:parent enum)))
(collect-val val-name)
(appendf (proto-values enum) (list enum-val))))
+ (multiple-value-bind (allow bool foundp) (find-option options "allow_alias")
+ (declare (ignore bool))
+ (when (and foundp (not (boolean-true-p allow)))
+ (dolist (v1 (proto-values enum))
+ (dolist (v2 (proto-values enum))
+ (unless (or (eq v1 v2)
+ (not (eql (proto-index v1) (proto-index v2))))
+ (error "The enum values ~S and ~S in ~S have the same index and you have not used 'option allow_alias = true'"
+ (proto-name v1) (proto-name v2) (proto-class enum)))))))
(if alias-for
;; If we've got an alias, define a a type that is the subtype of
;; the Lisp enum so that typep and subtypep work
((with-proto-source-location (,type ,name protobuf-enum ,@source-location)
,@forms))))))
+;; Helper for message-like forms
+(defun generate-message-forms (type fields env &aux (index 0))
+ "Generates the forms used by DEFINE-MESSAGE and DEFINE-GROUP."
+ (with-accessors ((alias-for proto-alias-for)
+ (conc-name proto-conc-name)
+ (documentation proto-documentation))
+ *protobuf*
+ (with-collectors ((slots collect-slot)
+ (forms collect-form)
+ ;; The typedef needs to be first in forms otherwise ccl warns.
+ ;; We'll collect them separately and splice them in first.
+ (type-forms collect-type-form))
+ (dolist (field fields)
+ (case (car field)
+ ((define-enum define-message define-extend define-extension define-group
+ define-type-alias)
+ (destructuring-bind (&optional progn model-type model definers extra-field extra-slot)
+ (macroexpand-1 field env)
+ (assert (eq progn 'progn) ()
+ "The macroexpansion for ~S failed" field)
+ (map () #'collect-form definers)
+ (ecase model-type
+ ((define-enum)
+ (appendf (proto-enums *protobuf*) (list model)))
+ ((define-type-alias)
+ (appendf (proto-type-aliases *protobuf*) (list model)))
+ ((define-message define-extend)
+ (setf (proto-parent model) *protobuf*)
+ (appendf (proto-messages *protobuf*) (list model))
+ (when (eq (proto-message-type model) :extends)
+ (appendf (proto-extenders *protobuf*) (list model))))
+ ((define-group)
+ (setf (proto-parent model) *protobuf*)
+ (appendf (proto-messages *protobuf*) (list model))
+ (when extra-slot
+ (collect-slot extra-slot))
+ (appendf (proto-fields *protobuf*) (list extra-field)))
+ ((define-extension)
+ (appendf (proto-extensions *protobuf*) (list model))))))
+ (otherwise
+ (multiple-value-bind (field slot idx)
+ (process-field field index :conc-name conc-name :alias-for alias-for)
+ (assert (not (find-field *protobuf* (proto-index field))) ()
+ "The field ~S overlaps with another field in ~S"
+ (proto-value field) (proto-class *protobuf*))
+ (setq index idx)
+ (when slot
+ (collect-slot slot))
+ (appendf (proto-fields *protobuf*) (list field))))))
+ (if alias-for
+ ;; If we've got an alias, define a type that is the subtype of
+ ;; the Lisp class that typep and subtypep work
+ (unless (or (eq type alias-for) (find-class type nil))
+ (collect-type-form `(deftype ,type () ',alias-for)))
+ ;; If no alias, define the class now
+ (collect-type-form `(defclass ,type (#+use-base-protobuf-message base-protobuf-message)
+ ,slots
+ ,@(and documentation `((:documentation ,documentation))))))
+ (nconc type-forms forms))))
+
+
;; Define a message named 'name' and a Lisp 'defclass'
(defmacro define-message (type (&key name conc-name alias-for options
documentation source-location)
:options (remove-options options "default" "packed")
:documentation documentation
:source-location source-location))
- (index 0)
;; Only now can we bind *protobuf* to the new message
(*protobuf* message))
- (with-collectors ((slots collect-slot)
- (forms collect-form)
- ;; The typedef needs to be first in forms otherwise ccl warns.
- ;; We'll collect them separately and splice them in first.
