}
struct format;
-struct declaration;
-
-/* Type declaration scope */
-struct declaration_scope {
- /* Hash table mapping type name GQuark to struct type */
- GHashTable *types;
- /* Hash table mapping field name GQuark to struct declaration */
- GHashTable *declarations;
- struct declaration_scope *parent_scope;
+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;
+};
+
+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 */
* type_free called with type ref is decremented to 0.
*/
void (*type_free)(struct type *type);
- struct declaration *
- (*declaration_new)(struct type *type,
- struct declaration_scope *parent_scope);
+ struct definition *
+ (*definition_new)(struct type *type,
+ struct definition_scope *parent_scope);
/*
- * declaration_free called with declaration ref is decremented to 0.
+ * definition_free called with definition ref is decremented to 0.
*/
- void (*declaration_free)(struct declaration *declaration);
+ void (*definition_free)(struct definition *definition);
/*
- * Declaration copy function. Knows how to find the child declaration
- * from the parent declaration.
+ * 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 declaration *declaration);
+ struct definition *definition);
};
-struct declaration {
+struct definition {
struct type *type;
- int ref; /* number of references to the declaration */
+ int ref; /* number of references to the definition */
};
/*
int signedness;
};
-struct declaration_integer {
- struct declaration p;
+struct definition_integer {
+ struct definition p;
struct type_integer *type;
/* Last values read */
union {
/* TODO: we might want to express more info about NaN, +inf and -inf */
};
-struct declaration_float {
- struct declaration p;
+struct definition_float {
+ struct definition p;
struct type_float *type;
/* Last values read */
long double value;
struct enum_table table;
};
-struct declaration_enum {
- struct declaration p;
- struct declaration_integer *integer;
+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 p;
};
-struct declaration_string {
- struct declaration p;
+struct definition_string {
+ struct definition p;
struct type_string *type;
- char *value; /* freed at declaration_string teardown */
+ char *value; /* freed at definition_string teardown */
};
struct type_field {
struct field {
GQuark name;
- struct declaration *declaration;
+ struct definition *definition;
};
struct type_struct {
struct type p;
GHashTable *fields_by_name; /* Tuples (field name, field index) */
+ struct type_scope *scope;
GArray *fields; /* Array of type_field */
};
-struct declaration_struct {
- struct declaration p;
+struct definition_struct {
+ struct definition p;
struct type_struct *type;
- struct declaration_scope *scope;
+ struct definition_scope *scope;
GArray *fields; /* Array of struct field */
};
struct type_variant {
struct type p;
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 declaration_variant {
- struct declaration p;
+struct definition_variant {
+ struct definition p;
struct type_variant *type;
- struct declaration_scope *scope;
- struct declaration *enum_tag;
+ struct definition_scope *scope;
+ struct definition *enum_tag;
GArray *fields; /* Array of struct field */
struct field *current_field; /* Last field read */
};
struct type p;
size_t len;
struct type *elem;
+ struct type_scope *scope;
};
-struct declaration_array {
- struct declaration p;
+struct definition_array {
+ struct definition p;
struct type_array *type;
- struct declaration_scope *scope;
+ struct definition_scope *scope;
struct field current_element; /* struct field */
};
struct type p;
struct type_integer *len_type;
struct type *elem;
+ struct type_scope *scope;
};
-struct declaration_sequence {
- struct declaration p;
+struct definition_sequence {
+ struct definition p;
struct type_sequence *type;
- struct declaration_scope *scope;
- struct declaration_integer *len;
+ struct definition_scope *scope;
+ struct definition_integer *len;
struct field current_element; /* struct field */
};
-struct type *lookup_type(GQuark type_name, struct declaration_scope *scope);
-int register_type(struct type *type, 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);
+
+/*
+ * 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 *
- lookup_declaration(GQuark field_name, struct declaration_scope *scope);
-int register_declaration(GQuark field_name, struct declaration *declaration,
- 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);
-struct declaration_scope *
- new_declaration_scope(struct declaration_scope *parent_scope);
-void free_declaration_scope(struct declaration_scope *scope);
-
-void declaration_ref(struct declaration *declaration);
-void declaration_unref(struct declaration *declaration);
+void definition_ref(struct definition *definition);
+void definition_unref(struct definition *definition);
/* Nameless types can be created by passing a NULL name */
struct type_enum *enum_type_new(const char *name,
struct type_integer *integer_type);
-struct type_struct *struct_type_new(const char *name);
+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);
/*
struct_type_get_field_from_index(struct type_struct *struct_type,
unsigned long index);
struct field *
-struct_get_field_from_index(struct declaration_struct *struct_declaration,
+struct_get_field_from_index(struct definition_struct *struct_definition,
unsigned long index);
/*
* from numeric values to a single tag. Overlapping tag value ranges are
* therefore forbidden.
*/
-struct type_variant *variant_type_new(const char *name);
+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 *
/*
* Returns 0 on success, -EPERM on error.
*/
-int variant_declaration_set_tag(struct declaration_variant *variant,
- struct declaration *enum_tag);
+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_get_current_field(struct declaration_variant *variant);
+variant_get_current_field(struct definition_variant *variant);
/*
* 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_array *array_type_new(const char *name,
- size_t len, struct type *elem_type);
+ size_t len, struct type *elem_type,
+ struct type_scope *parent_scope);
/*
* int_type and elem_type passed as parameter now belong to the sequence. No
*/
struct type_sequence *sequence_type_new(const char *name,
struct type_integer *len_type,
- struct type *elem_type);
+ struct type *elem_type,
+ struct type_scope *parent_scope);
#endif /* _BABELTRACE_TYPES_H */
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