# Methods for defining methods: -# -# alias -# forward -# method -# -# All these methods return method-handles.
-One can define in NX hierachical method names (similar to +One can define in NX hierarchical method names (similar to commands and subcommands, called method ensembles) in a convenient way to provide extensible, hierarchical naming of methods. @@ -1003,7 +1003,7 @@
Much Smaller Interface: The Next Scripting Language has a much smaller interface (i.e. provides less predefined methods) than - XOTcl (see Table 1), although the expressability was increased in + XOTcl (see Table 1), although the expressiveness was increased in NX.
Class create Stack { - # - # Stack of Things - # + # + # Stack of Things + # :variable things "" :public method push {thing} { - set :things [linsert ${:things} 0 $thing] - return $thing + set :things [linsert ${:things} 0 $thing] + return $thing } :public method pop {} { - set top [lindex ${:things} 0] - set :things [lrange ${:things} 1 end] - return $top + set top [lindex ${:things} 0] + set :things [lrange ${:things} 1 end] + return $top } }
# -# Stack of Things -# +# +# Stack of Things +# Class Stack @@ -1144,14 +1144,14 @@ Stack instproc push {thing} { my instvar things - set things [linsert $things 0 $thing] - return $thing + set things [linsert $things 0 $thing] + return $thing } Stack instproc pop {} { my instvar things - set top [lindex $things 0] - set things [lrange $things 1 end] + set top [lindex $things 0] + set things [lrange $things 1 end] }
In general, the Next Scripting Framework supports multiple object systems concurrently. Effectively, every object system has different base classes for creating objects and classes. Therefore, these object -systems can have different different interfaces and names of built-in +systems can have different interfaces and names of built-in methods. Currently, the Next Scripting Framework is packaged with three object systems:
# Define instance method 'foo' and object -# method 'bar' for a Class 'C' with separate -# toplevel commands +# Define instance method 'foo' and object +# method 'bar' for a Class 'C' with separate +# toplevel commands Class C C instproc foo args {...} @@ -1386,8 +1386,8 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# Define instance method and object method -# in the init-block of a class +# Define instance method and object method +# in the init-block of a class Class create C { :method foo args {...} @@ -1404,8 +1404,8 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# Define instance method and object method -# with separate commands +# Define instance method and object method +# with separate commands Class create C C method foo args {...} @@ -1423,8 +1423,8 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# Define object-specific method foo -# for an object 'o' with separate commands +# Define object-specific method foo +# for an object 'o' with separate commands Object o o set x 1 @@ -1440,9 +1440,9 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# Define object method and set -# instance variable in the init-block of -# an object +# Define object method and set +# instance variable in the init-block of +# an object Object create o { set :x 1 @@ -1459,9 +1459,9 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# Define object method and set -# instance variable with separate -# commands +# Define object method and set +# instance variable with separate +# commands Object create o o eval {set :x 1} @@ -1502,16 +1502,16 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# Methods for defining methods: -# -# proc -# instproc -# forward -# instforward -# parametercmd -# instparametercmd -# -# All these methods return empty.
# Methods for defining methods: +# +# proc +# instproc +# forward +# instforward +# parametercmd +# instparametercmd +# +# All these methods return empty.
# Methods for defining methods: -# -# alias -# forward -# method -# -# All these methods return method-handles.
# Methods for defining methods: +# +# alias +# forward +# method +# +# All these methods return method-handles.@@ -1541,7 +1541,7 @@ parameters are defined (see Section 3.4).
In NX forwarders are called forward. NX does not provide an public
available method to define variable accessors like parametercmd in
-XOTcl, but use interanlly the Next Scripting Framework primitive
+XOTcl, but use internally the Next Scripting Framework primitive
nsf::method::setter when appropriate.
