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framework:Slides3D load.
class ProgramVsSystem : ASCSlide {
var code.
var system.
var problem.
var tools.
var shapeGroup.
-<void>setupSlideWithPresentationViewController:controller {
self textManager setTitle:'Static Program Text vs. Dynamic Execution'.
self textManager addBullet:'FORTRAN' atLevel:0.
shapeGroup := SCNNode node.
self setShapeGroup:shapeGroup.
self rootNode addChildNode:shapeGroup.
boxer := ASCBoxMaker new.
boxer setP: ( -8 @ 0.2 ).
boxer setColor: (NSColor colorWithDeviceRed:105 / 255.0 green:145.0 / 255.0 blue:14.0 / 255.0 alpha:1 ).
boxer setPosition: 0@0 .
boxer setHeight:120.
boxer setYHeight:1.5.
boxer setPadding:10.
code := boxer box:'Code' width:160.
self setCode:code.
boxer setPadding:20.
system := boxer box:'System' width:160 color:(NSColor blueColor).
self setSystem:system.
problem := boxer box:'Problem' width:160 color:(NSColor redColor).
self setProblem: problem.
shapeGroup do addChildNode: #( code, system, problem ) each.
}
-<int>numberOfSteps { 8. }
-<void>presentStepIndex:<int>index withPresentionViewController:controller {
index = 0 ifTrue:{
SCNTransaction setAnimationDuration:1.5.
}.
index = 1 ifTrue:{
SCNTransaction begin.
self textManager addBullet:'Non-Computation' atLevel:0.
self problem setXYPosition: -3.0 @ 0.20 .
SCNTransaction commit.
}.
index = 2 ifTrue:{
SCNTransaction begin.
self textManager addBullet:'OOP' atLevel:0.
self system setXYPosition: -3.0 @ 0.20 .
SCNTransaction commit.
}.
index = 3 ifTrue:{
SCNTransaction begin.
self textManager addBullet:'Ruby' atLevel:0.
self code setXYPosition: -14.0 @ 0.20 .
SCNTransaction commit.
}.
index = 4 ifTrue:{
SCNTransaction begin.
self code setXYPosition: -8.0 @ 0.20 .
SCNTransaction commit.
}.
index = 5 ifTrue:{
SCNTransaction begin.
self textManager addBullet:'FP' atLevel:0.
self system setXYPosition: -8.0 @ 0.20 .
SCNTransaction commit.
}.
index = 6 ifTrue:{
SCNTransaction begin.
self system setXYPosition: -3.0 @ 0.20 .
SCNTransaction commit.
}.
index = 7 ifTrue:{
SCNTransaction begin.
self textManager addBullet:'Objective-Smalltalk' atLevel:0.
self code setXYPosition: -3.0 @ 0.20 .
SCNTransaction commit.
}.
}
}
class ImageSlide : ASCSlide {
var text.
var image.
var imageURL.
var imageScale.
var xOffset.
-<void>setupSlideWithPresentationViewController:controller {
self textManager setTitle:self text.
shapeGroup := SCNNode node.
self rootNode addChildNode:shapeGroup.
image := NSImage alloc initWithContentsOfFile:self imageURL.
size := image size.
size := size * self imageScale .
boxer := ASCBoxMaker new.
boxer setP: ( (self xOffset - 8 ) @ 0.2 ).
boxer setColor: (NSColor grayColor).
boxer setPosition: 0@0 .
boxer setHeight: size y.
boxer setYHeight:1.5.
boxer setPadding:10.
imageBox := boxer box:'' width: size x.
imageBox geometry materials firstObject diffuse setContents: image.
shapeGroup addChildNode: imageBox.
}
}
controller := #ASCPresentationViewController{
#Name : 'ESUG Demo'.
#Slides : #(
#ASCChapterSlide {
#text : 'Objective-SmallTalk'.
#subtitle : 'Marcel Weiher (@mpweiher)'
} ,
#ASCBulletSlide{
#title : 'Objective-SmallTalk'.
#bullets : #(
'Embeddable SmallTalk language (Mac, iOS, Linux, Windows)',
'Objective-C framework (peer/interop)',
'Generalizes Objects+Messages to Components+Connectors',
'Enable composition by solving Architectural Mismatch',
)
} ,
#ASCChapterSlide {
#text : 'Architectural Mismatch'.
#subtitle : 'Objective-SmallTalk'
} ,
#ASCBulletSlide{
#title : 'Architectural Mismatch'.
#bullets : #(
'Packaging mismatch',
'Interactive programs vs. programming languages',
'Programs vs. Systems, Computers do not compute',
)
} ,
#ASCBulletSlide{
#title : 'Packaging Mismatch'.
#bullets : #(
'Garlan et al (''95)',
'Functionality available but not accessible',
'Who has the thread of control?',
'→ Minimize assumptions',
'→ (see also: Hexagonal, Ports/Adaptors, Naked Objects)',
)
} ,
#ASCBulletSlide{
#title : 'Interactive Programs'.
#bullets : #(
'"Programs = Algorithms + Data Structurs + Architecture"',
'y = f(x) v. interactive programs',
'Transformational v. reactive',
'Temperature Converter Example (Modularity ''16)',
)
} ,
#ASCBulletSlide{
#title : 'The Gentle Tyranny of Call/Return'.
#bullets : #(
'Feymnan: we name everything just a little wrong',
'Multiparadigm: Procedural, OO and FP!',
"Guy Steele: it's no longer about completion",
"Oscar Nierstrasz: we were told we could just model the domain",
"Andrew Black: good OO students antropmorphise the objects",
)
} ,
#ProgramVsSystem {
#lightIntensities : #( 0.2 , 0.7 )
} ,
#ASCBulletSlide{
#title : 'Solution Ideas'.
