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lab14: format stuff

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Yura
2026-04-14 23:49:17 -07:00
parent 9374144565
commit c021b2e24e
2 changed files with 671 additions and 1603 deletions
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2256
lab14/typed-semantics.pdf
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lab14/typed-semantics.typ
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@@ -26,6 +26,8 @@ First, write the evaluation order rules (using small-step semantics) for the exp
Next, define the typing rules for these expressions. Be sure that your typing rules guarantee both progress and preservation. (For ways of formally guaranteeing these properties, see Chapter 8 of Ben Pierce's "Types and Programming Languages"). Next, define the typing rules for these expressions. Be sure that your typing rules guarantee both progress and preservation. (For ways of formally guaranteeing these properties, see Chapter 8 of Ben Pierce's "Types and Programming Languages").
*/ */
#set page(columns: 2)
// Language keywords rendered in monospace // Language keywords rendered in monospace
#let kw(body) = text(font: "DejaVu Sans Mono", size: 0.85em, body) #let kw(body) = text(font: "DejaVu Sans Mono", size: 0.85em, body)
@@ -56,23 +58,20 @@ Next, define the typing rules for these expressions. Be sure that your typing ru
// Rule: fraction with name on the left // Rule: fraction with name on the left
// premises (content), conclusion (content) // premises (content), conclusion (content)
#let rule(name, premises, conclusion) = { #let rule(name, premises, conclusion) = {
grid( stack(
columns: (auto, auto), dir: ttb,
column-gutter: 1em, spacing: 0.4em,
align: (right + horizon, left + horizon),
rel(name), rel(name),
box(stroke: 0.5pt, inset: 4pt, math.equation( box(stroke: 0.5pt, inset: 4pt, math.equation(
block: true, block: true,
numbering: none, numbering: none,
// if premises != "" {
math.frac(premises, conclusion), math.frac(premises, conclusion),
// } else { conclusion },
)), )),
) )
v(0.4em) v(0.8em)
} }
== Operational Semantics Rules = Evaluation Rules
#v(0.6em) #v(0.6em)
@@ -102,7 +101,8 @@ Next, define the typing rules for these expressions. Be sure that your typing ru
#rule("E-StrLen-Zero", "", $#sstep[#strlen[`""`]][0]$) #rule("E-StrLen-Zero", "", $#sstep[#strlen[`""`]][0]$)
#rule("E-StrLen-NonZero", [c is a single char, $s = c + s'$], $#sstep[#strlen[$s$]][#suc[#strlen[$s'$]]]$) #rule("E-StrLen-NonZero", [c is a single char, $s = c + s'$], $#sstep[#strlen[$s$]][#suc[#strlen[$s'$]]]$)
== Typing Rules #pagebreak()
= Typing Rules
#v(0.6em) #v(0.6em)