}
struct format;
-struct type;
+struct definition;
+
+/* type scope */
+struct type_scope {
+ /* Hash table mapping type name GQuark to "struct declaration" */
+ GHashTable *type_definitions;
+ /* Hash table mapping struct name GQuark to "struct type_struct" */
+ GHashTable *struct_types;
+ /* Hash table mapping variant name GQuark to "struct type_variant" */
+ GHashTable *variant_types;
+ /* Hash table mapping enum name GQuark to "struct type_enum" */
+ GHashTable *enum_types;
+ struct type_scope *parent_scope;
+};
+
+/* definition scope */
+struct definition_scope {
+ /* Hash table mapping field name GQuark to "struct definition" */
+ GHashTable *definitions;
+ struct definition_scope *parent_scope;
+};
-struct type_class {
+enum ctf_type_id {
+ CTF_TYPE_UNKNOWN = 0,
+ CTF_TYPE_INTEGER,
+ CTF_TYPE_FLOAT,
+ CTF_TYPE_ENUM,
+ CTF_TYPE_STRING,
+ CTF_TYPE_STRUCT,
+ CTF_TYPE_VARIANT,
+ CTF_TYPE_ARRAY,
+ CTF_TYPE_SEQUENCE,
+ NR_CTF_TYPES,
+};
+
+struct type {
+ enum ctf_type_id id;
GQuark name; /* type name */
size_t alignment; /* type alignment, in bits */
- int ref; /* number of references to the type class */
- /*
- * class_free called with type class ref is decremented to 0.
- */
- void (*class_free)(struct type_class *type_class);
- struct type *(*type_new)(struct type_class *_class,
- struct declaration_scope *parent_scope);
+ int ref; /* number of references to the type */
/*
* type_free called with type ref is decremented to 0.
*/
void (*type_free)(struct type *type);
+ struct definition *
+ (*definition_new)(struct type *type,
+ struct definition_scope *parent_scope);
+ /*
+ * definition_free called with definition ref is decremented to 0.
+ */
+ void (*definition_free)(struct definition *definition);
/*
- * Type copy function. Knows how to find the child type from the parent
- * type.
+ * Definition copy function. Knows how to find the child
+ * definition from the parent definition.
*/
void (*copy)(struct stream_pos *dest, const struct format *fdest,
struct stream_pos *src, const struct format *fsrc,
- struct type *type);
+ struct definition *definition);
};
-struct type {
- struct type_class *_class;
- int ref; /* number of references to the type instance */
+struct definition {
+ struct type *type;
+ int ref; /* number of references to the definition */
};
/*
* integers, except that their read/write functions must be able to deal with
* read/write non aligned on CHAR_BIT.
*/
-struct type_class_integer {
- struct type_class p;
+struct type_integer {
+ struct type p;
size_t len; /* length, in bits. */
int byte_order; /* byte order */
int signedness;
};
-struct type_integer {
- struct type p;
- struct type_class_integer *_class;
+struct definition_integer {
+ struct definition p;
+ struct type_integer *type;
/* Last values read */
union {
uint64_t _unsigned;
} value;
};
-struct type_class_float {
- struct type_class p;
- struct type_class_integer *sign;
- struct type_class_integer *mantissa;
- struct type_class_integer *exp;
+struct type_float {
+ struct type p;
+ struct type_integer *sign;
+ struct type_integer *mantissa;
+ struct type_integer *exp;
int byte_order;
/* TODO: we might want to express more info about NaN, +inf and -inf */
};
-struct type_float {
- struct type p;
- struct type_class_float *_class;
+struct definition_float {
+ struct definition p;
+ struct type_float *type;
/* Last values read */
long double value;
};
GHashTable *quark_to_range_set; /* (GQuark, range GArray) */
};
-struct type_class_enum {
- struct type_class_integer p; /* inherit from integer */
+struct type_enum {
+ struct type p;
+ struct type_integer *integer_type;
struct enum_table table;
};
-struct type_enum {
- struct type p;
- struct type_class_enum *_class;
+struct definition_enum {
+ struct definition p;
+ struct definition_integer *integer;
+ struct type_enum *type;
/* Last GQuark values read. Keeping a reference on the GQuark array. */
GArray *value;
};
-struct type_class_string {
- struct type_class p;
-};
-
