*
* BabelTrace - Structure Type Converter
*
- * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright 2010, 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
#include <babeltrace/compiler.h>
#include <babeltrace/format.h>
+#ifndef max
+#define max(a, b) ((a) < (b) ? (b) : (a))
+#endif
+
+static
+struct declaration *_struct_declaration_new(struct type *type,
+ struct declaration_scope *parent_scope);
+static
+void _struct_declaration_free(struct declaration *declaration);
+
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 declaration *declaration)
{
- struct type_class_struct *struct_class =
- container_of(type_class, struct type_class_struct, p);
- unsigned int i;
+ struct declaration_struct *_struct =
+ container_of(declaration, struct declaration_struct, p);
+ struct type_struct *struct_type = _struct->type;
+ unsigned long i;
- fsrc->struct_begin(src, struct_class);
- fdest->struct_begin(dest, struct_class);
+ fsrc->struct_begin(src, struct_type);
+ fdest->struct_begin(dest, struct_type);
- 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 *field_type = field->type->p.type;
- field_class->copy(dest, fdest, src, fsrc, field_class);
+ field_type->copy(dest, fdest, src, fsrc, &field->type->p);
}
- fsrc->struct_end(src, struct_class);
- fdest->struct_end(dest, struct_class);
+ fsrc->struct_end(src, struct_type);
+ fdest->struct_end(dest, struct_type);
}
-void struct_type_free(struct type_class_struct *struct_class)
+static
+void _struct_type_free(struct type *type)
{
- unsigned int i;
+ struct type_struct *struct_type =
+ container_of(type, struct type_struct, p);
+ unsigned long i;
- g_hash_table_destroy(struct_class->fields_by_name);
+ g_hash_table_destroy(struct_type->fields_by_name);
- for (i = 0; i < struct_class->fields->len; i++) {
- struct field *field = &g_array_index(struct_class->fields,
- struct field, i);
- type_unref(field->type_class);
+ for (i = 0; i < struct_type->fields->len; i++) {
+ struct field *type_field =
+ &g_array_index(struct_type->fields,
+ struct type_field, i);
+ type_unref(field->type);
}
- 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);
+ g_array_free(struct_type->fields, true);
+ g_free(struct_type);
}
-struct type_class_struct *struct_type_new(const char *name)
+struct type_struct *struct_type_new(const char *name)
{
- struct type_class_struct *struct_class;
- struct type_class *type_class;
+ struct type_struct *struct_type;
+ struct type *type;
int ret;
- struct_class = g_new(struct type_class_struct, 1);
- 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);
- 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->ref = 1;
-
- if (type_class->name) {
- ret = ctf_register_type(type_class);
+ struct_type = g_new(struct type_struct, 1);
+ type = &struct_type->p;
+ struct_type->fields_by_name = g_hash_table_new(g_direct_hash,
+ g_direct_equal);
+ struct_type->fields = g_array_sized_new(FALSE, TRUE,
+ sizeof(struct type_field),
+ DEFAULT_NR_STRUCT_FIELDS);
+ type->name = g_quark_from_string(name);
+ type->alignment = 1;
+ type->copy = struct_copy;
+ type->type_free = _struct_type_free;
+ type->declaration_new = _struct_declaration_new;
+ type->declaration_free = _struct_declaration_free;
+ type->ref = 1;
+
+ if (type->name) {
+ ret = register_type(type);
if (ret)
goto error_register;
}
- return struct_class;
+ return struct_type;
error_register:
- g_free(struct_class);
+ g_hash_table_destroy(struct_type->fields_by_name);
+ g_array_free(struct_type->fields, true);
+ g_free(struct_type);
return NULL;
}
-void struct_type_add_field(struct type_class_struct *struct_class,
+static
+struct declaration *
+ _struct_declaration_new(struct type *type,
+ struct declaration_scope *parent_scope)
+{
+ struct type_struct *struct_type =
+ container_of(type, struct type_struct, p);
+ struct declaration_struct *_struct;
+
+ _struct = g_new(struct declaration_struct, 1);
+ type_ref(&struct_type->p);
+ _struct->p.type = struct_type;
+ _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_declaration_free(struct declaration *declaration)
+{
+ struct declaration_struct *_struct =
+ container_of(declaration, struct declaration_struct, p);
+ unsigned long i;
+
+ for (i = 0; i < _struct->fields->len; i++) {
+ struct field *field = &g_array_index(_struct->fields,
+ struct field, i);
+ declaration_unref(field->declaration);
+ }
+ free_declaration_scope(_struct->scope);
+ type_unref(_struct->p.type);
+ g_free(_struct);
+}
+
+void struct_type_add_field(struct type_struct *struct_type,
const char *field_name,
- struct type_class *type_class)
+ struct type *field_type)
{
- struct field *field;
+ struct type_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);
+ g_array_set_size(struct_type->fields, struct_type->fields->len + 1);
+ index = struct_type->fields->len - 1; /* last field (new) */
+ field = &g_array_index(struct_type->fields, struct type_field, index);
field->name = g_quark_from_string(field_name);
- type_ref(type_class);
- field->type_class = type_class;
+ type_ref(field_type);
+ field->type = field_type;
/* Keep index in hash rather than pointer, because array can relocate */
- g_hash_table_insert(struct_class->fields_by_name,
+ g_hash_table_insert(struct_type->fields_by_name,
(gpointer) (unsigned long) field->name,
(gpointer) index);
/*
* Alignment of structure is the max alignment of types contained
* therein.
*/
- struct_class->p.alignment = max(struct_class->p.alignment,
- type_class->alignment);
+ struct_type->p.alignment = max(struct_type->p.alignment,
+ field_type->alignment);
}
unsigned long
-struct_type_lookup_field_index(struct type_class_struct *struct_class,
- GQuark field_name)
+ struct_type_lookup_field_index(struct type_struct *struct_type,
+ GQuark field_name)
{
unsigned long index;
- index = (unsigned long) g_hash_table_lookup(struct_class->fields_by_name,
+ index = (unsigned long) g_hash_table_lookup(struct_type->fields_by_name,
(gconstpointer) (unsigned long) field_name);
return index;
}
+/*
+ * field returned only valid as long as the field structure is not appended to.
+ */
+struct type_field *
+ struct_type_get_field_from_index(struct type_struct *struct_type,
+ unsigned long index)
+{
+ return &g_array_index(struct_type->fields, struct type_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,
- unsigned long index)
+struct_declaration_get_field_from_index(struct declaration_struct *_struct,
+ unsigned long index)
{
- return &g_array_index(struct_class->fields, struct field, index);
+ return &g_array_index(_struct->fields, struct field, index);
}