/*
* Autoload.java
*
* Copyright (C) 2003 Peter Graves
* $Id: Autoload.java,v 1.7 2003/11/15 11:03:34 beedlem Exp $
*
* 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.
*/
package org.armedbear.lisp;
public class Autoload extends Function
{
protected final Symbol symbol;
protected final String fileName;
protected final String className;
protected Autoload(Symbol symbol)
{
this.symbol = symbol;
fileName = null;
className = null;
}
protected Autoload(Symbol symbol, String fileName, String className)
{
this.symbol = symbol;
this.fileName = fileName;
this.className = className;
}
public static void autoload(String symbolName, String className)
{
autoload(PACKAGE_CL, symbolName, className);
}
public static void autoload(Package pkg, String symbolName,
String className)
{
autoload(pkg, symbolName, className, false);
}
public static void autoload(Package pkg, String symbolName,
String className, boolean exported)
{
Symbol symbol = intern(symbolName.toUpperCase(), pkg);
if (pkg != PACKAGE_CL && exported) {
try {
pkg.export(symbol);
}
catch (ConditionThrowable t) {
Debug.assertTrue(false);
}
}
symbol.setSymbolFunction(new Autoload(symbol, null,
"org.armedbear.lisp.".concat(className)));
}
public void load() throws ConditionThrowable
{
if (className != null) {
final LispThread thread = LispThread.currentThread();
final Environment oldDynEnv = thread.getDynamicEnvironment();
int loadDepth = Fixnum.getInt(_LOAD_DEPTH_.symbolValue());
thread.bindSpecial(_LOAD_DEPTH_, new Fixnum(++loadDepth));
try {
if (_AUTOLOAD_VERBOSE_.symbolValueNoThrow() != NIL) {
final String prefix = Load.getLoadVerbosePrefix(loadDepth);
CharacterOutputStream out = getStandardOutput();
out.writeString(prefix);
out.writeString(" Autoloading ");
out.writeString(className);
out.writeLine(" ...");
out.flushOutput();
long start = System.currentTimeMillis();
Class.forName(className);
long elapsed = System.currentTimeMillis() - start;
out.writeString(prefix);
out.writeString(" Autoloaded ");
out.writeString(className);
out.writeString(" (");
out.writeString(String.valueOf(((float)elapsed)/1000));
out.writeLine(" seconds)");
out.flushOutput();
} else
Class.forName(className);
}
catch (ClassNotFoundException e) {
e.printStackTrace();
}
finally {
thread.setDynamicEnvironment(oldDynEnv);
}
} else
Load._load(getFileName(), true);
}
public final Symbol getSymbol()
{
return symbol;
}
protected final String getFileName()
{
if (fileName != null)
return fileName;
return symbol.getName().toLowerCase().concat(".lisp");
}
public final int getFunctionalType()
{
return FTYPE_AUTOLOAD;
}
public String toString()
{
StringBuffer sb = new StringBuffer("#<AUTOLOAD ");
sb.append(symbol);
sb.append(" \"");
sb.append(getFileName());
sb.append("\">");
return sb.toString();
}
private static final Primitive AUTOLOAD =
new Primitive("autoload", PACKAGE_EXT, true)
{
public LispObject execute(LispObject first) throws ConditionThrowable
{
if (first instanceof Symbol) {
Symbol symbol = (Symbol) first;
symbol.setSymbolFunction(new Autoload(symbol));
return T;
}
if (first instanceof Cons) {
for (LispObject list = first; list != NIL; list = list.cdr()) {
Symbol symbol = checkSymbol(list.car());
symbol.setSymbolFunction(new Autoload(symbol));
}
return T;
}
throw new ConditionThrowable(new TypeError(first));
}
public LispObject execute(LispObject first, LispObject second)
throws ConditionThrowable
{
final String fileName = LispString.getValue(second);
if (first instanceof Symbol) {
Symbol symbol = (Symbol) first;
symbol.setSymbolFunction(new Autoload(symbol, fileName, null));
return T;
}
if (first instanceof Cons) {
for (LispObject list = first; list != NIL; list = list.cdr()) {
Symbol symbol = checkSymbol(list.car());
symbol.setSymbolFunction(new Autoload(symbol, fileName, null));
}
return T;
}
throw new ConditionThrowable(new TypeError(first));
}
};
// ### resolve
// Force autoload to be resolved.