- (type-forms collect-type-form))
- (dolist (field fields)
- (case (car field)
- ((define-enum define-message define-extend define-extension define-group
- define-type-alias)
- (destructuring-bind (&optional progn model-type model definers extra-field extra-slot)
- (macroexpand-1 field env)
- (assert (eq progn 'progn) ()
- "The macroexpansion for ~S failed" field)
- (map () #'collect-form definers)
- (ecase model-type
- ((define-enum)
- (appendf (proto-enums message) (list model)))
- ((define-type-alias)
- (appendf (proto-type-aliases message) (list model)))
- ((define-message define-extend)
- (setf (proto-parent model) message)
- (appendf (proto-messages message) (list model))
- (when (eq (proto-message-type model) :extends)
- (appendf (proto-extenders message) (list model))))
- ((define-group)
- (setf (proto-parent model) message)
- (appendf (proto-messages message) (list model))
- (when extra-slot
- (collect-slot extra-slot))
- (appendf (proto-fields message) (list extra-field)))
- ((define-extension)
- (appendf (proto-extensions message) (list model))))))
- (otherwise
- (multiple-value-bind (field slot idx)
- (process-field field index :conc-name conc-name :alias-for alias-for)
- (assert (not (find-field message (proto-index field))) ()
- "The field ~S overlaps with another field in ~S"
- (proto-value field) (proto-class message))
- (setq index idx)
- (when slot
- (collect-slot slot))
- (appendf (proto-fields message) (list field))))))
- (if alias-for
- ;; If we've got an alias, define a a type that is the subtype of
- ;; the Lisp class that typep and subtypep work
- (unless (or (eq type alias-for) (find-class type nil))
- (collect-type-form `(deftype ,type () ',alias-for)))
- ;; If no alias, define the class now
- (collect-type-form `(defclass ,type (#+use-base-protobuf-message base-protobuf-message) (,@slots)
- ,@(and documentation `((:documentation ,documentation))))))
- `(progn
- define-message
- ,message
- ((with-proto-source-location (,type ,name protobuf-message ,@source-location)
- ,@type-forms
- ,@forms))))))
+ `(progn
+ define-message
+ ,message
+ ((with-proto-source-location (,type ,name protobuf-message ,@source-location)
+ ,@(generate-message-forms type fields env))))))
(defun conc-name-for-type (type conc-name)
(and conc-name
'reader' is a Lisp slot reader function to use to get the value, instead of
using 'slot-value'; this is often used when aliasing an existing class.
'writer' is a Lisp slot writer function to use to set the value."
- (let* ((name (or name (class-name->proto type)))
- (options (loop for (key val) on options by #'cddr
- collect (make-option (if (symbolp key) (slot-name->proto key) key) val)))
- (message (find-message *protobuf* type))
- (conc-name (or (conc-name-for-type type conc-name)
- (and message (proto-conc-name message))))
- (alias-for (and message (proto-alias-for message)))
- (extends (and message
- (make-instance 'protobuf-message
- :class (proto-class message)
- :name (proto-name message)
- :qualified-name (proto-qualified-name message)
- :parent *protobuf*
- :alias-for alias-for
- :conc-name conc-name
- :enums (copy-list (proto-enums message))
- :messages (copy-list (proto-messages message))
- :fields (copy-list (proto-fields message))
- :extensions (copy-list (proto-extensions message))
- :options (remove-options
- (or options (copy-list (proto-options message))) "default" "packed")
- :message-type :extends ;this message is an extension
- :documentation documentation
- :type-aliases (copy-list (proto-type-aliases message)))))
- ;; Only now can we bind *protobuf* to the new extended message
- (*protobuf* extends)
- (index 0))
- (assert message ()
- "There is no message named ~A to extend" name)
- (assert (eq type (proto-class message)) ()
- "The type ~S doesn't match the type of the message being extended ~S"
- type message)
- (with-collectors ((forms collect-form))
- (dolist (field fields)
- (assert (not (member (car field)
- '(define-enum define-message define-extend define-extension
- define-type-alias))) ()
- "The body of ~S can only contain field and group definitions" 'define-extend)
- (case (car field)
- ((define-group)
- (destructuring-bind (&optional progn model-type model definers extra-field extra-slot)
- (macroexpand-1 field env)
- (assert (eq progn 'progn) ()
- "The macroexpansion for ~S failed" field)
- (map () #'collect-form definers)
- (ecase model-type
- ((define-group)
- (setf (proto-parent model) extends)
- (appendf (proto-messages extends) (list model))
- (when extra-slot
- ;;--- Refactor to get rid of all this duplicated code!