- # Define method aliases -# (to scripted or non-scripted methods) +# Define method aliases +# (to scripted or non-scripted methods) Class create C { :alias a1 ... @@ -1740,14 +1740,14 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# Method modifiers -# -# "object", -# "public", -# "protected", and -# "private" -# -# are not available |
+
- # Method modifiers -# -# "object", -# "public", -# "protected" -# -# are applicable for all kinds of -# method defining methods: -# -# method, forward, alias -# -# The modifier "private" is available for -# -# method, forward, alias -# +# Method modifiers +# +# "object", +# "public", +# "protected" +# +# are applicable for all kinds of +# method defining methods: +# +# method, forward, alias +# +# The modifier "private" is available for +# +# method, forward, alias +# Class create C { :/method-definiton-method/ ... :public /method-definiton-method/ ... @@ -1824,8 +1824,8 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# XOTcl provides no means for -# method hiding |
+
- # Hiding of methods via "private" -# +# Hiding of methods via "private" +# nx::Class create Base { - :private method baz {a b} {expr {$a + $b}} - :public method foo {a b} {: -local baz $a $b} + :private method baz {a b} {expr {$a + $b}} + :public method foo {a b} {: -local baz $a $b} } nx::Class create Sub -superclass Base { - :public method bar {a b} {: -local baz $a $b} - :private method baz {a b} {expr {$a * $b}} + :public method bar {a b} {: -local baz $a $b} + :private method baz {a b} {expr {$a * $b}} :create s1 } -s1 foo 3 4 ;# returns 7 -s1 bar 3 4 ;# returns 12 -s1 baz 3 4 ;# unable to dispatch method 'baz' |
+s1 foo 3 4 ;# returns 7
+s1 bar 3 4 ;# returns 12
+s1 baz 3 4 ;# unable to dispatch method 'baz'
# XOTcl provides only method deletion with -# the equivalent of Tcl's "proc foo {} {}" +# XOTcl provides only method deletion with +# the equivalent of Tcl's "proc foo {} {}" /cls/ instproc foo {} {} /obj/ proc foo {} {}
# Deletion of Methods -# +# Deletion of Methods +# /cls/ delete method /name/ /obj/ delete object method /name/
Class C C instproc foo args {...} C instproc bar args { - my foo 1 2 3 ;# invoke own method - o baz ;# invoke other object's method + my foo 1 2 3 ;# invoke own method + o baz ;# invoke other object's method } Object o o proc baz {} {...}@@ -1979,8 +1979,8 @@
Class create C { :method foo args {...} :method bar args { - :foo 1 2 3 ;# invoke own method - o baz ;# invoke other object's method + :foo 1 2 3 ;# invoke own method + o baz ;# invoke other object's method } } Object create o { @@ -2054,12 +2054,12 @@Class C C instproc foo args { - # Method scoped variable a + # Method scoped variable a set a 1 - # Instance variable b + # Instance variable b my instvar b set b 2 - # Global variable/namespaced variable c + # Global variable/namespaced variable c set ::c 3 }@@ -2110,8 +2110,8 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} - @@ -2075,11 +2075,11 @@Class create C { :method foo args {...} - # Method scoped variable a + # Method scoped variable a set a 1 - # Instance variable b + # Instance variable b set :b 2 - # Global variable/namespaced variable c + # Global variable/namespaced variable c set ::c 3 } }# Set own instance variable to a value via -# resolver (preferred and fastest way) +# Set own instance variable to a value via +# resolver (preferred and fastest way) ... method ... { set :/newVar/ ?value? @@ -2144,8 +2144,8 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# Set own instance variable via -# variable import +# Set own instance variable via +# variable import ... method ... { ::nx::var import [self] /varName/ @@ -2178,7 +2178,7 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# Read own instance variable +# Read own instance variable ... method ... { set /varName/ [set :/otherVar/] @@ -2195,7 +2195,7 @@ .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;}... method ... { - set /newVar/ ${:/otherVar/} + set /newVar/ ${:/otherVar/} }@@ -2224,7 +2224,7 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} - @@ -2318,8 +2318,8 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# Test existence of own instance variable +# Test existence of own instance variable ... method ... { info :/varName/ @@ -2288,9 +2288,9 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# Set instance variable of object obj to a -# value via resolver -# (preferred way: define property on obj) +# Set instance variable of object obj to a +# value via resolver +# (preferred way: define property on obj) /obj/ eval [list set :/varName/ ?value?]