org.armedbear.lisp.PackageFunctions Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of abcl Show documentation
Show all versions of abcl Show documentation
Common Lisp implementation running on the JVM
The newest version!
/*
* PackageFunctions.java
*
* Copyright (C) 2003-2005 Peter Graves
* $Id: PackageFunctions.java 13461 2011-08-11 17:01:41Z ehuelsmann $
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* As a special exception, the copyright holders of this library give you
* permission to link this library with independent modules to produce an
* executable, regardless of the license terms of these independent
* modules, and to copy and distribute the resulting executable under
* terms of your choice, provided that you also meet, for each linked
* independent module, the terms and conditions of the license of that
* module. An independent module is a module which is not derived from
* or based on this library. If you modify this library, you may extend
* this exception to your version of the library, but you are not
* obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*/
package org.armedbear.lisp;
import static org.armedbear.lisp.Lisp.*;
public final class PackageFunctions
{
// ### packagep
// packagep object => generalized-boolean
private static final Primitive PACKAGEP = new Primitive("packagep", "object")
{
@Override
public LispObject execute(LispObject arg)
{
return arg instanceof Package ? T : NIL;
}
};
// ### package-name
// package-name package => nicknames
private static final Primitive PACKAGE_NAME =
new Primitive("package-name", "package")
{
@Override
public LispObject execute(LispObject arg)
{
return coerceToPackage(arg).NAME();
}
};
// ### package-nicknames
// package-nicknames package => nicknames
private static final Primitive PACKAGE_NICKNAMES =
new Primitive("package-nicknames", "package")
{
@Override
public LispObject execute(LispObject arg)
{
return coerceToPackage(arg).packageNicknames();
}
};
// ### package-use-list
// package-use-list package => use-list
private static final Primitive PACKAGE_USE_LIST =
new Primitive("package-use-list", "package")
{
@Override
public LispObject execute(LispObject arg)
{
return coerceToPackage(arg).getUseList();
}
};
// ### package-used-by-list
// package-used-by-list package => used-by-list
private static final Primitive PACKAGE_USED_BY_LIST =
new Primitive("package-used-by-list", "package")
{
@Override
public LispObject execute(LispObject arg)
{
return coerceToPackage(arg).getUsedByList();
}
};
// ### %import
// %import symbols &optional package => t
private static final Primitive _IMPORT =
new Primitive("%import", PACKAGE_SYS, false)
{
@Override
public LispObject execute(LispObject[] args)
{
if (args.length == 0 || args.length > 2)
return error(new WrongNumberOfArgumentsException(this, 1, 2));
LispObject symbols = args[0];
Package pkg =
args.length == 2 ? coerceToPackage(args[1]) : getCurrentPackage();
if (symbols.listp()) {
while (symbols != NIL) {
pkg.importSymbol(checkSymbol(symbols.car()));
symbols = symbols.cdr();
}
} else
pkg.importSymbol(checkSymbol(symbols));
return T;
}
};
// ### unexport
// unexport symbols &optional package => t
private static final Primitive UNEXPORT =
new Primitive("unexport", "symbols &optional package")
{
@Override
public LispObject execute(LispObject[] args)
{
if (args.length == 0 || args.length > 2)
return error(new WrongNumberOfArgumentsException(this, 1, 2));
LispObject symbols = args[0];
Package pkg =
args.length == 2 ? coerceToPackage(args[1]) : getCurrentPackage();
if (symbols.listp()) {
while (symbols != NIL) {
pkg.unexport(checkSymbol(symbols.car()));
symbols = symbols.cdr();
}
} else
pkg.unexport(checkSymbol(symbols));
return T;
}
};
// ### shadow
// shadow symbol-names &optional package => t
private static final Primitive SHADOW =
new Primitive("shadow", "symbol-names &optional package")
{
@Override
public LispObject execute(LispObject[] args)
{
if (args.length == 0 || args.length > 2)
return error(new WrongNumberOfArgumentsException(this, 1, 2));
LispObject symbols = args[0];
Package pkg =
args.length == 2 ? coerceToPackage(args[1]) : getCurrentPackage();
if (symbols.listp()) {
while (symbols != NIL) {
pkg.shadow(javaString(symbols.car()));
symbols = symbols.cdr();
}
} else
pkg.shadow(javaString(symbols));
return T;
}
};
// ### shadowing-import
// shadowing-import symbols &optional package => t
private static final Primitive SHADOWING_IMPORT =
new Primitive("shadowing-import", "symbols &optional package")
{
@Override
public LispObject execute(LispObject[] args)
{
if (args.length == 0 || args.length > 2)
return error(new WrongNumberOfArgumentsException(this, 1, 2));
LispObject symbols = args[0];
Package pkg =
args.length == 2 ? coerceToPackage(args[1]) : getCurrentPackage();
if (symbols.listp()) {
while (symbols != NIL) {
pkg.shadowingImport(checkSymbol(symbols.car()));
symbols = symbols.cdr();
}
} else
pkg.shadowingImport(checkSymbol(symbols));
return T;
}
};
// ### package-shadowing-symbols
// package-shadowing-symbols package => used-by-list
