the PGF service now generates samples of the syntax in the browsing information

This commit is contained in:
krasimir
2010-07-31 15:54:03 +00:00
parent 694192db37
commit 57ec23e630

View File

@@ -17,7 +17,7 @@ import Control.Exception
import Control.Monad
import Data.Char
import Data.Function (on)
import Data.List (sortBy,intersperse)
import Data.List (sortBy,intersperse,mapAccumL)
import qualified Data.Map as Map
import Data.Maybe
import System.Directory
@@ -288,6 +288,7 @@ pipeIt2graphviz code = do
doBrowse pgf id cssClass href =
case PGF.browse pgf id of
Just (def,ps,cs) -> "<PRE>"++annotate def++"</PRE>\n"++
syntax++
(if not (null ps)
then "<BR/>"++
"<H3>Producers</H3>"++
@@ -300,6 +301,30 @@ doBrowse pgf id cssClass href =
else "")
Nothing -> ""
where
syntax =
case PGF.functionType pgf id of
Just ty -> let (hypos,_,_) = PGF.unType ty
e = PGF.mkApp id (snd $ mapAccumL mkArg (1,1) hypos)
rows = ["<TR class=\"my-SyntaxRow\">"++
"<TD class=\"my-SyntaxLang\">"++PGF.showCId lang++"</TD>"++
"<TD class=\"my-SyntaxLin\">"++PGF.linearize pgf lang e++"</TD>"++
"</TR>"
| lang <- PGF.languages pgf]
in "<BR/>"++
"<H3>Syntax</H3>"++
"<TABLE class=\"my-SyntaxTable\">\n"++
"<TR class=\"my-SyntaxRow\">"++
"<TD class=\"my-SyntaxLang\">"++PGF.showCId (PGF.abstractName pgf)++"</TD>"++
"<TD class=\"my-SyntaxLin\">"++PGF.showExpr [] e++"</TD>"++
"</TR>\n"++
unlines rows++"\n</TABLE>"
Nothing -> ""
mkArg (i,j) (_,_,ty) = ((i+1,j+length hypos),e)
where
e = foldr (\(j,(bt,_,_)) -> PGF.mkAbs bt (PGF.mkCId ('X':show j))) (PGF.mkMeta i) (zip [j..] hypos)
(hypos,_,_) = PGF.unType ty
identifiers = PGF.functions pgf ++ PGF.categories pgf
annotate [] = []