struct type_string {
struct type p;
- struct type_class_string *_class;
- char *value; /* freed at type_string teardown */
};
-struct type_class_field {
- GQuark name;
- struct type_class *type_class;
+struct definition_string {
+ struct definition p;
+ struct type_string *type;
+ char *value; /* freed at definition_string teardown */
};
-struct field {
+struct type_field {
+ GQuark name;
struct type *type;
};
-struct type_class_struct {
- struct type_class p;
- GHashTable *fields_by_name; /* Tuples (field name, field index) */
- GArray *fields; /* Array of type_class_field */
+struct field {
+ GQuark name;
+ struct definition *definition;
};
struct type_struct {
struct type p;
- struct type_class_struct *_class;
- struct declaration_scope *scope;
- GArray *fields; /* Array of struct field */
+ GHashTable *fields_by_name; /* Tuples (field name, field index) */
+ struct type_scope *scope;
+ GArray *fields; /* Array of type_field */
};
-struct type_class_variant {
- struct type_class p;
- GHashTable *fields_by_tag; /* Tuples (field tag, field index) */
- GArray *fields; /* Array of type_class_field */
+struct definition_struct {
+ struct definition p;
+ struct type_struct *type;
+ struct definition_scope *scope;
+ GArray *fields; /* Array of struct field */
};
struct type_variant {
struct type p;
- struct type_class_variant *_class;
- struct declaration_scope *scope;
- struct type *tag;
- GArray *fields; /* Array of struct field */
- struct field *current_field; /* Last field read */
+ GHashTable *fields_by_tag; /* Tuples (field tag, field index) */
+ struct type_scope *scope;
+ GArray *fields; /* Array of type_field */
+ GQuark tag_name; /* TODO */
+ /* Tag name must be nonzero and must exist when defining the variant */
};
-struct type_class_array {
- struct type_class p;
- size_t len;
- struct type_class *elem;
+struct definition_variant {
+ struct definition p;
+ struct type_variant *type;
+ struct definition_scope *scope;
+ struct definition *enum_tag;
+ GArray *fields; /* Array of struct field */
+ struct field *current_field; /* Last field read */
};
struct type_array {
struct type p;
- struct type_class_array *_class;
- struct declaration_scope *scope;
- struct field current_element; /* struct field */
+ size_t len;
+ struct type *elem;
+ struct type_scope *scope;
};
-struct type_class_sequence {
- struct type_class p;
- struct type_class_integer *len_class;
- struct type_class *elem;
+struct definition_array {
+ struct definition p;
+ struct type_array *type;
+ struct definition_scope *scope;
+ struct field current_element; /* struct field */
};
struct type_sequence {
struct type p;
- struct type_class_sequence *_class;
- struct declaration_scope *scope;
- struct type_integer *len;
- struct field current_element; /* struct field */
+ struct type_integer *len_type;
+ struct type *elem;
+ struct type_scope *scope;
};
-/* Type declaration scope */
-struct declaration_scope {
- /* Hash table mapping type name GQuark to struct type_class */
- GHashTable *type_classes;
- struct declaration_scope *parent_scope;
+struct definition_sequence {
+ struct definition p;
+ struct type_sequence *type;
+ struct definition_scope *scope;
+ struct definition_integer *len;
+ struct field current_element; /* struct field */
};
-struct type_class *lookup_type_class(GQuark qname,
- struct declaration_scope *scope);
-int register_type_class(struct type_class *type_class,
- struct declaration_scope *scope);
+int register_type(GQuark type_name, struct definition *definition,
+ struct type_scope *scope);
+struct definition *lookup_type(GQuark type_name,
+ struct type_scope *scope);
-void type_class_ref(struct type_class *type_class);
-void type_class_unref(struct type_class *type_class);
+/*
+ * Type scopes also contain a separate registry for struct, variant and
+ * enum types. Those register types rather than type definitions, so
+ * that a named variant can be declared without specifying its target
+ * "choice" tag field immediately.
