Comments (3)
rfindler
commented on September 28, 2024
The best way I have found to handle placement of individual rules in a
judgment form is to make them each into independent picts and then put them
manually into a larger pict with the precise layout to fit the page well.
That said, I could add more parameters to control some of the spaces you're
seeing below (later on).
Robby
…On Thu, Jun 29, 2023 at 8:00 AM o6po5fcs ***@***.***> wrote:
I have quite a large judgment form to be rendered for a paper, and I would
like to somewhat compact it by reducing the space between the different
rules. A standalone excerpt of the judgment form can be found below. To
demonstrate, I set all of the "spacing" parameters that I could find to 0,
even when they do not affect the rendering of judgment forms.
As a sidenote, I have noticed that, in some cases, the parameter
horizontal-bar-spacing reduces only the space *above* a horizontal bar,
and not below. In the screenshot below the code I highlighted one such
instance with a red arrow.
#lang racket
(require redex
redex/pict)
(define-language CommonLang
(k ::= number i)
(p ::= (k ...))
(p-exp ::= k * [script-op (~ k ...)] [script-op k] [⋃ k ...]))
(define-judgment-form
CommonLang
#:mode (matches-in-env I I I)
#:contract (matches-in-env ps p env)
[--------------------------------- "empty-selector"
(matches-in-env () () env)]
[(matches-in-env (p-exp ...) (k_2 ...) env)
--------------------------------- "literal-key"
(matches-in-env (k_1 p-exp ...) (k_1 k_2 ...) env)]
[(matches-in-env (k_1 p-exp ...) (k_2 ...) env)
--------------------------------- "union-first"
(matches-in-env ([⋃ k_1 k_3 ...] p-exp ...) (k_2 ...) env)])
(define (render-matches-in-env . filepath)
(arrow-space 0)
(label-space 0)
(reduction-relation-rule-separation 0)
(reduction-relation-rule-extra-separation 0)
(reduction-relation-rule-line-separation 0)
(horizontal-bar-spacing 0)
(metafunction-gap-space 0)
(metafunction-rule-gap-space 0)
(metafunction-line-gap-space 0)
(if (empty? filepath)
(render-judgment-form matches-in-env)
(render-judgment-form matches-in-env (car filepath))))
The space that I wish to somewhat reduce highlighted with a red bar, and
an instance of horizontal-bar-spacing not respecting being set to 0 is
highlighted with a red arrow.
[image: annotated-space]
<https://user-images.githubusercontent.com/115168139/249812038-6dfdd514-f612-4e99-a96d-cc70e4d78a8b.jpg>
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o6po5fcs
commented on September 28, 2024
Alright, thank you for the quick response! I had hoped to (as much as possible) make the figures easy to reproduce in code, but in this specific instance it is probably much faster to edit the pdf in Adobe Illustrator to reposition the rules.
For my part the issue can be closed, but I will keep it open for now in case the horizontal-bar-spacing thing is something someone wants to address.
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rfindler
commented on September 28, 2024
The disadvantage to using adobe is that you'll have to redo that work when the rules change and it can be easy to forget to do. If you're using scribble to write the document itself, you can just drop picts in anywhere (eg in a figure) and then building the paper will always just use the latest version of the redex code. Here's how you can eliminate the blank space between the clauses, for example.
#lang racket
(require redex pict)
(define-language L
(e ::= (e e) (λ (x) e) x)
(x ::= variable-not-otherwise-mentioned))
(define-judgment-form L
#:mode (fv I O)
#:contract (fv e (x ...))
[(fv e_1 (x_1 ...)) (fv e_2 (x_2 ...))
------------------------------- "app"
(fv (e_1 e_2) (x_1 ... x_2 ...))]
[------------------------------- "var"
(fv x (x))]
[(fv e (x_2 ...))
------------------------------- "lam"
(fv (λ (x_1) e) (rm (x_2 ...) x_1))])
(define-metafunction L
rm : (x ...) x -> (x ...)
[(rm () x) ()]
[(rm (x_1 x_2 ...) x_1) (rm (x_2 ...) x_1)]
[(rm (x_1 x_2 ...) x_3)
(x_1 x_4 ...)
(where (x_4 ...) (rm (x_2 ...) x_3))])
(define (render-fv-case name)
(parameterize ([judgment-form-cases
(list name)])
(render-judgment-form fv)))
(render-judgment-form fv)
(vc-append
(render-fv-case "app")
(render-fv-case "var")
(render-fv-case "lam"))
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