reverendpaco

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reverendpaco

let dqlParser2 = peg("top_level", stack: ParseStack):
  top_level <- goal * end_marker
  S <- *Space
  end_marker <- "."
  goal <- S * predicate * S * *( separator  * S * goal) * *(unary_op)
  unary_op <- S * "|>" * S * "UN" * S
  separator <- ","
  predicate <- named_predicate | selection_stuff | group
  selection_stuff <- "SEL"
  group <- "GROUP"

reverendpaco

@@grammar::dql

###############  top markers used by the parser for different contexts

start_query
    =
    @:top_goal end_marker $
    ;

start_consult

reverendpaco

WITH RECURSIVE
  xaxis(x) AS (VALUES(-2.0) UNION ALL SELECT x+0.05 FROM xaxis WHERE x<1.2),
  yaxis(y) AS (VALUES(-1.0) UNION ALL SELECT y+0.1 FROM yaxis WHERE y<1.0),
  m(iter, cx, cy, x, y) AS (
    SELECT 0, x, y, 0.0, 0.0 FROM xaxis, yaxis
    UNION ALL
    SELECT iter+1, cx, cy, x*x-y*y + cx, 2.0*x*y + cy FROM m 
     WHERE (x*x + y*y) < 4.0 AND iter<28
  ),
  m2(iter, cx, cy) AS (

reverendpaco

male(terah). 
male(abraham).
male(nahor). 
male(haran).
male(isaac). 
male(ismael).
male(jacob).

female(sarah). 
female(hagar). 

reverendpaco

curl -L http://tinyurl.com/DanielVim

reverendpaco

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• I am reverendpaco on github.
• I am reverend_paco (https://keybase.io/reverend_paco) on keybase.
• I have a public key ASB5p5DKzM53ePcNbBUtjDq-xieXECxljY75e_Dy_z6OTQo

To claim this, I am signing this object:

reverendpaco

import math

def vpcnum(n):
  Y,X = math.modf( (n-1)/float(16) )
  x = "10.{0}.{1}.0".format(int(X),int(Y*256))
  return x

def client(n):
  clientNum = (n*2 + 16)
  return (vpcnum(clientNum-1),vpcnum(clientNum))

reverendpaco

queryNode source node = bool
    where (bool,_) = queryNodeWithPath source node []

queryNodeWithPath :: (Ord a) => [a] -> TrieNode a -> [[a]] -> (Bool,[[a]])
queryNodeWithPath source@(s:_)  node@TrieNode{ nodeType = Top, children=ch} acc
          | Map.member s ch = queryNodeWithPath source (ch ! s) acc
          | otherwise       = (False,acc)
queryNodeWithPath source node@TrieNode{ wordFragment = target, nodeType=nT, children=ch } acc = case matchData of
                          ExactMatchDatum {shared=source} 
                                          | nT == Word -> (True, (target:acc))

reverendpaco

-- this will be the complicated case
insertNode contextNode@TrieNode{children=childNodes,nodeType=oldNodeType} 
           SharedPrefixDatum { shared = sharedPrefix , 
                               suffixS = sourceSuffix@(s:ss),
                               suffixT = targetSuffix@(t:ts)}
               = newForkNode {children = ourTwoNewNodes }
    where newForkNode = nonWordNode sharedPrefix
          ourTwoNewNodes = Map.fromList [(s,newSourceSuffixNode),(t,newTargetSuffixNode) ]
          newSourceSuffixNode = wordNode sourceSuffix
          newTargetSuffixNode = contextNode{ wordFragment = targetSuffix}