kmx.io/prism.js/examples/prism-factor.html

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• Hash : 1f7a245c
  Author :
  Date : 2020-03-07T11:53:31
  

  Added tests for examples (#2216) This adds a new test to validate the structure and syntax of all examples and moves the existing example test into the mocha test suite.

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• examples/prism-factor.html

• <h2>Comments</h2>
  <pre><code>! FIXME: a comment
  
  USE: multiline
  
  ![[ comment ]]
  /* comment */</code></pre>
  
  <h2>Strings</h2>
  <pre><code>"a string" "\"" "\x8" "%s"
  
  SBUF" asbdef"
  
  USE: multiline
  
  STRING: name
  content
  ;
  
  HEREDOC: marker
  text
  marker
  
  [==[
  	str
  	ing
  ]==]
  </code></pre>
  
  <h2>Numbers</h2>
  <pre><code>5 1/5 +9 -9 +1/5 -1/5 -1/5. 23+1/5 -23-1/5 23-1/5 ! NOTE: last one = word
  
  +12.13 0.01 0e0 3E4 3e-4 3E-4 030 0xd 0o30 0b1100
  -12.13 -0 -0.01 -0e0 -3E4 -3E-4 -030 -0xd -0o30 -0b1100
  
  348756424956392657834385437598743583648756332457
  -348756424956392657834385437598743583648756332457
  
  NAN: a
  NAN: 80000deadbeef
  
  0b1.010p2 0x1.0p3 0x1.p1 0b1.111111p1111 ...</code></pre>
  
  <h2>Sequences</h2>
  <pre><code>{ 1 2 3 4 }
  { a b c d e t f }
  { "a" "b" "c" }
  
  { { a b } { c d } }
  H{ { a b } { c d } }
  H{ { "a" "b" } { "c" "d" } }
  V{ 1 2 3 4 }
  V{ "1" "2" "3" "4" }
  BV{ 1 2 3 4 }</code></pre>
  
  <h2>Regular Expressions</h2>
  <pre><code>USE: regexp
  R/ abcde?.*+\?\.\*\+\/\\\/idmsr-idmsr/idmsr-idmsr</code></pre>
  
  <h2>Colon parsing words</h2>
  <pre><code>: a ( -- ) ;
  :: ; ! ; is not a word name
  :: ;a ! ;a is a word name
  USING: a b c ;
  USE: a
  IN: a.b
  CHAR: a
  GENERIC#: x 1 ( x: integer quot: ( x -- y ) -- )</code></pre>
  
  <h2>Special words (builtins, conventions)</h2>
  <pre><code>and not with map filter
  
  new last-index + - neg
  
  &lt;array&gt; &lt;=> SYNTAX: x $[ xyz ]
  
  set-x change-x with-variable ?of if* (gensym) hex. $description reader>> >>setter writer&lt;&lt;
  
  string>number >hex base> mutater!
  </code></pre>
  
  <h2>Full example</h2>
  <pre><code>USING: accessors arrays assocs combinators
  combinators.short-circuit effects io kernel sequences
  sequences.deep splitting strings vocabs words ;
  IN: prism
  
  : make-prism-syntax ( syntax-vocab -- seq )
   	vocab-words [
  		dup name>> ">>" = [ drop t ] [
  			{
  				[ "delimiter" word-prop ]
  				[ name>> last { CHAR: : CHAR: { CHAR: [ CHAR: ( CHAR: ) CHAR: ? CHAR: " } member? ]
  				[ name>> { "t" "f" } member? ]
  			} 1|| not
  		] if
  	] filter ;
  
  : combinator? ( word -- ? )
  	[ "declared-effect" word-prop in>> flatten
  		[
  			[ effect? ] [ { "quots" "quot" } member? ] bi or
  		] any?
  	] [
  		"help" word-prop ?first flatten [ dup word? [ name>> ] when "quot" swap subseq? ] any?
  	] bi or ;
  
  : classify ( vocab-spec -- seq )
  	vocab-words [
  		dup {
  			{ [ dup combinator? ] [ drop "combinator" ] }
  			{ [ dup "macro" word-prop ] [ drop "macro" ] }
  			[ drop "ordinary" ]
  		} cond 2array
  	] map ;
  
  : print-strings ( strs -- )
  	[ name>> "'" dup surround ] map ", " join print ; recursive ! WARN: not recursive
  
  : combinators. ( vocab-spec -- )
  	classify [ nip "combinator" = ] assoc-filter keys print-strings ; flushable
  
  : ordinaries. ( vocab-spec -- )
  	classify [ nip "ordinary" = ] assoc-filter keys print-strings ; foldable
  
  : macros. ( vocab-spec -- )
  	classify [ nip "macro" = ] assoc-filter keys print-strings ; inline</code></pre>
  

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