--- /dev/null
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2024 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ */
+
+#ifndef _VISIT_ARG_VEC_H
+#define _VISIT_ARG_VEC_H
+
+#include <side/trace.h>
+
+enum side_type_visitor_location {
+ SIDE_TYPE_VISITOR_BEFORE,
+ SIDE_TYPE_VISITOR_AFTER,
+};
+
+struct side_type_visitor {
+ void (*event_func)(enum side_type_visitor_location loc,
+ const struct side_event_description *desc,
+ const struct side_arg_vec *side_arg_vec,
+ const struct side_arg_dynamic_struct *var_struct,
+ void *caller_addr,
+ void *priv);
+
+ void (*static_fields_func)(enum side_type_visitor_location loc,
+ const struct side_arg_vec *side_arg_vec,
+ void *priv);
+
+ void (*variadic_fields_func)(enum side_type_visitor_location loc,
+ const struct side_arg_dynamic_struct *var_struct,
+ void *priv);
+
+ /* Stack-copy basic types. */
+ void (*field_func)(enum side_type_visitor_location loc, const struct side_event_field *item_desc, void *priv);
+ void (*elem_func)(enum side_type_visitor_location loc, const struct side_type *type_desc, void *priv);
+
+ void (*null_type_func)(const struct side_type *type_desc, const struct side_arg *item, void *priv);
+ void (*bool_type_func)(const struct side_type *type_desc, const struct side_arg *item, void *priv);
+ void (*integer_type_func)(const struct side_type *type_desc, const struct side_arg *item, void *priv);
+ void (*byte_type_func)(const struct side_type *type_desc, const struct side_arg *item, void *priv);
+ void (*pointer_type_func)(const struct side_type *type_desc, const struct side_arg *item, void *priv);
+ void (*float_type_func)(const struct side_type *type_desc, const struct side_arg *item, void *priv);
+ void (*string_type_func)(const struct side_type *type_desc, const struct side_arg *item, void *priv);
+
+ /* Stack-copy compound types. */
+ void (*struct_type_func)(enum side_type_visitor_location loc, const struct side_type_struct *side_struct, const struct side_arg_vec *side_arg_vec, void *priv);
+ void (*array_type_func)(enum side_type_visitor_location loc, const struct side_type_array *side_array, const struct side_arg_vec *side_arg_vec, void *priv);
+ void (*vla_type_func)(enum side_type_visitor_location loc, const struct side_type_vla *side_vla, const struct side_arg_vec *side_arg_vec, void *priv);
+ void (*vla_visitor_type_func)(enum side_type_visitor_location loc, const struct side_type_vla_visitor *side_vla_visitor, const struct side_arg_vla_visitor *side_arg_vla_visitor, void *priv);
+
+ /* Stack-copy enumeration types. */
+ void (*enum_type_func)(const struct side_type *type_desc, const struct side_arg *item, void *priv);
+ void (*enum_bitmap_type_func)(const struct side_type *type_desc, const struct side_arg *item, void *priv);
+
+ /* Gather basic types. */
+ void (*gather_bool_type_func)(const struct side_type_gather_bool *type, const union side_bool_value *value, void *priv);
+ void (*gather_byte_type_func)(const struct side_type_gather_byte *type, const uint8_t *_ptr, void *priv);
+ void (*gather_integer_type_func)(const struct side_type_gather_integer *type, const union side_integer_value *value, void *priv);
+ void (*gather_pointer_type_func)(const struct side_type_gather_integer *type, const union side_integer_value *value, void *priv);
+ void (*gather_float_type_func)(const struct side_type_gather_float *type, const union side_float_value *value, void *priv);
+ void (*gather_string_type_func)(const struct side_type_gather_string *type, const void *p, uint8_t unit_size,
+ enum side_type_label_byte_order byte_order, size_t strlen_with_null, void *priv);
+
+ /* Gather compound types. */
+ void (*gather_struct_type_func)(enum side_type_visitor_location loc, const struct side_type_struct *type, void *priv);
+ void (*gather_array_type_func)(enum side_type_visitor_location loc, const struct side_type_array *type, void *priv);
+ void (*gather_vla_type_func)(enum side_type_visitor_location loc, const struct side_type_vla *type, uint32_t length, void *priv);
+
+ /* Gather enumeration types. */
+ void (*gather_enum_type_func)(const struct side_type_gather_enum *type, const union side_integer_value *value, void *priv);
+
+ /* Dynamic basic types. */
+ void (*dynamic_field_func)(enum side_type_visitor_location loc, const struct side_arg_dynamic_field *field, void *priv);
+ void (*dynamic_elem_func)(enum side_type_visitor_location loc, const struct side_arg *dynamic_item, void *priv);
+
+ void (*dynamic_null_func)(const struct side_arg *item, void *priv);
+ void (*dynamic_bool_func)(const struct side_arg *item, void *priv);
+ void (*dynamic_integer_func)(const struct side_arg *item, void *priv);
+ void (*dynamic_byte_func)(const struct side_arg *item, void *priv);
+ void (*dynamic_pointer_func)(const struct side_arg *item, void *priv);
+ void (*dynamic_float_func)(const struct side_arg *item, void *priv);
+ void (*dynamic_string_func)(const struct side_arg *item, void *priv);
+
+ /* Dynamic compound types. */
+ void (*dynamic_struct_func)(enum side_type_visitor_location loc, const struct side_arg_dynamic_struct *dynamic_struct, void *priv);
+ void (*dynamic_struct_visitor_func)(enum side_type_visitor_location loc, const struct side_arg *item, void *priv);
+ void (*dynamic_vla_func)(enum side_type_visitor_location loc, const struct side_arg_dynamic_vla *vla, void *priv);
+ void (*dynamic_vla_visitor_func)(enum side_type_visitor_location loc, const struct side_arg *item, void *priv);
+};
+
+void type_visitor_event(const struct side_type_visitor *type_visitor,
+ const struct side_event_description *desc,
+ const struct side_arg_vec *side_arg_vec,
+ const struct side_arg_dynamic_struct *var_struct,
+ void *caller_addr, void *priv);
+
+#endif /* _VISIT_ARG_VEC_H */
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