Fri Mar 20 21:14:00 1998  Per Bothner  <bothner@cygnus.com>

	* configure.in (VERSION):  Set to 1.6.1.

Wed Mar 11 17:00:00 1998  Per Bothner  <bothner@cygnus.com>

	Kawa version 1.6 released.

Tue Mar 10 20:01:37 1998  Per Bothner  <bothner@cygnus.com>

	* kawa/lang/ApplyExp.java (getFunction):  New method.
	* kawa/lang/PrimArrayNew.java (compile):  Fix compile target type bug.
	* kawa/lang/PrimProcedure.java (applyN):  Use coerced args values.
	* kawa/lang/PrimArraySet.java (compile):  Convert value.

	* kawa/standard/Scheme.java (getTypeValue):  New static method.
	(initScheme):  Add "constant-fold", "system", and more.  Minor fixes.
	* kawa/standard/Makefile.am:  Update.
	* kawa/standard/constant_fold.java:  New Syntax.
	* kawa/standard/{convert.java,instance.java}:  Use Scheme.getTypeValue.
	Various small fixes and improvements.

Mon Mar  9 17:53:33 1998  Per Bothner  <bothner@cygnus.com>

	* kawa/lang/SysInPort.java:  New TtyInPort class.
	* kawa/lang/InPort.java (systemInPort, defaultInPort):  Replace inp.
	(systemInPort):  Is now a SysInPort, instead of TtyInPort.
	* kawa/lang/Makefile.am:  Update accordingly.

	* kawa/lang/PairWithPosition.java:  Line and column nums are 1-origin.

	* kawa/lang/PrimProcedure.java (compile):  Renamed for gnu.bytecode.

	* kawa/lang/ReferenceExp.java (getName, getBinding):  New methods.
	* kawa/lang/PrimArraySet.java (apply3):  Convert value.
	* kawa/lang/SetFieldProc.java (apply2):  Add type convertion.

Tue Mar  3 11:51:08 1998  Per Bothner  <bothner@cygnus.com>

	* configure.in (AC_OUTPUT):  Generate kawa/Version.java.
	* kawa/{Makefile.am,kawa/Makefile.in}: Update to generate Version.java.
	* kawa/repl.java (main):  Handle --version and --main.
	Moving definition of symbol-read-case to Scheme.java.
	* kawa/Version.java.in:  New template used to generate Version.java.
	* kawa/lang/Compilation.java (generateMain, generateMainDefault):  New.
	(addClass):  Generate main method if generateMain is true.
	* kawa/lang/ModuleBody.java (runAsMain):  New method.

	* kawa/lang/{ApplyExp.java,Compilation.java,Literal.java,
	ReferenceExp.java,SetApplyExp.java,SetExp.java,SyntaxRules.java,
	Vector.java}:  Update for moved gnu.bytecode methods.

	* kawa/lang/{GetFieldProc.java,SetFieldProc.java}:  Rewrite to
	work with ClassType (not just Class) and implement Inlineable.
	* kawa/lang/{PrimGetStatic.java,PrimSetStatic.java}:  New Procedures.
	* kawa/lang/{PrimArrayGet.java,PrimArrayLength.java,
	PrimArrayNew.java,PrimArraySet.java}:  New Inlineable Procedures.
	* kawa/lang/{Makefile.am,Makefile.in}:  Update for new classes.
	* kawa/standard/Scheme.java:  Add new methods from kawa.lib.reflection.

	* kawa/lang/LineBufferedReader.java (fill):  Fix minor think-o.
	* kawa/lang/TtyInPort.java (fill):  Likewise.

Tue Feb 24 18:32:21 1998  Per Bothner  <bothner@cygnus.com>

	* kawa/lang/Keyword.java (getName):  New method.

	* kawa/lang/HasSetter.java:  New interface.
	* kawa/lang/Procedure.java (getSetter, set0, set1, setN):  New methods.
	* kawa/lang/Compilation.java:  Make various static values public. 
	* kawa/lang/SetApplyExp.java:  New Expression class.
	* kawa/lang/Setter.java:  New class, extends ProcedureN.
	* kawa/lang/Setter0.java:  New. A 0-argument (not counting RHS) Setter.
	* kawa/lang/Setter1.java:  New. A 1-argument (not counting RHS) Setter.
	* kawa/lang/Makefile.am:  Update for new classes.
	* kawa/lang/AutoloadProcedure.java (getSetter):  New method.
	* kawa/standard/set_b.java (rewrite):  Handle (set! (f . args) v).

	* kawa/lang/Record.java (apply):  Added, since we extend Procedure1.
	(set1):  Method added, as implementation of interface HasSetter.
	(print):  Method added, overrides Procedure.print.
	* kawa/lang/Named.java (sym_name):  Change from public to protected.

	* kawa/lang/Translator.java (rewrite):  Don't check for <TYPE> here.
	* kawa/lang/ReferenceExp.java (lookup):  New method, checks for
 	<TYPE>, but only if otherwise not defined.
	(eval, compile):  Use lookup to handle "<NAME>".

	* kawa/standard/car.java (set1):  New, to implement HasSetter.
	* kawa/standard/cdr.java (set1):  New, to implement HasSetter.
	* kawa/standard/cxr.java (set1):  New, to implement HasSetter.
	* kawa/standard/setter.java:  New Procedure1 class.
	* kawa/standard/make.java:  New ProcedureN class.
	* kawa/standard/Makefile.am, kawa/standard/Scheme.java:  Update.

Thu Feb 19 18:36:18 1998  Per Bothner  <bothner@cygnus.com>

	* Makefile.am, Makefile.in (kawa-@VERSION@-compiled.zip):  Build
	archive from .class files in ".", not installed ones.

	* kawa/lang/InPort.java:  New constructors controlling char conversion.
	(convertToReader, openFile):  New static methods. 
	(readChar, readString):  Always convert CR and CRLF to LF.
	* kawa/lang/TtyInPort.java:  Always convert CR and CRLF to LF.
	* kawa/standard/open_input_file.java:  Simplify - logic
	for selection char encoding is now in InPort.openFile.
	* kawa/lang/CompileFile.java (read):  Use new InPort.openFile method.
	* kawa/Shell.java (runFile):  Likewise.
	* kawa/standard/call_with_input_file.java (apply2):  Likewise.
	* kawa/standard/with_input_from_file.java:  Likewise.
	* kawa/standard/load.java (loadSource, apply2):  Likewise.

Wed Feb 18 22:12:13 1998  Per Bothner  <bothner@cygnus.com>

	* kawa/standard/open_input_file.java:  If binary file, do setBuffer.
	Do setConvertCR(true) for text files.
	* kawa/lang/LineBufferedReader.java:  Fix so line and column numbers
	will be correct for CRLF is seen, even if !getConvertCR().
	* kawa/lang/InPort.java (skipWhitespaceAndComments):  '\r'
	terminates comments starting with ';'.
	* kawa/lang/FString.java (open):  Return plain InPort (to match
	call-with-input-string in kawa.lib).
	* kawa/lang/CharArrayInPort.java (read):  Remove bad optimization.

	* kawa/lang/PrimProcedure.java:  Remove second <float> definition.

Mon Feb 16 16:01:37 1998  Per Bothner  <bothner@cygnus.com>

	* Makefile.am (EXTRA_DIST):  Add Debian source package files.

	* kawa/standard/{call_with_input_string.java,input_port_p.java,
	kawa/standard/output_port_p.java}:  Replaced by functions in kawa/lib.
	* kawa/standard/{Scheme.java,Makefile.am}:  Update accordingly.
	
	* kawa/lang/PrimProcedure.java (string2Type):  Check that name is
	valid Java class name only for not-yet-defined types.
	(getNamedType):  Add input-port and output-port.
	* kawa/lang/Translator.java (rewrite):  Don't call
	PrimProcedure.string2Type here - now handled by string2Type.
	* kawa/standard/prim_method.java (exp2Type):  Likewise.

	* kawa/lang/LineBufferedReader.java:  Re-write for increased
	performance, some extra features, and maybe some bug-fixes.
	(getConvertCR, setBuffer, skip_quick, unread_quick):  New methods.
	(fill):  New overrideable method, subsubmes readHook.
	(readHook):  Removed.
	* kawa/lang/InPort.java:  Efficiency improvements.
 	(readDigits):  New method.
	* kawa/lang/TtyInPort.java (fill):  New method, replaces readHook.
	* kawa/lang/{CharArrayInPort.java,NullReader.java}:  New classes.
	* kawa/lang/{Makefile.am,Makefile.in} (OBJ):  Update for new classes.
	* kawa/lang/FString.java (open):  New method.
	* kawa/standard/string2number.java (parse):  Use CharArrayInPort.
	* kawa/standard/Scheme.java (eval): Likewise.
	* kawa/Shell.java (runString):  Likewise.

	* kawa/standard/{convert.java,instance.java}:  Fix error messages.

Sun Feb  8 15:01:42 1998  Per Bothner  <bothner@cygnus.com>

	* configure.in (VERSION):  Set to 1.6.

Fri Feb  6 17:17:17 1998  Per Bothner  <bothner@cygnus.com>

	* */Makefile.am, */Makefile.in (javadir):  Change from $(prefix)/java
	to $(datadir)/java.  More compatible with GNU standards and Linux FHS.
	* kawa/Makefile.am (kawa#(BAT)):  Update KAWALIB location accordingly.
	* kawa/Makefile.am (CLEANFILES):  Use *.class instead of $(OBJ).

	* kawa/standard/Scheme.java:  Add scheme-window procedure.
	* kawa/repl.java (main):  Add -w flag (creates new GuiConsole).

Tue Feb  3 12:57:50 1998  Per Bothner  <bothner@cygnus.com>

	* configure.in, configure:  Set version to 1.5.95.

	* kawa/GuiConsole.java (close):  Make non-private.
	(Works around javac bug in some JDK versions.)
	* kawa/Shell.java:  Better handling of WrongArguments.
	* kawa/repl.java (main):  If compilation throws exception, print stack.
	
	* kawa/standard/{abs,angle,complex_p.denominator,exp,imag_part,log,
	magnitude,make_polar,make_rectangular,number_p,numerator,quantity_p,
	quotient,rational_p,real_p,real_part,remainder,zero_p}.java:
	Replaced by functions in lib.
	* kawa/standard.Scheme.java:  Many functions moved to kawa.lib.numbers.
	* kawa/standard/Makefile.{am,in}:  Update for removed files.
	* kawa/lang/PrimProcedure.java (getNamedType):  Add more logical names.

	* kawa/standard/convert.java: New Procedure2 implements "as".
	* kawa/standard/instance.java: New Procedure2 implements "instance?".
	* kawa.standard/{char_p,vector_p}.java:  Replaced by Scheme functions.
	* kawa/standard/Scheme.java:  Update for new or moved procedures.
	(byteType ... charType): New Scheme-specific SpecialType Types.
	* kawa/standard/Makefile.am:  Update accordingly.
	
	* kawa/lang/{AnyPat,ApplyExp,Char,Compilation,EqualPat,FString,IfExp,
	Keyword,LambdaExp,Literal,ListRepeatPat,Pair,PairPat,PrimProcedure,
	Record,ReferenceExp,SetExp,Special,SyntaxRule,SyntaxRules,Vector}.java:
	Update calls to gnu.bytecode methods (from compile_xxx to emitXxx).
	* kawa/lang/Char.java:  Use Scheme.charType.
	* kawa/lang/ApplyExp.java (compile):  Split off to new static function.
	* kawa/lang/CompileFile.java (read):  Check if unmatched ')' follows.
	* kawa/lang/InPort.java (readListBody):  Fix line-num off-by-one error.
	* kawa/lang/ReadError.java (construct_message):  Likewise.
	