- (let* ((inits (cdr extra-slot))
- (sname (car extra-slot))
- (stable (fintern "~A-VALUES" sname))
- (stype (getf inits :type))
- (reader (or (getf inits :accessor)
- (getf inits :reader)
- (intern (if conc-name (format nil "~A~A" conc-name sname) (symbol-name sname))
- *protobuf-package*)))
- (writer (or (getf inits :writer)
- (intern (format nil "~A-~A" 'set reader) *protobuf-package*)))
- (default (getf inits :initform)))
- (collect-form `(without-redefinition-warnings ()
- (let ((,stable (tg:make-weak-hash-table :weakness :value :test #'eq)))
- ,@(and reader `((defmethod ,reader ((object ,type))
- (gethash object ,stable ,default))))
- ,@(and writer `((defmethod ,writer ((object ,type) value)
- (declare (type ,stype value))
- (setf (gethash object ,stable) value))))
- ;; For Python compatibility
- (defmethod get-extension ((object ,type) (slot (eql ',sname)))
- (values (gethash object ,stable ,default)))
- (defmethod set-extension ((object ,type) (slot (eql ',sname)) value)
- (setf (gethash object ,stable) value))
- (defmethod has-extension ((object ,type) (slot (eql ',sname)))
- (multiple-value-bind (value foundp)
- (gethash object ,stable)
- (declare (ignore value))
- foundp))
- (defmethod clear-extension ((object ,type) (slot (eql ',sname)))
- (remhash object ,stable)))
- ,@(and writer
- ;; 'defsetf' needs to be visible at compile time
- `((eval-when (:compile-toplevel :load-toplevel :execute)
- (defsetf ,reader ,writer))))))))
- (setf (proto-message-type extra-field) :extends) ;this field is an extension
- (appendf (proto-fields extends) (list extra-field))
- (appendf (proto-extended-fields extends) (list extra-field))))))
- (otherwise
- (multiple-value-bind (field slot idx)
- (process-field field index :conc-name conc-name :alias-for alias-for)
- (assert (not (find-field extends (proto-index field))) ()
- "The field ~S overlaps with another field in ~S"
- (proto-value field) (proto-class extends))
- (assert (index-within-extensions-p idx message) ()
- "The index ~D is not in range for extending ~S"
- idx (proto-class message))
- (setq index idx)
- (when slot
- (let* ((inits (cdr slot))
- (sname (car slot))
- (stable (fintern "~A-VALUES" sname))
- (stype (getf inits :type))
- (reader (or (getf inits :accessor)
- (getf inits :reader)
- (intern (if conc-name (format nil "~A~A" conc-name sname) (symbol-name sname))
- *protobuf-package*)))
- (writer (or (getf inits :writer)
- (intern (format nil "~A-~A" 'set reader) *protobuf-package*)))
- (default (getf inits :initform)))
- ;; For the extended slots, each slot gets its own table
- ;; keyed by the object, which lets us avoid having a slot in each
- ;; instance that holds a table keyed by the slot name
- ;; Multiple 'define-extends' on the same class in the same image
- ;; will result in harmless redefinitions, so squelch the warnings
- ;;--- Maybe these methods need to be defined in 'define-message'?
