Add support for exception handling.

	* interp/parsing.lisp (TEST-LEXING): Remove.
	(RTRACE): Likewise.
	(RUNTRACE): Likewise.
	(MATCH-ADVANCE-KEYWORD): New.
	(MATCH-ADVANCE-GLYPH): Likewise.
	(MATCH-ADVANCE-SPECIAL): Likewise.
	(MATCH-SPECIAL): Likewise.
	(MATCH-KEYWORD-NEXT): Likewise.
	* interp/newaux.lisp: Make try and throw prefix operators.
	* interp/metalex.lisp (KEYWORDS): Include finally, catch and throw.
	* interp/fnewmeta.lisp (PARSE-Throw): New. Parse throw-expressions.
	(PARSE-Catch): New.  Parse catch-expressions.
	(PARSE-Finally): New. Parse finally-expressions.
	(PARSE-Try): New. Parse try-expressions.
	* interp/compiler.boot (compThrow): New. Register to compile
	throw-expressions. 
	(compTry): New. Register to compiler try-expressions.
	(compCatch): New. Compile catch-handler expression.
	* interp/g-opt.boot (optTry): New.  Simplify simple expressions in
	the try operand.
	* interp/g-util.boot (expandThrow): New.  Expand %throw forms.
	(domainMatchCode): New.
	(expandTry): New. Expand %try forms.
	* doc/msgs/s2-us.msgs: Add new message with key S2GE0020.
	* interp/g-error.boot (systemErrorHandler): Handle possible
	uncaucght expression condition.

1 files changed, 10 insertions, 10 deletions

diff --git a/configure b/configure
index 1c331d39..d6cc2840 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.65 for OpenAxiom 1.4.0-2010-12-05.
+# Generated by GNU Autoconf 2.65 for OpenAxiom 1.4.0-2010-12-06.
 #
 # Report bugs to <open-axiom-bugs@lists.sf.net>.
 #
@@ -701,8 +701,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='OpenAxiom'
 PACKAGE_TARNAME='openaxiom'
-PACKAGE_VERSION='1.4.0-2010-12-05'
-PACKAGE_STRING='OpenAxiom 1.4.0-2010-12-05'
+PACKAGE_VERSION='1.4.0-2010-12-06'
+PACKAGE_STRING='OpenAxiom 1.4.0-2010-12-06'
 PACKAGE_BUGREPORT='open-axiom-bugs@lists.sf.net'
 PACKAGE_URL=''
 
@@ -1491,7 +1491,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures OpenAxiom 1.4.0-2010-12-05 to adapt to many kinds of systems.
+\`configure' configures OpenAxiom 1.4.0-2010-12-06 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1566,7 +1566,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of OpenAxiom 1.4.0-2010-12-05:";;
+     short | recursive ) echo "Configuration of OpenAxiom 1.4.0-2010-12-06:";;
    esac
   cat <<\_ACEOF
 
@@ -1677,7 +1677,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-OpenAxiom configure 1.4.0-2010-12-05
+OpenAxiom configure 1.4.0-2010-12-06
 generated by GNU Autoconf 2.65
 
 Copyright (C) 2009 Free Software Foundation, Inc.
@@ -2569,7 +2569,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by OpenAxiom $as_me 1.4.0-2010-12-05, which was
+It was created by OpenAxiom $as_me 1.4.0-2010-12-06, which was
 generated by GNU Autoconf 2.65.  Invocation command line was
 
   $ $0 $@
@@ -5468,7 +5468,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='openaxiom'
- VERSION='1.4.0-2010-12-05'
+ VERSION='1.4.0-2010-12-06'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -20961,7 +20961,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by OpenAxiom $as_me 1.4.0-2010-12-05, which was
+This file was extended by OpenAxiom $as_me 1.4.0-2010-12-06, which was
 generated by GNU Autoconf 2.65.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -21027,7 +21027,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-OpenAxiom config.status 1.4.0-2010-12-05
+OpenAxiom config.status 1.4.0-2010-12-06
 configured by $0, generated by GNU Autoconf 2.65,
   with options \\"\$ac_cs_config\\"