	* kawa/lang/QuoteExp.java (getValue):  New final method.
	* kawa/lang/Translator.java (rewrite_pair):  If functions is an
	Inlineable Procedure, check that the number of args is ok.
	(rewrite):  Use string2Type instead of getNamedType.
	* kawa/lang/SpecialType.java:  New class - extends PrimType.
	* kawa/lang/Makefile.am:  Added SpecialType.class.
	* kawa/lang/Expression.java (compile(Compilation,int,Type)):  No
	longer need special handling here for char and boolean primtive types.
	* kawa/lang/Named.java (getName):  Make non-final.
	* kawa/lang/PrimProcedure.java (applyN):  Make work.
	(getNamedType):  Use new Scheme SpecialType objects.
	(getname):  new overriding method.
	(compile):  Can simplify, because of new SpecialType objects.
	
	* kawa/lang/WrongArguments.java (getMessage, constructor):  New.
	(checkArgCount):  New static method.
	Inherit from IllegalArgumentException, not RuntimeException.
	* kawa/lang/Procedure.java (numArgs):  New virtual method.
	(minArgs, maxArgs):  New final methods.
	(checkArgCount):  New static method.
	* kawa/lang/{Procedure0,Procedure0or1,Procedure1,Procedure1or2,
	Procedure2,Procedure3,Procedure4}.java
	(numArgs):  Add overriding method.
	(applyX):  Remove unneeded throws specifications.
	(applyX):  Use new WrongArguments constructor.
	* kawa/lang/Compilation.java:  If compiling to a ProcedureN class,
	emit numArgs method, and call to cehckArgs.

Tue Jan 27 12:02:33 1998  Per Bothner  <bothner@cygnus.com>

	* configure.in (VERSION):  Set to 1.5.94.

Mon Jan 26 16:38:14 1998  Per Bothner  <bothner@cygnus.com>

	* kawa/lang/CatchClause.java:  Fixes to get things working.
	(getNext, setNext, getBody, setBody): New methods.
	* kawa/lang/TryExp.java:  More fixes.
	(getCatchClauses, setCatchClauses):  New.
	* kawa/standard/prim_throw.java:  New class implements primitive-throw.
	* kawa/standard/throw_name.java:  New Procedure implements throw.
	* kawa/standard/try_catch.java: new syntax, implements try-catch.
	* kawa/standard/error.java:  Removed class.

	* kawa/lang/Named.java (getName):  New method.

	* kawa/standard/Scheme.java (define_proc):  New method overload.
	(initScheme):  Add new methods.  Give name() to old ones.
	* kawa/{lang,standard}/Makefile.am:  Update for new/removed classes.
	
	* kawa/lang/Inlineable.java:  New interface.
	* kawa/lang/PrimApplyExp.java:  Removed - subsumed by PrimProcedure.
	* kawa/lang/PrimProcedure.java:  Implement Inlineable.
 	(compile):  New method, taken from PrimApplyExp.compile.
	* kawa/lang/ApplyExp.java (getArgs):  New method.
	(compile): If a quoted Inlineable function, call its compile method.
	* kawa/lang/Translator.java (rewrite_pair):  Check if func name is
	bound to an Inlineable proc;  if so, wrap it in a QuoteExp.
	But we no longer need to handle PrimProcedure specially.
	* kawa/standard/prim_method.java (exp2Type):  New method.
	(rewrite):  Use exp2Type.
	* kawa/lang/NamedException.java:  New class.

	* kawa/lang/PrimProcedure.java (getnamedType):  Don't put
	predefined <TYPENAME>s in types;  let rewrite handle it.
	* kawa/lang/Translator.java (rewrite):  Handle generate <TYPENAME>.

	* kawa/lang/InPort.java (readListBody):  Allow "(. x)", so change
	return type to Object instead of List.
	* kawa/lang/ModuleExp.java (constructor):  Update for readListBody.
	* kawa/lang/CompileFile.java (read):  Likewise.
	
	* kawa/lang/{WrongArguments.java,WrongType.java,UnboundSymbol.java,
	GenericError.java}:  Inherit from RuntimeException.

Sat Jan 24 14:31:52 1998  Per Bothner  <bothner@cygnus.com>

	* kawa/MessageArea.java (endMakr, length, out_stream):  New fields.
	(enter):  Don't pass KeyEvent, or do consume here.
	Better handling of various edits, including multi-line paste.
	(write):  New method, body taken from TextAreaWriter.
	(deleteOldText):  New method.
	(textValueChanged):  New listener method.
	* kawa/GuiConsole.java (constructor):  Create GuiInPort, not TtyInPort.
 	(actionPerformed):  Use MessageArea.deleteOldText.
	* kawa/GuiInPort.java:  New class.
	* kawa/TextAreaWriter.java (write(String)):  Call MessageArea.write.
	(write):  Add cast from int to char. (Patch from Albert Ting.)
	* kawa/Makefile.am, kawa/Makefile.in (OBJ):  Add GuiInPort.class.

Tue Jan 20 10:28:24 1998  Alternator Petrofsky  <albatros@wco.com>

	* kawa/lang/InPort.java (readState):  Changed to StringBuffer.
	isDelimiter, readNestedComment, readVector): New functions
	(skipWhitespaceAndComments): Handle nested comments.
	(readListBody): Update.  Use isDelimiter after dot.

Wed Jan 21 12:37:10 1998  Per Bothner  <bothner@cygnus.com>

	General cleanup of how Environments work, especially how they
	interact with Interpreters (i.e. Scheme) and Futures.
	* kawa/lang/Environment.java (global):  New static.
	(getCurrent, setCurrrent):  If current thread is not a Future,
 	get/set global, rather than Scheme.env.
	* kawa/lang/Future.java:  New constuctor, with given Environment.
	* kawa/lang/Interpreter.java (environ):  Make protected.
	(getEnvironment, setEnvironment):  New methods.
	(define, lookup):  Moved here from kawa/standard/Scheme.java.
	* kawa/standard/Scheme.java (builtin):  New static method.
 	(curEnvironment, setEnvironment, makeEnvironment):  Removed.
	(env):  Removed static field.
	(initcheme):  Use environ, in place of env.
	(constructor):  Re-write more cleanly.
	* kawa/standard/user_env.java:  Use Environment.user().
	* kawa/Shell.java (apply):  Set and restore current Environment.
	* kawa/repl.java (main):  Fix for new Scheme interface.
	* kawa/GuiConsole.java (constructor):  Add new Scheme environment
	to Future (instead of creating a new one).
	(main):  Update for new ENvironment conventions.	

	* kawa/{Makefile.am,Makefile.in} (SECONDARY_OBJS):
	Remove GuiConsole$$_MenuAction.class.
	* kawa/TextAreaWriter.java (write(String)):  New method.
	Insert at outputMark if writing to a MessageArea.
	* kawa/MessageArea.java (append):  Remove.
	(enter):  Nicer behavior.
	* kawa/GuiConsole.java:  More menu actions.  Various improvements.
	
Mon Jan 19 14:44:09 1998  Per Bothner  <bothner@cygnus.com>

	* configure.in:  Set version to 1.5.93.

	* kawa/lang/Compilation.java (mangleClassName):  Renamed to mangleName.
	* kawa/lang/LambdaExp.java:  Update.
	* kawa/lang/Declaration.java (constructor):  Set Variable.name to
	mangled name (with mangleName), while Declaration.sym is source name.

	* kawa/Shell.java:  Extend Procedure0, so it can be passed to Future.
	Add contsructur, various fields, and make methods non-static.
	Remove code now in Scheme (read and print methods).
	(run, runString)  Take Interpreter arguemnts, not Environment.
	* kawa/repl.java:  Update for new Shell.run interfaces.
	* kawa/{TextAreaWriter.java,GuiConsole.java,MessageArea.java}:
	New classes, for making a Frame with a repl.
	* kawa/Makefile.am:  Add new classes.
	
	* kawa/standard/load.java (loadSource):  Update for new Shell.run.

	* kawa/lang/Interpreter.java (read, print):  New abstract methods.
	* kawa/standard/Scheme.java (read, print):  New methods.
	(Scheme):  Support multiple instances and environments.
	(initScheme):  New method, created from Scheme constructor.
	Add port-char-encoding, copy-file, input-port-read-state.

	* kawa/lang/Expression.java (eval):  Make non-abstract.  Throw error.
	* kawa/lang/LetExp.java (eval):  Remove.

	* kawa/lang/LineBufferedReader.java (convertCR)  New field.
	(setConvertCR):  New method.
	(read):  Only squash CR and CRLF to LF if convertCR.
	* kawa/standard/{open_input_file.java,open_output_file.java}:
	Use port-char-encoding to select char conversion and text vs binary.

	* kawa/lang/OutPort.java (outDefault, setOutDefault, errDefault,
	setErrDefault):  Get/set thread-local port (in current Future).
	* kawa/lang/InPort.java (inDefault, setInDefault):  Likewise.

	* kawa/lang/QueueReader.java:  New class.

	* kawa/lang/TryExp.java:  Add code to implement try-catch.
	* kawa/lang/CatchClause.java:  New class, for try-catch catch clause.
	* kawa/lang/Makefile.am:  Add QueueReader and CatchClause.

	* kawa/lang/PrimProcedure.java (toString):  Added.
	(member):  New field.
	(applyN):  Implement (partially) using reflection.

Thu Jan 15 13:03:02 1998  Per Bothner  <bothner@cygnus.com>

	* kawa/lang/InPort.java (readState):  New field.
	(getReadState):  New method.  (Used by input-port-read-state.)
	(readList, readSchemeObject):  Set and restore readState.

Sat Jan 10 13:42:48 1998  Alcibiades Petrofsky <albatros@wco.com>

	* kawa/lang/Continuation.java:  Support multi-value continuation.

	Support full R4RS number syntax, including polar, plus infinity/NaN.
	* kawa/lang/InPort.java (readSchemeComplex):  New method.
 	(readSchemeNumber, readSchemeReal):  Re-write.
	* kawa/standard/string2number.java:  Update.

Sun Dec 14 22:42:44 1997  Per Bothner  <bothner@cygnus.com>

	* configure.in:  Set version to 1.5.92.
	* kawa/repl.java:  Define new variable symbol-read-case.
	* kawa/lang/InPort.java (getReadCase):  New function.
	(readSymbol):  Check value of getReadCase.
	* kawa/langEnvironment.java (user):  Now just returns value of current.
	
Sun Dec 14 16:12:19 1997  Per Bothner  <bothner@cygnus.com>

	* kawa/lang/*.java:  More updates for gnu.bytecode changes.
	* kawa/lang/Compilation.java (addClass):  Fix type of "this".
	* kawa/lang/Environment.java (current):  Renamed to getCurrent.
	(setCurrent):  New method.
	Various fixes to support per-thread environments.
	* kawa/lang/ModuleExp.java (eval_module):  Set and restore
	current Environment if we must compile.

	* kawa/lang/Expression.java (getType):  New method.
	* kawa/lang/TryExp.java:  New class, for try-finally expressions.
	* kawa/lang/Makefile.am:  Add TryExp.

	* kawa/standard/Scheme.java (setEnvironment):  New method.
	(Scheme):  Define dynamic-wind and fluid-let.
	* kawa/standard/try_finally.java:  New class which extends Syntax.
	* kawa/standard/Makefile.am:  Added try_finally.

