--- /dev/null
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2022-2024 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ */
+
+#include <string.h>
+
+#include "visit-description.h"
+
+static
+void side_visit_type(const struct side_description_visitor *description_visitor,
+ const struct side_type *type_desc, void *priv);
+
+static
+void visit_gather_type(const struct side_description_visitor *description_visitor,
+ const struct side_type *type_desc, void *priv);
+
+static
+void visit_gather_elem(const struct side_description_visitor *description_visitor,
+ const struct side_type *type_desc, void *priv);
+
+static
+void description_visitor_gather_enum(const struct side_description_visitor *description_visitor,
+ const struct side_type_gather *type_gather, void *priv);
+
+static
+void side_visit_elem(const struct side_description_visitor *description_visitor, const struct side_type *type_desc, void *priv)
+{
+ if (description_visitor->elem_func)
+ description_visitor->elem_func(SIDE_DESCRIPTION_VISITOR_BEFORE, type_desc, priv);
+ side_visit_type(description_visitor, type_desc, priv);
+ if (description_visitor->elem_func)
+ description_visitor->elem_func(SIDE_DESCRIPTION_VISITOR_AFTER, type_desc, priv);
+}
+
+static
+void side_visit_field(const struct side_description_visitor *description_visitor, const struct side_event_field *item_desc, void *priv)
+{
+ if (description_visitor->field_func)
+ description_visitor->field_func(SIDE_DESCRIPTION_VISITOR_BEFORE, item_desc, priv);
+ side_visit_type(description_visitor, &item_desc->side_type, priv);
+ if (description_visitor->field_func)
+ description_visitor->field_func(SIDE_DESCRIPTION_VISITOR_AFTER, item_desc, priv);
+}
+
+static
+void side_visit_option(const struct side_description_visitor *description_visitor, const struct side_variant_option *option_desc, void *priv)
+{
+ if (description_visitor->option_func)
+ description_visitor->option_func(SIDE_DESCRIPTION_VISITOR_BEFORE, option_desc, priv);
+ side_visit_type(description_visitor, &option_desc->side_type, priv);
+ if (description_visitor->option_func)
+ description_visitor->option_func(SIDE_DESCRIPTION_VISITOR_AFTER, option_desc, priv);
+}
+
+static
+void description_visitor_enum(const struct side_description_visitor *description_visitor, const struct side_type *type_desc, void *priv)
+{
+ const struct side_type *elem_type = side_ptr_get(type_desc->u.side_enum.elem_type);
+
+ if (description_visitor->enum_type_func)
+ description_visitor->enum_type_func(SIDE_DESCRIPTION_VISITOR_BEFORE, type_desc, priv);
+ side_visit_elem(description_visitor, elem_type, priv);
+ if (description_visitor->enum_type_func)
+ description_visitor->enum_type_func(SIDE_DESCRIPTION_VISITOR_AFTER, type_desc, priv);
+}
+
+static
+void description_visitor_enum_bitmap(const struct side_description_visitor *description_visitor, const struct side_type *type_desc, void *priv)
+{
+ const struct side_type *elem_type = side_ptr_get(type_desc->u.side_enum_bitmap.elem_type);
+
+
+ if (description_visitor->enum_bitmap_type_func)
+ description_visitor->enum_bitmap_type_func(SIDE_DESCRIPTION_VISITOR_BEFORE, type_desc, priv);
+ side_visit_elem(description_visitor, elem_type, priv);
+ if (description_visitor->enum_bitmap_type_func)
+ description_visitor->enum_bitmap_type_func(SIDE_DESCRIPTION_VISITOR_AFTER, type_desc, priv);
+}
+
+static
+void description_visitor_struct(const struct side_description_visitor *description_visitor, const struct side_type *type_desc, void *priv)
