/*
- * BabelTrace - Structure Type Converter
+ * struct.c
*
- * Copyright (c) 2010 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * BabelTrace - Structure Type Converter
*
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
+ * Copyright 2010, 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
*
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
*/
#include <babeltrace/compiler.h>
-#include <babeltrace/types.h>
+#include <babeltrace/format.h>
+
+#ifndef max
+#define max(a, b) ((a) < (b) ? (b) : (a))
+#endif
+
+static
+struct type *_struct_type_new(struct type_class *type_class,
+ struct declaration_scope *parent_scope);
+static
+void _struct_type_free(struct type *type);
void struct_copy(struct stream_pos *dest, const struct format *fdest,
struct stream_pos *src, const struct format *fsrc,
- const struct type_class *type_class)
+ struct type *type)
{
- struct type_class_struct *struct_class =
- container_of(type_class, struct type_class_struct, p);
- unsigned int i;
+ struct type_struct *_struct = container_of(type, struct type_struct, p);
+ struct type_class_struct *struct_class = _struct->_class;
+ unsigned long i;
fsrc->struct_begin(src, struct_class);
fdest->struct_begin(dest, struct_class);
- for (i = 0; i < struct_class->fields->len; i++) {
- struct field *field = &g_array_index(struct_class->fields,
+ for (i = 0; i < _struct->fields->len; i++) {
+ struct field *field = &g_array_index(_struct->fields,
struct field, i);
- struct type_class *field_class = field->type_class;
+ struct type_class *field_class = field->type->p._class;
- field_class->copy(dest, fdest, src, fsrc, type_class);
+ field_class->copy(dest, fdest, src, fsrc, &field->type->p);
}
fsrc->struct_end(src, struct_class);
fdest->struct_end(dest, struct_class);
}
-void struct_type_free(struct type_class_struct *struct_class)
+static
+void _struct_type_class_free(struct type_class *type_class)
{
+ struct type_class_struct *struct_class =
+ container_of(type_class, struct type_class_struct, p);
+ unsigned long i;
+
g_hash_table_destroy(struct_class->fields_by_name);
+
+ for (i = 0; i < struct_class->fields->len; i++) {
+ struct field *type_class_field =
+ &g_array_index(struct_class->fields,
+ struct type_class_field, i);
+ type_class_unref(field->type_class);
+ }
g_array_free(struct_class->fields, true);
g_free(struct_class);
}
-static void _struct_type_free(struct type_class *type_class)
-{
- struct type_class_struct *struct_class =
- container_of(type_class, struct type_class_struct, p);
- struct_type_free(struct_class);
-}
-
-struct type_class_struct *struct_type_new(const char *name)
+struct type_class_struct *
+struct_type_class_new(const char *name)
{
struct type_class_struct *struct_class;
+ struct type_class *type_class;
int ret;
struct_class = g_new(struct type_class_struct, 1);
- type_class = &float_class->p;
-
+ type_class = &struct_class->p;
struct_class->fields_by_name = g_hash_table_new(g_direct_hash,
g_direct_equal);
- struct_class->fields = g_array_sized_new(false, false,
- sizeof(struct field),
- DEFAULT_NR_STRUCT_FIELDS)
+ struct_class->fields = g_array_sized_new(FALSE, TRUE,
+ sizeof(struct type_class_field),
+ DEFAULT_NR_STRUCT_FIELDS);
type_class->name = g_quark_from_string(name);
type_class->alignment = 1;
type_class->copy = struct_copy;
- type_class->free = _struct_type_free;
+ type_class->class_free = _struct_type_class_free;
+ type_class->type_new = _struct_type_new;
+ type_class->type_free = _struct_type_free;
+ type_class->ref = 1;
if (type_class->name) {
- ret = ctf_register_type(type_class);
+ ret = register_type(type_class);
if (ret)
goto error_register;
}
return struct_class;
error_register:
+ g_hash_table_destroy(struct_class->fields_by_name);
+ g_array_free(struct_class->fields, true);
g_free(struct_class);
return NULL;
}
-void struct_type_add_field(struct type_class_struct *struct_class,
- const char *field_name,
- struct type_class *type_class)
+static
+struct type_struct *_struct_type_new(struct type_class *type_class,
+ struct declaration_scope *parent_scope)
+{
+ struct type_class_struct *_struct_class =
+ container_of(type_class, struct type_class_struct, p);
+ struct type_struct *_struct;
+
+ _struct = g_new(struct type_struct, 1);
+ type_class_ref(&_struct_class->p);
+ _struct->p._class = _struct_class;
+ _struct->p.ref = 1;
+ _struct->scope = new_declaration_scope(parent_scope);
+ _struct->fields = g_array_sized_new(FALSE, TRUE,
+ sizeof(struct field),
+ DEFAULT_NR_STRUCT_FIELDS);
+ return &_struct->p;
+}
+
+static
+void _struct_type_free(struct type *type)
+{
+ struct type_struct *_struct = container_of(type, struct type_struct, p);
+ unsigned long i;
+
+ for (i = 0; i < _struct->fields->len; i++) {
+ struct field *field = &g_array_index(_struct->fields,
+ struct field, i);
+ type_unref(field->type);
+ }
+ free_declaration_scope(_struct->scope);
+ type_class_unref(_struct->p._class);
+ g_free(_struct);
+}
+
+void struct_type_class_add_field(struct type_class_struct *struct_class,
+ const char *field_name,
+ struct type_class *type_class)
{
- struct field *field;
+ struct type_class_field *field;
unsigned long index;
g_array_set_size(struct_class->fields, struct_class->fields->len + 1);
index = struct_class->fields->len - 1; /* last field (new) */
- field = &g_array_index(struct_class->fields, struct field, index);
+ field = &g_array_index(struct_class->fields, struct type_class_field, index);
field->name = g_quark_from_string(field_name);
+ type_ref(type_class);
field->type_class = type_class;
/* Keep index in hash rather than pointer, because array can relocate */
g_hash_table_insert(struct_class->fields_by_name,
}
unsigned long
-struct_type_lookup_field_index(struct type_class_struct *struct_class,
- GQuark field_name)
+struct_type_class_lookup_field_index(struct type_class_struct *struct_class,
+ GQuark field_name)
{
unsigned long index;
index = (unsigned long) g_hash_table_lookup(struct_class->fields_by_name,
- field_name);
+ (gconstpointer) (unsigned long) field_name);
return index;
}
+/*
+ * field returned only valid as long as the field structure is not appended to.
+ */
+struct type_class_field *
+struct_type_class_get_field_from_index(struct type_class_struct *struct_class,
+ unsigned long index)
+{
+ return &g_array_index(struct_class->fields, struct type_class_field, index);
+}
+
/*
* field returned only valid as long as the field structure is not appended to.
*/
struct field *
-struct_type_get_field_from_index(struct type_class_struct *struct_class,
+struct_type_get_field_from_index(struct type_struct *struct_type,
unsigned long index)
{
- return &g_array_index(struct_class->fields, struct field, index);
+ return &g_array_index(struct_type->fields, struct field, index);
}