	* kawa/standard/load.java (loadCompiled):  Update ZipLoaded constuctor.

Thu Nov 27 21:42:08 1997  Per Bothner  <bothner@cygnus.com>

	* kawa/lang/*.java:  Update for gnu.bytecode changes.
	(Mostly change Method.compile_xxx to CodeAttr.emitXxx.)
	* kawa/repl.java (checkInitFile):  Fix thinko (sense of test).
	On non-Unix-like system, read kawarc.scm instead of .kawarc.scm.

Wed Nov 12 22:25:56 1997  Per Bothner  <bothner@cygnus.com>

	* kawa/lang/ApplyExp.java (compile):  Fix typo.

Sat Nov  1 23:30:16 1997  Per Bothner  <bothner@cygnus.com>

	* configure.in:  Change version to 1.5.91.
	* */Makefile.am:  Add JCFLAGS.
	* configure.in, */Makefile.am:  Remove --with-jdk11 flag, and stuff
	that depends on it  Make the reflection stuff non-optional.
	
	* kawa/lang/Compilation.java (addClass):  Generate literals in
	<clinit>, not <init>.

	* kawa/stadard/Scheme.java:  Add environment-bound? and
	scheme-implementation-version from kawa.lib.misc.

	* kawa/lang/Compilation.java (compileConstant):
	Inlined call to Literal.compile.
	If value is String, just compile_push_string (if !immediate).
	(addClass):  Call method.initCode() - gnu.bytecode changed.
	* kawa/lang/Literal.java (compile):  Removed.
	(emit):  Handle Strings to always use CONSTANT_String.
	* kawa/lang/LambdaExp.java (compile):  Set type of this.
	* kawa/lang/SchemeLoader.java (loadClass):  Add extra name arg to
	defineClass call, to match new JDK1.1 non-deprecated interface.

Fri Sep 26 21:34:39 1997  Per Bothner  <bothner@cygnus.com>

	* kawa/lang/Symbol:  This is now a helper class, with no instances.
	Scheme symbols are now represented by java.lang.String objects.
	All methods are static.  Also, add some debugging utilities.
	* kawa/lang/Interpreter.java (trueObject, falseObject):
	Use Boolean.TRUE and Boolean.FALSE.
	* kawa/lang/PrimProcedure.java:  Update <symbol> to String.
	Add <function>.
	* kawa/*/*.java:  Change Symbol parameters and variables to String.
  	Remove duplicates methods.  Replace Symbol.make("xxx") by plain "xxx".
	* kawa/lang/Compilation.java:  Update replacing Symbol by String.
	* kawa/lang/Environment.java (remove(Binding)):  Fix bug when chained.
	(remove(String), remove(Object)):  New overloaded methods.
	* kawa/lang/SyntaxRule.java (indexOf):  New method.
	* kawa/lang/Translator.java (syntaxError):  Use OutPort.errDefault()
	instead of System.err.
	(current_decls):  Change from Hashtable to Environment.

	* kawa/standard/{substring,string_copy,string_fill_b}.java:
	Removed.  Replaced by kawa/lib/strings.scm.
	* kawa/standard/Makefile.am:  Removed old classes.
	* kawa/standard/Scheme.java:  Update for new string and symbol code.
	* kawa/standard/real_part.java:  Fix thinko.

	* kawa/lang/FString.java (fill):  New method.
	* kawa/lang/ApplyExp.java (compile):  Remove unused variable func_name.
	* kawa/lang/Nameable.java:  Removed - not used.
	* kawa/lang/OutPort.java (errInitial):  Set autoflush.
	(outInitial):  Initialize using System.out, not System.err.
	(setLogFile, closeLogFile):  New methods.
	* ALL/Makefile.in:  Re-generate using automake 1.2.

Wed Jul  2 16:26:35 1997  Per Bothner  <bothner@cygnus.com>

	* kawa/lang/*:  Change representation of (interned) Scheme symbols
	to interned java.lang.String.
	* kawa/standard/*, kawa/Shell.java:  Likewise.
	* kawa/lang/Interpreter.java (falseObject, trueObject):
	Use Boolean.FALSE and Boolean.TRUE.  Make static fields final.

Sun Jun 22 14:07:48 1997  Per Bothner  <bothner@cygnus.com>

	Use JDK1.1 I/O characters-oriented Reader/Writer classes.
	* kawa/lang/*.java (print):  Update .PrintStream -> PrintWriter.
	Update FileInputStream -> FileReader.
	* kawa/standard/*.java (print):  Likewise.
	* kawa/lang/LineBufferedReader.java:  New class extends FilterReader.
	* kawa/lang/InPort.java:  Much functionality now in LineBufferedReader.
	Use read instead of readChar.
	* kawa/lang/LogWriter.java:  New class - extends FilterWriter.
	* kawa/lang/Compilation.java (compileConstant):  Handle null.
	* kawa/lang/TtyInPort.java:  New class extends InPort.
	* kawa/lang/OutPort.java:  Now inherits from PrintWriter.
	* kawa/lang/SFormat.java:  Substantial re-write.

	* kawa/lang/PrimProcedure.java (getNamedType):  New worker function
	for string2Type.  Support RScheme/Dylan-style names (e.g. <symbol>).
	* kawa/lang/Translator.java:  Recognize <symbol> etc.
	* kawa/standard/Scheme.java:  Add new procedures.
	* kawa/standard/call_with_input_string.java:  Can now simplify.
	* kawa/standard/call_with_input_string.java:  Can now simplify.
	* kawa/standard/call_with_output_string.java:  Likewise.
	* kawa/standard/char_ready_p.java:  Handle both Reader and InputStream.
	* kawa/standard/readchar.java:  Likewise.

	* kawa/Shell.java (run):  New (overloaded) method.
	Re-write to new I/O implementation.  (Prompt handled by Reader itself.)
	* kawa/repl.java:  Re-write for new I/O.

Thu May 29 14:34:45 1997  Per Bothner  <bothner@cygnus.com>

	* kawa/standard/apply.java (applyN):  Generalize to general sequences.
	* kawa/standard/load.java.  Fix thinko.  (Reported by Jay Krell.)

	* kawa/lang/PrimProcedure.java (string2Type):  Handle array types.
	* kawa/lang/PrimApplyExp.java (compile):  Allow array return type.

Mon May 26 12:11:52 1997  Per Bothner  <bothner@deneb.cygnus.com>

	* configure.in, configure (VERSION):  Set to 1.5.
	* **/Makefile.{am,in}:  Use CPASSPATH environment variable (which
	add to standard path), instead of -classpath (which replaces).
	* kawa/standard/load.java (loadSource):  Do fstream.close when done.
	(apply2):  Fix filenames.
	* kawa/standard/Scheme.java:  Add new functions from lib/files.scm.
	* kawa/repl.java:  Add support for home-directory, and reading
	init file from ~/.kawarc.scm.

Tue May 20 22:13:25 1997  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/lang/InPort.java (readOptionalExponent);  Handle sign.
	(readSchemeNumber):  Update Complex.imOne use from field to method.

Wed May  7 12:26:28 1997  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/lang/InPort.java:  Fix some problems in reading numbers.

Tue Apr  1 18:55:47 1997  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/lang/Compilation.java (mangleClassName):  Mangle common Scheme
	identifier chars more legibly.
	(generateClassName):  Except for the mainClass, use mainClass+'$'
	as classPrefix, a la JDK 1.1 Inner Classes.

	* kawa/standard/{cons,append,vector_v,vector_append}.java:
	Add import java.lang.Error to work around case-fold bug in
	JDK 1.0.2 in NT.

Mon Mar 31 16:56:50 1997  Per Bothner  <bothner@deneb.cygnus.com>

	* configure.in (VERSION):  Change to 1.4.

	Move kawa.math to gnu.math.
	Update kawa.math -> gnu.math various places.
	* kawa/Makefile.{am,in} (SUBDIRS):  Remove math.

Tue Mar 25 15:27:34 1997  Per Bothner  <bothner@kalessin.cygnus.com>

	Move codegen to gnu/bytecode.
	Update for moved package codegen -> gnu.bytecode and new method names.

	* kawa/lang/Symbol.java (gentemp):  New method.
	* kawa/lang/DefMacro.java, kawa/lang/Makefile.am:  New Syntax class.
	* kawa/lang/Lambda.java:  Handle syntax errors better.
	* kawa/standard/Scheme.java:  Update for lib/syntax.scm additions.

Wed Mar 19 11:08:04 1997  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/Shell.java (run):  Don't special case #!null result.
	* kawa/lang/PrimProcedure.java (<init>):  If opcode is invokeinterface,
	make classtype an interface.

Tue Mar 18 14:03:58 1997  Per Bothner  <bothner@deneb.cygnus.com>

	* configure.in, configure:  Change VERSION to 1.3beta.

	* kawa/lang/AutuloadSyntax.java (load):   Make more robust.

	* kawa/standard/{greater_oper,greaterequal_oper,less_oper,
	lessequal_oper}.java:  Generalize from RealNum to Numeric.	
	* kawa/standard/equal_oper.java:  Use Numeric.compare, not equals.
	* kawa/standard/Scheme.java (define-unit):  Fix location.

Mon Mar 17 17:20:20 1997  Per Bothner  <bothner@deneb.cygnus.com>

	* configure.in:  Add --with-jdk11 option.  Add new substitution
	variables JAVA, JAVAC, EXTRA_OBJ, EXTR_MISC, JAVA_VERSION.

	* kawa/lang/{PrimProcedure,PrimApplyExp}.java:  Generalize, for the
	sake of primitive-constructor and primitive-interface-method.
	* kawa/standard/prim_method.java:  Likewise.

	* kawa/lang/Keyword.java:  New class, for keyword values.
	* kawa/lang/Special.java:  New class, for special values.
	* kawa/lang/Symbol.java:  Add new static print method overloading.
	* kawa/lang/Sequence.java (eofValue):  Re-initialize as Special.eof.
	* kawa/lang/Values.java (empty):  New static field, for #!void.
	(print):  If printing Values.empty, print as #!void.
	(make):  If no values, return Values.empty.
	* kawa/lang/Interpreter (voidObject):  Redefine as Values.empty.
	(nullObject):  Removed.
	* kawa/lang/*.java:  Update Interpreter.nullObject -> List.Empty.
	* kawa/standard/{string2list,vector2list}.java:  Likewise.
	* kawa/lang/Translator.java (rewrite):  Treat null as any other
	literal value.  (Needed to make #!null work.)
	* kawa/lang/Char.java (charNames):  Make array of String, not Symbol.
	* kawa/lang/InPort.java (readSymbol):  Modify to recognize keywords.
	(readSpecial):  New function.
	(readCharacter):  Assume charNames is String array.
	* kawa/lang/SFormat.java (print):  Print null as #!null.
	Remove special handling for StringBuffer (no longer used for strings).
	
	* kawa/lang/LambdaExp.java:  Support more general formal parameter
	list (with DSSSL-inspired #!optional, #!rest or #!keyword).
	* kawa/lang/Compilation.java (addClass(LambdaExp,String)):  Likewise.

	* kawa/lang/{GetFieldProc,SetFieldProc,Record,RecordConstructor}.java:
	New classes for record feature.
	* kawa/lang/Makefile.{am,in}:  Update accordingly.
	
	* kawa/lang/{FString,Literal,SyntaxRule,SyntaxRules,Vector}.java:
	Update for renamed compile_invoke_nonvirtual -> compile_invoke_special.