private static final Primitive1 RESOLVE =
new Primitive1("resolve", PACKAGE_EXT, true)
{
public LispObject execute(LispObject arg) throws ConditionThrowable
{
Symbol symbol = checkSymbol(arg);
LispObject fun = symbol.getSymbolFunction();
if (fun instanceof Autoload) {
Autoload autoload = (Autoload) fun;
autoload.load();
return autoload.getSymbol().getSymbolFunction();
}
return fun;
}
};
private static final Primitive1 AUTOLOADP =
new Primitive1("autoloadp", PACKAGE_EXT, true)
{
public LispObject execute(LispObject arg) throws ConditionThrowable
{
if (arg instanceof Symbol) {
if (arg.getSymbolFunction() instanceof Autoload)
return T;
}
return NIL;
}
};
static {
autoload("array-displacement", "DisplacedArray");
autoload("ash", "ash");
autoload("atan", "atan");
autoload("cell-error-name", "cell_error_name");
autoload("char-equal", "CharacterFunctions");
autoload("char-greaterp", "CharacterFunctions");
autoload("char-lessp", "CharacterFunctions");
autoload("char-not-greaterp", "CharacterFunctions");
autoload("char-not-lessp", "CharacterFunctions");
autoload("char=", "CharacterFunctions");
autoload("class-name", "LispClass");
autoload("clrhash", "HashTable");
autoload("coerce", "coerce");
autoload("copy-structure", "StructureObject");
autoload("delete-file", "delete_file");
autoload("delete-package", "PackageFunctions");
autoload("describe", "describe");
autoload("directory-namestring", "Pathname");
autoload("file-write-date", "Time");
autoload("find-class", "LispClass");
autoload("get-internal-real-time", "Time");
autoload("get-internal-run-time", "Time");
autoload("get-output-stream-string", "StringOutputStream");
autoload("get-universal-time", "Time");
autoload("gethash", "HashTable");
autoload("hash-table-count", "HashTable");
autoload("hash-table-p", "HashTable");
autoload("import", "PackageFunctions");
autoload("last", "last");
autoload("lisp-implementation-type", "lisp_implementation_type");
autoload("lisp-implementation-version", "lisp_implementation_version");
autoload("list-all-packages", "PackageFunctions");
autoload("logand", "logand");
autoload("logandc1", "logandc1");
autoload("logandc2", "logandc2");
autoload("logbitp", "logbitp");
autoload("logcount", "logcount");
autoload("logeqv", "logeqv");
autoload("logior", "logior");
autoload("lognand", "lognand");
autoload("lognor", "lognor");
autoload("lognot", "lognot");
autoload("logorc1", "logorc1");
autoload("logorc2", "logorc2");
autoload("logtest", "logtest");
autoload("logxor", "logxor");
autoload("make-string-input-stream", "StringInputStream");
autoload("make-string-output-stream", "StringOutputStream");
autoload("namestring", "Pathname");
autoload("package-name", "PackageFunctions");
autoload("package-nicknames", "PackageFunctions");
autoload("package-shadowing-symbols", "PackageFunctions");
autoload("package-use-list", "PackageFunctions");
autoload("package-used-by-list", "PackageFunctions");
autoload("packagep", "PackageFunctions");
autoload("pathname", "Pathname");
autoload("pathnamep", "Pathname");
autoload("probe-file", "probe_file");
autoload("remhash", "HashTable");
autoload("rename-package", "PackageFunctions");
autoload("room", "room");
autoload("shadow", "PackageFunctions");
autoload("shadowing-import", "PackageFunctions");
autoload("sxhash", "HashTable");
autoload("unexport", "PackageFunctions");
autoload("unuse-package", "PackageFunctions");
autoload("user-homedir-pathname", "Pathname");
autoload(PACKAGE_EXT, "add-class", "LispClass", true);
autoload(PACKAGE_EXT, "assq", "assq", true);
autoload(PACKAGE_EXT, "classp", "LispClass", true);