+{
+ const struct side_type_struct *side_struct = side_ptr_get(type_desc->u.side_struct);
+ uint32_t i, len = side_struct->nr_fields;
+
+ if (description_visitor->struct_type_func)
+ description_visitor->struct_type_func(SIDE_DESCRIPTION_VISITOR_BEFORE, side_struct, priv);
+ for (i = 0; i < len; i++)
+ side_visit_field(description_visitor, &side_ptr_get(side_struct->fields)[i], priv);
+ if (description_visitor->struct_type_func)
+ description_visitor->struct_type_func(SIDE_DESCRIPTION_VISITOR_AFTER, side_struct, priv);
+}
+
+static
+void description_visitor_variant(const struct side_description_visitor *description_visitor, const struct side_type *type_desc, void *priv)
+{
+ const struct side_type_variant *side_type_variant = side_ptr_get(type_desc->u.side_variant);
+ const struct side_type *selector_type = &side_type_variant->selector;
+ uint32_t i, len = side_type_variant->nr_options;
+
+ switch (side_enum_get(selector_type->type)) {
+ case SIDE_TYPE_U8:
+ case SIDE_TYPE_U16:
+ case SIDE_TYPE_U32:
+ case SIDE_TYPE_U64:
+ case SIDE_TYPE_U128:
+ case SIDE_TYPE_S8:
+ case SIDE_TYPE_S16:
+ case SIDE_TYPE_S32:
+ case SIDE_TYPE_S64:
+ case SIDE_TYPE_S128:
+ break;
+ default:
+ fprintf(stderr, "ERROR: Expecting integer variant selector type\n");
+ abort();
+ }
+ if (description_visitor->variant_type_func)
+ description_visitor->variant_type_func(SIDE_DESCRIPTION_VISITOR_BEFORE, side_type_variant, priv);
+ for (i = 0; i < len; i++)
+ side_visit_option(description_visitor, &side_ptr_get(side_type_variant->options)[i], priv);
+ if (description_visitor->variant_type_func)
+ description_visitor->variant_type_func(SIDE_DESCRIPTION_VISITOR_AFTER, side_type_variant, priv);
+}
+
+static
+void description_visitor_array(const struct side_description_visitor *description_visitor, const struct side_type *type_desc, void *priv)
+{
+ if (description_visitor->array_type_func)
+ description_visitor->array_type_func(SIDE_DESCRIPTION_VISITOR_BEFORE, &type_desc->u.side_array, priv);
+ side_visit_elem(description_visitor, side_ptr_get(type_desc->u.side_array.elem_type), priv);
+ if (description_visitor->array_type_func)
+ description_visitor->array_type_func(SIDE_DESCRIPTION_VISITOR_AFTER, &type_desc->u.side_array, priv);
+}
+
+static
+void description_visitor_vla(const struct side_description_visitor *description_visitor, const struct side_type *type_desc, void *priv)
+{
+ if (description_visitor->vla_type_func)
+ description_visitor->vla_type_func(SIDE_DESCRIPTION_VISITOR_VLA_BEFORE, &type_desc->u.side_vla, priv);
+ side_visit_elem(description_visitor, side_ptr_get(type_desc->u.side_vla.length_type), priv);
+ if (description_visitor->vla_type_func)
+ description_visitor->vla_type_func(SIDE_DESCRIPTION_VISITOR_VLA_AFTER_LENGTH, &type_desc->u.side_vla, priv);
+ side_visit_elem(description_visitor, side_ptr_get(type_desc->u.side_vla.elem_type), priv);
+ if (description_visitor->vla_type_func)
+ description_visitor->vla_type_func(SIDE_DESCRIPTION_VISITOR_VLA_AFTER_ELEMENT, &type_desc->u.side_vla, priv);
+}
+
+static
+void description_visitor_vla_visitor(const struct side_description_visitor *description_visitor, const struct side_type *type_desc, void *priv)
+{
+ if (description_visitor->vla_visitor_type_func)
+ description_visitor->vla_visitor_type_func(SIDE_DESCRIPTION_VISITOR_VLA_BEFORE, side_ptr_get(type_desc->u.side_vla_visitor), priv);
+ side_visit_elem(description_visitor, side_ptr_get(side_ptr_get(type_desc->u.side_vla_visitor)->length_type), priv);
