From b410cc75cdc02d6636ade502abc6e5aaaf68aaf5 Mon Sep 17 00:00:00 2001 From: hallgren Date: Fri, 23 Nov 2012 18:44:08 +0000 Subject: [PATCH] Fix a prededence bug in GF grammar pretty printer The pretty printer produced mkDet pre {"a"; "an" / vowel} Sg which is not accepted by the parser. The parser assigns pre { ... }, to prededence level 4, and this is now reflected in the pretty printer, so it prints mkDet (pre {"a"; "an" / vowel}) Sg (This caused a problem in GFSE since it parsers pretty printed grammars...) --- src/compiler/GF/Grammar/Printer.hs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/compiler/GF/Grammar/Printer.hs b/src/compiler/GF/Grammar/Printer.hs index f7257751e..a6c10a33d 100644 --- a/src/compiler/GF/Grammar/Printer.hs +++ b/src/compiler/GF/Grammar/Printer.hs @@ -206,7 +206,7 @@ ppTerm q d (ExtR x y) = prec d 3 (ppTerm q 3 x <+> text "**" <+> ppTerm q 4 y) ppTerm q d (App x y) = prec d 4 (ppTerm q 4 x <+> ppTerm q 5 y) ppTerm q d (V e es) = text "table" <+> ppTerm q 6 e <+> brackets (fsep (punctuate semi (map (ppTerm q 0) es))) ppTerm q d (FV es) = text "variants" <+> braces (fsep (punctuate semi (map (ppTerm q 0) es))) -ppTerm q d (Alts e xs) = text "pre" <+> braces (ppTerm q 0 e <> semi <+> fsep (punctuate semi (map (ppAltern q) xs))) +ppTerm q d (Alts e xs) = prec d 4 (text "pre" <+> braces (ppTerm q 0 e <> semi <+> fsep (punctuate semi (map (ppAltern q) xs)))) ppTerm q d (Strs es) = text "strs" <+> braces (fsep (punctuate semi (map (ppTerm q 0) es))) ppTerm q d (EPatt p) = prec d 4 (char '#' <+> ppPatt q 2 p) ppTerm q d (EPattType t)=prec d 4 (text "pattern" <+> ppTerm q 0 t)