# Read instance variable of object obj -# via resolver +# Read instance variable of object obj +# via resolver set /varName/ [/obj/ eval {set :/otherVar/}]@@ -2350,8 +2350,8 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# Read instance variable of object /obj/ -# via import +# Read instance variable of object /obj/ +# via import ... method ... { ::nx::var import /obj/ /varName/ @@ -2382,8 +2382,8 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -@@ -2552,7 +2552,7 @@ assign statements in the constructor requires explicit constructor calls, which are often error-prone. Certainly, when a user prefers to assign initial values to instance variables via explicit assign -operations in constructors, this is as ell possible in NX. +operations in constructors, this is as well possible in NX.# Test existence of instance variable of -# object obj +# Test existence of instance variable of +# object obj /obj/ eval {info exists :/varName/}@@ -2494,10 +2494,10 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -+# Object f1 has instance variables +# x == 1 and y == 2# Define class "Foo" with instance -# variables "x" and "y" initialized -# on instance creation. The initialization -# has to be performed in the constructor. +# Define class "Foo" with instance +# variables "x" and "y" initialized +# on instance creation. The initialization +# has to be performed in the constructor. Class Foo Foo instproc init args { @@ -2506,11 +2506,11 @@ set y 2 } -# Create instance of the class Foo +# Create instance of the class Foo Foo f1 -# Object f1 has instance variables -# x == 1 and y == 2+# Object f1 has instance variables +# x == 1 and y == 2 -# Define class "Foo" with instance variables -# "x" and "y" initialized on instance creation. -# The method "variable" is similar in syntax -# to Tcl's "variable" command. During -# instance creation, the variable -# definitions are used for the -# initialization of the variables of the object. +# Define class "Foo" with instance variables +# "x" and "y" initialized on instance creation. +# The method "variable" is similar in syntax +# to Tcl's "variable" command. During +# instance creation, the variable +# definitions are used for the +# initialization of the variables of the object. Class create Foo { :variable x 1 :variable y 2 } -# Create instance of the class Foo +# Create instance of the class Foo Foo create f1 -# Object f1 has instance variables -# x == 1 and y == 2NX uses the same mechanism to define class variables or object variables.
@@ -2581,8 +2581,8 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -+# No syntactic support for creating -# class variables# No syntactic support for creating +# class variablesIn the next step, we define configurable instance variables which we call properties in NX.
@@ -2662,25 +2662,25 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -XOTcl uses the method
parameteris a shortcut for creating multiple -configurable variables with automically created accessors (methods for -reading and writing of the variables). In NX, the prefered way to +configurable variables with automatically created accessors (methods for +reading and writing of the variables). In NX, the preferred way to create configurable variables is to use the methodproperty. The methodpropertyin NX is similar tovariable, but makes the variables configurable, which means that# Parameters specified as a list -# (short form); parameter -# "a" has no default, "b" has default "1" +# Parameters specified as a list +# (short form); parameter +# "a" has no default, "b" has default "1" Class Foo -parameter {a {b 1}} -# Create instance of the class Foo +# Create instance of the class Foo Foo f1 -a 0 -# Object f1 has instance variables -# a == 0 and b == 1 +# Object f1 has instance variables +# a == 0 and b == 1 -# XOTcl registers automatically accessors -# for the parameters. Use the accessor -# "b" to output the value of variable "b" +# XOTcl registers automatically accessors +# for the parameters. Use the accessor +# "b" to output the value of variable "b" puts [f1 b] -# Use the setter to alter value of -# instance variable "b" +# Use the setter to alter value of +# instance variable "b" f1 b 100@@ -2751,23 +2751,23 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} - -# Define property "a" and "b". The -# property "a" has no default, "b" has -# default value "1" +# Define property "a" and "b". The +# property "a" has no default, "b" has +# default value "1" Class create