+ if (description_visitor->vla_visitor_type_func)
+ description_visitor->vla_visitor_type_func(SIDE_DESCRIPTION_VISITOR_VLA_AFTER_LENGTH, side_ptr_get(type_desc->u.side_vla_visitor), priv);
+ side_visit_elem(description_visitor, side_ptr_get(side_ptr_get(type_desc->u.side_vla_visitor)->elem_type), priv);
+ if (description_visitor->vla_visitor_type_func)
+ description_visitor->vla_visitor_type_func(SIDE_DESCRIPTION_VISITOR_VLA_AFTER_ELEMENT, side_ptr_get(type_desc->u.side_vla_visitor), priv);
+}
+
+static
+void visit_gather_field(const struct side_description_visitor *description_visitor, const struct side_event_field *field, void *priv)
+{
+ if (description_visitor->field_func)
+ description_visitor->field_func(SIDE_DESCRIPTION_VISITOR_BEFORE, field, priv);
+ (void) visit_gather_type(description_visitor, &field->side_type, priv);
+ if (description_visitor->field_func)
+ description_visitor->field_func(SIDE_DESCRIPTION_VISITOR_AFTER, field, priv);
+}
+
+static
+void description_visitor_gather_struct(const struct side_description_visitor *description_visitor, const struct side_type_gather *type_gather, void *priv)
+{
+ const struct side_type_gather_struct *side_gather_struct = &type_gather->u.side_struct;
+ const struct side_type_struct *side_struct = side_ptr_get(side_gather_struct->type);
+ uint32_t i;
+
+ if (description_visitor->gather_struct_type_func)
+ description_visitor->gather_struct_type_func(SIDE_DESCRIPTION_VISITOR_BEFORE, side_gather_struct, priv);
+ for (i = 0; i < side_struct->nr_fields; i++)
+ visit_gather_field(description_visitor, &side_ptr_get(side_struct->fields)[i], priv);
+ if (description_visitor->gather_struct_type_func)
+ description_visitor->gather_struct_type_func(SIDE_DESCRIPTION_VISITOR_AFTER, side_gather_struct, priv);
+}
+
+static
+void description_visitor_gather_array(const struct side_description_visitor *description_visitor, const struct side_type_gather *type_gather, void *priv)
+{
+ const struct side_type_gather_array *side_gather_array = &type_gather->u.side_array;
+ const struct side_type_array *side_array = &side_gather_array->type;
+ const struct side_type *elem_type = side_ptr_get(side_array->elem_type);
+
+ if (description_visitor->gather_array_type_func)
+ description_visitor->gather_array_type_func(SIDE_DESCRIPTION_VISITOR_BEFORE, side_gather_array, priv);
+ switch (side_enum_get(elem_type->type)) {
+ case SIDE_TYPE_GATHER_VLA:
+ fprintf(stderr, "<gather VLA only supported within gather structures>\n");
+ abort();
+ default:
+ break;
+ }
+ visit_gather_elem(description_visitor, elem_type, priv);
+ if (description_visitor->gather_array_type_func)
+ description_visitor->gather_array_type_func(SIDE_DESCRIPTION_VISITOR_AFTER, side_gather_array, priv);
+}
+
+static
+void description_visitor_gather_vla(const struct side_description_visitor *description_visitor, const struct side_type_gather *type_gather, void *priv)
+{
+ const struct side_type_gather_vla *side_gather_vla = &type_gather->u.side_vla;
+ const struct side_type_vla *side_vla = &side_gather_vla->type;
+ const struct side_type *length_type = side_ptr_get(side_gather_vla->type.length_type);
+ const struct side_type *elem_type = side_ptr_get(side_vla->elem_type);
+
+ /* Access length */
+ switch (side_enum_get(length_type->type)) {
+ case SIDE_TYPE_GATHER_INTEGER:
+ break;
+ default:
+ fprintf(stderr, "<gather VLA expects integer gather length type>\n");
+ abort();
+ }
+ switch (side_enum_get(elem_type->type)) {
+ case SIDE_TYPE_GATHER_VLA:
