ecl/src/cmp/cmpopt-printer.lsp

82 lines
3.3 KiB
Common Lisp

;;;; -*- Mode: Lisp; Syntax: Common-Lisp; Package: C -*-
;;;;
;;;; Copyright (c) 2010, Juan Jose Garcia-Ripoll
;;;;
;;;; This program is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Library General Public
;;;; License as published by the Free Software Foundation; either
;;;; version 2 of the License, or (at your option) any later version.
;;;;
;;;; See file '../Copyright' for full details.
;;;;
;;;; CMPOPT-PRINTER -- Optimize output operations
;;;;
(in-package "COMPILER")
(defun printer-default-stream (stream env)
(if (constantp stream env)
(let ((value (cmp-eval stream env)))
(case value
((nil) '*standard-output*)
((t) '*terminal-io*)
(otherwise (cmpwarn
(if (streamp value)
"Found~%~A~%as expression for a stream, but it cannot be externalized."
"Found~%~A~%where a stream was expected.")
stream)
stream)))
`(ffi:c-inline (,stream) (:object) :object
"_ecl_stream_or_default_output(#0)"
:one-liner t)))
(define-compiler-macro princ (expression &optional stream &environment env)
(if (constantp expression env)
(let ((value (cmp-eval expression env)))
(cond ((eql value #\Newline)
`(terpri ,stream))
((characterp value)
`(ffi:c-inline ,(list value stream) (:wchar :object) :wchar
"ecl_princ_char(#0,#1)"
:one-liner t))
((and (stringp value)
(= (length value) 1))
`(ffi:c-inline ,(list (aref value 0) stream) (:wchar :object) :wchar
"ecl_princ_char(#0,#1)"
:one-liner t))
((and (typep value 'base-string)
(< (length value) 80))
`(progn
(ffi:c-inline ,(list stream) (:object) :void
,(concatenate 'string
"ecl_princ_str("
(c-inline-safe-string value)
",#0)")
:one-liner t)
,value))
(t
`(ffi:c-inline ,(list expression stream) (:object :object) :object
"ecl_princ(#0,#1)"
:one-liner t))))
`(ffi:c-inline ,(list expression stream) (:object :object) :object
"ecl_princ(#0,#1)"
:one-liner t)))
(define-compiler-macro terpri (&optional stream &environment env)
`(ffi:c-inline (,stream)
(:object) :object
"ecl_terpri(#0)"
:one-liner t))
(define-compiler-macro print (value &optional stream &environment env)
`(ffi:c-inline (,value ,stream)
(:object :object) :object
"ecl_print(#0,#1)"
:one-liner t))
(define-compiler-macro prin1 (value &optional stream &environment env)
`(ffi:c-inline (,value ,stream)
(:object :object) :object
"ecl_prin1(#0,#1)"
:one-liner t))