(defun zig-zag-encode32 (val)
+ (declare (optimize (speed 3) (safety 0) (debug 0)))
(declare (type (signed-byte 32) val))
- (locally (declare (optimize (speed 3) (safety 0) (debug 0)))
- (logxor (ash val 1) (ash val -31))))
+ (logxor (ash val 1) (ash val -31)))
(defun zig-zag-encode64 (val)
+ (declare (optimize (speed 3) (safety 0) (debug 0)))
(declare (type (signed-byte 64) val))
- (locally (declare (optimize (speed 3) (safety 0) (debug 0)))
- (logxor (ash val 1) (ash val -63))))
+ (logxor (ash val 1) (ash val -63)))
(define-compiler-macro zig-zag-encode32 (&whole form val)
(if (atom val)
form))
(defun zig-zag-decode32 (val)
- (locally (declare (optimize (speed 3) (safety 0) (debug 0)))
- (logxor (ash val -1) (- (logand val 1)))))
+ (declare (optimize (speed 3) (safety 0) (debug 0)))
+ (logxor (ash val -1) (- (logand val 1))))
(defun zig-zag-decode64 (val)
- (locally (declare (optimize (speed 3) (safety 0) (debug 0)))
- (logxor (ash val -1) (- (logand val 1)))))
+ (declare (optimize (speed 3) (safety 0) (debug 0)))
+ (logxor (ash val -1) (- (logand val 1))))
(define-compiler-macro zig-zag-decode32 (&whole form val)
(if (atom val)
(defun serialize-prim (val type tag buffer index)
"Serializes a Protobufs primitive (scalar) value into the buffer at the given index.
The value is given by 'val', the primitive type by 'type'.
- Modifies the buffer in place, and returns the new index into the buffer."
+ Modifies the buffer in place, and returns the new index into the buffer.
+ Watch out, this function turns off most type checking and all array bounds checking."
(declare (type (simple-array (unsigned-byte 8)) buffer)
(type (unsigned-byte 32) tag)
(type fixnum index))
(defun serialize-packed (values type tag buffer index)
"Serializes a set of packed values into the buffer at the given index.
The values are given by 'values', the primitive type by 'type'.
- Modifies the buffer in place, and returns the new index into the buffer."
+ Modifies the buffer in place, and returns the new index into the buffer.
+ Watch out, this function turns off most type checking and all array bounds checking."
(declare (type (simple-array (unsigned-byte 8)) buffer)
(type (unsigned-byte 32) tag)
(type fixnum index))
(defun serialize-enum (val values tag buffer index)
"Serializes a Protobufs enum value into the buffer at the given index.
The value is given by 'val', the enum values are in 'values'.
- Modifies the buffer in place, and returns the new index into the buffer."
+ Modifies the buffer in place, and returns the new index into the buffer.
+ Watch out, this function turns off most type checking and all array bounds checking."
(declare (type (simple-array (unsigned-byte 8)) buffer)
(type (unsigned-byte 32) tag)
(type fixnum index))
(defun deserialize-prim (type buffer index)
"Deserializes the next object of primitive type 'type'.
Deserializes from the byte vector 'buffer' starting at 'index'.
- Returns the value and and the new index into the buffer."
+ Returns the value and and the new index into the buffer.
+ Watch out, this function turns off most type checking and all array bounds checking."
(declare (type (simple-array (unsigned-byte 8)) buffer)
(type fixnum index))
(locally (declare (optimize (speed 3) (safety 0) (debug 0)))
(defun deserialize-packed (type buffer index)
"Deserializes the next packed values of type 'type'.
Deserializes from the byte vector 'buffer' starting at 'index'.
- Returns the value and and the new index into the buffer."
+ Returns the value and and the new index into the buffer.
+ Watch out, this function turns off most type checking and all array bounds checking."
(declare (type (simple-array (unsigned-byte 8)) buffer)
(type fixnum index))
(locally (declare (optimize (speed 3) (safety 0) (debug 0)))
(defun deserialize-enum (values buffer index)
"Deserializes the next enum value take from 'values'.