+ fprintf(stderr, "<gather VLA only supported within gather structures>\n");
+ abort();
+ default:
+ break;
+ }
+ if (description_visitor->gather_vla_type_func)
+ description_visitor->gather_vla_type_func(SIDE_DESCRIPTION_VISITOR_VLA_BEFORE, side_gather_vla, priv);
+ visit_gather_elem(description_visitor, length_type, priv);
+ if (description_visitor->gather_vla_type_func)
+ description_visitor->gather_vla_type_func(SIDE_DESCRIPTION_VISITOR_VLA_AFTER_LENGTH, side_gather_vla, priv);
+ visit_gather_elem(description_visitor, elem_type, priv);
+ if (description_visitor->gather_vla_type_func)
+ description_visitor->gather_vla_type_func(SIDE_DESCRIPTION_VISITOR_VLA_AFTER_ELEMENT, side_gather_vla, priv);
+}
+
+static
+void description_visitor_gather_bool(const struct side_description_visitor *description_visitor, const struct side_type_gather *type_gather, void *priv)
+{
+ if (description_visitor->gather_bool_type_func)
+ description_visitor->gather_bool_type_func(&type_gather->u.side_bool, priv);
+}
+
+static
+void description_visitor_gather_byte(const struct side_description_visitor *description_visitor, const struct side_type_gather *type_gather, void *priv)
+{
+ if (description_visitor->gather_byte_type_func)
+ description_visitor->gather_byte_type_func(&type_gather->u.side_byte, priv);
+}
+
+static
+void description_visitor_gather_integer(const struct side_description_visitor *description_visitor, const struct side_type_gather *type_gather,
+ enum side_type_label integer_type, void *priv)
+{
+ switch (integer_type) {
+ case SIDE_TYPE_GATHER_INTEGER:
+ if (description_visitor->gather_integer_type_func)
+ description_visitor->gather_integer_type_func(&type_gather->u.side_integer, priv);
+ break;
+ case SIDE_TYPE_GATHER_POINTER:
+ if (description_visitor->gather_pointer_type_func)
+ description_visitor->gather_pointer_type_func(&type_gather->u.side_integer, priv);
+ break;
+ default:
+ fprintf(stderr, "Unexpected integer type\n");
+ abort();
+ }
+}
+
+static
+void description_visitor_gather_float(const struct side_description_visitor *description_visitor, const struct side_type_gather *type_gather, void *priv)
+{
+ if (description_visitor->gather_float_type_func)
+ description_visitor->gather_float_type_func(&type_gather->u.side_float, priv);
+}
+
+static
+void description_visitor_gather_string(const struct side_description_visitor *description_visitor, const struct side_type_gather *type_gather, void *priv)
+{
+
+ if (description_visitor->gather_string_type_func)
+ description_visitor->gather_string_type_func(&type_gather->u.side_string, priv);
+}
+
+static
+void visit_gather_type(const struct side_description_visitor *description_visitor, const struct side_type *type_desc, void *priv)
+{
+ switch (side_enum_get(type_desc->type)) {
+ /* Gather basic types */
+ case SIDE_TYPE_GATHER_BOOL:
+ description_visitor_gather_bool(description_visitor, &type_desc->u.side_gather, priv);
+ break;
+ case SIDE_TYPE_GATHER_INTEGER:
+ description_visitor_gather_integer(description_visitor, &type_desc->u.side_gather, SIDE_TYPE_GATHER_INTEGER, priv);
+ break;
+ case SIDE_TYPE_GATHER_BYTE:
+ description_visitor_gather_byte(description_visitor, &type_desc->u.side_gather, priv);
+ break;
+ case SIDE_TYPE_GATHER_POINTER:
+ description_visitor_gather_integer(description_visitor, &type_desc->u.side_gather, SIDE_TYPE_GATHER_POINTER, priv);
+ break;
+ case SIDE_TYPE_GATHER_FLOAT:
+ description_visitor_gather_float(description_visitor, &type_desc->u.side_gather, priv);
+ break;
