tclAPI.h

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- Implemented "Class info parameter" in Tcl, aliases for xotcl. Now both definition of parameters and setting of __parameter are in Tcl.

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- changed prefix from "::next::" to "::nx"

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- namespace changes: mostly due to marketing reasons, the naming of the top-level namespace changed from "xotcl2" to "next". reasons: xotcl is hard to pronounce for beginners, sounds like "exotic" (but who wants to program in an exotic language) has a certain stigma of strange namings (e.g. "instproc"), is seen as a precursor of tcloo, the top-level namespace ::xotcl2:: is not very nice either, the separation of framework and language is not clear.

We have now:

::next (the new object system, former ::xotcl2)

::next::core (framework, primitives)

::xotcl (former xotcl1)

- "::xotcl::use" no longer needed, use Tcl standard mechanisms instead

(e.g. "package req next"; "package req XOTcl", "namespace import ::next*")

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- ::xotcl:.configure: added option "keepinitcmd" to flag, whether or not initcmds should be kept as instance variables

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- add check for optional match arguments in tcl stub generator - fix potential memory leaks all "definitely losts" from valgrind (except 24 bytes from Tcl_PkgRequire) gone

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- first part of allowing arbitrary named internally called methods.

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- use "CONST char *" in generated interface and below

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- defined "xotcl::current" as synonym for "::xotcl::self" - new options for ::xotcl::current current object == current current method == current proc current callingmethod == current callingproc - "self proc" and friends are for backward compatibility for xotcl1, "current method" and friends are for xotcl2 - namespace exported "::xotcl::current"

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- renaming of instance variable specific primitiva for more constistency with ::xotcl::importvar:

::xotcl::exists -> ::xotcl::existsvar

::xotcl::setinstvar -> ::xotcl::setvar

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- removed obsolete ::xotcl::configure option "cacheinterface"

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- fixed namespace handling on stack for objects with namespaces (before, it was possible that a variable was created in an object's namespace without -objscope) - as a consequence, ListChildren() had to be adjused, since it depended on the previous namespace handling on the stack - fixed object sesolving in NsDotVarResolver() (before, it was possible that NsDotVarResolver could create variables in the wrong namespace) - simplified NsDotVarResolver() - more cleanup in name resolver * USE_DOT is gone * XOTclDotDotCmd() removed * improved performance of InterpCompiledDotVarResolver() * made LookupVarFromTable() obsolete and removed it * renamed DotVarResolver() and friends to ColonVarResolver() etc. - extended regression test

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- renamed ::xotcl::valuecheck -> ::xotcl::parametercheck

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- renamed old "xotcl::is" -> "xotcl::objectproperty" - renamed old "xotcl::is2" -> "xotcl::is" - we have now is tests for objects in ::xotcl::objectproperty ::xotcl::objectproperty $obj object ::xotcl::objectproperty $obj class ::xotcl::objectproperty $obj baseclass ::xotcl::objectproperty $obj metaclass ::xotcl::objectproperty $obj type XXXX ::xotcl::objectproperty $obj hasmixin XXXX

- "::xotcl::is" is the higher level command,

supporting string contstraints "e.g. upper", user defined type checkers

and as well object properties (every parameter type supported for object

and method paameter). Examples:

::xotcl::is $obj object ?-type $type? ?-hasmixin $mixin?

::xotcl::is $cl class ?-type $type? ?-hasmixin $mixin?

::xotcl::is obj metaclass

::xotcl::is $num integer

::xotcl::is $string upper

- implemented 2nd level reference counting for paramObjType

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- Unified on c-level "info class-mixin-of" and "info object-mixin-of" to "info mixinof ?-scope all|object|class? ?-closure? ?pattern? The former "info class-mixin-of" is now "info mixinof -scope class" - adapted xotcl1 layer for this change - extended experimental ::xotcl::is2 to handle flags -type and -hasmixin ::xotcl::is2 <obj> object ?-type <type>? ?-hasmixin <class>?

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- experimental checking function ::xotcl::is2 implemented, which generalizes between ::xotcl::is and ::xotcl::valuecheck (it is a valuecheck -nocomplain with an ::xotcl::is syntax and switched arguments)

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- ::xotcl::valuecheck: moved "-nocomplain" to first position (similar to e.g. unset)

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- added a "-nocomplain" option to ::xotcl::valuecheck - changed semantic of ::xotcl::valuecheck: per default, valuecheck raises an error or returns true. If "-nocomplain" is used, valuecheck returns 0 or 1 like implemented befor this change - extended regression test

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- Allowed parameter specification for setters. One can define now a setter with constraints like e.g. ::xotcl::setter o a:integer to define a setter named "a" for object "o" which has to be integer. - Extended regression test - Followed nameing conventions for several structures

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- made error messages for failed conversions more consistent (note that tcl does not provide the parameter name in the error message, but user-defined converters do)

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- renamed "::xotcl::is ... mixin ..." to "::xotcl::is ... hasmixin ..." (affects parametertypes as well)

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- move methodParameter checkers for "mixin", "baseclass" and "metaclass" to predefined. - deactivated checkMethods in gentclAPI.decls and in xotcl.c

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- added argument for converter to return the converted tcl_obj, which should be passed on (currently only used for viaCmd); this way, we could remove the kludge of querying the converter after the conversion for special handling.

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- new cmd "::xotcl::valuecheck <valueConstraints> <value>" where "valueConstraints" is whatever is allowed in e.g. parameters (including user defined types) - new Tcl_ObjType "xotclParam"

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- making methodDefinitions NULL terminated - passing optional arg to user-defined argument converter - refuse to redefine type converters for a single parameter - adding regression test for parameters

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- improved naming of resolvers: use InterpDot*Resolver and NsDot*Resolver for interp wide and namespace specific resolvers - added possibility to escape the call of commands starting with a dot from method bodies by prefixing with a second dot.

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- added option "objectsystems" to ::xotcl::configure to obtain the currently defined object systems - added option "baseclass" to ::xotcl::is to check, whether a class is a baseclass of an object system (root class or root meta-class of object system) - changed result of "... info methods -methodtype scripted" to return only truely scripted methods (no aliases) - some more cleanup in regression tests - first version of serializer for xotcl1 + xotcl2

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- added option "-application" to "info callable" to omit methods from base classes - extended regression test - changed naming of methodtype "system" to "builtin" - added "info methods" to migration guide

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- added option "arg=.." to parameter options; this argument can be passed to converter; used currently for "type=relation" to flag, that the relation type is different from the parameter name - extended "objectparameter" to handle such cases - removed relationtypes "mixin", "filter", "instfilter" and "instmixin" since not needed due to converterArg

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- added experimental flag for alias "-noleaf" to force a stack frame to be written (e.g. necessary for "next"). makes only sense for aliases to c-implemented cmds

- fix inconsistent behaviour of dotVarResolver

"o eval {set .x 1}" was setting var ".x" instead of "x"

The problem was due to a interaction between

the namespace varResolver() and the DotVarResolver()

- fix for DotCmdResolver during compilation of a proc by Tcl.

- extended regression text

- found 2 potential bugs (not fixed yet)

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- moved "-per-object" consequently immediately after obj in the following commands : ::xotcl::alias, ::xotcl::methodproperty, ::xotcl::setter to achiev conformance with ::xotcl::forward and ::xotcl::method

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