Deserializes from the byte vector 'buffer' starting at 'index'.
- Returns the value and and the new index into the buffer."
+ Returns the value and and the new index into the buffer.
+ Watch out, this function turns off most type checking and all array bounds checking."
(declare (type (simple-array (unsigned-byte 8)) buffer)
(type fixnum index))
(locally (declare (optimize (speed 3) (safety 0) (debug 0)))
;;; Object sizing
(defun prim-size (val type tag)
- "Returns the size in bytes that the primitive object will take when serialized."
+ "Returns the size in bytes that the primitive object will take when serialized.
+ Watch out, this function turns off most type checking."
(declare (type (unsigned-byte 32) tag))
(locally (declare (optimize (speed 3) (safety 0) (debug 0)))
(ecase type
(let ((len (babel:string-size-in-octets val :encoding :utf-8)))
(i+ (length32 tag) (length32 len) len)))
((:bytes)
- (locally (declare (optimize (speed 3) (safety 0) (debug 0)))
- (let ((len (length val)))
- (i+ (length32 tag) (length32 len) len))))
+ (let ((len (length val)))
+ (i+ (length32 tag) (length32 len) len)))
((:bool)
(i+ (length32 tag) 1))
((:float)
form))
(defun packed-size (values type tag)
- "Returns the size in bytes that the packed object will take when serialized."
+ "Returns the size in bytes that the packed object will take when serialized.
+ Watch out, this function turns off most type checking."
(declare (type (unsigned-byte 32) tag))
(locally (declare (optimize (speed 3) (safety 0) (debug 0)))
(let ((len (let ((len 0))
(defun encode-uint32 (val buffer index)
"Encodes the unsigned 32-bit integer 'val' as a varint into the buffer
at the given index.
- Modifies the buffer, and returns the new index into the buffer."
+ Modifies the buffer, and returns the new index into the buffer.
+ Watch out, this function turns off all type checking and array bounds checking."
+ (declare (optimize (speed 3) (safety 0) (debug 0)))
(declare (type (unsigned-byte 32) val)
(type (simple-array (unsigned-byte 8)) buffer)
(type fixnum index))
- (locally (declare (optimize (speed 3) (safety 0) (debug 0)))
- ;; Seven bits at a time, least significant bits first
- (loop do (let ((bits (ldb #.(byte 7 0) val)))
- (declare (type (unsigned-byte 8) bits))
- (setq val (ash val -7))
- (setf (aref buffer index) (ilogior bits (if (zerop val) 0 128)))
- (iincf index))
- until (zerop val)))
+ ;; Seven bits at a time, least significant bits first
+ (loop do (let ((bits (ldb #.(byte 7 0) val)))
+ (declare (type (unsigned-byte 8) bits))
+ (setq val (ash val -7))
+ (setf (aref buffer index) (ilogior bits (if (zerop val) 0 128)))
+ (iincf index))
+ until (zerop val))
(values index buffer)) ;return the buffer to improve 'trace'
(defun encode-uint64 (val buffer index)
"Encodes the unsigned 64-bit integer 'val' as a varint into the buffer
at the given index.
- Modifies the buffer, and returns the new index into the buffer."
+ Modifies the buffer, and returns the new index into the buffer.
+ Watch out, this function turns off all type checking and array bounds checking."
+ (declare (optimize (speed 3) (safety 0) (debug 0)))
(declare (type (unsigned-byte 64) val)
(type (simple-array (unsigned-byte 8)) buffer)
(type fixnum index))
- (locally (declare (optimize (speed 3) (safety 0) (debug 0)))
- (loop do (let ((bits (ldb #.(byte 7 0) val)))
- (declare (type (unsigned-byte 8) bits))
- (setq val (ash val -7))
- (setf (aref buffer index) (ilogior bits (if (zerop val) 0 128)))
- (iincf index))
- until (zerop val)))
+ (loop do (let ((bits (ldb #.(byte 7 0) val)))
+ (declare (type (unsigned-byte 8) bits))
+ (setq val (ash val -7))
+ (setf (aref buffer index) (ilogior bits (if (zerop val) 0 128)))
+ (iincf index))
+ until (zerop val))
(values index buffer))
(defun encode-fixed32 (val buffer index)
"Encodes the unsigned 32-bit integer 'val' as a fixed int into the buffer
at the given index.
