kdesc gains --coverage, which reports for every klammer the set of targets it can render to, and — the point of it — which klammers' coverage cannot be derived and must therefore be declared. Three rules: coverage is DERIVED where the definitions determine it (a general body of klammer calls covers the intersection of what those klammers cover, by a greatest fixpoint after loading), DECLARED where the engine cannot interpret what decides it (an @eval body, whose targets are undecidable), and UNKNOWN where nothing is written — which never means "deliberately unavailable". Two new spellings in a definition's name. A comma-separated target list, "@@table.html,tex :: ...", gives one body several targets; it is surface syntax, expanded at registration, and each member goes through the redefinition rules on its own. And "@@date.* :: ..." writes the general target out, asserting that the klammer works for EVERY target including ones not yet defined — a stronger claim than a list of the targets defined today, and the one target declaration that could be mechanically falsified. The Standard Klammer Set was swept accordingly: it now has no general definitions at all, every klammer names the targets it serves, six use ".*", and tex and pdf are at zero undecided. kdesc's flags are reorganised on two rules: a flag reached for often gets a single letter (-k klammers, -t targets, -c characters, -i input), a more specialised topic a multi-letter name (--argtypes, --katoms, --rewrite, --optionsets, --coverage, --klammerset, --font); and -v says how much to show about PROCESSING, never what the RESULT contains — so the katom regex column is "--katoms full" and the coverage detail "--coverage all". NOTE: "-k" now lists klammers (optionally filtered by a name/description search); the katom table moved to "--katoms". Fixes carried along: an option written with no value crashed the command with SIGSEGV instead of reporting the mistake; two required positional arguments never parsed; kdesc and kdiag printed an error and exited 0; and definition diagnostics counted registrations rather than what was written, so one line could be reported as two definitions and then printed twice. Four new test suites: target_list, coverage, command_option, kdesc. (from dev 46f54080bd9a)
63 lines
1.7 KiB
Plaintext
63 lines
1.7 KiB
Plaintext
#[
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@@@state image_search_path.list :create Series of directories for image search
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:value . imgsrc ../imgsrc ../dbg
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@@@
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]#
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@@@state Image_search_path :desc Series of directories for image search
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:value . imgsrc ../imgsrc ../dbg
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@@@
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@@@state Image_output_dir :desc Output directory for images :value img @@@
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@@@state Image_default_width :desc Default width for images :value .667w @@@
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#
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# @@@argtype pixels | a pixel count :pattern \d+px @@@
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# @@image.k basename : Image read from a file @@
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# @@image.html basename | width | height : @eval import image ; result = image.image(K) eval@ @@
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# An image once had its own position type, for the sake of the "none" value
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# (no positioning container). That value is meaningful for any block
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# element, so the shared hpos type carries it and an image is placed by the
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# hpos_args option set like every other block element.
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@@image.k
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basename
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:id
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:width.length .5w
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@caption_args@
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:vmargin.bool true
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@hpos_args@
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:rel
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:abswidth.number 0.0
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:border.bool false
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:
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An image read from a file. The basename names the file, which is looked
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for in the image search path and converted to a format the target can use.
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^:width is the image's width in the text column, ^:hpos and ^:offset place
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it there, and the caption arguments caption it.
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@@
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@@image.html,tex :: @eval image.Image(K) eval@ @@
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@@image_grid.k
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image_specs.rest(2)
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:cell_number.bool false
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:landscape.bool false
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:scale.number 0.98
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@caption_args@
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@hpos_args@
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:thumbnail.bool false
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:allow_break.bool true
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:id
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:rel
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:hsep.number 0.02
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: A grid of images
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@@
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@@image_grid.html,tex :: @eval image_grid.Image_grid(K) eval@ @@
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@@fig.k spec.figure_id : The caption title for a figure @@
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@@fig.html,tex :: @reference *spec* | Figure @ @@
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