autoload(PACKAGE_EXT, "file-directory-p", "probe_file", true);
autoload(PACKAGE_EXT, "gc", "gc", true);
autoload(PACKAGE_EXT, "probe-directory", "probe_file", true);
autoload(PACKAGE_JAVA, "%jregister-handler", "JHandler");
autoload(PACKAGE_PROF, "%start-profiler", "Profiler", true);
autoload(PACKAGE_PROF, "stop-profiler", "Profiler", true);
autoload(PACKAGE_SYS, "%define-condition", "define_condition");
autoload(PACKAGE_SYS, "%defpackage", "PackageFunctions");
autoload(PACKAGE_SYS, "%make-array", "make_array");
autoload(PACKAGE_SYS, "%make-condition", "make_condition");
autoload(PACKAGE_SYS, "%make-hash-table", "HashTable");
autoload(PACKAGE_SYS, "%make-pathname", "Pathname");
autoload(PACKAGE_SYS, "%make-structure", "StructureObject");
autoload(PACKAGE_SYS, "%nstring-capitalize", "StringFunctions");
autoload(PACKAGE_SYS, "%nstring-downcase", "StringFunctions");
autoload(PACKAGE_SYS, "%nstring-upcase", "StringFunctions");
autoload(PACKAGE_SYS, "%open-input-file", "open");
autoload(PACKAGE_SYS, "%open-output-file", "open");
autoload(PACKAGE_SYS, "%set-class-direct-methods", "LispClass");
autoload(PACKAGE_SYS, "%set-class-direct-slots", "StandardClass");
autoload(PACKAGE_SYS, "%set-class-slots", "StandardClass");
autoload(PACKAGE_SYS, "%set-generic-function-discriminating-function", "GenericFunction");
autoload(PACKAGE_SYS, "%string-capitalize", "StringFunctions");
autoload(PACKAGE_SYS, "%string-downcase", "StringFunctions");
autoload(PACKAGE_SYS, "%string-equal", "StringFunctions");
autoload(PACKAGE_SYS, "%string-greaterp", "StringFunctions");
autoload(PACKAGE_SYS, "%string-lessp", "StringFunctions");
autoload(PACKAGE_SYS, "%string-not-equal", "StringFunctions");
autoload(PACKAGE_SYS, "%string-not-greaterp", "StringFunctions");
autoload(PACKAGE_SYS, "%string-not-lessp", "StringFunctions");
autoload(PACKAGE_SYS, "%string-upcase", "StringFunctions");
autoload(PACKAGE_SYS, "%string/=", "StringFunctions");
autoload(PACKAGE_SYS, "%string<", "StringFunctions");
autoload(PACKAGE_SYS, "%string<=", "StringFunctions");
autoload(PACKAGE_SYS, "%string=", "StringFunctions");
autoload(PACKAGE_SYS, "%string>", "StringFunctions");
autoload(PACKAGE_SYS, "%string>=", "StringFunctions");
autoload(PACKAGE_SYS, "%structure-ref", "StructureObject");
autoload(PACKAGE_SYS, "%structure-ref-0", "StructureObject");
autoload(PACKAGE_SYS, "%structure-ref-1", "StructureObject");
autoload(PACKAGE_SYS, "%structure-ref-2", "StructureObject");
autoload(PACKAGE_SYS, "%structure-set", "StructureObject");
autoload(PACKAGE_SYS, "%structure-set-0", "StructureObject");
autoload(PACKAGE_SYS, "%structure-set-1", "StructureObject");
autoload(PACKAGE_SYS, "%structure-set-2", "StructureObject");
autoload(PACKAGE_SYS, "%time", "Time");
autoload(PACKAGE_SYS, "allocate-std-instance", "StandardObject");
autoload(PACKAGE_SYS, "class-direct-methods", "LispClass");
autoload(PACKAGE_SYS, "class-direct-slots", "StandardClass");
autoload(PACKAGE_SYS, "class-slots", "StandardClass");
autoload(PACKAGE_SYS, "default-time-zone", "Time");
autoload(PACKAGE_SYS, "generic-function-discriminating-function", "GenericFunction");
autoload(PACKAGE_SYS, "hash-table-entries", "HashTable");
autoload(PACKAGE_SYS, "make-fill-pointer-output-stream", "FillPointerOutputStream");
autoload(PACKAGE_SYS, "make-instance-standard-class", "StandardClass");
autoload(PACKAGE_SYS, "make-structure-class", "StructureClass");
autoload(PACKAGE_SYS, "make-symbol-macro", "SymbolMacro");
autoload(PACKAGE_SYS, "puthash", "HashTable");
autoload(PACKAGE_SYS, "std-instance-slots", "StandardObject");
}
}
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