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nx-traits.tcl

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Tuesday 07 May 2013
10:56 pm

Gustaf Neumann <neumann@wu-wien.ac.at>

- parametersyntax: make placeholders explicit

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  2. … 4 more files in changeset.
Tuesday 23 Apr 2013
2:16 pm

Gustaf Neumann <neumann@wu-wien.ac.at>

Object-method Reform: - changed interface to object specific commands by requiring an ensemble named "object". The rational behind is essentially to use always the same info command to retrieve object specific methods, no matter whether these are defined on a plain object or an a class object (does not break the "contract" what e.g. "info method" returns).

Now we define methods via:

/cls/ method foo {args} {...body...}

/cls/ object method foo {args} {...body...}

/obj/ object method foo {args} {...body...}

Similarly, aliases, forwards and mixins are defined, e.g.

/cls/ mixin add ...

/cls/ object mixin add ...

/obj/ object mixin add ...

/obj/ require object method ...

The same change propagated as well to the "info" method.

Now we have:

/cls/ info methods ...

/cls/ info object methods ...

/obj/ info object methods ...

Similar, the object parametererization uses

/cls/ create obj -object-mixin M

/cls/ create obj -object-filter f

/metacls/ create cls -mixin M1 -object-mixin M2

/metacls/ create cls -filter f1 -object-filter f2

- as a consequence,

a) "/cls/ class method ...",

"/cls/ class alias ...",

"/cls/ class forward ...",

"/cls/ class filter ...",

"/cls/ class mixin ...",

"/cls/ class info ..."

"/obj/ class method require method ..."

"/obj/ class method require public method ..."

"/obj/ class method require protected method ..."

"/obj/ class method require private method ..."

were dropped

b) "/obj/ method ....",

"/obj/ alias ....",

"/obj/ forward ...."

"/obj/ filter ...."

"/obj/ mixin ...."

"/obj/ info method*"

"/cls/ create obj -mixin M"

"/cls/ create obj -filter f"

"/obj/ method require method ..."

"/obj/ method require public method ..."

"/obj/ method require protected method ..."

"/obj/ method require private method ..."

were dropped

- added package nx::class to allow optionally the "class" notation

"/cls/ class method ..." (and friends, see (a)), and

"/cls/ class info ...

- added package nx::plain-object-method to allow optionally plain method

b) "/obj/ method ...." (and friends, see (b))

- add support to slots to use ensemble methods as setters

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  2. … 43 more files in changeset.
Saturday 29 Sep 2012
9:32 pm

Gustaf Neumann <neumann@wu-wien.ac.at>

- changed name "/obj|cls/ slot info definition" to "/obj|cls/ slot info definition" since result is a set - dropped parameter method "properties" - dropped "/obj/ info properties" (since "properties" or "variables" are returned")

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  2. … 8 more files in changeset.
Wednesday 19 Sep 2012
10:57 am

Gustaf Neumann <neumann@wu-wien.ac.at>

Property reform part 1:

- disallow protection modifiers for "properties" and

add new flag "-accessor" to "property" and "variable"

This changes definitions like

Class create C {

:property {a a1}

:public property {b b1}

:protected property {c c1}

:private property {d d1}

}

to

Class create C {

:property {a a1}

:property -accessor public {b b1}

:property -accessor protected {c c1}

:property -accessor private {d d1}

}

since "properties" are always public accessible

over the "configure" and "cget" interface, but the

accessors methods might not be public. The value of

the accessor might be also "none" (specifying explicitely

that no accessor is wanted) or "", which means: use the default.

Same holds for "variable"

- disallow parameter option "incremental" and change it to a flag

of the property or variable. The motivation for this is due to

the fact, that "incremental" is a property of the accessor, and

not of the value.

old:

Class create C {

:property foo:int,incremental

:variable bar:int,incremental

}

new:

Class create C {

:property -incremental foo:int

:variable -incremental bar:int

}

- disallow "public class property" and friends since these are not needed

- removed parameter property "noaccessor"

- removed "nx::configure defaultPropertyCallProtection" and

method hook "__default_property_call_protection"

- introduced "nx::configure defaultAccessor" and

method hook "__default_accessor"

- for the time being, "defaultAccessor" is "public" for NX and XOTcl,

will be changed to "none" in NX

- extended regression test (new file properties.test)

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Monday 10 Sep 2012
11:46 am

Gustaf Neumann <neumann@wu-wien.ac.at>

- finalize transition from old code

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Monday 16 Jul 2012
3:50 pm

Gustaf Neumann <neumann@wu-wien.ac.at>

- allow instance property inheritance for traits

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Tuesday 18 Oct 2011
11:11 pm

Gustaf Neumann <neumann@wu-wien.ac.at>

- rename "info method handle /methodName/" into "info method registrationhandle /methodName/" - rename "info method origin /methodName/" into "info method definitionhandle /methodName/" - added "info method origin" to return the target of an alias (or empty)

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  2. … 19 more files in changeset.
Saturday 01 Oct 2011
8:55 pm

Gustaf Neumann <neumann@wu-wien.ac.at>

- provide means for "autoloading" traits

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Friday 30 Sep 2011
12:42 pm

Gustaf Neumann <neumann@wu-wien.ac.at>

- added per-object traits (and per-class-object traits)

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Thursday 29 Sep 2011
9:30 pm

Gustaf Neumann <neumann@wu-wien.ac.at>

- traits: renamed "useTrait" into "require trait"

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  2. … 9 more files in changeset.
1:23 pm

Gustaf Neumann <neumann@wu-wien.ac.at>

- nx-traits: * use "info methods -closure" instead of instantiating a class at trait-insertion time * added trait as package nx::callback

- example scripts: added tk-mini and tk-horse-race

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Monday 26 Sep 2011
11:57 am

Gustaf Neumann <neumann@wu-wien.ac.at>

- add traits package and example scripts

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  2. … 5 more files in changeset.