	* kawa/langFString.java (print):  If !readable, just call
	PrintStream.print (to get better autoflush behavior).
	* kawa/lang/WrongArguments.java:  Simplify, make more robust.
	* kawa/lang/QuoteExp.java (falseExp):  New static field.

	* kawa/standard/ifp.java:  Make default else value be #!void.
	* kawa/standard/{eof_object_p,exit,make_string,newline,
	string_length}.java:  Removed - replaced by precedures in ../lib.
	* kawa/standard/error.java:  New procedure (from DSSSL).
	* kawa/standard/Scheme.java:  Update for new and moved procedures.
	* kawa/standard/Makefile.{am,in}:  Likewise update.
	* kawa/standard/values_v.java:  Use Values.make.
	
Sat Mar  8 11:00:24 1997  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/lang/LambdaExp.java (hasNestedScopes):  Removed.  Replaced by:
	* kawa/lang/ModuleExp.java (mustCompile):  New field.
	(eval_module):  Test mustCompile instead of hasNestedScopes.
	* kawa/lang/Translator.java (mustCompileHere):  New method.
	(rewrite_pair):  If we create a PrimApplyExp, call mustCompileHere.
	* kawa/lang/ScopeExp.java (push):  Re-implement - use mustCompileHere.
	* kawa/standard/Scheme.java:  Add define-unit.

Mon Mar  3 13:24:01 1997  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/lang/SetExp.java:  Add extra casts for multiple static links.

Tue Feb 11 20:06:49 1997  Per Bothner  <bothner@deneb.cygnus.com>

	* configure.in (VERSION):  Set to 1.2.
	* Makefile.am (kawa-@VERSION@-compiled.zip):  New rule.

Tue Feb  4 22:16:51 1997  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/lang/Expression.java (Compile with Type):  Cast to
	boolean_type such that result is false iff arg is #f.
	* kawa/lang/PrimProcedure.java (getStaticFlag, getParameterTypes): New.
	* kawa/lang/Translator.java (rewrite_pair):  Use new methods
	(and don't crash on primitive-op1).	

Mon Feb  3 17:05:29 1997  Per Bothner  <bothner@kalessin.cygnus.com>

	* configure.in (VERSION):  Set to 1.2 beta.

	* kawa/repl.java:  Merge in kawac features.
	* kawac.java:  Remove - no longer needed.
	* Makefile.am:  Simplify, since we no longer have any .java files here.
	* kawa/Makefilea.am:  Make all-recursive depend on repl.class.

	* kawa/lang/Future.java (toString):  New.

	* kawa/lang/Translator.java (rewrite_pair):  Look for PrimProcedure.
	* kawa/lang/PrimApplyExp.java, kawa/lang/PrimProcedure.java,
	kawa/standard/prim_method.java:  New classes.
	* kawa/lang/Char.java (makeCharMethod):  Make public.
	(charValueMethod, initMakeMethods):  New methods.
	* kawa/lang/Expression.java (compile):  New overload - takes Type.

	* kawa/Shell.java (run):  Make prompt arg be String, not boolean.
	* kawa/{Shell,repl}.java, kawa/standard/load.java:  Update callers.

	* kawa/standard/{char2integer,char_downcase,char_lower_case_p,
	char_numeric_p,char_upcase,char_upper_case_p,char_whitespace_p,
	integer2char}.java:  Removed.  Superceded by ../lib/characters.scm.
	* kawa/standard/{list2vector,vector_length,vector_ref,
	vector_set_b,vector_v}.java:  Superceded by ../lib/vectors.scm.
	* kawa/standard/Scheme.java:  Update for new and moved methods.
	* kawa/standard/Makefile.am:  Update - mostly removed classes.

	* kawa/standard/negative_p.java:  Use isNegative rather than sign.

Sat Jan 25 12:00:08 1997  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa.java:  Moved to kawa/repl.java.
	* doc:  New directory.  Moved documentation there.
	* Makefile.am, kawa/Makefile.am:  Updated.
	* kawa/Makefile.am:  Create kawa shell-script.
	* */Makefile.in: Update, using new automake version.

	* kawa/lang/Eval.java (eval):  Change back to public.
	* kawa/standard/Scheme.java (eval):  Update to changed Eval.eval.
	
	* kawa/lang/Translator.java (check_if_syntax, scan_body):  New methods.
	(rewrite_body):  Re-write to handle internal definitions.
	* kawa/standard/Scheme.java (beginSyntax, defineSyntax):  New statics.
	* kawa/standard/define.java (rewrite):  Re-structure, and
	handled internal definition as a set!.
	* kawa/lang/SyntaxRule.java (execute_template):  Don't fully rewrite.
	* kawa/lang/SyntaxRules.java (rewrite1):  New method.
	* kawa/lang/ScopeExp.java (countDecls):  New method.

	* kawa/standard/define_syntax.java:  Add rules to translation
	environment, so macro will work when compiling.
	* kawa/standard/load.java (loadSource):  Evaluate expressions
	one by one, so macros will work.
	* kawa/lang/Eval.java (eval):  Make private and add argument.
	* kawa/lang/Translator.java (currentScope, addGlobal):  New methods.

Tue Jan 21 18:12:53 1997  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/standard/{make_polar,angle}.java:  New Procedures.
	* kawa/standard/Makefile.{am,in}:  Add make_polar and angle.
	* kawa/standard/Scheme.java:  Liekwise.  Add magnitude as abs synonym.
	* kawa/standard/{exp,expt,,log,sqrt}.java:  Re-implement.

	* kawa/lang/Pattern.java (match):  Change return type to boolean.
	* kawa/lang/{AnyPat,EqualPat,ListPat,ListRepeatPat,PairPat,
	VarListPat}.java (match):  Update return type and value.
	* kawa/lang/PairPat.java (car_count, cdr_count):  New fields.
	* kawa/lang/SyntaxRules.java (rewrite):  Change call to match.
	
Mon Jan 20 16:23:28 1997  Per Bothner  <bothner@kalessin.cygnus.com>

	* kawa/lang/Compilation.java:  Add new addClass overloading,
	based on the code from compilefunc.compile.
	* kawa/lang/LambdaExp.java:  Use Compilation.addClass.
	* kawa/lang/compilefunc.java:  No longer needed.

	* kawa/standard/callcc.java: Remove redundant cast.

	* kawa/lang/Future.java:  New class.
	* kawa/standard/force.java:  Handle Future as well as Promise.
	* kawa/standard/{make_future,sleep}.java:  New procedures.
	* kawa/standard/Scheme,java:  Add future, %make-future. and sleep.
	* kawa/{lang,standard}/Makefile.{am,in}:  Update as needed.

	* kawa/lang/InPort.java (readSchemeReal):  Only recognize
	exponent marker as such if followed by '+', '-', or digit.

Sun Jan  5 19:18:27 1997  Per Bothner  <bothner@deneb.cygnus.com>

	Create new Translator class from the rewrite-related methods and data
	in Interpreter, and create new Translator for each top-level ModuleExp.
	* kawa/lang/CompileFile.java (compile_to_files):  Return true
	if syntax errors seen.
	* kawa/lang/Translator.java:  New class, comtaining non-static data
	and rewrite-related methods from Interpreter.
	* kawa/lang/Environment.java (lookup_global,define_global):
	Moved here from Interpreter.
	* kawa/lang/Compilation.java (lookupGlobalMethod, defineGlobalMethod):
	Update accordingly.
	* kawa/lang/Interpreter.java: Only static fields and boolObject remain.
	* kawa/lang/LambdaExp (eval_module):  Moved to ModuleExp.
	* kawa/lang/ModuleExp.java (constructor):  Take extra filename arg.
	* kawa/lang/{AutoloadProcedure,AutoloadSyntax,CompileFile,Declaration,
	Eval,Expression,LambdaExp,Quote,ScopeExp,Syntax,SyntaxRule,SyntaxRules}
	.java, kawa/standard/{and_or,begin,define,define_syntax,ifp,let,letrec,
	load,quasiquote,set_b,syntax_error}.java, kawa/Shell.java:
	Update Interpreter -> Translator.
	Update statics in Interpreter to Scheme.
	* kawa.java, kawac.java:  Update.
	* kawa/standard/Scheme.java (makeEnvironment):  New function.
	(define,lookup,env):  Moved from Interpreter.

Fri Jan  3 17:35:43 1997  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/lang/ModuleExp.java:  New class.
	* kawa/lang/Makefile.{am,in}:  Update accordingly.
	* kawa/lang/ModuleBody.java (env_formal, formals):  Moved to ModuleExp.
	* kawa/lang/LambdaExp.java (is_module_body):  Field removed.
	(isModuleBody):  Reimplement as instanceof ModuleExp.
	(setModuleBody):  Removed.
	(constructors):  Remove one, simplify another.
	* kawa/lang/{CompileFile,Eval}.java:  Create ModuleExp, not LambdaExp.
	* kawa/Shell.java (run):  Likewise.
	
	* kawa/lang/InPort.java (readSchemeReal):  New.
	(readSchemeNumber):  Re-write.  Add support for complex and units.
 	(readAlphaWord, readOptionalExponent):  New helper methods.

	* kawa/standard/equal_oper.java:  Just use equals method.
	* kawa/standard/expt.java:  Use new Numeric.power(IntNum) virtual.
	* kawa/standard/integer_p.java:  Handle integral DFloNum.

	* kawa/standard/{complex_p,imag_part,make_quantity,make_rectangular,
	quantity2number,quantity2unit,quantity_p,real_part}.java:  New.
	* kawa/standard/{Makefile.{am,in},Scheme.java}:  Update accordingly.

Sun Dec 15 22:29:30 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* configure, configure.in:  Support new testsuite directory.
	* Makefile.{am,in} (SUBDIRS):  Add new testsuite directory.

	* kawa/standard/{ceiling,floor,round,truncate}.java:  Use new
	RealNum.toInt virtual method.	
	* kawa/standard/inexact2exact.java:  Use new RealNum.toExact.

	* kawa/standard/rationalize.java:  New procedure.
	* kawa/standard/{Makefile.{am,in},Scheme.java}:  Update accordingly.

Fri Dec 13 15:57:47 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/lang/Environment.java (define):  New overloaded method.
	* kawa/lang/Interpreter.java (rewrite_body):  Use List.list_length.

	* kawa/lang/InPort.java (read):  Catch IOException from in.available.
	(Needed on some Java implementations.)
	(readSymbol, readSchemeNumber, readSchemeObject):  Provide and use
 	overloaded versions that are passed next character, avoiding backup.
	(readString):  Handle C-style and Java-style escapes.
	(readListBody):  New, re-written from readList, with new interface.
	* kawa/lang/CompileFile.java (read):  Use InPort.readListBody.
	* kawa/lang/LambdaExp.java:  New constructor for ModuleBody,
	* kawa/lang/Eval.java (eval):  New overloaded versions.

	* kawa/standard/{bit_extract.logand,logbit_p,logcount,logior,lognot,
	logop,logtest,logxor}.java:  New procedures.
	* kawa/standard/{Makefile.am,Makefile.in,Scheme.java}:  Update.