- Modifies the buffer, and returns the new index into the buffer."
+ Modifies the buffer, and returns the new index into the buffer.
+ Watch out, this function turns off most type checking and all array bounds checking."
(declare (type (unsigned-byte 32) val)
(type (simple-array (unsigned-byte 8)) buffer)
(type fixnum index))
(defun encode-fixed64 (val buffer index)
"Encodes the unsigned 64-bit integer 'val' as a fixed int into the buffer
at the given index.
- Modifies the buffer, and returns the new index into the buffer."
+ Modifies the buffer, and returns the new index into the buffer.
+ Watch out, this function turns off most type checking and all array bounds checking."
(declare (type (unsigned-byte 64) val)
(type (simple-array (unsigned-byte 8)) buffer)
(type fixnum index))
(defun encode-sfixed32 (val buffer index)
"Encodes the signed 32-bit integer 'val' as a fixed int into the buffer
at the given index.
- Modifies the buffer, and returns the new index into the buffer."
+ Modifies the buffer, and returns the new index into the buffer.
+ Watch out, this function turns off most type checking and all array bounds checking."
(declare (type (signed-byte 32) val)
(type (simple-array (unsigned-byte 8)) buffer)
(type fixnum index))
(defun encode-sfixed64 (val buffer index)
"Encodes the signed 32-bit integer 'val' as a fixed int into the buffer
at the given index.
- Modifies the buffer, and returns the new index into the buffer."
+ Modifies the buffer, and returns the new index into the buffer.
+ Watch out, this function turns off most type checking and all array bounds checking."
(declare (type (signed-byte 64) val)
(type (simple-array (unsigned-byte 8)) buffer)
(type fixnum index))
(defun encode-single (val buffer index)
"Encodes the single float 'val' into the buffer at the given index.
- Modifies the buffer, and returns the new index into the buffer."
+ Modifies the buffer, and returns the new index into the buffer.
+ Watch out, this function turns off most type checking and all array bounds checking."
(declare (type single-float val)
(type (simple-array (unsigned-byte 8)) buffer)
(type fixnum index))
(defun encode-double (val buffer index)
"Encodes the double float 'val' into the buffer at the given index.
- Modifies the buffer, and returns the new index into the buffer."
+ Modifies the buffer, and returns the new index into the buffer.
+ Watch out, this function turns off most type checking and all array bounds checking."
(declare (type double-float val)
(type (simple-array (unsigned-byte 8)) buffer)
(type fixnum index))
(defun encode-octets (octets buffer index)
"Encodes the octets into the buffer at the given index.
- Modifies the buffer, and returns the new index into the buffer."
+ Modifies the buffer, and returns the new index into the buffer.
+ Watch out, this function turns off most type checking and all array bounds checking."
(declare (type (simple-array (unsigned-byte 8)) buffer)
(type fixnum index))
(locally (declare (optimize (speed 3) (safety 0) (debug 0)))
;; then return the value and new index into the buffer
(defun decode-uint32 (buffer index)
"Decodes the next 32-bit varint integer in the buffer at the given index.
- Returns both the decoded value and the new index into the buffer."
+ Returns both the decoded value and the new index into the buffer.
+ Watch out, this function turns off most type checking and all array bounds checking."
