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|
-- Copyright (C) 2007-2008 Gabriel Dos Reis.
-- All rights reserved.
--
-- Redistribution and use in source and binary forms, with or without
-- modification, are permitted provided that the following conditions are
-- met:
--
-- - Redistributions of source code must retain the above copyright
-- notice, this list of conditions and the following disclaimer.
--
-- - Redistributions in binary form must reproduce the above copyright
-- notice, this list of conditions and the following disclaimer in
-- the documentation and/or other materials provided with the
-- distribution.
--
-- - Neither the name of The Numerical Algorithms Group Ltd. nor the
-- names of its contributors may be used to endorse or promote products
-- derived from this software without specific prior written permission.
--
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
-- IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
-- TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
-- PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
-- OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
--
--
--
-- This file contains interface to functionalities required from the
-- hosting operating systems. More to the point, it is mostly
-- a set of interfaces to native routines provided in the
-- supporting C runtime libopen-axiom-core.
--
module sys_-os
import types
import cfuns
import sockio
)package "BOOT"
)if not %hasFeature KEYWORD::GCL
loadSystemRuntimeCore()
)endif
++ change current working directory.
import changeDirectory for
oa__chdir: string -> int -- 0: success, -1: failure
++ remove file or directory tree.
import removeFile for
oa__unlink: string -> int -- 0: sucess, -1: failure
++ rename file or directory
import renameFile for
oa__rename: (string,string) -> int -- 0: success, -1 failure
++ create a directory
import mkdir for
oa__mkdir: string -> int -- 0: sucess, -1: failure.
import getEnv for
oa__getenv: string -> string
++ socket interface
import openServer for
open__server: string -> int
import sockGetInt for
sock__get__int: int -> int
import sockSendInt for
sock__send__int: (int,int) -> int
import sockGetString for
sock__get__string: int -> string
import doSendString for
sock__send__string__len: (int, string, int) -> int
sockSendString(type,str) ==
doSendString(type, str, LENGTH str)
import sockGetFloat for
sock__get__float: int -> double
import sockSendFloat for
sock__send__float: (int,double) -> int
import sockSendWakeup for
sock__send__wakeup: (int,int) -> int
import serverSwitch for
server__switch: () -> int
import flushStdout for
flush__stdout: () -> int
import sockSendSignal for
sock__send__signal: (int,int) -> int
import printLine for
print__line: string -> int
--%
import directoryp for
directoryp: string -> int
import writeablep for
writeablep: string -> int
import runCommand for
oa__system: string -> int
++ run a program with specified arguments
runProgram(prog,args) ==
)if %hasFeature KEYWORD::GCL
SYSTEM::SYSTEM CONCAT/[prog,:[:['" ",a] for a in args]]
)elseif %hasFeature KEYWORD::CLISP
EXT::RUN_-PROGRAM(prog,KEYWORD::ARGUMENTS,args)
)elseif %hasFeature KEYWORD::SBCL
SB_-EXT::RUN_-PROGRAM(prog,args)
)else
systemError '"don't how to execute external program with this Lisp"
)endif
++ numeric limits
)if %hasFeature KEYWORD::GCL
import plusInfinity for
plus__infinity: () -> double
import minusInfinity for
minus__infinity: () -> double
import NaNQ for
NANQ: () -> double
$plusInfinity := plusInfinity()
$minusInfinity := minusInfinity()
$NaNValue := NaNQ()
)elseif %hasFeature KEYWORD::SBCL
$plusInfinity == SB_-EXT::DOUBLE_-FLOAT_-POSITIVE_-INFINITY
$minusInfinity == SB_-EXT::DOUBLE_-FLOAT_-NEGATIVE_-INFINITY
)else
-- In general Common Lisp does not provide support for infinities
-- and the like.
$plusInfinity == MOST_-POSITIVE_-DOUBLE_-FLOAT
$minusInfinity == -$plusInfinity
)endif
)if not %hasFeature KEYWORD::GCL
plusInfinity() ==
$plusInfinity
minusInfinity() ==
$minusInfinity
)endif
++ stdStreamIsTerminal:
++ returns 1 if the standard stream is attached to a terminal;
++ otherwise 0.
import stdStreamIsTerminal for std__stream__is__terminal: int -> int
--%
|
