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-- Copyright (C) 2007 Gabriel Dos Reis
-- All rights reserved.
-- Copyright (C) 2007, 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 collects and documents routines common to the driver of
-- both the OpenAxiom compiler and interpreter.
--
import '"boot-pkg"
)package "BOOT"
+++ Initialization routine run by the core system before handing off
+++ to the interpreter or compiler.
+++ ??? This part is still in flux.
AxiomCore::%sysInit() ==
SETQ(_*PACKAGE_*, FIND_-PACKAGE '"BOOT")
+++ Returns the root directory of the running system.
+++ A directory specified on command line takes precedence
+++ over directory specified at configuration time.
systemRootDirectory() ==
dir := ASSOC(Option '"system", %systemOptions()) =>
ensureTrailingSlash cdr dir
$systemInstallationDirectory
+++ Returns the system algebra directory, as specified on command
+++ line. nil, otherwise.
systemAlgebraDirectory() ==
dir := ASSOC(Option '"sysalg", %systemOptions()) =>
ensureTrailingSlash cdr dir
nil
++ stdStreamIsTerminal:
++ returns 1 if the standard stream is attached to a terminal;
++ otherwise 0.
)if %hasFeature KEYWORD::GCL
import stdStreamIsTerminal for std__stream__is__terminal: INT -> INT
)else
stdStreamIsTerminal fd ==
0
)endif
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