	* kawa/standard/expt.java:  Simplify - use RatNum.power.
	* kawa/standard/eqv_p.java (eqv_p):  Rename to isEqv.
	* kawa/standard/exact2inexact.java:  Use RealNum.doubleValue,

Sun Nov 24 13:04:49 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/lang/SFormat.java:  New class.
	* kawa/lang/print.java:  Moved print to SFormat.  Removed.
	* kawa/lang/Makefile.{am,in}:  Update accordingly.
	* kawa/lang/{Equalpat,LambdaExp,ListRepeatPat,OutPort,Pair,PairPat,
	Promise,QuoteExp,ReferenceExp,SetExp,SyntaxRule,SyntaxRules,Values,
	Vector}.java, kawa/Shell.java:  Replace print.print by SFormat.print.

Wed Nov 20 23:02:32 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/lang/InPort.java (available):  Handle IOException.

	* kawa/lang/InPort.java (readSchemeNumber):  Handle fraction.
	
	* kawa/standard/int_length.java:  New procedure and class.
	* kawa/standard/length.java:  Remove length method (using
	method with same name as class confuses J++).
	* kawa/lang/Interpreter.java:  Change length.length to List.length.
	* kawa/standard/{apply,length,let,letrec}.java:  Likewise.	
	* kawa/standard/values.java:  Rename to values_v to avoid case problem.
	* kawa/standard/{Scheme.java,Makefile.{am,in}}:  Update.

Sat Nov 16 15:08:42 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/lang/compilefunc.java (compile):  Only compile_return
	if reachableHere ().
	* kawa/lang/IfExp.java (compile):  Use new Method methods for
	IfState:  compile_ifneq, compile_else, compile_fi.

Mon Nov  4 16:07:08 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/standard/{eq_p,eqv_p,equal_p,list_p,symbol2string}.java:
	Remove redundant name qualification (which J++ complains about).
	Remove constructors.  Generally remove verbosity.
	* kawa/standard/equal_p.java (equal_p):  Remove.
	(J++ thinks static method is constructor.)
	* kawa/standard/Scheme.java:  Don't depend on eq_p.name etc.
	* kawa/lang/EqualPat.java (match):  Remove use of equal_p.equal_p.

Thu Oct 24 12:39:52 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/standard/list.java:  Renamed to list_v to avoid problems
	on case-insenstive filesystems.
	* kawa/standard/{Scheme.java,Makefile.{am,in}}:  Update accordingly.

Tue Oct 22 23:14:49 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* configure.in (VERSION):  Set to 1.1alpha.

	* kawa/standard/letstar.java:  Removed.
	* kawa/standard/Scheme.java:  Update syntax class names.
	* kawa/standard/Makefile.{am,in}:  Update accordingly.

Mon Oct 21 12:58:17 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/Shell.java (runFile):  Re-write to call load.loadSource.
	This forces compilation, which has better line number support.
	Also rmeoved unused formal parameters.
	* kawa.java:  Update for new Shell.runFile calling convention.

	* kawa/standard/Scheme.java:  Update string -> string_v.

	* kawa/lang/FString.java:  New file.  Replaces uses of StringBuffer.
	* kawa/lang/Makefile.{am,in}:  Add FString.class.
	* kawa/lang/InPort.java (readString):  Return FString not StringBuffer.
	* kawa/lang/Literal.java (emit):  Remove StringBuffer support.
	* kawa/lang/Compilation.java:  Likewise.

	* kawa/lang/Sequence.java (eofValue):  New static.
	* kawa/lang/Interpreter.java (eofObject):  Removed.
	* kawa/lang/Compilation.java (scmSequenceType):  Added.

	* kawa/lang/Compilation.java (mangleClassName): Handle general Unicode.
	
	* kawa/Shell.java, kawa/lang/{CompileFile,InPort}.java,
	kawa/standard/{eof_object_p,load,readchar}.java:
	Update Interpreter.eofObject -> Sequence.eofValue.

	* kawa/standard/{string_ci_equal_p,string_ci_greaterequal_p,
	string_ci_greaterthan_p,string_ci_lessequal_p,string_ci_lessthan_p,
	string_copy,string_equal_p,string_greaterequal_p,string_greaterthan_p,
	string_lessequal_p,string_lessthan_p,with_input_from_file,
	with_output_to_file}.java:  Remove StringBuffer coercion.
 	This makes the code more general, efficient, and handles FString.

	* kawa/standard/{call_with_input_file,call_with_output_file,
	call_with_output_string,list2string,make_string,number2string,
	open_input_file,open_output_file,string2list,string2symbol,
	string_append,string_fill_b,string_length,string_p,string_ref,
	string_set_b,string_v,substring,symbol2string}.java:
	Update from StringBuffer to FString for Scheme string values.
	* kawa/lang/CompileFile.java:  Likewise.

Fri Oct 18 14:06:40 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/lang/Environment.java:  Rewrite.
	Remove stuff for lexical scopes.
	Make into first-class object like Dictionary, but with "inheritance."
	* kawa/lang/{Binding,Location}.java:  New classes.

	* kawa/lang/Declaration.java (getvalue, getframe, setvalue):
	Remove - eval no longer deal with lexical scoping.
	* kawa/lang/LambdaExp.java (hasNestedScopes):  New field.
	(compile_setLiterals):  No longer needs to worry about a static
	link in outer-most lambda from evaluated LetExp.
	* kawa/lang/LetExp.java (eval):  Just throw exception.
	* kawa/lang/SetExp.java (eval):  Now only handle top-level names.
	* kawa/lang/ScopeExp.java (eval):  Likewise.
	* kawa/lang/ReferenceExp.java (eval):  Likewise.
	(compile_load):  Use recursive compile_load for staticLink.

	* kawa/lang/ModuleBody.java:  New abstract interface, using run.
	* kawa/lang/LambdaExp.java (<init>):  Support ModuleBody interface.
	(eval_module):  New interface (pass Environment).
	* kawa/lang/CompileFile.java (read):  New interface to set modulebody.
	* kawa/lang/compilefunc.java:  ModuleBody now takes Environment.
	* kawa/lang/{AutoloadProcedure,AutoloadSyntax}.java:  Update likewise.
	* kawa/standard/load.java, kawa/Shell.java:  Likewise.

	* kawa/lang/{Lambda,LambdaExp,Quote}.java, kawa/standard/{and_or,
	begin,define,define_syntax,ifp,let,letstar,letrec,quasiquote,set_b,
	syntax_error}.java:
	Replace throw new WrongArguments by return interp.syntaxError.
	* kawa/standard/letstar.java: Remove a pointless use of VarListPat(1).
	* kawa/lang/Syntax.java (rewrite):  No longer throws WrongArguments.
	* kawa/lang/Interpreter (rewrite*):  Likewise.
	* kawa/lang/AutoloadSyntax (load etc):  Likewise.

	* kawa/lang/SyntaxRule.java (2-arg execute_template):  Do rewrite here,
	and thus return an expression instead of an Object.
	* kawa/lang/SyntaxRules.java (rewrite):  Therefore do not rewrite here.
	
	* kawa/standard/StandardInterpreter.java:  Renamed to Scheme.java.
	* kawa/standard/ashift.java:  New function (arithmetic-shift).
	* kawa/standard/not.java:  Fix broken semantics (required Boolean).
	* kawa/standard/{string,vector}.java:  Renamed to string_v.java and
	vector_v.java to avoid confusion on case-insensitive filesystems.
	* kawa/standard/quasiquote.java:  Update accordingly.
	* {kawa,kawac}.java:  Update StandardInterpreter->Scheme.
	
	* kawa/lang/Interpreter.java (curEnvironment):  New [temporary] method.
	(rewrite_pair):  Deal with hygiene Symbol in current_decls.
	* kawa/lang/Eval.java:  New class, for "eval" function.
	* kawa/lang/Makefile.{am,in}:  New files Location, Binding, Eval.

	* kawa/standard/{scheme_env,null_env,user_env}.java:  New classes.
	* kawa/standard/Makefile.{am,in}:  Update accordingly.

	* kawa/lang/InPort.java (readSchemeNumber):  Make more robust.
	* kawa/standard/string2number.java:  On ReadError, return #f.
	* kawa/lang/Pair.java (pair):  Remove redundant call to super.

	* kawa/lang/Compilation (findLiteral):  Never allocate a field
	for a String - more efficient to just use a CONSTANT_String.
	* kawa/lang/Literal.java (emit):  String is never ALLOCATED now.

Mon Sep 16 11:04:28 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* configure.in (VERSION):  Set to 1.0.  (Yeah!)
	* Makefile.{am,in}:  Add rule to make kawa.html and include it in dist.
	* Makefile.{am,in} (EXTRA_DIST):  Add license.terms and scm2java.html.
	* scm2java.html:  Warn that it is not current, and fix some typos.

	* kawa/standard/{floor,ceiling,truncate,round}.java:  Handle IntNum.
	* kawa/standard/{lcm,max,min,modulo,quotient,remainder}.java:  New.
	* kawa/standard/{StandardInterpreter.java,Makefile.{am,in}}:  Update.

Sun Sep 15 11:07:48 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* **/Makefile.{am,in}: (javadir):  Use $(subdir)
	{DEP_,}DISTFILES):  Do not include DATA (i.e. *.class).
	Replace generated EXTRA_DIST with ditto SOURCES.
	* kawa/Shell.java:  Less verbose error messages.
	* kawa/standard/{gcd,string2number,call_with_output_string}.java:  New.
	* kawa/standard/{StandardInterpreter.java,Makefile.{am,in}}:  Update.
	* CompileFile.java (read):  Take Environment, not Interpreter.
	Add overloaded method that uses an InPort.
	* kawa/lang/Environment.java (getInterpreter):  New method.
	* kawa/lang/InPort.java (throws clauses): ReadError -> SyntaxError.
	* kawa/lang/InPort (readNumber -> readSchemeNumber): Make more general.
	* kawa/lang/LambdaExp.java (fileFunctionName):  New static field.
	* kawa/lang/Named.java:  Don't implement no-longer-existing Nameable.
	* kawa/lang/ReadError.java:  Change so getMessage gets raw message,
	* kawa/lang/SetExp.java (compile):  Do maybe_compile_checkcast.
	* kawa/lang/SyntaxError.java:  Removed.
	* kawa/lang/UnboundSymbol.java: Call super so getMessage works.
	
Fri Sep 13 14:27:31 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* configure{.in,}:  Update to version 0.5.
	* kawac.java (main):  Allow infile to follow switches.
	* kawa.texi:  Use VERSION macro.
	* mdate-sh, version.texi:  New files, needed for VERSION macro.

	* kawa/standard/{ceiling,exact2inexact,floor,inexact2exact,
	round,truncate}.java:  More standard Scheme functions.
	* kawa/standard/{StandardInterpreter.java,Makefile.{am,in}}:  Update.
	* kawa/lang/Continuation.java:  Improve error message.
	* kawa/lang/Interpreter.java (read):  Removed.
	* {,kawa/{,lang/,math/,standard/,lib/}}Makefile.{am,in}: Fix
	javac classpath so both build and source directories are searched.
	Do not change directory (which confuses make and is not needed).
	
Fri Sep 13 08:21:33 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/standard/call_with_input_string.javaL  New class.
	* kawa/standard/{StandardInterpreter.java,Makefile.{am,in}}:  Update.
	* kawac.java, kawa/Shell.java:  Don't use old GenericError.message.

	* kawa.java:  Re-write to do options processing.
	* kawa/Shell.java:  Remove constructor.  Make run method static.
	(runString, runFile):  New static methods.
	* kawa.texi:  New documentation file.
	* texinfo.tex:  New support file, needed for kawa.texi.
	* Makefile.{am,in}:  Update for kawa.texi.