Foo { :property a :property {b 1} } -# Create instance of the class Foo +# Create instance of the class Foo Foo create f1 -a 0 -# Object f1 has instance variables -# a == 0 and b == 1 +# Object f1 has instance variables +# a == 0 and b == 1 -# Use the method "cget" to query the value -# of a configuration parameter +# Use the method "cget" to query the value +# of a configuration parameter puts [f1 cget -b] -# Use the method "configure" to alter the -# value of instance variable "b" +# Use the method "configure" to alter the +# value of instance variable "b" f1 configure -b 100# "parameter" creates always accessor -# methods, accessor methods are -# always public, no "cget" is available. +# "parameter" creates always accessor +# methods, accessor methods are +# always public, no "cget" is available. Class create Foo -parameter {a {b1}} -# Use the accessor method to query -# the value of a configuration parameter +# Use the accessor method to query +# the value of a configuration parameter puts [f1 b] -# Use the accessor method to set the -# value of instance variable "a" +# Use the accessor method to set the +# value of instance variable "a" f1 a 100 -# Use the accessor method to unset the -# value of instance variable "a" n.a. via -# accessor+# Use the accessor method to unset the +# value of instance variable "a" n.a. via +# accessor@@ -2831,9 +2831,9 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} - -# Define property "a" and "b". The -# property "a" has no default, "b" has -# default value "1" +# Define property "a" and "b". The +# property "a" has no default, "b" has +# default value "1" Class create Foo { :variable -accessor public a :property -accessor public {b 1} } -# Use the accessor method to query -# the value of a configuration parameter +# Use the accessor method to query +# the value of a configuration parameter puts [f1 b get] -# Use the accessor method to set the -# value of instance variable "a" +# Use the accessor method to set the +# value of instance variable "a" f1 a set 100 -# Use the accessor method to unset the -# value of instance variable "a" +# Use the accessor method to unset the +# value of instance variable "a" f1 a unset# XOTcl provides no means to define -# configurable variables at the object -# level+# XOTcl provides no means to define +# configurable variables at the object +# level+ -# Define class with a property for the class object -# named "cp". This is similar to "static variables" -# in some other object-oriented programming -# languages. +# Define class with a property for the class object +# named "cp". This is similar to "static variables" +# in some other object-oriented programming +# languages. Class create Foo { ... :object property cp 101 } -# Define object property "op" +# Define object property "op" Object create o { :object property op 102 @@ -2897,8 +2897,8 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# No value constraints for -# parameter available# No value constraints for +# parameter available+ -# Predefined value constraints: -# object, class, alnum, alpha, ascii, boolean, -# control, digit, double, false, graph, integer, -# lower, parameter, print, punct, space, true, -# upper, wordchar, xdigit -# -# User defined value constraints are possible. -# All parameter value checkers can be turned on -# and off at runtime. -# -# Define a required boolean property "a" -# and an integer property "b" with a default. -# The first definition uses "properties", -# the second definition uses multiple -# "property" statements. +# Predefined value constraints: +# object, class, alnum, alpha, ascii, boolean, +# control, digit, double, false, graph, integer, +# lower, parameter, print, punct, space, true, +# upper, wordchar, xdigit +# +# User defined value constraints are possible. +# All parameter value checkers can be turned on +# and off at runtime. +# +# Define a required boolean property "a" +# and an integer property "b" with a default. +# The first definition uses "properties", +# the second definition uses multiple +# "property" statements. Class create Foo -properties { a:boolean @@ -2953,7 +2953,7 @@ to be passed to the constructor of the object.NX allows to define optional and required configure parameters (as well as method parameters). Therefore, configure parameters can be used -as the single mechanism to parameterize objects. It is in NX not +as the single mechanism to parametrize objects. It is in NX not necessary (and per default not possible) to pass arguments to the constructor.