+ (declare (optimize (speed 3) (safety 0) (debug 0)))
(declare (type (simple-array (unsigned-byte 8)) buffer)
(type fixnum index))
- (locally (declare (optimize (speed 3) (safety 0) (debug 0)))
- ;; Seven bits at a time, least significant bits first
- (loop with val = 0
- for places fixnum upfrom 0 by 7
- for byte fixnum = (prog1 (aref buffer index) (iincf index))
- do (setq val (logior val (ash (ldb #.(byte 7 0) byte) places)))
- until (i< byte 128)
- finally (progn
- (assert (< val #.(ash 1 32)) ()
- "The value ~D is longer than 32 bits" val)
- (return (values val index))))))
+ ;; Seven bits at a time, least significant bits first
+ (loop with val = 0
+ for places fixnum upfrom 0 by 7
+ for byte fixnum = (prog1 (aref buffer index) (iincf index))
+ do (setq val (logior val (ash (ldb #.(byte 7 0) byte) places)))
+ until (i< byte 128)
+ finally (progn
+ (assert (< val #.(ash 1 32)) ()
+ "The value ~D is longer than 32 bits" val)
+ (return (values val index)))))
(defun decode-uint64 (buffer index)
"Decodes the next 64-bit varint integer in the buffer at the given index.
- Returns both the decoded value and the new index into the buffer."
+ Returns both the decoded value and the new index into the buffer.
+ Watch out, this function turns off most type checking and all array bounds checking."
+ (declare (optimize (speed 3) (safety 0) (debug 0)))
(declare (type (simple-array (unsigned-byte 8)) buffer)
(type fixnum index))
- (locally (declare (optimize (speed 3) (safety 0) (debug 0)))
- ;; Seven bits at a time, least significant bits first
- (loop with val = 0
- for places fixnum upfrom 0 by 7
- for byte fixnum = (prog1 (aref buffer index) (iincf index))
- do (setq val (logior val (ash (ldb #.(byte 7 0) byte) places)))
- until (i< byte 128)
- finally (return (values val index)))))
+ ;; Seven bits at a time, least significant bits first
+ (loop with val = 0
+ for places fixnum upfrom 0 by 7
+ for byte fixnum = (prog1 (aref buffer index) (iincf index))
+ do (setq val (logior val (ash (ldb #.(byte 7 0) byte) places)))
+ until (i< byte 128)
+ finally (return (values val index))))
(defun decode-fixed32 (buffer index)
"Decodes the next 32-bit unsigned fixed integer in the buffer at the given index.
- Returns both the decoded value and the new index into the buffer."
+ Returns both the decoded value and the new index into the buffer.
+ Watch out, this function turns off most type checking and all array bounds checking."
(declare (type (simple-array (unsigned-byte 8)) buffer)
(type fixnum index))
(locally (declare (optimize (speed 3) (safety 0) (debug 0)))
(defun decode-sfixed32 (buffer index)
"Decodes the next 32-bit signed fixed integer in the buffer at the given index.
- Returns both the decoded value and the new index into the buffer."
+ Returns both the decoded value and the new index into the buffer.
+ Watch out, this function turns off most type checking and all array bounds checking."
(declare (type (simple-array (unsigned-byte 8)) buffer)
(type fixnum index))
(locally (declare (optimize (speed 3) (safety 0) (debug 0)))
(defun decode-fixed64 (buffer index)
"Decodes the next unsigned 64-bit fixed integer in the buffer at the given index.
- Returns both the decoded value and the new index into the buffer."
+ Returns both the decoded value and the new index into the buffer.
+ Watch out, this function turns off most type checking and all array bounds checking."
(declare (type (simple-array (unsigned-byte 8)) buffer)
(type fixnum index))
(locally (declare (optimize (speed 3) (safety 0) (debug 0)))
(defun decode-sfixed64 (buffer index)
"Decodes the next signed 64-bit fixed integer in the buffer at the given index.
- Returns both the decoded value and the new index into the buffer."
+ Returns both the decoded value and the new index into the buffer.
+ Watch out, this function turns off most type checking and all array bounds checking."
(declare (type (simple-array (unsigned-byte 8)) buffer)
(type fixnum index))
(locally (declare (optimize (speed 3) (safety 0) (debug 0)))
(defun decode-single (buffer index)
"Decodes the next single float in the buffer at the given index.
- Returns both the decoded value and the new index into the buffer."