- (collect-form `(without-redefinition-warnings ()
- (let ((,stable (tg:make-weak-hash-table :weakness :value :test #'eq)))
- ,@(and reader `((defmethod ,reader ((object ,type))
- (gethash object ,stable ,default))))
- ,@(and writer `((defmethod ,writer ((object ,type) value)
- (declare (type ,stype value))
- (setf (gethash object ,stable) value))))
- (defmethod get-extension ((object ,type) (slot (eql ',sname)))
- (values (gethash object ,stable ,default)))
- (defmethod set-extension ((object ,type) (slot (eql ',sname)) value)
- (setf (gethash object ,stable) value))
- (defmethod has-extension ((object ,type) (slot (eql ',sname)))
- (multiple-value-bind (value foundp)
- (gethash object ,stable)
- (declare (ignore value))
- foundp))
- (defmethod clear-extension ((object ,type) (slot (eql ',sname)))
- (remhash object ,stable)))
- ,@(and writer
- `((eval-when (:compile-toplevel :load-toplevel :execute)
- (defsetf ,reader ,writer))))))
- ;; This so that (de)serialization works
- (setf (proto-reader field) reader
- (proto-writer field) writer)))
- (setf (proto-message-type field) :extends) ;this field is an extension
- (appendf (proto-fields extends) (list field))
- (appendf (proto-extended-fields extends) (list field))))))
- `(progn
- define-extend
- ,extends
- ,forms))))
+ (flet ((gen-extend-field-forms (slot &optional field)
+ (let* ((inits (cdr slot))
+ (sname (car slot))
+ (stable (fintern "~A-VALUES" sname))
+ (stype (getf inits :type))
+ (reader (or (getf inits :accessor)
+ (getf inits :reader)
+ (intern (if conc-name (format nil "~A~A" conc-name sname) (symbol-name sname))
+ *protobuf-package*)))
+ (writer (or (getf inits :writer)
+ (intern (format nil "~A-~A" 'set reader) *protobuf-package*)))
+ (default (getf inits :initform)))
+ (when field
+ ;; This so that (de)serialization works
+ (setf (proto-reader field) reader
+ (proto-writer field) writer))
+
+ ;; For the extended slots, each slot gets its own table
+ ;; keyed by the object, which lets us avoid having a slot in each
+ ;; instance that holds a table keyed by the slot name.
+ ;; Multiple 'define-extends' on the same class in the same image
+ ;; will result in harmless redefinitions, so squelch the warnings
+ ;;--- Maybe these methods need to be defined in 'define-message'?
+ `(without-redefinition-warnings ()
+ (let ((,stable (tg:make-weak-hash-table :weakness :value :test #'eq)))
+ ,@(and reader `((defmethod ,reader ((object ,type))
+ (gethash object ,stable ,default))))
+ ,@(and writer `((defmethod ,writer ((object ,type) value)
+ (declare (type ,stype value))
+ (setf (gethash object ,stable) value))))
+ ;; For Python compatibility
+ (defmethod get-extension ((object ,type) (slot (eql ',sname)))
+ (values (gethash object ,stable ,default)))
+ (defmethod set-extension ((object ,type) (slot (eql ',sname)) value)
+ (setf (gethash object ,stable) value))
+ (defmethod has-extension ((object ,type) (slot (eql ',sname)))
+ (multiple-value-bind (value foundp)
+ (gethash object ,stable)
+ (declare (ignore value))
+ foundp))
+ (defmethod clear-extension ((object ,type) (slot (eql ',sname)))
+ (remhash object ,stable)))
+ ;; 'defsetf' needs to be visible at compile time
+ ,@(and writer `((eval-when (:compile-toplevel :load-toplevel :execute)
+ (defsetf ,reader ,writer)))))))
+ (process-extend-field (field)
+ (setf (proto-message-type field) :extends) ;this field is an extension
+ (appendf (proto-fields *protobuf*) (list field))
+ (appendf (proto-extended-fields *protobuf*) (list field))))
+ (let* ((name (or name (class-name->proto type)))
+ (options (loop for (key val) on options by #'cddr
+ collect (make-option (if (symbolp key) (slot-name->proto key) key) val)))
+ (message (find-message *protobuf* type))
+ (conc-name (or (conc-name-for-type type conc-name)
+ (and message (proto-conc-name message))))
+ (alias-for (and message (proto-alias-for message)))
+ (extends (and message
+ (make-instance 'protobuf-message
+ :class (proto-class message)
+ :name (proto-name message)
+ :qualified-name (proto-qualified-name message)
+ :parent *protobuf*
+ :alias-for alias-for
+ :conc-name conc-name
+ :enums (copy-list (proto-enums message))
+ :messages (copy-list (proto-messages message))
+ :fields (copy-list (proto-fields message))
+ :extensions (copy-list (proto-extensions message))
+ :options (remove-options
+ (or options (copy-list (proto-options message))) "default" "packed")
+ :message-type :extends ;this message is an extension
+ :documentation documentation
+ :type-aliases (copy-list (proto-type-aliases message)))))
