WeScheme and the Amazing Technicolor Structures, Part 2 Danny Yoo - - PowerPoint PPT Presentation

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WeScheme and the Amazing Technicolor Structures, Part 2 Danny Yoo - - PowerPoint PPT Presentation

Jun 10, 2023 140 likes •452 views

WeScheme and the Amazing Technicolor Structures, Part 2 Danny Yoo (dyoo@hashcollision.org) Sunday, October 28, 12 Colored errors in WeScheme Sunday, October 28, 12 Purpose statement Sunday, October 28, 12 Purpose statement Students

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SLIDE 1

WeScheme and the Amazing Technicolor Structures, Part 2

Danny Yoo (dyoo@hashcollision.org)

Sunday, October 28, 12

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SLIDE 2

Colored errors in WeScheme

Sunday, October 28, 12

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SLIDE 3

Purpose statement

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SLIDE 4

Purpose statement

  • Students don’t understand error message

vocabulary [Marceau et al, 2011]

Sunday, October 28, 12

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SLIDE 5

Purpose statement

  • Students don’t understand error message

vocabulary [Marceau et al, 2011]

  • We can teach vocabulary through pointing

Sunday, October 28, 12

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SLIDE 6

Purpose statement

  • Students don’t understand error message

vocabulary [Marceau et al, 2011]

  • We can teach vocabulary through pointing
  • Change error messages from flat strings to

structures, to use colors for nouns with corresponding highlight on original source

Sunday, October 28, 12

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SLIDE 7

Examples

Sunday, October 28, 12

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SLIDE 8

Examples

Sunday, October 28, 12

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SLIDE 9

Examples

Sunday, October 28, 12

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SLIDE 10

Examples

Use color to point between the error message text and the source

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SLIDE 11

Data type definition

An ErrorMessage is a list of:

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SLIDE 12

Data type definition

An ErrorMessage is a list of:

★String

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SLIDE 13

Data type definition

An ErrorMessage is a list of:

★String ★ColoredPart(String text, List<Position> places)

Sunday, October 28, 12

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SLIDE 14

Data type definition

An ErrorMessage is a list of:

★String ★ColoredPart(String text, List<Position> places) ★GradientPart(List<ColoredPart> parts)

Sunday, October 28, 12

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SLIDE 15

Data type definition

An ErrorMessage is a list of:

★String ★ColoredPart(String text, List<Position> places) ★GradientPart(List<ColoredPart> parts)

So all we need to do is change the WeScheme compiler and runtime accordingly

Sunday, October 28, 12

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SLIDE 16

Coding

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SLIDE 17

Compile-time error messages:

Coding

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SLIDE 18

Compile-time error messages:

Coding

(error ‘compiler “...”)

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SLIDE 19

Compile-time error messages:

Coding

(error ‘compiler (list ... (make-ColoredPart ...)))

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SLIDE 20

Compile-time error messages:

Coding

Function Application:

(error ‘compiler (list ... (make-ColoredPart ...)))

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SLIDE 21

Compile-time error messages:

Coding

(f x y z)

Function Application:

(error ‘compiler (list ... (make-ColoredPart ...)))

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SLIDE 22

Compile-time error messages:

Coding

(with-continuation-marks ([app-locations ...]) (f x y z))

Function Application:

(error ‘compiler (list ... (make-ColoredPart ...)))

Sunday, October 28, 12

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SLIDE 23

Demo

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SLIDE 24

TODO/FIXME

  • Iterate the design
  • Handle higher-order functions
  • Most importantly: measure the effect of

these interfaces on real people!

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SLIDE 25

Code

  • http://github.com/dyoo/WeScheme
  • https://github.com/bootstrapworld/

wescheme-compiler2012

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SLIDE 26

Some lessons

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SLIDE 27

Some lessons

  • Structures, structures, structures

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SLIDE 28

Some lessons

  • Structures, structures, structures
  • Don’t ever underestimate undergrads

trained in HTDP

Sunday, October 28, 12

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SLIDE 29

Some lessons

  • Structures, structures, structures
  • Don’t ever underestimate undergrads

trained in HTDP

  • ... but also respect the power of the

Olympics to distract those undergrads

Sunday, October 28, 12

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SLIDE 30

Thanks to

  • Daniel Kocoj
  • Katherine Ng
  • Michael Rowland
  • Jonah Stanley
  • Andrew Tian
  • Winnie Wang
  • Miles Eldon
  • Special thanks to:
  • Emmanuel Schanzer
  • Kathi Fisler
  • Shriram Krisnamurthi

Sunday, October 28, 12