From 11f2f2e329ef404d0e9c022cb2f9fbbb45bae285 Mon Sep 17 00:00:00 2001 From: nancy.liao <huihui.liao@greentest.com.cn> Date: 周日, 27 4月 2025 17:33:31 +0800 Subject: [PATCH] 完成了SCPI命令语法分析器的完整规则 --- libscpi/src/error.c | 69 ++++++++++++++++++++-------------- 1 files changed, 41 insertions(+), 28 deletions(-) diff --git a/libscpi/src/error.c b/libscpi/src/error.c index 0caa917..00f4869 100644 --- a/libscpi/src/error.c +++ b/libscpi/src/error.c @@ -1,30 +1,30 @@ /*- - * Copyright (c) 2012-2013 Jan Breuer, + * BSD 2-Clause License * - * All Rights Reserved + * Copyright (c) 2012-2018, Jan Breuer + * All rights reserved. * * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. + * modification, are permitted provided that the following conditions are met: * - * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE - * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN - * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - /** * @file scpi_error.c * @date Thu Nov 15 10:58:45 UTC 2012 @@ -36,15 +36,16 @@ #include <stdint.h> -#include "scpi/parser.h" -#include "scpi/ieee488.h" -#include "scpi/error.h" +#include <scpi/parser.h> +#include <scpi/ieee488.h> +#include <scpi/error.h> #include "fifo_private.h" +#include <scpi/constants.h> #if USE_DEVICE_DEPENDENT_ERROR_INFORMATION #define SCPI_ERROR_SETVAL(e, c, i) do { (e)->error_code = (c); (e)->device_dependent_info = (i); } while(0) #else -#define SCPI_ERROR_SETVAL(e, c, i) do { (e)->error_code = (c); } while(0) +#define SCPI_ERROR_SETVAL(e, c, i) do { (e)->error_code = (c); (void)(i);} while(0) #endif /** @@ -129,7 +130,14 @@ static scpi_bool_t SCPI_ErrorAddInternal(scpi_t * context, int16_t err, char * info, size_t info_len) { scpi_error_t error_value; - SCPI_ERROR_SETVAL(&error_value, err, SCPIDEFINE_strndup(&context->error_info_heap, info, info_len)); + /* SCPIDEFINE_strndup is sometimes a dumy that does not reference it's arguments. + Since info_len is not referenced elsewhere caoing to void prevents unusd argument warnings */ + (void) info_len; + char * info_ptr = NULL; + if (info) { + info_ptr = SCPIDEFINE_strndup(&context->error_info_heap, info, info_len); + } + SCPI_ERROR_SETVAL(&error_value, err, info_ptr); if (!fifo_add(&context->error_queue, &error_value)) { SCPIDEFINE_free(&context->error_info_heap, error_value.device_dependent_info, true); fifo_remove_last(&context->error_queue, &error_value); @@ -163,11 +171,17 @@ /** * Push error to queue - * @param context - scpi context + * @param context * @param err - error number + * @param info - additional text information or NULL for no text + * @param info_len - length of text or 0 for automatic length */ void SCPI_ErrorPushEx(scpi_t * context, int16_t err, char * info, size_t info_len) { int i; + /* automatic calculation of length */ + if (info && info_len == 0) { + info_len = SCPIDEFINE_strnlen(info, SCPI_STD_ERROR_DESC_MAX_STRING_LENGTH); + } scpi_bool_t queue_overflow = !SCPI_ErrorAddInternal(context, err, info, info_len); for (i = 0; i < ERROR_DEFS_N; i++) { @@ -203,7 +217,6 @@ */ const char * SCPI_ErrorTranslate(int16_t err) { switch (err) { - case 0: return "No error"; #define X(def, val, str) case def: return str; #if USE_FULL_ERROR_LIST #define XE X -- Gitblit v1.9.1