+ case SIDE_TYPE_GATHER_STRING:
+ description_visitor_gather_string(description_visitor, &type_desc->u.side_gather, priv);
+ break;
+
+ /* Gather enumeration types */
+ case SIDE_TYPE_GATHER_ENUM:
+ description_visitor_gather_enum(description_visitor, &type_desc->u.side_gather, priv);
+ break;
+
+ /* Gather compound types */
+ case SIDE_TYPE_GATHER_STRUCT:
+ description_visitor_gather_struct(description_visitor, &type_desc->u.side_gather, priv);
+ break;
+ case SIDE_TYPE_GATHER_ARRAY:
+ description_visitor_gather_array(description_visitor, &type_desc->u.side_gather, priv);
+ break;
+ case SIDE_TYPE_GATHER_VLA:
+ description_visitor_gather_vla(description_visitor, &type_desc->u.side_gather, priv);
+ break;
+ default:
+ fprintf(stderr, "<UNKNOWN GATHER TYPE>");
+ abort();
+ }
+}
+
+static
+void visit_gather_elem(const struct side_description_visitor *description_visitor, const struct side_type *type_desc, void *priv)
+{
+ if (description_visitor->elem_func)
+ description_visitor->elem_func(SIDE_DESCRIPTION_VISITOR_BEFORE, type_desc, priv);
+ visit_gather_type(description_visitor, type_desc, priv);
+ if (description_visitor->elem_func)
+ description_visitor->elem_func(SIDE_DESCRIPTION_VISITOR_AFTER, type_desc, priv);
+}
+
+static
+void description_visitor_gather_enum(const struct side_description_visitor *description_visitor, const struct side_type_gather *type_gather, void *priv)
+{
+ const struct side_type *elem_type = side_ptr_get(type_gather->u.side_enum.elem_type);
+
+ if (description_visitor->gather_enum_type_func)
+ description_visitor->gather_enum_type_func(SIDE_DESCRIPTION_VISITOR_BEFORE, &type_gather->u.side_enum, priv);
+ side_visit_elem(description_visitor, elem_type, priv);
+ if (description_visitor->gather_enum_type_func)
+ description_visitor->gather_enum_type_func(SIDE_DESCRIPTION_VISITOR_AFTER, &type_gather->u.side_enum, priv);
+}
+
+static
+void side_visit_type(const struct side_description_visitor *description_visitor,
+ const struct side_type *type_desc, void *priv)
+{
+ enum side_type_label type = side_enum_get(type_desc->type);
+
+ switch (type) {
+ /* Stack-copy basic types */
+ case SIDE_TYPE_NULL:
+ if (description_visitor->null_type_func)
+ description_visitor->null_type_func(type_desc, priv);
+ break;
+ case SIDE_TYPE_BOOL:
+ if (description_visitor->bool_type_func)
+ description_visitor->bool_type_func(type_desc, priv);
+ break;
+ case SIDE_TYPE_U8: /* Fallthrough */
+ case SIDE_TYPE_U16: /* Fallthrough */
+ case SIDE_TYPE_U32: /* Fallthrough */
+ case SIDE_TYPE_U64: /* Fallthrough */
+ case SIDE_TYPE_U128: /* Fallthrough */
+ case SIDE_TYPE_S8: /* Fallthrough */
+ case SIDE_TYPE_S16: /* Fallthrough */
+ case SIDE_TYPE_S32: /* Fallthrough */
+ case SIDE_TYPE_S64: /* Fallthrough */
+ case SIDE_TYPE_S128:
+ if (description_visitor->integer_type_func)
+ description_visitor->integer_type_func(type_desc, priv);
+ break;
+ case SIDE_TYPE_BYTE:
+ if (description_visitor->byte_type_func)
+ description_visitor->byte_type_func(type_desc, priv);
+ break;
+ case SIDE_TYPE_POINTER:
+ if (description_visitor->pointer_type_func)
+ description_visitor->pointer_type_func(type_desc, priv);
+ break;
+ case SIDE_TYPE_FLOAT_BINARY16: /* Fallthrough */
+ case SIDE_TYPE_FLOAT_BINARY32: /* Fallthrough */
+ case SIDE_TYPE_FLOAT_BINARY64: /* Fallthrough */
+ case SIDE_TYPE_FLOAT_BINARY128:
+ if (description_visitor->float_type_func)
+ description_visitor->float_type_func(type_desc, priv);
+ break;
+ case SIDE_TYPE_STRING_UTF8: /* Fallthrough */
