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added explicit depth parameter to the parsing API and the corresponding command in the shell

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krasimir
2010-10-18 16:51:25 +00:00
parent 205ac48ac3
commit 775e59dabe
5 changed files with 35 additions and 32 deletions
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11
src/compiler/GF/Command/Commands.hs
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@@ -492,7 +492,8 @@ allCommands env@(pgf, mos) = Map.fromList [
flags = [
("cat","target category of parsing"),
("lang","the languages of parsing (comma-separated, no spaces)"),
("openclass","list of open-class categories for robust parsing")
("openclass","list of open-class categories for robust parsing"),
("depth","maximal depth for proof search if the abstract syntax tree has meta variables")
],
options = [
("bracket","prints the bracketed string from the parser")
@@ -902,8 +903,10 @@ allCommands env@(pgf, mos) = Map.fromList [
]
where
par opts s = case optOpenTypes opts of
[] -> [parse_ pgf lang (optType opts) s | lang <- optLangs opts]
open_typs -> [parseWithRecovery pgf lang (optType opts) open_typs s | lang <- optLangs opts]
[] -> [parse_ pgf lang (optType opts) (Just dp) s | lang <- optLangs opts]
open_typs -> [parseWithRecovery pgf lang (optType opts) open_typs (Just dp) s | lang <- optLangs opts]
where
dp = valIntOpts "depth" 4 opts
void = ([],[])
@@ -993,7 +996,7 @@ allCommands env@(pgf, mos) = Map.fromList [
Just ty -> case checkType pgf ty of
Left tcErr -> error $ render (ppTcError tcErr)
Right ty -> ty
Nothing -> error ("Can't parse '"++str++"' as type")
Nothing -> error ("Can't parse '"++str++"' as a type")
optComm opts = valStrOpts "command" "" opts
optViewFormat opts = valStrOpts "format" "png" opts
optViewGraph opts = valStrOpts "view" "open" opts