EG(in_execution);
	EX(symbol_table) = EG(active_symbol_table);
	EX(prev_execute_data) = EG(current_execute_data);
	EG(current_execute_data) = &execute_data;

	EG(in_execution) = 1;
	if (op_array->start_op) {
		ZEND_VM_SET_OPCODE(op_array->start_op);
	} else {
		ZEND_VM_SET_OPCODE(op_array->opcodes);
	}

	if (op_array->uses_this && EG(This)) {
		EG(This)->refcount++; /* For $this pointer */
		if (zend_hash_add(EG(active_symbol_table), "this", sizeof("this"), &EG(This), sizeof(zval *), NULL)==FAILURE) {
			EG(This)->refcount--;
		}
	}

	EG(opline_ptr) = &EX(opline);

	EX(function_state).function = (zend_function *) op_array;
	EG(function_state_ptr) = &EX(function_state);
#if ZEND_DEBUG
	/* function_state.function_symbol_table is saved as-is to a stack,
	 * which is an intentional UMR.  Shut it up if we're in DEBUG.
	 */
	EX(function_state).function_symbol_table = NULL;
#endif
	
	while (1) {
    {%ZEND_VM_CONTINUE_LABEL%}
#ifdef ZEND_WIN32
		if (EG(timed_out)) {
			zend_timeout(0);
		}
#endif

		{%ZEND_VM_DISPATCH%} {
      {%INTERNAL_EXECUTOR%}
		}

	}
	zend_error_noreturn(E_ERROR, "Arrived at end of main loop which shouldn't happen");
}

{%EXTERNAL_EXECUTOR%}

void {%INITIALIZER_NAME%}()
{
  {%EXTERNAL_LABELS%}
}