+ ;; Only now can we bind *protobuf* to the new extended message
+ (*protobuf* extends)
+ (index 0))
+ (assert message ()
+ "There is no message named ~A to extend" name)
+ (assert (eq type (proto-class message)) ()
+ "The type ~S doesn't match the type of the message being extended ~S"
+ type message)
+ (with-collectors ((forms collect-form))
+ (dolist (field fields)
+ (assert (not (member (car field)
+ '(define-enum define-message define-extend define-extension
+ define-type-alias))) ()
+ "The body of ~S can only contain field and group definitions" 'define-extend)
+ (case (car field)
+ ((define-group)
+ (destructuring-bind (&optional progn model-type model definers extra-field extra-slot)
+ (macroexpand-1 field env)
+ (assert (and (eq progn 'progn)
+ (eq model-type 'define-group))
+ ()
+ "The macroexpansion for ~S failed" field)
+ (map () #'collect-form definers)
+ (setf (proto-parent model) extends)
+ (appendf (proto-messages extends) (list model))
+ (when extra-slot
+ (collect-form (gen-extend-field-forms extra-slot)))
+ (process-extend-field extra-field)))
+ (otherwise
+ (multiple-value-bind (field slot idx)
+ (process-field field index :conc-name conc-name :alias-for alias-for)
+ (assert (not (find-field extends (proto-index field))) ()
+ "The field ~S overlaps with another field in ~S"
+ (proto-value field) (proto-class extends))
+ (assert (index-within-extensions-p idx message) ()
+ "The index ~D is not in range for extending ~S"
+ idx (proto-class message))
+ (setq index idx)
+ (when slot
+ (collect-form (gen-extend-field-forms slot field)))
+ (process-extend-field field)))))
+ `(progn
+ define-extend
+ ,extends
+ ,forms)))))
(defun index-within-extensions-p (index message)
(let ((extensions (proto-extensions message)))
:message-type :group ;this message is a group
:documentation documentation
:source-location source-location))
- (index 0)
;; Only now can we bind *protobuf* to the (group) message
(*protobuf* message))
- (with-collectors ((slots collect-slot)
- (forms collect-form)
- ;; The typedef needs to be first in forms otherwise ccl warns.
- ;; We'll collect them separately and splice them in first.
- (type-forms collect-type-form))
- (dolist (field fields)
- (case (car field)
- ((define-enum define-message define-extend define-extension define-group
- define-type-alias)
- (destructuring-bind (&optional progn model-type model definers extra-field extra-slot)
- (macroexpand-1 field env)
- (assert (eq progn 'progn) ()
- "The macroexpansion for ~S failed" field)
- (map () #'collect-form definers)
- (ecase model-type
- ((define-enum)
- (appendf (proto-enums message) (list model)))
- ((define-type-alias)
- (appendf (proto-type-aliases message) (list model)))
- ((define-message define-extend)
- (setf (proto-parent model) message)
- (appendf (proto-messages message) (list model))
- (when (eq (proto-message-type model) :extends)
- (appendf (proto-extenders message) (list model))))
- ((define-group)
- (setf (proto-parent model) message)
- (appendf (proto-messages message) (list model))
- (when extra-slot
- (collect-slot extra-slot))
- (appendf (proto-fields message) (list extra-field)))
- ((define-extension)
- (appendf (proto-extensions message) (list model))))))
- (otherwise
- (multiple-value-bind (field slot idx)
- (process-field field index :conc-name conc-name :alias-for alias-for)
- (assert (not (find-field message (proto-index field))) ()
- "The field ~S overlaps with another field in ~S"
- (proto-value field) (proto-class message))
- (setq index idx)
- (when slot
- (collect-slot slot))
- (appendf (proto-fields message) (list field))))))
- (if alias-for
- ;; If we've got an alias, define a a type that is the subtype of
- ;; the Lisp class that typep and subtypep work
- (unless (or (eq type alias-for) (find-class type nil))
- (collect-type-form `(deftype ,type () ',alias-for)))
- ;; If no alias, define the class now
- (collect-type-form `(defclass ,type (#+use-base-protobuf-message base-protobuf-message) (,@slots)
- ,@(and documentation `((:documentation ,documentation))))))
- `(progn
- define-group
- ,message
- ((with-proto-source-location (,type ,name protobuf-message ,@source-location)
- ,@type-forms
- ,@forms))
- ,mfield
- ,mslot))))
+ `(progn
+ define-group
+ ,message
+ ((with-proto-source-location (,type ,name protobuf-message ,@source-location)
+ ,@(generate-message-forms type fields env)))
+ ,mfield
+ ,mslot)))
(defun process-field (field index &key conc-name alias-for)
"Process one field descriptor within 'define-message' or 'define-extend'.