private static final Primitive PACKAGE_SHADOWING_SYMBOLS =
new Primitive("package-shadowing-symbols", "package")
{
@Override
public LispObject execute(LispObject arg)
{
return coerceToPackage(arg).getShadowingSymbols();
}
};
// ### delete-package
private static final Primitive DELETE_PACKAGE =
new Primitive("delete-package", "package")
{
@Override
public LispObject execute(LispObject arg)
{
return coerceToPackage(arg).delete() ? T : NIL;
}
};
// ### unuse-package
// unuse-package packages-to-unuse &optional package => t
private static final Primitive USE_PACKAGE =
new Primitive("unuse-package", "packages-to-unuse &optional package")
{
@Override
public LispObject execute(LispObject[] args)
{
if (args.length < 1 || args.length > 2)
return error(new WrongNumberOfArgumentsException(this, 1, 2));
Package pkg;
if (args.length == 2)
pkg = coerceToPackage(args[1]);
else
pkg = getCurrentPackage();
if (args[0] instanceof Cons) {
LispObject list = args[0];
while (list != NIL) {
pkg.unusePackage(coerceToPackage(list.car()));
list = list.cdr();
}
} else
pkg.unusePackage(coerceToPackage(args[0]));
return T;
}
};
// ### rename-package
// rename-package package new-name &optional new-nicknames => package-object
private static final Primitive RENAME_PACKAGE =
new Primitive("rename-package", "package new-name &optional new-nicknames")
{
@Override
public LispObject execute(LispObject[] args)
{
if (args.length < 2 || args.length > 3)
return error(new WrongNumberOfArgumentsException(this, 2, 3));
Package pkg = coerceToPackage(args[0]);
String newName = javaString(args[1]);
LispObject nicknames = args.length == 3 ? checkList(args[2]) : NIL;
pkg.rename(newName, nicknames);
return pkg;
}
};
private static final Primitive LIST_ALL_PACKAGES =
new Primitive("list-all-packages", "")
{
@Override
public LispObject execute()
{
return Packages.listAllPackages();
}
};
// ### %defpackage name nicknames size shadows shadowing-imports use
// imports interns exports doc-string => package
private static final Primitive _DEFPACKAGE =
new Primitive("%defpackage", PACKAGE_SYS, false)
{
@Override
public LispObject execute(LispObject[] args)
{
if (args.length != 10)
return error(new WrongNumberOfArgumentsException(this, 10));
final String packageName = args[0].getStringValue();
LispObject nicknames = checkList(args[1]);
// FIXME size is ignored
// LispObject size = args[2];
LispObject shadows = checkList(args[3]);
LispObject shadowingImports = checkList(args[4]);
LispObject use = checkList(args[5]);
LispObject imports = checkList(args[6]);
LispObject interns = checkList(args[7]);
LispObject exports = checkList(args[8]);
// FIXME docString is ignored
// LispObject docString = args[9];
Package pkg = Packages.findPackage(packageName);
if (pkg != null)
return pkg;
if (nicknames != NIL) {
LispObject list = nicknames;
while (list != NIL) {
String nick = javaString(list.car());
if (Packages.findPackage(nick) != null) {
return error(new PackageError("A package named " + nick +
" already exists."));
}
list = list.cdr();
}
}
pkg = Packages.createPackage(packageName);
while (nicknames != NIL) {
LispObject string = nicknames.car().STRING();
pkg.addNickname(string.getStringValue());
nicknames = nicknames.cdr();
}
while (shadows != NIL) {
String symbolName = shadows.car().getStringValue();
pkg.shadow(symbolName);
shadows = shadows.cdr();
}
while (shadowingImports != NIL) {
LispObject si = shadowingImports.car();
Package otherPkg = coerceToPackage(si.car());
LispObject symbolNames = si.cdr();
while (symbolNames != NIL) {
String symbolName = symbolNames.car().getStringValue();
Symbol sym = otherPkg.findAccessibleSymbol(symbolName);
if (sym != null)
pkg.shadowingImport(sym);
else
return error(new LispError(symbolName +
" not found in package " +
otherPkg.getName() + "."));
symbolNames = symbolNames.cdr();
}
shadowingImports = shadowingImports.cdr();
}
while (use != NIL) {
LispObject obj = use.car();
if (obj instanceof Package)
pkg.usePackage((Package)obj);
else {
LispObject string = obj.STRING();
Package p = Packages.findPackage(string.getStringValue());
if (p == null)
return error(new LispError(obj.princToString() +
" is not the name of a package."));
pkg.usePackage(p);
}
use = use.cdr();
}
while (imports != NIL) {
LispObject si = imports.car();
Package otherPkg = coerceToPackage(si.car());
LispObject symbolNames = si.cdr();
while (symbolNames != NIL) {
String symbolName = symbolNames.car().getStringValue();
Symbol sym = otherPkg.findAccessibleSymbol(symbolName);
if (sym != null)
pkg.importSymbol(sym);
else
return error(new LispError(symbolName +
" not found in package " +
otherPkg.getName() + "."));
symbolNames = symbolNames.cdr();
}
imports = imports.cdr();
}
while (interns != NIL) {
String symbolName = interns.car().getStringValue();
pkg.intern(symbolName);
interns = interns.cdr();
}
while (exports != NIL) {
String symbolName = exports.car().getStringValue();
pkg.export(pkg.intern(symbolName));
exports = exports.cdr();
}
return pkg;
}
};
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy