fix: add guard macros to lv_style_gen.c,h and lv_obj_style_gen.c,h (#4450)

scripts/style_api_gen.py

@@ -502,34 +502,64 @@ def docs(p):
 base_dir = os.path.abspath(os.path.dirname(__file__))
 sys.stdout = open(base_dir + '/../src/core/lv_obj_style_gen.h', 'w')
 
+
+HEADING = f'''
+/*
+ **********************************************************************
+ *                            DO NOT EDIT
+ * This file is automatically generated by "{os.path.split(__file__)[-1]}"
+ **********************************************************************
+ */
+
+'''
+
+print(HEADING)
+print('#ifndef LV_OBJ_STYLE_GEN_H')
+print('#define LV_OBJ_STYLE_GEN_H')
+print()
 print("#include \"../misc/lv_area.h\"")
 print("#include \"../misc/lv_style.h\"")
 print("#include \"../core/lv_obj_style.h\"")
+print()
 for p in props:
   obj_style_get(p)
 
 for p in props:
   local_style_set_h(p)
 
+print()
+print('#endif /* LV_OBJ_STYLE_GEN_H */')
+
 sys.stdout = open(base_dir + '/../src/core/lv_obj_style_gen.c', 'w')
 
+print(HEADING)
 print("#include \"lv_obj.h\"")
+print()
 for p in props:
   local_style_set_c(p)
 
 sys.stdout = open(base_dir + '/../src/misc/lv_style_gen.c', 'w')
 
+print(HEADING)
 print("#include \"lv_style.h\"")
+print()
 for p in props:
   style_set_c(p)
 
 sys.stdout = open(base_dir + '/../src/misc/lv_style_gen.h', 'w')
 
+print(HEADING)
+print('#ifndef LV_STYLE_GEN_H')
+print('#define LV_STYLE_GEN_H')
+print()
 for p in props:
   style_set_h(p)
 
 for p in props:
   style_const_set(p)
+print()
+print('#endif /* LV_STYLE_GEN_H */')
+
 
 sys.stdout = open(base_dir + '/../docs/overview/style-props.md', 'w')
 

src/core/lv_obj_style_gen.c

@@ -1,5 +1,15 @@
+
+/*
+ **********************************************************************
+ *                            DO NOT EDIT
+ * This file is automatically generated by "style_api_gen.py"
+ **********************************************************************
+ */
+
+
 #include "lv_obj.h"
 
+
 void lv_obj_set_style_width(struct _lv_obj_t * obj, lv_coord_t value, lv_style_selector_t selector)
 {
     lv_style_value_t v = {

src/core/lv_obj_style_gen.h

@@ -1,6 +1,19 @@
+
+/*
+ **********************************************************************
+ *                            DO NOT EDIT
+ * This file is automatically generated by "style_api_gen.py"
+ **********************************************************************
+ */
+
+
+#ifndef LV_OBJ_STYLE_GEN_H
+#define LV_OBJ_STYLE_GEN_H
+
 #include "../misc/lv_area.h"
 #include "../misc/lv_style.h"
 #include "../core/lv_obj_style.h"
+
 static inline lv_coord_t lv_obj_get_style_width(const struct _lv_obj_t * obj, uint32_t part)
 {
     lv_style_value_t v = lv_obj_get_style_prop(obj, part, LV_STYLE_WIDTH);
@@ -695,3 +708,5 @@ void lv_obj_set_style_transition(struct _lv_obj_t * obj, const lv_style_transiti
 void lv_obj_set_style_blend_mode(struct _lv_obj_t * obj, lv_blend_mode_t value, lv_style_selector_t selector);
 void lv_obj_set_style_layout(struct _lv_obj_t * obj, uint16_t value, lv_style_selector_t selector);
 void lv_obj_set_style_base_dir(struct _lv_obj_t * obj, lv_base_dir_t value, lv_style_selector_t selector);
+
+#endif /* LV_OBJ_STYLE_GEN_H */

src/misc/lv_style_gen.c

@@ -1,5 +1,15 @@
+
+/*
+ **********************************************************************
+ *                            DO NOT EDIT
+ * This file is automatically generated by "style_api_gen.py"
+ **********************************************************************
+ */
+
+
 #include "lv_style.h"
 
+
 void lv_style_set_width(lv_style_t * style, lv_coord_t value)
 {
     lv_style_value_t v = {

src/misc/lv_style_gen.h

@@ -1,3 +1,15 @@
+
+/*
+ **********************************************************************
+ *                            DO NOT EDIT
+ * This file is automatically generated by "style_api_gen.py"
+ **********************************************************************
+ */
+
+
+#ifndef LV_STYLE_GEN_H
+#define LV_STYLE_GEN_H
+
 void lv_style_set_width(lv_style_t * style, lv_coord_t value);
 extern const lv_style_prop_t _lv_style_const_prop_id_WIDTH;
 void lv_style_set_min_width(lv_style_t * style, lv_coord_t value);
@@ -621,3 +633,5 @@ extern const lv_style_prop_t _lv_style_const_prop_id_BASE_DIR;
     { \
         .prop_ptr = &_lv_style_const_prop_id_BASE_DIR, .value = { .num = (int32_t)val } \
     }
+
+#endif /* LV_STYLE_GEN_H */