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| author | krasimir <krasimir@chalmers.se> | 2009-10-02 13:25:12 +0000 |
|---|---|---|
| committer | krasimir <krasimir@chalmers.se> | 2009-10-02 13:25:12 +0000 |
| commit | 8e799548618318c37760a2e915eb994745574748 (patch) | |
| tree | eedbae4f6309c950e554631d94dc5b95a2a96abd /src/GF/Grammar/Grammar.hs | |
| parent | af831e01a7baf6de9ac3a475368f7315c99797a7 (diff) | |
Implicit arguments in GF. Works only in PGF for now.
Diffstat (limited to 'src/GF/Grammar/Grammar.hs')
| -rw-r--r-- | src/GF/Grammar/Grammar.hs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/GF/Grammar/Grammar.hs b/src/GF/Grammar/Grammar.hs index d7af03f22..e3b4ddbae 100644 --- a/src/GF/Grammar/Grammar.hs +++ b/src/GF/Grammar/Grammar.hs @@ -122,6 +122,7 @@ data Term = | App Term Term -- ^ application: @f a@ | Abs BindType Ident Term -- ^ abstraction: @\x -> b@ | Meta {-# UNPACK #-} !MetaId -- ^ metavariable: @?i@ (only parsable: ? = ?0) + | ImplArg Term -- ^ placeholder for implicit argument @{t}@ | Prod BindType Ident Term Term -- ^ function type: @(x : A) -> B@, @A -> B@, @({x} : A) -> B@ | Typed Term Term -- ^ type-annotated term -- @@ -177,6 +178,8 @@ data Patt = | PVal Patt Type Int -- ^ parameter value number: @T # i# | PAs Ident Patt -- ^ as-pattern: x@p + + | PImplArg Patt -- ^ placeholder for pattern for implicit argument @{p}@ -- regular expression patterns | PNeg Patt -- ^ negated pattern: -p |