@@ -2982,7 +2982,7 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# Required parameter not available# Required parameter not available+ -# Required parameter: -# Define a required property "a" and a -# required boolean property "b" +# Required parameter: +# Define a required property "a" and a +# required boolean property "b" Class create Foo -properties { a:required @@ -3053,8 +3053,8 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# Multiplicity for parameter -# not available# Multiplicity for parameter +# not available+# Object f1 has a == 0 and b == 1 -# Parameter with multiplicity -# ints is a list of integers, with default -# objs is a non-empty list of objects -# obj is a single object, maybe empty +# Parameter with multiplicity +# ints is a list of integers, with default +# objs is a non-empty list of objects +# obj is a single object, maybe empty Class create Foo -properties { {ints:integer,0..n ""} @@ -3148,19 +3148,19 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# Define parameters via slots +# Define parameters via slots Class Foo -slots { Attribute a Attribute b -default 1 } -# Create instance of the class Foo -# and provide a value for instance -# variable "a" +# Create instance of the class Foo +# and provide a value for instance +# variable "a" Foo f1 -a 0 -# Object f1 has a == 0 and b == 1+# Object f1 has a == 0 and b == 1 -# Configurable parameters specified via the -# method "property" (supports method -# modifiers and scripted configuration; -# see below) +# Configurable parameters specified via the +# method "property" (supports method +# modifiers and scripted configuration; +# see below) Class create Foo { :property a :property {b 1} } -# Create instance of the class Foo and -# provide a value for instance variable "a" +# Create instance of the class Foo and +# provide a value for instance variable "a" Foo create f1 -a 0 -# Object f1 has a == 0 and b == 1+Since the slots are objects, the slot objects can be configured and -parameterized like every other object in NX. Slot objects can be +parametrized like every other object in NX. Slot objects can be provided with a scripted initialization as well. We show first the definition of properties simliar to the functionality provided as well by XOTcl and show afterwards how to use value constraints, optional @@ -3223,13 +3223,13 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -
# Define parameter with an an -# attribute-specific type checker +# Define parameter with an an +# attribute-specific type checker Class Person -slots { Attribute create sex -type "sex" { my proc type=sex {name value} { - switch -glob $value { + switch -glob $value { m* {return m} f* {return f} default { @@ -3250,16 +3250,16 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# Configure parameter with scripted -# definition (init-block), defining a -# property specific type checker +# Configure parameter with scripted +# definition (init-block), defining a +# property specific type checker Class create Person { :property -accessor public sex:sex,convert { - # define a converter to standardize representation + # define a converter to standardize representation :object method type=sex {name value} { - switch -glob $value { + switch -glob $value { m* {return m} f* {return f} default {error "expected sex but got $value"} @@ -3305,8 +3305,8 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# No syntactic support for deleting -# variable handlers# No syntactic support for deleting +# variable handlers@@ -3429,12 +3429,12 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} - @@ -3518,8 +3518,8 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# Only leading non-positional -# parameters are available; no -# optional positional parameters, -# no value constraints on -# positional parameters, -# no multiplicity, ...+# Only leading non-positional +# parameters are available; no +# optional positional parameters, +# no value constraints on +# positional parameters, +# no multiplicity, ...objec" for object specific methods.object" for object specific methods.Therefore, in NX, if a
mixinis registered on a class-level, it is applicable for the instances (a per-class mixin), and if andobject mixinis registered, it is a per-object mixin. In both cases, the @@ -3609,7 +3609,7 @@/cls/ instmixin ... /cls/ instmixinguard /mixin/ ?condition? -# Query per-class mixin +# Query per-class mixin /cls/ instmixin@@ -3651,7 +3651,7 @@ @@ -3710,12 +3710,12 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -/obj/ mixin ... /obj/ mixinguard /mixin/ ?condition? -# Query per-object mixins +# Query per-object mixins /obj/ mixin@@ -3767,18 +3767,18 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} - @@ -3795,7 +3795,7 @@# Register(clear per-object filter and guard for -# an object +# Register(clear per-object filter and guard for +# an object /obj/ object filters add|set|clear ... /obj/ object filters guard /filter/ ?condition? /obj/ configure -object-filters ... -# Query per-object filters +# Query per-object filters /cls/ object filters get /obj/ cget -object-filters -# Query per-object filters (without guards) +# Query per-object filters (without guards) /cls/ object filters methods+In NX, one can use e.g. always
