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60 lines
2.2 KiB
Plaintext
60 lines
2.2 KiB
Plaintext
::
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:::: hoon/cram/gen
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::
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:: test generator for the cram markdown syntax
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::
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:: todo: integrate with ++sail and embed in hoon compiler
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::
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:: ++cram is a simple markdown-inspired parser that makes
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:: common html tropes easy to type. you can think of ++cram
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:: as "rational markdown" or "markdown with syntax errors."
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:: a document format should be easy to type and read, but
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:: that doesn't mean it can't or have rigorous syntax.
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::
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:: tldr: ++cram is indent-oriented. indent 2 spaces for
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:: a dynamic interpolation, 4 spaces for example code, 6
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:: spaces for a blockquote and 8 spaces for verse. separate
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:: every semantic block by a blank line. use - for
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:: unordered lists, + for ordered lists.
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::
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:: markdown link syntax works. * means bold, _ means
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:: italics, "" inserts smart quotes. all enclosed
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:: strings are reparsed; escape the terminator within
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:: the string, eg, *star \* in bold text*.
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::
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:: markdown `literal` syntax is supported, but all hoon
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:: constants are automatically marked as code. also, any
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:: hoon expression prefixed with # is a code literal.
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::
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:: (++cram is a valid hoon parsing rule, but it does a lot
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:: of custom processing internally, since the language is
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:: context-sensitive. we use a context-sensitive parser
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:: to cut the lines into blocks, then reparse flow blocks
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:: with normal hoon rules. multipass parsing is the tax
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:: humans have to pay for simple but human-friendly syntax.)
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::
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::|= inp/cord
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::=< (steam-marl (rash inp apex:(sail &)))
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=< |=(pax/path (test pax))
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|% ::
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++ test :: test text parsing
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|= pax/path
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^- tape
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::
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:: src: text file as (list cord)
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:: txt: source as tape with newlines
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:: vex: parsing result
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::
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=/ src .^(wain %cx pax)
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=. src ['---' src]
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=/ txt (zing (turn src |=(@t (weld (rip 3 +<) `tape`~[`@`10]))))
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=/ vex (cram:vast [1 1] txt)
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::
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:: print result as error or xml text
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?~ q.vex
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"syntax error: line {(scow %ud p.p.vex)}, column {(scow %ud q.p.vex)}"
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?: [freeze=|] (poxo (snag 1 ~(shut ap p.u.q.vex)))
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(poxo ;;(manx q:(slap !>(..zuse) p.u.q.vex)))
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::
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--
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