diff --git a/rhodecode/public/js/mode/commonlisp/index.html b/rhodecode/public/js/mode/commonlisp/index.html new file mode 100644 --- /dev/null +++ b/rhodecode/public/js/mode/commonlisp/index.html @@ -0,0 +1,165 @@ + + + + + CodeMirror: Common Lisp mode + + + + + + + +

CodeMirror: Common Lisp mode

(in-package :cl-postgres)
+
+;; These are used to synthesize reader and writer names for integer
+;; reading/writing functions when the amount of bytes and the
+;; signedness is known. Both the macro that creates the functions and
+;; some macros that use them create names this way.
+(eval-when (:compile-toplevel :load-toplevel :execute)
+  (defun integer-reader-name (bytes signed)
+    (intern (with-standard-io-syntax
+              (format nil "~a~a~a~a" '#:read- (if signed "" '#:u) '#:int bytes))))
+  (defun integer-writer-name (bytes signed)
+    (intern (with-standard-io-syntax
+              (format nil "~a~a~a~a" '#:write- (if signed "" '#:u) '#:int bytes)))))
+
+(defmacro integer-reader (bytes)
+  "Create a function to read integers from a binary stream."
+  (let ((bits (* bytes 8)))
+    (labels ((return-form (signed)
+               (if signed
+                   `(if (logbitp ,(1- bits) result)
+                        (dpb result (byte ,(1- bits) 0) -1)
+                        result)
+                   `result))
+             (generate-reader (signed)
+               `(defun ,(integer-reader-name bytes signed) (socket)
+                  (declare (type stream socket)
+                           #.*optimize*)
+                  ,(if (= bytes 1)
+                       `(let ((result (the (unsigned-byte 8) (read-byte socket))))
+                          (declare (type (unsigned-byte 8) result))
+                          ,(return-form signed))
+                       `(let ((result 0))
+                          (declare (type (unsigned-byte ,bits) result))
+                          ,@(loop :for byte :from (1- bytes) :downto 0
+                                   :collect `(setf (ldb (byte 8 ,(* 8 byte)) result)
+                                                   (the (unsigned-byte 8) (read-byte socket))))
+                          ,(return-form signed))))))
+      `(progn
+;; This causes weird errors on SBCL in some circumstances. Disabled for now.
+;;         (declaim (inline ,(integer-reader-name bytes t)
+;;                          ,(integer-reader-name bytes nil)))
+         (declaim (ftype (function (t) (signed-byte ,bits))
+                         ,(integer-reader-name bytes t)))
+         ,(generate-reader t)
+         (declaim (ftype (function (t) (unsigned-byte ,bits))
+                         ,(integer-reader-name bytes nil)))
+         ,(generate-reader nil)))))
+
+(defmacro integer-writer (bytes)
+  "Create a function to write integers to a binary stream."
+  (let ((bits (* 8 bytes)))
+    `(progn
+      (declaim (inline ,(integer-writer-name bytes t)
+                       ,(integer-writer-name bytes nil)))
+      (defun ,(integer-writer-name bytes nil) (socket value)
+        (declare (type stream socket)
+                 (type (unsigned-byte ,bits) value)
+                 #.*optimize*)
+        ,@(if (= bytes 1)
+              `((write-byte value socket))
+              (loop :for byte :from (1- bytes) :downto 0
+                    :collect `(write-byte (ldb (byte 8 ,(* byte 8)) value)
+                               socket)))
+        (values))
+      (defun ,(integer-writer-name bytes t) (socket value)
+        (declare (type stream socket)
+                 (type (signed-byte ,bits) value)
+                 #.*optimize*)
+        ,@(if (= bytes 1)
+              `((write-byte (ldb (byte 8 0) value) socket))
+              (loop :for byte :from (1- bytes) :downto 0
+                    :collect `(write-byte (ldb (byte 8 ,(* byte 8)) value)
+                               socket)))
+        (values)))))
+
+;; All the instances of the above that we need.
+
+(integer-reader 1)
+(integer-reader 2)
+(integer-reader 4)
+(integer-reader 8)
+
+(integer-writer 1)
+(integer-writer 2)
+(integer-writer 4)
+
+(defun write-bytes (socket bytes)
+  "Write a byte-array to a stream."
+  (declare (type stream socket)
+           (type (simple-array (unsigned-byte 8)) bytes)
+           #.*optimize*)
+  (write-sequence bytes socket))
+
+(defun write-str (socket string)
+  "Write a null-terminated string to a stream \(encoding it when UTF-8
+support is enabled.)."
+  (declare (type stream socket)
+           (type string string)
+           #.*optimize*)
+  (enc-write-string string socket)
+  (write-uint1 socket 0))
+
+(declaim (ftype (function (t unsigned-byte)
+                          (simple-array (unsigned-byte 8) (*)))
+                read-bytes))
+(defun read-bytes (socket length)
+  "Read a byte array of the given length from a stream."
+  (declare (type stream socket)
+           (type fixnum length)
+           #.*optimize*)
+  (let ((result (make-array length :element-type '(unsigned-byte 8))))
+    (read-sequence result socket)
+    result))
+
+(declaim (ftype (function (t) string) read-str))
+(defun read-str (socket)
+  "Read a null-terminated string from a stream. Takes care of encoding
+when UTF-8 support is enabled."
+  (declare (type stream socket)
+           #.*optimize*)
+  (enc-read-string socket :null-terminated t))
+
+(defun skip-bytes (socket length)
+  "Skip a given number of bytes in a binary stream."
+  (declare (type stream socket)
+           (type (unsigned-byte 32) length)
+           #.*optimize*)
+  (dotimes (i length)
+    (read-byte socket)))
+
+(defun skip-str (socket)
+  "Skip a null-terminated string."
+  (declare (type stream socket)
+           #.*optimize*)
+  (loop :for char :of-type fixnum = (read-byte socket)
+        :until (zerop char)))
+
+(defun ensure-socket-is-closed (socket &key abort)
+  (when (open-stream-p socket)
+    (handler-case
+        (close socket :abort abort)
+      (error (error)
+        (warn "Ignoring the error which happened while trying to close PostgreSQL socket: ~A" error)))))
+

+ + +

MIME types defined: text/x-common-lisp.

+ + +