info methodwith a subcommand and the framework tries to hide the differences as far as possible. So, one can for example obtain withinfo method parameterthe parameters of -scripted and C-implemented methods the same way, one one can get the +scripted and C-implemented methods the same way, one can get the definition of all methods viainfo method definitionand one can get an manual-like interface description viainfo method syntax. In addition, NX provides means to query the type of @@ -3985,7 +3985,7 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# n.a.# n.a.+ -# n.a.# n.a.+# Returns list of method names /obj/ info lookup methods ... ?pattern? -# Returns list of method names+ @@ -4254,7 +4254,7 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# n.a.# n.a.+# Returns list of method names -# List only application specific methods +# List only application specific methods /obj/ info lookup methods -source application ... ?pattern? -# Returns list of method names+ @@ -4282,10 +4282,10 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# Options for 'info methods' -# -# -incontext -# -nomixins# Options for 'info methods' +# +# -incontext +# -nomixins+ -# Options for 'info lookup methods' -# -# -source ... -# -callprotection ... -# -incontext -# -type ... -# -nomixins# Options for 'info lookup methods' +# +# -source ... +# -callprotection ... +# -incontext +# -type ... +# -nomixins+ @@ -4317,7 +4317,7 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# n.a.# n.a.+# Returns list of slot objects -# List slot objects defined for obj -# -source might be all|application|baseclasses -# -type is the class of the slot object +# List slot objects defined for obj +# -source might be all|application|baseclasses +# -type is the class of the slot object /obj/ info lookup slots ?-type ...? ?-source ...? ?pattern? -# Returns list of slot objects@@ -4422,7 +4422,7 @@ .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} # List registered filters +# List registered filters /obj/ info filters -order ?-guards? ?pattern? -# List registered mixins +# List registered mixins /obj/ info mixins -heritage ?-guards? ?pattern?# List registered filters +# List registered filters /obj/ info lookup filters ?-guards? ?pattern? -# List registered mixins +# List registered mixins /obj/ info lookup mixins ?-guards? ?pattern?/obj/ info lookup method /methodName/ -# Returns method-handle+# Returns method-handle@@ -4495,7 +4495,7 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} - +# Returns method-handle @@ -4449,7 +4449,7 @@ .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;}/obj/ info lookup filter /methodName/ -# Returns method-handle# n.a.+# n.a.+ -# not needed, part of -# "info ?object? method parameter"# not needed, part of +# "info ?object? method parameter"@@ -5235,7 +5235,7 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} - + @@ -4711,7 +4711,7 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# n.a.# n.a.+ -# n.a.# n.a.+ -# "info variables" returns handles of -# properties and variables defined by this -# class or object +# "info variables" returns handles of +# properties and variables defined by this +# class or object /cls/ info variables ?pattern? /obj/ info object variables ?pattern? -# "info lookup variables" returns handles -# of variables and properties applicable -# for the current object (might contain -# object specific information) +# "info lookup variables" returns handles +# of variables and properties applicable +# for the current object (might contain +# object specific information) /obj/ info lookup variables /pattern/ -# "info variable" lists details about a -# single property or variable. +# "info variable" lists details about a +# single property or variable. /obj/ info variable definition /handle/ /obj/ info variable name /handle/ @@ -4905,7 +4905,7 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# n.a.# n.a.