Thu Sep 12 16:22:47 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/lang/Literal.java:  Make flags public.
	(emit):  Do flags|=ALLOCATED|INITIALIZED when done, so
	class-specific code does not have to.
	* kawa/lang/{AnyPat,Char,EqualPat,ListRepeatPat,Literal,Pair,PairPat,
	Symbol,SyntaxRule,SyntaxRules,Vector}.java: Remove now-redundant
	setting of Literal.flags.
	* kawa/lang/InPort.java (readNumber):  Only recognize float if decimal.
	Return new kawa.math.IntNum and kawa.math.DFloNum object.
	* kawa/lang/Environment.java (frames, lookup):  Removed - unsued.
	* kawa/lang/Interpreter.java:  Remove unused eval functions.
	Define quote and lambda in StandardInterpreter, not here.
	* kawa/lang/Procedure1or2.java:  Add default constructor.
	* kawa/{,lang,standard,lib}/Makefile.{am,in}:  Add EXTRA_DIST rule.
	Use $*.java instead of possibly-less-portable $(<F).
	* kawa/Makefile.{am,in} (SUBDIRS):  Add math sub-directory.
	* kawa/configure{.in,} (AC_OUTPUT):  Add kawa/math/Makefile.

	* kawa/standard/*.java:  Update to use new Numeric classes.
	* kawa/standard/{acos,asin,atan,cos,denominator,even_p,exact_p,
	exp,expt,inexact_p,log,number2string,odd_p,rational_p,sin,sqrt,
	tan}.java:   New classes for number functions.
	* kawa/standard/Makefile.{am,in} (OBJ):  Add new classes.

Sun Sep  8 21:23:33 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* configure.in (VERSION):  Set to 0.4.
	* {,kawa/,kawa/lang/,kawa/standard/}Makefile.{am,in} (JAVA):
	Fix -classpath argument.
	* kawa/lang/GenericError.java:  Fix to pass message to super.
	* kawa/lang/InPort.java (skipWhitespaceAndComments, readList):
	Handle unexpected EOF.
	* kawa/lang/LambdaExp.java (eval):  Mangle class name.
	* kawa/lang/Compilation.java (mangleClassName):  New function.
	(generateClassName):  Use it.
	* kawa/lang/Makefile.{am,in}:  Add Promise.class.
	* kawa/lang/Promise.java:  New class for Scheme promise objects.
	* kawa/lang/SyntaxRule.java (translate_template):  Don't
	rename identifiers inside quote or quasiquote.
	* kawa/lang/SyntaxRules.java (init):  Mark linenumber info.
	* kawa/standard/cond.java:  Removed.  (Replaced by ../lib/cond.scm.)
	* kawa/standard/Makefile.{am,in}:  Add new classes.  Remove cond.
	* kawa/standard/StandardInterpreter.java:
	Use macro version of cond and let from ../lib.
	Add new functions and macros.
	* kawa/standard/cxr.java:  Fix bugs that trashed fields.
	* kawa/standard/{force,make_promise}.java:  New Procedure1 classes.
	* kawa/standard/syntax_error.java:  New syntax.

Sat Sep  7 12:11:18 1996  Per Bothner  <bothner@deneb.cygnus.com>

	Mostly fixes to improve stack traces.
	* kawa/lang/Compilation.java (source_filename):  New field.
	(constructors):  Set source_filename from LambdaExp filename.
	(addClass):  Set ClassType sourcefile from source_filename.
	* kawa/lang/CompileFile.java (read):  Set filename of LambdaExp.
	* kawa/lang/{Expression,PairWithPosition}.java:  Make methods public.
	* kawa/lang/Expression.java (compile_with_linenumber):  New method.
	* kawa/lang/{BeginExp,IfExp,LetExp,compilefunc}.java (compile):
	Use compile_with_linenumber to emit line numbers where appropriate.
	* kawa/lang/LambdaExp.java (eval):  Set classname from function name.
	Set function name using named.setName.
	* kawa/lang/Literal.java (constructor):  Set default type to Object.
	(compile):  Do a cast if needed.
	* kawa/lang/compilefunc.java (compile):  Do not set name
	(apply2):  Remove.  No longer extend Procedure2.
	* kawa/standard/define.java (rewrite):  Set line number info.
	* kawa/Shell.java (run):  Do printStackTrace on exception.
	
	* kawa/lang/LambdaExp:  Always compile.  Remove doCompile field.
	* kawa/lang/LambdaProcedure.java:  Remove.  Never used.
	* kawa/lang/Makefile.{am,in}:  Remove LambdaProcedure.class.

	Implement quasi-quoatation (backquote):
	* kawa/standard/vector_append.java:  New ProcedureN.
	* kawa/standard/{append,cons,vector}.java:  Allocate a new Procedure
	of this type.  This is so quasiquote can access these standard
	functions by value (not name).  Also implement Compilable.
	* kawa/standard/quasiquote.java:  New primitive syntax.
	* kawa/standard/StandardInterpreter.java:  Add quasiquote,
	vector-append.  Change cons, append, vector to use static procs.
	Remove non-working compile-func.
	* kawa/standard/Makefile.{am,in}:  Add quasiquote, vector_append.

Thu Sep  5 00:00:13 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/standard/{abs,append,apply,char_ci_greater_equal_p,
	char_ci_greater_p,char_ci_less_equal_p,char_ci_less_p,char_equal_p,
	char_greater_equal_p,char_greater_p,char_less_equal_p,char_less_p,
	char_ready_p,define,equal_oper,greater_oper,greaterequal_oper,
	less_oper,lessequal_oper,list_ref,list_tail,load,make_string,
	make_vector,minus_oper,multiply_oper,negative_p,newline,not,
	plus_oper,positive_p,read,reverse,setcar_b,setcdr_b,string,
	string2symbol,string_length,string_ref,string_set_b,symbol2string,
	vector_length,writechar,zero_p}.java:  Update to use Named.name().

	* kawa/standard/{car,cdr}.java:  Named.name is now a method.
	* kawa/standard/cxr.java:  New class.  Generalization of c[ad]*r.
	* kawa/standard/caaaar,caaadr,caaar,caadar,caaddr,caadr,caar,cadaar,
	cadadr,cadar,caddar,cadddr,caddr,cadr,cdaaar,cdaadr,cdaar,cdadar,
	cdaddr,cdadr,cdar,cddaar,cddadr,cddar,cdddar,cddddr,cdddr,cddr}.java:
	Removed - superseded by cxr.java.
	* kawa/standard/{StandardInterpreter,Makefile.{am,in}}:  Update.

Wed Sep  4 13:43:32 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/lang/CompileFile.java (compile_to_files):  New function,
	to compile to one or more source files.

	* kawa/lang/SchemeLoader.java:  Zip archive support moved
	to codegen/ZipArchive.java.
	* kawa/lang/compilefunc.java:  Maybe compile to ModuleBody.

	* kawa/lang/{SyntaxRuleSyntaxRules}.java:  New classes, to support
	define-syntax/syntax-rules (R5RS hygienic top-level macros).

	* kawa/lang/AutoloadProcedure.java (name):  Replace by super.name().
	(load) Support autoloading an entire module.
	* kawa/lang/AutoloadSyntax.java:  New class, to autoload macros.

	* kawa/lang/{Nameable,Named}.java:  Store a symbol, not a String.
	(name):  Change from String field to Symbol-returning method.
	* kawa/lang/{Procedure,Procedure0,Procedure1,Procedure2,Procedure3,
	Procedure4,Procedure0or1,Procedure1or2,Interpreter,LambdaProcedure,
	Syntax,compilefunc}.java:  Update to use Named.name().
	* kawa/lang/Compilation.java (nameField):  Update name and Type.
	* kawa/lang/ProcedureN.java:  Add Symbol-taking constructor.
	* kawa/lang/LambdaExp.java (name):  Change from String to Symbol.
	* kawa/lang/LambdaProcedure.java (constructor):  Name is now Symbol.
	* kawa/lang/compilefunc.java (compile):  Name is now a Symbol.

	* kawa/lang/Syntax.java (print):  New method to implement Printable.
	* kawa/lang/UnboundSymbol.java:  Store a Symbol rather than a String.
	* kawa/lang/ReferenceExp.java (eval):  Update for UnboundSymbol fix.
	* kawa/lang/LambdaExp.java (is_module_body):  New field,
	(isModuleBody,setModuleBody):  New methods.

	* kawa/lang/Procedure.java:  No longer implement Executable.
	(execute):  Remove obsolete interface.

	* kawa/lang/Interpreter.java (quasiquote,unquote, unquotesplicing):
	Remove unused fields.
	* kawa/lang/Interpreter.java (resolve):  Add extra argument
	so caller can do current_decls.get and test for renamed global.

	* kawa/lang/ReadError.java:  Include line number info in error message.
	* kawa/lang/Interpreter.java (rewrite_car, rewrite_pair_with_position,
	rewrite_pair):  New functions to rewrite with line numbers.
	(syntaxError):  Report filename and line/column position.
	* kawa/lang/Expression.java (filename, position):  New fields.
	(setFile, setLine, getFile, setFule, getColumn):  New methods.

	* kawa/lang/Pattern.java (match):  New abstract calling interface.
	(varCount):  New abstract method.
	* kawa/lang/{EqualPat,ListPat,VarListPat}.java (match):
	Change to match new interface.  Implement varCount.
	* kawa/lang/EqualPat.java (makeLiteral, emit):  Implement Compilable.
	* kawa/lang/{AnyPat,ListRepeatPat,PairPat).java:  New Pattern classes.

	* kawa/lang/ModuleBody.java:  New sub-class of Procedure0.
	* kawa/lang/ErrorExp.java (compile):  Fix reversed test.

	* kawa/lang/InPort.java:  Keep track of line and column position.
	Supports marks and reset.
	(readQuote):  Generalize with extra argument.
	(readQuasiQuote):  Superseded by generalized readQuote.

	* kawa/lang/Literal.java (emitArray):  New method.
	(emit):  Support (Object[]), (Symbol[]), (String) type literals.
	(check_cycle):  New method.
	* kawa/lang/{WrongArguments,WrongType}.java:  Add Symbol-taking init.
	* kawa/lang/IfExp.java (eval,compile): Missing else returns voidObject.
	* kawa/lang/print.java (print):  Handle (int[]).

	* kawa/lang/Compilation (emitLiteral):  New method.
	(scmPatternType,symbolArrayType,scmNamedType,nameField):  New statics.
	(findLiteral):  Handle Object[] values.
	(findNamedClass, generateClassName, constructor):  New methods.
	* kawa/lang/LambdaExp.java (compile):  Use new generateClassName.
	(eval):  Use more natural class names.
	* kawa/lang/Vector.java (findLiteral):
	Simplify by using new support for emitting Object[] values.
	* kawa/lang/{Pair,Vector}.java (emit):  Use new emitLiteral method.
	* kawa/lang/PairWithPosition.java:  New class extends Pair.
	
	* kawa/lang/{Executable,Syntaxable,QuasiQuote,Unquote,
	UnquoteSplicing}.java:  Remove obsolete classes.
	* kawa/lang/Makefile.{am,in}:  Update for new and removed classes.

	* kawa/standard/{begin,cond,define,ifp,let,letrec,letstar,set_b}.java:
	Remove print method.  No longer needed.
	* kawa/standard/{apply,boolean_p,procedure_p}.java:
	Remove non-default constructor.  Name binding handled by autoload.
	* kawa/standard/{ass,mem,readchar,write}.java: Use new Named.name().
	* kawa/standard/define.java (rewrite):  Call setName with Symbol.
	* kawa/standard/define_syntax.java:  New class - hygienic macros.