+ */
+int register_struct_type(GQuark struct_name, struct type_struct *struct_type,
+ struct type_scope *scope);
+struct type_struct *lookup_struct_type(GQuark struct_name,
+ struct type_scope *scope);
+int register_variant_type(GQuark variant_name,
+ struct type_variant *variant_type,
+ struct type_scope *scope);
+struct type_variant *lookup_variant_type(GQuark variant_name,
+ struct type_scope *scope);
+int register_enum_type(GQuark enum_name, struct type_enum *enum_type,
+ struct type_scope *scope);
+struct type_enum *lookup_enum_type(GQuark enum_name,
+ struct type_scope *scope);
+
+struct type_scope *new_type_scope(struct type_scope *parent_scope);
+void free_type_scope(struct type_scope *scope);
-struct declaration_scope *
-new_declaration_scope(struct declaration_scope *parent_scope);
-void free_declaration_scope(struct declaration_scope *scope);
+/*
+ * field_definition is for field definitions. They are registered into
+ * definition scopes.
+ */
+struct definition *
+ lookup_field_definition(GQuark field_name,
+ struct definition_scope *scope);
+int register_field_definition(GQuark field_name,
+ struct definition *definition,
+ struct definition_scope *scope);
+struct definition_scope *
+ new_definition_scope(struct definition_scope *parent_scope);
+void free_definition_scope(struct definition_scope *scope);
void type_ref(struct type *type);
void type_unref(struct type *type);
+void definition_ref(struct definition *definition);
+void definition_unref(struct definition *definition);
+
/* Nameless types can be created by passing a NULL name */
-struct type_class_integer *integer_type_class_new(const char *name,
- size_t len, int byte_order,
- int signedness,
- size_t alignment);
+struct type_integer *integer_type_new(const char *name,
+ size_t len, int byte_order,
+ int signedness, size_t alignment);
/*
* mantissa_len is the length of the number of bytes represented by the mantissa
* (e.g. result of DBL_MANT_DIG). It includes the leading 1.
*/
-struct type_class_float *float_type_class_new(const char *name,
- size_t mantissa_len,
- size_t exp_len, int byte_order,
- size_t alignment);
+struct type_float *float_type_new(const char *name,
+ size_t mantissa_len,
+ size_t exp_len, int byte_order,
+ size_t alignment);
/*
* A GQuark can be translated to/from strings with g_quark_from_string() and
* Returns a GArray of GQuark or NULL.
* Caller must release the GArray with g_array_unref().
*/
-GArray *enum_uint_to_quark_set(const struct type_class_enum *enum_class,
- uint64_t v);
+GArray *enum_uint_to_quark_set(const struct type_enum *enum_type, uint64_t v);
/*
* Returns a GArray of GQuark or NULL.
* Caller must release the GArray with g_array_unref().
*/
-GArray *enum_int_to_quark_set(const struct type_class_enum *enum_class,
- uint64_t v);
+GArray *enum_int_to_quark_set(const struct type_enum *enum_type, uint64_t v);
/*
* Returns a GArray of struct enum_range or NULL.
* Callers do _not_ own the returned GArray (and therefore _don't_ need to
* release it).