+ -# Return list of slots objects defined on the -# object or class -# -# -source might be all|application|baseclasses -# -type is the class of the slot object -# -closure includes slots of superclasses +# Return list of slots objects defined on the +# object or class +# +# -source might be all|application|baseclasses +# -type is the class of the slot object +# -closure includes slots of superclasses /cls/ info slots \ ?-type value? ?-closure? ?-source value? ?pattern? /obj/ info object slots ?-type ...? ?pattern? -# List reachable slot objects defined for obj -# -source might be all|application|baseclasses -# -type is the class of the slot object -# Returns list of slot objects. +# List reachable slot objects defined for obj +# -source might be all|application|baseclasses +# -type is the class of the slot object +# Returns list of slot objects. /obj/ info lookup slots \ ?-type ...? ?-source ... ?pattern? -# Obtain definition, name or parameter from -# slot object +# Obtain definition, name or parameter from +# slot object /slotobj/ definition /slotobj/ name @@ -5115,7 +5115,7 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# n.a.# n.a.+ -# n.a.# n.a.# n.a.+# n.a.@@ -5326,7 +5326,7 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} - -# List objects, where /cls/ is a -# per-object mixin +# List objects, where /cls/ is a +# per-object mixin /cls/ info mixinof -scope object ?-closure? \ ?pattern?# List classes, where /cls/ is a per-class mixin +# List classes, where /cls/ is a per-class mixin /cls/ info mixinof -scope class ?-closure? \ ?pattern?@@ -5343,7 +5343,7 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# n.a.+# n.a.# Check if object is a subtype of some class +# Check if object is a subtype of some class /obj/ info has type /sometype/@@ -5446,7 +5446,7 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} - # Check if object has the specified mixin registered +# Check if object has the specified mixin registered /obj/ info has mixin /cls/@@ -5473,11 +5473,11 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} - # Check if object is an NX class +# Check if object is an NX class /obj/ has type ::nx::Class -# Check if object is a class in one of the -# NSF object systems +# Check if object is a class in one of the +# NSF object systems ::nsf::is class /obj/@@ -5504,11 +5504,11 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} - # Check if class is an NX metaclass +# Check if class is an NX metaclass expr {[/cls/ info heritage ::nx::Class] ne ""} -# Check if object is a metaclass in one of the -# NSF object systems +# Check if object is a metaclass in one of the +# NSF object systems ::nsf::is metaclass /obj/@@ -5523,7 +5523,7 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} - # n.a.+# n.a.# Check if object is a baseclass of an object system +# Check if object is a baseclass of an object system ::nsf::is baseclass /obj/@@ -5550,7 +5550,7 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} - # n.a.+# n.a.# Return name of object (without namespace prefix) +# Return name of object (without namespace prefix) /obj/ info name@@ -5589,7 +5589,7 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} - @@ -5912,8 +5912,8 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# Check for existence of object (nsf primitive) +# Check for existence of object (nsf primitive) ::nsf::object::exists /obj/# Returns method-handle of the -# method to be called via "next" +# Returns method-handle of the +# method to be called via "next" current next@@ -5940,8 +5940,8 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} - # Returns method-handle of the -# filter method +# Returns method-handle of the +# filter method current filterreg@@ -6055,7 +6055,7 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} - # n.a.+# n.a.# XOTcl example +# XOTcl example Class Foo -parameter {x y} Foo f1 -x -y 1# XOTcl example +# XOTcl example Class Foo -parameter {{x 1}} Class Bar -superclass Foo -parameter x @@ -6398,12 +6398,12 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# NX example +# NX example nx::Class create Foo Foo create f1 -# now alter the class of object f1 +# now alter the class of object f1 nsf::relation::set f1 class ::nx::Object@@ -6432,7 +6432,7 @@@@ -6466,7 +6466,7 @@3.4. Obsolete Commands
Parameter-classes were rarely used and have been replaced by the more -general object parameterization. Therefore,
cl info parameterclasshas +general object parametrization. Therefore,cl info parameterclasshas been removed.@@ -6456,7 +6456,7 @@ .nx-placeholder {color: #AF663F; font-weight: normal; font-style: italic;} .nx-variable {color: #AF663F; font-weight: normal; font-style: normal;} -# NX example +# NX example ::nsf::exithandler set|get|unset ?arg?