	* kawa/standard/StandardInterpreter.java (define_syntax): New function.
	(constructor):  Add new macros.  Some cleanup here and there.
	* kawa/standard/load.java (loadClassFile):  New function.
	(apply1):  Also support loading from a .class file.
	* kawa/standard/{unless,when}.java:  Replaced by lib.when_unless.
	* kawa/standard/Makefile.{am,in}:  Update.  Fix SUFFIXES.

	* kawa/lib:  New directory.
	* kawa/Makefile.{am,in}:  Add lib to SUBDIRS.

	* configure{.in,} (AC_OUTPUT):  Add kawa/lib/Makefile.
	* kawac.java:  New application class.
	* Makefile.{am,in}:  Build kawac.class.  Fix SUFFIXES.

Tue Aug 20 13:59:36 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/lang/Values.java:  New class.
	* kawa/standard/{values,call_with_values}.java:  New functions.
	* kawa/standard/StandardInterpreter.java:  Define new functions.
	* kawa/{lang,standard}/Makefile.{am,in}:  Add new classes.

	* kawa/standard/and_or.java:  Do setSimple on temp if top-level.


Sat Jul 20 11:25:05 1996  Per Bothner  <bothner@deneb.cygnus.com>

	Make kawa-0.3 release.

	* configure.in, configure (AC_INIT):  Look for kawa.java now.
	* kawa/Shell.java:  Re-structure.

	* kawa/standard/{and,or}.java:  Remove old-style implementations.
	* kawa/standard/{and_or,with_output_to_file}.java:  New classes.
	* kawa/standard/{StandardInterpreter.java,Makefile.{am,in}:  Update.
	
	* kawa/standard/{let,letstar,letrec,set_b}.java (rewrite):
	Call Declaration.noteValue.
	* kawa/standard/minus_oper.java (applyN):  Fix sign/logic error.
	
	* kawa/lang/Interpreter.java (apply):  Remove obsolete method.
	(lookup_global):  Fix typeo.

	Implement tail-recursion-elimination (and fix more bugs).
	* kawa/lang/Expression.java (compile):  Changed to take flag mask
	instead of boolean. Added IGNORED and LAST.
	* kawa/lang/{ApplyExp,BeginExp,ErrorExp,IfExp,LambdaExp,LetExp,
	QuoteExp,ReferenceExp,SetExp}.java:  Update definitions and
	uses of compile methods accordingly.
	* kawa/lang/IfExp.java (compile): Only goto end_label if reachableHere.
	* kawa/lang/ApplyExp.java (compile):  Check for and optimize
	tail-recursion.
	* kawa/lang/LambdaExp.java (argsArray): New, replaces local array_args.
	* kawa/lang/LambdaExp.java:  Call noteValue appropriately,
	* kawa/lang/LambdaExp.java (getArgs):  New method.
	* kawa/lang/LetExp.java (print):  Deal with artificial Variables.
	* kawa/lang/QuoteExp.java (undefined_exp):  New static field.

	* kawa/lang/Declaration.java (value):  New field.
	(noteValue):  New method.

	* kawa/lang/compilefunc.java (compile):  Set start_label.
	
	* kawa/lang/Compilation.java:  Make int1Args a field, not a local.

	* kawa/standard/exit.java:  Take optional status.  Call System.exit.
	* kawa/lang/Exit.java:  Removed.  No longer needed.
	* kawa/lang/{Makefile.am,Makefile.in}  Remove Exit.class.
	
	* kawa/lang/ScopeExp.java (assign_space):  If outside any lambda,
	make all variables non-simple (and allocate a heapFrame).
	
	* kawa/lang/Named.java:  Don't make pointless copy of name.
	* kawa/lang/Procedure.java:  Deafult is name is now null.
	* kawa/lang/Procedure0or1.java:  Add default constructor.
	* kawa/lang/AutoloadProcedure.java (load):  If we have a name but
	the loaded Procedure has none, use the former for the latter.
	* kawa/standard/{plus_oper,minus_oper,multiply_oper,divide_oper).java:
	Remove constructor.  Naming is handled by autoloader.

Sat Jul 20 17:40:46 1996  Anthony Green  <green@csk3.cygnus.com>

	* */Makefile.am, */Makefile.in: srcdir is no longer 
	forced to be at the same level as build dir.

Fri Jul 19 14:55:52 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/standard/{call_with_input_file,call_with_output_file,
	char_ready_p,current_input_port,current_output_port,
	with_input_from_file}.java:  New functions.
	* kawa/standard/{StandardInterpreter.java,Makefile.{am,in}:  Update.

Thu Jul 18 15:04:46 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/lang/Literal.java (emit):  Fix StringBuffer init invocation.
	* kawa/lang/Vector.java:  Add makeLiteral, print; implement Compilable.

	* kawa/standard/string{,_ci}_{greater,less}thanequal_p.java:
	Rename to avoid the redundant "than".
	* kawa/standard/{string_fill_b,vector_fill_b,vector_set_b}.java:
	Return Interpreter.voidObject.
	* kawa/standard/string_append.java:  Allow 0 arguments.

	* kawa/standard/{setcar_b,setcar_b).java:  Return voidObject.
	* kawa/standard/{car,car).java:  Fix exception message.
	* kawa/standard/list_ref.java:  Fix typo.
	
	* kawa/{char2integer,char_alphabetic_p,char_downcase,
	char_lower_case_p,char_numeric_p,char_upcase,char_upper_case_p,
	char_whitespace_p,integer2char}.java:  Add remaining char functions.
	* kawa/standard/reverse.java:  Add last missing list function.
	* kawa/standard/{StandardInterpreter.java,Makefile.{am,in}:  Update.

	* kawa/lang/InPort.java:  Fix mis-reading of ,@ (unquote-splicing).
	(readUnquoteSplicing,readUnquote):  Inline single calls, and remove.

	* kawa/lang/Symbol.java (print):  Slashify if printReadable.
	* kawa/lang/Char.java:  Add makeLiteral, print;  implement Compilable.
	* kawa/lang/CompileFile.jave:  Don't add redundant .zip extension.

Wed Jul 17 20:34:37 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/Shell.java:  Don't exit if eval returns #<eof>.

	* kawa/lang/{InPort,OutPort}:  Add name field.
	Add print methods and implement Printable.

	* kawa/lang/Compilable.java (makeLiteral):  New method.
	* kawa/lang/{Pair,Symbol}.java:  Implement makeLiteral.
	* kawa/lang/Compilation.java:  Use makeLiteral if value is Compilable.
	* kawa/lang/Interpreter.java (eofObject):  Change print-name.

Wed Jul 17 19:34:00 1996  R. Alexander Milowski <sgml@winternet.com>

	* kawa/standard/{char_ci_equal_p,char_ci_less_p,char_ci_less_equal_p,
	char_ci_greater_p,char_ci_greater_equal_p,
	input_port_p,output_port_p,open_input_file,open_output_file,
	close_input_file,close_output_file}.java:  New Scheme procedures.
	* kawa/standard/{StandardInterpreter.java,Makefile.{am,in}:  Update.

Tue Jul 16 23:23:16 1996  Per Bothner  <bothner@deneb.cygnus.com>

	Lots of fixes and improvements, mostly compiler-related.
	* kawa/lang/Compilable.java:  New interface.
	* kawa/lang/Pair.java:  Implement emit method; Compilable interface.
	* kawa/lang/Symbol.java:  Likewise.
	* LetExp.java (eval):  Update for space_needed->frameSize; heapFrame.
	(compile):  Don't do redundant add_var's.
	* SchemeLoader.java:  Support loading classes form a ZipArchive.
	* kawa/lang/Interpreter.java (lookup_global, define_global):
	Now take Symbol rather than String.
	(resolve):  Do decl.setSimple(false) also for top-level lexical defs.
	* kawa/lang/LambdaExp.java:  Move heapFrame and heapSize to ...
	* kawa/lang/ScopeExp.java:  ... here.  Rename heapSize -> frameSize.
	(assign_space):  Fix for non-function lexical scope.
	(space_needed):  Removed, subsumed by frameSize.
	* kawa/lang/LambdaExp.java (compile_setLiterals):  New method.
	* kawa/lang Compilation.java:  New constructor interface.
	Many new pre-defined ClassTypes, Methods, Fields.
	(findLiteral):  New recursive function.
	* CompileFile.java:  New class - read and compile an entire file.
	* kawa/lang/Declaration.java (getValue, getFrame):  Handle heapFrame.
	* kawa/lang/Literal.java:  Now generates code to initialize literals
	when compiling to a file.  Handles circular data.
	* kawa/lang/ReferenceExp.java (compile, compile_load):  Various fixes.
	* kawa/lang/SetExp.java (compile):  Push symbol rather than string.
	* kawa/lang/compilefunc.java:  Lots of re-arranging and fixes
	for file compilation, lexical outer-function scopes, etc.
	Move setLiterals-related code to LambdaExp.compile_setLiterals.
	* kawa/standard/load.java:  Can now load from compiled .zip file
	as well as from a .scm source file.
	* kawa/lang/{Makefile.am,Makefile.in}:  Add new classes.

Tue Jul 16 19:09:36 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/lang/AutoloadProcedure.java:  New class, for autoloading.
	* kawa/standard/StandardInterpreter.java (define_proc):  New method.
	(<init>):  Use new autoloading define_proc extensively.
	* Makefile.{am,in}:  Add {newline,map,callcc}.class.

	* kawa/lang/{Continuation,CalledContinuation}>java:  New classes.
	* kawa/standard/callcc.java: Implement limited call/cc.

	* kawa/lang/List.java (toVector):  New method.
	* kawa/lang/InPort.java (readSchemeObject):  Handle vector syntax.
	* kawa/standard/list2vector.java (apply1):  Use List.toVector.
	* kawa/standard/list_tail.java (listTail):  New method.
	* kawa/standard/{list_tail,list_ref}:  Use list_tail.listTail.
	
	* kawa/standard/{minus_oper,multiply_oper,divide_oper,equal_oper,
	greater_oper,greaterequal_oper,less_oper,lessequal_oper}.java:
	Re-write to extend ProcedureN, rather than Named.
	* kawa/standard/map.java:  New class, implements map and for-each.
	* kawa/standard/newline.java:  New class, implements newline function.
	* kawa/lang/print.java (print):  Handle Object[].
	* kawa/lang/Expression.java (compile):  Make abstract.
	* kawa/lang/ErrorExp.java (compile):  Added.

Tue Jul 16 19:05:50 1996  R. Alexander Milowski <sgml@winternet.com>

	* kawa/lang/InPort.java (readCharacter):  Recognize letters, e.g. #\A.
	
Thu Jul 11 15:10:14 1996  Per Bothner  <bothner@deneb.cygnus.com>

	Major re-write.  All functions are now byte-compiled,
	using the codegen package.

	* kawa/lang/{Compilation,CompiledProc,Literal,SchemeLoader,
	compilefunc,loadcompiled}.java:  New classes - compilation-related.
	* Makefile.{am,in} (OBJ):  Add new classes.