#bullets : #(
'Alan Kay: figure out the metasystem',
'Unicon: connectors ←→ programming language metaystem',
'ST: decouple class hiearchy from implementation hierarchy',
'→ metasystem: conceptual class hierarchy of connectors',
)
} ,
#ASCChapterSlide{
#subtitle : 'Objective-SmallTalk'.
#text : 'Approach'
} ,
#ASCBulletSlide{
#title : 'Objective-SmallTalk: Approach'.
#bullets : #(
'Implement different architectural styles',
'Add language support',
'Inform the metasystem',
)
} ,
#ASCBulletSlide{
#title : 'Architectural Styles'.
#bullets : #(
'Objects and Messages',
'Pipes and Filters',
'Implicit Invocation',
'(In-process) REST',
)
} ,
#ASCSlideWithFigure{
#delayInSeconds : 5.0.
#title : 'Objects and Messages'.
#bullets : #(
'Objective-C compatible semantics',
'Interpreted and native-compiled',
'"C" using type annotations',
'Higher Order Messaging',
'Framework-oriented development',
'Full platform integration',
)
} ,
#ASCBulletSlide{
#title : 'Pipes and Filters'.
#bullets : #(
'Polymorphic Write Streams (DLS ''19)',
'#writeObject:anObject',
'Triple Dispatch + Message chaining',
'Asynchrony-agnostic',
'Streaming / de-materialized objects',
'Serialisation, PDF/PS (Squeak), Wunderlist, MS , To Do',
'Outlook: filters generalise methods?',
)
} ,
#ASCBulletSlide{
#title : 'Implicit Invocation'.
#bullets : #(
'Notification Protocols',
'Class adopts a Protocol to register for notifications',
)
} ,
#ASCBulletSlide{
#title : 'In-Process REST'.
#bullets : #(
'What real large-scale networks use',
'Polymorphic Identifiers',
'Stores',
'Storage Combinators',
'Used in a number of applications',
)
} ,
#ASCBulletSlide{
#title : 'Polymorphic Identifiers'.
#bullets : #(
'All identifiers are URIs',
"var:hello := 'World!",
'file:{env:HOME}/Downloads/site := http://objective.st',
'slider setValueHolder: ref:var:celsius',
)
} ,
#ASCBulletSlide{
#title : 'Stores'.
#bullets : #(
'PIs are evaluated via stores',
'Like in-process REST servers',
'Or composable dictionaries',
'var:hello <-> (schemes at:''var'') at:''hello''',
)
} ,
#ASCBulletSlide{
#title : 'Example Stores'.
#bullets : #(
'Local variables, environment variables',
'Filesystems, HTTP',
'Databases: SQL/SQLite',
'Other applications (via Apple Events)',
'etc.',
)
} ,
#ASCBulletSlide{
#title : 'Storage Combinators'.
#bullets : #(
'Onward! ''19',
'Combinator exposes + consumes REST interfaces',
'Uniform interface (REST) enables pluggability',
'Narrow, semantically tight interface enables intermediaries',
'10x productivity/code improvments',
)
} ,
#ImageSlide{
#text : 'Simple Composed Store'.
#imageURL : '/Users/marcel/Documents/Writing/Dissertation/Papers/StorageCombinators/disk-cache-json-aligned.png'.
#xOffset : 2.0 .
#imageScale : 0.8
} ,
#ImageSlide{
#text : 'Async Writer'.
#imageURL : '/Users/marcel/Documents/Writing/Dissertation/Papers/StorageCombinators/async-writer.png'.
#xOffset : 2.0 .
#imageScale : 0.6
} ,
#ImageSlide{
#text : 'To Do Store Hierarchy'.
#imageURL : '/Users/marcel/Documents/Writing/Dissertation/Papers/StorageCombinators/store-hierarchy-intermediate.png'.
#xOffset : 2.0 .
#imageScale : 0.34
} ,
#ASCChapterSlide{
#subtitle : 'Objective-SmallTalk'.
#text : 'Language Support'
} ,
#ASCBulletSlide{
#title : 'Language support'.
#bullets : #(
'Class, method, protocol syntax',
'Polymorphic Identifiers',
'Composition "operator" → ',
'Permanent Assignment |= ',
'Stores and Filters as class templates',
'Property Paths',
)
} ,
#ASCChapterSlide{
#subtitle : 'Objective-SmallTalk'.
#text : 'Demo'
} ,
#ASCChapterSlide{
#subtitle : 'Objective-SmallTalk'.
#text : 'Metasystem'
} ,
#ASCBulletSlide{
#title : 'Metasystem'.
#bullets : #(
'Apply/Eval → Connect/Run',
'Class is subclass of Component',
'Message, Interface etc. subclasses of Connector',
'Components have ports, connectors roles',
)
} ,
#ASCChapterSlide{
#subtitle : 'Objective-SmallTalk'.
#text : 'Outlook'
} ,
#ASCBulletSlide{
#title : 'Outlook'.
#bullets : #(
'Port Stores and Polymorphic Write Streams',
'Documentation / Sample Code',
'Improve native compiler',
'Tooling (Debugger)',
'You! (http://objective.st)',
)
} ,
#ASCChapterSlide {
#text : 'Q&A http://objective.st'.
#subtitle : 'Marcel Weiher (@mpweiher)'
} ,
)
}
controller view openInWindow:'Objective-SmallTalk (ESUG 2019)'.
file:/tmp/lastpage.tiff := (controller view snapshot)
controller view frame
controller
controller goToSlideAtIndex:0
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