tst/klammerset/kit/kit.k

# Engine-tier fixture: a klammerset with metadata, a dependency, an ordered
# file list (klammers.k uses the target defined in base.k), and a trailing
# definition that must load after the files (program order).
#
# Laid out as <symbol>/<symbol>.k, which is what a symbol names: since
# 2026-08-14 the command line takes symbols only, so a klammerset that
# cannot be named by one cannot be loaded at all.  ":requires util" is a
# SYMBOL, resolved on the search path (this directory is not util's parent,
# so it is found at stage 2, KLAMMERTEXT_KLAMMERSETS); ":files" entries are
# filenames, resolved against this file's directory.
@@@klammerset kit | Engine-test klammerset
  :name Klammerset Integration Test
  :author Klammertext tests
  :date 2026-07-30
  :requires util
  :files base.k / klammers.k
@@@
@@after : AFTER @@
An output policy for the three commands, and @cond as a true special form A snapshot of the development tree. The substantial changes since the last one: COMMAND OUTPUT POLICY. The three commands display text in exactly three cases, and each owns a stream: LOGGING under "-v" greater than 0 and an ERROR before termination go to STDERR; OUTPUT THE USER ASKED FOR goes to STDOUT. For ktext that output is a document, so "ktext doc.kt -d \| ..." is now safe -- logging used to share the stream and land inside the document. A bare command prints its usage and succeeds rather than failing. Colour is emitted only to a terminal, per stream, and NO_COLOR is honoured. "-v 1" reports every decision whose outcome you could not have read off your own input: the klammerset that was loaded and from which file, a font's directory, a ":files" name's file, how "-o" was expanded. Higher levels are the trace. The commands no longer warn and continue: an anomaly is an error, described with its location. Two exceptions remain, each for a stated reason -- a condition that is expected and temporary by design, and a judgment that is a heuristic rather than exact. @cond IS NOW A TRUE SPECIAL FORM, resolved at APPLICATION time rather than when the file is read. Two consequences for a writer: * a state variable reaches the predicate. "@@@state Flag :value true @@@ @cond Flag \| T \| F @" renders "T"; it used to see the literal "Flag" and silently take the false branch. The document now behaves like a klammer body, whose arguments are bound before its conditionals are decided. * nothing in a discarded branch happens -- it is not read, not evaluated, not expanded. An @eval in the branch not taken used to run anyway. Its predicate relation is total and strict: true, True, 1; false, False, 0, and empty; anything else is an error at the @cond rather than silently false. @eval REACHING OUTSIDE. ":shell" and ":haskell" now keep the command's standard error out of the document (it appears under "-v 1") and treat a nonzero exit as an error naming what the command reported. A command that exits nonzero on purpose -- "grep" finding no match -- says so with "\|\| true". KLAMMER SETS. Several combine: "--klammersets a b c" loads all three in the order given, sharing one namespace, with the definition modes deciding collisions. "none" means none and may not be combined with other symbols. A klammerset with symbol X is declared in a file X/X.k, which is what lets two sets require the same third set without loading it twice. TESTS. Four new suites: the kdiag command's interface, the @eval primitive's contract with the outside world, and verbosity at both tiers. Three suites that could not run on macOS at all now do. Assembled from dev commit 6c8ee6c22fca. 2026-08-16 01:37:59 +02:00			`# Engine-tier fixture: a klammerset with metadata, a dependency, an ordered`
			`# file list (klammers.k uses the target defined in base.k), and a trailing`
			`# definition that must load after the files (program order).`
			`#`
			`# Laid out as <symbol>/<symbol>.k, which is what a symbol names: since`
			`# 2026-08-14 the command line takes symbols only, so a klammerset that`
			`# cannot be named by one cannot be loaded at all. ":requires util" is a`
			`# SYMBOL, resolved on the search path (this directory is not util's parent,`
			`# so it is found at stage 2, KLAMMERTEXT_KLAMMERSETS); ":files" entries are`
			`# filenames, resolved against this file's directory.`
			`@@@klammerset kit \| Engine-test klammerset`
			`:name Klammerset Integration Test`
			`:author Klammertext tests`
			`:date 2026-07-30`
			`:requires util`
			`:files base.k / klammers.k`
			`@@@`
			`@@after : AFTER @@`