	* kawa/lang/{Expression,ApplyExp,BeginExp,IfExp,LambdaExp,LetExp,
	QuoteExp,ReferenceExp,SetExp}.java: Add compile method.
	* kawa/lang/Declaration.java (getFrame, getValue, setValue):  New.
	* kawa/lang/Interpreter.java(lookup_global,define_global,resolve): New.
	* kawa/lang/LambdaExp/(staticLink, heapFrame):  New variables.
	(eval):  Actually compile to get new bytecode.
	* kawa/lang/List.java:  New makeList methods.
	* kawa/lang/Procedure{,0,2,3,4}.java:  Add default initializer.
	* kawa/lang/ReferenceExp.java (compile_load):  New method.
	* kawa/lang/ScopeExp.java:  A ScopeExp now contains Scope, which
	includes all the Variables/Declarations as a linked list.
	(num_decls, decls)  Removed.
 	(firstVar, currentLambda):  New methods.
	* kawa/lang/SetExp.java (isDefining, setDefining, compile_store):  New.

	* kawa/standard/Makefile.{am,in}: Fix typos (bogus 'eq' in string ops).
	* kawa/standard/let.java:  Remove pointless pattern.match.
	* kawa/standard/{let,letstar}.java:  Don't allocate array of
	Declarations (since we now use links).
	* kawa/standard/define.java:  Set DEFINING_FLAG on result.
	* kawa/standard/letrec.java:  Re-wriiten to use extend Syntax.
	* kawa/standard/StandardInterpreter.java: Upadet for new letrec.
	* kawa/standard/load.java:  Close on port on eof.
	* kawa/standard/string2list.java:  Use Char.make rather than new Char.

Tue Jul  2 11:34:24 1996  Anthony Green  <green@csk3.cygnus.com>

	* Makefile.am, Makefile.in, configure.in: Added the codegen
 	directory to the build procedure.

	* */Makefile.am */Makefile.in: Added "make clean" support.

Fri Jun 28 17:47:12 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/standard/cond.java:  Re-write to use recursion.

Fri Jun 28 15:02:21 1996  R. Alexander Milowski <sgml@winternet.com>

	* kawa/standard/{list2string,list2vector,string2list,string_append,
	string_ci_equal_p,string_ci_greaterthan_p,string_ci_greaterthanequal_p,
	string_ci_lessthan_p,string_ci_lessthanequal_p,string_copy,
	string_equal_p,string_fill_b,string_greaterthan_p,
	string_greaterthanequal_p,string_lessthan_p,string_lessthanequal_p,
	substring,vector2list,vector_fill_b}.java:  New classes.
	* kawa/standard/cond.java:  Implement cond syntax.
	* kawa/standard/StandardInterpreter.java:  Update accordingly.
	* kawa/standard/Makefile{am,in}:  Add new files.

Tue Jun 25 20:40:57 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/lang/Char.java:  New class, for representing Scheme characters,
	* kawa/lang/{SyntaxError,ReadError,EofReadError}.java:  New Exceptions.
	* kawa/lang/{EOFInComment,EOFInString,InvalidCharacterName,
	InvalidPoundConstruct,MalformedList,NotImplemented,NumberTooLong,
	UnexpectedCloseParen}.java:  Replaced by SyntaxError sub-classes.

	* kawa/lang/{InPort,OutPort}.java:  New classes, replace iport & oport.
	* kawa/lang/{iport,oport}.java:  Removed.
	
	* kawa/lang/Procedure0or1.java:  New Procedure sub-class.

	* kawa/lang/{Procedure,Expression}.java: Implement Printable interface.
	* kawa/lang/LambdaExp.java:  Add optional name field, setName method.
	* kawa/lang/LambdaProcedure.java:  Use and print LamdaExp.name.

	* kawa/lang/ErrorExp.java:  New Expression sub-class.
	* kawa/lang/Interpreter.java:  Move read-related functions to InPort.
	* kawa/lang/Interpreter.java:  Update iport->InPort, oport->OutPort.
	* kawa/lang/SetExp.java (eval):  Return voidObject.
	* kawa/lang/Symbol.java:  New makeUninterned, generate methods.
	Add make as a (preferred) synonym for intern.
	* kawa/lang/print.java:  Print obj.toString() as the default.
	Print Scheme strings with quoting if OutPort.printReadable.
	
	* kawa/{lang,standard}/Makefile.{am,in}:  Updated accordingly.

	* kawa.java, kawa/Shell.java:  Update iport->InPort, oport->OutPort.
	* kawa/Shell.java: Use eofObject.  No longer catch removed Exceptions.
	
	* kawa/standard/StandardInterpreter.java (define_proc):  new method.
	Use it to add new primitives.
	* kawa/standard/{char_equal_p,char_greater_equal_p,char_greater_p,
	char_less_equal_p,char_less_p,char_p,make_string,string,string_ref,
	string_set_b}.java:  Stylistic changes.  
	Update java.lang.Character->Char.
	* kawa/standard/{eof_object_p,load,read,readchar,write,writechar}.java:
	New classes to implement I/O primitives.
	* kawa/standard/eqv_p.java:  Chars are now equal? iff eq?.
	* kawa/standard/ifp,set_b}.java:  Use new Interpreter.syntaxError.
	* kawa/standard/define.java:  Likewise.  Also do LambdaExp.setname.

	* license.term:  New license Based on Tcl copyright.
	* COPYING:  Removed.

Fri Jun 21 00:03:34 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/lang/Declaration (context):  New field.
	(Declaration):  Initialize index to -1.
	* kawa/lang/ScopeExp.java (assign_space, add_decl):  New methods.
	(shared, num_decls, space_needed):  New fields.
	* kawa/lang/LambdaProcedure.java (applyN):  Always allocate
	new frame using LambdaExp.space_needed field.
	* kawa/lang/LetExp.java (eval):  Use Declaration.index when setting.
	* kawa/lang/ReferenceExp.java (eval):  Search up lexical scope chain.
	* kawa/lang/SetExp.java (eval):  Likewise.
	* kawa/lang/LambdaExp.java (LambdaExp):  Use new ScopeExp.add_decl.
	* kawa/standard/{let,letstar}.java (rewrite):  Likewise.
	* kawa/lang/ApplyExp.java (print):  Fix thinko.
	* kawa/lang/BeginExp.java (eval):  Fix typo.

Wed Jun 19 17:00:03 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/lang/Sequence.java:  New abstract class.
	* kawa/lang/List.java:  Now inherits from Sequence.
	* kawa/lang/Makefile.am:  Update accordingly.
	* kawa/lang/Pair.java (equalds, length, elementAt):  New methods.
	* kawa/lang/vector.java -> Vector.java:  Renamed and re-implemented.
	* kawa/standard/equal_p.java:  Re-implement to use equals method.
	* kawa/standard/{make_vector,vector,vector_length,vector_p}.java,
	kawa/standard/{vector_ref,vector_set_b}.java:  Use new Vector class.
	
Wed Jun 19 10:16:59 1996  Per Bothner  <bothner@deneb.cygnus.com>
	
	* kawa/lang/symbol.java -> Symbol.java:  Renamed class.
	* kawa/lang/List.java:  New class.
	* kawa/lang/pair.java -> Pair.java:  Renamed;  made sub-class of List.
	* kawa/lang/snull.java:  Removed.  Use static List.Empty instead.
	* kawa/lang/Procedure1or2.java:  New sub-class of Procedure.
	* kawa/lang/{*.java,Makefile.am,Makefile.in}:  Update accordingly.

	* kawa/standard{*.java,Makefile.am,Makefile.in}:  Update accordingly.
	* kawa/standard/{append,apply.make_vector,string,vector}.java:
	Re-write as Procedure sub-class.
	* kawa/standard/{ass,mem}.java:  Minor cleanups and optimizations.
	* kawa/standard/list_p.java:  Use List.list_length.

Tue Jun 18 12:19:46 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/lang/Expression.java:  New abstract class.
	* kawa/lang/{ApplyExp,BeginExp,IfExp,LambdaExp,LetExp,QuoteExp,
	ReferenceExp,ScopeExp,SetExp}.java:  New sub-classes of Expression.
	* kawa/lang/Pattern.java:  New abstract class (for pattern matching).
	* kawa/lang/{ListPat,VarListPat}.java:  New sub-classes of Pattern.
	* kawa/lang/{Declaration,Environment}.java:  New classes.
	* kawa/lang/Procedure.java:  New abstract class.
	* kawa/lang/Procedure{0,1,2,3,4}.java:  Re-written to extend Procedure.
	* kawa/lang/ProcedureN.java:  New sub-class of Procedure.
	* kawa/lang/LambdaProcedure.java:  Re-written to extend Procedure.

	* kawa/lang/Syntax.java:  New abstract class.
	* kawa/lang/Syntax{0,1,2,3,4}.java:  Removed.  No longer used.
	* kawa/lang/{Lambda,Quote}.java:  Re-written to extend Syntax.
	* kawa/lang/print.java:  Handle null Object.
	* kawa/lang/symbol.java:  Re-write to intern in hashTable,
	and removed public constructor.
	* kawa/lang/Interpreter.java:  New methods: rewrite and rewrite_body.
	Removed some no-longer used stuff, and added some minor stuff.

	* kawa/Shell.java:  Re-write raw expression before eval.
	Print message if null returned.  Re-indent.

	* kawa/standard/{begin,define,ifp,let,set_b}.java:
	Re-write as sub-class of Syntax.
	* kawa/standard/letstar.java:  Syntax sub-class for "let*".
	* kawa/standard/length.java:  Add static int-returning "work" function.
	* kawa/standard/{equal_p,eqv_p}.java:  Add similar boolean function.
	* kawa/standard/{list,plus_oper}.java: Re-written to extend ProcedureN.
	* kawa/standard/string2symbol.java:  Should not fold case.
	* kawa/standard/StandardInterpreter.java:  Update accordingly.

Wed Jun 12 22:06:58 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/lang/print.java:  New class, with just a print method (for now).
	* kawa/lang/pair.java (print):  Just call printNoParen.
	(printNoParen):  Use loop (not recursion), and kawa.lang.print.print.
	* kawa/lang/vector.java (print):  Use kawa.lang.print.print.
	* kawa/Shell.java (run):  Use kawa.lang.print.print.
	* Makefile (JAVAC):  Search ".:, not ".." for classpath.
	* kawa/lang/Makefile (OBJ):  Add print.class.

Wed Jun 12 19:34:35 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* kawa/lang/Interpreter.java (trueObject, falseObject,
	nullObject, undefinedObject):  Make static.
	* kawa/lang/Procedure[01234].java:  Rename execute[0-4] -> apply[0-4].
	Remove Interpreter and frame arguments.
	* kawa/standards/*.java:  Change most execute methods to new apply
	methods.  Use static references to get trueObject etc.

	* Check in Kawa 0.2.

=============================================================================

Changes since 0.1:
==================

Kawa 0.2 (6-10-96)

Created an Executable and Syntaxable interface for procedures and syntaxes.

Changed class names to get rid of name conflicts that were causing
problems due to java compiler bugs.

Changed string to be java.lang.StringBuffer

Added Procedure0, Procedure1, Procedure2, Procedure3, Procedure4 classes
for simplifying procedure parameter checking.

Added Syntax0, Syntax1, Syntax2, Syntax3, Syntax4 classes for simplifying
syntax parameter checking.

Fixed lambda to clone the current execution frames.  Thus, the following now
works:
   (define x 5)
   (define foo (lambda () x))

   (let ((x 10)) (foo)) => 5

   -and-

   (define bar (let ((x 1)) (lambda () x)))
   (bar) => 1

Created the kawa.lang.iport and kawa.lang.oport classes for input and output
ports, respectively.

Finished the kawa.Shell class.

Create in, out, err members on the kawa.lang.Interpreter class for the stdin,
stdout, stderr respectively (as iport or oport).
