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# Modules

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Basic implementation of a module system including tests.
This commit is contained in:
James Eversole
2025-01-27 16:04:04 -06:00
committed by James Eversole
parent 72291c652d
commit 4a4b09e898
28 changed files with 373 additions and 105 deletions
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40
demos/toSource.tri
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@ -1,4 +1,8 @@
main = toSource not?
!module ToSource
!import "lib/base.tri" Lib
main = toSource Lib.not?
-- Thanks to intensionality, we can inspect the structure of a given value
-- even if it's a function. This includes lambdas which are eliminated to
-- Tree Calculus (TC) terms during evaluation.
@ -12,29 +16,29 @@ main = toSource not?
-- triage = (\leaf stem fork : t (t leaf stem) fork)
-- Base case of a single Leaf
sourceLeaf = t (head "t")
sourceLeaf = t (Lib.head "t")
-- Stem case
sourceStem = (\convert : (\a rest :
t (head "(") -- Start with a left parenthesis "(".
(t (head "t") -- Add a "t"
(t (head " ") -- Add a space.
(convert a -- Recursively convert the argument.
(t (head ")") rest)))))) -- Close with ")" and append the rest.
t (Lib.head "(") -- Start with a left parenthesis "(".
(t (Lib.head "t") -- Add a "t"
(t (Lib.head " ") -- Add a space.
(convert a -- Recursively convert the argument.
(t (Lib.head ")") rest)))))) -- Close with ")" and append the rest.
-- Fork case
sourceFork = (\convert : (\a b rest :
t (head "(") -- Start with a left parenthesis "(".
(t (head "t") -- Add a "t"
(t (head " ") -- Add a space.
(convert a -- Recursively convert the first arg.
(t (head " ") -- Add another space.
(convert b -- Recursively convert the second arg.
(t (head ")") rest)))))))) -- Close with ")" and append the rest.
t (Lib.head "(") -- Start with a left parenthesis "(".
(t (Lib.head "t") -- Add a "t"
(t (Lib.head " ") -- Add a space.
(convert a -- Recursively convert the first arg.
(t (Lib.head " ") -- Add another space.
(convert b -- Recursively convert the second arg.
(t (Lib.head ")") rest)))))))) -- Close with ")" and append the rest.
-- Wrapper around triage
toSource_ = y (\self arg :
triage
toSource_ = Lib.y (\self arg :
Lib.triage
sourceLeaf -- `triage` "a" case, Leaf
(sourceStem self) -- `triage` "b" case, Stem
(sourceFork self) -- `triage` "c" case, Fork
@ -43,5 +47,5 @@ toSource_ = y (\self arg :
-- toSource takes a single TC term and returns a String
toSource = \v : toSource_ v ""
exampleOne = toSource true -- OUT: "(t t)"
exampleTwo = toSource not? -- OUT: "(t (t (t t) (t t t)) (t t (t t t)))"
exampleOne = toSource Lib.true -- OUT: "(t t)"
exampleTwo = toSource Lib.not? -- OUT: "(t (t (t t) (t t t)) (t t (t t t)))"