Add quasi-quotation, courtesy of Geoffrey Mainland

[ghc-hetmet.git] / compiler / parser / Parser.y.pp

diff --git a/compiler/parser/Parser.y.pp b/compiler/parser/Parser.y.pp
index 1783ce3..57832c3 100644 (file)
--- a/compiler/parser/Parser.y.pp
+++ b/compiler/parser/Parser.y.pp
@@ -337,6 +337,7 @@ TH_ID_SPLICE    { L _ (ITidEscape _)  }     -- $x
 '$('           { L _ ITparenEscape   }     -- $( exp )
 TH_VAR_QUOTE   { L _ ITvarQuote      }     -- 'x
 TH_TY_QUOTE    { L _ ITtyQuote       }      -- ''T
+TH_QUASIQUOTE  { L _ (ITquasiQuote _) }
 
 %monad { P } { >>= } { return }
 %lexer { lexer } { L _ ITeof }
@@ -1368,6 +1369,11 @@ aexp2    :: { LHsExpr RdrName }
                                                        (getTH_ID_SPLICE $1)))) } -- $x
        | '$(' exp ')'          { LL $ HsSpliceE (mkHsSplice $2) }               -- $( exp )
 
+       | TH_QUASIQUOTE         { let { loc = getLoc $1
+                                      ; ITquasiQuote (quoter, quote, quoteSpan) = unLoc $1
+                                      ; quoterId = mkUnqual varName quoter
+                                      }
+                                  in sL loc $ HsQuasiQuoteE (mkHsQuasiQuote quoterId quoteSpan quote) }
        | TH_VAR_QUOTE qvar     { LL $ HsBracket (VarBr (unLoc $2)) }
        | TH_VAR_QUOTE qcon     { LL $ HsBracket (VarBr (unLoc $2)) }
        | TH_TY_QUOTE tyvar     { LL $ HsBracket (VarBr (unLoc $2)) }