+ Returns both the decoded value and the new index into the buffer.
+ Watch out, this function turns off most type checking and all array bounds checking."
(declare (type (simple-array (unsigned-byte 8)) buffer)
(type fixnum index))
(locally (declare (optimize (speed 3) (safety 0) (debug 0)))
(defun decode-double (buffer index)
"Decodes the next double float in the buffer at the given index.
- Returns both the decoded value and the new index into the buffer."
+ Returns both the decoded value and the new index into the buffer.
+ Watch out, this function turns off most type checking and all array bounds checking."
(declare (type (simple-array (unsigned-byte 8)) buffer)
(type fixnum index))
(locally (declare (optimize (speed 3) (safety 0) (debug 0)))
(defun decode-octets (buffer index)
"Decodes the next octets in the buffer at the given index.
- Returns both the decoded value and the new index into the buffer."
+ Returns both the decoded value and the new index into the buffer.
+ Watch out, this function turns off most type checking and all array bounds checking."
(declare (type (simple-array (unsigned-byte 8)) buffer)
(type fixnum index))
(locally (declare (optimize (speed 3) (safety 0) (debug 0)))
(defun length32 (val)
"Returns the length that 'val' will take when encoded as a 32-bit integer."
- (assert (< val #.(ash 1 32)) ()
- "The value ~D is longer than 32 bits" val)
- (locally (declare (optimize (speed 3) (safety 0) (debug 0)))
- (let ((size 0))
- (declare (type fixnum size))
- (loop do (progn
- (setq val (ash val -7))
- (iincf size))
- until (zerop val))
- size)))
+ (declare (optimize (speed 3) (safety 0) (debug 0)))
+ (let ((size 0))
+ (declare (type fixnum size))
+ (loop do (progn
+ (setq val (ash val -7))
+ (iincf size))
+ until (zerop val))
+ size))
(defun length64 (val)
"Returns the length that 'val' will take when encoded as a 64-bit integer."
- (locally (declare (optimize (speed 3) (safety 0) (debug 0)))
- (let ((size 0))
- (declare (type fixnum size))
- (loop do (progn
- (setq val (ash val -7))
- (iincf size))
- until (zerop val))
- size)))
+ (declare (optimize (speed 3) (safety 0) (debug 0)))
+ (let ((size 0))
+ (declare (type fixnum size))
+ (loop do (progn
+ (setq val (ash val -7))
+ (iincf size))
+ until (zerop val))
+ size))
;;; Skipping elements
(defun skip-element (buffer index wire-type)
"Skip an element in the buffer at the index of the given wire type.
- Returns the new index in the buffer."
+ Returns the new index in the buffer.
+ Watch out, this function turns off all type checking and all array bounds checking."
+ (declare (optimize (speed 3) (safety 0) (debug 0)))
(declare (type (simple-array (unsigned-byte 8)) buffer)
(type fixnum index)
(type (unsigned-byte 32) wire-type))
- (locally (declare (optimize (speed 3) (safety 0) (debug 0)))
- (case wire-type
- (($wire-type-varint)
- (loop for byte fixnum = (prog1 (aref buffer index) (iincf index))
- until (i< byte 128))
- index)
- (($wire-type-string)
- (multiple-value-bind (len idx)
- (decode-uint32 buffer index)
- (declare (type (unsigned-byte 32) len)
- (type fixnum idx))
- (i+ idx len)))
- (($wire-type-32bit)
- (i+ index 4))
- (($wire-type-64bit)
- (i+ index 8)))))
+ (case wire-type
+ (($wire-type-varint)
+ (loop for byte fixnum = (prog1 (aref buffer index) (iincf index))
+ until (i< byte 128))
+ index)
+ (($wire-type-string)
+ (multiple-value-bind (len idx)
+ (decode-uint32 buffer index)
+ (declare (type (unsigned-byte 32) len)
+ (type fixnum idx))
+ (i+ idx len)))
+ (($wire-type-32bit)
+ (i+ index 4))
+ (($wire-type-64bit)
+ (i+ index 8))))