+ case SIDE_TYPE_STRING_UTF16: /* Fallthrough */
+ case SIDE_TYPE_STRING_UTF32:
+ if (description_visitor->string_type_func)
+ description_visitor->string_type_func(type_desc, priv);
+ break;
+ case SIDE_TYPE_ENUM:
+ description_visitor_enum(description_visitor, type_desc, priv);
+ break;
+ case SIDE_TYPE_ENUM_BITMAP:
+ description_visitor_enum_bitmap(description_visitor, type_desc, priv);
+ break;
+
+ /* Stack-copy compound types */
+ case SIDE_TYPE_STRUCT:
+ description_visitor_struct(description_visitor, type_desc, priv);
+ break;
+ case SIDE_TYPE_VARIANT:
+ description_visitor_variant(description_visitor, type_desc, priv);
+ break;
+ case SIDE_TYPE_ARRAY:
+ description_visitor_array(description_visitor, type_desc, priv);
+ break;
+ case SIDE_TYPE_VLA:
+ description_visitor_vla(description_visitor, type_desc, priv);
+ break;
+ case SIDE_TYPE_VLA_VISITOR:
+ description_visitor_vla_visitor(description_visitor, type_desc, priv);
+ break;
+
+ /* Gather basic types */
+ case SIDE_TYPE_GATHER_BOOL:
+ description_visitor_gather_bool(description_visitor, &type_desc->u.side_gather, priv);
+ break;
+ case SIDE_TYPE_GATHER_INTEGER:
+ description_visitor_gather_integer(description_visitor, &type_desc->u.side_gather, SIDE_TYPE_GATHER_INTEGER, priv);
+ break;
+ case SIDE_TYPE_GATHER_BYTE:
+ description_visitor_gather_byte(description_visitor, &type_desc->u.side_gather, priv);
+ break;
+ case SIDE_TYPE_GATHER_POINTER:
+ description_visitor_gather_integer(description_visitor, &type_desc->u.side_gather, SIDE_TYPE_GATHER_POINTER, priv);
+ break;
+ case SIDE_TYPE_GATHER_FLOAT:
+ description_visitor_gather_float(description_visitor, &type_desc->u.side_gather, priv);
+ break;
+ case SIDE_TYPE_GATHER_STRING:
+ description_visitor_gather_string(description_visitor, &type_desc->u.side_gather, priv);
+ break;
+
+ /* Gather compound type */
+ case SIDE_TYPE_GATHER_STRUCT:
+ description_visitor_gather_struct(description_visitor, &type_desc->u.side_gather, priv);
+ break;
+ case SIDE_TYPE_GATHER_ARRAY:
+ description_visitor_gather_array(description_visitor, &type_desc->u.side_gather, priv);
+ break;
+ case SIDE_TYPE_GATHER_VLA:
+ description_visitor_gather_vla(description_visitor, &type_desc->u.side_gather, priv);
+ break;
+
+ /* Gather enumeration types */
+ case SIDE_TYPE_GATHER_ENUM:
+ description_visitor_gather_enum(description_visitor, &type_desc->u.side_gather, priv);
+ break;
+
+ /* Dynamic type */
+ case SIDE_TYPE_DYNAMIC:
+ if (description_visitor->dynamic_type_func)
+ description_visitor->dynamic_type_func(type_desc, priv);
+ break;
+
+ default:
+ fprintf(stderr, "<UNKNOWN TYPE>\n");
+ abort();
+ }
+}
+
+void description_visitor_event(const struct side_description_visitor *description_visitor,
+ const struct side_event_description *desc, void *priv)
+{
+ uint32_t i, len = desc->nr_fields;
+
+ if (description_visitor->event_func)
+ description_visitor->event_func(SIDE_DESCRIPTION_VISITOR_BEFORE, desc, priv);
+ if (len) {
+ if (description_visitor->static_fields_func)
+ description_visitor->static_fields_func(SIDE_DESCRIPTION_VISITOR_BEFORE, desc, priv);
+ for (i = 0; i < len; i++)
+ side_visit_field(description_visitor, &side_ptr_get(desc->fields)[i], priv);
+ if (description_visitor->static_fields_func)
+ description_visitor->static_fields_func(SIDE_DESCRIPTION_VISITOR_AFTER, desc, priv);
+ }
+ if (description_visitor->event_func)
+ description_visitor->event_func(SIDE_DESCRIPTION_VISITOR_AFTER, desc, priv);
+}
projects / libside.git / blobdiff