+struct declaration_variant {
+ struct declaration p;
+ struct declaration_untagged_variant *untagged_variant;
+ GArray *tag_name; /* Array of GQuark */
+};
+
+/* A variant needs to be tagged to be defined. */
+struct definition_variant {
+ struct definition p;
+ struct declaration_variant *declaration;
+ struct definition_scope *scope;
+ struct definition *enum_tag;
+ GArray *fields; /* Array of struct field */
+ struct field *current_field; /* Last field read */
+};
+
+struct declaration_array {
+ struct declaration p;
+ size_t len;
+ struct declaration *elem;
+ struct declaration_scope *scope;
+};
+
+struct definition_array {
+ struct definition p;
+ struct declaration_array *declaration;
+ struct definition_scope *scope;
+ struct field current_element; /* struct field */
+};
+
+struct declaration_sequence {
+ struct declaration p;
+ struct declaration_integer *len_declaration;
+ struct declaration *elem;
+ struct declaration_scope *scope;
+};
+
+struct definition_sequence {
+ struct definition p;
+ struct declaration_sequence *declaration;
+ struct definition_scope *scope;
+ struct definition_integer *len;
+ struct field current_element; /* struct field */
+};
+
+int register_declaration(GQuark declaration_name,
+ struct declaration *declaration,
+ struct declaration_scope *scope);
+struct declaration *lookup_declaration(GQuark declaration_name,
+ struct declaration_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_declaration(GQuark struct_name,
+ struct declaration_struct *struct_declaration,
+ struct declaration_scope *scope);
+struct declaration_struct *
+ lookup_struct_declaration(GQuark struct_name,
+ struct declaration_scope *scope);
+int register_variant_declaration(GQuark variant_name,
+ struct declaration_variant *variant_declaration,
+ struct declaration_scope *scope);
+struct declaration_variant *lookup_variant_declaration(GQuark variant_name,
+ struct declaration_scope *scope);
+int register_enum_declaration(GQuark enum_name,
+ struct declaration_enum *enum_declaration,
+ struct declaration_scope *scope);
+struct declaration_enum *
+ lookup_enum_declaration(GQuark enum_name,
+ struct declaration_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_definition(GArray *cur_path, /* array of GQuark */
+ GArray *lookup_path, /* array of GQuark */
+ 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,
+ GQuark field_name);
+void set_dynamic_definition_scope(struct definition *definition,
+ struct definition_scope *scope,
+ const char *root_name);
+void free_definition_scope(struct definition_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 declarations can be created by passing a NULL name */
+
+struct declaration_integer *integer_declaration_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 declaration_float *float_declaration_new(const char *name,
+ size_t mantissa_len,
+ size_t exp_len, int byte_order,
+ size_t alignment);