*/
-GArray *enum_quark_to_range_set(const struct type_class_enum *enum_class,
- GQuark q);
-void enum_signed_insert(struct type_class_enum *enum_class,
+GArray *enum_quark_to_range_set(const struct type_enum *enum_type, GQuark q);
+void enum_signed_insert(struct type_enum *enum_type,
int64_t start, int64_t end, GQuark q);
-void enum_unsigned_insert(struct type_class_enum *enum_class,
+void enum_unsigned_insert(struct type_enum *enum_type,
uint64_t start, uint64_t end, GQuark q);
-size_t enum_get_nr_enumerators(struct type_class_enum *enum_class);
+size_t enum_get_nr_enumerators(struct type_enum *enum_type);
-struct type_class_enum *enum_type_class_new(const char *name,
- size_t len, int byte_order,
- int signedness,
- size_t alignment);
+struct type_enum *enum_type_new(const char *name,
+ struct type_integer *integer_type);
-struct type_class_struct *struct_type_class_new(const char *name);
-void struct_type_class_add_field(struct type_class_struct *struct_class,
- const char *field_name,
- struct type_class *type_class);
+struct type_struct *struct_type_new(const char *name,
+ struct type_scope *parent_scope);
+void struct_type_add_field(struct type_struct *struct_type,
+ const char *field_name, struct type *field_type);
/*
* Returns the index of a field within a structure.
*/
-unsigned long
-struct_type_class_lookup_field_index(struct type_class_struct *struct_class,
- GQuark field_name);
+unsigned long struct_type_lookup_field_index(struct type_struct *struct_type,
+ GQuark field_name);
/*
* 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);
-struct field *
-struct_type_get_field_from_index(struct type_struct *_struct,
+struct type_field *
+struct_type_get_field_from_index(struct type_struct *struct_type,
unsigned long index);
+struct field *
+struct_get_field_from_index(struct definition_struct *struct_definition,
+ unsigned long index);
/*
* The tag enumeration is validated to ensure that it contains only mappings
* from numeric values to a single tag. Overlapping tag value ranges are
* therefore forbidden.
*/
-struct type_class_variant *variant_type_class_new(const char *name);
-void variant_type_class_add_field(struct type_class_variant *variant_class,
- const char *tag_name,
- struct type_class *type_class);
-struct type_class_field *
-variant_type_class_get_field_from_tag(struct type_class_variant *variant_class,
- GQuark tag);
+struct type_variant *variant_type_new(const char *name,
+ struct type_scope *parent_scope);
+void variant_type_add_field(struct type_variant *variant_type,
+ const char *tag_name, struct type *tag_type);
+struct type_field *
+variant_type_get_field_from_tag(struct type_variant *variant_type, GQuark tag);
/*
* Returns 0 on success, -EPERM on error.
*/
-int variant_type_set_tag(struct type_variant *variant,
- struct type *enum_tag_instance);
+int variant_definition_set_tag(struct definition_variant *variant,
+ struct definition *enum_tag);
/*
* Returns the field selected by the current tag value.
* field returned only valid as long as the variant structure is not appended
* to.
*/
struct field *
-variant_type_get_current_field(struct type_variant *variant);
+variant_get_current_field(struct definition_variant *variant);
/*
- * elem_class passed as parameter now belongs to the array. No need to free it
+ * elem_type passed as parameter now belongs to the array. No need to free it
* explicitly. "len" is the number of elements in the array.
*/
-struct type_class_array *array_type_class_new(const char *name,
- size_t len,
- struct type_class *elem_class);
+struct type_array *array_type_new(const char *name,
+ size_t len, struct type *elem_type,
+ struct type_scope *parent_scope);
/*
- * int_class and elem_class passed as parameter now belongs to the sequence. No
+ * int_type and elem_type passed as parameter now belong to the sequence. No
* need to free them explicitly.
*/
-struct type_class_sequence *sequence_type_class_new(const char *name,
- struct type_class_integer *len_class,
- struct type_class *elem_class);
+struct type_sequence *sequence_type_new(const char *name,
+ struct type_integer *len_type,
+ struct type *elem_type,
+ struct type_scope *parent_scope);
#endif /* _BABELTRACE_TYPES_H */