feat(tool): use ast-grep to lint code base

.gitlab/ci/pre_check.yml

@@ -25,7 +25,8 @@ check_version:
 check_api_usage:
   extends: .pre_check_template
   script:
-    - tools/ci/check_examples_rom_header.sh
+    - python -m pip install ast-grep-cli # use ast-grep to describe customized lint rules
+    - ast-grep scan
     - tools/ci/check_api_violation.sh
     - tools/ci/check_examples_extra_component_dirs.sh
 

components/hal/sdio_slave_hal.c

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -190,7 +190,7 @@ static esp_err_t init_send_queue(sdio_slave_context_t *hal)
     //loop in the ringbuf to link all the desc one after another as a ring
     for (int i = 0; i < hal->send_queue_size + 1; i++) {
         rcv_res = sdio_ringbuf_recv(buf, &last, NULL, RINGBUF_GET_ONE);
-        assert (rcv_res == ESP_OK);
+        HAL_ASSERT(rcv_res == ESP_OK);
 
         ret = sdio_ringbuf_send(buf, link_desc_to_last, last);
         if (ret != ESP_OK) return ret;
@@ -202,7 +202,7 @@ static esp_err_t init_send_queue(sdio_slave_context_t *hal)
     last = NULL;
     //clear the queue
     rcv_res = sdio_ringbuf_recv(buf, &first, &last, RINGBUF_GET_ALL);
-    assert (rcv_res == ESP_OK);
+    HAL_ASSERT(rcv_res == ESP_OK);
     HAL_ASSERT(first == last); //there should be only one desc remain
     sdio_ringbuf_return(buf, (uint8_t *) first);
     return ESP_OK;
@@ -634,7 +634,7 @@ void sdio_slave_hal_recv_flush_one_buffer(sdio_slave_context_t *hal)
 {
     sdio_slave_hal_recv_stailq_t *const queue = &hal->recv_link_list;
     sdio_slave_ll_desc_t *desc = STAILQ_FIRST(queue);
-    assert (desc != NULL && desc->owner == 0);
+    HAL_ASSERT(desc != NULL && desc->owner == 0);
     STAILQ_REMOVE_HEAD(queue, qe);
     desc->owner = 1;
     STAILQ_INSERT_TAIL(queue, desc, qe);

sgconfig.yml

@@ -0,0 +1,2 @@
+ruleDirs:
+- ./tools/ci/sg_rules

tools/ci/check_api_violation.sh

@@ -20,13 +20,3 @@ if [ $count -gt 0 ]; then
     echo "Please try to use the APIs listed in esp_rom/include/esp_rom_xxx.h"
     exit 1
 fi
-
-# ESP-IDF `hal` component shouldn't call "assert()" directlly
-files_to_search=$(git ls-files --full-name 'components/hal/*' | grep -v components/hal/test_apps/)
-found_libc_assert=$(grep -E '\W+assert\(' $files_to_search)
-if [ -n "$found_libc_assert" ]; then
-    echo "hal assert violation"
-    echo $found_libc_assert
-    echo "Please use HAL_ASSERT() instead of assert() in hal component"
-    exit 1
-fi

tools/ci/exclude_check_tools_files.txt

@@ -49,3 +49,4 @@ tools/ci/python_packages/idf_http_server_test/**/*
 tools/ci/python_packages/idf_iperf_test_util/**/*
 tools/esp_prov/**/*
 tools/ci/sort_yaml.py
+tools/ci/sg_rules/*

tools/ci/executable-list.txt

@@ -55,7 +55,6 @@ tools/ci/check_codeowners.py
 tools/ci/check_deprecated_kconfigs.py
 tools/ci/check_esp_memory_utils_headers.sh
 tools/ci/check_examples_extra_component_dirs.sh
-tools/ci/check_examples_rom_header.sh
 tools/ci/check_executables.py
 tools/ci/check_idf_version.sh
 tools/ci/check_kconfigs.py

tools/ci/sg_rules/no_private_rom_api_in_examples.yml

@@ -0,0 +1,32 @@
+# Refer to https://ast-grep.github.io/guide/rule-config.html for Rule Essentials
+id: no-private-rom-api-in-c-examples
+message: Don't use private ROM APIs in the examples
+severity: error # error, warning, info, hint
+note: Only APIs prefixed with "esp_rom_" are treated as public.
+language: C
+files:
+  - "./examples/**/*"
+rule:
+  kind: preproc_include
+  has:
+    field: path
+    regex: "rom/.*h"
+    pattern: $N
+fix: ''
+
+---
+
+id: no-private-rom-api-in-cpp-examples
+message: Don't use private ROM APIs in the examples
+severity: error # error, warning, info, hint
+note: Only APIs prefixed with "esp_rom_" are treated as public.
+language: Cpp
+files:
+  - "./examples/**/*"
+rule:
+  kind: preproc_include
+  has:
+    field: path
+    regex: "rom/.*h"
+    pattern: $N
+fix: ''

tools/ci/sg_rules/no_std_assert_in_hal_component.yml

@@ -0,0 +1,35 @@
+# Refer to https://ast-grep.github.io/guide/rule-config.html for Rule Essentials
+id: no-std-assert-call-in-hal-component
+message: Don't use standard assert function in the hal component
+severity: error # error, warning, info, hint
+note: The standard assert function depends on newlib(G1) component, but hal is a G0 component
+language: C
+files:
+  - "./components/hal/**/*"
+ignores:
+  - "./components/hal/test_apps/**/*"
+rule:
+  kind: expression_statement
+  pattern: assert($$$ARGS);
+fix: HAL_ASSERT($$$ARGS);
+
+---
+
+id: no-std-assert-include-in-hal-component
+message: Don't include assert.h in the hal component
+severity: error # error, warning, info, hint
+note: Please use hal/assert.h to replace assert.h
+language: C
+files:
+  - "./components/hal/**/*"
+ignores:
+  - "./components/hal/test_apps/**/*"
+rule:
+  kind: preproc_include
+  has:
+    field: path
+    pattern: $N
+constraints:
+  N:
+   regex: '^["<]assert' # match "assert.h" or <assert.h>
+fix: ''